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LibGfx/PortableFormat: Write directly to the bitmap

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No need to copy the data first to a Vector and then to the Bitmap. We
can skip this unnecessary step.
This commit is contained in:
Lucas CHOLLET 2023-06-06 11:59:38 -04:00 • committed by Jelle Raaijmakers
parent d8c1150f6b
commit d00a563462
4 changed files with 19 additions and 55 deletions
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12
Userland/Libraries/LibGfx/ImageFormats/PPMLoader.cpp
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@ -12,9 +12,9 @@ namespace Gfx {
ErrorOr<void> read_image_data(PPMLoadingContext& context)
{
Vector<Gfx::Color> color_data;
auto const context_size = context.width * context.height;
color_data.resize(context_size);
TRY(create_bitmap(context));
auto& stream = *context.stream;
@ -32,7 +32,7 @@ ErrorOr<void> read_image_data(PPMLoadingContext& context)
Color color { static_cast<u8>(red), static_cast<u8>(green), static_cast<u8>(blue) };
if (context.format_details.max_val < 255)
color = adjust_color(context.format_details.max_val, color);
color_data[i] = color;
context.bitmap->set_pixel(i % context.width, i / context.width, color);
}
} else if (context.type == PPMLoadingContext::Type::RAWBITS) {
for (u64 i = 0; i < context_size; ++i) {
@ -41,14 +41,10 @@ ErrorOr<void> read_image_data(PPMLoadingContext& context)
TRY(stream.read_until_filled(buffer));
color_data[i] = { pixel[0], pixel[1], pixel[2] };
context.bitmap->set_pixel(i % context.width, i / context.width, { pixel[0], pixel[1], pixel[2] });
}
}
TRY(create_bitmap(context));
set_pixels(context, color_data);
context.state = PPMLoadingContext::State::Bitmap;
return {};
}