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LibGfx: Set png interlace handling on interlaced images

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Psychpsyo 2024-12-04 19:08:56 +01:00 • committed by Tim Ledbetter
commit 1881a8df4b
Notes: github-actions[bot] 2024-12-04 20:30:07 +00:00
1 changed files with 5 additions and 1 deletions
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6
Libraries/LibGfx/ImageFormats/PNGLoader.cpp
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@ -115,7 +115,8 @@ ErrorOr<void> PNGImageDecoderPlugin::initialize()
u32 height = 0;
int bit_depth = 0;
int color_type = 0;
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, nullptr, nullptr, nullptr);
int interlace_type = 0;
png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, nullptr, nullptr);
m_context->size = { static_cast<int>(width), static_cast<int>(height) };
if (color_type == PNG_COLOR_TYPE_PALETTE)
@ -133,6 +134,9 @@ ErrorOr<void> PNGImageDecoderPlugin::initialize()
if (color_type == PNG_COLOR_TYPE_GRAY || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
png_set_gray_to_rgb(png_ptr);
if (interlace_type != PNG_INTERLACE_NONE)
png_set_interlace_handling(png_ptr);
png_set_filler(png_ptr, 0xFF, PNG_FILLER_AFTER);
png_set_bgr(png_ptr);