Epicalert
9fdb6822f6
Need to use QUrl::toLocalFile() instead of QUrl::path() to get the actual file path
68 lines
2 KiB
C++
68 lines
2 KiB
C++
#include "texturecrafter.h"
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TextureCrafter::TextureCrafter(QObject *parent)
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: QObject{parent}
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{}
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void TextureCrafter::packChannels(QVector<QUrl> imagePaths) {
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QVector<QImage> sourceImages;
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int width = 0, height = 0;
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QImage::Format format = QImage::Format_RGB888;
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for (int i = 0; i < imagePaths.length(); i++) {
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// if the ui layer did its job this will always be a file:// url
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QString rawPath = imagePaths[i].toLocalFile();
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QImage newImage(rawPath); // would this cause a use after free idk
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// we just use the first image's dimensions and force the others to conform hehe
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if (width == 0) {
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width = newImage.width();
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}
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if (height == 0) {
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height = newImage.height();
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}
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sourceImages.append(newImage);
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}
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QImage outImage(width, height, format);
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// do the channel packing!!
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// theres probably a faster way to do this but eh
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for (int i = 0; i < width; i++) {
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for (int j = 0; j < height; j++) {
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int r, g, b;
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// too eepy for dry
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r = sourceImages.at(0).pixelColor(i, j).red();
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g = sourceImages.at(1).pixelColor(i, j).green();
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b = sourceImages.at(2).pixelColor(i, j).blue();
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QColor newColor(r, g, b);
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outImage.setPixelColor(i, j, newColor);
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}
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}
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// write it to a temp file
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if (outDir.isValid()) {
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QString outFileName = outDir.path();
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outFileName.append("/out.png");
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printf("wrote to %s\n", outFileName.toLatin1().data());
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//TODO: use libpng and do progressive write to update the progress bar
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if (outImage.save(outFileName)) {
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printf("cool ^-^\n");
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} else {
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//TODO: return some error value to show the user
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printf("that dream is fucked it is fucking fucked\n");
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}
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} else {
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printf("chat its so over\n");
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}
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//do we need to close these??? idk lets hope qt handles it
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}
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