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Diffstat (limited to 'canvas/source/directx/dx_canvashelper.hxx')
-rwxr-xr-x | canvas/source/directx/dx_canvashelper.hxx | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_canvashelper.hxx b/canvas/source/directx/dx_canvashelper.hxx new file mode 100755 index 000000000000..2f175cce88e5 --- /dev/null +++ b/canvas/source/directx/dx_canvashelper.hxx @@ -0,0 +1,257 @@ +/************************************************************************* + * + * 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. + * + ************************************************************************/ + +#ifndef _DXCANVAS_CANVASHELPER_HXX_ +#define _DXCANVAS_CANVASHELPER_HXX_ + +#include <com/sun/star/rendering/XCanvas.hpp> + +#include <basegfx/vector/b2isize.hxx> +#include <basegfx/vector/b2dsize.hxx> + +#include "dx_graphicsprovider.hxx" +#include "dx_gdiplususer.hxx" +#include "dx_impltools.hxx" + +#include <boost/utility.hpp> + + +namespace dxcanvas +{ + /** Helper class for basic canvas functionality. Also offers + optional backbuffer painting, when providing it with a second + HDC to render into. + */ + class CanvasHelper : private ::boost::noncopyable + { + public: + CanvasHelper(); + + /// Release all references + void disposing(); + + /** Initialize canvas helper + + This method late-initializes the canvas helper, providing + it with the necessary device and output objects. Note that + the CanvasHelper does <em>not</em> take ownership of the + passed rDevice reference, nor does it perform any + reference counting. Thus, to prevent the reference counted + SpriteCanvas object from deletion, the user of this class + is responsible for holding ref-counted references itself! + + @param rDevice + Reference device this canvas is associated with + + */ + void setDevice( com::sun::star::rendering::XGraphicDevice& rDevice ); + + /** Set the target for rendering operations + + @param rTarget + Render target + */ + void setTarget( const GraphicsProviderSharedPtr& rTarget ); + + /** Set the target for rendering operations + + @param rTarget + Render target + + @param rOutputOffset + Output offset in pixel + */ + void setTarget( const GraphicsProviderSharedPtr& rTarget, + const ::basegfx::B2ISize& rOutputOffset ); + + + // CanvasHelper functionality + // ========================== + + // XCanvas (only providing, not implementing the + // interface. Also note subtle method parameter differences) + void clear(); + void drawPoint( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::geometry::RealPoint2D& aPoint, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + void drawLine( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::geometry::RealPoint2D& aStartPoint, + const ::com::sun::star::geometry::RealPoint2D& aEndPoint, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + void drawBezier( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment, + const ::com::sun::star::geometry::RealPoint2D& aEndPoint, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + drawPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + strokePolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::rendering::Texture >& textures, + const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::rendering::Texture >& textures, + const ::com::sun::star::uno::Reference< + ::com::sun::star::geometry::XMapping2D >& xMapping, + const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D > + queryStrokeShapes( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + fillPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::rendering::Texture >& textures ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + fillTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::rendering::Texture >& textures, + const ::com::sun::star::uno::Reference< + ::com::sun::star::geometry::XMapping2D >& xMapping ); + + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL + createFont( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::rendering::FontRequest& fontRequest, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::beans::PropertyValue >& extraFontProperties, + const ::com::sun::star::geometry::Matrix2D& fontMatrix ); + + ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo > + queryAvailableFonts( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::rendering::FontInfo& aFilter, + const ::com::sun::star::uno::Sequence< + ::com::sun::star::beans::PropertyValue >& aFontProperties ); + + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + drawText( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::rendering::StringContext& text, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XCanvasFont >& xFont, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState, + sal_Int8 textDirection ); + + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + drawTextLayout( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XTextLayout >& layoutetText, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + drawBitmap( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XBitmap >& xBitmap, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive > + drawBitmapModulated( const ::com::sun::star::rendering::XCanvas* pCanvas, + const ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XBitmap >& xBitmap, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice > + getDevice(); + + // Flush drawing queue to screen + void flush() const; + + /** Called from XCanvas base classes, to notify that content + is _about_ to change + */ + void modifying() {} + + protected: + /// Refcounted global GDI+ state container + GDIPlusUserSharedPtr mpGdiPlusUser; + + /** Phyical output device + + Deliberately not a refcounted reference, because of + potential circular references for spritecanvas. + */ + com::sun::star::rendering::XGraphicDevice* mpDevice; + + /// Provides the Gdiplus::Graphics to render into + GraphicsProviderSharedPtr mpGraphicsProvider; + + bool needOutput() const { return mpGraphicsProvider.get() != NULL; }; + + // returns transparency of color + void setupGraphicsState( GraphicsSharedPtr& rGraphics, + const ::com::sun::star::rendering::ViewState& viewState, + const ::com::sun::star::rendering::RenderState& renderState ); + + Gdiplus::CompositingMode calcCompositingMode( sal_Int8 nMode ); + + /// Current (transformation-independent) output buffer offset + ::basegfx::B2ISize maOutputOffset; + }; +} + +#endif /* _DXCANVAS_CANVASHELPER_HXX_ */ |