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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 1.9 2002/07/22 22:33:45 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 {
public:
BColor(unsigned char red = 0, unsigned char green = 0, unsigned char blue = 0):
m_red(red), m_green(green), m_blue(blue), m_pixel(0), m_allocated(false) { }
inline int isAllocated() const { return m_allocated; }
inline unsigned char red() const { return m_red; }
inline unsigned char green() const { return m_green; }
inline unsigned char blue() const { return m_blue; }
inline unsigned long pixel() const { return m_pixel; }
inline void setAllocated(bool a) { m_allocated = a; }
inline void setRGB(char red, char green, char blue) { m_red = red; m_green = green; m_blue = blue; }
inline void setPixel(unsigned long pixel) { m_pixel = pixel; }
private:
unsigned char m_red, m_green, m_blue;
unsigned long m_pixel;
bool m_allocated;
};
class BTexture {
public:
BTexture():m_texture(0) { }
inline const BColor &color() const { return m_color; }
inline const BColor &colorTo() const { return m_color_to; }
inline const BColor &hiColor() const { return m_hicolor; }
inline const BColor &loColor() const { return m_locolor; }
inline BColor &color() { return m_color; }
inline BColor &colorTo() { return m_color_to; }
inline BColor &hiColor() { return m_hicolor; }
inline BColor &loColor() { return m_locolor; }
inline unsigned long getTexture() const { return m_texture; }
inline void setTexture(unsigned long t) { m_texture = t; }
inline void addTexture(unsigned long t) { m_texture |= t; }
private:
BColor m_color, m_color_to, m_hicolor, m_locolor;
unsigned long m_texture;
};
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 {
public:
BImageControl(BaseDisplay *disp, ScreenInfo *screen, bool = False, int = 4,
unsigned long = 300000l, unsigned long = 200l);
virtual ~BImageControl();
inline BaseDisplay *baseDisplay() { return basedisplay; }
inline bool doDither() { return dither; }
inline const Colormap &colormap() const { return m_colormap; }
inline ScreenInfo *getScreenInfo() { return screeninfo; }
inline const Window &drawable() const { return window; }
inline Visual *visual() { return screeninfo->getVisual(); }
inline int bitsPerPixel() const { return bits_per_pixel; }
inline int depth() const { return screen_depth; }
inline int colorsPerChannel(void) const { return colors_per_channel; }
unsigned long color(const char *colorname);
unsigned long color(const char *, unsigned char *, unsigned char *,
unsigned char *);
unsigned long getSqrt(unsigned int val);
Pixmap renderImage(unsigned int, unsigned int, BTexture *);
void installRootColormap();
void removeImage(Pixmap thepix);
void colorTables(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 cpc);
void parseTexture(BTexture *ret_texture, char *sval);
void parseColor(BColor *ret_color, char *sval = 0);
virtual void timeout();
private:
bool dither;
BaseDisplay *basedisplay;
ScreenInfo *screeninfo;
#ifdef TIMEDCACHE
BTimer timer;
#endif // TIMEDCACHE
Colormap m_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;
static unsigned long *sqrt_table;
unsigned long 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 *);
};
#endif // __Image_hh
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