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/*
* This file is part of rasdaman community.
*
* Rasdaman community is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Rasdaman community 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with rasdaman community. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2003, 2004, 2005, 2006, 2007, 2008, 2009 Peter Baumann /
rasdaman GmbH.
*
* For more information please see <http://www.rasdaman.org>
* or contact Peter Baumann via <baumann@rasdaman.com>.
/
/**
* PURPOSE:
* Efficient bitmaps of colour depths 1, 2, 4, 8, 16, 24 and 32bpp
*
* COMMENTS:
* None
*/
#ifndef wx_pixmap_h
#define wx_pixmap_h
// should be in <wx/defs.h>, but only for OS/2 (?): -- PB 2006-jan-01
typedef unsigned long COLORREF;
// #include "wx_stat.h"
#include <wx/generic/statusbr.h>
#ifdef __GNUG__
#pragma interface
#endif
#include "wx/object.h"
// changed in new wxWindows
//#include "wx_prec.h"
#include "wx/wxprec.h"
/* Weights for colour matching */
#define COLOUR_WEIGHT_RED 4
#define COLOUR_WEIGHT_GREEN 9
#define COLOUR_WEIGHT_BLUE 1
/* No changes below this line should be necessary. */
/* Flag bits for initialising functions*/
#define WX_PIXFLAG_TRANSLATE 1 /* class-resident mode translation enabled? */
#define WX_PIXFLAG_DITHER 2 /* Dither image. Overrides WX_PIXFLAG_TRANSLATE. */
#define WX_PIXFLAG_SAMEPALETTE 4 /* The palette is the same as the old one */
#define WX_PIXFLAG_FASTDITHER 8 /* Fast rather than best ditherer */
#define WX_PIXMODE_PALETTE 1 /* force making new colour tables on a mode change */
/* Structure for a permuted colour map (for more efficient colour matching) */
typedef struct wx_permute_cmap {
unsigned char red, green, blue, number;
} wx_permute_cmap;
/*
* Translation tables for true-colour-pixmaps to <= 8bpp modes and fast ditherer.
* Shared! Define WX_PIXMAP_GLOBAL_VOLATILE to free global translation tables
* as soon as no more references to it exist. Default is to keep them.
*/
extern unsigned char *TrueTransTab;
extern unsigned char *FastDitherTab;
extern int TrueTransCount;
extern int FastDitherCount;
class wxPixmap;
/* Type of pixmap translation function */
typedef void (*wx_pixmap_translate)(const unsigned char *src, unsigned char *dest, int width, int height, int srcPitch, int destPitch, const unsigned char *tt);
/* Type of pixmap dithering function */
typedef void (wxPixmap::*wx_pixmap_dither)(unsigned char *dest, int destPad);
/* Type of colour-matching functions (used in ditherers) */
typedef int (wxPixmap::*pixmap_colour_match)(unsigned char r, unsigned char g, unsigned char b);
/*
* Class for efficiently displaying raster images of any depth, initialising
* them from binary data.
* The macro wx_pixmap_alloc_cols distinguishes between two colour models.
* If it's defined the colours are allocated (X), otherwise the current
* colourmap is read and processed internally (much faster and usually
* much more accurate).
*/
class WXDLLEXPORT wxPixmap : public wxObject
{
public:
/* Public member functions */
wxPixmap(void);
wxPixmap(wxWindow *Win, int Width, int Height, int Depth, int Pad, char *Data, unsigned int Flags=WX_PIXFLAG_TRANSLATE, wxColour *Palette=NULL);
~wxPixmap(void);
int newPixmap(wxWindow *Win, int Width, int Height, int Depth, int Pad, char *Data, unsigned int Flags=WX_PIXFLAG_TRANSLATE, wxColour *Palette=NULL);
int plotPixmap(int PosX, int PosY);
void invalidatePixmap(void);
int getWidth(void);
int getHeight(void);
int getDepth(void);
int getPitch(void);
char *getData(void);
wxColour *getPalette(void);
int getModeDepth(void);
int getModePitch(void);
char *getModeData(void);
unsigned char *getTranslationTable(void);
void modeChange(unsigned int Flags);
void buildTranslationTable(void);
void refreshGlobalTables(void);
bool setBusyCursor(bool newMode);
#ifndef wx_pixmap_alloc_cols
void processParentPalette(bool forceUpdate=FALSE);
void processPixmapPalette(void);
wx_permute_cmap *getParentPalette(void);
int findBestColour(unsigned char red, unsigned char green, unsigned char blue);
int findFastColour(unsigned char red, unsigned char green, unsigned char blue);
/* Include auto-generated ditherer headers; these need the colour maps set up
correctly, so it only works with wx_pixmap_alloc_cols not defined. */
#include "wx_pixmap_dither.h"
#endif
protected:
/* protected member functions */
void errorMemory(void);
void errorGeneric(char *message);
void initVariables(void);
void freeResources(int Depth, unsigned int Flags);
void translateToMode(void);
void ditherToMode(void);
void getDisplayAttributes(void);
void initColoursForMode(bool forceUpdate=FALSE);
void setupTranslators(void);
#ifndef wx_pixmap_alloc_cols
void sortParentPalette(int from, int to); /* Quicksorter */
void buildInverseTable(void);
#endif
/* protected variables */
int width, height, depth, pad, pitch; /* parameters for image */
int displayDepth, displayPitch, displayPad; /* parameters for current display */
char *data; /* Raw source data */
char *modeData; /* Translated data suitable for plotting */
union {unsigned char *c; COLORREF *l;} TransTab; /* Colour translation table. */
/* COLORREF is defined in wxWindows */
int TransTabSize;
wxColour *palette; /* Source data palette */
wxWindow *parentWin; /* The parent window date should be plotted to */
unsigned int pixFlags;
#ifdef wx_pixmap_alloc_cols
char ColourAlloc[32]; /* bitfield (256 bits). Bit i set ==> X-colour #i allocated OK. */
/* only used for displayDepth <= 8. */
#else
int parentPaletteDepth;
wx_permute_cmap *parentPalette, *pixmapPalette;
unsigned char parentInverse[256];
#endif
bool validDisplay;
bool busyCursorMode;
// wxDebugStreamBuf streamBuf; -- PB 2006-jan-01
wxOutputStream streamBuf;
std::ostream *errorstr;
int destBitorder, destByteorder, rgbOrder;
wx_pixmap_translate pixtrans1, pixtrans2, pixtrans4, pixtrans8, pixtrans12;
wx_pixmap_translate pixtrans15, pixtrans24, pixtrans32;
wx_pixmap_dither pixdither1, pixdither2, pixdither4, pixdither8, pixdither12;
wx_pixmap_dither pixdither15, pixdither24, pixdither32;
pixmap_colour_match colour_matcher;
#ifdef wx_x
/* System Specifics */
Display *display;
XVisualInfo visualInfo;
XImage *xim;
XGCValues xgcvals;
XWindowAttributes xat;
GC myGC;
int screen;
Window rootwin, windowHandle;
#endif
#ifdef wx_msw
void win_translate_24_to_24(unsigned char *dest);
BITMAP bmDesc;
HBITMAP bitmap;
HWND windowHandle;
HWND desktop;
HDC rootDC, winDC, srcDC;
HGDIOBJ oldDCObject;
HPALETTE currentPal;
#endif
};
#endif
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