New class: OpenGLFrameBufferImage, which wraps a framebuffer inside a juce Image.

extras/JuceDemo/Builds/MacOSX/Juce Demo.xcodeproj/project.pbxproj

@@ -135,6 +135,7 @@
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+		17422D876DAAF091ED089B8D = { isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = "juce_OpenGLImage.h"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.h"; sourceTree = "SOURCE_ROOT"; };
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@@ -824,6 +825,7 @@
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+		E46977801F19277F4D3B324B = { isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = "juce_OpenGLImage.cpp"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.cpp"; sourceTree = "SOURCE_ROOT"; };
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@@ -1866,6 +1868,8 @@
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 				D7239D5B984E07808E2DB28C,
 				D2C40CDF46D894BFC72BDC56,
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+				17422D876DAAF091ED089B8D,
 				B81FA2ED22BCC03D124031ED,
 				FE9A5898294228EB7F439951,
 				4CFB262AA9778621B8B33A7D ); name = opengl; sourceTree = "<group>"; };

extras/JuceDemo/Builds/VisualStudio2005/Juce Demo.vcproj

@@ -4230,6 +4230,17 @@
             </FileConfiguration>
           </File>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+            <FileConfiguration Name="Debug|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+            <FileConfiguration Name="Release|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+          </File>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
             <FileConfiguration Name="Debug|Win32"

extras/JuceDemo/Builds/VisualStudio2008/Juce Demo.vcproj

@@ -4230,6 +4230,17 @@
             </FileConfiguration>
           </File>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+            <FileConfiguration Name="Debug|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+            <FileConfiguration Name="Release|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+          </File>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
             <FileConfiguration Name="Debug|Win32"

extras/JuceDemo/Builds/VisualStudio2010/Juce Demo.vcxproj

@@ -1136,6 +1136,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1574,6 +1577,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLContext.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLFrameBuffer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\juce_opengl.h"/>

extras/JuceDemo/Builds/VisualStudio2010/Juce Demo.vcxproj.filters

@@ -1492,6 +1492,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.cpp">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+      <Filter>Juce Modules\juce_opengl\opengl</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClCompile>
@@ -2772,6 +2775,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h">
+      <Filter>Juce Modules\juce_opengl\opengl</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClInclude>

extras/JuceDemo/Builds/iOS/Juce Demo.xcodeproj/project.pbxproj

@@ -127,6 +127,7 @@
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+		17422D876DAAF091ED089B8D = { isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = "juce_OpenGLImage.h"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.h"; sourceTree = "SOURCE_ROOT"; };
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@@ -810,6 +811,7 @@
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+		E46977801F19277F4D3B324B = { isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = "juce_OpenGLImage.cpp"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.cpp"; sourceTree = "SOURCE_ROOT"; };
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@@ -1856,6 +1858,8 @@
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 				D7239D5B984E07808E2DB28C,
 				D2C40CDF46D894BFC72BDC56,
+				E46977801F19277F4D3B324B,
+				17422D876DAAF091ED089B8D,
 				B81FA2ED22BCC03D124031ED,
 				FE9A5898294228EB7F439951,
 				4CFB262AA9778621B8B33A7D ); name = opengl; sourceTree = "<group>"; };

extras/audio plugin host/Builds/MacOSX/Plugin Host.xcodeproj/project.pbxproj

@@ -302,6 +302,7 @@
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+		4CE76ABC51CC5E019AED3C2B = { isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = "juce_OpenGLImage.h"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.h"; sourceTree = "SOURCE_ROOT"; };
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@@ -646,6 +647,7 @@
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+		C0EECABDA5446EAD76E2578F = { isa = PBXFileReference; lastKnownFileType = sourcecode.cpp.cpp; name = "juce_OpenGLImage.cpp"; path = "../../../../modules/juce_opengl/opengl/juce_OpenGLImage.cpp"; sourceTree = "SOURCE_ROOT"; };
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@@ -1788,6 +1790,8 @@
 				438CA87567F47F9AF39788D1,
 				153D339EB2CCEC711215AD04,
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extras/audio plugin host/Builds/VisualStudio2005/Plugin Host.vcproj

@@ -4153,6 +4153,17 @@
             </FileConfiguration>
           </File>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+            <FileConfiguration Name="Debug|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+            <FileConfiguration Name="Release|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+          </File>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
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extras/audio plugin host/Builds/VisualStudio2008/Plugin Host.vcproj

@@ -4153,6 +4153,17 @@
             </FileConfiguration>
           </File>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+            <FileConfiguration Name="Debug|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+            <FileConfiguration Name="Release|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+          </File>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
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extras/static library/Builds/MacOSX/juce.xcodeproj/project.pbxproj

@@ -350,6 +350,7 @@
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@@ -363,6 +364,7 @@
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@@ -1707,6 +1709,8 @@
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extras/static library/Builds/VisualStudio2008/juce.vcproj

@@ -4044,6 +4044,17 @@
             </FileConfiguration>
           </File>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+            <FileConfiguration Name="Debug|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+            <FileConfiguration Name="Release|Win32"
+                               ExcludedFromBuild="true">
+              <Tool Name="VCCLCompilerTool"/>
+            </FileConfiguration>
+          </File>
+          <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
           <File RelativePath="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
             <FileConfiguration Name="Debug|Win32"

extras/static library/Builds/VisualStudio2010/juce.vcxproj

@@ -1099,6 +1099,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+      <ExcludedFromBuild>true</ExcludedFromBuild>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
       <ExcludedFromBuild>true</ExcludedFromBuild>
     </ClCompile>
@@ -1520,6 +1523,7 @@
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLContext.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLFrameBuffer.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h"/>
+    <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.h"/>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\juce_opengl.h"/>

extras/static library/Builds/VisualStudio2010/juce.vcxproj.filters

@@ -1378,6 +1378,9 @@
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.cpp">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClCompile>
+    <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.cpp">
+      <Filter>Juce Modules\juce_opengl\opengl</Filter>
+    </ClCompile>
     <ClCompile Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLTexture.cpp">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClCompile>
@@ -2607,6 +2610,9 @@
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLHelpers.h">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClInclude>
+    <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLImage.h">
+      <Filter>Juce Modules\juce_opengl\opengl</Filter>
+    </ClInclude>
     <ClInclude Include="..\..\..\..\modules\juce_opengl\opengl\juce_OpenGLPixelFormat.h">
       <Filter>Juce Modules\juce_opengl\opengl</Filter>
     </ClInclude>

modules/juce_opengl/juce_opengl.cpp

@@ -122,6 +122,7 @@
 #include "opengl/juce_OpenGLComponent.cpp"
 #include "opengl/juce_OpenGLFrameBuffer.cpp"
 #include "opengl/juce_OpenGLHelpers.cpp"
+#include "opengl/juce_OpenGLImage.cpp"
 #include "opengl/juce_OpenGLTexture.cpp"
 // END_AUTOINCLUDE
 

modules/juce_opengl/juce_opengl.h

@@ -95,6 +95,9 @@ BEGIN_JUCE_NAMESPACE
 #ifndef __JUCE_OPENGLHELPERS_JUCEHEADER__
  #include "opengl/juce_OpenGLHelpers.h"
 #endif
+#ifndef __JUCE_OPENGLIMAGE_JUCEHEADER__
+ #include "opengl/juce_OpenGLImage.h"
+#endif
 #ifndef __JUCE_OPENGLPIXELFORMAT_JUCEHEADER__
  #include "opengl/juce_OpenGLPixelFormat.h"
 #endif

modules/juce_opengl/opengl/juce_OpenGLHelpers.cpp

@@ -48,6 +48,8 @@ void OpenGLHelpers::prepareFor2D (int width, int height)
    #else
     glOrtho (0.0, width, 0.0, height, 0, 1);
    #endif
+
+    glViewport (0, 0, width, height);
 }
 
 void OpenGLHelpers::setPerspective (double fovy, double aspect, double zNear, double zFar)

modules/juce_opengl/opengl/juce_OpenGLImage.cpp

@@ -0,0 +1,193 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library - "Jules' Utility Class Extensions"
+   Copyright 2004-11 by Raw Material Software Ltd.
+
+  ------------------------------------------------------------------------------
+
+   JUCE can be redistributed and/or modified under the terms of the GNU General
+   Public License (Version 2), as published by the Free Software Foundation.
+   A copy of the license is included in the JUCE distribution, or can be found
+   online at www.gnu.org/licenses.
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.rawmaterialsoftware.com/juce for more information.
+
+  ==============================================================================
+*/
+
+BEGIN_JUCE_NAMESPACE
+
+OpenGLFrameBufferImage::OpenGLFrameBufferImage (Image::PixelFormat format, int width, int height)
+    : Image::SharedImage (format, width, height),
+      pixelStride (4),
+      lineStride (width * pixelStride)
+{
+    frameBuffer.initialise (width, height);
+    frameBuffer.clear (Colours::transparentBlack);
+}
+
+OpenGLFrameBufferImage::~OpenGLFrameBufferImage() {}
+
+LowLevelGraphicsContext* OpenGLFrameBufferImage::createLowLevelContext()
+{
+    return new LowLevelGraphicsSoftwareRenderer (Image (this));
+}
+
+Image::SharedImage* OpenGLFrameBufferImage::clone()
+{
+    OpenGLFrameBufferImage* im = new OpenGLFrameBufferImage (getPixelFormat(), getWidth(), getHeight());
+    im->incReferenceCount();
+
+    {
+        Image newImage (im);
+        Graphics g (newImage);
+        g.drawImageAt (Image (this), 0, 0, false);
+    }
+
+    im->resetReferenceCount();
+    return im;
+}
+
+Image::ImageType OpenGLFrameBufferImage::getType() const
+{
+    return Image::NativeImage;
+}
+
+namespace OpenGLImageHelpers
+{
+    struct Dummy
+    {
+        Dummy (OpenGLFrameBuffer&, int, int, int, int) noexcept {}
+        static void read (OpenGLFrameBuffer&, Image::BitmapData& , int, int) noexcept {}
+        static void write (const void*) noexcept {}
+    };
+
+    struct Reader
+    {
+        static void read (OpenGLFrameBuffer& frameBuffer, Image::BitmapData& bitmapData, int x, int y)
+        {
+            if (frameBuffer.makeCurrentTarget())
+            {
+                OpenGLHelpers::prepareFor2D (frameBuffer.getWidth(), frameBuffer.getHeight());
+
+                glPixelStorei (GL_PACK_ALIGNMENT, 4);
+                glReadPixels (x, y, bitmapData.width, bitmapData.height, GL_RGBA, GL_UNSIGNED_BYTE, bitmapData.data);
+                frameBuffer.releaseCurrentTarget();
+            }
+        }
+    };
+
+    struct Writer
+    {
+        Writer (OpenGLFrameBuffer& frameBuffer_, int x, int y, int w, int h) noexcept
+            : frameBuffer (frameBuffer_), area (x, y, w, h)
+        {}
+
+        void write (const void* const data) const noexcept
+        {
+            if (frameBuffer.makeCurrentTarget())
+            {
+                OpenGLHelpers::prepareFor2D (frameBuffer.getWidth(), frameBuffer.getHeight());
+
+                glDisable (GL_DEPTH_TEST);
+                glDisable (GL_BLEND);
+
+               #if JUCE_OPENGL_ES
+                // GLES has no glDrawPixels function, so we have to create a texture and draw it..
+                GLuint temporaryTexture = 0;
+                glGenTextures (1, &temporaryTexture);
+                jassert (temporaryTexture != 0); // can't create a texture!
+
+                if (temporaryTexture != 0)
+                {
+                    glEnable (GL_TEXTURE_2D);
+                    glBindTexture (GL_TEXTURE_2D, temporaryTexture);
+
+                    glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
+                    glTexImage2D (GL_TEXTURE_2D, 0, GL_RGBA, area.getWidth(), area.getHeight(), 0,
+                                  GL_BGRA_EXT, GL_UNSIGNED_BYTE, data);
+
+                    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+                    glTexParameterf (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+                    const int cropRect[4] = { 0, 0, area.getWidth(), area.getHeight() };
+                    glTexParameteriv (GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
+
+                    glDrawTexiOES (area.getX(), area.getY(), 1, area.getWidth(), area.getHeight());
+
+                    glBindTexture (GL_TEXTURE_2D, 0);
+                    glDeleteTextures (1, &temporaryTexture);
+                }
+
+               #else
+                glRasterPos2i (area.getX(), area.getY());
+                glBindTexture (GL_TEXTURE_2D, 0);
+                glPixelStorei (GL_UNPACK_ALIGNMENT, 4);
+                glDrawPixels (area.getWidth(), area.getHeight(), GL_BGRA_EXT, GL_UNSIGNED_BYTE, data);
+              #endif
+
+                frameBuffer.releaseCurrentTarget();
+            }
+        }
+
+        OpenGLFrameBuffer& frameBuffer;
+        const Rectangle<int> area;
+
+        JUCE_DECLARE_NON_COPYABLE (Writer);
+    };
+
+    template <class ReaderType, class WriterType>
+    struct DataReleaser  : public Image::BitmapData::BitmapDataReleaser
+    {
+        DataReleaser (OpenGLFrameBuffer& frameBuffer, size_t dataSize, int x, int y, int w, int h)
+            : data (dataSize),
+              writer (frameBuffer, x, y, w, h)
+        {}
+
+        ~DataReleaser()
+        {
+            writer.write (data);
+        }
+
+        static void initialise (OpenGLFrameBuffer& frameBuffer, Image::BitmapData& bitmapData, int x, int y)
+        {
+            DataReleaser* r = new DataReleaser (frameBuffer, bitmapData.lineStride * bitmapData.height,
+                                                x, y, bitmapData.width, bitmapData.height);
+            bitmapData.dataReleaser = r;
+            bitmapData.data = r->data + x * bitmapData.pixelStride + y * bitmapData.lineStride;
+
+            ReaderType::read (frameBuffer, bitmapData, x, y);
+        }
+
+        HeapBlock<uint8> data;
+        WriterType writer;
+    };
+}
+
+void OpenGLFrameBufferImage::initialiseBitmapData (Image::BitmapData& bitmapData, int x, int y,
+                                                   Image::BitmapData::ReadWriteMode mode)
+{
+    using namespace OpenGLImageHelpers;
+
+    bitmapData.pixelFormat = format;
+    bitmapData.lineStride  = lineStride;
+    bitmapData.pixelStride = pixelStride;
+
+    switch (mode)
+    {
+        case Image::BitmapData::writeOnly:  DataReleaser<Dummy,  Writer>::initialise (frameBuffer, bitmapData, x, y); break;
+        case Image::BitmapData::readOnly:   DataReleaser<Reader, Dummy> ::initialise (frameBuffer, bitmapData, x, y); break;
+        case Image::BitmapData::readWrite:  DataReleaser<Reader, Writer>::initialise (frameBuffer, bitmapData, x, y); break;
+        default:                            jassertfalse; break;
+    }
+}
+
+END_JUCE_NAMESPACE

modules/juce_opengl/opengl/juce_OpenGLImage.h

@@ -0,0 +1,70 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library - "Jules' Utility Class Extensions"
+   Copyright 2004-11 by Raw Material Software Ltd.
+
+  ------------------------------------------------------------------------------
+
+   JUCE can be redistributed and/or modified under the terms of the GNU General
+   Public License (Version 2), as published by the Free Software Foundation.
+   A copy of the license is included in the JUCE distribution, or can be found
+   online at www.gnu.org/licenses.
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+  ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.rawmaterialsoftware.com/juce for more information.
+
+  ==============================================================================
+*/
+
+#ifndef __JUCE_OPENGLIMAGE_JUCEHEADER__
+#define __JUCE_OPENGLIMAGE_JUCEHEADER__
+
+
+//==============================================================================
+/**
+    A type of Image::SharedImage that stores its image data in an OpenGL
+    framebuffer, allowing a JUCE Image object to wrap a framebuffer.
+
+    By creating an Image from an instance of an OpenGLFrameBufferImage,
+    you can then use a Graphics object to draw into the framebuffer using normal
+    JUCE 2D operations.
+
+    @see Image, Image::SharedImage, OpenGLFrameBuffer
+*/
+class JUCE_API  OpenGLFrameBufferImage   : public Image::SharedImage
+{
+public:
+    OpenGLFrameBufferImage (Image::PixelFormat format, int width, int height);
+
+    /** Destructor. */
+    ~OpenGLFrameBufferImage();
+
+    /** The underlying framebuffer.
+        Although this is exposed to allow access to use it as a texture, etc, be
+        careful not to change its size while the image is using it.
+    */
+    OpenGLFrameBuffer frameBuffer;
+
+    /** @internal */
+    LowLevelGraphicsContext* createLowLevelContext();
+    /** @internal */
+    SharedImage* clone();
+    /** @internal */
+    Image::ImageType getType() const;
+    /** @internal */
+    void initialiseBitmapData (Image::BitmapData&, int, int, Image::BitmapData::ReadWriteMode);
+
+private:
+    int pixelStride, lineStride;
+
+    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (OpenGLFrameBufferImage);
+};
+
+#endif   // __JUCE_OPENGLIMAGE_JUCEHEADER__