diff options
Diffstat (limited to 'src/gui/image')
| -rw-r--r-- | src/gui/image/qimage.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index 2a16b2b845..b973b1c6a0 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -1546,6 +1546,10 @@ void QImage::setColor(int i, QRgb c) it follows the native alignment of 64-bit integers (64-bit for most platforms, but notably 32-bit on i386). + For example, to remove the green component of each pixel in an image: + + \snippet code/src_gui_image_qimage.cpp scanLine + \warning If you are accessing 32-bpp image data, cast the returned pointer to \c{QRgb*} (QRgb has a 32-bit size) and use it to read/write the pixel value. You cannot use the \c{uchar*} pointer |