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Diffstat (limited to 'WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp')
-rw-r--r--WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp183
1 files changed, 114 insertions, 69 deletions
diff --git a/WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp b/WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp
index 347a3fb..2c79815 100644
--- a/WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp
+++ b/WebCore/platform/graphics/chromium/FontCacheChromiumWin.cpp
@@ -50,11 +50,6 @@ using std::min;
namespace WebCore
{
-void FontCache::platformInit()
-{
- // Not needed on Windows.
-}
-
// FIXME: consider adding to WebKit String class
static bool charactersAreAllASCII(const String& s)
{
@@ -329,6 +324,86 @@ static bool fontContainsCharacter(const FontPlatformData* fontData,
return cmap->contains(character);
}
+// Tries the given font and save it |outFontFamilyName| if it succeeds.
+static SimpleFontData* fontDataFromDescriptionAndLogFont(FontCache* fontCache, const FontDescription& fontDescription, const LOGFONT& font, wchar_t* outFontFamilyName)
+{
+ SimpleFontData* fontData = fontCache->getCachedFontData(fontDescription, font.lfFaceName);
+ if (fontData)
+ memcpy(outFontFamilyName, font.lfFaceName, sizeof(font.lfFaceName));
+ return fontData;
+}
+
+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];
+}
+
+static void FillLogFont(const FontDescription& fontDescription, LOGFONT* winfont)
+{
+ // The size here looks unusual. The negative number is intentional.
+ // Unlike WebKit trunk, we don't multiply the size by 32. That seems to be
+ // some kind of artifact of their CG backend, or something.
+ winfont->lfHeight = -fontDescription.computedPixelSize();
+ winfont->lfWidth = 0;
+ winfont->lfEscapement = 0;
+ winfont->lfOrientation = 0;
+ winfont->lfUnderline = false;
+ winfont->lfStrikeOut = false;
+ winfont->lfCharSet = DEFAULT_CHARSET;
+ winfont->lfOutPrecision = OUT_TT_ONLY_PRECIS;
+ winfont->lfQuality = ChromiumBridge::layoutTestMode() ? NONANTIALIASED_QUALITY : DEFAULT_QUALITY; // Honor user's desktop settings.
+ winfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
+ winfont->lfItalic = fontDescription.italic();
+ winfont->lfWeight = toGDIFontWeight(fontDescription.weight());
+}
+
+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 = logFont->lfWeight;
+ 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()
+{
+ // Not needed on Windows.
+}
+
// Given the desired base font, this will create a SimpleFontData for a specific
// font that can be used to render the given range of characters.
const SimpleFontData* FontCache::getFontDataForCharacters(const Font& font, const UChar* characters, int length)
@@ -438,73 +513,43 @@ SimpleFontData* FontCache::getLastResortFallbackFont(const FontDescription& desc
else if (generic == FontDescription::MonospaceFamily)
fontStr = courierStr;
- return getCachedFontData(description, fontStr);
-}
-
-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];
-}
-
-static void FillLogFont(const FontDescription& fontDescription, LOGFONT* winfont)
-{
- // The size here looks unusual. The negative number is intentional.
- // Unlike WebKit trunk, we don't multiply the size by 32. That seems to be
- // some kind of artifact of their CG backend, or something.
- winfont->lfHeight = -fontDescription.computedPixelSize();
- winfont->lfWidth = 0;
- winfont->lfEscapement = 0;
- winfont->lfOrientation = 0;
- winfont->lfUnderline = false;
- winfont->lfStrikeOut = false;
- winfont->lfCharSet = DEFAULT_CHARSET;
- winfont->lfOutPrecision = OUT_TT_ONLY_PRECIS;
- winfont->lfQuality = ChromiumBridge::layoutTestMode() ? NONANTIALIASED_QUALITY : DEFAULT_QUALITY; // Honor user's desktop settings.
- winfont->lfPitchAndFamily = DEFAULT_PITCH | FF_DONTCARE;
- winfont->lfItalic = fontDescription.italic();
- winfont->lfWeight = toGDIFontWeight(fontDescription.weight());
-}
-
-struct TraitsInFamilyProcData {
- TraitsInFamilyProcData(const AtomicString& familyName)
- : m_familyName(familyName)
- {
+ SimpleFontData* simpleFont = getCachedFontData(description, fontStr);
+ if (simpleFont)
+ return simpleFont;
+
+ // Fall back to system fonts as Win Safari does because this function must
+ // return a valid font. Once we find a valid system font, we save its name
+ // to a static variable and use it to prevent trying system fonts again.
+ static wchar_t fallbackFontName[LF_FACESIZE] = {0};
+ if (fallbackFontName[0])
+ return getCachedFontData(description, fallbackFontName);
+
+ // Fall back to the DEFAULT_GUI_FONT if no known Unicode fonts are available.
+ if (HFONT defaultGUIFont = static_cast<HFONT>(GetStockObject(DEFAULT_GUI_FONT))) {
+ LOGFONT defaultGUILogFont;
+ GetObject(defaultGUIFont, sizeof(defaultGUILogFont), &defaultGUILogFont);
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, defaultGUILogFont, fallbackFontName))
+ return simpleFont;
}
- 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);
+ // Fall back to Non-client metrics fonts.
+ NONCLIENTMETRICS nonClientMetrics = {0};
+ nonClientMetrics.cbSize = sizeof(nonClientMetrics);
+ if (SystemParametersInfo(SPI_GETNONCLIENTMETRICS, sizeof(nonClientMetrics), &nonClientMetrics, 0)) {
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, nonClientMetrics.lfMessageFont, fallbackFontName))
+ return simpleFont;
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, nonClientMetrics.lfMenuFont, fallbackFontName))
+ return simpleFont;
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, nonClientMetrics.lfStatusFont, fallbackFontName))
+ return simpleFont;
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, nonClientMetrics.lfCaptionFont, fallbackFontName))
+ return simpleFont;
+ if (simpleFont = fontDataFromDescriptionAndLogFont(this, description, nonClientMetrics.lfSmCaptionFont, fallbackFontName))
+ return simpleFont;
+ }
- unsigned traitsMask = 0;
- traitsMask |= logFont->lfItalic ? FontStyleItalicMask : FontStyleNormalMask;
- traitsMask |= FontVariantNormalMask;
- LONG weight = logFont->lfWeight;
- 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;
+ ASSERT_NOT_REACHED();
+ return 0;
}
void FontCache::getTraitsInFamily(const AtomicString& familyName, Vector<unsigned>& traitsMasks)
generated by cgit v1.1 at 2025-08-16 00:23:02 +0000