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sw_engine image: apply rgba blending.

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rgba requires the default blending.
This commit is contained in:
Hermet Park 2021-11-23 15:19:50 +09:00
parent 5e81beec53
commit 16d5907642
1 changed files with 5 additions and 4 deletions
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9
src/lib/sw_engine/tvgSwRaster.cpp
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@ -662,7 +662,7 @@ static bool _rasterDirectRleRGBAImage(SwSurface* surface, const SwImage* image)
auto img = image->data + (span->y + image->oy) * image->stride + (span->x + image->ox);
if (span->coverage == 255) {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img) {
*dst = *img;
*dst = *img + ALPHA_BLEND(*dst, surface->blender.ialpha(*img));
}
} else {
for (uint32_t x = 0; x < span->len; ++x, ++dst, ++img) {
@ -911,7 +911,8 @@ static bool _rasterTransformedRGBAImage(SwSurface* surface, const SwImage* image
auto rX = static_cast<uint32_t>(roundf(x * itransform->e11 + ey1));
auto rY = static_cast<uint32_t>(roundf(x * itransform->e21 + ey2));
if (rX >= w || rY >= h) continue;
*dst = img[rX + (rY * image->stride)];
auto src = img[rX + (rY * image->stride)];
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
return true;
@ -935,7 +936,7 @@ static bool _rasterDownScaledRGBAImage(SwSurface* surface, const SwImage* image,
uint32_t src;
if (rX < halfScale || rY < halfScale || rX >= w - halfScale || rY >= h - halfScale) src = img[rX + (rY * w)];
else src = _interpDownScaler(img, w, h, rX, rY, halfScale);
*dst = src;
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
return true;
@ -961,7 +962,7 @@ static bool _rasterUpScaledRGBAImage(SwSurface* surface, const SwImage* image, c
uint32_t src;
if (rX == w - 1 || rY == h - 1) src = img[rX + (rY * w)];
else src = _interpUpScaler(img, w, h, fX, fY);
*dst = src;
*dst = src + ALPHA_BLEND(*dst, surface->blender.ialpha(src));
}
}
return true;