killrgb: nice try, but...

Fonderie/t.c

@@ -170,7 +170,8 @@ fprintf(stderr, "EXPERIMENT\n");
 
 foo = fimg_create_from_dump("01137.fimg", &image);
 if (foo) {
-	fprintf(stderr, "%s: err %d on create\n", __func__, foo);
+	fprintf(stderr, "%s: err %d on create_from_dump\n",
+			__func__, foo);
 	return -1;
 	}
 

floatimg.h

@@ -4,7 +4,7 @@
  *	http://la.buvette.org/photos/cumul
  */
 
-#define		FIMG_VERSION	153
+#define		FIMG_VERSION	154
 
 /*
  *	in memory descriptor
@@ -133,6 +133,7 @@ int fimg_sfx_triplemul(FloatImg *s, FloatImg *d, int notused);
 /*	#coronamaison			*/
 int fimg_rotate_90(FloatImg *src, FloatImg *dst, int notused);
 
+int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k);
 
 /* universal exporter XXX */
 int fimg_export_picture(FloatImg *pic, char *fname, int flags);

funcs/Makefile

@@ -13,7 +13,7 @@ OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o	\
 	equalize.o fimg-fits.o saturation.o histogram.o		\
 	hsv.o classif.o contour2x2.o qsortrgb.o exporter.o	\
 	displacement.o dithering.o plasmas.o incrustator.o	\
-	recurse.o
+	killrgb.o recurse.o
 
 #---------------------------------------------------------------
 

funcs/killrgb.c

@@ -0,0 +1,42 @@
+/*
+ *		KILL RGB !
+ *
+ *	nouveau TerreBlanque 4 octobre 2021
+ */
+
+#include  <stdio.h>
+#include  <stdlib.h>
+#include  <stdint.h>
+#include  <math.h>
+
+#include  "../floatimg.h"
+#include  "tests.h"
+
+/* --------------------------------------------------------------------- */
+
+int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k)
+{
+int		foo, line, col;
+int		ir, ig, ib;
+
+fprintf(stderr, ">>> %s ( %p  %p  %d )\n", __func__,
+				src, dst, k);
+
+fimg_clear(dst);
+
+ir = ig = ib = 0;
+
+for (line=0; line<src->height; line++) {
+	for (col=0; col<src->width; col+=3) {
+
+		dst->R[ir  ] = src->R[ir];	ir++; 
+		dst->G[ir+1] = src->G[ir];	ir++; 
+		dst->B[ir+2] = src->B[ir];	ir++; 
+
+		}
+	}
+
+return 0;
+}
+
+/* --------------------------------------------------------------------- */

funcs/t.c

@@ -23,7 +23,7 @@ float		global_fvalue;
 enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff,
 			Histo, Hsv, Classif, Ctr2x2, Qsortrgb,
 			Displace, ReadPNG, Plasmas, Hilight, OpenEXR,
-			Geometrie, FileType, Mirror  };
+			Geometrie, FileType, Mirror, KillRGB  };
 typedef struct {
 	char	*name;
 	int	Cmd;
@@ -51,6 +51,7 @@ Command commands[] = {
 	{ "geometrie",	Geometrie,	},
 	{ "filetype",	FileType	},
 	{ "mirror",	Mirror		},
+	{ "killrgb",	KillRGB		},
 	{ NULL,		0		}
 	} ;
 
@@ -216,6 +217,9 @@ switch(opt) {
 	case Mirror:
 		foo = essai_miroir(filename, outfile, 0);
 		break;
+	case KillRGB:
+		foo = essai_killrgb(filename, outfile);
+		break;
 	default:
 		fprintf(stderr, "'%s' is a bad command\n", command);
 		exit(1);

funcs/tests.c

@@ -17,6 +17,37 @@
 
 extern int		verbosity;
 
+/* --------------------------------------------------------------------- */
+int essai_killrgb(char *inf, char *outf)
+{
+int		foo;
+FloatImg	src, dst;
+
+fprintf(stderr, ">>> %s ( %s %s )\n", __func__, inf, outf);
+
+foo = fimg_create_from_dump(inf, &src);
+if (0 != foo) {
+	fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
+				foo, 		inf);
+	return foo;
+	}
+fimg_clone(&src, &dst, 1);
+
+foo = fimg_killrgb_v(&src, &dst, 0);
+if (foo) {
+	fprintf(stderr, "%s:%s(): fail %d line %d\n",
+			__FILE__, __func__, foo, __LINE__);
+	return foo;
+	}
+
+foo = fimg_export_picture(&dst, outf, 0);
+if (foo) {
+	fprintf(stderr, "%s : err %d saving result\n", __func__, foo);
+	return foo;
+	}
+
+return 0;
+}
 /* --------------------------------------------------------------------- */
 
 int fimg_recursion_proto(FloatImg *src, FloatImg *dst, int notused);

funcs/tests.h

@@ -5,6 +5,7 @@
 
 int essai_plasma(char *infile, char *outfile, int ikoef, float fkoef);
 int essai_miroir(char *inf, char *outf, int flags);
+int essai_killrgb(char *inf, char *outf);
 
 int essai_displacement(char *infile, char *outfile);
 int essai_qsort_rgb(char *infile, char *outfile);