void SkARGB32_Opaque_Blitter::blitMask(const SkMask& mask,
const SkIRect& clip) {
SkASSERT(mask.fBounds.contains(clip));
if (mask.fFormat == SkMask::kBW_Format) {
SkARGB32_BlitBW(fDevice, mask, clip, fPMColor);
return;
}
int x = clip.fLeft;
int y = clip.fTop;
int width = clip.width();
int height = clip.height();
uint32_t* device = fDevice.getAddr32(x, y);
const uint8_t* alpha = mask.getAddr(x, y);
uint32_t srcColor = fPMColor;
unsigned devRB = fDevice.rowBytes() - (width << 2);
unsigned maskRB = mask.fRowBytes - width;
do {
int w = width;
do {
unsigned aa = *alpha++;
*device = SkAlphaMulQ(srcColor, SkAlpha255To256(aa)) + SkAlphaMulQ(*device, SkAlpha255To256(255 - aa));
device += 1;
} while (--w != 0);
device = (uint32_t*)((char*)device + devRB);
alpha += maskRB;
} while (--height != 0);
}
void SkARGB32_Black_Blitter::blitMask(const SkMask& mask, const SkIRect& clip) {
SkASSERT(mask.fBounds.contains(clip));
if (mask.fFormat == SkMask::kBW_Format) {
SkPMColor black = (SkPMColor)(SK_A32_MASK << SK_A32_SHIFT);
SkARGB32_BlitBW(fDevice, mask, clip, black);
} else {
uint32_t* device = fDevice.getAddr32(clip.fLeft, clip.fTop);
const uint8_t* alpha = mask.getAddr(clip.fLeft, clip.fTop);
unsigned width = clip.width();
unsigned height = clip.height();
unsigned deviceRB = fDevice.rowBytes() - (width << 2);
unsigned maskRB = mask.fRowBytes - width;
SkASSERT((int)height > 0);
SkASSERT((int)width > 0);
SkASSERT((int)deviceRB >= 0);
SkASSERT((int)maskRB >= 0);
do {
unsigned w = width;
do {
unsigned aa = *alpha++;
*device = (aa << SK_A32_SHIFT) + SkAlphaMulQ(*device, SkAlpha255To256(255 - aa));
device += 1;
} while (--w != 0);
device = (uint32_t*)((char*)device + deviceRB);
alpha += maskRB;
} while (--height != 0);
}
}
void SkARGB32_Opaque_Blitter::blitMask(const SkMask& mask,
const SkIRect& clip) {
SkASSERT(mask.fBounds.contains(clip));
if (mask.fFormat == SkMask::kBW_Format) {
SkARGB32_BlitBW(fDevice, mask, clip, fPMColor);
return;
} else if (SkMask::kARGB32_Format == mask.fFormat) {
SkARGB32_Blit32(fDevice, mask, clip, fPMColor);
return;
} else if (SkMask::kLCD16_Format == mask.fFormat) {
blitmask_lcd16(fDevice, mask, clip, fPMColor);
return;
} else if (SkMask::kLCD32_Format == mask.fFormat) {
blitmask_lcd32(fDevice, mask, clip, fPMColor);
return;
}
int x = clip.fLeft;
int y = clip.fTop;
int width = clip.width();
int height = clip.height();
fBlitMaskProc(fDevice.getAddr32(x, y), fDevice.rowBytes(),
SkBitmap::kARGB_8888_Config,
mask.getAddr(x, y), mask.fRowBytes, fColor, width, height);
}
void SkARGB32_Opaque_Blitter::blitMask(const SkMask& mask,
const SkIRect& clip) {
SkASSERT(mask.fBounds.contains(clip));
if (SkBlitMask::BlitColor(fDevice, mask, clip, fColor)) {
return;
}
if (mask.fFormat == SkMask::kBW_Format) {
SkARGB32_BlitBW(fDevice, mask, clip, fPMColor);
} else if (SkMask::kARGB32_Format == mask.fFormat) {
SkARGB32_Blit32(fDevice, mask, clip, fPMColor);
}
}
