forked from tTh/FloatImg
writing TIFF, first setp
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.gitignore
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@ -29,6 +29,7 @@ funcs/*.o
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funcs/*.png
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funcs/*.gif
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funcs/*.fits
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funcs/*.tiff
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scripts/*.fimg
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scripts/*.pnm
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@ -148,6 +148,8 @@ int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags);
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int fimg_save_G_as_fits(FloatImg *src, char *outname, int flags);
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int fimg_save_B_as_fits(FloatImg *src, char *outname, int flags);
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int fimg_write_as_tiff(FloatImg *src, char *fname, int flags);
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/* mathematics operations */
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float fimg_get_maxvalue(FloatImg *head);
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@ -9,7 +9,8 @@ OBJS = fimg-png.o fimg-tiff.o misc-plots.o filtrage.o utils.o \
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#---------------------------------------------------------------
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t: t.c $(DEPS) ../libfloatimg.a
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gcc $(COPT) $< ../libfloatimg.a -lnetpbm -lpnglite -lcfitsio \
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gcc $(COPT) $< ../libfloatimg.a -lnetpbm -lpnglite -lcfitsio \
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-ltiff \
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-lz -lm -o $@
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#---------------------------------------------------------------
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@ -4,18 +4,87 @@
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <tiffio.h>
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#include "../floatimg.h"
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/* --------------------------------------------------------------------- */
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extern int verbosity;
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/* --------------------------------------------------------------------- */
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int essai_ecrire_tiff(FloatImg *src, char *fname)
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int fimg_write_as_tiff(FloatImg *src, char *fname, int flags)
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{
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TIFF *tiff;
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unsigned short *linebuff, *ptr;
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int x, y, idx, foo;
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char ligne[100];
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double maximum, fk;
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/* bon, tout cela semble bien tortueux ! */
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fprintf(stderr, "%s %s to be implemented\n", __FILE__, __func__);
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if (FIMG_TYPE_RGB != src->type) {
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fprintf(stderr, "%s: src bad type %d\n", __func__, src->type);
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return -2;
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}
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return 0;
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linebuff = calloc(src->width, 3*sizeof(unsigned short));
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if (NULL==linebuff) {
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fprintf(stderr, "%s: fatal memory error\n", __func__);
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return -7;
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}
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maximum = (double)fimg_get_maxvalue(src);
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fk = maximum / 65535.0;
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if (verbosity) {
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fprintf(stderr, "%s : maxv %f fk %f\n", __func__, maximum, fk);
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}
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tiff = TIFFOpen(fname, "w");
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printf("tiff at %p\n", tiff);
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TIFFSetField(tiff, TIFFTAG_IMAGEWIDTH, src->width);
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TIFFSetField(tiff, TIFFTAG_IMAGELENGTH, src->height);
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TIFFSetField(tiff, TIFFTAG_SAMPLESPERPIXEL, 3); // RGB
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TIFFSetField(tiff, TIFFTAG_BITSPERSAMPLE, 16); // 0->65535
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TIFFSetField(tiff, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
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TIFFSetField(tiff, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
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sprintf(ligne, "lib FloatImg %d by tTh", FIMG_VERSION);
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TIFFSetField(tiff, TIFFTAG_SOFTWARE, ligne);
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foo = src->width * 3;
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foo = TIFFDefaultStripSize(tiff, foo);
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fprintf(stderr, "default strip size %d\n", foo);
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TIFFSetField(tiff, TIFFTAG_ROWSPERSTRIP, foo);
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for (y=0; y<src->height; y++) {
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ptr = linebuff;
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idx = y * src->width;
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for (x=0; x<src->width; x++) {
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*ptr++ = (unsigned short) (src->R[idx] / fk);
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*ptr++ = (unsigned short) (src->G[idx] / fk);
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*ptr++ = (unsigned short) (src->B[idx] / fk);
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idx++;
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}
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TIFFWriteScanline(tiff, linebuff, y, 0);
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idx += src->width;
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}
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TIFFClose(tiff);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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38
funcs/t.c
38
funcs/t.c
@ -14,6 +14,26 @@ int verbosity;
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float global_fvalue;
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/* --------------------------------------------------------------------- */
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/* nouveau 19 aout 2020, le matin avant la canicule */
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int essai_ecriture_tiff(char *outname)
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{
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int foo;
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FloatImg picz;
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fimg_create(&picz, 800, 600, FIMG_TYPE_RGB);
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fimg_test_pattern(&picz, 0, 22222);
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foo = fimg_write_as_tiff(&picz, outname, 0);
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if (foo) {
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fprintf(stderr, "%s got a %d\n", __func__, foo);
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return foo;
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}
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return -7;
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}
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/* --------------------------------------------------------------------- */
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/* essai de fichiers FITS (astronomie) */
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int essai_ecriture_fits(char *outname)
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@ -25,7 +45,6 @@ fprintf(stderr, "%s is creating the picz\n", __func__);
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fimg_create(&src, 512, 512, FIMG_TYPE_RGB);
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fimg_test_pattern(&src, 0, 255.0);
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foo = fimg_save_as_pnm(&src, "foo.pnm", 0);
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foo = fimg_save_R_as_fits(&src, outname, 0);
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fprintf(stderr, "saving '%s' to fits --> %d\n", outname, foo);
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@ -362,7 +381,7 @@ fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_ecrire_png(char *fname)
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int essai_ecriture_png(char *fname)
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{
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FloatImg fimg;
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int foo;
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@ -371,9 +390,10 @@ fimg_create(&fimg, 800, 600, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
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fprintf(stderr, "save as pnm -> %d\n", foo);
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if (verbosity) {
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foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
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fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
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}
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foo = fimg_save_as_png(&fimg, fname, 0);
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fprintf(stderr, "save as png -> %d\n", foo);
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@ -381,7 +401,7 @@ fprintf(stderr, "save as png -> %d\n", foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng };
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff };
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typedef struct {
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char *name;
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int Cmd;
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@ -395,6 +415,7 @@ Command commands[] = {
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{ "mire", MIRE },
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{ "wfits", Wfits },
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{ "wpng", Wpng },
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{ "wtiff", Wtiff },
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{ NULL, 0 }
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} ;
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@ -480,7 +501,10 @@ switch(opt) {
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foo = essai_ecriture_fits(filename);
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break;
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case Wpng:
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foo = essai_ecrire_png(filename);
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foo = essai_ecriture_png(filename);
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break;
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case Wtiff:
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foo = essai_ecriture_tiff(filename);
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break;
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default:
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fprintf(stderr, "%s : bad command\n", command);
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