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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASHELPER_HXX
#define INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASHELPER_HXX
#include <com/sun/star/rendering/XCanvas.hpp>
#include <com/sun/star/rendering/XBitmapCanvas.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 <vcl/vclptr.hxx>
#include <vcl/virdev.hxx>
#include <boost/noncopyable.hpp>
#include <vcl/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 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 >& laidOutText,
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() { return css::uno::Reference< css::rendering::XGraphicDevice >(mpDevice); }
// BitmapCanvasHelper functionality
// ================================
::com::sun::star::geometry::IntegerSize2D getSize();
::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap >
getScaledBitmap( const ::com::sun::star::geometry::RealSize2D& newSize,
bool beFast );
::com::sun::star::uno::Sequence< sal_Int8 >
getData( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerRectangle2D& rect );
::com::sun::star::uno::Sequence< sal_Int8 >
getPixel( ::com::sun::star::rendering::IntegerBitmapLayout& bitmapLayout,
const ::com::sun::star::geometry::IntegerPoint2D& pos );
::com::sun::star::rendering::IntegerBitmapLayout getMemoryLayout();
bool hasAlpha() const { return mbHaveAlpha; }
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_t* 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:
VclPtr<VirtualDevice> mpVirtualDevice;
void useStates( const ::com::sun::star::rendering::ViewState& viewState,
const ::com::sun::star::rendering::RenderState& renderState,
bool setColor );
com::sun::star::rendering::IntegerBitmapLayout impl_getMemoryLayout( sal_Int32 nWidth, sal_Int32 nHeight );
/// When true, content is able to represent alpha
bool mbHaveAlpha;
::cairo::CairoSharedPtr mpCairo;
::cairo::SurfaceSharedPtr mpSurface;
::basegfx::B2ISize maSize;
void clip_cairo_from_dev(::OutputDevice& rOutDev);
};
/// also needed from SpriteHelper
void doPolyPolygonImplementation( ::basegfx::B2DPolyPolygon aPolyPolygon,
Operation aOperation,
cairo_t* pCairo,
const ::com::sun::star::uno::Sequence< ::com::sun::star::rendering::Texture >* pTextures,
const SurfaceProviderRef& pDevice,
::com::sun::star::rendering::FillRule eFillrule );
}
#endif // INCLUDED_CANVAS_SOURCE_CAIRO_CAIRO_CANVASHELPER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
