ea9904c896
Change-Id: I7447e649dc3ef4e51242f69c7486a3e84e103d2e Reviewed-on: https://gerrit.libreoffice.org/c/core/+/166159 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
627 lines
28 KiB
C++
627 lines
28 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <com/sun/star/geometry/RealSize2D.hpp>
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#include <com/sun/star/geometry/IntegerSize2D.hpp>
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#include <com/sun/star/geometry/IntegerPoint2D.hpp>
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#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
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#include <com/sun/star/rendering/ColorSpaceType.hpp>
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#include <com/sun/star/rendering/RenderingIntent.hpp>
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#include <com/sun/star/rendering/VolatileContentDestroyedException.hpp>
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#include <com/sun/star/rendering/XBitmap.hpp>
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#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
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#include <com/sun/star/rendering/ColorComponentTag.hpp>
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#include <basegfx/point/b2dpoint.hxx>
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#include <basegfx/vector/b2dsize.hxx>
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#include <basegfx/range/b2drectangle.hxx>
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#include <basegfx/point/b2ipoint.hxx>
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#include <basegfx/range/b2irectangle.hxx>
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#include <sal/log.hxx>
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#include <tools/helpers.hxx>
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#include <comphelper/diagnose_ex.hxx>
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#include <vcl/bitmapex.hxx>
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#include <canvasbitmap.hxx>
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#include <vcl/canvastools.hxx>
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#include <vcl/BitmapWriteAccess.hxx>
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using namespace ::com::sun::star;
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namespace vcl::unotools
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{
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uno::Reference< rendering::XBitmap > xBitmapFromBitmapEx(const ::BitmapEx& inputBitmap )
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{
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SAL_INFO( "vcl.helper", "vcl::unotools::xBitmapFromBitmapEx()" );
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return new vcl::unotools::VclCanvasBitmap( inputBitmap );
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}
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namespace
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{
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bool equalsLayout( const rendering::IntegerBitmapLayout& rLHS,
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const rendering::IntegerBitmapLayout& rRHS )
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{
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return
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rLHS.ScanLineBytes == rRHS.ScanLineBytes &&
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rLHS.ScanLineStride == rRHS.ScanLineStride &&
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rLHS.PlaneStride == rRHS.PlaneStride &&
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rLHS.ColorSpace == rRHS.ColorSpace &&
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rLHS.Palette == rRHS.Palette &&
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rLHS.IsMsbFirst == rRHS.IsMsbFirst;
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}
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bool readBmp( sal_Int32 nWidth,
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sal_Int32 nHeight,
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const rendering::IntegerBitmapLayout& rLayout,
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const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap,
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BitmapScopedWriteAccess& rWriteAcc,
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BitmapScopedWriteAccess& rAlphaAcc )
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{
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rendering::IntegerBitmapLayout aCurrLayout;
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geometry::IntegerRectangle2D aRect;
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uno::Sequence<sal_Int8> aPixelData;
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uno::Sequence<rendering::RGBColor> aRGBColors;
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uno::Sequence<rendering::ARGBColor> aARGBColors;
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for( aRect.Y1=0; aRect.Y1<nHeight; ++aRect.Y1 )
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{
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aRect.X1 = 0; aRect.X2 = nWidth; aRect.Y2 = aRect.Y1+1;
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try
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{
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aPixelData = xInputBitmap->getData(aCurrLayout,aRect);
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}
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catch( rendering::VolatileContentDestroyedException& )
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{
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// re-read bmp from the start
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return false;
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}
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if( !equalsLayout(aCurrLayout, rLayout) )
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return false; // re-read bmp from the start
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Scanline pScanline = rWriteAcc->GetScanline( aRect.Y1 );
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if( rAlphaAcc.get() )
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{
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Scanline pScanlineAlpha = rAlphaAcc->GetScanline( aRect.Y1 );
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// read ARGB color
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aARGBColors = rLayout.ColorSpace->convertIntegerToARGB(aPixelData);
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if( rWriteAcc->HasPalette() )
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{
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for( sal_Int32 x=0; x<nWidth; ++x )
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{
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const rendering::ARGBColor& rColor=aARGBColors[x];
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rWriteAcc->SetPixelOnData( pScanline, x,
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BitmapColor(static_cast<sal_uInt8>(rWriteAcc->GetBestPaletteIndex(
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BitmapColor( toByteColor(rColor.Red),
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toByteColor(rColor.Green),
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toByteColor(rColor.Blue))))) );
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rAlphaAcc->SetPixelOnData( pScanlineAlpha, x,
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BitmapColor( toByteColor(rColor.Alpha) ));
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}
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}
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else
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{
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for( sal_Int32 x=0; x<nWidth; ++x )
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{
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const rendering::ARGBColor& rColor=aARGBColors[x];
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rWriteAcc->SetPixelOnData( pScanline, x,
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BitmapColor( toByteColor(rColor.Red),
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toByteColor(rColor.Green),
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toByteColor(rColor.Blue) ));
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rAlphaAcc->SetPixelOnData( pScanlineAlpha, x,
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BitmapColor( toByteColor(rColor.Alpha) ));
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}
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}
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}
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else
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{
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// read RGB color
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aRGBColors = rLayout.ColorSpace->convertIntegerToRGB(aPixelData);
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if( rWriteAcc->HasPalette() )
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{
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for( sal_Int32 x=0; x<nWidth; ++x )
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{
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const rendering::RGBColor& rColor=aRGBColors[x];
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rWriteAcc->SetPixelOnData( pScanline, x,
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BitmapColor(static_cast<sal_uInt8>(rWriteAcc->GetBestPaletteIndex(
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BitmapColor( toByteColor(rColor.Red),
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toByteColor(rColor.Green),
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toByteColor(rColor.Blue))))) );
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}
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}
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else
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{
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for( sal_Int32 x=0; x<nWidth; ++x )
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{
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const rendering::RGBColor& rColor=aRGBColors[x];
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rWriteAcc->SetPixelOnData( pScanline, x,
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BitmapColor( toByteColor(rColor.Red),
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toByteColor(rColor.Green),
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toByteColor(rColor.Blue) ));
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}
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}
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}
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}
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return true;
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}
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}
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::BitmapEx bitmapExFromXBitmap( const uno::Reference< rendering::XIntegerReadOnlyBitmap >& xInputBitmap )
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{
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SAL_INFO( "vcl.helper", "vcl::unotools::bitmapExFromXBitmap()" );
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if( !xInputBitmap.is() )
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return ::BitmapEx();
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// tunnel directly for known implementation
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VclCanvasBitmap* pImplBitmap = dynamic_cast<VclCanvasBitmap*>(xInputBitmap.get());
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if( pImplBitmap )
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return pImplBitmap->getBitmapEx();
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// retrieve data via UNO interface
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// volatile bitmaps are a bit more complicated to read
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// from...
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// loop a few times, until successfully read (for XVolatileBitmap)
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for( int i=0; i<10; ++i )
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{
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sal_Int32 nDepth=0;
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sal_Int32 nAlphaDepth=0;
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const rendering::IntegerBitmapLayout aLayout(
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xInputBitmap->getMemoryLayout());
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OSL_ENSURE(aLayout.ColorSpace.is(),
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"Cannot convert image without color space!");
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if( !aLayout.ColorSpace.is() )
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return ::BitmapEx();
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nDepth = aLayout.ColorSpace->getBitsPerPixel();
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if( xInputBitmap->hasAlpha() )
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{
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// determine alpha channel depth
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const uno::Sequence<sal_Int8> aTags(
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aLayout.ColorSpace->getComponentTags() );
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const sal_Int8* pStart(aTags.getConstArray());
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const std::size_t nLen(aTags.getLength());
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const sal_Int8* pEnd(pStart+nLen);
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const std::ptrdiff_t nAlphaIndex =
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std::find(pStart,pEnd,
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rendering::ColorComponentTag::ALPHA) - pStart;
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if( nAlphaIndex < sal::static_int_cast<std::ptrdiff_t>(nLen) )
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{
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nAlphaDepth = aLayout.ColorSpace->getComponentBitCounts()[nAlphaIndex] > 1 ? 8 : 1;
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nDepth -= nAlphaDepth;
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}
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}
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BitmapPalette aPalette;
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if( aLayout.Palette.is() )
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{
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uno::Reference< rendering::XColorSpace > xPaletteColorSpace(
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aLayout.Palette->getColorSpace());
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ENSURE_OR_THROW(xPaletteColorSpace.is(),
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"Palette without color space");
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const sal_Int32 nEntryCount( aLayout.Palette->getNumberOfEntries() );
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if( nEntryCount <= 256 )
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{
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if( nEntryCount <= 2 )
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nDepth = 1;
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else
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nDepth = 8;
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const sal_uInt16 nPaletteEntries(
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sal::static_int_cast<sal_uInt16>(
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std::min(sal_Int32(255), nEntryCount)));
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// copy palette entries
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aPalette.SetEntryCount(nPaletteEntries);
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uno::Reference<rendering::XBitmapPalette> xPalette( aLayout.Palette );
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uno::Reference<rendering::XColorSpace> xPalColorSpace( xPalette->getColorSpace() );
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uno::Sequence<double> aPaletteEntry;
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for( sal_uInt16 j=0; j<nPaletteEntries; ++j )
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{
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if( !xPalette->getIndex(aPaletteEntry,j) &&
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nAlphaDepth == 0 )
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{
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nAlphaDepth = 1;
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}
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uno::Sequence<rendering::RGBColor> aColors=xPalColorSpace->convertToRGB(aPaletteEntry);
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ENSURE_OR_THROW(aColors.getLength() == 1,
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"Palette returned more or less than one entry");
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const rendering::RGBColor& rColor=aColors[0];
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aPalette[j] = BitmapColor(toByteColor(rColor.Red),
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toByteColor(rColor.Green),
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toByteColor(rColor.Blue));
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}
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}
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}
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const ::Size aPixelSize(
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sizeFromIntegerSize2D(xInputBitmap->getSize()));
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// normalize bitcount
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auto ePixelFormat =
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( nDepth <= 8 ) ? vcl::PixelFormat::N8_BPP :
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vcl::PixelFormat::N24_BPP;
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auto eAlphaPixelFormat = vcl::PixelFormat::N8_BPP;
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::Bitmap aBitmap( aPixelSize,
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ePixelFormat,
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aLayout.Palette.is() ? &aPalette : nullptr );
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::Bitmap aAlpha;
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if( nAlphaDepth )
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aAlpha = Bitmap(aPixelSize,
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eAlphaPixelFormat,
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&Bitmap::GetGreyPalette(
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sal::static_int_cast<sal_uInt16>(1 << nAlphaDepth)) );
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{ // limit scoped access
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BitmapScopedWriteAccess pWriteAccess( aBitmap );
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BitmapScopedWriteAccess pAlphaWriteAccess;
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if (nAlphaDepth)
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pAlphaWriteAccess = aAlpha;
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ENSURE_OR_THROW(pWriteAccess.get() != nullptr,
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"Cannot get write access to bitmap");
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const sal_Int32 nWidth(aPixelSize.Width());
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const sal_Int32 nHeight(aPixelSize.Height());
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if( !readBmp(nWidth,nHeight,aLayout,xInputBitmap,
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pWriteAccess,pAlphaWriteAccess) )
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continue;
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} // limit scoped access
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if( nAlphaDepth )
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return ::BitmapEx( aBitmap,
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AlphaMask( aAlpha ) );
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else
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return ::BitmapEx( aBitmap );
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}
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// failed to read data 10 times - bail out
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return ::BitmapEx();
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}
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geometry::RealSize2D size2DFromSize( const Size& rSize )
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{
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return geometry::RealSize2D( rSize.Width(),
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rSize.Height() );
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}
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Size sizeFromRealSize2D( const geometry::RealSize2D& rSize )
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{
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return Size( static_cast<tools::Long>(rSize.Width + .5),
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static_cast<tools::Long>(rSize.Height + .5) );
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}
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::Size sizeFromB2DSize( const basegfx::B2DVector& rVec )
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{
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return ::Size(basegfx::fround<tools::Long>(rVec.getX()),
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basegfx::fround<tools::Long>(rVec.getY()));
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}
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::Point pointFromB2DPoint( const basegfx::B2DPoint& rPoint )
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{
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return pointFromB2IPoint(basegfx::fround(rPoint));
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}
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::tools::Rectangle rectangleFromB2DRectangle( const basegfx::B2DRange& rRect )
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{
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return rectangleFromB2IRectangle(basegfx::fround(rRect));
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}
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Point pointFromB2IPoint( const basegfx::B2IPoint& rPoint )
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{
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return ::Point( rPoint.getX(),
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rPoint.getY() );
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}
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basegfx::B2IPoint b2IPointFromPoint(Point const& rPoint)
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{
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return basegfx::B2IPoint(rPoint.X(), rPoint.Y());
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}
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tools::Rectangle rectangleFromB2IRectangle( const basegfx::B2IRange& rRect )
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{
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return ::tools::Rectangle( rRect.getMinX(),
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rRect.getMinY(),
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rRect.getMaxX(),
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rRect.getMaxY() );
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}
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basegfx::B2IRectangle b2IRectangleFromRectangle(tools::Rectangle const& rRect)
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{
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// although B2IRange internally has separate height/width emptiness, it doesn't
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// expose any API to let us set them separately, so just do the best we can.
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if (rRect.IsWidthEmpty() && rRect.IsHeightEmpty())
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return basegfx::B2IRange( basegfx::B2ITuple( rRect.Left(), rRect.Top() ) );
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return basegfx::B2IRange( rRect.Left(),
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rRect.Top(),
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rRect.IsWidthEmpty() ? rRect.Left() : rRect.Right(),
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rRect.IsHeightEmpty() ? rRect.Top() : rRect.Bottom() );
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}
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basegfx::B2DSize b2DSizeFromSize(const Size& rSize)
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{
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return basegfx::B2DSize(rSize.Width(), rSize.Height());
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}
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basegfx::B2DVector b2DVectorFromSize(const Size& rSize)
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{
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return basegfx::B2DVector(rSize.Width(), rSize.Height());
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}
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basegfx::B2DPoint b2DPointFromPoint( const ::Point& rPoint )
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{
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return basegfx::B2DPoint( rPoint.X(),
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rPoint.Y() );
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}
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basegfx::B2DRange b2DRectangleFromRectangle( const ::tools::Rectangle& rRect )
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{
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// although B2DRange internally has separate height/width emptiness, it doesn't
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// expose any API to let us set them separately, so just do the best we can.
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if (rRect.IsWidthEmpty() && rRect.IsHeightEmpty())
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return basegfx::B2DRange( basegfx::B2DTuple( rRect.Left(), rRect.Top() ) );
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return basegfx::B2DRectangle( rRect.Left(),
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rRect.Top(),
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rRect.IsWidthEmpty() ? rRect.Left() : rRect.Right(),
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rRect.IsHeightEmpty() ? rRect.Top() : rRect.Bottom() );
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}
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geometry::IntegerSize2D integerSize2DFromSize( const Size& rSize )
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{
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return geometry::IntegerSize2D( rSize.Width(),
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rSize.Height() );
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}
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Size sizeFromIntegerSize2D( const geometry::IntegerSize2D& rSize )
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{
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return Size( rSize.Width,
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rSize.Height );
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}
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Point pointFromIntegerPoint2D( const geometry::IntegerPoint2D& rPoint )
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{
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return Point( rPoint.X,
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rPoint.Y );
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}
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tools::Rectangle rectangleFromIntegerRectangle2D( const geometry::IntegerRectangle2D& rRectangle )
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{
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return tools::Rectangle( rRectangle.X1, rRectangle.Y1,
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rRectangle.X2, rRectangle.Y2 );
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}
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namespace
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{
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class StandardColorSpace : public cppu::WeakImplHelper< css::rendering::XColorSpace >
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{
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private:
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uno::Sequence< sal_Int8 > m_aComponentTags;
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virtual ::sal_Int8 SAL_CALL getType( ) override
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{
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return rendering::ColorSpaceType::RGB;
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}
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virtual uno::Sequence< ::sal_Int8 > SAL_CALL getComponentTags( ) override
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{
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return m_aComponentTags;
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}
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virtual ::sal_Int8 SAL_CALL getRenderingIntent( ) override
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{
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return rendering::RenderingIntent::PERCEPTUAL;
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}
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virtual uno::Sequence< beans::PropertyValue > SAL_CALL getProperties( ) override
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{
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return uno::Sequence< beans::PropertyValue >();
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}
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virtual uno::Sequence< double > SAL_CALL convertColorSpace( const uno::Sequence< double >& deviceColor,
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const uno::Reference< rendering::XColorSpace >& targetColorSpace ) override
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{
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// TODO(P3): if we know anything about target
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// colorspace, this can be greatly sped up
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uno::Sequence<rendering::ARGBColor> aIntermediate(
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convertToARGB(deviceColor));
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return targetColorSpace->convertFromARGB(aIntermediate);
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}
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virtual uno::Sequence< rendering::RGBColor > SAL_CALL convertToRGB( const uno::Sequence< double >& deviceColor ) override
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{
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const double* pIn( deviceColor.getConstArray() );
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const std::size_t nLen( deviceColor.getLength() );
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ENSURE_ARG_OR_THROW2(nLen%4==0,
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"number of channels no multiple of 4",
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static_cast<rendering::XColorSpace*>(this), 0);
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uno::Sequence< rendering::RGBColor > aRes(nLen/4);
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rendering::RGBColor* pOut( aRes.getArray() );
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for( std::size_t i=0; i<nLen; i+=4 )
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{
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*pOut++ = rendering::RGBColor(pIn[0],pIn[1],pIn[2]);
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pIn += 4;
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}
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return aRes;
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}
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virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToARGB( const uno::Sequence< double >& deviceColor ) override
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{
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const double* pIn( deviceColor.getConstArray() );
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const std::size_t nLen( deviceColor.getLength() );
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ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(pIn[3],pIn[0],pIn[1],pIn[2]);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< rendering::ARGBColor > SAL_CALL convertToPARGB( const uno::Sequence< double >& deviceColor ) override
|
|
{
|
|
const double* pIn( deviceColor.getConstArray() );
|
|
const std::size_t nLen( deviceColor.getLength() );
|
|
ENSURE_ARG_OR_THROW2(nLen%4==0,
|
|
"number of channels no multiple of 4",
|
|
static_cast<rendering::XColorSpace*>(this), 0);
|
|
|
|
uno::Sequence< rendering::ARGBColor > aRes(nLen/4);
|
|
rendering::ARGBColor* pOut( aRes.getArray() );
|
|
for( std::size_t i=0; i<nLen; i+=4 )
|
|
{
|
|
*pOut++ = rendering::ARGBColor(pIn[3],pIn[3]*pIn[0],pIn[3]*pIn[1],pIn[3]*pIn[2]);
|
|
pIn += 4;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromRGB( const uno::Sequence< rendering::RGBColor >& rgbColor ) override
|
|
{
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( const auto& rIn : rgbColor )
|
|
{
|
|
*pColors++ = rIn.Red;
|
|
*pColors++ = rIn.Green;
|
|
*pColors++ = rIn.Blue;
|
|
*pColors++ = 1.0;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( const auto& rIn : rgbColor )
|
|
{
|
|
*pColors++ = rIn.Red;
|
|
*pColors++ = rIn.Green;
|
|
*pColors++ = rIn.Blue;
|
|
*pColors++ = rIn.Alpha;
|
|
}
|
|
return aRes;
|
|
}
|
|
virtual uno::Sequence< double > SAL_CALL convertFromPARGB( const uno::Sequence< rendering::ARGBColor >& rgbColor ) override
|
|
{
|
|
const std::size_t nLen( rgbColor.getLength() );
|
|
|
|
uno::Sequence< double > aRes(nLen*4);
|
|
double* pColors=aRes.getArray();
|
|
for( const auto& rIn : rgbColor )
|
|
{
|
|
*pColors++ = rIn.Red/rIn.Alpha;
|
|
*pColors++ = rIn.Green/rIn.Alpha;
|
|
*pColors++ = rIn.Blue/rIn.Alpha;
|
|
*pColors++ = rIn.Alpha;
|
|
}
|
|
return aRes;
|
|
}
|
|
|
|
public:
|
|
StandardColorSpace() : m_aComponentTags(4)
|
|
{
|
|
sal_Int8* pTags = m_aComponentTags.getArray();
|
|
pTags[0] = rendering::ColorComponentTag::RGB_RED;
|
|
pTags[1] = rendering::ColorComponentTag::RGB_GREEN;
|
|
pTags[2] = rendering::ColorComponentTag::RGB_BLUE;
|
|
pTags[3] = rendering::ColorComponentTag::ALPHA;
|
|
}
|
|
};
|
|
}
|
|
|
|
uno::Reference<rendering::XColorSpace> createStandardColorSpace()
|
|
{
|
|
return new StandardColorSpace();
|
|
}
|
|
|
|
uno::Sequence< double > colorToStdColorSpaceSequence( const Color& rColor )
|
|
{
|
|
return
|
|
{
|
|
toDoubleColor(rColor.GetRed()),
|
|
toDoubleColor(rColor.GetGreen()),
|
|
toDoubleColor(rColor.GetBlue()),
|
|
toDoubleColor(rColor.GetAlpha())
|
|
};
|
|
}
|
|
|
|
Color stdColorSpaceSequenceToColor( const uno::Sequence< double >& rColor )
|
|
{
|
|
ENSURE_ARG_OR_THROW( rColor.getLength() == 4,
|
|
"color must have 4 channels" );
|
|
|
|
Color aColor;
|
|
|
|
aColor.SetRed ( toByteColor(rColor[0]) );
|
|
aColor.SetGreen( toByteColor(rColor[1]) );
|
|
aColor.SetBlue ( toByteColor(rColor[2]) );
|
|
aColor.SetAlpha( toByteColor(rColor[3]) );
|
|
|
|
return aColor;
|
|
}
|
|
|
|
uno::Sequence< double > colorToDoubleSequence(
|
|
const Color& rColor,
|
|
const uno::Reference< rendering::XColorSpace >& xColorSpace )
|
|
{
|
|
uno::Sequence<rendering::ARGBColor> aSeq
|
|
{
|
|
{
|
|
toDoubleColor(rColor.GetAlpha()),
|
|
toDoubleColor(rColor.GetRed()),
|
|
toDoubleColor(rColor.GetGreen()),
|
|
toDoubleColor(rColor.GetBlue())
|
|
}
|
|
};
|
|
|
|
return xColorSpace->convertFromARGB(aSeq);
|
|
}
|
|
|
|
Color doubleSequenceToColor(
|
|
const uno::Sequence< double >& rColor,
|
|
const uno::Reference< rendering::XColorSpace >& xColorSpace )
|
|
{
|
|
const rendering::ARGBColor aARGBColor(
|
|
xColorSpace->convertToARGB(rColor)[0]);
|
|
|
|
return Color( ColorAlpha, toByteColor(aARGBColor.Alpha),
|
|
toByteColor(aARGBColor.Red),
|
|
toByteColor(aARGBColor.Green),
|
|
toByteColor(aARGBColor.Blue) );
|
|
}
|
|
|
|
} // namespace canvas
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|