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Diffstat (limited to 'src/gui/painting/qimagescale.cpp')
-rw-r--r--src/gui/painting/qimagescale.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/src/gui/painting/qimagescale.cpp b/src/gui/painting/qimagescale.cpp
index 80d1a67a3f..eb5f12389f 100644
--- a/src/gui/painting/qimagescale.cpp
+++ b/src/gui/painting/qimagescale.cpp
@@ -10,8 +10,9 @@
#include "qrgbafloat.h"
#if QT_CONFIG(thread) && !defined(Q_OS_WASM)
-#include "qsemaphore.h"
-#include "qthreadpool.h"
+#include <qsemaphore.h>
+#include <qthreadpool.h>
+#include <private/qthreadpool_p.h>
#endif
QT_BEGIN_NAMESPACE
@@ -273,7 +274,7 @@ static inline void multithread_pixels_function(QImageScaleInfo *isi, int dh, con
#if QT_CONFIG(thread) && !defined(Q_OS_WASM)
int segments = (qsizetype(isi->sh) * isi->sw) / (1<<16);
segments = std::min(segments, dh);
- QThreadPool *threadPool = QThreadPool::globalInstance();
+ QThreadPool *threadPool = QThreadPoolPrivate::qtGuiInstance();
if (segments > 1 && threadPool && !threadPool->contains(QThread::currentThread())) {
QSemaphore semaphore;
int y = 0;
@@ -1207,7 +1208,7 @@ QImage qSmoothScaleImage(const QImage &src, int dw, int dh)
dw, dh, dw, src.bytesPerLine() / 8);
else
#endif
- if (src.hasAlphaChannel())
+ if (src.hasAlphaChannel() || src.format() == QImage::Format_CMYK8888)
qt_qimageScaleAARGBA(scaleinfo, (unsigned int *)buffer.scanLine(0),
dw, dh, dw, src.bytesPerLine() / 4);
else