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32 #include "GlyphPageTreeNode.h"
35 #include "SimpleFontData.h"
37 #include "SkTemplates.h"
43 bool GlyphPage::fill(unsigned offset, unsigned length, UChar* buffer, unsigned bufferLength, const SimpleFontData* fontData)
45 if (SkUTF16_IsHighSurrogate(buffer[bufferLength-1])) {
46 SkDebugf("%s last char is high-surrogate", __FUNCTION__);
51 fontData->platformData().setupPaint(&paint);
52 paint.setTextEncoding(SkPaint::kUTF16_TextEncoding);
54 SkAutoSTMalloc <GlyphPage::size, uint16_t> glyphStorage(length);
55 uint16_t* glyphs = glyphStorage.get();
56 // textToGlyphs takes a byte count, not a glyph count so we multiply by two.
57 unsigned count = paint.textToGlyphs(buffer, bufferLength * 2, glyphs);
58 if (count != length) {
59 SkDebugf("%s count != length\n", __FUNCTION__);
63 unsigned allGlyphs = 0; // track if any of the glyphIDs are non-zero
64 for (unsigned i = 0; i < length; i++) {
65 setGlyphDataForIndex(offset + i, glyphs[i], glyphs[i] ? fontData : NULL);
66 allGlyphs |= glyphs[i];
69 return allGlyphs != 0;
72 } // namespace WebCore