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/**************************************************************
*
* 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
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*************************************************************/
#ifndef _DXCANVAS_BITMAPCANVASHELPER_HXX_
#define _DXCANVAS_BITMAPCANVASHELPER_HXX_
#include <com/sun/star/rendering/XCanvas.hpp>
#include <basegfx/vector/b2isize.hxx>
#include <basegfx/vector/b2dsize.hxx>
#include "dx_graphicsprovider.hxx"
#include "dx_ibitmap.hxx"
#include "dx_gdiplususer.hxx"
#include "dx_impltools.hxx"
#include "dx_canvashelper.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 BitmapCanvasHelper : public CanvasHelper
{
public:
BitmapCanvasHelper();
/// Release all references
void disposing();
/** Set the target for rendering operations
@param rTarget
Render target
*/
void setTarget( const IBitmapSharedPtr& rTarget );
/** Set the target for rendering operations
@param rTarget
Render target
@param rOutputOffset
Output offset in pixel
*/
void setTarget( const IBitmapSharedPtr& rTarget,
const ::basegfx::B2ISize& rOutputOffset );
// CanvasHelper functionality is implementation-inherited. yuck.
// =============================================================
void clear();
::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 );
// 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();
bool hasAlpha() const;
protected:
/// Render target
IBitmapSharedPtr mpTarget;
};
}
#endif /* _DXCANVAS_BITMAPCANVASHELPER_HXX_ */
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