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LibGfx/PNGWriter: Use a better limit for scanline capactiy

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One scanline is width pixels long, not height pixels.

No measurable performance difference, but it annoys me every time I look
at this file.
This commit is contained in:
Nico Weber 2023-07-11 15:11:32 -04:00 • committed by Sam Atkins
commit 8c13b83a84
Notes: sideshowbarker 2024-07-17 01:46:00 +09:00
1 changed files with 5 additions and 5 deletions
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10
Userland/Libraries/LibGfx/ImageFormats/PNGWriter.cpp
View file

@ -204,19 +204,19 @@ ErrorOr<void> PNGWriter::add_IDAT_chunk(Gfx::Bitmap const& bitmap)
};
Filter none_filter { .type = PNG::FilterType::None };
TRY(none_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.height()));
TRY(none_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.width()));
Filter sub_filter { .type = PNG::FilterType::Sub };
TRY(sub_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.height()));
TRY(sub_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.width()));
Filter up_filter { .type = PNG::FilterType::Up };
TRY(up_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.height()));
TRY(up_filter.buffer.try_ensure_capacity(sizeof(Pixel) * bitmap.width()));
Filter average_filter { .type = PNG::FilterType::Average };
TRY(average_filter.buffer.try_ensure_capacity(sizeof(ARGB32) * bitmap.height()));
TRY(average_filter.buffer.try_ensure_capacity(sizeof(ARGB32) * bitmap.width()));
Filter paeth_filter { .type = PNG::FilterType::Paeth };
TRY(paeth_filter.buffer.try_ensure_capacity(sizeof(ARGB32) * bitmap.height()));
TRY(paeth_filter.buffer.try_ensure_capacity(sizeof(ARGB32) * bitmap.width()));
auto pixel_x_minus_1 = Pixel::gfx_to_png(dummy_scanline[0]);
auto pixel_xy_minus_1 = Pixel::gfx_to_png(dummy_scanline[0]);