71 lines
2 KiB
C++
71 lines
2 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"
|
|
#include <AK/Endian.h>
|
|
#include <AK/LexicalPath.h>
|
|
#include <AK/ScopeGuard.h>
|
|
#include <AK/StringBuilder.h>
|
|
#include <LibGfx/Streamer.h>
|
|
#include <string.h>
|
|
|
|
namespace Gfx {
|
|
|
|
bool read_image_data(PPMLoadingContext& context, Streamer& streamer)
|
|
{
|
|
Vector<Gfx::Color> color_data;
|
|
color_data.ensure_capacity(context.width * context.height);
|
|
|
|
if (context.type == PPMLoadingContext::Type::ASCII) {
|
|
while (true) {
|
|
auto const red_or_error = read_number(streamer);
|
|
if (red_or_error.is_error())
|
|
break;
|
|
|
|
if (read_whitespace(context, streamer).is_error())
|
|
break;
|
|
|
|
auto const green_or_error = read_number(streamer);
|
|
if (green_or_error.is_error())
|
|
break;
|
|
|
|
if (read_whitespace(context, streamer).is_error())
|
|
break;
|
|
|
|
auto const blue_or_error = read_number(streamer);
|
|
if (blue_or_error.is_error())
|
|
break;
|
|
|
|
if (read_whitespace(context, streamer).is_error())
|
|
break;
|
|
|
|
Color color { (u8)red_or_error.value(), (u8)green_or_error.value(), (u8)blue_or_error.value() };
|
|
if (context.format_details.max_val < 255)
|
|
color = adjust_color(context.format_details.max_val, color);
|
|
color_data.append(color);
|
|
}
|
|
} else if (context.type == PPMLoadingContext::Type::RAWBITS) {
|
|
u8 pixel[3];
|
|
while (streamer.read_bytes(pixel, 3)) {
|
|
color_data.append({ pixel[0], pixel[1], pixel[2] });
|
|
}
|
|
}
|
|
|
|
if (context.width * context.height != color_data.size())
|
|
return false;
|
|
|
|
if (!create_bitmap(context)) {
|
|
return false;
|
|
}
|
|
|
|
set_pixels(context, color_data);
|
|
|
|
context.state = PPMLoadingContext::State::Bitmap;
|
|
return true;
|
|
}
|
|
}
|