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| author | Gunnar Sletta <gunnar@trolltech.com> | 2009-11-06 11:46:02 (GMT) |
|---|---|---|
| committer | Gunnar Sletta <gunnar@trolltech.com> | 2009-11-06 11:46:02 (GMT) |
| commit | 971c9c84a9cff8370e72fe120867be540e0aca8b (patch) | |
| tree | 6118ba0c9e00836e006d9e0249a0115ef6960991 /src/gui/painting | |
| parent | ddc5383e9ab596d42c0f481c0916234c238e8bb5 (diff) | |
| parent | 38d316a105e05fa66d57c64df283ab463b5b3aee (diff) | |
| download | Qt-971c9c84a9cff8370e72fe120867be540e0aca8b.zip Qt-971c9c84a9cff8370e72fe120867be540e0aca8b.tar.gz Qt-971c9c84a9cff8370e72fe120867be540e0aca8b.tar.bz2 | |
Merge branch '4.6' of git@scm.dev.nokia.troll.no:qt/qt-graphics-team into 4.6
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qblendfunctions.cpp | 40 |
1 files changed, 32 insertions, 8 deletions
diff --git a/src/gui/painting/qblendfunctions.cpp b/src/gui/painting/qblendfunctions.cpp index f8dd424..8737f10 100644 --- a/src/gui/painting/qblendfunctions.cpp +++ b/src/gui/painting/qblendfunctions.cpp @@ -223,11 +223,23 @@ void qt_scale_image_16bit(uchar *destPixels, int dbpl, int h = ty2 - ty1; int w = tx2 - tx1; - const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1; - const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1; + quint32 basex; + quint32 srcy; - quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx; - quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty; + if (sx < 0) { + int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1; + basex = quint32(srcRect.right() * 65536) + dstx; + } else { + int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1; + basex = quint32(srcRect.left() * 65536) + dstx; + } + if (sy < 0) { + int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1; + srcy = quint32(srcRect.bottom() * 65536) + dsty; + } else { + int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1; + srcy = quint32(srcRect.top() * 65536) + dsty; + } quint16 *dst = ((quint16 *) (destPixels + ty1 * dbpl)) + tx1; @@ -723,11 +735,23 @@ template <typename T> void qt_scale_image_32bit(uchar *destPixels, int dbpl, int h = ty2 - ty1; int w = tx2 - tx1; - const int dstx = qCeil((tx1 + 0.5 - qMin(targetRect.left(), targetRect.right())) * ix) - 1; - const int dsty = qCeil((ty1 + 0.5 - qMin(targetRect.top(), targetRect.bottom())) * iy) - 1; + quint32 basex; + quint32 srcy; - quint32 basex = quint32((sx < 0 ? srcRect.right() : srcRect.left()) * 65536) + dstx; - quint32 srcy = quint32((sy < 0 ? srcRect.bottom() : srcRect.top()) * 65536) + dsty; + if (sx < 0) { + int dstx = qFloor((tx1 + 0.5 - targetRect.right()) * ix) + 1; + basex = quint32(srcRect.right() * 65536) + dstx; + } else { + int dstx = qCeil((tx1 + 0.5 - targetRect.left()) * ix) - 1; + basex = quint32(srcRect.left() * 65536) + dstx; + } + if (sy < 0) { + int dsty = qFloor((ty1 + 0.5 - targetRect.bottom()) * iy) + 1; + srcy = quint32(srcRect.bottom() * 65536) + dsty; + } else { + int dsty = qCeil((ty1 + 0.5 - targetRect.top()) * iy) - 1; + srcy = quint32(srcRect.top() * 65536) + dsty; + } quint32 *dst = ((quint32 *) (destPixels + ty1 * dbpl)) + tx1; |