citra/src/citra_qt/qt_image_interface.cpp

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// Copyright 2019 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <QBuffer>
#include <QImage>
#include <QString>
#include "common/logging/log.h"
#include "core/frontend/image_interface.h"
#include "qt_image_interface.h"
bool QtImageInterface::DecodePNG(std::vector<u8>& dst, u32& width, u32& height,
const std::string& path) {
QImage image(QString::fromStdString(path));
if (image.isNull()) {
LOG_ERROR(Frontend, "Failed to open {} for decoding", path);
return false;
}
width = image.width();
height = image.height();
// Write RGBA8 to vector
for (u32 y = 1; y < image.height() + 1; y++) {
for (u32 x = 1; x < image.width() + 1; x++) {
const QColor pixel(image.pixel(y, x));
dst.push_back(pixel.red());
dst.push_back(pixel.green());
dst.push_back(pixel.blue());
dst.push_back(pixel.alpha());
}
}
return true;
}
bool QtImageInterface::EncodePNG(const std::string& path, const std::vector<u8>& src, u32 width,
u32 height) {
QImage image(src.data(), width, height, QImage::Format_RGBA8888);
if (!image.save(QString::fromStdString(path))) {
LOG_ERROR(Frontend, "Failed to save {}", path);
return false;
}
return true;
}