Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 143 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/TextRun.h b/Source/WebCore/platform/graphics/TextRun.h
new file mode 100644
index 0000000..dce5535
--- /dev/null
+++ b/Source/WebCore/platform/graphics/TextRun.h
@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
+ *           (C) 2000 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2000 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2003, 2006, 2007 Apple Computer, 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 TextRun_h
+#define TextRun_h
+
+#include "PlatformString.h"
+
+namespace WebCore {
+
+class RenderObject;
+class RenderSVGResource;
+
+class TextRun {
+public:
+    TextRun(const UChar* c, int len, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false,
+              bool applyRunRounding = true, bool applyWordRounding = true)
+        : m_characters(c)
+        , m_len(len)
+        , m_xpos(xpos)
+        , m_padding(padding)
+#if ENABLE(SVG)
+        , m_horizontalGlyphStretch(1)
+#endif
+        , m_allowTabs(allowTabs)
+        , m_rtl(rtl)
+        , m_directionalOverride(directionalOverride)
+        , m_applyRunRounding(applyRunRounding)
+        , m_applyWordRounding(applyWordRounding)
+        , m_disableSpacing(false)
+#if ENABLE(SVG_FONTS)
+        , m_referencingRenderObject(0)
+        , m_activePaintingResource(0)
+#endif
+    {
+    }
+
+    TextRun(const String& s, bool allowTabs = false, int xpos = 0, int padding = 0, bool rtl = false, bool directionalOverride = false,
+              bool applyRunRounding = true, bool applyWordRounding = true)
+        : m_characters(s.characters())
+        , m_len(s.length())
+        , m_xpos(xpos)
+        , m_padding(padding)
+#if ENABLE(SVG)
+        , m_horizontalGlyphStretch(1)
+#endif
+        , m_allowTabs(allowTabs)
+        , m_rtl(rtl)
+        , m_directionalOverride(directionalOverride)
+        , m_applyRunRounding(applyRunRounding)
+        , m_applyWordRounding(applyWordRounding)
+        , m_disableSpacing(false)
+#if ENABLE(SVG_FONTS)
+        , m_referencingRenderObject(0)
+        , m_activePaintingResource(0)
+#endif
+    {
+    }
+
+    UChar operator[](int i) const { return m_characters[i]; }
+    const UChar* data(int i) const { return &m_characters[i]; }
+
+    const UChar* characters() const { return m_characters; }
+    int length() const { return m_len; }
+
+    void setText(const UChar* c, int len) { m_characters = c; m_len = len; }
+
+#if ENABLE(SVG)
+    float horizontalGlyphStretch() const { return m_horizontalGlyphStretch; }
+    void setHorizontalGlyphStretch(float scale) { m_horizontalGlyphStretch = scale; }
+#endif
+
+    bool allowTabs() const { return m_allowTabs; }
+    int xPos() const { return m_xpos; }
+    int padding() const { return m_padding; }
+    bool rtl() const { return m_rtl; }
+    bool ltr() const { return !m_rtl; }
+    bool directionalOverride() const { return m_directionalOverride; }
+    bool applyRunRounding() const { return m_applyRunRounding; }
+    bool applyWordRounding() const { return m_applyWordRounding; }
+    bool spacingDisabled() const { return m_disableSpacing; }
+
+    void disableSpacing() { m_disableSpacing = true; }
+    void disableRoundingHacks() { m_applyRunRounding = m_applyWordRounding = false; }
+    void setRTL(bool b) { m_rtl = b; }
+    void setDirectionalOverride(bool override) { m_directionalOverride = override; }
+
+#if ENABLE(SVG_FONTS)
+    RenderObject* referencingRenderObject() const { return m_referencingRenderObject; }
+    void setReferencingRenderObject(RenderObject* object) { m_referencingRenderObject = object; }
+
+    RenderSVGResource* activePaintingResource() const { return m_activePaintingResource; }
+    void setActivePaintingResource(RenderSVGResource* object) { m_activePaintingResource = object; }
+#endif
+
+private:
+    const UChar* m_characters;
+    int m_len;
+
+    // m_xpos is the x position relative to the left start of the text line, not relative to the left
+    // start of the containing block. In the case of right alignment or center alignment, left start of
+    // the text line is not the same as left start of the containing block.
+    int m_xpos;  
+    int m_padding;
+#if ENABLE(SVG)
+    float m_horizontalGlyphStretch;
+#endif
+    bool m_allowTabs;
+    bool m_rtl;
+    bool m_directionalOverride;
+    bool m_applyRunRounding;
+    bool m_applyWordRounding;
+    bool m_disableSpacing;
+
+#if ENABLE(SVG_FONTS)
+    RenderObject* m_referencingRenderObject;
+    RenderSVGResource* m_activePaintingResource;
+#endif
+};
+
+}
+
+#endif