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authorBen Murdoch <benm@google.com>2009-08-11 17:01:47 +0100
committerBen Murdoch <benm@google.com>2009-08-11 18:21:02 +0100
commit0bf48ef3be53ddaa52bbead65dfd75bf90e7a2b5 (patch)
tree2943df35f62d885c89d01063cc528dd73b480fea /WebCore/platform/graphics/wince
parent7e7a70bfa49a1122b2597a1e6367d89eb4035eca (diff)
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Merge in WebKit r47029.
Diffstat (limited to 'WebCore/platform/graphics/wince')
-rw-r--r--WebCore/platform/graphics/wince/FontCacheWince.cpp352
-rw-r--r--WebCore/platform/graphics/wince/FontCustomPlatformData.cpp79
-rw-r--r--WebCore/platform/graphics/wince/FontCustomPlatformData.h55
-rw-r--r--WebCore/platform/graphics/wince/FontPlatformData.cpp532
-rw-r--r--WebCore/platform/graphics/wince/FontPlatformData.h90
-rw-r--r--WebCore/platform/graphics/wince/FontWince.cpp333
-rw-r--r--WebCore/platform/graphics/wince/GlyphPageTreeNodeWince.cpp79
-rw-r--r--WebCore/platform/graphics/wince/GraphicsContextWince.cpp1930
-rw-r--r--WebCore/platform/graphics/wince/SimpleFontDataWince.cpp161
9 files changed, 3611 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/wince/FontCacheWince.cpp b/WebCore/platform/graphics/wince/FontCacheWince.cpp
new file mode 100644
index 0000000..f67f1b4
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontCacheWince.cpp
@@ -0,0 +1,352 @@
+/*
+* Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved.
+* Copyright (C) 2007-2009 Torch Mobile, Inc.
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+* its contributors may be used to endorse or promote products derived
+* from this software without specific prior written permission.
+*
+* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#include "config.h"
+#include "FontCache.h"
+
+#include "Font.h"
+#include "FontData.h"
+#include "SimpleFontData.h"
+#include "UnicodeRange.h"
+#include "wtf/OwnPtr.h"
+
+#include <windows.h>
+#include <mlang.h>
+
+namespace WebCore {
+
+extern HDC g_screenDC;
+
+static IMultiLanguage *multiLanguage = 0;
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+static IMLangFontLink2* langFontLink = 0;
+#else
+static IMLangFontLink* langFontLink = 0;
+#endif
+
+IMultiLanguage* getMultiLanguageInterface()
+{
+ if (!multiLanguage)
+ CoCreateInstance(CLSID_CMultiLanguage, 0, CLSCTX_INPROC_SERVER, IID_IMultiLanguage, (void**)&multiLanguage);
+
+ return multiLanguage;
+}
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+IMLangFontLink2* FontCache::getFontLinkInterface()
+#else
+IMLangFontLink* FontCache::getFontLinkInterface()
+#endif
+{
+ if (!langFontLink) {
+ if (IMultiLanguage* mli = getMultiLanguageInterface())
+ mli->QueryInterface(&langFontLink);
+ }
+
+ return langFontLink;
+}
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+static bool currentFontContainsCharacter(IMLangFontLink2* langFontLink, HDC hdc, UChar character)
+{
+ UINT unicodeRanges;
+ if (S_OK != langFontLink->GetFontUnicodeRanges(hdc, &unicodeRanges, 0))
+ return false;
+
+ static Vector<UNICODERANGE, 64> glyphsetBuffer;
+ glyphsetBuffer.resize(unicodeRanges);
+
+ if (S_OK != langFontLink->GetFontUnicodeRanges(hdc, &unicodeRanges, glyphsetBuffer.data()))
+ return false;
+
+ // FIXME: Change this to a binary search. (Yong Li: That's easy. But, is it guaranteed that the ranges are sorted?)
+ for (Vector<UNICODERANGE, 64>::const_iterator i = glyphsetBuffer.begin(); i != glyphsetBuffer.end(); ++i) {
+ if (i->wcTo >= character)
+ return i->wcFrom <= character;
+ }
+
+ return false;
+}
+#else
+static bool currentFontContainsCharacter(IMLangFontLink* langFontLink, HDC hdc, HFONT hfont, UChar character, const wchar_t* faceName)
+{
+ DWORD fontCodePages = 0, charCodePages = 0;
+ HRESULT result = langFontLink->GetFontCodePages(hdc, hfont, &fontCodePages);
+ if (result != S_OK)
+ return false;
+ result = langFontLink->GetCharCodePages(character, &charCodePages);
+ if (result != S_OK)
+ return false;
+
+ fontCodePages |= FontPlatformData::getKnownFontCodePages(faceName);
+ if (fontCodePages & charCodePages)
+ return true;
+
+ return false;
+}
+#endif
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+static HFONT createMLangFont(IMLangFontLink2* langFontLink, HDC hdc, DWORD codePageMask, UChar character = 0)
+{
+ HFONT mlangFont;
+ if (SUCCEEDED(langFontLink->MapFont(hdc, codePageMask, character, &mlangFont)))
+ return mlangFont;
+
+ return 0;
+}
+#else
+static HFONT createMLangFont(IMLangFontLink* langFontLink, HDC hdc, const FontPlatformData& refFont, DWORD codePageMask)
+{
+ HFONT mlangFont;
+ LRESULT result = langFontLink->MapFont(hdc, codePageMask, refFont.hfont(), &mlangFont);
+
+ return result == S_OK ? mlangFont : 0;
+}
+#endif
+
+static const Vector<DWORD, 4>& getCJKCodePageMasks()
+{
+ // The default order in which we look for a font for a CJK character. If the user's default code page is
+ // one of these, we will use it first.
+ static const UINT CJKCodePages[] = {
+ 932, /* Japanese */
+ 936, /* Simplified Chinese */
+ 950, /* Traditional Chinese */
+ 949 /* Korean */
+ };
+
+ static Vector<DWORD, 4> codePageMasks;
+ static bool initialized;
+ if (!initialized) {
+ initialized = true;
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ IMLangFontLink2* langFontLink = fontCache()->getFontLinkInterface();
+#else
+ IMLangFontLink* langFontLink = fontCache()->getFontLinkInterface();
+#endif
+ if (!langFontLink)
+ return codePageMasks;
+
+ UINT defaultCodePage;
+ DWORD defaultCodePageMask = 0;
+ if (GetLocaleInfo(LOCALE_USER_DEFAULT, LOCALE_RETURN_NUMBER | LOCALE_IDEFAULTANSICODEPAGE, reinterpret_cast<LPWSTR>(&defaultCodePage), sizeof(defaultCodePage)))
+ langFontLink->CodePageToCodePages(defaultCodePage, &defaultCodePageMask);
+
+ if (defaultCodePage == CJKCodePages[0] || defaultCodePage == CJKCodePages[1] || defaultCodePage == CJKCodePages[2] || defaultCodePage == CJKCodePages[3])
+ codePageMasks.append(defaultCodePageMask);
+ for (unsigned i = 0; i < 4; ++i) {
+ if (defaultCodePage != CJKCodePages[i]) {
+ DWORD codePageMask;
+ langFontLink->CodePageToCodePages(CJKCodePages[i], &codePageMask);
+ codePageMasks.append(codePageMask);
+ }
+ }
+ }
+ return codePageMasks;
+}
+
+
+struct TraitsInFamilyProcData {
+ TraitsInFamilyProcData(const AtomicString& familyName)
+ : m_familyName(familyName)
+ {
+ }
+
+ const AtomicString& m_familyName;
+ HashSet<unsigned> m_traitsMasks;
+};
+
+static int CALLBACK traitsInFamilyEnumProc(CONST LOGFONT* logFont, CONST TEXTMETRIC* metrics, DWORD fontType, LPARAM lParam)
+{
+ TraitsInFamilyProcData* procData = reinterpret_cast<TraitsInFamilyProcData*>(lParam);
+
+ unsigned traitsMask = 0;
+ traitsMask |= logFont->lfItalic ? FontStyleItalicMask : FontStyleNormalMask;
+ traitsMask |= FontVariantNormalMask;
+ LONG weight = FontPlatformData::adjustedGDIFontWeight(logFont->lfWeight, procData->m_familyName);
+ traitsMask |= weight == FW_THIN ? FontWeight100Mask :
+ weight == FW_EXTRALIGHT ? FontWeight200Mask :
+ weight == FW_LIGHT ? FontWeight300Mask :
+ weight == FW_NORMAL ? FontWeight400Mask :
+ weight == FW_MEDIUM ? FontWeight500Mask :
+ weight == FW_SEMIBOLD ? FontWeight600Mask :
+ weight == FW_BOLD ? FontWeight700Mask :
+ weight == FW_EXTRABOLD ? FontWeight800Mask :
+ FontWeight900Mask;
+ procData->m_traitsMasks.add(traitsMask);
+ return 1;
+}
+
+void FontCache::platformInit()
+{
+}
+
+void FontCache::comInitialize()
+{
+}
+
+void FontCache::comUninitialize()
+{
+ if (langFontLink) {
+ langFontLink->Release();
+ langFontLink = 0;
+ }
+ if (multiLanguage) {
+ multiLanguage->Release();
+ multiLanguage = 0;
+ }
+}
+
+const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
+{
+ String familyName;
+ WCHAR name[LF_FACESIZE];
+
+ UChar character = characters[0];
+ const FontPlatformData& origFont = font.primaryFont()->fontDataForCharacter(character)->platformData();
+ unsigned unicodeRange = findCharUnicodeRange(character);
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ if (IMLangFontLink2* langFontLink = getFontLinkInterface()) {
+#else
+ if (IMLangFontLink* langFontLink = getFontLinkInterface()) {
+#endif
+ HGDIOBJ oldFont = GetCurrentObject(g_screenDC, OBJ_FONT);
+ HFONT hfont = 0;
+ DWORD codePages = 0;
+ UINT codePage = 0;
+ // Try MLang font linking first.
+ langFontLink->GetCharCodePages(character, &codePages);
+ if (codePages && unicodeRange == cRangeSetCJK) {
+ // The CJK character may belong to multiple code pages. We want to
+ // do font linking against a single one of them, preferring the default
+ // code page for the user's locale.
+ const Vector<DWORD, 4>& CJKCodePageMasks = getCJKCodePageMasks();
+ unsigned numCodePages = CJKCodePageMasks.size();
+ for (unsigned i = 0; i < numCodePages; ++i) {
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ hfont = createMLangFont(langFontLink, g_screenDC, CJKCodePageMasks[i]);
+#else
+ hfont = createMLangFont(langFontLink, g_screenDC, origFont, CJKCodePageMasks[i]);
+#endif
+ if (!hfont)
+ continue;
+
+ SelectObject(g_screenDC, hfont);
+ GetTextFace(g_screenDC, LF_FACESIZE, name);
+
+ if (hfont && !(codePages & CJKCodePageMasks[i])) {
+ // We asked about a code page that is not one of the code pages
+ // returned by MLang, so the font might not contain the character.
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ if (!currentFontContainsCharacter(langFontLink, g_screenDC, character)) {
+#else
+ if (!currentFontContainsCharacter(langFontLink, g_screenDC, hfont, character, name)) {
+#endif
+ SelectObject(g_screenDC, oldFont);
+ langFontLink->ReleaseFont(hfont);
+ hfont = 0;
+ continue;
+ }
+ }
+ break;
+ }
+ } else {
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ hfont = createMLangFont(langFontLink, g_screenDC, codePages, character);
+#else
+ hfont = createMLangFont(langFontLink, g_screenDC, origFont, codePages);
+#endif
+ SelectObject(g_screenDC, hfont);
+ GetTextFace(g_screenDC, LF_FACESIZE, name);
+ }
+ SelectObject(g_screenDC, oldFont);
+
+ if (hfont) {
+ familyName = name;
+ langFontLink->ReleaseFont(hfont);
+ } else
+ FontPlatformData::mapKnownFont(codePages, familyName);
+ }
+
+ if (familyName.isEmpty())
+ familyName = FontPlatformData::defaultFontFamily();
+
+ if (!familyName.isEmpty()) {
+ // FIXME: temporary workaround for Thai font problem
+ FontDescription fontDescription(font.fontDescription());
+ if (unicodeRange == cRangeThai && fontDescription.weight() > FontWeightNormal)
+ fontDescription.setWeight(FontWeightNormal);
+
+ FontPlatformData* result = getCachedFontPlatformData(fontDescription, familyName);
+ if (result && result->hash() != origFont.hash()) {
+ if (SimpleFontData* fontData = getCachedFontData(result))
+ return fontData;
+ }
+ }
+
+ return 0;
+}
+
+FontPlatformData* FontCache::getSimilarFontPlatformData(const Font& font)
+{
+ return 0;
+}
+
+FontPlatformData* FontCache::getLastResortFallbackFont(const FontDescription& fontDesc)
+{
+ // FIXME: Would be even better to somehow get the user's default font here. For now we'll pick
+ // the default that the user would get without changing any prefs.
+ return getCachedFontPlatformData(fontDesc, FontPlatformData::defaultFontFamily());
+}
+
+FontPlatformData* FontCache::createFontPlatformData(const FontDescription& fontDescription, const AtomicString& family)
+{
+ FontPlatformData* result = new FontPlatformData(fontDescription, family);
+ return result;
+}
+
+void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks)
+{
+ LOGFONT logFont;
+ logFont.lfCharSet = DEFAULT_CHARSET;
+ unsigned familyLength = std::min(familyName.length(), static_cast<unsigned>(LF_FACESIZE - 1));
+ memcpy(logFont.lfFaceName, familyName.characters(), familyLength * sizeof(UChar));
+ logFont.lfFaceName[familyLength] = 0;
+ logFont.lfPitchAndFamily = 0;
+
+ TraitsInFamilyProcData procData(familyName);
+ EnumFontFamiliesEx(g_screenDC, &logFont, traitsInFamilyEnumProc, reinterpret_cast<LPARAM>(&procData), 0);
+ copyToVector(procData.m_traitsMasks, traitsMasks);
+}
+
+}
+
diff --git a/WebCore/platform/graphics/wince/FontCustomPlatformData.cpp b/WebCore/platform/graphics/wince/FontCustomPlatformData.cpp
new file mode 100644
index 0000000..7c6853c
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontCustomPlatformData.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "FontCustomPlatformData.h"
+
+#include "Base64.h"
+#include "CachedFont.h"
+#include "FontPlatformData.h"
+#include <wtf/RandomNumber.h>
+
+namespace WebCore {
+
+static CustomFontCache* g_customFontCache = 0;
+
+bool renameFont(SharedBuffer* fontData, const String& fontName);
+
+FontCustomPlatformData::~FontCustomPlatformData()
+{
+ if (g_customFontCache && !m_name.isEmpty())
+ g_customFontCache->unregisterFont(m_name);
+}
+
+FontPlatformData FontCustomPlatformData::fontPlatformData(int size, bool bold, bool italic, FontRenderingMode renderingMode)
+{
+ FontDescription fontDesc;
+ fontDesc.setComputedSize(size);
+ fontDesc.setSpecifiedSize(size);
+ fontDesc.setItalic(italic);
+ fontDesc.setWeight(bold ? FontWeightBold : FontWeightNormal);
+ return FontPlatformData(fontDesc, m_name, false);
+}
+
+// Creates a unique and unpredictable font name, in order to avoid collisions and to
+// not allow access from CSS.
+static String createUniqueFontName()
+{
+ Vector<char> fontUuid(sizeof(GUID));
+
+ unsigned int* ptr = reinterpret_cast<unsigned int*>(fontUuid.data());
+ for (int i = 0; i < sizeof(GUID) / sizeof(int) ; ++i)
+ *(ptr + i) = static_cast<unsigned int>(WTF::randomNumber() * (std::numeric_limits<unsigned>::max() + 1.0));
+
+ Vector<char> fontNameVector;
+ base64Encode(fontUuid, fontNameVector);
+ ASSERT(fontNameVector.size() < LF_FACESIZE);
+ String fontName(fontNameVector.data(), fontNameVector.size());
+ return fontName.replace('/', '_');
+}
+
+FontCustomPlatformData* createFontCustomPlatformData(CachedFont* cachedFont)
+{
+ if (g_customFontCache && cachedFont->CachedResource::data()) {
+ String fontName = createUniqueFontName();
+ if (renameFont(cachedFont->CachedResource::data(), fontName) && g_customFontCache->registerFont(fontName, cachedFont))
+ return new FontCustomPlatformData(fontName);
+ }
+ return 0;
+}
+
+}
diff --git a/WebCore/platform/graphics/wince/FontCustomPlatformData.h b/WebCore/platform/graphics/wince/FontCustomPlatformData.h
new file mode 100644
index 0000000..b1f64a0
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontCustomPlatformData.h
@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef FontCustomPlatformData_h
+#define FontCustomPlatformData_h
+
+#include "FontRenderingMode.h"
+#include "PlatformString.h"
+#include <wtf/Noncopyable.h>
+
+namespace WebCore {
+
+ class FontPlatformData;
+ class CachedFont;
+
+ class CustomFontCache {
+ public:
+ virtual bool registerFont(const String& fontName, CachedFont*) = 0;
+ virtual void unregisterFont(const String& fontName) = 0;
+ };
+
+ struct FontCustomPlatformData : Noncopyable {
+ FontCustomPlatformData(const String& name)
+ : m_name(name)
+ {
+ }
+
+ ~FontCustomPlatformData();
+
+ FontPlatformData fontPlatformData(int size, bool bold, bool italic, FontRenderingMode = NormalRenderingMode);
+ String m_name;
+ };
+
+ FontCustomPlatformData* createFontCustomPlatformData(CachedFont*);
+
+}
+
+#endif
diff --git a/WebCore/platform/graphics/wince/FontPlatformData.cpp b/WebCore/platform/graphics/wince/FontPlatformData.cpp
new file mode 100644
index 0000000..f0db2ff
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontPlatformData.cpp
@@ -0,0 +1,532 @@
+/*
+ * Copyright (C) 2007-2009 Torch Mobile Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "FontPlatformData.h"
+
+#include "Font.h"
+#include "FontCache.h"
+#include "FontData.h"
+#include "PlatformString.h"
+#include "SimpleFontData.h"
+#include "UnicodeRange.h"
+#include "wtf/OwnPtr.h"
+
+#include <windows.h>
+#include <mlang.h>
+
+namespace WebCore {
+
+extern HDC g_screenDC;
+
+static wchar_t songTiStr[] = { 0x5b8b, 0x4f53, 0 };
+static wchar_t heiTiStr[] = { 0x9ed1, 0x4f53, 0 };
+
+class FontFamilyCodePageInfo {
+public:
+ FontFamilyCodePageInfo()
+ : m_codePage(0), m_codePages(0)
+ {
+ }
+ FontFamilyCodePageInfo(const wchar_t* family, UINT codePage)
+ : m_family(family), m_codePage(codePage), m_codePages(0)
+ {
+ }
+ DWORD codePages() const
+ {
+ if (!m_codePages) {
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ if (IMLangFontLink2* langFontLink = fontCache()->getFontLinkInterface())
+ langFontLink->CodePageToCodePages(m_codePage, &m_codePages);
+#else
+ if (IMLangFontLink* langFontLink = fontCache()->getFontLinkInterface())
+ langFontLink->CodePageToCodePages(m_codePage, &m_codePages);
+#endif
+ }
+ return m_codePages;
+ }
+
+ String m_family;
+ UINT m_codePage;
+private:
+ mutable DWORD m_codePages;
+};
+
+class FontFamilyChecker {
+public:
+ FontFamilyChecker(const wchar_t* family)
+ : m_exists(false)
+ {
+ EnumFontFamilies(g_screenDC, family, enumFontFamProc, (LPARAM)this);
+ }
+ bool isSupported() const { return m_exists; }
+private:
+ bool m_exists;
+ static int CALLBACK enumFontFamProc(const LOGFONT FAR* lpelf, const TEXTMETRIC FAR* lpntm, DWORD FontType, LPARAM lParam);
+};
+
+class ValidFontFamilyFinder {
+public:
+ ValidFontFamilyFinder()
+ {
+ EnumFontFamilies(g_screenDC, 0, enumFontFamProc, (LPARAM)this);
+ }
+ const String& family() const { return m_family; }
+private:
+ String m_family;
+ static int CALLBACK enumFontFamProc(const LOGFONT FAR* lpelf, const TEXTMETRIC FAR* lpntm, DWORD FontType, LPARAM lParam);
+};
+
+class FixedSizeFontData: public RefCounted<FixedSizeFontData> {
+public:
+ LOGFONT m_font;
+ OwnPtr<HFONT> m_hfont;
+ TEXTMETRIC m_metrics;
+ DWORD m_codePages;
+ unsigned m_weight;
+ bool m_italic;
+
+ static PassRefPtr<FixedSizeFontData> create(const AtomicString& family, unsigned weight, bool italic);
+private:
+ FixedSizeFontData()
+ : m_codePages(0)
+ , m_weight(0)
+ , m_italic(false)
+ {
+ memset(&m_font, 0, sizeof(m_font));
+ memset(&m_metrics, 0, sizeof(m_metrics));
+ }
+};
+
+struct FixedSizeFontDataKey {
+ FixedSizeFontDataKey(const AtomicString& family = AtomicString(), unsigned weight = 0, bool italic = false)
+ : m_family(family)
+ , m_weight(weight)
+ , m_italic(italic)
+ {
+ }
+
+ FixedSizeFontDataKey(WTF::HashTableDeletedValueType) : m_weight(-2) { }
+ bool isHashTableDeletedValue() const { return m_weight == -2; }
+
+ bool operator==(const FixedSizeFontDataKey& other) const
+ {
+ return equalIgnoringCase(m_family, other.m_family)
+ && m_weight == other.m_weight
+ && m_italic == other.m_italic;
+ }
+
+ AtomicString m_family;
+ unsigned m_weight;
+ bool m_italic;
+};
+
+struct FixedSizeFontDataKeyHash {
+ static unsigned hash(const FixedSizeFontDataKey& font)
+ {
+ unsigned hashCodes[] = {
+ CaseFoldingHash::hash(font.m_family),
+ font.m_weight,
+ // static_cast<unsigned>(font.m_italic);
+ };
+ return StringImpl::computeHash(reinterpret_cast<UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));
+ }
+
+ static bool equal(const FixedSizeFontDataKey& a, const FixedSizeFontDataKey& b)
+ {
+ return a == b;
+ }
+
+ static const bool safeToCompareToEmptyOrDeleted = true;
+};
+
+struct FixedSizeFontDataKeyTraits : WTF::GenericHashTraits<FixedSizeFontDataKey> {
+ static const bool emptyValueIsZero = true;
+ static const FixedSizeFontDataKey& emptyValue()
+ {
+ DEFINE_STATIC_LOCAL(FixedSizeFontDataKey, key, (nullAtom));
+ return key;
+ }
+ static void constructDeletedValue(FixedSizeFontDataKey& slot)
+ {
+ new (&slot) FixedSizeFontDataKey(WTF::HashTableDeletedValue);
+ }
+ static bool isDeletedValue(const FixedSizeFontDataKey& value)
+ {
+ return value.isHashTableDeletedValue();
+ }
+};
+
+int CALLBACK FontFamilyChecker::enumFontFamProc(const LOGFONT FAR* lpelf, const TEXTMETRIC FAR* lpntm, DWORD FontType, LPARAM lParam)
+{
+ ((FontFamilyChecker*)lParam)->m_exists = true;
+ return 0;
+}
+
+int CALLBACK ValidFontFamilyFinder::enumFontFamProc(const LOGFONT FAR* lpelf, const TEXTMETRIC FAR* lpntm, DWORD FontType, LPARAM lParam)
+{
+ if (lpelf->lfCharSet != SYMBOL_CHARSET) {
+ ((ValidFontFamilyFinder*)lParam)->m_family = String(lpelf->lfFaceName);
+ return 0;
+ }
+ return 1;
+}
+
+typedef Vector<FontFamilyCodePageInfo> KnownFonts;
+static KnownFonts& knownFonts()
+{
+ static KnownFonts fonts;
+ static bool firstTime = true;
+ if (firstTime) {
+ firstTime = false;
+ if (FontPlatformData::isSongTiSupported())
+ fonts.append(FontFamilyCodePageInfo(songTiStr, 936));
+ }
+ return fonts;
+}
+
+static String getDefaultFontFamily()
+{
+ if (FontFamilyChecker(L"Tahoma").isSupported())
+ return String(L"Tahoma");
+
+ bool good = false;
+ String family;
+ HKEY key;
+ if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, L"SYSTEM\\GDI\\SysFnt", 0, 0, &key) == ERROR_SUCCESS) {
+ DWORD maxlen, type;
+ if (RegQueryValueEx(key, L"Nm", 0, &type, 0, &maxlen) == ERROR_SUCCESS && type == REG_SZ) {
+ ++maxlen;
+ if (wchar_t* buffer = new wchar_t[maxlen]) {
+ if (RegQueryValueEx(key, L"Nm", 0, &type, (LPBYTE)buffer, &maxlen) == ERROR_SUCCESS) {
+ family = String(buffer, maxlen);
+ good = true;
+ }
+ delete[] buffer;
+ }
+ }
+ RegCloseKey(key);
+ }
+ if (good)
+ return family;
+
+ return ValidFontFamilyFinder().family();
+}
+
+typedef HashMap<FixedSizeFontDataKey, RefPtr<FixedSizeFontData>, FixedSizeFontDataKeyHash, FixedSizeFontDataKeyTraits> FixedSizeFontCache;
+FixedSizeFontCache g_fixedSizeFontCache;
+
+PassRefPtr<FixedSizeFontData> FixedSizeFontData::create(const AtomicString& family, unsigned weight, bool italic)
+{
+ FixedSizeFontData* fontData = new FixedSizeFontData();
+
+ fontData->m_weight = weight;
+ fontData->m_italic = italic;
+
+ LOGFONT& winFont = fontData->m_font;
+ // The size here looks unusual. The negative number is intentional.
+ winFont.lfHeight = -72;
+ winFont.lfWidth = 0;
+ winFont.lfEscapement = 0;
+ winFont.lfOrientation = 0;
+ winFont.lfUnderline = false;
+ winFont.lfStrikeOut = false;
+ winFont.lfCharSet = DEFAULT_CHARSET;
+ winFont.lfOutPrecision = OUT_DEFAULT_PRECIS;
+ winFont.lfQuality = CLEARTYPE_QUALITY; //DEFAULT_QUALITY;
+ winFont.lfClipPrecision = CLIP_DEFAULT_PRECIS;
+ winFont.lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
+ winFont.lfItalic = italic;
+ winFont.lfWeight = FontPlatformData::adjustedGDIFontWeight(weight, family);
+
+ int len = std::min(family.length(), (unsigned int)LF_FACESIZE - 1);
+ wmemcpy(winFont.lfFaceName, family.characters(), len);
+ winFont.lfFaceName[len] = L'\0';
+
+ fontData->m_hfont.set(CreateFontIndirect(&winFont));
+
+ HGDIOBJ oldFont = SelectObject(g_screenDC, fontData->m_hfont.get());
+
+ GetTextMetrics(g_screenDC, &fontData->m_metrics);
+
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ if (IMLangFontLink2* langFontLink = fontCache()->getFontLinkInterface()) {
+#else
+ if (IMLangFontLink* langFontLink = fontCache()->getFontLinkInterface()) {
+#endif
+ langFontLink->GetFontCodePages(g_screenDC, fontData->m_hfont.get(), &fontData->m_codePages);
+ fontData->m_codePages |= FontPlatformData::getKnownFontCodePages(winFont.lfFaceName);
+ }
+
+ SelectObject(g_screenDC, oldFont);
+
+ return adoptRef(fontData);
+}
+
+static PassRefPtr<FixedSizeFontData> createFixedSizeFontData(const AtomicString& family, unsigned weight, bool italic)
+{
+ FixedSizeFontDataKey key(family, weight, italic);
+ pair<FixedSizeFontCache::iterator, bool> result = g_fixedSizeFontCache.add(key, RefPtr<FixedSizeFontData>());
+ if (result.second)
+ result.first->second = FixedSizeFontData::create(family, weight, italic);
+
+ return result.first->second;
+}
+
+static LONG toGDIFontWeight(FontWeight fontWeight)
+{
+ static LONG gdiFontWeights[] = {
+ FW_THIN, // FontWeight100
+ FW_EXTRALIGHT, // FontWeight200
+ FW_LIGHT, // FontWeight300
+ FW_NORMAL, // FontWeight400
+ FW_MEDIUM, // FontWeight500
+ FW_SEMIBOLD, // FontWeight600
+ FW_BOLD, // FontWeight700
+ FW_EXTRABOLD, // FontWeight800
+ FW_HEAVY // FontWeight900
+ };
+ return gdiFontWeights[fontWeight];
+}
+
+class FontPlatformPrivateData {
+public:
+ int m_reference;
+ RefPtr<FixedSizeFontData> m_rootFontData;
+ AtomicString m_family;
+ FontDescription m_fontDescription;
+ OwnPtr<HFONT> m_hfontScaled;
+ int m_size;
+ long m_fontScaledWidth;
+ long m_fontScaledHeight;
+ bool m_disabled;
+ FontPlatformPrivateData(int size, unsigned weight)
+ : m_reference(1)
+ , m_family(FontPlatformData::defaultFontFamily())
+ , m_size(size)
+ , m_fontScaledWidth(0)
+ , m_fontScaledHeight(0)
+ , m_disabled(false)
+ {
+ m_rootFontData = createFixedSizeFontData(m_family, weight, false);
+ }
+ FontPlatformPrivateData(const FontDescription& fontDescription, const AtomicString& family)
+ : m_reference(1)
+ , m_size(fontDescription.computedPixelSize())
+ , m_fontDescription(fontDescription)
+ , m_family(family)
+ , m_fontScaledWidth(0)
+ , m_fontScaledHeight(0)
+ , m_disabled(!fontDescription.specifiedSize())
+ {
+ m_rootFontData = FixedSizeFontData::create(family, toGDIFontWeight(fontDescription.weight()), fontDescription.italic());
+ }
+};
+
+FontPlatformData::FontPlatformData(const FontDescription& fontDescription, const AtomicString& desiredFamily, bool useDefaultFontIfNotPresent)
+{
+ String family(desiredFamily);
+ if (!equalIgnoringCase(family, defaultFontFamily()) && !FontFamilyChecker(family.charactersWithNullTermination()).isSupported()) {
+ if (equalIgnoringCase(family, String(heiTiStr)) && isSongTiSupported())
+ family = String(songTiStr);
+ else if (useDefaultFontIfNotPresent)
+ family = defaultFontFamily();
+ }
+
+ m_private = new FontPlatformPrivateData(fontDescription, family);
+}
+
+FontPlatformData::FontPlatformData(float size, bool bold, bool oblique)
+{
+ if (!size)
+ m_private = 0;
+ else
+ m_private = new FontPlatformPrivateData((int)(size + 0.5), bold ? FW_BOLD : FW_NORMAL);
+}
+
+FontPlatformData::~FontPlatformData()
+{
+ if (isValid() && !--m_private->m_reference) {
+ if (m_private->m_rootFontData->refCount() == 2) {
+ FixedSizeFontDataKey key(m_private->m_family, m_private->m_rootFontData->m_weight, m_private->m_rootFontData->m_italic);
+ g_fixedSizeFontCache.remove(key);
+ }
+ delete m_private;
+ }
+}
+
+FontPlatformData& FontPlatformData::operator=(const FontPlatformData& o)
+{
+ if (isValid() && !--m_private->m_reference)
+ delete m_private;
+
+ if (m_private = o.m_private)
+ ++m_private->m_reference;
+
+ return *this;
+}
+
+HFONT FontPlatformData::hfont() const
+{
+ if (!isValid())
+ return 0;
+
+ if (m_private->m_disabled)
+ return 0;
+
+ if (!m_private->m_rootFontData->m_hfont)
+ m_private->m_rootFontData->m_hfont.set(CreateFontIndirect(&m_private->m_rootFontData->m_font));
+
+ return m_private->m_rootFontData->m_hfont.get();
+}
+
+HFONT FontPlatformData::getScaledFontHandle(int height, int width) const
+{
+ if (!isValid() || m_private->m_disabled)
+ return 0;
+
+ if (!m_private->m_hfontScaled || m_private->m_fontScaledHeight != height || m_private->m_fontScaledWidth != width) {
+ m_private->m_fontScaledHeight = height;
+ m_private->m_fontScaledWidth = width;
+ LOGFONT font = m_private->m_rootFontData->m_font;
+ font.lfHeight = -height;
+ font.lfWidth = width;
+ m_private->m_hfontScaled.set(CreateFontIndirect(&font));
+ }
+
+ return m_private->m_hfontScaled.get();
+}
+
+bool FontPlatformData::discardFontHandle()
+{
+ if (!isValid())
+ return false;
+
+ if (m_private->m_rootFontData->m_hfont) {
+ m_private->m_rootFontData->m_hfont.set(0);
+ return true;
+ }
+
+ if (m_private->m_hfontScaled) {
+ m_private->m_hfontScaled.set(0);
+ return true;
+ }
+ return false;
+}
+
+const TEXTMETRIC& FontPlatformData::metrics() const
+{
+ return m_private->m_rootFontData->m_metrics;
+}
+
+bool FontPlatformData::isSystemFont() const
+{
+ return false;
+}
+
+int FontPlatformData::size() const
+{
+ return m_private->m_size;
+}
+
+const FontDescription& FontPlatformData::fontDescription() const
+{
+ return m_private->m_fontDescription;
+}
+
+const AtomicString& FontPlatformData::family() const
+{
+ return m_private->m_family;
+}
+
+const LOGFONT& FontPlatformData::logFont() const
+{
+ return m_private->m_rootFontData->m_font;
+}
+
+int FontPlatformData::averageCharWidth() const
+{
+ return (m_private->m_rootFontData->m_metrics.tmAveCharWidth * size() + 36) / 72;
+}
+
+bool FontPlatformData::isDisabled() const
+{
+ return !isValid() || m_private->m_disabled;
+}
+
+DWORD FontPlatformData::codePages() const
+{
+ return m_private->m_rootFontData->m_codePages;
+}
+
+bool FontPlatformData::isSongTiSupported()
+{
+ static bool exists = FontFamilyChecker(songTiStr).isSupported();
+ return exists;
+}
+
+bool FontPlatformData::mapKnownFont(DWORD codePages, String& family)
+{
+ KnownFonts& fonts = knownFonts();
+ for (KnownFonts::iterator i = fonts.begin(); i != fonts.end(); ++i) {
+ if (i->codePages() & codePages) {
+ family = i->m_family;
+ return true;
+ }
+ }
+ return false;
+}
+
+DWORD FontPlatformData::getKnownFontCodePages(const wchar_t* family)
+{
+ KnownFonts& fonts = knownFonts();
+ for (KnownFonts::iterator i = fonts.begin(); i != fonts.end(); ++i) {
+ if (equalIgnoringCase(i->m_family, String(family)))
+ return i->codePages();
+ }
+ return 0;
+}
+
+const String& FontPlatformData::defaultFontFamily()
+{
+ static String family(getDefaultFontFamily());
+ return family;
+}
+
+LONG FontPlatformData::adjustedGDIFontWeight(LONG gdiFontWeight, const String& family)
+{
+ static AtomicString lucidaStr("Lucida Grande");
+ if (equalIgnoringCase(family, lucidaStr)) {
+ if (gdiFontWeight == FW_NORMAL)
+ return FW_MEDIUM;
+ if (gdiFontWeight == FW_BOLD)
+ return FW_SEMIBOLD;
+ }
+ return gdiFontWeight;
+}
+
+#ifndef NDEBUG
+String FontPlatformData::description() const
+{
+ return String();
+}
+#endif
+
+}
diff --git a/WebCore/platform/graphics/wince/FontPlatformData.h b/WebCore/platform/graphics/wince/FontPlatformData.h
new file mode 100644
index 0000000..77803d3
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontPlatformData.h
@@ -0,0 +1,90 @@
+/*
+ * This file is part of the internal font implementation. It should not be included by anyone other than
+ * FontMac.cpp, FontWin.cpp and Font.cpp.
+ *
+ * Copyright (C) 2006, 2007 Apple Inc.
+ * Copyright (C) 2007-2008 Torch Mobile, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef FontPlatformDataWince_H
+#define FontPlatformDataWince_H
+
+#include "FontDescription.h"
+#include "StringImpl.h"
+#include <wtf/Noncopyable.h>
+
+typedef struct tagTEXTMETRICW TEXTMETRIC;
+typedef struct tagLOGFONTW LOGFONT;
+
+namespace WebCore {
+
+ class FontPlatformPrivateData;
+ class String;
+
+ class FontPlatformData {
+
+ public:
+
+ FontPlatformData(): m_private(0) {}
+ FontPlatformData(float size, bool bold, bool oblique);
+
+ // Used for deleted values in the font cache's hash tables.
+ FontPlatformData(WTF::HashTableDeletedValueType) : m_private((FontPlatformPrivateData*)1) {}
+ bool isHashTableDeletedValue() const { return (unsigned)m_private == 1; }
+
+ FontPlatformData(const FontDescription& fontDescription, const AtomicString& family, bool useDefaultFontIfNotPresent = true);
+
+ ~FontPlatformData();
+
+ FontPlatformData(const FontPlatformData& o) : m_private(0) { operator=(o); }
+ FontPlatformData& operator=(const FontPlatformData& o);
+
+ int isValid() const { return reinterpret_cast<unsigned>(m_private) & ~1; }
+ HFONT hfont() const;
+ const TEXTMETRIC& metrics() const;
+ bool isSystemFont() const;
+ int size() const;
+ unsigned hash() const { return (unsigned)m_private; }
+ const FontDescription& fontDescription() const;
+ const AtomicString& family() const;
+ bool operator==(const FontPlatformData& other) const { return m_private == other.m_private; }
+ HFONT getScaledFontHandle(int height, int width) const;
+ const LOGFONT& logFont() const;
+ int averageCharWidth() const;
+ bool isDisabled() const;
+ bool discardFontHandle();
+ DWORD codePages() const;
+
+ static bool isSongTiSupported();
+ static bool mapKnownFont(DWORD codePages, String& family);
+ static DWORD getKnownFontCodePages(const wchar_t* family);
+ static const String& defaultFontFamily();
+ static LONG adjustedGDIFontWeight(LONG gdiFontWeight, const String& family);
+
+#ifndef NDEBUG
+ String description() const;
+#endif
+
+ private:
+ FontPlatformPrivateData* m_private;
+ };
+
+}
+
+#endif
diff --git a/WebCore/platform/graphics/wince/FontWince.cpp b/WebCore/platform/graphics/wince/FontWince.cpp
new file mode 100644
index 0000000..d00336b
--- /dev/null
+++ b/WebCore/platform/graphics/wince/FontWince.cpp
@@ -0,0 +1,333 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2007-2009 Torch Mobile, Inc.
+ * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
+ * Copyright (C) 2008 Holger Hans Peter Freyther
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "Font.h"
+
+#include "FloatRect.h"
+#include "FontCache.h"
+#include "FontData.h"
+#include "FontFallbackList.h"
+#include "GlyphBuffer.h"
+#include "GraphicsContext.h"
+#include "IntRect.h"
+#include "NotImplemented.h"
+#include "TransformationMatrix.h"
+#include "WidthIterator.h"
+#include <wtf/MathExtras.h>
+#include <wtf/OwnPtr.h>
+#include <wtf/unicode/Unicode.h>
+
+#include <windows.h>
+
+using namespace WTF::Unicode;
+
+namespace WebCore {
+
+HDC g_screenDC = GetDC(0);
+
+class ScreenDcReleaser {
+public:
+ ~ScreenDcReleaser()
+ {
+ ReleaseDC(0, g_screenDC);
+ }
+};
+
+ScreenDcReleaser releaseScreenDc;
+
+void Font::drawGlyphs(GraphicsContext* graphicsContext, const SimpleFontData* fontData, const GlyphBuffer& glyphBuffer,
+ int from, int numGlyphs, const FloatPoint& point) const
+{
+ graphicsContext->drawText(fontData, glyphBuffer, from, numGlyphs, point);
+}
+
+class TextRunComponent {
+public:
+ TextRunComponent() : m_textRun(0, 0) {}
+ TextRunComponent(const UChar *start, int length, const TextRun& parentTextRun, const Font &font, int offset);
+ TextRunComponent(int spaces, const Font &font, int offset);
+ ~TextRunComponent() { m_textRun; }
+
+ bool isSpace() const { return m_spaces; }
+ int textLength() const { return m_spaces ? m_spaces : m_textRun.length(); }
+
+ TextRun m_textRun;
+ float m_width;
+ int m_offset;
+ int m_spaces;
+};
+
+TextRunComponent::TextRunComponent(const UChar *start, int length, const TextRun& parentTextRun, const Font &font, int o)
+ : m_textRun(start, length, parentTextRun.allowTabs(), 0, 0
+ , parentTextRun.rtl()
+ , parentTextRun.directionalOverride()
+ , parentTextRun.applyRunRounding()
+ , parentTextRun.applyWordRounding())
+ , m_offset(o)
+ , m_spaces(0)
+{
+ WidthIterator it(&font, m_textRun);
+ it.advance(m_textRun.length(), 0);
+ m_width = it.m_runWidthSoFar;
+}
+
+TextRunComponent::TextRunComponent(int s, const Font &font, int o)
+ : m_textRun(0, 0)
+ , m_offset(o)
+ , m_spaces(s)
+{
+ m_width = s * font.primaryFont()->widthForGlyph(' ');
+}
+
+typedef Vector<TextRunComponent, 128> TextRunComponents;
+
+static int generateComponents(TextRunComponents* components, const Font &font, const TextRun &run)
+{
+ int letterSpacing = font.letterSpacing();
+ int wordSpacing = font.wordSpacing();
+ int padding = run.padding();
+ int numSpaces = 0;
+ if (padding) {
+ for (int i = 0; i < run.length(); i++)
+ if (Font::treatAsSpace(run[i]))
+ ++numSpaces;
+ }
+
+ int offset = 0;
+ if (letterSpacing) {
+ // need to draw every letter on it's own
+ int start = 0;
+ if (Font::treatAsSpace(run[0])) {
+ int add = 0;
+ if (numSpaces) {
+ add = padding/numSpaces;
+ padding -= add;
+ --numSpaces;
+ }
+ components->append(TextRunComponent(1, font, offset));
+ offset += add + letterSpacing + components->last().m_width;
+ start = 1;
+ }
+ for (int i = 1; i < run.length(); ++i) {
+ uint ch = run[i];
+ if (isHighSurrogate(ch) && isLowSurrogate(run[i-1]))
+ ch = surrogateToUcs4(ch, run[i-1]);
+ if (isLowSurrogate(ch) || category(ch) == Mark_NonSpacing)
+ continue;
+ if (Font::treatAsSpace(run[i])) {
+ int add = 0;
+ if (i - start > 0) {
+ components->append(TextRunComponent(run.characters() + start, i - start,
+ run, font, offset));
+ offset += components->last().m_width + letterSpacing;
+ }
+ if (numSpaces) {
+ add = padding/numSpaces;
+ padding -= add;
+ --numSpaces;
+ }
+ components->append(TextRunComponent(1, font, offset));
+ offset += wordSpacing + add + components->last().m_width + letterSpacing;
+ start = i + 1;
+ continue;
+ }
+ if (i - start > 0) {
+ components->append(TextRunComponent(run.characters() + start, i - start,
+ run,
+ font, offset));
+ offset += components->last().m_width + letterSpacing;
+ }
+ start = i;
+ }
+ if (run.length() - start > 0) {
+ components->append(TextRunComponent(run.characters() + start, run.length() - start,
+ run,
+ font, offset));
+ offset += components->last().m_width;
+ }
+ offset += letterSpacing;
+ } else {
+ int start = 0;
+ for (int i = 0; i < run.length(); ++i) {
+ if (Font::treatAsSpace(run[i])) {
+ if (i - start > 0) {
+ components->append(TextRunComponent(run.characters() + start, i - start,
+ run,
+ font, offset));
+ offset += components->last().m_width;
+ }
+ int add = 0;
+ if (numSpaces) {
+ add = padding/numSpaces;
+ padding -= add;
+ --numSpaces;
+ }
+ components->append(TextRunComponent(1, font, offset));
+ offset += add + components->last().m_width;
+ if (i)
+ offset += wordSpacing;
+ start = i + 1;
+ }
+ }
+ if (run.length() - start > 0) {
+ components->append(TextRunComponent(run.characters() + start, run.length() - start,
+ run,
+ font, offset));
+ offset += components->last().m_width;
+ }
+ }
+ return offset;
+}
+
+void Font::drawComplexText(GraphicsContext* context, const TextRun& run, const FloatPoint& point,
+ int from, int to) const
+{
+ if (to < 0)
+ to = run.length();
+ if (from < 0)
+ from = 0;
+
+ TextRunComponents components;
+ int w = generateComponents(&components, *this, run);
+
+ int curPos = 0;
+ for (int i = 0; i < (int)components.size(); ++i) {
+ const TextRunComponent& comp = components.at(i);
+ int len = comp.textLength();
+ int curEnd = curPos + len;
+ if (curPos < to && from < curEnd && !comp.isSpace()) {
+ FloatPoint pt = point;
+ if (run.rtl())
+ pt.setX(point.x() + w - comp.m_offset - comp.m_width);
+ else
+ pt.setX(point.x() + comp.m_offset);
+ drawSimpleText(context, comp.m_textRun, pt, from - curPos, std::min(to, curEnd) - curPos);
+ }
+ curPos += len;
+ if (from < curPos)
+ from = curPos;
+ }
+}
+
+float Font::floatWidthForComplexText(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts) const
+{
+ TextRunComponents components;
+ int w = generateComponents(&components, *this, run);
+ return w;
+}
+
+int Font::offsetForPositionForComplexText(const TextRun& run, int position, bool includePartialGlyphs) const
+{
+ TextRunComponents components;
+ int w = generateComponents(&components, *this, run);
+
+ if (position >= w)
+ return run.length();
+
+ int offset = 0;
+ if (run.rtl()) {
+ for (size_t i = 0; i < components.size(); ++i) {
+ const TextRunComponent& comp = components.at(i);
+ int xe = w - comp.m_offset;
+ int xs = xe - comp.m_width;
+ if (position >= xs)
+ return offset + (comp.isSpace()
+ ? static_cast<int>((position - xe) * comp.m_spaces / std::max(1.f, comp.m_width) + 0.5)
+ : offsetForPositionForSimpleText(comp.m_textRun, position - xs, includePartialGlyphs));
+
+ offset += comp.textLength();
+ }
+ } else {
+ for (size_t i = 0; i < components.size(); ++i) {
+ const TextRunComponent& comp = components.at(i);
+ int xs = comp.m_offset;
+ int xe = xs + comp.m_width;
+ if (position <= xe) {
+ if (position - xs >= xe)
+ return offset + comp.textLength();
+ return offset + (comp.isSpace()
+ ? static_cast<int>((position - xs) * comp.m_spaces / std::max(1.f, comp.m_width) + 0.5)
+ : offsetForPositionForSimpleText(comp.m_textRun, position - xs, includePartialGlyphs));
+ }
+ offset += comp.textLength();
+ }
+ }
+ return run.length();
+}
+
+
+static float cursorToX(const Font* font, const TextRunComponents& components, int width, bool rtl, int cursor)
+{
+ int start = 0;
+ for (size_t i = 0; i < components.size(); ++i) {
+ const TextRunComponent& comp = components.at(i);
+ if (start + comp.textLength() <= cursor) {
+ start += comp.textLength();
+ continue;
+ }
+ int xs = comp.m_offset;
+ if (rtl)
+ xs = width - xs - comp.m_width;
+
+ int pos = cursor - start;
+ if (comp.isSpace()) {
+ if (rtl)
+ pos = comp.textLength() - pos;
+ return xs + pos * comp.m_width / comp.m_spaces;
+ }
+ WidthIterator it(font, comp.m_textRun);
+ it.advance(pos);
+ return xs + it.m_runWidthSoFar;
+ }
+ return width;
+}
+
+FloatRect Font::selectionRectForComplexText(const TextRun& run, const IntPoint& pt,
+ int h, int from, int to) const
+{
+ TextRunComponents components;
+ int w = generateComponents(&components, *this, run);
+
+ if (!from && to == run.length())
+ return FloatRect(pt.x(), pt.y(), w, h);
+
+ float x1 = cursorToX(this, components, w, run.rtl(), from);
+ float x2 = cursorToX(this, components, w, run.rtl(), to);
+ if (x2 < x1)
+ std::swap(x1, x2);
+
+ return FloatRect(pt.x() + x1, pt.y(), x2 - x1, h);
+}
+
+bool Font::canReturnFallbackFontsForComplexText()
+{
+ return false;
+}
+
+}
diff --git a/WebCore/platform/graphics/wince/GlyphPageTreeNodeWince.cpp b/WebCore/platform/graphics/wince/GlyphPageTreeNodeWince.cpp
new file mode 100644
index 0000000..27c4e15
--- /dev/null
+++ b/WebCore/platform/graphics/wince/GlyphPageTreeNodeWince.cpp
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2007-2009 Torch Mobile Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "GlyphPageTreeNode.h"
+
+#include "Font.h"
+#include "FontCache.h"
+#include "FontData.h"
+#include "SimpleFontData.h"
+
+namespace WebCore {
+
+DWORD getKnownFontCodePages(const wchar_t* family);
+
+typedef unsigned (*funcGetCharCodePages)(unsigned short c, unsigned& lastPos);
+funcGetCharCodePages getCharCodePages = 0;
+
+bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData)
+{
+ if (length != bufferLength)
+ return false;
+
+ if (fontData->platformData().hfont()) {
+ DWORD fontCodePages = fontData->platformData().codePages();
+ if (fontCodePages) {
+ if (getCharCodePages) {
+ unsigned lastPos = 0;
+ for (unsigned i = 0; i < bufferLength; ++i) {
+ DWORD actualCodePages = getCharCodePages(buffer[i], lastPos);
+ if (!actualCodePages || (actualCodePages & fontCodePages))
+ setGlyphDataForIndex(offset + i, buffer[i], fontData);
+ else
+ setGlyphDataForIndex(offset + i, buffer[i], 0);
+ }
+ return true;
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ } else if (IMLangFontLink2* langFontLink = fontCache()->getFontLinkInterface()) {
+#else
+ } else if (IMLangFontLink* langFontLink = fontCache()->getFontLinkInterface()) {
+#endif
+ for (unsigned i = 0; i < bufferLength; ++i) {
+ DWORD actualCodePages;
+ langFontLink->GetCharCodePages(buffer[i], &actualCodePages);
+ if (!actualCodePages || (actualCodePages & fontCodePages))
+ setGlyphDataForIndex(offset + i, buffer[i], fontData);
+ else
+ setGlyphDataForIndex(offset + i, buffer[i], 0);
+ }
+ return true;
+ }
+ }
+ }
+
+ for (unsigned i = 0; i < length; ++i)
+ setGlyphDataForIndex(offset + i, buffer[i], fontData);
+
+ return true;
+}
+
+}
+
diff --git a/WebCore/platform/graphics/wince/GraphicsContextWince.cpp b/WebCore/platform/graphics/wince/GraphicsContextWince.cpp
new file mode 100644
index 0000000..c114c0e
--- /dev/null
+++ b/WebCore/platform/graphics/wince/GraphicsContextWince.cpp
@@ -0,0 +1,1930 @@
+/*
+ * Copyright (C) 2007-2009 Torch Mobile Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#include "config.h"
+#include "GraphicsContext.h"
+
+#include "CharacterNames.h"
+#include "GlyphBuffer.h"
+#include "Gradient.h"
+#include "GraphicsContextPrivate.h"
+#include "NotImplemented.h"
+#include "Path.h"
+#include "PlatformPathWince.h"
+#include "SharedBitmap.h"
+#include "SimpleFontData.h"
+#include "TransformationMatrix.h"
+#include <wtf/OwnPtr.h>
+
+#include <windows.h>
+
+namespace WebCore {
+
+typedef void (*FuncGradientFillRectLinear)(HDC hdc, const IntRect& r, const IntPoint& p0, const IntPoint& p1, const Vector<Gradient::ColorStop>& stops);
+typedef void (*FuncGradientFillRectRadial)(HDC hdc, const IntRect& r, const IntPoint& p0, const IntPoint& p1, float r0, float r1, const Vector<Gradient::ColorStop>& stops);
+FuncGradientFillRectLinear g_linearGradientFiller = 0;
+FuncGradientFillRectRadial g_radialGradientFiller = 0;
+
+static inline bool isZero(double d)
+{
+ return d > 0 ? d <= 1.E-10 : d >= -1.E-10;
+}
+
+// stableRound rounds -0.5 to 0, where lround rounds -0.5 to -1.
+static inline int stableRound(double d)
+{
+ if (d > 0)
+ return static_cast<int>(d + 0.5);
+
+ int i = static_cast<int>(d);
+ return i - d > 0.5 ? i - 1 : i;
+}
+
+// Unlike enclosingIntRect(), this function does strict rounding.
+static inline IntRect roundRect(const FloatRect& r)
+{
+ return IntRect(stableRound(r.x()), stableRound(r.y()), stableRound(r.right()) - stableRound(r.x()), stableRound(r.bottom()) - stableRound(r.y()));
+}
+
+// Rotation transformation
+class RotationTransform {
+public:
+ RotationTransform()
+ : m_cosA(1.)
+ , m_sinA(0.)
+ , m_preShiftX(0)
+ , m_preShiftY(0)
+ , m_postShiftX(0)
+ , m_postShiftY(0)
+ {
+ }
+ RotationTransform operator-() const
+ {
+ RotationTransform rtn;
+ rtn.m_cosA = m_cosA;
+ rtn.m_sinA = -m_sinA;
+ rtn.m_preShiftX = m_postShiftX;
+ rtn.m_preShiftY = m_postShiftY;
+ rtn.m_postShiftX = m_preShiftX;
+ rtn.m_postShiftY = m_preShiftY;
+ return rtn;
+ }
+ void map(double x1, double y1, double* x2, double* y2) const
+ {
+ x1 += m_preShiftX;
+ y1 += m_preShiftY;
+ *x2 = x1 * m_cosA + y1 * m_sinA + m_postShiftX;
+ *y2 = y1 * m_cosA - x1 * m_sinA + m_postShiftY;
+ }
+ void map(int x1, int y1, int* x2, int* y2) const
+ {
+ x1 += m_preShiftX;
+ y1 += m_preShiftY;
+ *x2 = stableRound(x1 * m_cosA + y1 * m_sinA) + m_postShiftX;
+ *y2 = stableRound(y1 * m_cosA - x1 * m_sinA) + m_postShiftY;
+ }
+
+ double m_cosA;
+ double m_sinA;
+ int m_preShiftX;
+ int m_preShiftY;
+ int m_postShiftX;
+ int m_postShiftY;
+};
+
+template<class T> static inline IntPoint mapPoint(const IntPoint& p, const T& t)
+{
+ int x, y;
+ t.map(p.x(), p.y(), &x, &y);
+ return IntPoint(x, y);
+}
+
+template<class T> static inline FloatPoint mapPoint(const FloatPoint& p, const T& t)
+{
+ double x, y;
+ t.map(p.x(), p.y(), &x, &y);
+ return FloatPoint(static_cast<float>(x), static_cast<float>(y));
+}
+
+template<class Transform, class Rect, class Value> static inline Rect mapRect(const Rect& rect, const Transform& transform)
+{
+ Value x[4], y[4];
+ Value l, t, r, b;
+ r = rect.right() - 1;
+ b = rect.bottom() - 1;
+ transform.map(rect.x(), rect.y(), x, y);
+ transform.map(rect.x(), b, x + 1, y + 1);
+ transform.map(r, b, x + 2, y + 2);
+ transform.map(r, rect.y(), x + 3, y + 3);
+ l = r = x[3];
+ t = b = y[3];
+ for (int i = 0; i < 3; ++i) {
+ if (x[i] < l)
+ l = x[i];
+ else if (x[i] > r)
+ r = x[i];
+
+ if (y[i] < t)
+ t = y[i];
+ else if (y[i] > b)
+ b = y[i];
+ }
+
+ return IntRect(l, t, r - l + 1, b - t + 1);
+}
+
+template<class T> static inline IntRect mapRect(const IntRect& rect, const T& transform)
+{
+ return mapRect<T, IntRect, int>(rect, transform);
+}
+
+template<class T> static inline FloatRect mapRect(const FloatRect& rect, const T& transform)
+{
+ return mapRect<T, FloatRect, double>(rect, transform);
+}
+
+class GraphicsContextPlatformPrivateData {
+public:
+ GraphicsContextPlatformPrivateData()
+ : m_transform()
+ , m_opacity(1.0)
+ {
+ }
+
+ TransformationMatrix m_transform;
+ float m_opacity;
+ Vector<Path> m_paths;
+};
+
+enum AlphaPaintType {
+ AlphaPaintNone,
+ AlphaPaintImage,
+ AlphaPaintOther,
+};
+
+class GraphicsContextPlatformPrivate : public GraphicsContextPlatformPrivateData {
+public:
+ GraphicsContextPlatformPrivate(HDC dc)
+ : m_dc(dc)
+ {
+ }
+ ~GraphicsContextPlatformPrivate()
+ {
+ while (!m_backupData.isEmpty())
+ restore();
+ }
+
+ IntPoint origin() const
+ {
+ return IntPoint(stableRound(-m_transform.e()), stableRound(-m_transform.f()));
+ }
+
+ void translate(float x, float y)
+ {
+ m_transform.translate(x, y);
+ }
+
+ void scale(const FloatSize& size)
+ {
+ m_transform.scaleNonUniform(size.width(), size.height());
+ }
+
+ void rotate(float radians)
+ {
+ m_transform.rotate(rad2deg(radians));
+ }
+
+ void concatCTM(const TransformationMatrix& transform)
+ {
+ m_transform = transform * m_transform;
+ }
+
+ IntRect mapRect(const IntRect& rect) const
+ {
+ return m_transform.mapRect(rect);
+ }
+
+ FloatRect mapRect(const FloatRect& rect) const
+ {
+ return m_transform.mapRect(rect);
+ }
+
+ IntPoint mapPoint(const IntPoint& point) const
+ {
+ return m_transform.mapPoint(point);
+ }
+
+ FloatPoint mapPoint(const FloatPoint& point) const
+ {
+ return m_transform.mapPoint(point);
+ }
+
+ FloatSize mapSize(const FloatSize& size) const
+ {
+ double w, h;
+ m_transform.map(size.width(), size.height(), w, h);
+ return FloatSize(static_cast<float>(w), static_cast<float>(h));
+ }
+
+ void save()
+ {
+ if (m_dc)
+ SaveDC(m_dc);
+
+ m_backupData.append(*static_cast<GraphicsContextPlatformPrivateData*>(this));
+ }
+
+ void restore()
+ {
+ if (m_backupData.isEmpty())
+ return;
+
+ if (m_dc)
+ RestoreDC(m_dc, -1);
+
+ GraphicsContextPlatformPrivateData::operator=(m_backupData.last());
+ m_backupData.removeLast();
+ }
+
+ bool hasAlpha() const { return m_bitmap && m_bitmap->hasAlpha(); }
+
+ PassRefPtr<SharedBitmap> getTransparentLayerBitmap(IntRect& origRect, AlphaPaintType alphaPaint, RECT& bmpRect, bool checkClipBox, bool force) const
+ {
+ if (m_opacity <= 0)
+ return 0;
+
+ if (force || m_opacity < 1.) {
+ if (checkClipBox) {
+ RECT clipBox;
+ int clipType = GetClipBox(m_dc, &clipBox);
+ if (clipType == SIMPLEREGION || clipType == COMPLEXREGION)
+ origRect.intersect(clipBox);
+ if (origRect.isEmpty())
+ return 0;
+ }
+
+ RefPtr<SharedBitmap> bmp = SharedBitmap::createInstance(alphaPaint == AlphaPaintNone, origRect.width(), origRect.height(), false);
+ SetRect(&bmpRect, 0, 0, origRect.width(), origRect.height());
+ if (bmp) {
+ switch (alphaPaint) {
+ case AlphaPaintNone:
+ case AlphaPaintImage:
+ {
+ SharedBitmap::DCHolder dc(bmp.get());
+ if (dc.get()) {
+ BitBlt(dc.get(), 0, 0, origRect.width(), origRect.height(), m_dc, origRect.x(), origRect.y(), SRCCOPY);
+ if (bmp->is32bit() && (!m_bitmap || m_bitmap->is16bit())) {
+ // Set alpha channel
+ unsigned* pixels = (unsigned*)bmp->bytes();
+ const unsigned* const pixelsEnd = pixels + bmp->bitmapInfo().numPixels();
+ while (pixels < pixelsEnd) {
+ *pixels |= 0xFF000000;
+ ++pixels;
+ }
+ }
+ return bmp;
+ }
+ }
+ break;
+ //case AlphaPaintOther:
+ default:
+ memset(bmp->bytes(), 0xFF, bmp->bitmapInfo().numPixels() * 4);
+ return bmp;
+ break;
+ }
+ }
+ }
+
+ bmpRect = origRect;
+ return 0;
+ }
+
+ void paintBackTransparentLayerBitmap(HDC hdc, SharedBitmap* bmp, const IntRect& origRect, AlphaPaintType alphaPaint, const RECT& bmpRect)
+ {
+ if (hdc == m_dc)
+ return;
+
+#if !defined(NO_ALPHABLEND)
+ if (alphaPaint == AlphaPaintOther) {
+ ASSERT(bmp && bmp->bytes() && bmp->is32bit());
+ unsigned* pixels = (unsigned*)bmp->bytes();
+ const unsigned* const pixelsEnd = pixels + bmp->bitmapInfo().numPixels();
+ while (pixels < pixelsEnd) {
+ *pixels ^= 0xFF000000;
+ ++pixels;
+ }
+ }
+ if (m_opacity < 1. || alphaPaint == AlphaPaintOther) {
+ const BLENDFUNCTION blend = { AC_SRC_OVER, 0
+ , m_opacity >= 1. ? 255 : (BYTE)(m_opacity * 255)
+ , alphaPaint == AlphaPaintNone ? 0 : AC_SRC_ALPHA };
+ AlphaBlend(m_dc, origRect.x(), origRect.y(), origRect.width(), origRect.height(), hdc, 0, 0, bmpRect.right, bmpRect.bottom, blend);
+ } else
+#endif
+ StretchBlt(m_dc, origRect.x(), origRect.y(), origRect.width(), origRect.height(), hdc, 0, 0, bmpRect.right, bmpRect.bottom, SRCCOPY);
+ }
+
+ HDC m_dc;
+ RefPtr<SharedBitmap> m_bitmap;
+ Vector<GraphicsContextPlatformPrivateData> m_backupData;
+};
+
+static HPEN createPen(const Color& col, double fWidth, StrokeStyle style)
+{
+ int width = stableRound(fWidth);
+ if (width < 1)
+ width = 1;
+
+ int penStyle = PS_NULL;
+ switch (style) {
+ case SolidStroke:
+ penStyle = PS_SOLID;
+ break;
+ case DottedStroke: // not supported on Windows CE
+ case DashedStroke:
+ penStyle = PS_DASH;
+ width = 1;
+ break;
+ default:
+ break;
+ }
+
+ return CreatePen(penStyle, width, RGB(col.red(), col.green(), col.blue()));
+}
+
+static inline HGDIOBJ createBrush(const Color& col)
+{
+ return CreateSolidBrush(RGB(col.red(), col.green(), col.blue()));
+}
+
+template <typename PixelType, bool Is16bit> static void _rotateBitmap(SharedBitmap* destBmp, const SharedBitmap* sourceBmp, const RotationTransform& transform)
+{
+ int destW = destBmp->width();
+ int destH = destBmp->height();
+ int sourceW = sourceBmp->width();
+ int sourceH = sourceBmp->height();
+ PixelType* dest = (PixelType*)destBmp->bytes();
+ const PixelType* source = (const PixelType*)sourceBmp->bytes();
+ int padding;
+ int paddedSourceW;
+ if (Is16bit) {
+ padding = destW & 1;
+ paddedSourceW = sourceW + (sourceW & 1);
+ } else {
+ padding = 0;
+ paddedSourceW = sourceW;
+ }
+ if (isZero(transform.m_sinA)) {
+ int cosA = transform.m_cosA > 0 ? 1 : -1;
+ for (int y = 0; y < destH; ++y) {
+ for (int x = 0; x < destW; ++x) {
+ int x1 = x + transform.m_preShiftX;
+ int y1 = y + transform.m_preShiftY;
+ int srcX = x1 * cosA + transform.m_postShiftX;
+ int srcY = y1 * cosA - transform.m_postShiftY;
+ if (srcX >= 0 && srcX <= sourceW && srcY >= 0 && srcY <= sourceH)
+ *dest++ = source[srcY * paddedSourceW + srcX] | 0xFF000000;
+ else
+ *dest++ |= 0xFF;
+ }
+ dest += padding;
+ }
+ } else if (isZero(transform.m_cosA)) {
+ int sinA = transform.m_sinA > 0 ? 1 : -1;
+ for (int y = 0; y < destH; ++y) {
+ for (int x = 0; x < destW; ++x) {
+ int x1 = x + transform.m_preShiftX;
+ int y1 = y + transform.m_preShiftY;
+ int srcX = y1 * sinA + transform.m_postShiftX;
+ int srcY = -x1 * sinA + transform.m_postShiftY;
+ if (srcX >= 0 && srcX <= sourceW && srcY >= 0 && srcY <= sourceH)
+ *dest++ = source[srcY * paddedSourceW + srcX];
+ }
+ dest += padding;
+ }
+ } else {
+ for (int y = 0; y < destH; ++y) {
+ for (int x = 0; x < destW; ++x) {
+ // FIXME: for best quality, we should get weighted sum of four neighbours,
+ // but that will be too expensive
+ int srcX, srcY;
+ transform.map(x, y, &srcX, &srcY);
+ if (srcX >= 0 && srcX <= sourceW && srcY >= 0 && srcY <= sourceH)
+ *dest++ = source[srcY * paddedSourceW + srcX];
+ }
+ dest += padding;
+ }
+ }
+}
+
+static void rotateBitmap(SharedBitmap* destBmp, const SharedBitmap* sourceBmp, const RotationTransform& transform)
+{
+ ASSERT(destBmp->is16bit() == sourceBmp->is16bit());
+ if (destBmp->is16bit())
+ _rotateBitmap<unsigned short, true>(destBmp, sourceBmp, transform);
+ else
+ _rotateBitmap<unsigned, false>(destBmp, sourceBmp, transform);
+}
+
+class TransparentLayerDC : Noncopyable {
+public:
+ TransparentLayerDC(GraphicsContextPlatformPrivate* data, IntRect& origRect, const IntRect* rectBeforeTransform = 0, int alpha = 255, bool paintImage = false);
+ ~TransparentLayerDC();
+
+ HDC hdc() const { return m_memDc; }
+ const RECT& rect() const { return m_bmpRect; }
+ IntSize toShift() const { return IntSize(m_bmpRect.left - m_origRect.x(), m_bmpRect.top - m_origRect.y()); }
+ void fillAlphaChannel();
+
+private:
+ GraphicsContextPlatformPrivate* m_data;
+ IntRect m_origRect;
+ IntRect m_rotatedOrigRect;
+ HDC m_memDc;
+ RefPtr<SharedBitmap> m_bitmap;
+ RefPtr<SharedBitmap> m_rotatedBitmap;
+ RECT m_bmpRect;
+ unsigned m_key1;
+ unsigned m_key2;
+ RotationTransform m_rotation;
+ float m_oldOpacity;
+ AlphaPaintType m_alphaPaintType;
+};
+
+TransparentLayerDC::TransparentLayerDC(GraphicsContextPlatformPrivate* data, IntRect& origRect, const IntRect* rectBeforeTransform, int alpha, bool paintImage)
+: m_data(data)
+, m_origRect(origRect)
+, m_oldOpacity(data->m_opacity)
+// m_key1 and m_key2 are not initalized here. They are used only in the case that
+// SharedBitmap::getDC() is called, I.E., when m_bitmap is not null.
+{
+ m_data->m_opacity *= alpha / 255.;
+ bool mustCreateLayer;
+ if (!m_data->hasAlpha()) {
+ mustCreateLayer = false;
+ m_alphaPaintType = AlphaPaintNone;
+ } else {
+ mustCreateLayer = true;
+ m_alphaPaintType = paintImage ? AlphaPaintImage : AlphaPaintOther;
+ }
+ if (rectBeforeTransform && !isZero(m_data->m_transform.b())) {
+ m_rotatedOrigRect = origRect;
+ m_rotatedBitmap = m_data->getTransparentLayerBitmap(m_rotatedOrigRect, m_alphaPaintType, m_bmpRect, false, true);
+ if (m_rotatedBitmap) {
+ double a = m_data->m_transform.a();
+ double b = m_data->m_transform.b();
+ double c = _hypot(a, b);
+ m_rotation.m_cosA = a / c;
+ m_rotation.m_sinA = b / c;
+
+ int centerX = origRect.x() + origRect.width() / 2;
+ int centerY = origRect.y() + origRect.height() / 2;
+ m_rotation.m_preShiftX = -centerX;
+ m_rotation.m_preShiftY = -centerY;
+ m_rotation.m_postShiftX = centerX;
+ m_rotation.m_postShiftY = centerY;
+
+ m_origRect = mapRect(m_rotatedOrigRect, m_rotation);
+
+ m_rotation.m_preShiftX += m_rotatedOrigRect.x();
+ m_rotation.m_preShiftY += m_rotatedOrigRect.y();
+ m_rotation.m_postShiftX -= m_origRect.x();
+ m_rotation.m_postShiftY -= m_origRect.y();
+
+ FloatPoint topLeft = m_data->m_transform.mapPoint(FloatPoint(rectBeforeTransform->topLeft()));
+ FloatPoint topRight(rectBeforeTransform->right() - 1, rectBeforeTransform->y());
+ topRight = m_data->m_transform.mapPoint(topRight);
+ FloatPoint bottomLeft(rectBeforeTransform->x(), rectBeforeTransform->bottom() - 1);
+ bottomLeft = m_data->m_transform.mapPoint(bottomLeft);
+ FloatSize sideTop = topRight - topLeft;
+ FloatSize sideLeft = bottomLeft - topLeft;
+ float width = _hypot(sideTop.width() + 1, sideTop.height() + 1);
+ float height = _hypot(sideLeft.width() + 1, sideLeft.height() + 1);
+
+ origRect.inflateX(stableRound((width - origRect.width()) * 0.5));
+ origRect.inflateY(stableRound((height - origRect.height()) * 0.5));
+
+ m_bitmap = SharedBitmap::createInstance(m_rotatedBitmap->is16bit(), m_origRect.width(), m_origRect.height(), true);
+ if (m_bitmap)
+ rotateBitmap(m_bitmap.get(), m_rotatedBitmap.get(), -m_rotation);
+ else
+ m_rotatedBitmap = 0;
+ }
+ } else
+ m_bitmap = m_data->getTransparentLayerBitmap(m_origRect, m_alphaPaintType, m_bmpRect, true, mustCreateLayer);
+ if (m_bitmap)
+ m_memDc = m_bitmap->getDC(&m_key1, &m_key2);
+ else
+ m_memDc = m_data->m_dc;
+}
+
+TransparentLayerDC::~TransparentLayerDC()
+{
+ if (m_rotatedBitmap) {
+ m_bitmap->releaseDC(m_memDc, m_key1, m_key2);
+ m_key1 = m_key2 = 0;
+ rotateBitmap(m_rotatedBitmap.get(), m_bitmap.get(), m_rotation);
+ m_memDc = m_rotatedBitmap->getDC(&m_key1, &m_key2);
+ m_data->paintBackTransparentLayerBitmap(m_memDc, m_rotatedBitmap.get(), m_rotatedOrigRect, m_alphaPaintType, m_bmpRect);
+ m_rotatedBitmap->releaseDC(m_memDc, m_key1, m_key2);
+ } else if (m_bitmap) {
+ m_data->paintBackTransparentLayerBitmap(m_memDc, m_bitmap.get(), m_origRect, m_alphaPaintType, m_bmpRect);
+ m_bitmap->releaseDC(m_memDc, m_key1, m_key2);
+ }
+ m_data->m_opacity = m_oldOpacity;
+}
+
+void TransparentLayerDC::fillAlphaChannel()
+{
+ if (!m_bitmap || !m_bitmap->is32bit())
+ return;
+
+ unsigned* pixels = (unsigned*)m_bitmap->bytes();
+ const unsigned* const pixelsEnd = pixels + m_bitmap->bitmapInfo().numPixels();
+ while (pixels < pixelsEnd) {
+ *pixels |= 0xFF000000;
+ ++pixels;
+ }
+}
+
+class ScopeDCProvider : Noncopyable {
+public:
+ explicit ScopeDCProvider(GraphicsContextPlatformPrivate* data)
+ : m_data(data)
+ {
+ if (m_data->m_bitmap)
+ m_data->m_dc = m_data->m_bitmap->getDC(&m_key1, &m_key2);
+ }
+ ~ScopeDCProvider()
+ {
+ if (m_data->m_bitmap) {
+ m_data->m_bitmap->releaseDC(m_data->m_dc, m_key1, m_key2);
+ m_data->m_dc = 0;
+ }
+ }
+private:
+ GraphicsContextPlatformPrivate* m_data;
+ unsigned m_key1;
+ unsigned m_key2;
+};
+
+
+GraphicsContext::GraphicsContext(PlatformGraphicsContext* dc)
+: m_common(createGraphicsContextPrivate())
+, m_data(new GraphicsContextPlatformPrivate(dc))
+{
+}
+
+GraphicsContext::~GraphicsContext()
+{
+ destroyGraphicsContextPrivate(m_common);
+ delete m_data;
+}
+
+void GraphicsContext::setBitmap(PassRefPtr<SharedBitmap> bmp)
+{
+ ASSERT(!m_data->m_dc);
+ m_data->m_bitmap = bmp;
+}
+
+HDC GraphicsContext::getWindowsContext(const IntRect& dstRect, bool supportAlphaBlend, bool mayCreateBitmap)
+{
+ notImplemented();
+ ASSERT_NOT_REACHED();
+ return 0;
+}
+
+void GraphicsContext::releaseWindowsContext(HDC hdc, const IntRect& dstRect, bool supportAlphaBlend, bool mayCreateBitmap)
+{
+ notImplemented();
+ ASSERT_NOT_REACHED();
+}
+
+void GraphicsContext::savePlatformState()
+{
+ m_data->save();
+}
+
+void GraphicsContext::restorePlatformState()
+{
+ m_data->restore();
+}
+
+void GraphicsContext::drawRect(const IntRect& rect)
+{
+ if (!m_data->m_opacity || paintingDisabled() || rect.isEmpty())
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ HGDIOBJ brush = 0;
+ HGDIOBJ oldBrush;
+ if (fillColor().alpha()) {
+ brush = createBrush(fillColor());
+ oldBrush = SelectObject(dc, brush);
+ } else
+ SelectObject(dc, GetStockObject(NULL_BRUSH));
+
+ HGDIOBJ pen = 0;
+ HGDIOBJ oldPen;
+ if (strokeStyle() != NoStroke) {
+ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ oldPen = SelectObject(dc, pen);
+ } else
+ SelectObject(dc, GetStockObject(NULL_PEN));
+
+ if (!brush && !pen)
+ return;
+
+ if (trRect.width() <= 0)
+ trRect.setWidth(1);
+ if (trRect.height() <= 0)
+ trRect.setHeight(1);
+
+ Rectangle(dc, trRect.x(), trRect.y(), trRect.right(), trRect.bottom());
+
+ if (pen) {
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+ }
+
+ if (brush) {
+ SelectObject(dc, oldBrush);
+ DeleteObject(brush);
+ }
+}
+
+void GraphicsContext::drawLine(const IntPoint& point1, const IntPoint& point2)
+{
+ if (!m_data->m_opacity || paintingDisabled() || strokeStyle() == NoStroke || !strokeColor().alpha())
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntPoint trPoint1 = m_data->mapPoint(point1);
+ IntPoint trPoint2 = m_data->mapPoint(point2);
+
+ IntRect lineRect(trPoint1, trPoint2 - trPoint1);
+ lineRect.setHeight(lineRect.height() + strokeThickness());
+ TransparentLayerDC transparentDC(m_data, lineRect, 0, strokeColor().alpha());
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trPoint1 += transparentDC.toShift();
+ trPoint2 += transparentDC.toShift();
+
+ HGDIOBJ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ HGDIOBJ oldPen = SelectObject(dc, pen);
+
+ MoveToEx(dc, trPoint1.x(), trPoint1.y(), 0);
+ LineTo(dc, trPoint2.x(), trPoint2.y());
+
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+}
+
+void GraphicsContext::drawEllipse(const IntRect& rect)
+{
+ if (!m_data->m_opacity || paintingDisabled() || (!fillColor().alpha() && strokeStyle() == NoStroke))
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ HGDIOBJ brush = 0;
+ HGDIOBJ oldBrush;
+ if (fillColor().alpha()) {
+ brush = createBrush(fillColor());
+ oldBrush = SelectObject(dc, brush);
+ } else
+ SelectObject(dc, GetStockObject(NULL_BRUSH));
+ HGDIOBJ pen = 0;
+ HGDIOBJ oldPen;
+ if (strokeStyle() != NoStroke) {
+ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ oldPen = SelectObject(dc, pen);
+ } else
+ SelectObject(dc, GetStockObject(NULL_PEN));
+
+ Ellipse(dc, trRect.x(), trRect.y(), trRect.right(), trRect.bottom());
+
+ if (pen) {
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+ }
+
+ if (brush) {
+ SelectObject(dc, oldBrush);
+ DeleteObject(brush);
+ }
+}
+
+static inline bool equalAngle(double a, double b)
+{
+ return fabs(a - b) < 1E-5;
+}
+
+void getEllipsePointByAngle(double angle, double a, double b, float& x, float& y)
+{
+ while (angle < 0)
+ angle += 2 * piDouble;
+ while (angle >= 2 * piDouble)
+ angle -= 2 * piDouble;
+
+ if (equalAngle(angle, 0) || equalAngle(angle, 2 * piDouble)) {
+ x = a;
+ y = 0;
+ } else if (equalAngle(angle, piDouble)) {
+ x = -a;
+ y = 0;
+ } else if (equalAngle(angle, .5 * piDouble)) {
+ x = 0;
+ y = b;
+ } else if (equalAngle(angle, 1.5 * piDouble)) {
+ x = 0;
+ y = -b;
+ } else {
+ double k = tan(angle);
+ double sqA = a * a;
+ double sqB = b * b;
+ double tmp = 1. / (1. / sqA + (k * k) / sqB);
+ tmp = tmp <= 0 ? 0 : sqrt(tmp);
+ if (angle > .5 * piDouble && angle < 1.5 * piDouble)
+ tmp = -tmp;
+ x = tmp;
+
+ k = tan(.5 * piDouble - angle);
+ tmp = 1. / ((k * k) / sqA + 1 / sqB);
+ tmp = tmp <= 0 ? 0 : sqrt(tmp);
+ if (angle > piDouble)
+ tmp = -tmp;
+ y = tmp;
+ }
+}
+
+void GraphicsContext::strokeArc(const IntRect& rect, int startAngle, int angleSpan)
+{
+ if (!m_data->m_opacity || paintingDisabled() || strokeStyle() == NoStroke || rect.isEmpty())
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ HGDIOBJ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ HGDIOBJ oldPen = SelectObject(dc, pen);
+
+ double a = trRect.width() * 0.5;
+ double b = trRect.height() * 0.5;
+ int centerX = stableRound(trRect.x() + a);
+ int centerY = stableRound(trRect.y() + b);
+ float fstartX, fstartY, fendX, fendY;
+ int startX, startY, endX, endY;
+ getEllipsePointByAngle(deg2rad((double)startAngle), a, b, fstartX, fstartY);
+ getEllipsePointByAngle(deg2rad((double)startAngle + angleSpan), a, b, fendX, fendY);
+ startX = stableRound(fstartX);
+ startY = stableRound(fstartY);
+ endX = stableRound(fendX);
+ endY = stableRound(fendY);
+
+ startX += centerX;
+ startY = centerY - startY;
+ endX += centerX;
+ endY = centerY - endY;
+ RECT clipRect;
+ if (startX < endX) {
+ clipRect.left = startX;
+ clipRect.right = endX;
+ } else {
+ clipRect.left = endX;
+ clipRect.right = startX;
+ }
+ if (startY < endY) {
+ clipRect.top = startY;
+ clipRect.bottom = endY;
+ } else {
+ clipRect.top = endY;
+ clipRect.bottom = startY;
+ }
+
+ OwnPtr<HRGN> clipRgn(CreateRectRgn(0, 0, 0, 0));
+ bool newClip;
+ if (GetClipRgn(dc, clipRgn.get()) <= 0) {
+ newClip = true;
+ clipRgn.set(CreateRectRgn(clipRect.left, clipRect.top, clipRect.right, clipRect.bottom));
+ SelectClipRgn(dc, clipRgn.get());
+ } else {
+ newClip = false;
+ IntersectClipRect(dc, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom);
+ }
+
+ HGDIOBJ oldBrush = SelectObject(dc, GetStockObject(NULL_BRUSH));
+ Ellipse(dc, trRect.x(), trRect.y(), trRect.right(), trRect.bottom());
+ SelectObject(dc, oldBrush);
+
+ if (newClip)
+ SelectClipRgn(dc, 0);
+ else
+ SelectClipRgn(dc, clipRgn.get());
+
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+}
+
+void GraphicsContext::drawConvexPolygon(size_t npoints, const FloatPoint* points, bool shouldAntialias)
+{
+ if (!m_data->m_opacity || paintingDisabled() || npoints <= 1 || !points)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ Vector<POINT, 20> winPoints(npoints);
+ FloatPoint trPoint = m_data->mapPoint(points[0]);
+ winPoints[0].x = stableRound(trPoint.x());
+ winPoints[0].y = stableRound(trPoint.y());
+ RECT rect = { winPoints[0].x, winPoints[0].y, winPoints[0].x, winPoints[0].y };
+ for (size_t i = 1; i < npoints; ++i) {
+ trPoint = m_data->mapPoint(points[i]);
+ winPoints[i].x = stableRound(trPoint.x());
+ winPoints[i].y = stableRound(trPoint.y());
+ if (rect.left > winPoints[i].x)
+ rect.left = winPoints[i].x;
+ else if (rect.right < winPoints[i].x)
+ rect.right = winPoints[i].x;
+ if (rect.top > winPoints[i].y)
+ rect.top = winPoints[i].y;
+ else if (rect.bottom < winPoints[i].y)
+ rect.bottom = winPoints[i].y;
+ }
+ rect.bottom += 1;
+ rect.right += 1;
+
+ IntRect intRect(rect);
+ TransparentLayerDC transparentDC(m_data, intRect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+
+ for (size_t i = 0; i < npoints; ++i) {
+ winPoints[i].x += transparentDC.toShift().width();
+ winPoints[i].y += transparentDC.toShift().height();
+ }
+
+ HGDIOBJ brush = 0;
+ HGDIOBJ oldBrush;
+ if (fillColor().alpha()) {
+ brush = createBrush(fillColor());
+ oldBrush = SelectObject(dc, brush);
+ } else
+ SelectObject(dc, GetStockObject(NULL_BRUSH));
+
+ HGDIOBJ pen = 0;
+ HGDIOBJ oldPen;
+ if (strokeStyle() != NoStroke) {
+ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ oldPen = SelectObject(dc, pen);
+ } else
+ SelectObject(dc, GetStockObject(NULL_PEN));
+
+ if (!brush && !pen)
+ return;
+
+ Polygon(dc, winPoints.data(), npoints);
+
+ if (pen) {
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+ }
+
+ if (brush) {
+ SelectObject(dc, oldBrush);
+ DeleteObject(brush);
+ }
+}
+
+void GraphicsContext::fillRect(const FloatRect& rect, const Color& color)
+{
+ if (paintingDisabled() || !m_data->m_opacity)
+ return;
+
+ int alpha = color.alpha();
+ if (!alpha)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect intRect = enclosingIntRect(rect);
+ TransparentLayerDC transparentDC(m_data, m_data->mapRect(intRect), &intRect, alpha);
+
+ if (!transparentDC.hdc())
+ return;
+
+ OwnPtr<HBRUSH> hbrush(CreateSolidBrush(RGB(color.red(), color.green(), color.blue())));
+ FillRect(transparentDC.hdc(), &transparentDC.rect(), hbrush.get());
+}
+
+void GraphicsContext::clip(const FloatRect& rect)
+{
+ if (paintingDisabled())
+ return;
+
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = enclosingIntRect(m_data->mapRect(rect));
+
+ OwnPtr<HRGN> clipRgn(CreateRectRgn(0, 0, 0, 0));
+ if (GetClipRgn(m_data->m_dc, clipRgn.get()) > 0)
+ IntersectClipRect(m_data->m_dc, trRect.x(), trRect.y(), trRect.right(), trRect.bottom());
+ else {
+ clipRgn.set(CreateRectRgn(trRect.x(), trRect.y(), trRect.right(), trRect.bottom()));
+ SelectClipRgn(m_data->m_dc, clipRgn.get());
+ }
+}
+
+void GraphicsContext::clipOut(const IntRect& rect)
+{
+ if (paintingDisabled())
+ return;
+
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+
+ ExcludeClipRect(m_data->m_dc, trRect.x(), trRect.y(), trRect.right(), trRect.bottom());
+}
+
+void GraphicsContext::drawFocusRing(const Color& color)
+{
+ if (!m_data->m_opacity || paintingDisabled())
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ int radius = (focusRingWidth() - 1) / 2;
+ int offset = radius + focusRingOffset();
+
+ const Vector<IntRect>& rects = focusRingRects();
+ unsigned rectCount = rects.size();
+ IntRect finalFocusRect;
+ for (unsigned i = 0; i < rectCount; i++) {
+ IntRect focusRect = rects[i];
+ focusRect.inflate(offset);
+ finalFocusRect.unite(focusRect);
+ }
+
+ IntRect intRect = finalFocusRect;
+ IntRect trRect = m_data->mapRect(finalFocusRect);
+ TransparentLayerDC transparentDC(m_data, trRect, &intRect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ RECT rect = trRect;
+ DrawFocusRect(dc, &rect);
+}
+
+void GraphicsContext::drawLineForText(const IntPoint& origin, int width, bool printing)
+{
+ if (paintingDisabled())
+ return;
+
+ StrokeStyle oldStyle = strokeStyle();
+ setStrokeStyle(SolidStroke);
+ drawLine(origin, origin + IntSize(width, 0));
+ setStrokeStyle(oldStyle);
+}
+
+void GraphicsContext::drawLineForMisspellingOrBadGrammar(const IntPoint&, int width, bool grammar)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setPlatformFillColor(const Color& col)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setPlatformStrokeColor(const Color& col)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setPlatformStrokeThickness(float strokeThickness)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setURLForRect(const KURL& link, const IntRect& destRect)
+{
+ notImplemented();
+}
+
+void GraphicsContext::addInnerRoundedRectClip(const IntRect& rect, int thickness)
+{
+ // We can only clip rectangles on WINCE
+ clip(rect);
+}
+
+void GraphicsContext::clearRect(const FloatRect& rect)
+{
+ if (paintingDisabled())
+ return;
+
+ if (m_data->hasAlpha()) {
+ IntRect trRect = enclosingIntRect(m_data->mapRect(rect));
+ m_data->m_bitmap->clearPixels(trRect);
+ return;
+ }
+
+ fillRect(rect, Color(Color::white));
+}
+
+void GraphicsContext::strokeRect(const FloatRect& rect, float width)
+{
+ if (!m_data->m_opacity || paintingDisabled() || strokeStyle() == NoStroke)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect intRect = enclosingIntRect(rect);
+ IntRect trRect = m_data->mapRect(intRect);
+ TransparentLayerDC transparentDC(m_data, trRect, &intRect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ HGDIOBJ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ HGDIOBJ oldPen = SelectObject(dc, pen);
+
+ int right = trRect.right() - 1;
+ int bottom = trRect.bottom() - 1;
+ const POINT intPoints[5] =
+ {
+ { trRect.x(), trRect.y() },
+ { right, trRect.y() },
+ { right, bottom },
+ { trRect.x(), bottom },
+ { trRect.x(), trRect.y() }
+ };
+
+ Polyline(dc, intPoints, 5);
+
+ SelectObject(dc, oldPen);
+ DeleteObject(pen);
+}
+
+void GraphicsContext::beginTransparencyLayer(float opacity)
+{
+ m_data->save();
+ m_data->m_opacity *= opacity;
+}
+
+void GraphicsContext::endTransparencyLayer()
+{
+ m_data->restore();
+}
+
+void GraphicsContext::concatCTM(const TransformationMatrix& transform)
+{
+ m_data->concatCTM(transform);
+}
+
+TransformationMatrix& GraphicsContext::affineTransform()
+{
+ return m_data->m_transform;
+}
+
+const TransformationMatrix& GraphicsContext::affineTransform() const
+{
+ return m_data->m_transform;
+}
+
+void GraphicsContext::resetAffineTransform()
+{
+ m_data->m_transform.makeIdentity();
+}
+
+void GraphicsContext::translate(float x, float y)
+{
+ m_data->translate(x, y);
+}
+
+void GraphicsContext::rotate(float radians)
+{
+ m_data->rotate(radians);
+}
+
+IntPoint GraphicsContext::origin()
+{
+ return m_data->origin();
+}
+
+void GraphicsContext::scale(const FloatSize& size)
+{
+ m_data->scale(size);
+}
+
+void GraphicsContext::setLineCap(LineCap lineCap)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setLineJoin(LineJoin lineJoin)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setMiterLimit(float miter)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setAlpha(float alpha)
+{
+ m_data->m_opacity = alpha;
+}
+
+void GraphicsContext::setCompositeOperation(CompositeOperator op)
+{
+ notImplemented();
+}
+
+void GraphicsContext::beginPath()
+{
+ m_data->m_paths.clear();
+}
+
+void GraphicsContext::addPath(const Path& path)
+{
+ m_data->m_paths.append(path);
+}
+
+void GraphicsContext::clip(const Path& path)
+{
+ notImplemented();
+}
+
+void GraphicsContext::clipOut(const Path&)
+{
+ notImplemented();
+}
+
+void GraphicsContext::clipOutEllipseInRect(const IntRect&)
+{
+ notImplemented();
+}
+
+static inline IntPoint rectCenterPoint(const RECT& rect)
+{
+ return IntPoint(rect.left + (rect.right - rect.left) / 2, rect.top + (rect.bottom - rect.top) / 2);
+}
+void GraphicsContext::fillRoundedRect(const IntRect& fillRect, const IntSize& topLeft, const IntSize& topRight, const IntSize& bottomLeft, const IntSize& bottomRight, const Color& c)
+{
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntSize shadowSize;
+ int shadowBlur = 0;
+ Color shadowColor;
+
+ getShadow(shadowSize, shadowBlur, shadowColor);
+
+ IntRect dstRect = fillRect;
+
+ dstRect.move(shadowSize);
+ dstRect.inflate(shadowBlur);
+ dstRect = m_data->mapRect(dstRect);
+
+ FloatSize newTopLeft(m_data->mapSize(topLeft));
+ FloatSize newTopRight(m_data->mapSize(topRight));
+ FloatSize newBottomLeft(m_data->mapSize(bottomLeft));
+ FloatSize newBottomRight(m_data->mapSize(bottomRight));
+
+ TransparentLayerDC transparentDc(m_data, dstRect, &fillRect);
+ HDC dc = transparentDc.hdc();
+ if (!dc)
+ return;
+
+ dstRect.move(transparentDc.toShift());
+
+ RECT rectWin = dstRect;
+
+ HGDIOBJ brush = createBrush(shadowColor);
+ HGDIOBJ oldBrush = SelectObject(dc, brush);
+
+ SelectObject(dc, GetStockObject(NULL_PEN));
+
+ IntPoint centerPoint = rectCenterPoint(rectWin);
+ // Draw top left half
+ RECT clipRect(rectWin);
+ clipRect.right = centerPoint.x();
+ clipRect.bottom = centerPoint.y();
+
+ OwnPtr<HRGN> clipRgn(CreateRectRgn(0, 0, 0, 0));
+ bool needsNewClip = (GetClipRgn(dc, clipRgn.get()) <= 0);
+
+ drawRoundCorner(needsNewClip, clipRect, rectWin, dc, stableRound(newTopLeft.width() * 2), stableRound(newTopLeft.height() * 2));
+
+ // Draw top right
+ clipRect = rectWin;
+ clipRect.left = centerPoint.x();
+ clipRect.bottom = centerPoint.y();
+
+ drawRoundCorner(needsNewClip, clipRect, rectWin, dc, stableRound(newTopRight.width() * 2), stableRound(newTopRight.height() * 2));
+
+ // Draw bottom left
+ clipRect = rectWin;
+ clipRect.right = centerPoint.x();
+ clipRect.top = centerPoint.y();
+
+ drawRoundCorner(needsNewClip, clipRect, rectWin, dc, stableRound(newBottomLeft.width() * 2), stableRound(newBottomLeft.height() * 2));
+
+ // Draw bottom right
+ clipRect = rectWin;
+ clipRect.left = centerPoint.x();
+ clipRect.top = centerPoint.y();
+
+ drawRoundCorner(needsNewClip, clipRect, rectWin, dc, stableRound(newBottomRight.width() * 2), stableRound(newBottomRight.height() * 2));
+
+ SelectObject(dc, oldBrush);
+ DeleteObject(brush);
+}
+
+
+void GraphicsContext::drawRoundCorner(bool needsNewClip, RECT clipRect, RECT rectWin, HDC dc, int width, int height)
+{
+ if (!dc)
+ return;
+
+ OwnPtr<HRGN> clipRgn(CreateRectRgn(0, 0, 0, 0));
+ if (needsNewClip) {
+ clipRgn.set(CreateRectRgn(clipRect.left, clipRect.top, clipRect.right, clipRect.bottom));
+ SelectClipRgn(dc, clipRgn.get());
+ } else
+ IntersectClipRect(dc, clipRect.left, clipRect.top, clipRect.right, clipRect.bottom);
+
+ ::RoundRect(dc, rectWin.left , rectWin.top , rectWin.right , rectWin.bottom , width, height);
+
+ SelectClipRgn(dc, needsNewClip ? 0 : clipRgn.get());
+}
+
+
+FloatRect GraphicsContext::roundToDevicePixels(const FloatRect& frect)
+{
+ notImplemented();
+ return frect;
+}
+
+Color gradientAverageColor(const Gradient* gradient)
+{
+ const Vector<Gradient::ColorStop>& stops = gradient->getStops();
+ if (stops.isEmpty())
+ return Color();
+
+ const Gradient::ColorStop& stop = stops.first();
+ if (stops.size() == 1)
+ return Color(stop.red, stop.green, stop.blue, stop.alpha);
+
+ const Gradient::ColorStop& lastStop = stops.last();
+ return Color((stop.red + lastStop.red) * 0.5f
+ , (stop.green + lastStop.green) * 0.5f
+ , (stop.blue + lastStop.blue) * 0.5f
+ , (stop.alpha + lastStop.alpha) * 0.5f);
+}
+
+void GraphicsContext::fillPath()
+{
+ Color c = m_common->state.fillColorSpace == GradientColorSpace && m_common->state.fillGradient
+ ? gradientAverageColor(m_common->state.fillGradient.get())
+ : fillColor();
+
+ if (!c.alpha() || !m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ if (m_data->m_opacity < 1.0f || m_data->hasAlpha()) {
+ HGDIOBJ brush = createBrush(c);
+ for (Vector<Path>::const_iterator i = m_data->m_paths.begin(); i != m_data->m_paths.end(); ++i) {
+ IntRect trRect = enclosingIntRect(m_data->mapRect(i->boundingRect()));
+ trRect.inflate(1);
+ TransparentLayerDC transparentDC(m_data, trRect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ continue;
+
+ TransformationMatrix tr = m_data->m_transform;
+ tr.translate(transparentDC.toShift().width(), transparentDC.toShift().height());
+
+ SelectObject(dc, GetStockObject(NULL_PEN));
+ HGDIOBJ oldBrush = SelectObject(dc, brush);
+ i->platformPath()->fillPath(dc, &tr);
+ SelectObject(dc, oldBrush);
+ }
+ DeleteObject(brush);
+ } else {
+ SelectObject(m_data->m_dc, GetStockObject(NULL_PEN));
+ HGDIOBJ brush = createBrush(c);
+ HGDIOBJ oldBrush = SelectObject(m_data->m_dc, brush);
+ for (Vector<Path>::const_iterator i = m_data->m_paths.begin(); i != m_data->m_paths.end(); ++i)
+ i->platformPath()->fillPath(m_data->m_dc, &m_data->m_transform);
+ SelectObject(m_data->m_dc, oldBrush);
+ DeleteObject(brush);
+ }
+}
+
+
+void GraphicsContext::strokePath()
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ if (m_data->m_opacity < 1.0f || m_data->hasAlpha()) {
+ HGDIOBJ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ for (Vector<Path>::const_iterator i = m_data->m_paths.begin(); i != m_data->m_paths.end(); ++i) {
+ IntRect trRect = enclosingIntRect(m_data->mapRect(i->boundingRect()));
+ trRect.inflate(1);
+ TransparentLayerDC transparentDC(m_data, trRect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ continue;
+
+ TransformationMatrix tr = m_data->m_transform;
+ tr.translate(transparentDC.toShift().width(), transparentDC.toShift().height());
+
+ SelectObject(dc, GetStockObject(NULL_BRUSH));
+ HGDIOBJ oldPen = SelectObject(dc, pen);
+ i->platformPath()->strokePath(dc, &tr);
+ SelectObject(dc, oldPen);
+ }
+ DeleteObject(pen);
+ } else {
+ SelectObject(m_data->m_dc, GetStockObject(NULL_BRUSH));
+ HGDIOBJ pen = createPen(strokeColor(), strokeThickness(), strokeStyle());
+ HGDIOBJ oldPen = SelectObject(m_data->m_dc, pen);
+ for (Vector<Path>::const_iterator i = m_data->m_paths.begin(); i != m_data->m_paths.end(); ++i)
+ i->platformPath()->strokePath(m_data->m_dc, &m_data->m_transform);
+ SelectObject(m_data->m_dc, oldPen);
+ DeleteObject(pen);
+ }
+}
+
+void GraphicsContext::fillRect(const FloatRect& r, const Gradient* gradient)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ const Vector<Gradient::ColorStop>& stops = gradient->getStops();
+ if (stops.isEmpty())
+ return;
+
+ size_t numStops = stops.size();
+ if (numStops == 1) {
+ const Gradient::ColorStop& stop = stops.first();
+ Color color(stop.red, stop.green, stop.blue, stop.alpha);
+ fillRect(r, color);
+ return;
+ }
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect intRect = enclosingIntRect(r);
+ IntRect rect = m_data->mapRect(intRect);
+ TransparentLayerDC transparentDC(m_data, rect, &intRect, 255, true);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+
+ rect.move(transparentDC.toShift());
+ FloatPoint fp0 = m_data->mapPoint(gradient->p0());
+ FloatPoint fp1 = m_data->mapPoint(gradient->p1());
+ IntPoint p0(stableRound(fp0.x()), stableRound(fp0.y()));
+ IntPoint p1(stableRound(fp1.x()), stableRound(fp1.y()));
+ p0 += transparentDC.toShift();
+ p1 += transparentDC.toShift();
+
+ if (gradient->isRadial()) {
+ if (g_radialGradientFiller) {
+ // FIXME: don't support 2D scaling at this time
+ double scale = (m_data->m_transform.a() + m_data->m_transform.d()) * 0.5;
+ float r0 = gradient->r0() * scale;
+ float r1 = gradient->r1() * scale;
+ g_radialGradientFiller(dc, rect, p0, p1, r0, r1, gradient->getStops());
+ return;
+ }
+ } else if (g_linearGradientFiller) {
+ g_linearGradientFiller(dc, rect, p0, p1, gradient->getStops());
+ return;
+ }
+
+ // Simple 1D linear solution that assumes p0 is on the top or left side, and p1 is on the right or bottom side
+ size_t numRects = (numStops - 1);
+ Vector<TRIVERTEX, 20> tv;
+ tv.resize(numRects * 2);
+ Vector<GRADIENT_RECT, 10> mesh;
+ mesh.resize(numRects);
+ int x = rect.x();
+ int y = rect.y();
+ int width = rect.width();
+ int height = rect.height();
+ FloatSize d = gradient->p1() - gradient->p0();
+ bool vertical = abs(d.height()) > abs(d.width());
+ for (size_t i = 0; i < numStops; ++i) {
+ const Gradient::ColorStop& stop = stops[i];
+ int iTv = i ? 2 * i - 1 : 0;
+ tv[iTv].Red = stop.red * 0xFFFF;
+ tv[iTv].Green = stop.green * 0xFFFF;
+ tv[iTv].Blue = stop.blue * 0xFFFF;
+ tv[iTv].Alpha = stop.alpha * 0xFFFF;
+ if (i) {
+ tv[iTv].x = vertical ? x + width: x + width * stop.stop;
+ tv[iTv].y = vertical ? y + height * stop.stop : y + height;
+ mesh[i - 1].UpperLeft = iTv - 1;
+ mesh[i - 1].LowerRight = iTv;
+ } else {
+ tv[iTv].x = x;
+ tv[iTv].y = y;
+ }
+
+ if (i && i < numRects) {
+ tv[iTv + 1] = tv[iTv];
+ if (vertical)
+ tv[iTv + 1].x = x;
+ else
+ tv[iTv + 1].y = y;
+ }
+ }
+
+ GradientFill(dc, tv.data(), tv.size(), mesh.data(), mesh.size(), vertical ? GRADIENT_FILL_RECT_V : GRADIENT_FILL_RECT_H);
+}
+
+TransformationMatrix GraphicsContext::getCTM() const
+{
+ return m_data->m_transform;
+}
+
+void GraphicsContext::clipToImageBuffer(const FloatRect&, const ImageBuffer*)
+{
+ notImplemented();
+}
+
+void GraphicsContext::fillRect(const FloatRect& rect)
+{
+ if (m_common->state.fillColorSpace == GradientColorSpace && m_common->state.fillGradient)
+ fillRect(rect, m_common->state.fillGradient.get());
+ else
+ fillRect(rect, fillColor());
+}
+
+void GraphicsContext::setPlatformShadow(const IntSize&, int, const Color&)
+{
+ notImplemented();
+}
+
+void GraphicsContext::clearPlatformShadow()
+{
+ notImplemented();
+}
+
+void GraphicsContext::setImageInterpolationQuality(InterpolationQuality)
+{
+ notImplemented();
+}
+
+static inline bool isCharVisible(UChar c)
+{
+ return c && c != zeroWidthSpace;
+}
+
+void GraphicsContext::drawText(const Font& font, const TextRun& run, const IntPoint& point, int from, int to)
+{
+ if (paintingDisabled() || !fillColor().alpha() || !m_data->m_opacity)
+ return;
+
+ bool mustSupportAlpha = m_data->hasAlpha();
+
+ if (!mustSupportAlpha && fillColor().alpha() == 0xFF && m_data->m_opacity >= 1.0) {
+ font.drawText(this, run, point, from, to);
+ return;
+ }
+
+ float oldOpacity = m_data->m_opacity;
+ m_data->m_opacity *= fillColor().alpha() / 255.0;
+
+ FloatRect textRect = font.selectionRectForText(run, point, font.height(), from, to);
+ textRect.setY(textRect.y() - font.ascent());
+ IntRect trRect = enclosingIntRect(m_data->mapRect(textRect));
+ RECT bmpRect;
+ AlphaPaintType alphaPaintType = mustSupportAlpha ? AlphaPaintOther : AlphaPaintNone;
+ if (RefPtr<SharedBitmap> bmp = m_data->getTransparentLayerBitmap(trRect, alphaPaintType, bmpRect, true, mustSupportAlpha)) {
+ {
+ GraphicsContext gc(0);
+ gc.setBitmap(bmp);
+ gc.scale(FloatSize(m_data->m_transform.a(), m_data->m_transform.d()));
+ font.drawText(&gc, run, IntPoint(0, font.ascent()), from, to);
+ }
+ unsigned key1, key2;
+ HDC memDC = bmp->getDC(&key1, &key2);
+ if (memDC) {
+ m_data->paintBackTransparentLayerBitmap(memDC, bmp.get(), trRect, alphaPaintType, bmpRect);
+ bmp->releaseDC(memDC, key1, key2);
+ }
+ }
+
+ m_data->m_opacity = oldOpacity;
+}
+
+void GraphicsContext::drawText(const SimpleFontData* fontData, const GlyphBuffer& glyphBuffer,
+ int from, int numGlyphs, const FloatPoint& point)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ for (;;) {
+ if (!numGlyphs)
+ return;
+ if (isCharVisible(*glyphBuffer.glyphs(from)))
+ break;
+ ++from;
+ --numGlyphs;
+ }
+
+ double scaleX = m_data->m_transform.a();
+ double scaleY = m_data->m_transform.d();
+
+ int height = fontData->platformData().size() * scaleY;
+ int width = fontData->platformData().averageCharWidth() * scaleX;
+
+ if (!height || !width)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ HFONT hFont = height > 1
+ ? fontData->platformData().getScaledFontHandle(height, scaleX == scaleY ? 0 : width)
+ : 0;
+
+ FloatPoint startPoint(point.x(), point.y() - fontData->ascent());
+ FloatPoint trPoint = m_data->mapPoint(startPoint);
+ int y = stableRound(trPoint.y());
+
+ Color color = fillColor();
+ if (!color.alpha())
+ return;
+
+ COLORREF fontColor = RGB(color.red(), color.green(), color.blue());
+
+ if (!hFont) {
+ double offset = trPoint.x();
+ const GlyphBufferAdvance* advance = glyphBuffer.advances(from);
+ if (scaleX == 1.)
+ for (int i = 1; i < numGlyphs; ++i)
+ offset += *advance++;
+ else
+ for (int i = 1; i < numGlyphs; ++i)
+ offset += *advance++ * scaleX;
+
+ offset += width;
+
+ OwnPtr<HPEN> hPen(CreatePen(PS_DASH, 1, fontColor));
+ HGDIOBJ oldPen = SelectObject(m_data->m_dc, hPen.get());
+
+ MoveToEx(m_data->m_dc, stableRound(trPoint.x()), y, 0);
+ LineTo(m_data->m_dc, stableRound(offset), y);
+
+ SelectObject(m_data->m_dc, oldPen);
+ return;
+ }
+
+ IntSize shadowSize;
+ int shadowBlur = 0;
+ Color shadowColor;
+ bool hasShadow = textDrawingMode() == cTextFill
+ && getShadow(shadowSize, shadowBlur, shadowColor)
+ && shadowColor.alpha();
+ COLORREF shadowRGBColor;
+ FloatPoint trShadowPoint;
+ if (hasShadow) {
+ shadowRGBColor = RGB(shadowColor.red(), shadowColor.green(), shadowColor.blue());
+ trShadowPoint = m_data->mapPoint(startPoint + shadowSize);
+ }
+
+ HGDIOBJ hOldFont = SelectObject(m_data->m_dc, hFont);
+ COLORREF oldTextColor = GetTextColor(m_data->m_dc);
+ int oldTextAlign = GetTextAlign(m_data->m_dc);
+ SetTextAlign(m_data->m_dc, 0);
+
+ int oldBkMode = GetBkMode(m_data->m_dc);
+ SetBkMode(m_data->m_dc, TRANSPARENT);
+
+ if (numGlyphs > 1) {
+ double offset = trPoint.x();
+ Vector<int, 256> glyphSpace(numGlyphs);
+ Vector<UChar, 256> text(numGlyphs);
+ int* curSpace = glyphSpace.data();
+ UChar* curChar = text.data();
+ const UChar* srcChar = glyphBuffer.glyphs(from);
+ const UChar* const srcCharEnd = srcChar + numGlyphs;
+ *curChar++ = *srcChar++;
+ int firstOffset = stableRound(offset);
+ int lastOffset = firstOffset;
+ const GlyphBufferAdvance* advance = glyphBuffer.advances(from);
+ // FIXME: ExtTextOut() can flip over each word for RTL languages, even when TA_RTLREADING is off.
+ // (this can be GDI bug or font driver bug?)
+ // We are not clear how it processes characters and handles specified spaces. On the other side,
+ // our glyph buffer is already in the correct order for rendering. So, the solution is that we
+ // call ExtTextOut() for each single character when the text contains any RTL character.
+ // This solution is not perfect as it is slower than calling ExtTextOut() one time for all characters.
+ // Drawing characters one by one may be too slow.
+ bool drawOneByOne = false;
+ if (scaleX == 1.) {
+ for (; srcChar < srcCharEnd; ++srcChar) {
+ offset += *advance++;
+ int offsetInt = stableRound(offset);
+ if (isCharVisible(*srcChar)) {
+ if (!drawOneByOne && WTF::Unicode::direction(*srcChar) == WTF::Unicode::RightToLeft)
+ drawOneByOne = true;
+ *curChar++ = *srcChar;
+ *curSpace++ = offsetInt - lastOffset;
+ lastOffset = offsetInt;
+ }
+ }
+ } else {
+ for (; srcChar < srcCharEnd; ++srcChar) {
+ offset += *advance++ * scaleX;
+ int offsetInt = stableRound(offset);
+ if (isCharVisible(*srcChar)) {
+ if (!drawOneByOne && WTF::Unicode::direction(*srcChar) == WTF::Unicode::RightToLeft)
+ drawOneByOne = true;
+ *curChar++ = *srcChar;
+ *curSpace++ = offsetInt - lastOffset;
+ lastOffset = offsetInt;
+ }
+ }
+ }
+ numGlyphs = curChar - text.data();
+ if (hasShadow) {
+ SetTextColor(m_data->m_dc, shadowRGBColor);
+ if (drawOneByOne) {
+ int xShadow = firstOffset + stableRound(trShadowPoint.x() - trPoint.x());
+ int yShadow = stableRound(trShadowPoint.y());
+ for (int i = 0; i < numGlyphs; ++i) {
+ ExtTextOut(m_data->m_dc, xShadow, yShadow, 0, NULL, text.data() + i, 1, 0);
+ xShadow += glyphSpace[i];
+ }
+ } else
+ ExtTextOut(m_data->m_dc, firstOffset + stableRound(trShadowPoint.x() - trPoint.x()), stableRound(trShadowPoint.y()), 0, NULL, text.data(), numGlyphs, glyphSpace.data());
+ }
+ SetTextColor(m_data->m_dc, fontColor);
+ if (drawOneByOne) {
+ int x = firstOffset;
+ for (int i = 0; i < numGlyphs; ++i) {
+ ExtTextOut(m_data->m_dc, x, y, 0, NULL, text.data() + i, 1, 0);
+ x += glyphSpace[i];
+ }
+ } else
+ ExtTextOut(m_data->m_dc, firstOffset, y, 0, NULL, text.data(), numGlyphs, glyphSpace.data());
+ } else {
+ UChar c = *glyphBuffer.glyphs(from);
+ if (hasShadow) {
+ SetTextColor(m_data->m_dc, shadowRGBColor);
+ ExtTextOut(m_data->m_dc, stableRound(trShadowPoint.x()), stableRound(trShadowPoint.y()), 0, NULL, &c, 1, 0);
+ }
+ SetTextColor(m_data->m_dc, fontColor);
+ ExtTextOut(m_data->m_dc, stableRound(trPoint.x()), y, 0, NULL, &c, 1, 0);
+ }
+
+ SetTextAlign(m_data->m_dc, oldTextAlign);
+ SetTextColor(m_data->m_dc, oldTextColor);
+ SetBkMode(m_data->m_dc, oldBkMode);
+ SelectObject(m_data->m_dc, hOldFont);
+}
+
+void GraphicsContext::drawFrameControl(const IntRect& rect, unsigned type, unsigned state)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ const int boxWidthBest = 8;
+ const int boxHeightBest = 8;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect, 255, true);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ RECT rectWin = trRect;
+
+ if ((rectWin.right - rectWin.left) < boxWidthBest) {
+ RefPtr<SharedBitmap> bmp = SharedBitmap::createInstance(true, boxWidthBest, boxHeightBest, true);
+ SharedBitmap::DCHolder memDC(bmp.get());
+ if (memDC.get()) {
+ RECT tempRect = {0, 0, boxWidthBest, boxHeightBest};
+ DrawFrameControl(memDC.get(), &tempRect, type, state);
+
+ ::StretchBlt(dc, rectWin.left, rectWin.top, rectWin.right - rectWin.left, rectWin.bottom - rectWin.top, memDC.get(), 0, 0, boxWidthBest, boxHeightBest, SRCCOPY);
+ return;
+ }
+ }
+
+ DrawFrameControl(dc, &rectWin, type, state);
+}
+
+void GraphicsContext::drawFocusRect(const IntRect& rect)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ RECT rectWin = trRect;
+ DrawFocusRect(dc, &rectWin);
+}
+
+void GraphicsContext::paintTextField(const IntRect& rect, unsigned state)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect trRect = m_data->mapRect(rect);
+ TransparentLayerDC transparentDC(m_data, trRect, &rect);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+
+ RECT rectWin = trRect;
+ DrawEdge(dc, &rectWin, EDGE_ETCHED, BF_RECT | BF_ADJUST);
+ FillRect(dc, &rectWin, reinterpret_cast<HBRUSH>(((state & DFCS_INACTIVE) ? COLOR_BTNFACE : COLOR_WINDOW) + 1));
+}
+
+void GraphicsContext::drawBitmap(SharedBitmap* bmp, const IntRect& dstRectIn, const IntRect& srcRect, CompositeOperator compositeOp)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect dstRect = m_data->mapRect(dstRectIn);
+ TransparentLayerDC transparentDC(m_data, dstRect, &dstRectIn, 255, true);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ dstRect.move(transparentDC.toShift());
+
+ bmp->draw(dc, dstRect, srcRect, compositeOp);
+
+ if (bmp->is16bit())
+ transparentDC.fillAlphaChannel();
+}
+
+void GraphicsContext::drawBitmapPattern(SharedBitmap* bmp, const FloatRect& tileRectIn, const TransformationMatrix& patternTransform,
+ const FloatPoint& phase, CompositeOperator op, const FloatRect& destRectIn, const IntSize& origSourceSize)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect intDstRect = enclosingIntRect(destRectIn);
+ IntRect trRect = m_data->mapRect(intDstRect);
+ TransparentLayerDC transparentDC(m_data, trRect, &intDstRect, 255, true);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ trRect.move(transparentDC.toShift());
+ FloatRect movedDstRect = m_data->m_transform.inverse().mapRect(FloatRect(trRect));
+ FloatSize moved(movedDstRect.location() - destRectIn.location());
+ TransformationMatrix transform = m_data->m_transform;
+ transform.translate(moved.width(), moved.height());
+
+ bmp->drawPattern(dc, transform, tileRectIn, patternTransform, phase, op, destRectIn, origSourceSize);
+
+ if (!bmp->hasAlpha())
+ transparentDC.fillAlphaChannel();
+}
+
+void GraphicsContext::drawIcon(HICON icon, const IntRect& dstRectIn, UINT flags)
+{
+ if (!m_data->m_opacity)
+ return;
+
+ ScopeDCProvider dcProvider(m_data);
+ if (!m_data->m_dc)
+ return;
+
+ IntRect dstRect = m_data->mapRect(dstRectIn);
+ TransparentLayerDC transparentDC(m_data, dstRect, &dstRectIn, 255, true);
+ HDC dc = transparentDC.hdc();
+ if (!dc)
+ return;
+ dstRect.move(transparentDC.toShift());
+
+ DrawIconEx(dc, dstRect.x(), dstRect.y(), icon, dstRect.width(), dstRect.height(), 0, NULL, flags);
+}
+
+void GraphicsContext::setPlatformShouldAntialias(bool)
+{
+ notImplemented();
+}
+
+void GraphicsContext::setLineDash(const DashArray&, float)
+{
+ notImplemented();
+}
+
+void GraphicsContext::clipPath(WindRule)
+{
+ notImplemented();
+}
+
+} // namespace WebCore
diff --git a/WebCore/platform/graphics/wince/SimpleFontDataWince.cpp b/WebCore/platform/graphics/wince/SimpleFontDataWince.cpp
new file mode 100644
index 0000000..1195294
--- /dev/null
+++ b/WebCore/platform/graphics/wince/SimpleFontDataWince.cpp
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
+ * Copyright (C) 2007-2009 Torch Mobile, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
+ * its contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+#include "config.h"
+#include "SimpleFontData.h"
+
+#include "FloatRect.h"
+#include "Font.h"
+#include "FontCache.h"
+#include "FontDescription.h"
+#include <wtf/MathExtras.h>
+#include <mlang.h>
+#include <tchar.h>
+
+namespace WebCore {
+
+extern HDC g_screenDC;
+
+void SimpleFontData::platformInit()
+{
+ if (!m_platformData.isValid())
+ return;
+
+ const TEXTMETRIC& tm = m_platformData.metrics();
+ m_isSystemFont = m_platformData.isSystemFont();
+
+ m_ascent = (tm.tmAscent * m_platformData.size() + 36) / 72;
+ m_descent = (tm.tmDescent * m_platformData.size() + 36) / 72;
+ m_lineGap = (tm.tmExternalLeading * m_platformData.size() + 36) / 72;
+ m_lineSpacing = m_ascent + m_descent + m_lineGap;
+ m_xHeight = m_ascent * 0.56f;
+}
+
+void SimpleFontData::platformDestroy()
+{
+ delete m_smallCapsFontData;
+ m_smallCapsFontData = 0;
+}
+
+SimpleFontData* SimpleFontData::smallCapsFontData(const FontDescription& fontDescription) const
+{
+ if (!m_smallCapsFontData) {
+ FontDescription fontDesc(fontDescription);
+ fontDesc.setComputedSize(lroundf(0.70f * fontDesc.computedSize()));
+ fontDesc.setSpecifiedSize(lroundf(0.70f * fontDesc.specifiedSize()));
+ fontDesc.setKeywordSize(lroundf(0.70f * fontDesc.keywordSize()));
+ FontPlatformData* result = fontCache()->getCachedFontPlatformData(fontDesc, m_platformData.family());
+ if (result)
+ m_smallCapsFontData = new SimpleFontData(*result);
+ }
+ return m_smallCapsFontData;
+}
+
+DWORD getKnownFontCodePages(const wchar_t* family);
+
+bool SimpleFontData::containsCharacters(const UChar* characters, int length) const
+{
+ if (m_platformData.isDisabled())
+ return true;
+
+ // FIXME: Microsoft documentation seems to imply that characters can be output using a given font and DC
+ // merely by testing code page intersection. This seems suspect though. Can't a font only partially
+ // cover a given code page?
+
+ // FIXME: in the case that we failed to get the interface, still use the font.
+#if defined(IMLANG_FONT_LINK) && (IMLANG_FONT_LINK == 2)
+ IMLangFontLink2* langFontLink = fontCache()->getFontLinkInterface();
+#else
+ IMLangFontLink* langFontLink = fontCache()->getFontLinkInterface();
+#endif
+ if (!langFontLink)
+ return true;
+
+ DWORD fontCodePages = m_platformData.codePages();
+ if (!fontCodePages)
+ return false;
+
+ DWORD acpCodePages = 0;
+ langFontLink->CodePageToCodePages(CP_ACP, &acpCodePages);
+
+ DWORD actualCodePages;
+ long numCharactersProcessed;
+ while (length) {
+ langFontLink->GetStrCodePages(characters, length, acpCodePages, &actualCodePages, &numCharactersProcessed);
+ if (actualCodePages && !(actualCodePages & fontCodePages))
+ return false;
+
+ length -= numCharactersProcessed;
+ characters += numCharactersProcessed;
+ }
+
+ return true;
+}
+
+void SimpleFontData::determinePitch()
+{
+ if (!m_platformData.isValid())
+ return;
+
+ const TEXTMETRIC& tm = m_platformData.metrics();
+
+ // Yes, this looks backwards, but the fixed pitch bit is actually set if the font
+ // is *not* fixed pitch. Unbelievable but true.
+ m_treatAsFixedPitch = !(tm.tmPitchAndFamily & TMPF_FIXED_PITCH);
+}
+
+float SimpleFontData::platformWidthForGlyph(Glyph glyph) const
+{
+ if (m_platformData.isDisabled())
+ return 0;
+
+ HGDIOBJ hOldFont = SelectObject(g_screenDC, m_platformData.hfont());
+
+ SIZE fontSize;
+ wchar_t c = glyph;
+ GetTextExtentPoint32(g_screenDC, &c, 1, &fontSize);
+
+ SelectObject(g_screenDC, hOldFont);
+
+ return (float)fontSize.cx * (float)m_platformData.size() / 72.f;
+}
+
+
+void SimpleFontData::platformCharWidthInit()
+{
+ if (!m_platformData.isValid())
+ return;
+
+ const TEXTMETRIC& tm = m_platformData.metrics();
+ m_avgCharWidth = (tm.tmAveCharWidth * m_platformData.size() + 36) / 72;
+ m_maxCharWidth = (tm.tmMaxCharWidth * m_platformData.size() + 36) / 72;
+}
+
+}