gclib/gclib/gdimg.h

#ifndef _GDIMG_
#define _GDIMG_
#include "GBase.h"
#include "gd.h"


class GDImg {
 protected:
     gdImagePtr img;
     int imgW;
     int imgH;
     FILE* fout;
     int currentColor;
     int bgColor; //preallocated white by default
     void setFile(const char* fname);
     void setFile(FILE* f);
     static int defaultBg;
 public:
  GDImg(int w=64, int h=64, const char* fname=NULL, int bg_rgb=defaultBg);
  GDImg(int w,int h, int bg_rgb) {
     GDImg(w,h, (const char*)NULL, bg_rgb);
     }
  ~GDImg();
  void write(const char* fname=NULL); //automatically write GIF
  void setTransparent(int cidx); // -1 means 'no transparency'
  void setTransparent(bool v=true) {
    setTransparent(v ? (int) bgColor : (int)-1);
    }
  int color(byte r, byte g, byte b);
  int color(int rgb) {
    return color( (byte)(rgb>>16) & 255,
                 (byte)(rgb>>8) & 255,
                 (byte)(rgb & 255)); }
  int colorAllocate(byte r, byte g, byte b) { return color(r,g,b); }
  int colorAllocate(int rgb) { return color(rgb); }
  void setColorIdx(int color) { currentColor=color; } //current color for drawing operations
  int setColor(int r, int g, int b) {
     currentColor=this->color(r,g,b);
     return currentColor;
     }
  int setColor(int rgb) {
    currentColor=this->color(rgb);
    return currentColor;
    }
  void setPixel(int x, int y, int color=-1) {
      if (color==-1) color=currentColor;
      gdImageSetPixel(img, x,y,color);
      }
  int getPixel(int x, int y) { return gdImageGetPixel(img, x, y); }
  void setBg(int rgb);
  void clear(int color=-1) {
    if (color==-1) color=bgColor;
    fillRectangle(0,0,imgW,imgH,color);
    }
  void line(int x1, int y1, int x2, int y2, int color=-1);
  void rectangle(int x1, int y1, int x2, int y2, int color=-1);
  void fillRectangle(int x1, int y1, int x2, int y2, int color=-1);
  void fillPolygon(gdPointPtr points, int ptotal, int color=-1);
};

#endif
Revision:	2
Committed:	Mon Mar 22 22:03:27 2010 UTC (12 years, 4 months ago) by gpertea
File size:	1925 byte(s)
Log Message:	added my gclib source files
Line	File contents
1	#ifndef _GDIMG_
2	#define _GDIMG_
3	#include "GBase.h"
4	#include "gd.h"
5
6
7	class GDImg {
8	protected:
9	gdImagePtr img;
10	int imgW;
11	int imgH;
12	FILE* fout;
13	int currentColor;
14	int bgColor; //preallocated white by default
15	void setFile(const char* fname);
16	void setFile(FILE* f);
17	static int defaultBg;
18	public:
19	GDImg(int w=64, int h=64, const char* fname=NULL, int bg_rgb=defaultBg);
20	GDImg(int w,int h, int bg_rgb) {
21	GDImg(w,h, (const char*)NULL, bg_rgb);
22	}
23	~GDImg();
24	void write(const char* fname=NULL); //automatically write GIF
25	void setTransparent(int cidx); // -1 means 'no transparency'
26	void setTransparent(bool v=true) {
27	setTransparent(v ? (int) bgColor : (int)-1);
28	}
29	int color(byte r, byte g, byte b);
30	int color(int rgb) {
31	return color( (byte)(rgb>>16) & 255,
32	(byte)(rgb>>8) & 255,
33	(byte)(rgb & 255)); }
34	int colorAllocate(byte r, byte g, byte b) { return color(r,g,b); }
35	int colorAllocate(int rgb) { return color(rgb); }
36	void setColorIdx(int color) { currentColor=color; } //current color for drawing operations
37	int setColor(int r, int g, int b) {
38	currentColor=this->color(r,g,b);
39	return currentColor;
40	}
41	int setColor(int rgb) {
42	currentColor=this->color(rgb);
43	return currentColor;
44	}
45	void setPixel(int x, int y, int color=-1) {
46	if (color==-1) color=currentColor;
47	gdImageSetPixel(img, x,y,color);
48	}
49	int getPixel(int x, int y) { return gdImageGetPixel(img, x, y); }
50	void setBg(int rgb);
51	void clear(int color=-1) {
52	if (color==-1) color=bgColor;
53	fillRectangle(0,0,imgW,imgH,color);
54	}
55	void line(int x1, int y1, int x2, int y2, int color=-1);
56	void rectangle(int x1, int y1, int x2, int y2, int color=-1);
57	void fillRectangle(int x1, int y1, int x2, int y2, int color=-1);
58	void fillPolygon(gdPointPtr points, int ptotal, int color=-1);
59	};
60
61	#endif