static void drawKernText(SkCanvas* canvas, const void* text, size_t len,
SkScalar x, SkScalar y, const SkPaint& paint) {
SkTypeface* face = paint.getTypeface();
if (!face) {
canvas->drawText(text, len, x, y, paint);
return;
}
SkAutoSTMalloc<128, uint16_t> glyphStorage(len);
uint16_t* glyphs = glyphStorage.get();
int glyphCount = paint.textToGlyphs(text, len, glyphs);
if (glyphCount < 1) {
return;
}
SkAutoSTMalloc<128, int32_t> adjustmentStorage(glyphCount - 1);
int32_t* adjustments = adjustmentStorage.get();
if (!face->getKerningPairAdjustments(glyphs, glyphCount, adjustments)) {
canvas->drawText(text, len, x, y, paint);
return;
}
SkPaint glyphPaint(paint);
glyphPaint.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
SkAutoSTMalloc<128, SkPoint> posStorage(glyphCount);
SkPoint* pos = posStorage.get();
getGlyphPositions(glyphPaint, glyphs, glyphCount, x, y, pos);
applyKerning(pos, adjustments, glyphCount, glyphPaint);
canvas->drawPosText(glyphs, glyphCount * sizeof(uint16_t), pos, glyphPaint);
}
void gradCheck(skiatest::Reporter* reporter, SkShader* shader,
SkShader::GradientInfo* info,
SkShader::GradientType gt) const {
SkAutoTMalloc<SkColor> colorStorage(fColorCount);
SkAutoTMalloc<SkScalar> posStorage(fColorCount);
info->fColorCount = fColorCount;
info->fColors = colorStorage;
info->fColorOffsets = posStorage.get();
REPORTER_ASSERT(reporter, shader->asAGradient(info) == gt);
REPORTER_ASSERT(reporter, info->fColorCount == fColorCount);
REPORTER_ASSERT(reporter,
!memcmp(info->fColors, fColors, fColorCount * sizeof(SkColor)));
REPORTER_ASSERT(reporter,
!memcmp(info->fColorOffsets, fPos, fColorCount * sizeof(SkScalar)));
REPORTER_ASSERT(reporter, fTileMode == info->fTileMode);
}
