316 lines
18 KiB
C++
316 lines
18 KiB
C++
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/*************************************************************************
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* $RCSfile: dx_canvashelper.hxx,v $
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*
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* $Revision: 1.2 $
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*
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* last change: $Author: hr $ $Date: 2007-11-01 17:53:52 $
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*
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* The Contents of this file are made available subject to
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* the terms of GNU Lesser General Public License Version 2.1.
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*
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*
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* GNU Lesser General Public License Version 2.1
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* =============================================
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* Copyright 2005 by Sun Microsystems, Inc.
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* 901 San Antonio Road, Palo Alto, CA 94303, USA
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License version 2.1, as published by the Free Software Foundation.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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************************************************************************/
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#ifndef _DXCANVAS_CANVASHELPER_HXX_
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#define _DXCANVAS_CANVASHELPER_HXX_
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/rendering/XIntegerBitmap.hpp>
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#include <basegfx/vector/b2isize.hxx>
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#include <basegfx/vector/b2dsize.hxx>
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#include "dx_gdiplususer.hxx"
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#include "dx_impltools.hxx"
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#include "dx_bitmap.hxx"
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#include <boost/utility.hpp>
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namespace dxcanvas
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{
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/** Helper class for basic canvas functionality. Also offers
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optional backbuffer painting, when providing it with a second
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HDC to render into.
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*/
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class CanvasHelper : private ::boost::noncopyable
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{
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public:
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CanvasHelper();
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/// Release all references
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void disposing();
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/** Initialize canvas helper
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This method late-initializes the canvas helper, providing
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it with the necessary device and output objects. Note that
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the CanvasHelper does <em>not</em> take ownership of the
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passed rDevice reference, nor does it perform any
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reference counting. Thus, to prevent the reference counted
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SpriteCanvas object from deletion, the user of this class
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is responsible for holding ref-counted references itself!
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@param rDevice
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Reference device this canvas is associated with
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*/
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void setDevice( SpriteCanvas& rDevice );
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/** Set the target for rendering operations
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@param rTarget
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Render target
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*/
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void setTarget( const DXBitmapSharedPtr& rTarget );
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/** Set the target for rendering operations
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@param rTarget
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Render target
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@param rOutputOffset
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Output offset in pixel
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*/
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void setTarget( const DXBitmapSharedPtr& rTarget,
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const ::basegfx::B2ISize& rOutputOffset );
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// CanvasHelper functionality
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// ==========================
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// XCanvas (only providing, not implementing the
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// interface. Also note subtle method parameter differences)
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void clear();
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void drawPoint( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealPoint2D& aPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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void drawLine( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealPoint2D& aStartPoint,
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const ::com::sun::star::geometry::RealPoint2D& aEndPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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void drawBezier( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::geometry::RealBezierSegment2D& aBezierSegment,
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const ::com::sun::star::geometry::RealPoint2D& aEndPoint,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokePolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokeTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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strokeTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::geometry::XMapping2D >& xMapping,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >
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queryStrokeShapes( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::rendering::StrokeAttributes& strokeAttributes );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillTexturedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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fillTextureMappedPolyPolygon( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::rendering::Texture >& textures,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::geometry::XMapping2D >& xMapping );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvasFont > SAL_CALL
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createFont( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::FontRequest& fontRequest,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::beans::PropertyValue >& extraFontProperties,
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const ::com::sun::star::geometry::Matrix2D& fontMatrix );
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::com::sun::star::uno::Sequence< ::com::sun::star::rendering::FontInfo >
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queryAvailableFonts( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::FontInfo& aFilter,
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const ::com::sun::star::uno::Sequence<
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::com::sun::star::beans::PropertyValue >& aFontProperties );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawText( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::rendering::StringContext& text,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCanvasFont >& xFont,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState,
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sal_Int8 textDirection );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawTextLayout( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XTextLayout >& layoutetText,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawBitmap( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmap >& xBitmap,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
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drawBitmapModulated( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmap >& xBitmap,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >
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getDevice();
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// BitmapCanvasHelper functionality
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// ================================
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void copyRect( const ::com::sun::star::rendering::XCanvas* pCanvas,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XBitmapCanvas >& sourceCanvas,
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const ::com::sun::star::geometry::RealRectangle2D& sourceRect,
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const ::com::sun::star::rendering::ViewState& sourceViewState,
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const ::com::sun::star::rendering::RenderState& sourceRenderState,
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const ::com::sun::star::geometry::RealRectangle2D& destRect,
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const ::com::sun::star::rendering::ViewState& destViewState,
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const ::com::sun::star::rendering::RenderState& destRenderState );
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::com::sun::star::geometry::IntegerSize2D getSize();
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
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getScaledBitmap( const ::com::sun::star::geometry::RealSize2D& newSize,
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sal_Bool beFast );
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::com::sun::star::uno::Sequence< sal_Int8 >
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getData( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
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const ::com::sun::star::geometry::IntegerRectangle2D& rect );
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void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >& data,
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const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
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const ::com::sun::star::geometry::IntegerRectangle2D& rect );
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void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >& color,
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const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
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const ::com::sun::star::geometry::IntegerPoint2D& pos );
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::com::sun::star::uno::Sequence< sal_Int8 >
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getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
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const ::com::sun::star::geometry::IntegerPoint2D& pos );
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette();
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::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
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// Flush drawing queue to screen
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void flush() const;
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/** Called from XCanvas base classes, to notify that content
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is _about_ to change
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*/
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void modifying() {}
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bool hasAlpha() const;
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/** Access target externally.
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@attention if you change content, make sure mbSurfaceDirty
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is correctly updated.
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*/
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DXBitmapSharedPtr getTarget() const { return mpTarget; }
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protected:
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/** Phyical output device
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Deliberately not a refcounted reference, because of
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potential circular references for spritecanvas.
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*/
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SpriteCanvas* mpDevice;
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/// Render target
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DXBitmapSharedPtr mpTarget;
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private:
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// returns transparency of color
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void setupGraphicsState( SurfaceGraphicsSharedPtr& rGraphics,
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const ::com::sun::star::rendering::ViewState& viewState,
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const ::com::sun::star::rendering::RenderState& renderState );
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Gdiplus::CompositingMode calcCompositingMode( sal_Int8 nMode );
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bool needOutput() const { return mpTarget.get() != NULL; };
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/// Refcounted global GDI+ state container
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GDIPlusUserSharedPtr mpGdiPlusUser;
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/// Current (transformation-independent) output buffer offset
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::basegfx::B2ISize maOutputOffset;
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};
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}
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#endif /* _DXCANVAS_CANVASHELPER_HXX_ */
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