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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-04-02 10:02:03 +0200 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2019-04-04 08:31:33 +0000 |
| commit | 7518da2441852a243dc1f5ac23b3e59f7389cb3c (patch) | |
| tree | 7d9aa045e74c4ce1c9129d0d2d0ad77ed0aca76d | |
| parent | ab475878567e5ad014e82f726b5ae3ee10bce2d5 (diff) | |
Update scanline documentation
Change-Id: I019b102e99f99377b528ad5c8a4ccb2a7929f14f
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
| -rw-r--r-- | src/gui/image/qimage.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp index ed6f23ee56..aca1f86bcb 100644 --- a/src/gui/image/qimage.cpp +++ b/src/gui/image/qimage.cpp @@ -1566,7 +1566,9 @@ void QImage::setColor(int i, QRgb c) Returns a pointer to the pixel data at the scanline with index \a i. The first scanline is at index 0. - The scanline data is aligned on a 32-bit boundary. + The scanline data is as minimum 32-bit aligned. For 64-bit formats + it follows the native alignment of 64-bit integers (64-bit for most + platforms, but notably 32-bit on i386). \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 |