Merge webkit.org at r58033 : Initial merge by git

Change-Id: If006c38561af287c50cd578d251629b51e4d8cd1

1 files changed, 18 insertions, 3 deletions

diff --git a/WebCore/platform/graphics/Font.h b/WebCore/platform/graphics/Font.h
index 3c07be7..62525b0 100644
--- a/WebCore/platform/graphics/Font.h
+++ b/WebCore/platform/graphics/Font.h
@@ -56,6 +56,21 @@ struct GlyphData;
 
 const unsigned defaultUnitsPerEm = 1000;
 
+struct GlyphOverflow {
+    GlyphOverflow()
+        : left(0)
+        , right(0)
+        , top(0)
+        , bottom(0)
+    {
+    }
+
+    int left;
+    int right;
+    int top;
+    int bottom;
+};
+
 class Font {
 public:
     Font();
@@ -81,8 +96,8 @@ public:
 
     void drawText(GraphicsContext*, const TextRun&, const FloatPoint&, int from = 0, int to = -1) const;
 
-    int width(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts = 0) const { return lroundf(floatWidth(run, fallbackFonts)); }
-    float floatWidth(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts = 0) const;
+    int width(const TextRun& run, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* glyphOverflow = 0) const { return lroundf(floatWidth(run, fallbackFonts, glyphOverflow)); }
+    float floatWidth(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* glyphOverflow = 0) const;
     float floatWidth(const TextRun& run, int extraCharsAvailable, int& charsConsumed, String& glyphName) const;
 
     int offsetForPosition(const TextRun&, int position, bool includePartialGlyphs) const;
@@ -159,7 +174,7 @@ private:
 #endif
 
     void drawComplexText(GraphicsContext*, const TextRun&, const FloatPoint&, int from, int to) const;
-    float floatWidthForComplexText(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts = 0) const;
+    float floatWidthForComplexText(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts = 0, GlyphOverflow* = 0) const;
     int offsetForPositionForComplexText(const TextRun&, int position, bool includePartialGlyphs) const;
     FloatRect selectionRectForComplexText(const TextRun&, const IntPoint&, int h, int from, int to) const;