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| author | Martin Pley <qt@pley.org> | 2014-06-10 10:53:59 (GMT) |
|---|---|---|
| committer | Felix Geyer <debfx@fobos.de> | 2014-09-11 08:58:56 (GMT) |
| commit | 5f0f5dd371cb5fbd1ae1cb8f7b6f03c0109d2d6c (patch) | |
| tree | 64b91882e68c7ed8d1775ebb797975bfe4dbf199 /src | |
| parent | ba3ca7585ea0bef493e4aa492cbe5b738e65f6aa (diff) | |
| download | Qt-5f0f5dd371cb5fbd1ae1cb8f7b6f03c0109d2d6c.zip Qt-5f0f5dd371cb5fbd1ae1cb8f7b6f03c0109d2d6c.tar.gz Qt-5f0f5dd371cb5fbd1ae1cb8f7b6f03c0109d2d6c.tar.bz2 | |
QPdf::addImage(): avoid a QImage detach when it's in an acceptable Format
Don't detach QImage, when it's in Format_Mono or Format_ARG32.
Use QImage::constScanLine() instead of QImage::scanLine().
Change-Id: I30fcafb576aea3189637a40fd75f77c70017ba46
Reviewed-by: John Layt <jlayt@kde.org>
Reviewed-by: Gunnar Sletta <gunnar.sletta@jollamobile.com>
(cherry picked from qtbase/1a32cc0ae42a4a49f2d45b8ad8251ec40a30bf76)
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/painting/qprintengine_pdf.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/gui/painting/qprintengine_pdf.cpp b/src/gui/painting/qprintengine_pdf.cpp index b622611..57dc162 100644 --- a/src/gui/painting/qprintengine_pdf.cpp +++ b/src/gui/painting/qprintengine_pdf.cpp @@ -559,7 +559,7 @@ int QPdfEnginePrivate::addImage(const QImage &img, bool *bitmap, qint64 serial_n data.resize(bytesPerLine * h); char *rawdata = data.data(); for (int y = 0; y < h; ++y) { - memcpy(rawdata, image.scanLine(y), bytesPerLine); + memcpy(rawdata, image.constScanLine(y), bytesPerLine); rawdata += bytesPerLine; } object = writeImage(data, w, h, d, 0, 0); @@ -581,7 +581,7 @@ int QPdfEnginePrivate::addImage(const QImage &img, bool *bitmap, qint64 serial_n softMaskData.resize(w * h); uchar *sdata = (uchar *)softMaskData.data(); for (int y = 0; y < h; ++y) { - const QRgb *rgb = (const QRgb *)image.scanLine(y); + const QRgb *rgb = (const QRgb *)image.constScanLine(y); for (int x = 0; x < w; ++x) { uchar alpha = qAlpha(*rgb); *sdata++ = alpha; @@ -597,7 +597,7 @@ int QPdfEnginePrivate::addImage(const QImage &img, bool *bitmap, qint64 serial_n softMaskData.resize(w * h); uchar *sdata = (uchar *)softMaskData.data(); for (int y = 0; y < h; ++y) { - const QRgb *rgb = (const QRgb *)image.scanLine(y); + const QRgb *rgb = (const QRgb *)image.constScanLine(y); if (colorMode == QPrinter::GrayScale) { for (int x = 0; x < w; ++x) { *(data++) = qGray(*rgb); |