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/*
* Copyright (c) 2020, Hüseyin ASLITÜRK <asliturk@hotmail.com>
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include "PBMLoader.h"
#include "PortableImageLoaderCommon.h"
#include "Streamer.h"
#include <AK/Endian.h>
#include <string.h>
namespace Gfx {
bool read_image_data(PBMLoadingContext& context, Streamer& streamer)
{
u8 byte;
Vector<Gfx::Color> color_data;
if (context.type == PBMLoadingContext::Type::ASCII) {
while (streamer.read(byte)) {
if (byte == '0') {
color_data.append(Color::White);
} else if (byte == '1') {
color_data.append(Color::Black);
}
}
} else if (context.type == PBMLoadingContext::Type::RAWBITS) {
size_t color_index = 0;
while (streamer.read(byte)) {
for (int i = 0; i < 8; i++) {
int val = byte & 0x80;
if (val == 0) {
color_data.append(Color::White);
} else {
color_data.append(Color::Black);
}
byte = byte << 1;
color_index++;
if (color_index % context.width == 0) {
break;
}
}
}
}
size_t context_size = (u32)context.width * (u32)context.height;
if (context_size != color_data.size()) {
dbgln("Not enough color data in image.");
return false;
}
if (!create_bitmap(context)) {
return false;
}
set_pixels(context, color_data);
context.state = PBMLoadingContext::State::Bitmap;
return true;
}
}
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