/* * File: wx_image.h * Purpose: * * wxWindows 1.50 * Copyright (c) 1993 Artificial Intelligence Applications Institute, * The University of Edinburgh * * Author: Julian Smart * Date: 7-9-93 * * Permission to use, copy, modify, and distribute this software and its * documentation for any purpose is hereby granted without fee, provided * that the above copyright notice, author statement and this permission * notice appear in all copies of this software and related documentation. * * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, * IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL THE ARTIFICIAL INTELLIGENCE APPLICATIONS INSTITUTE OR THE * UNIVERSITY OF EDINBURGH BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR * CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF * DAMAGE, AND ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH * THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ #ifndef wx_imageh #define wx_imageh #include "common.h" #include "wx_obj.h" #include "wx_imgx.h" #define wxUNKNOWN 0 #define wxGIF 1 #define wxPM 2 #define wxPBM 3 #define wxXBM 4 class wxColourMap; class wxBitmap; class wxCanvas; wxBitmap *wxLoadBitmap(char *filename, wxColourMap **cmap = NULL); Bool wxLoadIntoBitmap(char *filename, wxBitmap *bitmap, wxColourMap **cmap = NULL); class wxImage: public wxObject { int filetype; wxColourMap *cMap; public: /* * Public interface */ wxImage(void); ~wxImage(void); Bool Load(char *file); Bool Destroy(void); void Draw(wxCanvas *canvas, int x = 0, int y = 0, int width = -1, int height = -1); void Resize(int, int); void GetSize(int *width, int *height); inline int GetType(void) { return filetype; } wxColourMap *GetColourMap(void); /* * X stuff */ #ifdef wx_x Display *theDisp; int theScreen; unsigned int ncells, dispWIDE, dispHIGH, dispDEEP; Colormap theCmap, LocalCmap; Window rootW; unsigned long black, white, fg, bg, infofg, infobg; Visual *theVisual; /* global vars used by LOAD routines */ byte *pic; /* ptr to loaded picture */ byte *pic24; /* Used by 25-8 bit conversion */ unsigned int pWIDE,pHIGH; /* size of 'pic' */ int imgDEBUG; /* print debugging info */ int mono; /* true if displaying grayscale */ /* more global variables, used by xv and xvmisc */ byte *cpic; /* cropped version of pic */ unsigned int cWIDE, cHIGH, /* size of cropped region */ cXOFF, cYOFF; /* offset of region from 0,0 of pic */ byte *epic; /* expanded version of cpic */ /* points to pic when at 1:1 expansion */ /* this is converted to 'theImage' */ unsigned int eWIDE, eHIGH; /* size of epic */ unsigned int normFact; /* factor to shrink picture by for 'norm' */ byte rorg[256],gorg[256],borg[256]; /* ORIGINAL colormap */ XImage *theImage; /* X version of epic */ unsigned long freecols[256]; /* list of pixel values to free */ int nfcols; /* number of colors to free */ unsigned long cols[256]; /* maps pic pixel values to X pixel vals */ int fc2pcol[256]; /* maps freecols into pic pixel values */ int numcols; /* # of desired colors in picture */ int ncols; /* max # of (different) colors to alloc */ int expand, /* expansion amount */ bwidth, /* border width of created windows */ noglob, /* force to only use colors it alloced */ revvideo, /* reverse video */ perfect, /* perfect color. install own colormap */ fixedaspect, /* fixed aspect ratio */ slow24, /* use slow 24to8 algorithm */ ninstall, /* true if using icccm-complaint WM (a WM that will does install CMaps */ useroot, /* true if we should draw in rootW */ noqcheck, /* true if we should NOT do QuickCheck */ rwcolor, /* true if we should use R/W color cells */ rwthistime, /* true if we DID use R/W color cells */ brokeFreeCols; /* true if server has broken XFreeColors */ float defaspect, /* default aspect ratio to use */ normaspect; /* normal aspect ratio of this picture */ /*************************** XVMISC.C ***************************/ void Rotate(int); void SortColormap(void); void AllocColors(void); void AllocRWColors(void); void DoMonoAndRV(void); void FSDither(byte *, int, int, byte *); void CreateXImage(void); void FatalError(char *); void Timer(int); /*************************** XV24TO8.C **************************/ int Conv24to8(byte *, int, int, int); int Quick24to8(byte *p24, int w, int h); int QuickCheck(byte *pic24, int w, int h, int maxcol); void get_histogram(CBOX *box); CBOX *largest_box(); void splitbox(CBOX *ptr); void shrinkbox(CBOX *box); int quant_fsdither(); /**************************** XVGAM.C **************************/ void GenerateGamma(void); void GenerateFSGamma(void); void GammifyColors(void); void HSVgamma(void); /**************************** XVGIF.C ***************************/ int LoadGIF(char *, int); int WriteGIF(FILE *fp, byte *pic, int w, int h, byte *rmap, byte *gmap, byte *bmap, int numcols, int colorstyle); /**************************** XVPM.C ****************************/ int LoadPM(char *, int); int WritePM(FILE *, byte *, int, int, byte *, byte *, byte *, int, int); /**************************** XVPBM.C ***************************/ int LoadPBM(char *, int); int WritePBM(FILE *, byte *, int, int, byte *, byte *, byte *, int, int, int); int loadpbm(FILE *fp, int w, int h, int raw); int loadpgm(FILE *fp, int w, int h, int maxv, int raw); int loadppm(FILE *fp, int w, int h, int maxv, int raw, int nc); /**************************** XVXBM.C ***************************/ int LoadXBM(char *, int); int WriteXBM(FILE *, byte *, int, int, char *); /* xvbmp.c */ int LoadBMP(char *fname, PICINFO *pinfo); int WriteBMP(FILE *fp, byte *pic824, int ptype, int w, int h, byte *rmap, byte *gmap, byte *bmap, int numcols, int colorstyle); /* xvpcx.c */ int LoadPCX(char *fname, PICINFO *pinfo); /* Taken from xvmisc.c */ void RotatePic(byte *, unsigned int *, unsigned int *, int); void FloydDitherize8(byte *); void FloydDitherize1(XImage *); void FreeMostResources(void); /* Taken from xvgif.c */ int ReadCode(); void DoInterlace(byte); int GifError(char *); /* Taken from xv.c */ int openPic(char *file); void closePic(); void FixAspect(int, int *, int *); void GetWindowPos(XWindowAttributes *); void SetWindowPos(XWindowAttributes *); int rd_int(char *); int rd_str(char *); int rd_flag(char *); #endif }; #endif // wx_imageh