#include <X11/Xlib.h>#include <stdlib.h>#include <X11/Xutil.h>#include <X11/Xmu/StdCmap.h>Include dependency graph for Distinct.c:
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Defines | |
| #define | MIN_DISTINGUISH 10000.0 |
Functions | |
| Bool | XmuDistinguishableColors (XColor *colors, int count) |
| Bool | XmuDistinguishablePixels (Display *dpy, Colormap cmap, unsigned long *pixels, int count) |
| #define MIN_DISTINGUISH 10000.0 |
| Bool XmuDistinguishableColors | ( | XColor * | colors, | |
| int | count | |||
| ) |
Definition at line 47 of file Distinct.c.
References i, j, and MIN_DISTINGUISH.
Referenced by XmuDistinguishablePixels().
00048 { 00049 double deltaRed, deltaGreen, deltaBlue; 00050 double dist; 00051 int i, j; 00052 00053 for (i = 0; i < count - 1; i++) 00054 for (j = i + 1; j < count; j++) 00055 { 00056 deltaRed = (double)colors[i].red - (double)colors[j].red; 00057 deltaGreen = (double)colors[i].green - (double)colors[j].green; 00058 deltaBlue = (double)colors[i].blue - (double)colors[j].blue; 00059 dist = deltaRed * deltaRed + 00060 deltaGreen * deltaGreen + 00061 deltaBlue * deltaBlue; 00062 if (dist <= MIN_DISTINGUISH * MIN_DISTINGUISH) 00063 return False; 00064 } 00065 return True; 00066 }
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Definition at line 69 of file Distinct.c.
References free(), i, j, malloc(), and XmuDistinguishableColors().
00071 { 00072 XColor *defs; 00073 int i, j; 00074 Bool ret; 00075 00076 for (i = 0; i < count - 1; i++) 00077 for (j = i + 1; j < count; j++) 00078 if (pixels[i] == pixels[j]) 00079 return False; 00080 defs = (XColor *) malloc (count * sizeof (XColor)); 00081 if (!defs) 00082 return False; 00083 for (i = 0; i < count; i++) 00084 defs[i].pixel = pixels[i]; 00085 XQueryColors (dpy, cmap, defs, count); 00086 ret = XmuDistinguishableColors (defs, count); 00087 free ((char *) defs); 00088 return ret; 00089 }
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1.5.1