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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 _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 >& laidOutText,
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_ */
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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