ladybird/Userland/Libraries/LibGfx/ImageFormats/PPMLoader.cpp
Nico Weber 83ab9f7c2d LibGfx/PNM: Remove unnecessary line
This is already done at the caller decode() in
PortableImageLoaderCommon.h, as pointed out by @LucasChollet at
https://github.com/SerenityOS/serenity/pull/22935#discussion_r1467158789

No behavior change.
2024-01-26 14:53:33 +01:00

50 lines
1.5 KiB
C++

/*
* Copyright (c) 2020, Hüseyin ASLITÜRK <asliturk@hotmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "PPMLoader.h"
#include "PortableImageLoaderCommon.h"
namespace Gfx {
ErrorOr<void> read_image_data(PPMLoadingContext& context)
{
auto const context_size = context.width * context.height;
TRY(create_bitmap(context));
auto& stream = *context.stream;
if (context.type == PPMLoadingContext::Type::ASCII) {
for (u64 i = 0; i < context_size; ++i) {
auto const red = TRY(read_number(stream));
TRY(read_whitespace(context));
auto const green = TRY(read_number(stream));
TRY(read_whitespace(context));
auto const blue = TRY(read_number(stream));
TRY(read_whitespace(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);
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) {
Array<u8, 3> pixel;
Bytes buffer { pixel };
TRY(stream.read_until_filled(buffer));
context.bitmap->set_pixel(i % context.width, i / context.width, { pixel[0], pixel[1], pixel[2] });
}
}
return {};
}
}