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00001 /********************************************************************************
00002 *                                                                               *
00003 *                             I m a g e    O b j e c t                          *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1997,2012 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 #ifndef FXIMAGE_H
00022 #define FXIMAGE_H
00023 
00024 #ifndef FXDRAWABLE_H
00025 #include "FXDrawable.h"
00026 #endif
00027 
00028 namespace FX {
00029 
00030 
00032 enum {
00033   IMAGE_KEEP       = 0x00000001,      
00034   IMAGE_OWNED      = 0x00000002,      
00035   IMAGE_DITHER     = 0,               
00036   IMAGE_NEAREST    = 0x00000004,      
00037   IMAGE_OPAQUE     = 0x00000008,      
00038   IMAGE_ALPHACOLOR = 0x00000010,      
00039   IMAGE_SHMI       = 0x00000020,      
00040   IMAGE_SHMP       = 0x00000040,      
00041   IMAGE_ALPHAGUESS = 0x00000080,      
00042   IMAGE_THRESGUESS = 0x00000100       
00043   };
00044 
00045 
00046 class FXDC;
00047 class FXDCWindow;
00048 
00049 
00067 class FXAPI FXImage : public FXDrawable {
00068   FXDECLARE(FXImage)
00069   friend class FXDC;
00070   friend class FXDCWindow;
00071 protected:
00072   FXColor *data;        // Pixel data
00073   FXuint   options;     // Options
00074 private:
00075 #ifdef WIN32
00076   virtual FXID GetDC() const;
00077   virtual int ReleaseDC(FXID) const;
00078 #else
00079   void render_true_32(void *xim,FXuchar *img);
00080   void render_true_24(void *xim,FXuchar *img);
00081   void render_true_16_fast(void *xim,FXuchar *img);
00082   void render_true_16_dither(void *xim,FXuchar *img);
00083   void render_true_8_fast(void *xim,FXuchar *img);
00084   void render_true_8_dither(void *xim,FXuchar *img);
00085   void render_true_N_fast(void *xim,FXuchar *img);
00086   void render_true_N_dither(void *xim,FXuchar *img);
00087   void render_index_4_fast(void *xim,FXuchar *img);
00088   void render_index_4_dither(void *xim,FXuchar *img);
00089   void render_index_8_fast(void *xim,FXuchar *img);
00090   void render_index_8_dither(void *xim,FXuchar *img);
00091   void render_index_N_fast(void *xim,FXuchar *img);
00092   void render_index_N_dither(void *xim,FXuchar *img);
00093   void render_gray_8_fast(void *xim,FXuchar *img);
00094   void render_gray_8_dither(void *xim,FXuchar *img);
00095   void render_gray_N_fast(void *xim,FXuchar *img);
00096   void render_gray_N_dither(void *xim,FXuchar *img);
00097   void render_mono_1_fast(void *xim,FXuchar *img);
00098   void render_mono_1_dither(void *xim,FXuchar *img);
00099 #endif
00100 protected:
00101   FXImage();
00102 private:
00103   FXImage(const FXImage&);
00104   FXImage &operator=(const FXImage&);
00105 public:
00106 
00116   FXImage(FXApp* a,const FXColor *pix=NULL,FXuint opts=0,FXint w=1,FXint h=1);
00117 
00119   void setOptions(FXuint opts);
00120 
00122   FXuint getOptions() const { return options; }
00123 
00125   void setOwned(FXbool owned);
00126 
00128   FXbool isOwned() const;
00129 
00136   virtual void setData(FXColor *pix,FXuint opts=0);
00137 
00144   virtual void setData(FXColor *pix,FXuint opts,FXint w,FXint h);
00145 
00147   FXColor* getData() const { return data; }
00148 
00150   FXColor getPixel(FXint x,FXint y) const { return data[y*width+x]; }
00151 
00153   void setPixel(FXint x,FXint y,FXColor color){ data[y*width+x]=color; }
00154 
00156   FXbool hasAlpha() const;
00157 
00166   virtual void create();
00167 
00172   virtual void detach();
00173 
00178   virtual void destroy();
00179 
00185   virtual void restore();
00186 
00194   virtual void render();
00195 
00200   virtual void release();
00201 
00207   virtual void resize(FXint w,FXint h);
00208 
00213   virtual void scale(FXint w,FXint h,FXint quality=0);
00214 
00216   virtual void mirror(FXbool horizontal,FXbool vertical);
00217 
00222   virtual void rotate(FXint degrees);
00223 
00230   virtual void crop(FXint x,FXint y,FXint w,FXint h,FXColor color=0);
00231 
00233   virtual void fill(FXColor color);
00234 
00236   virtual void fade(FXColor color,FXint factor=255);
00237 
00243   virtual void xshear(FXint shear,FXColor clr=0);
00244 
00250   virtual void yshear(FXint shear,FXColor clr=0);
00251 
00253   virtual void hgradient(FXColor left,FXColor right);
00254 
00256   virtual void vgradient(FXColor top,FXColor bottom);
00257 
00259   virtual void gradient(FXColor topleft,FXColor topright,FXColor bottomleft,FXColor bottomright);
00260 
00262   virtual void blend(FXColor color);
00263 
00265   virtual void invert();
00266 
00268   virtual void colorize(FXColor color);
00269 
00271   virtual FXbool savePixels(FXStream& store) const;
00272 
00274   virtual FXbool loadPixels(FXStream& store);
00275 
00277   virtual void save(FXStream& store) const;
00278 
00280   virtual void load(FXStream& store);
00281 
00283   virtual ~FXImage();
00284   };
00285 
00286 }
00287 
00288 #endif

Copyright © 1997-2011 Jeroen van der Zijp