![]() |
Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
![]() |
00001 /******************************************************************************** 00002 * * 00003 * P N G I m a g e O b j e c t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1999,2009 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or modify * 00009 * it under the terms of the GNU Lesser General Public License as published by * 00010 * the Free Software Foundation; either version 3 of the License, or * 00011 * (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00016 * GNU Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public License * 00019 * along with this program. If not, see <http://www.gnu.org/licenses/> * 00020 ********************************************************************************* 00021 * $Id: FXPNGImage.h,v 1.28 2009/01/06 13:07:26 fox Exp $ * 00022 ********************************************************************************/ 00023 #ifndef FXPNGIMAGE_H 00024 #define FXPNGIMAGE_H 00025 00026 #ifndef FXIMAGE_H 00027 #include "FXImage.h" 00028 #endif 00029 00030 namespace FX { 00031 00032 00033 /// Portable Network Graphics (PNG) Image class 00034 class FXAPI FXPNGImage : public FXImage { 00035 FXDECLARE(FXPNGImage) 00036 protected: 00037 FXPNGImage(){} 00038 private: 00039 FXPNGImage(const FXPNGImage&); 00040 FXPNGImage &operator=(const FXPNGImage&); 00041 public: 00042 static const FXchar fileExt[]; 00043 static const FXchar mimeType[]; 00044 public: 00045 00046 /// Construct an image from memory stream formatted in PNG format 00047 FXPNGImage(FXApp *a,const void *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1); 00048 00049 /// True if format is supported 00050 static const FXbool supported; 00051 00052 /// Save pixels into stream in PNG format 00053 virtual FXbool loadPixels(FXStream& store); 00054 00055 /// Load pixels from stream in PNG format 00056 virtual FXbool savePixels(FXStream& store) const; 00057 00058 /// Destroy 00059 virtual ~FXPNGImage(); 00060 }; 00061 00062 00063 /** 00064 * Check if stream contains a PNG, return true if so. 00065 */ 00066 extern FXAPI FXbool fxcheckPNG(FXStream& store); 00067 00068 00069 /** 00070 * Load an PNG (Portable Network Graphics) file from a stream. 00071 * Upon successful return, the pixel array and size are returned. 00072 * If an error occurred, the pixel array is set to NULL. 00073 */ 00074 extern FXAPI FXbool fxloadPNG(FXStream& store,FXColor*& data,FXint& width,FXint& height); 00075 00076 00077 /** 00078 * Save an PNG (Portable Network Graphics) file to a stream. 00079 */ 00080 extern FXAPI FXbool fxsavePNG(FXStream& store,const FXColor* data,FXint width,FXint height); 00081 00082 } 00083 00084 #endif
![]() |