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 #ifndef _DXCANVAS_CANVASHELPER_HXX_ 29*cdf0e10cSrcweir #define _DXCANVAS_CANVASHELPER_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <com/sun/star/rendering/XCanvas.hpp> 32*cdf0e10cSrcweir 33*cdf0e10cSrcweir #include <basegfx/vector/b2isize.hxx> 34*cdf0e10cSrcweir #include <basegfx/vector/b2dsize.hxx> 35*cdf0e10cSrcweir 36*cdf0e10cSrcweir #include "dx_graphicsprovider.hxx" 37*cdf0e10cSrcweir #include "dx_gdiplususer.hxx" 38*cdf0e10cSrcweir #include "dx_impltools.hxx" 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir #include <boost/utility.hpp> 41*cdf0e10cSrcweir 42*cdf0e10cSrcweir 43*cdf0e10cSrcweir namespace dxcanvas 44*cdf0e10cSrcweir { 45*cdf0e10cSrcweir /** Helper class for basic canvas functionality. Also offers 46*cdf0e10cSrcweir optional backbuffer painting, when providing it with a second 47*cdf0e10cSrcweir HDC to render into. 48*cdf0e10cSrcweir */ 49*cdf0e10cSrcweir class CanvasHelper : private ::boost::noncopyable 50*cdf0e10cSrcweir { 51*cdf0e10cSrcweir public: 52*cdf0e10cSrcweir CanvasHelper(); 53*cdf0e10cSrcweir 54*cdf0e10cSrcweir /// Release all references 55*cdf0e10cSrcweir void disposing(); 56*cdf0e10cSrcweir 57*cdf0e10cSrcweir /** Initialize canvas helper 58*cdf0e10cSrcweir 59*cdf0e10cSrcweir This method late-initializes the canvas helper, providing 60*cdf0e10cSrcweir it with the necessary device and output objects. Note that 61*cdf0e10cSrcweir the CanvasHelper does <em>not</em> take ownership of the 62*cdf0e10cSrcweir passed rDevice reference, nor does it perform any 63*cdf0e10cSrcweir reference counting. Thus, to prevent the reference counted 64*cdf0e10cSrcweir SpriteCanvas object from deletion, the user of this class 65*cdf0e10cSrcweir is responsible for holding ref-counted references itself! 66*cdf0e10cSrcweir 67*cdf0e10cSrcweir @param rDevice 68*cdf0e10cSrcweir Reference device this canvas is associated with 69*cdf0e10cSrcweir 70*cdf0e10cSrcweir */ 71*cdf0e10cSrcweir void setDevice( com::sun::star::rendering::XGraphicDevice& rDevice ); 72*cdf0e10cSrcweir 73*cdf0e10cSrcweir /** Set the target for rendering operations 74*cdf0e10cSrcweir 75*cdf0e10cSrcweir @param rTarget 76*cdf0e10cSrcweir Render target 77*cdf0e10cSrcweir */ 78*cdf0e10cSrcweir void setTarget( const GraphicsProviderSharedPtr& rTarget ); 79*cdf0e10cSrcweir 80*cdf0e10cSrcweir /** Set the target for rendering operations 81*cdf0e10cSrcweir 82*cdf0e10cSrcweir @param rTarget 83*cdf0e10cSrcweir Render target 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir @param rOutputOffset 86*cdf0e10cSrcweir Output offset in pixel 87*cdf0e10cSrcweir */ 88*cdf0e10cSrcweir void setTarget( const GraphicsProviderSharedPtr& rTarget, 89*cdf0e10cSrcweir const ::basegfx::B2ISize& rOutputOffset ); 90*cdf0e10cSrcweir 91*cdf0e10cSrcweir 92*cdf0e10cSrcweir // CanvasHelper functionality 93*cdf0e10cSrcweir // ========================== 94*cdf0e10cSrcweir 95*cdf0e10cSrcweir // XCanvas (only providing, not implementing the 96*cdf0e10cSrcweir // interface. Also note subtle method parameter differences) 97*cdf0e10cSrcweir void clear(); 98*cdf0e10cSrcweir void drawPoint( const ::com::sun::star::rendering::XCanvas* pCanvas, 99*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aPoint, 100*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 101*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 102*cdf0e10cSrcweir void drawLine( const ::com::sun::star::rendering::XCanvas* pCanvas, 103*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aStartPoint, 104*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aEndPoint, 105*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 106*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 107*cdf0e10cSrcweir void drawBezier( const ::com::sun::star::rendering::XCanvas* pCanvas, 108*cdf0e10cSrcweir const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment, 109*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aEndPoint, 110*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 111*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 112*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 113*cdf0e10cSrcweir drawPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 114*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 115*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 116*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 117*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 118*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 119*cdf0e10cSrcweir strokePolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 120*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 121*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 122*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 123*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 124*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 125*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 126*cdf0e10cSrcweir strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 127*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 128*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 129*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 130*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 131*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 132*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 133*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 134*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 135*cdf0e10cSrcweir strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 136*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 137*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 138*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 139*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 140*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 141*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 142*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 143*cdf0e10cSrcweir ::com::sun::star::geometry::XMapping2D >& xMapping, 144*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 145*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > 146*cdf0e10cSrcweir queryStrokeShapes( const ::com::sun::star::rendering::XCanvas* pCanvas, 147*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 148*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 149*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 150*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 151*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 152*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 153*cdf0e10cSrcweir fillPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 154*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 155*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 156*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 157*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 158*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 159*cdf0e10cSrcweir fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 160*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 161*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 162*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 163*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 164*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 165*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures ); 166*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 167*cdf0e10cSrcweir fillTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 168*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 169*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 170*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 171*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 172*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 173*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 174*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 175*cdf0e10cSrcweir ::com::sun::star::geometry::XMapping2D >& xMapping ); 176*cdf0e10cSrcweir 177*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL 178*cdf0e10cSrcweir createFont( const ::com::sun::star::rendering::XCanvas* pCanvas, 179*cdf0e10cSrcweir const ::com::sun::star::rendering::FontRequest& fontRequest, 180*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 181*cdf0e10cSrcweir ::com::sun::star::beans::PropertyValue >& extraFontProperties, 182*cdf0e10cSrcweir const ::com::sun::star::geometry::Matrix2D& fontMatrix ); 183*cdf0e10cSrcweir 184*cdf0e10cSrcweir ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo > 185*cdf0e10cSrcweir queryAvailableFonts( const ::com::sun::star::rendering::XCanvas* pCanvas, 186*cdf0e10cSrcweir const ::com::sun::star::rendering::FontInfo& aFilter, 187*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 188*cdf0e10cSrcweir ::com::sun::star::beans::PropertyValue >& aFontProperties ); 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 191*cdf0e10cSrcweir drawText( const ::com::sun::star::rendering::XCanvas* pCanvas, 192*cdf0e10cSrcweir const ::com::sun::star::rendering::StringContext& text, 193*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 194*cdf0e10cSrcweir ::com::sun::star::rendering::XCanvasFont >& xFont, 195*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 196*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 197*cdf0e10cSrcweir sal_Int8 textDirection ); 198*cdf0e10cSrcweir 199*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 200*cdf0e10cSrcweir drawTextLayout( const ::com::sun::star::rendering::XCanvas* pCanvas, 201*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 202*cdf0e10cSrcweir ::com::sun::star::rendering::XTextLayout >& layoutetText, 203*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 204*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 205*cdf0e10cSrcweir 206*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 207*cdf0e10cSrcweir drawBitmap( const ::com::sun::star::rendering::XCanvas* pCanvas, 208*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 209*cdf0e10cSrcweir ::com::sun::star::rendering::XBitmap >& xBitmap, 210*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 211*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 212*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 213*cdf0e10cSrcweir drawBitmapModulated( const ::com::sun::star::rendering::XCanvas* pCanvas, 214*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 215*cdf0e10cSrcweir ::com::sun::star::rendering::XBitmap >& xBitmap, 216*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 217*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 218*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice > 219*cdf0e10cSrcweir getDevice(); 220*cdf0e10cSrcweir 221*cdf0e10cSrcweir // Flush drawing queue to screen 222*cdf0e10cSrcweir void flush() const; 223*cdf0e10cSrcweir 224*cdf0e10cSrcweir /** Called from XCanvas base classes, to notify that content 225*cdf0e10cSrcweir is _about_ to change 226*cdf0e10cSrcweir */ 227*cdf0e10cSrcweir void modifying() {} 228*cdf0e10cSrcweir 229*cdf0e10cSrcweir protected: 230*cdf0e10cSrcweir /// Refcounted global GDI+ state container 231*cdf0e10cSrcweir GDIPlusUserSharedPtr mpGdiPlusUser; 232*cdf0e10cSrcweir 233*cdf0e10cSrcweir /** Phyical output device 234*cdf0e10cSrcweir 235*cdf0e10cSrcweir Deliberately not a refcounted reference, because of 236*cdf0e10cSrcweir potential circular references for spritecanvas. 237*cdf0e10cSrcweir */ 238*cdf0e10cSrcweir com::sun::star::rendering::XGraphicDevice* mpDevice; 239*cdf0e10cSrcweir 240*cdf0e10cSrcweir /// Provides the Gdiplus::Graphics to render into 241*cdf0e10cSrcweir GraphicsProviderSharedPtr mpGraphicsProvider; 242*cdf0e10cSrcweir 243*cdf0e10cSrcweir bool needOutput() const { return mpGraphicsProvider.get() != NULL; }; 244*cdf0e10cSrcweir 245*cdf0e10cSrcweir // returns transparency of color 246*cdf0e10cSrcweir void setupGraphicsState( GraphicsSharedPtr& rGraphics, 247*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 248*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 249*cdf0e10cSrcweir 250*cdf0e10cSrcweir Gdiplus::CompositingMode calcCompositingMode( sal_Int8 nMode ); 251*cdf0e10cSrcweir 252*cdf0e10cSrcweir /// Current (transformation-independent) output buffer offset 253*cdf0e10cSrcweir ::basegfx::B2ISize maOutputOffset; 254*cdf0e10cSrcweir }; 255*cdf0e10cSrcweir } 256*cdf0e10cSrcweir 257*cdf0e10cSrcweir #endif /* _DXCANVAS_CANVASHELPER_HXX_ */ 258