diff options
Diffstat (limited to 'drawinglayer/source/processor2d/vclhelperbitmaprender.cxx')
| -rw-r--r-- | drawinglayer/source/processor2d/vclhelperbitmaprender.cxx | 97 |
1 files changed, 88 insertions, 9 deletions
diff --git a/drawinglayer/source/processor2d/vclhelperbitmaprender.cxx b/drawinglayer/source/processor2d/vclhelperbitmaprender.cxx index dd1f5e1b9ed1..1488cd4fd054 100644 --- a/drawinglayer/source/processor2d/vclhelperbitmaprender.cxx +++ b/drawinglayer/source/processor2d/vclhelperbitmaprender.cxx @@ -158,20 +158,56 @@ namespace drawinglayer basegfx::fround(aOutlineRange.getMaxX()), basegfx::fround(aOutlineRange.getMaxY())); const Rectangle aDestRectPixel(rOutDev.LogicToPixel(aDestRectLogic)); - // intersect with output pixel size + // #i96708# check if Metafile is recorded + const GDIMetaFile* pMetaFile = rOutDev.GetConnectMetaFile(); + const bool bRecordToMetaFile(pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause()); + + // intersect with output pixel size, but only + // when not recording to metafile const Rectangle aOutputRectPixel(Point(), rOutDev.GetOutputSizePixel()); - const Rectangle aCroppedRectPixel(aDestRectPixel.GetIntersection(aOutputRectPixel)); + Rectangle aCroppedRectPixel(bRecordToMetaFile ? aDestRectPixel : aDestRectPixel.GetIntersection(aOutputRectPixel)); if(!aCroppedRectPixel.IsEmpty()) { + // as maximum for destination, orientate at SourceSizePixel, but + // take a rotation of 45 degrees (sqrt(2)) as maximum expansion into account + const Size aSourceSizePixel(rBitmapEx.GetSizePixel()); + const double fMaximumArea( + (double)aSourceSizePixel.getWidth() * + (double)aSourceSizePixel.getHeight() * + 1.4142136); // 1.4142136 taken as sqrt(2.0) + + // test if discrete view size (pixel) maybe too big and limit it + const double fArea(aCroppedRectPixel.getWidth() * aCroppedRectPixel.getHeight()); + const bool bNeedToReduce(fArea > fMaximumArea); + double fReduceFactor(1.0); + + if(bNeedToReduce) + { + fReduceFactor = sqrt(fMaximumArea / fArea); + aCroppedRectPixel.setWidth(basegfx::fround(aCroppedRectPixel.getWidth() * fReduceFactor)); + aCroppedRectPixel.setHeight(basegfx::fround(aCroppedRectPixel.getHeight() * fReduceFactor)); + } + // build transform from pixel in aDestination to pixel in rBitmapEx basegfx::B2DHomMatrix aTransform; // from relative in aCroppedRectPixel to relative in aDestRectPixel + // No need to take bNeedToReduce into account, TopLeft is unchanged aTransform.translate(aCroppedRectPixel.Left() - aDestRectPixel.Left(), aCroppedRectPixel.Top() - aDestRectPixel.Top()); - // from relative in aDestRectPixel to absolute Logic - aTransform.scale((double)aDestRectLogic.getWidth() / (double)aDestRectPixel.getWidth(), (double)aDestRectLogic.getHeight() / (double)aDestRectPixel.getHeight()); + // from relative in aDestRectPixel to absolute Logic. Here it + // is essential to adapt to reduce factor (if used) + double fAdaptedDRPWidth((double)aDestRectPixel.getWidth()); + double fAdaptedDRPHeight((double)aDestRectPixel.getHeight()); + + if(bNeedToReduce) + { + fAdaptedDRPWidth *= fReduceFactor; + fAdaptedDRPHeight *= fReduceFactor; + } + + aTransform.scale(aDestRectLogic.getWidth() / fAdaptedDRPWidth, aDestRectLogic.getHeight() / fAdaptedDRPHeight); aTransform.translate(aDestRectLogic.Left(), aDestRectLogic.Top()); // from absolute in Logic to unified object coordinates (0.0 .. 1.0 in x and y) @@ -180,17 +216,60 @@ namespace drawinglayer aTransform = aInvBitmapTransform * aTransform; // from unit object coordinates to rBitmapEx pixel coordintes - const Size aSourceSizePixel(rBitmapEx.GetSizePixel()); aTransform.scale(aSourceSizePixel.getWidth() - 1L, aSourceSizePixel.getHeight() - 1L); // create bitmap using source, destination and linear back-transformation BitmapEx aDestination = impTransformBitmapEx(rBitmapEx, aCroppedRectPixel, aTransform); // paint - const bool bWasEnabled(rOutDev.IsMapModeEnabled()); - rOutDev.EnableMapMode(false); - rOutDev.DrawBitmapEx(aCroppedRectPixel.TopLeft(), aDestination); - rOutDev.EnableMapMode(bWasEnabled); + if(bNeedToReduce) + { + // paint in target size + const double fFactor(1.0 / fReduceFactor); + const Size aDestSizePixel( + basegfx::fround(aCroppedRectPixel.getWidth() * fFactor), + basegfx::fround(aCroppedRectPixel.getHeight() * fFactor)); + + if(bRecordToMetaFile) + { + rOutDev.DrawBitmapEx( + rOutDev.PixelToLogic(aCroppedRectPixel.TopLeft()), + rOutDev.PixelToLogic(aDestSizePixel), + aDestination); + } + else + { + const bool bWasEnabled(rOutDev.IsMapModeEnabled()); + rOutDev.EnableMapMode(false); + + rOutDev.DrawBitmapEx( + aCroppedRectPixel.TopLeft(), + aDestSizePixel, + aDestination); + + rOutDev.EnableMapMode(bWasEnabled); + } + } + else + { + if(bRecordToMetaFile) + { + rOutDev.DrawBitmapEx( + rOutDev.PixelToLogic(aCroppedRectPixel.TopLeft()), + aDestination); + } + else + { + const bool bWasEnabled(rOutDev.IsMapModeEnabled()); + rOutDev.EnableMapMode(false); + + rOutDev.DrawBitmapEx( + aCroppedRectPixel.TopLeft(), + aDestination); + + rOutDev.EnableMapMode(bWasEnabled); + } + } } } } // end of namespace drawinglayer |