first shoot

essai.c

@@ -0,0 +1,100 @@
+/*
+	testing some random funcs.
+
+*/
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <math.h>
+#include  <string.h>
+
+#include  "floatimg.h"
+
+/* --------------------------------------------------------------------- */
+int add(FloatImg *a, FloatImg *b)
+{
+int		x, y;
+int 		offset;
+double		tb;
+
+fimg_timer_set(0);
+
+for (x=0; x<a->width; x++) {
+	for (y=0; y<a->height; y++) {
+		offset = x + (y * a->width);
+		a->R[offset] += b->R[offset];
+		a->G[offset] += b->G[offset];
+		a->B[offset] += b->B[offset];
+		}
+	}
+
+tb = fimg_timer_get(0);
+fprintf(stderr, "%s = %f seconds\n", __func__, tb);
+
+return 0;
+}
+/* --------------------------------------------------------------------- */
+void fait_un_dessin(char *fname)
+{
+FloatImg	dessin;
+double		tb;
+
+puts("");
+fimg_timer_set(0);
+fimg_create(&dessin, 3200, 2400, 3);
+fimg_draw_something(&dessin);
+fimg_dump_to_file(&dessin, "dessin.fimg", 0);
+fimg_destroy(&dessin);
+tb = fimg_timer_get(0);
+fprintf(stderr, "%s = %f seconds\n", __func__, tb);
+
+puts("");
+}
+/* --------------------------------------------------------------------- */
+
+int main(int argc, char *argv[])
+{
+FloatImg	fimgA, fimgB;
+int		foo;
+double		tb;
+
+fimg_print_version(0);
+
+#define W  2000
+#define H  1700
+
+fait_un_dessin("dessin.fimg");
+
+fimg_create(&fimgA, W, H, 3);
+fimg_create(&fimgB, W, H, 3);
+
+fimg_draw_something(&fimgA);
+
+fimg_timer_set(0);
+fimg_drand48(&fimgB, 100.0);
+tb = fimg_timer_get(0);
+fprintf(stderr, "%s = %f seconds\n", __func__, tb);
+
+foo = fimg_save_as_pnm(&fimgB, "drand48.pnm", 0);
+
+/*
+fimg_printhead(&fimgA);  fimg_printhead(&fimgB);
+fimg_describe(&fimgA, "image A");
+*/
+
+add(&fimgA, &fimgB);
+
+foo = fimg_save_as_pnm(&fimgA, "t.pnm", 0);
+fprintf(stderr, "save as pnm  -> %d\n", foo);
+foo = fimg_dump_to_file(&fimgA, "t.fimg", 0);
+fprintf(stderr, "save as fimg -> %d\n", foo);
+
+fimg_destroy(&fimgA);
+fimg_destroy(&fimgB);
+
+
+return 0;
+}
+
+/* --------------------------------------------------------------------- */
+