/******************************************************************************** * * * J P E G - 2 0 0 0 I m a g e O b j e c t * * * ********************************************************************************* * Copyright (C) 2009,2024 by Jeroen van der Zijp. All Rights Reserved. * ********************************************************************************* * This library is free software; you can redistribute it and/or modify * * it under the terms of the GNU Lesser General Public License as published by * * the Free Software Foundation; either version 3 of the License, or * * (at your option) any later version. * * * * This library 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 Lesser General Public License for more details. * * * * You should have received a copy of the GNU Lesser General Public License * * along with this program. If not, see * ********************************************************************************/ #ifndef FXJP2IMAGE_H #define FXJP2IMAGE_H #ifndef FXIMAGE_H #include "FXImage.h" #endif namespace FX { /// JPEG-2000 Image class class FXAPI FXJP2Image : public FXImage { FXDECLARE(FXJP2Image) protected: FXint quality; protected: FXJP2Image(){} private: FXJP2Image(const FXJP2Image&); FXJP2Image &operator=(const FXJP2Image&); public: static const FXchar fileExt[]; static const FXchar mimeType[]; public: /// Construct an image from memory stream formatted in JPEG-2000 format FXJP2Image(FXApp *a,const FXuchar *pix=nullptr,FXuint opts=0,FXint w=1,FXint h=1,FXint q=100); /// True if format is supported static const FXbool supported; /// Set image quality to save with void setQuality(FXint q){ quality=q; } /// Get image quality setting FXint getQuality() const { return quality; } /// Load pixels from stream in JPEG format virtual FXbool savePixels(FXStream& store) const; /// Save pixels into stream in JPEG format virtual FXbool loadPixels(FXStream& store); /// Destroy virtual ~FXJP2Image(); }; #ifndef FXLOADJP2 #define FXLOADJP2 /** * Check if stream contains a JP2, return true if so. */ extern FXAPI FXbool fxcheckJP2(FXStream& store); /** * Load an JPEG-2000 file from a stream. * Upon successful return, the pixel array and size are returned. * If an error occurred, the pixel array is set to NULL. */ extern FXAPI FXbool fxloadJP2(FXStream& store,FXColor*& data,FXint& width,FXint& height,FXint& quality); /** * Save an JPEG-2000 file to a stream. */ extern FXAPI FXbool fxsaveJP2(FXStream& store,const FXColor* data,FXint width,FXint height,FXint quality); #endif } #endif