void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) override {
fDst = dst;
fLeft = left;
fTop = top;
fPaintColor = paint.getColor4f();
SkRasterPipeline p(fAlloc);
p.append_load(fSource.colorType(), &fSrcPtr);
if (fSource.colorType() == kAlpha_8_SkColorType) {
// The color for A8 images comes from the (sRGB) paint color.
p.append_set_rgb(fAlloc, fPaintColor);
p.append(SkRasterPipeline::premul);
}
if (auto dstCS = fDst.colorSpace()) {
auto srcCS = fSource.colorSpace();
if (!srcCS || fSource.colorType() == kAlpha_8_SkColorType) {
// We treat untagged images as sRGB.
// A8 images get their r,g,b from the paint color, so they're also sRGB.
srcCS = sk_srgb_singleton();
}
auto srcAT = fSource.isOpaque() ? kOpaque_SkAlphaType
: kPremul_SkAlphaType;
fAlloc->make<SkColorSpaceXformSteps>(srcCS, srcAT,
dstCS, kPremul_SkAlphaType)
->apply(&p, fSource.colorType());
}
if (fPaintColor.fA != 1.0f) {
p.append(SkRasterPipeline::scale_1_float, &fPaintColor.fA);
}
bool is_opaque = fSource.isOpaque() && fPaintColor.fA == 1.0f;
fBlitter = SkCreateRasterPipelineBlitter(fDst, paint, p, is_opaque, fAlloc);
}
void setup(const SkPixmap& dst, int left, int top, const SkPaint& paint) override {
fDst = dst;
fLeft = left;
fTop = top;
fPaintColor = SkColor4f_from_SkColor(paint.getColor(), fDst.colorSpace());
SkRasterPipeline p(fAlloc);
switch (fSource.colorType()) {
case kAlpha_8_SkColorType: p.append(SkRasterPipeline::load_a8, &fSrcPtr); break;
case kGray_8_SkColorType: p.append(SkRasterPipeline::load_g8, &fSrcPtr); break;
case kRGB_565_SkColorType: p.append(SkRasterPipeline::load_565, &fSrcPtr); break;
case kARGB_4444_SkColorType: p.append(SkRasterPipeline::load_4444, &fSrcPtr); break;
case kBGRA_8888_SkColorType: p.append(SkRasterPipeline::load_bgra, &fSrcPtr); break;
case kRGBA_8888_SkColorType: p.append(SkRasterPipeline::load_8888, &fSrcPtr); break;
case kRGBA_F16_SkColorType: p.append(SkRasterPipeline::load_f16, &fSrcPtr); break;
default: SkASSERT(false);
}
if (fDst.colorSpace() &&
(!fSource.colorSpace() || fSource.colorSpace()->gammaCloseToSRGB())) {
p.append_from_srgb(fSource.alphaType());
}
if (fSource.colorType() == kAlpha_8_SkColorType) {
p.append(SkRasterPipeline::set_rgb, &fPaintColor);
p.append(SkRasterPipeline::premul);
}
append_gamut_transform(&p, fAlloc,
fSource.colorSpace(), fDst.colorSpace(), kPremul_SkAlphaType);
if (fPaintColor.fA != 1.0f) {
p.append(SkRasterPipeline::scale_1_float, &fPaintColor.fA);
}
bool is_opaque = fSource.isOpaque() && fPaintColor.fA == 1.0f;
fBlitter = SkCreateRasterPipelineBlitter(fDst, paint, p, is_opaque, fAlloc);
}
