117 lines
4.4 KiB
C++
117 lines
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_INC_OPENGL_SALBMP_H
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#define INCLUDED_VCL_INC_OPENGL_SALBMP_H
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#include <basebmp/bitmapdevice.hxx>
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#include <vcl/opengl/OpenGLContext.hxx>
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#include "vcl/salbtype.hxx"
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#include "opengl/bmpop.hxx"
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#include "opengl/texture.hxx"
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#include <salbmp.hxx>
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#include <deque>
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// - SalBitmap -
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struct BitmapBuffer;
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class BitmapPalette;
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class VCL_PLUGIN_PUBLIC OpenGLSalBitmap : public SalBitmap
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{
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private:
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OpenGLContext* mpContext;
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OpenGLTexture maTexture;
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bool mbDirtyTexture;
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BitmapPalette maPalette;
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basebmp::RawMemorySharedArray maUserBuffer;
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sal_uInt16 mnBits;
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sal_uInt16 mnBytesPerRow;
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int mnWidth;
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int mnHeight;
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int mnBufWidth;
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int mnBufHeight;
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std::deque< OpenGLSalBitmapOp* > maPendingOps;
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void makeCurrent();
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public:
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OpenGLSalBitmap();
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virtual ~OpenGLSalBitmap();
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public:
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// SalBitmap methods
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bool Create( const Size& rSize, sal_uInt16 nBitCount, const BitmapPalette& rPal ) SAL_OVERRIDE;
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bool Create( const SalBitmap& rSalBmp ) SAL_OVERRIDE;
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bool Create( const SalBitmap& rSalBmp, SalGraphics* pGraphics ) SAL_OVERRIDE;
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bool Create( const SalBitmap& rSalBmp, sal_uInt16 nNewBitCount ) SAL_OVERRIDE;
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virtual bool Create( const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmapCanvas >& rBitmapCanvas,
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Size& rSize,
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bool bMask = false ) SAL_OVERRIDE;
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void Destroy() SAL_OVERRIDE;
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Size GetSize() const SAL_OVERRIDE;
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sal_uInt16 GetBitCount() const SAL_OVERRIDE;
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BitmapBuffer *AcquireBuffer( BitmapAccessMode nMode ) SAL_OVERRIDE;
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void ReleaseBuffer( BitmapBuffer* pBuffer, BitmapAccessMode nMode ) SAL_OVERRIDE;
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bool GetSystemData( BitmapSystemData& rData ) SAL_OVERRIDE;
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bool Crop( const Rectangle& rRectPixel ) SAL_OVERRIDE;
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bool Erase( const Color& rFillColor ) SAL_OVERRIDE;
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bool Scale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag ) SAL_OVERRIDE;
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bool Replace( const Color& rSearchColor, const Color& rReplaceColor, sal_uLong nTol ) SAL_OVERRIDE;
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public:
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bool Create( const OpenGLTexture& rTex, long nX, long nY, long nWidth, long nHeight );
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OpenGLTexture& GetTexture() const;
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static OpenGLContext* GetBitmapContext();
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private:
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void ExecuteOperations();
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GLuint CreateTexture();
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void DeleteTexture();
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void DrawTexture( GLuint nTexture, const SalTwoRect& rPosAry );
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bool AllocateUserData();
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bool ReadTexture();
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private:
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bool ImplScaleFilter( const double& rScaleX, const double& rScaleY, GLenum nFilter );
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static void ImplCreateKernel( const double& fScale, const Kernel& rKernel, GLfloat*& pWeights, sal_uInt32& aKernelSize );
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bool ImplScaleConvolution( const double& rScaleX, const double& rScaleY, const Kernel& aKernel );
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bool ImplScaleArea( double rScaleX, double rScaleY );
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public:
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bool ImplScale( const double& rScaleX, const double& rScaleY, BmpScaleFlag nScaleFlag );
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};
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#endif // INCLUDED_VCL_INC_OPENGL_SALBMP_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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