dicom boilerplate: [done]

floatimg.h

@@ -4,7 +4,7 @@
  *	http://la.buvette.org/photos/cumul
  */
 
-#define		FIMG_VERSION	161
+#define		FIMG_VERSION	163
 
 /*
  *	in memory descriptor
@@ -53,6 +53,7 @@ typedef struct {
 #define FILE_TYPE_FITS			6
 #define FILE_TYPE_BMP			7
 #define FILE_TYPE_EXR			8
+#define FILE_TYPE_DICOM			9
 
 /*	lib/contrast.c			*/
 #define CONTRAST_NONE			0
@@ -142,6 +143,9 @@ int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k);
 int fimg_decomp_rgbz_color(FloatImg *psrc, FloatImg *pdst, int k);
 int fimg_decomp_rgbz_gray(FloatImg *psrc, FloatImg *pdst, int k);
 
+int fimg_save_plane_as_dicom(FloatImg *src, char *outname,
+						char plane, int flags);
+
 /* universal exporter XXX */
 int fimg_export_picture(FloatImg *pic, char *fname, int flags);
 
@@ -242,6 +246,8 @@ int   fimg_multirandom(FloatImg *fimg, long nbpass);
 
 /*	file is 'funcs/utils.c'		*/
 void fimg_print_minmax(float minmax[6], char *titre);
+float *charplane2int(char plane, FloatImg *img);
+
 int parse_WxH(char *str, int *pw, int *ph);
 int parse_double(char *str, double *dptr);
 int irand2(int offset, int modulo);

funcs/Makefile

@@ -11,6 +11,7 @@ OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o	\
 	sfx0.o sfx1.o sfx2.o sfx3.o sfx4.o			\
 	geometry.o rotate.o fimg-openexr.o			\
 	equalize.o fimg-fits.o saturation.o histogram.o		\
+	fimg-dicom.o						\
 	hsv.o classif.o contour2x2.o qsortrgb.o exporter.o	\
 	displacement.o dithering.o plasmas.o incrustator.o	\
 	killrgb.o recurse.o pixelize.o decomprgb.o
@@ -70,6 +71,9 @@ fimg-tiff.o:		fimg-tiff.c $(DEPS)
 fimg-openexr.o:		fimg-openexr.c $(DEPS)
 	gcc $(COPT) -c $<
 
+fimg-dicom.o:		fimg-dicom.c $(DEPS)
+	gcc $(COPT) -c $<
+
 fimg-fits.o:		fimg-fits.c $(DEPS)
 	gcc $(COPT) -I/usr/include/cfitsio/ -c $<
 

funcs/fimg-dicom.c

@@ -0,0 +1,32 @@
+/*
+      Digital Imaging and Communications in Medicine
+
+ nouveau Fri 26 Nov 2021 11:12:44 PM CET - allée de Dinan
+
+ */
+
+#include  <stdio.h>
+#include  <stdint.h>
+
+#include  "../floatimg.h"
+
+extern int verbosity;		/* must be declared around main() */
+
+/* --------------------------------------------------------------------- */
+int fimg_save_plane_as_dicom(FloatImg *src, char *outname,
+						char plane, int flags)
+{
+int		foo;
+float		*planeptr;
+
+fprintf(stderr, ">>> %s ( %p %s %c %d )\n", __func__, src, outname, plane, flags);
+
+planeptr = charplane2int(plane, src);
+
+if (verbosity) {
+	fimg_describe(src, outname);
+	}
+
+return -1;
+}
+/* --------------------------------------------------------------------- */

funcs/t.c

@@ -25,7 +25,7 @@ enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff,
 			Displace, ReadPNG, Plasmas, Hilight, OpenEXR,
 			Geometrie, FileType, Mirror, KillRGB,
 			Pixelize,SplitLevel, DecompRgbz, DecompRgbg,
-			Rectangle  };
+			Rectangle, Dicom  };
 typedef struct {
 	char	*name;
 	int	Cmd;
@@ -59,6 +59,7 @@ Command commands[] = {
 	{ "decomprgbz",	DecompRgbz	},
 	{ "decomprgbg",	DecompRgbg	},
 	{ "rectangle",  Rectangle	},
+	{ "dicom",      Dicom		},
 	{ NULL,		0		}
 	} ;
 
@@ -242,6 +243,9 @@ switch(opt) {
 	case Rectangle:
 		essai_rectangle(outfile, 0);
 		break;
+	case Dicom:
+		foo = essai_dicom(filename, outfile, 0);
+		break;
 
 	default:
 		fprintf(stderr, "'%s' is a bad command\n", command);

funcs/tests.c

@@ -17,6 +17,23 @@
 
 extern int		verbosity;
 
+/* --------------------------------------------------------------------- */
+/* --------------------------------------------------------------------- */
+int essai_dicom(char *inf, char *outf, int k)
+{
+int		foo;
+FloatImg	img;
+
+fprintf(stderr, ">>> %s ( %s %s %d )\n", __func__, inf, outf, k);
+
+foo = fimg_create(&img, 320, 240, FIMG_TYPE_RGB);
+fimg_drand48(&img, 1.0);
+
+foo = fimg_save_plane_as_dicom(&img, outf, 'R', 0);
+fprintf(stderr, "dicom: save a plane --> %d\n", foo);
+
+return -1;
+}
 /* --------------------------------------------------------------------- */
 int essai_rectangle(char *outf, int k)
 {

funcs/tests.h

@@ -37,3 +37,5 @@ int essai_openexr(char *inf, char *outf, int flags);
 int essai_pixelize(char *infile, char *outfile);
 
 int essai_rectangle(char *outf, int k);
+
+int essai_dicom(char *inf, char *outf, int k);

funcs/utils.c

@@ -21,6 +21,30 @@ fprintf(stderr, "green\t\t%10f   %10f\n", minmax[2], minmax[3]);
 fprintf(stderr, "blue\t\t%10f   %10f\n",  minmax[4], minmax[5]);
 }
 /* --------------------------------------------------------------------- */
+/* used in fimg-fits & fimg-dicom */
+float *charplane2int(char plane, FloatImg *img)
+{
+float		*pplane = NULL;
+
+fprintf(stderr, "get plane for '%c' in %p ", plane, img);
+
+switch (plane) {
+	case 'r':	case 'R':
+		pplane = img->R;		break;
+	case 'g':	case 'G':
+		pplane = img->G;		break;
+	case 'b':	case 'B':
+		pplane = img->B;		break;
+
+	default:
+		pplane = NULL;
+	}
+
+fprintf(stderr, "give me %p\n", pplane);
+
+return pplane;
+}
+/* --------------------------------------------------------------------- */
 int parse_WxH(char *str, int *pw, int *ph)
 {
 // char			*ptr;
@@ -75,6 +99,7 @@ if (!strcasecmp(name, "tiff"))	return FILE_TYPE_TIFF;
 if (!strcasecmp(name, "tif" ))		return FILE_TYPE_TIFF;
 if (!strcasecmp(name, "fits"))		return FILE_TYPE_FITS;
 if (!strcasecmp(name, "exr"))		return FILE_TYPE_EXR;
+if (!strcasecmp(name, "dicom"))		return FILE_TYPE_EXR;
 
 return -1;
 }