bla

funcs/misc-plots.c

@@ -14,7 +14,7 @@
 int fimg_test_pattern(FloatImg *fimg, int type, double dval)
 {
 int		nio;
-int		x, y;
+int		x, y, k;
 float		fr, fg, fb, val;
 
 #if DEBUG_LEVEL
@@ -46,6 +46,14 @@ for (x=0; x<fimg->width; x++) {
 			fimg_plot_rgb(fimg, x, y, fr, fg, fb);
 	}
 
+k = fimg->height/4;
+for (x=0; x<fimg->width; x++) {
+	val =  ((double)x / (double)fimg->width) * dval;
+	for (y=0; y<20; y++) {
+		fimg_plot_rgb(fimg, x, k+y, val, val, val);
+		fimg_plot_rgb(fimg, x, k+y+20, 1-val, 1-val, 1-val);
+		}
+	}
 
 
 return 0;

funcs/t.c

@@ -307,6 +307,20 @@ printf("%-10s %d\n\n", fname, foo);
 return 0;
 }
 /* --------------------------------------------------------------------- */
+int essai_mire(char *outname, int notused)
+{
+FloatImg	fimg;
+int		re;
+
+fimg_create(&fimg, 1280, 960, FIMG_TYPE_RGB);
+
+re = fimg_test_pattern(&fimg, 9, 1.0);
+
+fimg_save_as_pnm(&fimg, "mire.pnm", 0);
+
+return -1;
+}
+/* --------------------------------------------------------------------- */
 int essai_rampes(void)
 {
 FloatImg	fimg;
@@ -351,7 +365,7 @@ fprintf(stderr, "save as png -> %d\n", foo);
 return 0;
 }
 /* --------------------------------------------------------------------- */
-enum nCmd { Equalize=1, Rotate, Sfx0, F3x3 };
+enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE };
 typedef struct {
 	char	*name;
 	int	Cmd;
@@ -362,6 +376,7 @@ Command commands[] = {
 	{ "rotate",	Rotate		},
 	{ "sfx0",	Sfx0		},
 	{ "f3x3",	F3x3		},
+	{ "mire",	MIRE		},
 	{ NULL,		0		}
 	} ;
 
@@ -383,7 +398,7 @@ void help(int k)
 {
 Command *pcmd;
 
-fprintf(stderr, "usage:\n\t./t command in-filename\n");
+fprintf(stderr, "usage:\n\t./t command filename\n");
 
 fprintf(stderr, "commands:\n");
 pcmd = commands;
@@ -440,6 +455,9 @@ switch(opt) {
 	case F3x3:
 		foo = essai_filtrage_3x3(filename);	break;
 
+	case MIRE:
+		foo = essai_mire(filename, 0);
+		break;
 
 	default:
 		fprintf(stderr, "%s : bad command\n", command);