private:
void setupFontForScriptRun();
+ void setupComplexFont(const char* fontName, const FontPlatformData& platformData);
HB_FontRec* allocHarfbuzzFont();
void deleteGlyphArrays();
void createGlyphArrays(int);
// each word break we accumulate error. This is the
// number of pixels that we are behind so far.
unsigned m_letterSpacing; // pixels to be added after each glyph.
+ FontPlatformData* m_complexPlatformData;
};
, m_padPerWordBreak(0)
, m_padError(0)
, m_letterSpacing(0)
+ , m_complexPlatformData(0)
{
// Do not use |run| inside this constructor. Use |m_run| instead.
fastFree(m_item.font);
deleteGlyphArrays();
delete[] m_item.log_clusters;
+ delete m_complexPlatformData;
}
bool TextRunWalker::isWordBreak(unsigned index, bool isRTL)
setLetterSpacingAdjustment(letterSpacingAdjustment);
}
+void TextRunWalker::setupComplexFont(const char* filename,
+ const FontPlatformData& platformData)
+{
+ delete m_complexPlatformData;
+
+ SkTypeface* typeface = SkTypeface::CreateFromFile(filename);
+ m_complexPlatformData = new FontPlatformData(platformData, typeface);
+ SkSafeUnref(typeface);
+ m_item.face = m_complexPlatformData->harfbuzzFace();
+ m_item.font->userData = m_complexPlatformData;
+}
+
void TextRunWalker::setupFontForScriptRun()
{
- const FontData* fontData = m_font->glyphDataForCharacter(
- m_item.string[m_item.item.pos], false).fontData;
+ const FontData* fontData = m_font->glyphDataForCharacter(m_run[0], false).fontData;
const FontPlatformData& platformData =
fontData->fontDataForCharacter(' ')->platformData();
- m_item.face = platformData.harfbuzzFace();
- void* opaquePlatformData = const_cast<FontPlatformData*>(&platformData);
- m_item.font->userData = opaquePlatformData;
+
+ if (m_item.item.script == HB_Script_Devanagari) {
+ setupComplexFont("/system/fonts/Lohit_Hindi.ttf", platformData);
+ } else if (m_item.item.script == HB_Script_Thai) {
+ setupComplexFont("/system/fonts/DroidSansThai.ttf", platformData);
+ } else if (m_item.item.script == HB_Script_Arabic) {
+ setupComplexFont("/system/fonts/DroidNaskh-Regular.ttf", platformData);
+ } else if (m_item.item.script == HB_Script_Hebrew) {
+ switch (platformData.typeface()->style()) {
+ case SkTypeface::kBold:
+ case SkTypeface::kBoldItalic:
+ setupComplexFont("/system/fonts/DroidSansHebrew-Bold.ttf", platformData);
+ break;
+ case SkTypeface::kNormal:
+ case SkTypeface::kItalic:
+ default:
+ setupComplexFont("/system/fonts/DroidSansHebrew-Regular.ttf", platformData);
+ break;
+ }
+ } else {
+ // HB_Script_Common; includes Ethiopic
+ m_item.face = platformData.harfbuzzFace();
+ void* opaquePlatformData = const_cast<FontPlatformData*>(&platformData);
+ m_item.font->userData = opaquePlatformData;
+ }
}
HB_FontRec* TextRunWalker::allocHarfbuzzFont()