src/Image.hh (raw)
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// Image.hh for Fluxbox Window Manager // Copyright (c) 2001 - 2002 Henrik Kinnunen (fluxbox@linuxmail.org) // // Image.hh for Blackbox - an X11 Window manager // Copyright (c) 1997 - 2000 Brad Hughes (bhughes@tcac.net) // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // $Id: Image.hh,v 1.4 2002/02/04 22:41:27 fluxgen Exp $ #ifndef _IMAGE_HH_ #define _IMAGE_HH_ #include <X11/Xlib.h> #include <X11/Xutil.h> #include "Timer.hh" #include "BaseDisplay.hh" #include <list> class BImage; class BImageControl; class BColor { private: int allocated; unsigned char red, green, blue; unsigned long pixel; public: BColor(char r = 0, char g = 0, char b = 0) { red = r; green = g; blue = b; pixel = 0; allocated = 0; } inline const int &isAllocated(void) const { return allocated; } inline const unsigned char &getRed(void) const { return red; } inline const unsigned char &getGreen(void) const { return green; } inline const unsigned char &getBlue(void) const { return blue; } inline const unsigned long &getPixel(void) const { return pixel; } inline void setAllocated(int a) { allocated = a; } inline void setRGB(char r, char g, char b) { red = r; green = g; blue = b; } inline void setPixel(unsigned long p) { pixel = p; } }; class BTexture { private: BColor color, colorTo, hiColor, loColor; unsigned long texture; public: BTexture(void) { texture = 0; } inline BColor *getColor(void) { return &color; } inline BColor *getColorTo(void) { return &colorTo; } inline BColor *getHiColor(void) { return &hiColor; } inline BColor *getLoColor(void) { return &loColor; } inline const unsigned long &getTexture(void) const { return texture; } inline void setTexture(unsigned long t) { texture = t; } inline void addTexture(unsigned long t) { texture |= t; } }; class BImage { private: BImageControl *control; #ifdef INTERLACE Bool interlaced; #endif // INTERLACE XColor *colors; BColor *from, *to; int red_offset, green_offset, blue_offset, red_bits, green_bits, blue_bits, ncolors, cpc, cpccpc; unsigned char *red, *green, *blue, *red_table, *green_table, *blue_table; unsigned int width, height, *xtable, *ytable; protected: Pixmap renderPixmap(void); XImage *renderXImage(void); void invert(void); void bevel1(void); void bevel2(void); void dgradient(void); void egradient(void); void hgradient(void); void pgradient(void); void rgradient(void); void vgradient(void); void cdgradient(void); void pcgradient(void); public: enum Bevel{FLAT=0x00002, SUNKEN=0x00004, RAISED=0x00008}; enum Textures{SOLID=0x00010, GRADIENT=0x00020}; enum Gradients{ HORIZONTAL=0x00040, VERTICAL=0x00080, DIAGONAL=0x00100, CROSSDIAGONAL=0x00200, RECTANGLE=0x00400, PYRAMID=0x00800, PIPECROSS=0x01000, ELLIPTIC=0x02000 }; enum { BEVEL1=0x04000, BEVEL2=0x08000, // bevel types INVERT=0x010000, //inverted image PARENTRELATIVE=0x20000, INTERLACED=0x40000 }; BImage(BImageControl *, unsigned int, unsigned int); ~BImage(void); Pixmap render(BTexture *); Pixmap render_solid(BTexture *); Pixmap render_gradient(BTexture *); }; class BImageControl : public TimeoutHandler { private: Bool dither; BaseDisplay *basedisplay; ScreenInfo *screeninfo; #ifdef TIMEDCACHE BTimer *timer; #endif // TIMEDCACHE Colormap colormap; Window window; XColor *colors; int colors_per_channel, ncolors, screen_number, screen_depth, bits_per_pixel, red_offset, green_offset, blue_offset, red_bits, green_bits, blue_bits; unsigned char red_color_table[256], green_color_table[256], blue_color_table[256]; unsigned int *grad_xbuffer, *grad_ybuffer, grad_buffer_width, grad_buffer_height; unsigned long *sqrt_table, cache_max; typedef struct Cache { Pixmap pixmap; unsigned int count, width, height; unsigned long pixel1, pixel2, texture; } Cache; typedef std::list<Cache *> CacheList; CacheList cache; protected: Pixmap searchCache(unsigned int, unsigned int, unsigned long, BColor *, BColor *); public: BImageControl(BaseDisplay *, ScreenInfo *, Bool = False, int = 4, unsigned long = 300000l, unsigned long = 200l); virtual ~BImageControl(void); inline BaseDisplay *getBaseDisplay(void) { return basedisplay; } inline const Bool &doDither(void) { return dither; } inline const Colormap &getColormap(void) const { return colormap; } inline ScreenInfo *getScreenInfo(void) { return screeninfo; } inline const Window &getDrawable(void) const { return window; } inline Visual *getVisual(void) { return screeninfo->getVisual(); } inline const int &getBitsPerPixel(void) const { return bits_per_pixel; } inline const int &getDepth(void) const { return screen_depth; } inline const int &getColorsPerChannel(void) const { return colors_per_channel; } unsigned long getColor(const char *); unsigned long getColor(const char *, unsigned char *, unsigned char *, unsigned char *); unsigned long getSqrt(unsigned int); Pixmap renderImage(unsigned int, unsigned int, BTexture *); void installRootColormap(void); void removeImage(Pixmap); void getColorTables(unsigned char **, unsigned char **, unsigned char **, int *, int *, int *, int *, int *, int *); void getXColorTable(XColor **, int *); void getGradientBuffers(unsigned int, unsigned int, unsigned int **, unsigned int **); void setDither(Bool d) { dither = d; } void setColorsPerChannel(int); void parseTexture(BTexture *, char *); void parseColor(BColor *, char * = 0); virtual void timeout(void); }; #endif // __Image_hh |