canvas/source/opengl/ogl_spritedevicehelper.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  */
   9
  10 #ifndef INCLUDED_CANVAS_SOURCE_OPENGL_OGL_SPRITEDEVICEHELPER_HXX
  11 #define INCLUDED_CANVAS_SOURCE_OPENGL_OGL_SPRITEDEVICEHELPER_HXX
  12
  13 #include <vcl/opengl/OpenGLContext.hxx>
  14
  15 #include <rtl/ref.hxx>
  16 #include <canvas/elapsedtime.hxx>
  17 #include <com/sun/star/rendering/XGraphicDevice.hpp>
  18 #include <boost/utility.hpp>
  19 #include <boost/shared_ptr.hpp>
  20
  21 #include "ogl_buffercontext.hxx"
  22
  23 #include <set>
  24
  25 namespace vcl { class Window; }
  26 class SystemChildWindow;
  27 namespace basegfx{ class B2IVector; class B2DHomMatrix; }
  28 namespace com { namespace sun { namespace star {
  29     namespace awt { struct Rectangle; }
  30     namespace geometry { struct AffineMatrix2D; }
  31 }}}
  32
  33 namespace oglcanvas
  34 {
  35     class TextureCache;
  36     class SpriteCanvas;
  37     class CanvasCustomSprite;
  38     class CanvasHelper;
  39
  40     class SpriteDeviceHelper : private ::boost::noncopyable
  41     {
  42     public:
  43         SpriteDeviceHelper();
  44         ~SpriteDeviceHelper();
  45
  46         void init( vcl::Window&                                 rWindow,
  47                    SpriteCanvas&                           rSpriteCanvas,
  48                    const ::com::sun::star::awt::Rectangle& rViewArea );
  49
  50         /// Dispose all internal references
  51         void disposing();
  52
  53         // XWindowGraphicDevice
  54         ::com::sun::star::geometry::RealSize2D getPhysicalResolution();
  55         ::com::sun::star::geometry::RealSize2D getPhysicalSize();
  56         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
  57             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&                               rDevice,
  58             const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > >& points );
  59         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
  60             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&                                       rDevice,
  61             const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealBezierSegment2D > >& points );
  62         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleBitmap(
  63             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
  64             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
  65         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileBitmap(
  66             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
  67             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
  68         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleAlphaBitmap(
  69             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
  70             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
  71         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
  72             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >&  rDevice,
  73             const ::com::sun::star::geometry::IntegerSize2D&                                        size );
  74
  75         bool  showBuffer( bool bIsVisible, bool bUpdateAll );
  76         bool  switchBuffer( bool bIsVisible, bool bUpdateAll );
  77
  78         ::com::sun::star::uno::Any isAccelerated() const;
  79         ::com::sun::star::uno::Any getDeviceHandle() const;
  80         ::com::sun::star::uno::Any getSurfaceHandle() const;
  81         ::com::sun::star::uno::Reference<
  82             ::com::sun::star::rendering::XColorSpace > getColorSpace() const;
  83
  84         void notifySizeUpdate( const ::com::sun::star::awt::Rectangle& rBounds );
  85
  86         /** called when DumpScreenContent property is enabled on
  87             XGraphicDevice, and writes out bitmaps of current screen.
  88          */
  89         void dumpScreenContent() const;
  90
  91         void show( const ::rtl::Reference< CanvasCustomSprite >& );
  92         void hide( const ::rtl::Reference< CanvasCustomSprite >& );
  93
  94         /// enable linear gradient shader "texture" with given parameters
  95         void useLinearGradientShader( const ::com::sun::star::rendering::ARGBColor*    pColors,
  96                                       const ::com::sun::star::uno::Sequence< double >& rStops,
  97                                       const ::basegfx::B2DHomMatrix&                   rTexTransform );
  98         /// enable radial gradient shader "texture" with given parameters
  99         void useRadialGradientShader( const ::com::sun::star::rendering::ARGBColor*    pColors,
 100                                       const ::com::sun::star::uno::Sequence< double >& rStops,
 101                                       const ::basegfx::B2DHomMatrix&                   rTexTransform );
 102         /// enable rectangular gradient shader "texture" with given parameters
 103         void useRectangularGradientShader( const ::com::sun::star::rendering::ARGBColor*    pColors,
 104                                            const ::com::sun::star::uno::Sequence< double >& rStops,
 105                                            const ::basegfx::B2DHomMatrix&                   rTexTransform );
 106
 107         /// create a pbuffer context (for rendering into background surface)
 108         IBufferContextSharedPtr createBufferContext(const ::basegfx::B2IVector& rSize) const;
 109
 110         /// Get instance of internal texture cache
 111         TextureCache& getTextureCache() const;
 112
 113         bool activateWindowContext();
 114
 115     private:
 116         void resize( const ::basegfx::B2IVector& rNewSize );
 117
 118         /** Phyical output device
 119
 120             Deliberately not a refcounted reference, because of
 121             potential circular references for canvas. Needed to
 122             create bitmaps
 123          */
 124         com::sun::star::rendering::XGraphicDevice*         mpDevice;
 125
 126         /// Pointer to sprite canvas (owner of this helper), needed to create bitmaps
 127         SpriteCanvas*                                      mpSpriteCanvas;
 128
 129         std::set< ::rtl::Reference< CanvasCustomSprite > > maActiveSprites;
 130
 131         /// For the frame counter timings
 132         ::canvas::tools::ElapsedTime                       maLastUpdate;
 133
 134         boost::shared_ptr<TextureCache>                    mpTextureCache;
 135
 136         unsigned int                                       mnLinearTwoColorGradientProgram;
 137         unsigned int                                       mnLinearMultiColorGradientProgram;
 138         unsigned int                                       mnRadialTwoColorGradientProgram;
 139         unsigned int                                       mnRadialMultiColorGradientProgram;
 140         unsigned int                                       mnRectangularTwoColorGradientProgram;
 141         unsigned int                                       mnRectangularMultiColorGradientProgram;
 142
 143         rtl::Reference<OpenGLContext>                      mxContext;
 144     };
 145 }
 146
 147 #endif
 148
 149 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */