1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove 29*cdf0e10cSrcweir #include "precompiled_slideshow.hxx" 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir // must be first 32*cdf0e10cSrcweir #include <canvas/debug.hxx> 33*cdf0e10cSrcweir #include <tools/diagnose_ex.h> 34*cdf0e10cSrcweir 35*cdf0e10cSrcweir #include "viewbackgroundshape.hxx" 36*cdf0e10cSrcweir #include "tools.hxx" 37*cdf0e10cSrcweir 38*cdf0e10cSrcweir #include <rtl/logfile.hxx> 39*cdf0e10cSrcweir #include <rtl/math.hxx> 40*cdf0e10cSrcweir 41*cdf0e10cSrcweir #include <comphelper/anytostring.hxx> 42*cdf0e10cSrcweir #include <cppuhelper/exc_hlp.hxx> 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir #include <basegfx/polygon/b2dpolygontools.hxx> 45*cdf0e10cSrcweir #include <basegfx/polygon/b2dpolygon.hxx> 46*cdf0e10cSrcweir #include <basegfx/numeric/ftools.hxx> 47*cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx> 48*cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrixtools.hxx> 49*cdf0e10cSrcweir 50*cdf0e10cSrcweir #include <com/sun/star/rendering/XCanvas.hpp> 51*cdf0e10cSrcweir 52*cdf0e10cSrcweir #include <canvas/verbosetrace.hxx> 53*cdf0e10cSrcweir #include <canvas/canvastools.hxx> 54*cdf0e10cSrcweir #include <cppcanvas/vclfactory.hxx> 55*cdf0e10cSrcweir #include <cppcanvas/basegfxfactory.hxx> 56*cdf0e10cSrcweir #include <cppcanvas/renderer.hxx> 57*cdf0e10cSrcweir #include <cppcanvas/bitmap.hxx> 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir using namespace ::com::sun::star; 60*cdf0e10cSrcweir 61*cdf0e10cSrcweir 62*cdf0e10cSrcweir namespace slideshow 63*cdf0e10cSrcweir { 64*cdf0e10cSrcweir namespace internal 65*cdf0e10cSrcweir { 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir bool ViewBackgroundShape::prefetch( const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas, 68*cdf0e10cSrcweir const GDIMetaFileSharedPtr& rMtf ) const 69*cdf0e10cSrcweir { 70*cdf0e10cSrcweir RTL_LOGFILE_CONTEXT( aLog, "::presentation::internal::ViewBackgroundShape::prefetch()" ); 71*cdf0e10cSrcweir ENSURE_OR_RETURN_FALSE( rMtf, 72*cdf0e10cSrcweir "ViewBackgroundShape::prefetch(): no valid metafile!" ); 73*cdf0e10cSrcweir 74*cdf0e10cSrcweir const ::basegfx::B2DHomMatrix& rCanvasTransform( 75*cdf0e10cSrcweir mpViewLayer->getTransformation() ); 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir if( !mxBitmap.is() || 78*cdf0e10cSrcweir rMtf != mpLastMtf || 79*cdf0e10cSrcweir rCanvasTransform != maLastTransformation ) 80*cdf0e10cSrcweir { 81*cdf0e10cSrcweir // buffered bitmap is invalid, re-create 82*cdf0e10cSrcweir 83*cdf0e10cSrcweir // determine transformed page bounds 84*cdf0e10cSrcweir ::basegfx::B2DRectangle aTmpRect; 85*cdf0e10cSrcweir ::canvas::tools::calcTransformedRectBounds( aTmpRect, 86*cdf0e10cSrcweir maBounds, 87*cdf0e10cSrcweir rCanvasTransform ); 88*cdf0e10cSrcweir 89*cdf0e10cSrcweir // determine pixel size of bitmap (choose it one pixel 90*cdf0e10cSrcweir // larger, as polygon rendering takes one pixel more 91*cdf0e10cSrcweir // to the right and to the bottom) 92*cdf0e10cSrcweir const ::basegfx::B2ISize aBmpSizePixel( 93*cdf0e10cSrcweir ::basegfx::fround( aTmpRect.getRange().getX() + 1), 94*cdf0e10cSrcweir ::basegfx::fround( aTmpRect.getRange().getY() + 1) ); 95*cdf0e10cSrcweir 96*cdf0e10cSrcweir // create a bitmap of appropriate size 97*cdf0e10cSrcweir ::cppcanvas::BitmapSharedPtr pBitmap( 98*cdf0e10cSrcweir ::cppcanvas::BaseGfxFactory::getInstance().createBitmap( 99*cdf0e10cSrcweir rDestinationCanvas, 100*cdf0e10cSrcweir aBmpSizePixel ) ); 101*cdf0e10cSrcweir 102*cdf0e10cSrcweir ENSURE_OR_THROW( pBitmap, 103*cdf0e10cSrcweir "ViewBackgroundShape::prefetch(): Cannot create background bitmap" ); 104*cdf0e10cSrcweir 105*cdf0e10cSrcweir ::cppcanvas::BitmapCanvasSharedPtr pBitmapCanvas( pBitmap->getBitmapCanvas() ); 106*cdf0e10cSrcweir 107*cdf0e10cSrcweir ENSURE_OR_THROW( pBitmapCanvas, 108*cdf0e10cSrcweir "ViewBackgroundShape::prefetch(): Cannot create background bitmap canvas" ); 109*cdf0e10cSrcweir 110*cdf0e10cSrcweir // clear bitmap 111*cdf0e10cSrcweir initSlideBackground( pBitmapCanvas, 112*cdf0e10cSrcweir aBmpSizePixel ); 113*cdf0e10cSrcweir 114*cdf0e10cSrcweir // apply linear part of destination canvas transformation (linear means in this context: 115*cdf0e10cSrcweir // transformation without any translational components) 116*cdf0e10cSrcweir ::basegfx::B2DHomMatrix aLinearTransform( rCanvasTransform ); 117*cdf0e10cSrcweir aLinearTransform.set( 0, 2, 0.0 ); 118*cdf0e10cSrcweir aLinearTransform.set( 1, 2, 0.0 ); 119*cdf0e10cSrcweir pBitmapCanvas->setTransformation( aLinearTransform ); 120*cdf0e10cSrcweir 121*cdf0e10cSrcweir const basegfx::B2DHomMatrix aShapeTransform(basegfx::tools::createScaleTranslateB2DHomMatrix( 122*cdf0e10cSrcweir maBounds.getWidth(), maBounds.getHeight(), 123*cdf0e10cSrcweir maBounds.getMinX(), maBounds.getMinY())); 124*cdf0e10cSrcweir 125*cdf0e10cSrcweir ::cppcanvas::RendererSharedPtr pRenderer( 126*cdf0e10cSrcweir ::cppcanvas::VCLFactory::getInstance().createRenderer( 127*cdf0e10cSrcweir pBitmapCanvas, 128*cdf0e10cSrcweir *rMtf.get(), 129*cdf0e10cSrcweir ::cppcanvas::Renderer::Parameters() ) ); 130*cdf0e10cSrcweir 131*cdf0e10cSrcweir ENSURE_OR_RETURN_FALSE( pRenderer, 132*cdf0e10cSrcweir "ViewBackgroundShape::prefetch(): Could not create Renderer" ); 133*cdf0e10cSrcweir 134*cdf0e10cSrcweir pRenderer->setTransformation( aShapeTransform ); 135*cdf0e10cSrcweir pRenderer->draw(); 136*cdf0e10cSrcweir 137*cdf0e10cSrcweir mxBitmap = pBitmap->getUNOBitmap(); 138*cdf0e10cSrcweir } 139*cdf0e10cSrcweir 140*cdf0e10cSrcweir mpLastMtf = rMtf; 141*cdf0e10cSrcweir maLastTransformation = rCanvasTransform; 142*cdf0e10cSrcweir 143*cdf0e10cSrcweir return mxBitmap.is(); 144*cdf0e10cSrcweir } 145*cdf0e10cSrcweir 146*cdf0e10cSrcweir ViewBackgroundShape::ViewBackgroundShape( const ViewLayerSharedPtr& rViewLayer, 147*cdf0e10cSrcweir const ::basegfx::B2DRectangle& rShapeBounds ) : 148*cdf0e10cSrcweir mpViewLayer( rViewLayer ), 149*cdf0e10cSrcweir mxBitmap(), 150*cdf0e10cSrcweir mpLastMtf(), 151*cdf0e10cSrcweir maLastTransformation(), 152*cdf0e10cSrcweir maBounds( rShapeBounds ) 153*cdf0e10cSrcweir { 154*cdf0e10cSrcweir ENSURE_OR_THROW( mpViewLayer, "ViewBackgroundShape::ViewBackgroundShape(): Invalid View" ); 155*cdf0e10cSrcweir ENSURE_OR_THROW( mpViewLayer->getCanvas(), "ViewBackgroundShape::ViewBackgroundShape(): Invalid ViewLayer canvas" ); 156*cdf0e10cSrcweir } 157*cdf0e10cSrcweir 158*cdf0e10cSrcweir ViewLayerSharedPtr ViewBackgroundShape::getViewLayer() const 159*cdf0e10cSrcweir { 160*cdf0e10cSrcweir return mpViewLayer; 161*cdf0e10cSrcweir } 162*cdf0e10cSrcweir 163*cdf0e10cSrcweir bool ViewBackgroundShape::render( const GDIMetaFileSharedPtr& rMtf ) const 164*cdf0e10cSrcweir { 165*cdf0e10cSrcweir RTL_LOGFILE_CONTEXT( aLog, "::presentation::internal::ViewBackgroundShape::draw()" ); 166*cdf0e10cSrcweir 167*cdf0e10cSrcweir const ::cppcanvas::CanvasSharedPtr& rDestinationCanvas( mpViewLayer->getCanvas() ); 168*cdf0e10cSrcweir 169*cdf0e10cSrcweir if( !prefetch( rDestinationCanvas, rMtf ) ) 170*cdf0e10cSrcweir return false; 171*cdf0e10cSrcweir 172*cdf0e10cSrcweir ENSURE_OR_RETURN_FALSE( mxBitmap.is(), 173*cdf0e10cSrcweir "ViewBackgroundShape::draw(): Invalid background bitmap" ); 174*cdf0e10cSrcweir 175*cdf0e10cSrcweir ::basegfx::B2DHomMatrix aTransform( mpViewLayer->getTransformation() ); 176*cdf0e10cSrcweir 177*cdf0e10cSrcweir // invert the linear part of the view transformation 178*cdf0e10cSrcweir // (i.e. the view transformation without translational 179*cdf0e10cSrcweir // components), to be able to leave the canvas 180*cdf0e10cSrcweir // transformation intact (would otherwise destroy possible 181*cdf0e10cSrcweir // clippings, as the clip polygon is relative to the view 182*cdf0e10cSrcweir // coordinate system). 183*cdf0e10cSrcweir aTransform.set(0,2, 0.0 ); 184*cdf0e10cSrcweir aTransform.set(1,2, 0.0 ); 185*cdf0e10cSrcweir aTransform.invert(); 186*cdf0e10cSrcweir 187*cdf0e10cSrcweir rendering::RenderState aRenderState; 188*cdf0e10cSrcweir ::canvas::tools::initRenderState( aRenderState ); 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir ::canvas::tools::setRenderStateTransform( aRenderState, aTransform ); 191*cdf0e10cSrcweir 192*cdf0e10cSrcweir try 193*cdf0e10cSrcweir { 194*cdf0e10cSrcweir rDestinationCanvas->getUNOCanvas()->drawBitmap( mxBitmap, 195*cdf0e10cSrcweir rDestinationCanvas->getViewState(), 196*cdf0e10cSrcweir aRenderState ); 197*cdf0e10cSrcweir } 198*cdf0e10cSrcweir catch( uno::Exception& ) 199*cdf0e10cSrcweir { 200*cdf0e10cSrcweir OSL_ENSURE( false, 201*cdf0e10cSrcweir rtl::OUStringToOString( 202*cdf0e10cSrcweir comphelper::anyToString( cppu::getCaughtException() ), 203*cdf0e10cSrcweir RTL_TEXTENCODING_UTF8 ).getStr() ); 204*cdf0e10cSrcweir 205*cdf0e10cSrcweir return false; 206*cdf0e10cSrcweir } 207*cdf0e10cSrcweir 208*cdf0e10cSrcweir return true; 209*cdf0e10cSrcweir } 210*cdf0e10cSrcweir 211*cdf0e10cSrcweir } 212*cdf0e10cSrcweir } 213