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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 INCLUDED_VCL_INC_OPENGL_SALBMP_H
#define INCLUDED_VCL_INC_OPENGL_SALBMP_H
#include <basebmp/bitmapdevice.hxx>
#include <vcl/opengl/OpenGLContext.hxx>
#include "vcl/salbtype.hxx"
#include "opengl/bmpop.hxx"
#include "opengl/texture.hxx"
#include <salbmp.hxx>
#include <deque>
// - SalBitmap -
struct BitmapBuffer;
class BitmapPalette;
class VCL_PLUGIN_PUBLIC OpenGLSalBitmap : public SalBitmap
{
private:
OpenGLContext* mpContext;
OpenGLTexture maTexture;
bool mbDirtyTexture;
BitmapPalette maPalette;
basebmp::RawMemorySharedArray maUserBuffer;
sal_uInt16 mnBits;
sal_uInt16 mnBytesPerRow;
int mnWidth;
int mnHeight;
int mnBufWidth;
int mnBufHeight;
std::deque< OpenGLSalBitmapOp* > maPendingOps;
void makeCurrent();
public:
OpenGLSalBitmap();
virtual ~OpenGLSalBitmap();
public:
// SalBitmap methods
bool Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal ) SAL_OVERRIDE;
bool Create( const SalBitmap& rSalBmp ) SAL_OVERRIDE;
bool Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics ) SAL_OVERRIDE;
bool Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount ) SAL_OVERRIDE;
virtual bool Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas > xBitmapCanvas,
Size& rSize,
bool bMask = false ) SAL_OVERRIDE;
void Destroy() SAL_OVERRIDE;
Size GetSize() const SAL_OVERRIDE;
sal_uInt16 GetBitCount() const SAL_OVERRIDE;
BitmapBuffer *AcquireBuffer( bool bReadOnly ) SAL_OVERRIDE;
void ReleaseBuffer( BitmapBuffer* pBuffer, bool bReadOnly ) SAL_OVERRIDE;
bool GetSystemData( BitmapSystemData& rData ) SAL_OVERRIDE;
bool Crop( const Rectangle& rRectPixel ) SAL_OVERRIDE;
bool Scale( const double& rScaleX, const double& rScaleY, sal_uInt32 nScaleFlag ) SAL_OVERRIDE;
public:
bool Create( const OpenGLTexture& rTex, long nX, long nY, long nWidth, long nHeight );
OpenGLTexture& GetTexture() const;
OpenGLContext* GetBitmapContext() const;
private:
void ExecuteOperations();
GLuint CreateTexture();
void DeleteTexture();
void DrawTexture( GLuint nTexture, const SalTwoRect& rPosAry );
bool AllocateUserData();
bool ReadTexture();
private:
GLuint ImplGetTextureProgram();
GLuint mnTexProgram;
GLuint mnTexSamplerUniform;
GLuint ImplGetConvolutionProgram();
GLuint mnConvProgram;
GLuint mnConvSamplerUniform;
GLuint mnConvKernelUniform;
GLuint mnConvKernelSizeUniform;
GLuint mnConvOffsetsUniform;
bool ImplScaleFilter( const double& rScaleX, const double& rScaleY, GLenum nFilter );
void ImplCreateKernel( const double& fScale, const Kernel& rKernel, GLfloat*& pWeights, sal_uInt32& aKernelSize );
bool ImplScaleConvolution( const double& rScaleX, const double& rScaleY, const Kernel& aKernel );
public:
bool ImplScale( const double& rScaleX, const double& rScaleY, sal_uInt32 nScaleFlag );
};
#endif // INCLUDED_VCL_INC_OPENGL_SALBMP_H
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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