Cross Reference: /frameworks/base/core/jni/android/graphics/TextLayoutCache.cpp

Lines Matching refs:shaperItem
332 void TextLayoutCacheValue::initShaperItem(HB_ShaperItem& shaperItem, HB_FontRec* font,
335     memset(&shaperItem, 0, sizeof(shaperItem));
349     shaperItem.kerning_applied = false;
359     shaperItem.font = font;
360     shaperItem.font->userData = fontData;
362     shaperItem.face = HB_NewFace(NULL, harfbuzzSkiaGetTable);
368     createGlyphArrays(shaperItem, (contextCount + 2) * 2);
371     shaperItem.string = chars;
372     shaperItem.stringLength = contextCount;
375 void TextLayoutCacheValue::freeShaperItem(HB_ShaperItem& shaperItem) {
376     deleteGlyphArrays(shaperItem);
377     HB_FreeFace(shaperItem.face);
380 void TextLayoutCacheValue::shapeRun(HB_ShaperItem& shaperItem, size_t start, size_t count,
383     shaperItem.item.pos = start;
384     shaperItem.item.length = count;
385     shaperItem.item.bidiLevel = isRTL;
387     shaperItem.item.script = isRTL ? HB_Script_Arabic : HB_Script_Common;
390     assert(shaperItem.item.length > 0); // Harfbuzz will overwrite other memory if length is 0.
391     while (!HB_ShapeItem(&shaperItem)) {
393         // HB_ShapeItem fills in shaperItem.num_glyphs with the needed size.
394         deleteGlyphArrays(shaperItem);
395         createGlyphArrays(shaperItem, shaperItem.num_glyphs << 1);
421         HB_ShaperItem shaperItem;
426         initShaperItem(shaperItem, &font, &fontData, paint, chars, contextCount);
495                             computeRunValuesWithHarfbuzz(shaperItem, paint,
521             computeRunValuesWithHarfbuzz(shaperItem, paint,
527         freeShaperItem(shaperItem);
534 static void logGlyphs(HB_ShaperItem shaperItem) {
535     LOGD("Got glyphs - count=%d", shaperItem.num_glyphs);
536     for (size_t i = 0; i < shaperItem.num_glyphs; i++) {
537         LOGD("      glyph[%d]=%d - offset.x=%f offset.y=%f", i, shaperItem.glyphs[i],
538                 HBFixedToFloat(shaperItem.offsets[i].x),
539                 HBFixedToFloat(shaperItem.offsets[i].y));
543 void TextLayoutCacheValue::computeRunValuesWithHarfbuzz(HB_ShaperItem& shaperItem, SkPaint* paint,
552     shapeRun(shaperItem, start, count, isRTL);
555     LOGD("HARFBUZZ -- num_glypth=%d - kerning_applied=%d", shaperItem.num_glyphs,
556             shaperItem.kerning_applied);
557     LOGD("         -- string= '%s'", String8(shaperItem.string + start, count).string());
560     logGlyphs(shaperItem);
563     if (shaperItem.advances == NULL || shaperItem.num_glyphs == 0) {
573     jfloat currentAdvance = HBFixedToFloat(shaperItem.advances[shaperItem.log_clusters[0]]);
577         size_t clusterPrevious = shaperItem.log_clusters[i - 1];
578         size_t cluster = shaperItem.log_clusters[i];
582             currentAdvance = HBFixedToFloat(shaperItem.advances[shaperItem.log_clusters[i]]);
592                 (*outAdvances)[i], shaperItem.log_clusters[i], totalAdvance);
598         size_t countGlyphs = shaperItem.num_glyphs;
600             jchar glyph = (jchar) shaperItem.glyphs[(!isRTL) ? i : countGlyphs - 1 - i];
609 void TextLayoutCacheValue::deleteGlyphArrays(HB_ShaperItem& shaperItem) {
610     delete[] shaperItem.glyphs;
611     delete[] shaperItem.attributes;
612     delete[] shaperItem.advances;
613     delete[] shaperItem.offsets;
614     delete[] shaperItem.log_clusters;
617 void TextLayoutCacheValue::createGlyphArrays(HB_ShaperItem& shaperItem, int size) {
618     shaperItem.num_glyphs = size;
621     shaperItem.glyphs = new HB_Glyph[size];
622     shaperItem.attributes = new HB_GlyphAttributes[size];
623     shaperItem.advances = new HB_Fixed[size];
624     shaperItem.offsets = new HB_FixedPoint[size];
629     shaperItem.log_clusters = new unsigned short[size];