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Fixed a memory bug

This commit is contained in:
Matthias Koefferlein 2022-05-09 01:05:15 +02:00
parent f827e693ef
commit d0f566f84e
1 changed files with 4 additions and 4 deletions
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8
src/laybasic/laybasic/layLayoutCanvas.cc
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@ -640,7 +640,7 @@ LayoutCanvas::paintEvent (QPaintEvent *)
// render the foreground parts .. // render the foreground parts ..
if (m_oversampling == 1) { if (m_oversampling == 1) {
QImage img = full_image.to_image (); QImage img = full_image.to_image_copy (); // NOTE: seems like it's required to create a copy as QPixmap stores a reference to the image
#if QT_VERSION > 0x050000 #if QT_VERSION > 0x050000
img.setDevicePixelRatio (double (m_dpr)); img.setDevicePixelRatio (double (m_dpr));
#endif #endif
@ -649,7 +649,7 @@ LayoutCanvas::paintEvent (QPaintEvent *)
lay::PixelBuffer subsampled_image (m_viewport.width (), m_viewport.height ()); lay::PixelBuffer subsampled_image (m_viewport.width (), m_viewport.height ());
subsampled_image.set_transparent (mp_image->transparent ()); subsampled_image.set_transparent (mp_image->transparent ());
subsample (full_image, subsampled_image, m_oversampling, m_gamma); subsample (full_image, subsampled_image, m_oversampling, m_gamma);
QImage img = subsampled_image.to_image (); QImage img = subsampled_image.to_image_copy (); // NOTE: seems like it's required to create a copy as QPixmap stores a reference to the image
#if QT_VERSION > 0x050000 #if QT_VERSION > 0x050000
img.setDevicePixelRatio (double (m_dpr)); img.setDevicePixelRatio (double (m_dpr));
#endif #endif
@ -658,7 +658,7 @@ LayoutCanvas::paintEvent (QPaintEvent *)
} else if (m_oversampling == 1) { } else if (m_oversampling == 1) {
QImage img = mp_image->to_image (); QImage img = mp_image->to_image_copy (); // NOTE: seems like it's required to create a copy as QPixmap stores a reference to the image
#if QT_VERSION > 0x050000 #if QT_VERSION > 0x050000
img.setDevicePixelRatio (double (m_dpr)); img.setDevicePixelRatio (double (m_dpr));
#endif #endif
@ -669,7 +669,7 @@ LayoutCanvas::paintEvent (QPaintEvent *)
lay::PixelBuffer subsampled_image (m_viewport.width (), m_viewport.height ()); lay::PixelBuffer subsampled_image (m_viewport.width (), m_viewport.height ());
subsampled_image.set_transparent (mp_image->transparent ()); subsampled_image.set_transparent (mp_image->transparent ());
subsample (*mp_image, subsampled_image, m_oversampling, m_gamma); subsample (*mp_image, subsampled_image, m_oversampling, m_gamma);
QImage img = subsampled_image.to_image (); QImage img = subsampled_image.to_image_copy (); // NOTE: seems like it's required to create a copy as QPixmap stores a reference to the image
#if QT_VERSION > 0x050000 #if QT_VERSION > 0x050000
img.setDevicePixelRatio (double (m_dpr)); img.setDevicePixelRatio (double (m_dpr));
#endif #endif