diff options
| author | Teemu Katajisto <teemu.katajisto@digia.com> | 2012-10-05 13:48:43 +0300 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-10-08 08:51:09 +0200 |
| commit | 179437bdbad3fa2f27ea7fc3a4284a844cb30792 (patch) | |
| tree | a8327fcb729903f8c0de292bb2f769f3cf1b4a05 /src/plugins/platforms/cocoa/qcocoahelpers.mm | |
| parent | 1bd710cbc77f71451527b9436c2d8935d8526bd5 (diff) | |
Cocoa: add qWarnining when trying to create 0 width/height CGImages
Add meaningful warnings when trying to create 0 width/height CGImages.
This way it is easier to track down the place where valid size is not
used.
Change-Id: Id261ddf72d5487afcdb1a2a6d0d9079700888545
Reviewed-by: Morten Johan Sørvig <morten.sorvig@digia.com>
Diffstat (limited to 'src/plugins/platforms/cocoa/qcocoahelpers.mm')
| -rw-r--r-- | src/plugins/platforms/cocoa/qcocoahelpers.mm | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/plugins/platforms/cocoa/qcocoahelpers.mm b/src/plugins/platforms/cocoa/qcocoahelpers.mm index d950878c28..8841a65844 100644 --- a/src/plugins/platforms/cocoa/qcocoahelpers.mm +++ b/src/plugins/platforms/cocoa/qcocoahelpers.mm @@ -79,6 +79,12 @@ static void drawImageReleaseData (void *info, const void *, size_t) CGImageRef qt_mac_image_to_cgimage(const QImage &img) { + if (img.width() <= 0 || img.height() <= 0) { + qWarning() << Q_FUNC_INFO << + "trying to set" << img.width() << "x" << img.height() << "size for CGImage"; + return 0; + } + QImage *image; if (img.depth() != 32) image = new QImage(img.convertToFormat(QImage::Format_ARGB32_Premultiplied)); |