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Diffstat (limited to 'drawinglayer/source/processor2d/vclhelperbufferdevice.cxx')
| -rw-r--r-- | drawinglayer/source/processor2d/vclhelperbufferdevice.cxx | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx b/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx new file mode 100644 index 000000000000..87b33b16c53d --- /dev/null +++ b/drawinglayer/source/processor2d/vclhelperbufferdevice.cxx @@ -0,0 +1,182 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_drawinglayer.hxx" + +#include <vclhelperbufferdevice.hxx> +#include <basegfx/range/b2drange.hxx> +#include <vcl/bitmapex.hxx> +#include <basegfx/matrix/b2dhommatrix.hxx> +#include <tools/stream.hxx> + +////////////////////////////////////////////////////////////////////////////// +// support for rendering Bitmap and BitmapEx contents + +namespace drawinglayer +{ + impBufferDevice::impBufferDevice( + OutputDevice& rOutDev, + const basegfx::B2DRange& rRange, + bool bAddOffsetToMapping) + : mrOutDev(rOutDev), + maContent(rOutDev), + mpMask(0L), + mpAlpha(0L) + { + basegfx::B2DRange aRangePixel(rRange); + aRangePixel.transform(rOutDev.GetViewTransformation()); + const Rectangle aRectPixel( + (sal_Int32)floor(aRangePixel.getMinX()), (sal_Int32)floor(aRangePixel.getMinY()), + (sal_Int32)ceil(aRangePixel.getMaxX()), (sal_Int32)ceil(aRangePixel.getMaxY())); + const Point aEmptyPoint; + maDestPixel = Rectangle(aEmptyPoint, rOutDev.GetOutputSizePixel()); + maDestPixel.Intersection(aRectPixel); + + if(isVisible()) + { + maContent.SetOutputSizePixel(maDestPixel.GetSize(), false); + + // #i93485# assert when copying from window to VDev is used + OSL_ENSURE(rOutDev.GetOutDevType() != OUTDEV_WINDOW, + "impBufferDevice render helper: Copying from Window to VDev, this should be avoided (!)"); + + const bool bWasEnabledSrc(rOutDev.IsMapModeEnabled()); + rOutDev.EnableMapMode(false); + maContent.DrawOutDev(aEmptyPoint, maDestPixel.GetSize(), maDestPixel.TopLeft(), maDestPixel.GetSize(), rOutDev); + rOutDev.EnableMapMode(bWasEnabledSrc); + + MapMode aNewMapMode(rOutDev.GetMapMode()); + + if(bAddOffsetToMapping) + { + const Point aLogicTopLeft(rOutDev.PixelToLogic(maDestPixel.TopLeft())); + aNewMapMode.SetOrigin(Point(-aLogicTopLeft.X(), -aLogicTopLeft.Y())); + } + + maContent.SetMapMode(aNewMapMode); + + // copy AA flag for new target + maContent.SetAntialiasing(mrOutDev.GetAntialiasing()); + } + } + + impBufferDevice::~impBufferDevice() + { + delete mpMask; + delete mpAlpha; + } + + void impBufferDevice::paint(double fTrans) + { + const Point aEmptyPoint; + const Size aSizePixel(maContent.GetOutputSizePixel()); + const bool bWasEnabledDst(mrOutDev.IsMapModeEnabled()); + static bool bDoSaveForVisualControl(false); + + mrOutDev.EnableMapMode(false); + maContent.EnableMapMode(false); + Bitmap aContent(maContent.GetBitmap(aEmptyPoint, aSizePixel)); + + if(bDoSaveForVisualControl) + { + SvFileStream aNew((const String&)String(ByteString( "c:\\content.bmp" ), RTL_TEXTENCODING_UTF8), STREAM_WRITE|STREAM_TRUNC); + aNew << aContent; + } + + if(mpAlpha) + { + mpAlpha->EnableMapMode(false); + const AlphaMask aAlphaMask(mpAlpha->GetBitmap(aEmptyPoint, aSizePixel)); + + if(bDoSaveForVisualControl) + { + SvFileStream aNew((const String&)String(ByteString( "c:\\transparence.bmp" ), RTL_TEXTENCODING_UTF8), STREAM_WRITE|STREAM_TRUNC); + aNew << aAlphaMask.GetBitmap(); + } + + mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aAlphaMask)); + } + else if(mpMask) + { + mpMask->EnableMapMode(false); + const Bitmap aMask(mpMask->GetBitmap(aEmptyPoint, aSizePixel)); + + if(bDoSaveForVisualControl) + { + SvFileStream aNew((const String&)String(ByteString( "c:\\mask.bmp" ), RTL_TEXTENCODING_UTF8), STREAM_WRITE|STREAM_TRUNC); + aNew << aMask; + } + + mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aMask)); + } + else if(0.0 != fTrans) + { + sal_uInt8 nMaskValue((sal_uInt8)basegfx::fround(fTrans * 255.0)); + const AlphaMask aAlphaMask(aSizePixel, &nMaskValue); + mrOutDev.DrawBitmapEx(maDestPixel.TopLeft(), BitmapEx(aContent, aAlphaMask)); + } + else + { + mrOutDev.DrawBitmap(maDestPixel.TopLeft(), aContent); + } + + mrOutDev.EnableMapMode(bWasEnabledDst); + } + + VirtualDevice& impBufferDevice::getMask() + { + if(!mpMask) + { + mpMask = new VirtualDevice(mrOutDev, 1); + mpMask->SetOutputSizePixel(maDestPixel.GetSize(), true); + mpMask->SetMapMode(maContent.GetMapMode()); + + // do NOT copy AA flag for mask! + } + + return *mpMask; + } + + VirtualDevice& impBufferDevice::getTransparence() + { + if(!mpAlpha) + { + mpAlpha = new VirtualDevice(); + mpAlpha->SetOutputSizePixel(maDestPixel.GetSize(), true); + mpAlpha->SetMapMode(maContent.GetMapMode()); + + // copy AA flag for new target; masking needs to be smooth + mpAlpha->SetAntialiasing(maContent.GetAntialiasing()); + } + + return *mpAlpha; + } +} // end of namespace drawinglayer + +////////////////////////////////////////////////////////////////////////////// +// eof |