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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/.
*/
#ifndef INCLUDED_CANVAS_SOURCE_OPENGL_OGL_SPRITEDEVICEHELPER_HXX
#define INCLUDED_CANVAS_SOURCE_OPENGL_OGL_SPRITEDEVICEHELPER_HXX
#include <vcl/opengl/OpenGLContext.hxx>
#include <rtl/ref.hxx>
#include <canvas/elapsedtime.hxx>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include "ogl_buffercontext.hxx"
#include <set>
namespace vcl { class Window; }
class SystemChildWindow;
namespace basegfx{ class B2IVector; class B2DHomMatrix; }
namespace com { namespace sun { namespace star {
namespace awt { struct Rectangle; }
namespace geometry { struct AffineMatrix2D; }
}}}
namespace oglcanvas
{
class TextureCache;
class SpriteCanvas;
class CanvasCustomSprite;
class CanvasHelper;
class SpriteDeviceHelper
{
public:
SpriteDeviceHelper();
~SpriteDeviceHelper();
/// make noncopyable
SpriteDeviceHelper(const SpriteDeviceHelper&) = delete;
const SpriteDeviceHelper& operator=(const SpriteDeviceHelper&) = delete;
void init( vcl::Window& rWindow,
SpriteCanvas& rSpriteCanvas,
const css::awt::Rectangle& rViewArea );
/// Dispose all internal references
void disposing();
// XWindowGraphicDevice
css::geometry::RealSize2D getPhysicalResolution();
css::geometry::RealSize2D getPhysicalSize();
css::uno::Reference< css::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::uno::Sequence< css::uno::Sequence< css::geometry::RealPoint2D > >& points );
css::uno::Reference< css::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::uno::Sequence< css::uno::Sequence< css::geometry::RealBezierSegment2D > >& points );
css::uno::Reference< css::rendering::XBitmap > createCompatibleBitmap(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::geometry::IntegerSize2D& size );
css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileBitmap(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::geometry::IntegerSize2D& size );
css::uno::Reference< css::rendering::XBitmap > createCompatibleAlphaBitmap(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::geometry::IntegerSize2D& size );
css::uno::Reference< css::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
const css::uno::Reference< css::rendering::XGraphicDevice >& rDevice,
const css::geometry::IntegerSize2D& size );
bool showBuffer( bool bIsVisible, bool bUpdateAll );
bool switchBuffer( bool bIsVisible, bool bUpdateAll );
css::uno::Any isAccelerated() const;
css::uno::Any getDeviceHandle() const;
css::uno::Any getSurfaceHandle() const;
css::uno::Reference<
css::rendering::XColorSpace > getColorSpace() const;
void notifySizeUpdate( const css::awt::Rectangle& rBounds );
/** called when DumpScreenContent property is enabled on
XGraphicDevice, and writes out bitmaps of current screen.
*/
void dumpScreenContent() const;
void show( const ::rtl::Reference< CanvasCustomSprite >& );
void hide( const ::rtl::Reference< CanvasCustomSprite >& );
/// enable linear gradient shader "texture" with given parameters
void useLinearGradientShader( const css::rendering::ARGBColor* pColors,
const css::uno::Sequence< double >& rStops,
const ::basegfx::B2DHomMatrix& rTexTransform );
/// enable radial gradient shader "texture" with given parameters
void useRadialGradientShader( const css::rendering::ARGBColor* pColors,
const css::uno::Sequence< double >& rStops,
const ::basegfx::B2DHomMatrix& rTexTransform );
/// enable rectangular gradient shader "texture" with given parameters
void useRectangularGradientShader( const css::rendering::ARGBColor* pColors,
const css::uno::Sequence< double >& rStops,
const ::basegfx::B2DHomMatrix& rTexTransform );
/// create a pbuffer context (for rendering into background surface)
IBufferContextSharedPtr createBufferContext(const ::basegfx::B2IVector& rSize) const;
/// Get instance of internal texture cache
TextureCache& getTextureCache() const;
bool activateWindowContext();
private:
void resize( const ::basegfx::B2IVector& rNewSize );
/** Phyical output device
Deliberately not a refcounted reference, because of
potential circular references for canvas. Needed to
create bitmaps
*/
css::rendering::XGraphicDevice* mpDevice;
/// Pointer to sprite canvas (owner of this helper), needed to create bitmaps
SpriteCanvas* mpSpriteCanvas;
std::set< ::rtl::Reference< CanvasCustomSprite > > maActiveSprites;
/// For the frame counter timings
::canvas::tools::ElapsedTime maLastUpdate;
std::shared_ptr<TextureCache> mpTextureCache;
unsigned int mnLinearTwoColorGradientProgram;
unsigned int mnLinearMultiColorGradientProgram;
unsigned int mnRadialTwoColorGradientProgram;
unsigned int mnRadialMultiColorGradientProgram;
unsigned int mnRectangularTwoColorGradientProgram;
unsigned int mnRectangularMultiColorGradientProgram;
rtl::Reference<OpenGLContext> mxContext;
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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