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Fix Qt5 compatibility

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This commit is contained in:
Luis Ángel San Martín 2024-08-31 14:02:17 +02:00
parent 819f456d6e
commit 8f42aae53a
1 changed files with 9 additions and 6 deletions
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15
image_processing/resize_image.cpp
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@ -1,5 +1,6 @@
#include "resize_image.h" #include "resize_image.h"
#include "qmath.h"
#include <QtConcurrent> #include <QtConcurrent>
#include <QImage> #include <QImage>
#include <QColor> #include <QColor>
@ -293,14 +294,17 @@ QImage scaleImageLanczos(const QImage &sourceImage, int targetWidth, int targetH
rows[i] = i; rows[i] = i;
} }
QFuture<QVector<QRgb>> future = QtConcurrent::mapped(rows, [targetWidth, targetHeight, &sourceImage, a](int y) { // Use a QVector to store the results of the processed rows
return processRow(y, targetWidth, targetHeight, sourceImage, a); QVector<QVector<QRgb>> results(targetHeight);
// Launch concurrent tasks using QtConcurrent::map, which modifies the container in place
QtConcurrent::blockingMap(rows, [&results, targetWidth, targetHeight, &sourceImage, a](int y) {
results[y] = processRow(y, targetWidth, targetHeight, sourceImage, a);
}); });
future.waitForFinished(); // Set the pixels in the target image
for (int y = 0; y < targetHeight; ++y) { for (int y = 0; y < targetHeight; ++y) {
QVector<QRgb> row = future.resultAt(y); const QVector<QRgb> &row = results[y];
for (int x = 0; x < targetWidth; ++x) { for (int x = 0; x < targetWidth; ++x) {
targetImage.setPixel(x, y, row[x]); targetImage.setPixel(x, y, row[x]);
} }
@ -308,7 +312,6 @@ QImage scaleImageLanczos(const QImage &sourceImage, int targetWidth, int targetH
return targetImage; return targetImage;
} }
QPixmap scalePixmapLanczosQt(const QPixmap &pixmap, int targetWidth, int targetHeight, int a) QPixmap scalePixmapLanczosQt(const QPixmap &pixmap, int targetWidth, int targetHeight, int a)
{ {
QImage sourceImage = pixmap.toImage(); QImage sourceImage = pixmap.toImage();