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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2008 by Sun Microsystems, Inc.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: cairo_canvashelper.hxx,v $
* $Revision: 1.8 $
*
* 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 _CAIROCANVAS_CANVASHELPER_HXX_
#define _CAIROCANVAS_CANVASHELPER_HXX_
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XIntegerBitmap.hpp>
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include <com/sun/star/rendering/XLinePolyPolygon2D.hpp>
#include <boost/utility.hpp>
#include "cairo_cairo.hxx"
#include "cairo_surfaceprovider.hxx"
class VirtualDevice;
namespace basegfx {
class B2DPolyPolygon;
}
namespace cairocanvas
{
class SpriteCanvas;
enum Operation {
Stroke,
Fill,
Clip
};
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 size. 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 rSizePixel
Size of the output surface in pixel.
@param rDevice
Reference device this canvas is associated with
*/
void init( const ::basegfx::B2ISize& rSizePixel,
SurfaceProvider& rSurfaceProvider,
::com::sun::star::rendering::XGraphicDevice* pDevice );
void setSize( const ::basegfx::B2ISize& rSize );
void setSurface( const ::cairo::SurfaceSharedPtr& pSurface, bool bHasAlpha );
// 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();
// BitmapCanvasHelper functionality
// ================================
void copyRect( const ::com::sun::star::rendering::XCanvas* pCanvas,
const ::com::sun::star::uno::Reference<
::com::sun::star::rendering::XBitmapCanvas >& sourceCanvas,
const ::com::sun::star::geometry::RealRectangle2D& sourceRect,
const ::com::sun::star::rendering::ViewState& sourceViewState,
const ::com::sun::star::rendering::RenderState& sourceRenderState,
const ::com::sun::star::geometry::RealRectangle2D& destRect,
const ::com::sun::star::rendering::ViewState& destViewState,
const ::com::sun::star::rendering::RenderState& destRenderState );
::com::sun::star::geometry::IntegerSize2D getSize();
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
getScaledBitmap( const ::com::sun::star::geometry::RealSize2D& newSize,
sal_Bool beFast );
::com::sun::star::uno::Sequence< sal_Int8 >
getData( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerRectangle2D& rect );
void setData( const ::com::sun::star::uno::Sequence< sal_Int8 >& data,
const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerRectangle2D& rect );
void setPixel( const ::com::sun::star::uno::Sequence< sal_Int8 >& color,
const ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerPoint2D& pos );
::com::sun::star::uno::Sequence< sal_Int8 >
getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerPoint2D& pos );
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapPalette > getPalette();
::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
// Flush drawing queue to screen
void flush() const;
/** Called from XCanvas base classes, to notify that content
is _about_ to change
*/
void modifying() {}
bool hasAlpha() const;
enum ColorType
{
LINE_COLOR, FILL_COLOR, TEXT_COLOR, IGNORE_COLOR
};
void doPolyPolygonPath( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XPolyPolygon2D >& xPolyPolygon,
Operation aOperation,
bool bNoLineJoin = false,
const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures=NULL,
::cairo::Cairo* pCairo=NULL ) const;
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCachedPrimitive >
implDrawBitmapSurface(
const ::com::sun::star::rendering::XCanvas* pCanvas,
const ::cairo::SurfaceSharedPtr& pSurface,
const ::com::sun::star::rendering::ViewState& viewState,
const ::com::sun::star::rendering::RenderState& renderState,
const ::com::sun::star::geometry::IntegerSize2D& rSize,
bool bModulateColors,
bool bHasAlpha );
bool repaint( const ::cairo::SurfaceSharedPtr& pSurface,
const ::com::sun::star::rendering::ViewState& viewState,
const ::com::sun::star::rendering::RenderState& renderState );
protected:
/** Surface provider
Deliberately not a refcounted reference, because of
potential circular references for canvas. Provides us with
our output surface and associated functionality.
*/
SurfaceProvider* mpSurfaceProvider;
/** Phyical output device
Deliberately not a refcounted reference, because of
potential circular references for spritecanvas.
*/
::com::sun::star::rendering::XGraphicDevice* mpDevice;
private:
boost::shared_ptr<VirtualDevice> mpVirtualDevice;
void useStates( const ::com::sun::star::rendering::ViewState& viewState,
const ::com::sun::star::rendering::RenderState& renderState,
bool setColor );
/// When true, content is able to represent alpha
bool mbHaveAlpha;
CairoSharedPtr mpCairo;
SurfaceSharedPtr mpSurface;
::basegfx::B2ISize maSize;
};
/// also needed from SpriteHelper
void doPolyPolygonImplementation( ::basegfx::B2DPolyPolygon aPolyPolygon,
Operation aOperation,
::cairo::Cairo* pCairo,
const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures,
const SurfaceProviderRef& pDevice,
::com::sun::star::rendering::FillRule eFillrule );
}
#endif /* _CAIROCANVAS_CANVASHELPER_HXX_ */
|
