diff options
author | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2013-08-14 09:05:42 +0200 |
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committer | Frederik Gladhorn <frederik.gladhorn@digia.com> | 2013-08-14 09:06:31 +0200 |
commit | 5c23199d4e8ff21661dfa5aacc13149178e78cab (patch) | |
tree | 322aee61581d7c85f1ccb65e47d1e79eba1ba6c9 /src/gui/image | |
parent | 252bad7c589e03d3e12df02354b00a84d8e3159a (diff) | |
parent | c8d9b17367cfdcb034d11f8a168ca4ae3993e7c3 (diff) |
Merge remote-tracking branch 'origin/stable' into dev
Conflicts:
configure
mkspecs/macx-xcode/Info.plist.app
mkspecs/macx-xcode/Info.plist.lib
qmake/doc/qmake.qdocconf
src/corelib/global/qglobal.h
tests/auto/other/exceptionsafety/exceptionsafety.pro
tests/auto/widgets/widgets/qcombobox/tst_qcombobox.cpp
Change-Id: I3c769a4a82dc2e99a12c69123fbf17613fd2ac2a
Diffstat (limited to 'src/gui/image')
-rw-r--r-- | src/gui/image/qpnghandler.cpp | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/src/gui/image/qpnghandler.cpp b/src/gui/image/qpnghandler.cpp index 1e906e0d92..e43ac666c7 100644 --- a/src/gui/image/qpnghandler.cpp +++ b/src/gui/image/qpnghandler.cpp @@ -408,9 +408,14 @@ static void read_image_scaled(QImage *outImage, png_structp png_ptr, png_infop i png_uint_32 width; png_uint_32 height; + png_int_32 offset_x; + png_int_32 offset_y; + int bit_depth; int color_type; + int unit_type; png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, 0, 0, 0); + png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y, &unit_type); uchar *data = outImage->bits(); int bpl = outImage->bytesPerLine(); @@ -470,6 +475,10 @@ static void read_image_scaled(QImage *outImage, png_structp png_ptr, png_infop i outImage->setDotsPerMeterX((png_get_x_pixels_per_meter(png_ptr,info_ptr)*oxsz)/ixsz); outImage->setDotsPerMeterY((png_get_y_pixels_per_meter(png_ptr,info_ptr)*oysz)/iysz); + + if (unit_type == PNG_OFFSET_PIXEL) + outImage->setOffset(QPoint(offset_x*oxsz/ixsz, offset_y*oysz/iysz)); + } #if defined(Q_C_CALLBACKS) @@ -550,7 +559,6 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngHeader() return true; } - bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage) { if (state == Error) @@ -585,9 +593,14 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage) } else { png_uint_32 width; png_uint_32 height; + png_int_32 offset_x; + png_int_32 offset_y; + int bit_depth; int color_type; + int unit_type; png_get_IHDR(png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, 0, 0, 0); + png_get_oFFs(png_ptr, info_ptr, &offset_x, &offset_y, &unit_type); uchar *data = outImage->bits(); int bpl = outImage->bytesPerLine(); amp.row_pointers = new png_bytep[height]; @@ -601,6 +614,9 @@ bool Q_INTERNAL_WIN_NO_THROW QPngHandlerPrivate::readPngImage(QImage *outImage) outImage->setDotsPerMeterX(png_get_x_pixels_per_meter(png_ptr,info_ptr)); outImage->setDotsPerMeterY(png_get_y_pixels_per_meter(png_ptr,info_ptr)); + if (unit_type == PNG_OFFSET_PIXEL) + outImage->setOffset(QPoint(offset_x, offset_y)); + // sanity check palette entries if (color_type == PNG_COLOR_TYPE_PALETTE && outImage->format() == QImage::Format_Indexed8) { int color_table_size = outImage->colorCount(); |