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 _NULLCANVAS_CANVASHELPER_HXX_ 29*cdf0e10cSrcweir #define _NULLCANVAS_CANVASHELPER_HXX_ 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir #include <com/sun/star/rendering/XCanvas.hpp> 32*cdf0e10cSrcweir #include <com/sun/star/rendering/XIntegerBitmap.hpp> 33*cdf0e10cSrcweir 34*cdf0e10cSrcweir #include <basegfx/vector/b2isize.hxx> 35*cdf0e10cSrcweir #include <basegfx/vector/b2dsize.hxx> 36*cdf0e10cSrcweir 37*cdf0e10cSrcweir #include <boost/utility.hpp> 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir 40*cdf0e10cSrcweir namespace nullcanvas 41*cdf0e10cSrcweir { 42*cdf0e10cSrcweir class SpriteCanvas; 43*cdf0e10cSrcweir 44*cdf0e10cSrcweir /** Helper class for basic canvas functionality. Also offers 45*cdf0e10cSrcweir optional backbuffer painting, when providing it with a second 46*cdf0e10cSrcweir HDC to render into. 47*cdf0e10cSrcweir */ 48*cdf0e10cSrcweir class CanvasHelper : private ::boost::noncopyable 49*cdf0e10cSrcweir { 50*cdf0e10cSrcweir public: 51*cdf0e10cSrcweir CanvasHelper(); 52*cdf0e10cSrcweir 53*cdf0e10cSrcweir /// Release all references 54*cdf0e10cSrcweir void disposing(); 55*cdf0e10cSrcweir 56*cdf0e10cSrcweir /** Initialize canvas helper 57*cdf0e10cSrcweir 58*cdf0e10cSrcweir This method late-initializes the canvas helper, providing 59*cdf0e10cSrcweir it with the necessary device and size. Note that the 60*cdf0e10cSrcweir CanvasHelper does <em>not</em> take ownership of the 61*cdf0e10cSrcweir passed rDevice reference, nor does it perform any 62*cdf0e10cSrcweir reference counting. Thus, to prevent the reference counted 63*cdf0e10cSrcweir SpriteCanvas object from deletion, the user of this class 64*cdf0e10cSrcweir is responsible for holding ref-counted references itself! 65*cdf0e10cSrcweir 66*cdf0e10cSrcweir @param rSizePixel 67*cdf0e10cSrcweir Size of the output surface in pixel. 68*cdf0e10cSrcweir 69*cdf0e10cSrcweir @param rDevice 70*cdf0e10cSrcweir Reference device this canvas is associated with 71*cdf0e10cSrcweir 72*cdf0e10cSrcweir */ 73*cdf0e10cSrcweir void init( const ::basegfx::B2ISize& rSizePixel, 74*cdf0e10cSrcweir SpriteCanvas& rDevice, 75*cdf0e10cSrcweir bool bHasAlpha ); 76*cdf0e10cSrcweir 77*cdf0e10cSrcweir 78*cdf0e10cSrcweir // CanvasHelper functionality 79*cdf0e10cSrcweir // ========================== 80*cdf0e10cSrcweir 81*cdf0e10cSrcweir // XCanvas (only providing, not implementing the 82*cdf0e10cSrcweir // interface. Also note subtle method parameter differences) 83*cdf0e10cSrcweir void clear(); 84*cdf0e10cSrcweir void drawPoint( const ::com::sun::star::rendering::XCanvas* pCanvas, 85*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aPoint, 86*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 87*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 88*cdf0e10cSrcweir void drawLine( const ::com::sun::star::rendering::XCanvas* pCanvas, 89*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aStartPoint, 90*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aEndPoint, 91*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 92*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 93*cdf0e10cSrcweir void drawBezier( const ::com::sun::star::rendering::XCanvas* pCanvas, 94*cdf0e10cSrcweir const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment, 95*cdf0e10cSrcweir const ::com::sun::star::geometry::RealPoint2D& aEndPoint, 96*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 97*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 98*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 99*cdf0e10cSrcweir drawPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 100*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 101*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 102*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 103*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 104*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 105*cdf0e10cSrcweir strokePolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 106*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 107*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 108*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 109*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 110*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 111*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 112*cdf0e10cSrcweir strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 113*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 114*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 115*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 116*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 117*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 118*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 119*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 120*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 121*cdf0e10cSrcweir strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 122*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 123*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 124*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 125*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 126*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 127*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 128*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 129*cdf0e10cSrcweir ::com::sun::star::geometry::XMapping2D >& xMapping, 130*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 131*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > 132*cdf0e10cSrcweir queryStrokeShapes( const ::com::sun::star::rendering::XCanvas* pCanvas, 133*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 134*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 135*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 136*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 137*cdf0e10cSrcweir const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); 138*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 139*cdf0e10cSrcweir fillPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 140*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 141*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 142*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 143*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 144*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 145*cdf0e10cSrcweir fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, 146*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 147*cdf0e10cSrcweir ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, 148*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 149*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 150*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 151*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures ); 152*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 153*cdf0e10cSrcweir fillTextureMappedPolyPolygon( 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 const ::com::sun::star::uno::Sequence< 159*cdf0e10cSrcweir ::com::sun::star::rendering::Texture >& textures, 160*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 161*cdf0e10cSrcweir ::com::sun::star::geometry::XMapping2D >& xMapping ); 162*cdf0e10cSrcweir 163*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL 164*cdf0e10cSrcweir createFont( const ::com::sun::star::rendering::XCanvas* pCanvas, 165*cdf0e10cSrcweir const ::com::sun::star::rendering::FontRequest& fontRequest, 166*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 167*cdf0e10cSrcweir ::com::sun::star::beans::PropertyValue >& extraFontProperties, 168*cdf0e10cSrcweir const ::com::sun::star::geometry::Matrix2D& fontMatrix ); 169*cdf0e10cSrcweir 170*cdf0e10cSrcweir ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo > 171*cdf0e10cSrcweir queryAvailableFonts( const ::com::sun::star::rendering::XCanvas* pCanvas, 172*cdf0e10cSrcweir const ::com::sun::star::rendering::FontInfo& aFilter, 173*cdf0e10cSrcweir const ::com::sun::star::uno::Sequence< 174*cdf0e10cSrcweir ::com::sun::star::beans::PropertyValue >& aFontProperties ); 175*cdf0e10cSrcweir 176*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 177*cdf0e10cSrcweir drawText( const ::com::sun::star::rendering::XCanvas* pCanvas, 178*cdf0e10cSrcweir const ::com::sun::star::rendering::StringContext& text, 179*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 180*cdf0e10cSrcweir ::com::sun::star::rendering::XCanvasFont >& xFont, 181*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 182*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState, 183*cdf0e10cSrcweir sal_Int8 textDirection ); 184*cdf0e10cSrcweir 185*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 186*cdf0e10cSrcweir drawTextLayout( const ::com::sun::star::rendering::XCanvas* pCanvas, 187*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 188*cdf0e10cSrcweir ::com::sun::star::rendering::XTextLayout >& layoutetText, 189*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 190*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 191*cdf0e10cSrcweir 192*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 193*cdf0e10cSrcweir drawBitmap( const ::com::sun::star::rendering::XCanvas* pCanvas, 194*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 195*cdf0e10cSrcweir ::com::sun::star::rendering::XBitmap >& xBitmap, 196*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 197*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 198*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > 199*cdf0e10cSrcweir drawBitmapModulated( const ::com::sun::star::rendering::XCanvas* pCanvas, 200*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 201*cdf0e10cSrcweir ::com::sun::star::rendering::XBitmap >& xBitmap, 202*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& viewState, 203*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& renderState ); 204*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice > 205*cdf0e10cSrcweir getDevice(); 206*cdf0e10cSrcweir 207*cdf0e10cSrcweir // BitmapCanvasHelper functionality 208*cdf0e10cSrcweir // ================================ 209*cdf0e10cSrcweir 210*cdf0e10cSrcweir void copyRect( const ::com::sun::star::rendering::XCanvas* pCanvas, 211*cdf0e10cSrcweir const ::com::sun::star::uno::Reference< 212*cdf0e10cSrcweir ::com::sun::star::rendering::XBitmapCanvas >& sourceCanvas, 213*cdf0e10cSrcweir const ::com::sun::star::geometry::RealRectangle2D& sourceRect, 214*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& sourceViewState, 215*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& sourceRenderState, 216*cdf0e10cSrcweir const ::com::sun::star::geometry::RealRectangle2D& destRect, 217*cdf0e10cSrcweir const ::com::sun::star::rendering::ViewState& destViewState, 218*cdf0e10cSrcweir const ::com::sun::star::rendering::RenderState& destRenderState ); 219*cdf0e10cSrcweir 220*cdf0e10cSrcweir ::com::sun::star::geometry::IntegerSize2D getSize(); 221*cdf0e10cSrcweir 222*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > 223*cdf0e10cSrcweir getScaledBitmap( const ::com::sun::star::geometry::RealSize2D& newSize, 224*cdf0e10cSrcweir sal_Bool beFast ); 225*cdf0e10cSrcweir 226*cdf0e10cSrcweir ::com::sun::star::uno::Sequence< sal_Int8 > 227*cdf0e10cSrcweir getData( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout, 228*cdf0e10cSrcweir const ::com::sun::star::geometry::IntegerRectangle2D& rect ); 229*cdf0e10cSrcweir 230*cdf0e10cSrcweir void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >& data, 231*cdf0e10cSrcweir const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout, 232*cdf0e10cSrcweir const ::com::sun::star::geometry::IntegerRectangle2D& rect ); 233*cdf0e10cSrcweir 234*cdf0e10cSrcweir void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >& color, 235*cdf0e10cSrcweir const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout, 236*cdf0e10cSrcweir const ::com::sun::star::geometry::IntegerPoint2D& pos ); 237*cdf0e10cSrcweir 238*cdf0e10cSrcweir ::com::sun::star::uno::Sequence< sal_Int8 > 239*cdf0e10cSrcweir getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout, 240*cdf0e10cSrcweir const ::com::sun::star::geometry::IntegerPoint2D& pos ); 241*cdf0e10cSrcweir 242*cdf0e10cSrcweir ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette(); 243*cdf0e10cSrcweir 244*cdf0e10cSrcweir ::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout(); 245*cdf0e10cSrcweir 246*cdf0e10cSrcweir // Flush drawing queue to screen 247*cdf0e10cSrcweir void flush() const; 248*cdf0e10cSrcweir 249*cdf0e10cSrcweir /** Called from XCanvas base classes, to notify that content 250*cdf0e10cSrcweir is _about_ to change 251*cdf0e10cSrcweir */ 252*cdf0e10cSrcweir void modifying() {} 253*cdf0e10cSrcweir 254*cdf0e10cSrcweir bool hasAlpha() const; 255*cdf0e10cSrcweir 256*cdf0e10cSrcweir protected: 257*cdf0e10cSrcweir /** Phyical output device 258*cdf0e10cSrcweir 259*cdf0e10cSrcweir Deliberately not a refcounted reference, because of 260*cdf0e10cSrcweir potential circular references for spritecanvas. 261*cdf0e10cSrcweir */ 262*cdf0e10cSrcweir SpriteCanvas* mpDevice; 263*cdf0e10cSrcweir 264*cdf0e10cSrcweir private: 265*cdf0e10cSrcweir /// Current size of the output surface in pixel 266*cdf0e10cSrcweir ::basegfx::B2ISize maSize; 267*cdf0e10cSrcweir 268*cdf0e10cSrcweir /// When true, content is able to represent alpha 269*cdf0e10cSrcweir bool mbHaveAlpha; 270*cdf0e10cSrcweir }; 271*cdf0e10cSrcweir } 272*cdf0e10cSrcweir 273*cdf0e10cSrcweir #endif /* _NULLCANVAS_CANVASHELPER_HXX_ */ 274