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LibGfx: Mark PNG bitmaps as having unpremultiplied alpha

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Jelle Raaijmakers 2024-08-02 13:02:36 +02:00 • committed by Alexander Kalenik
parent b193fe658d
commit a430ae6dcf
Notes: github-actions[bot] 2024-08-07 18:17:02 +00:00
1 changed files with 2 additions and 2 deletions

4
Userland/Libraries/LibGfx/ImageFormats/PNGLoader.cpp
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@ -253,7 +253,7 @@ ErrorOr<size_t> PNGLoadingContext::read_frames(png_structp png_ptr, png_infop in
png_get_next_frame_fcTL(png_ptr, info_ptr, &width, &height, &x, &y, &delay_num, &delay_den, &dispose_op, &blend_op);
decoded_frame_bitmap = TRY(Bitmap::create(BitmapFormat::BGRA8888, IntSize { static_cast<int>(width), static_cast<int>(height) }));
decoded_frame_bitmap = TRY(Bitmap::create(BitmapFormat::BGRA8888, AlphaType::Unpremultiplied, IntSize { static_cast<int>(width), static_cast<int>(height) }));
row_pointers.resize(height);
for (u32 i = 0; i < height; ++i) {
@ -279,7 +279,7 @@ ErrorOr<size_t> PNGLoadingContext::read_frames(png_structp png_ptr, png_infop in
frame_count = 1;
loop_count = 0;
decoded_frame_bitmap = TRY(Bitmap::create(BitmapFormat::BGRA8888, size));
decoded_frame_bitmap = TRY(Bitmap::create(BitmapFormat::BGRA8888, AlphaType::Unpremultiplied, size));
row_pointers.resize(size.height());
for (int i = 0; i < size.height(); ++i)
row_pointers[i] = decoded_frame_bitmap->scanline_u8(i);