/* -*- 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/.
*/
#pragma once
#include <com/sun/star/geometry/IntegerPoint2D.hpp>
#include <com/sun/star/geometry/IntegerRectangle2D.hpp>
#include <com/sun/star/rendering/IntegerBitmapLayout.hpp>
#include "ogl_canvashelper.hxx"
namespace oglcanvas
{
/** Helper class for basic canvas functionality. */
class BitmapCanvasHelper :
public CanvasHelper
{
public:
BitmapCanvasHelper();
/// Release all references
void disposing();
/** Initialize canvas helper
This method late-initializes the canvas helper, providing
it with the necessary device and output objects. 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 rDevice
Reference device this canvas is associated with
*/
void init( css::rendering::XGraphicDevice& rDevice,
SpriteDeviceHelper& rDeviceHelper,
const css::geometry::IntegerSize2D& rSize );
// BitmapCanvasHelper functionality
// ================================
const css::geometry::IntegerSize2D& getSize()
const {
return maSize; }
css::uno::Reference< css::rendering::XBitmap >
getScaledBitmap(
const css::geometry::RealSize2D& newSize,
bool beFast );
css::uno::Sequence< sal_Int8 >
getData( css::rendering::IntegerBitmapLayout& bitmapLayout,
const css::geometry::IntegerRectangle2D& rect );
css::uno::Sequence< sal_Int8 >
getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout,
const css::geometry::IntegerPoint2D& pos );
css::rendering::IntegerBitmapLayout getMemoryLayout()
const;
private:
css::geometry::IntegerSize2D maSize;
};
}
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