pngdriver/write.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <grass/config.h>
#include <grass/gis.h>
#include "pngdriver.h"

void write_image(void)
{
    char *p = file_name + strlen(file_name) - 4;

    if (!modified)
        return;

    if (mapped)
        return;

    if (G_strcasecmp(p, ".ppm") == 0) {
        write_ppm();
        if (has_alpha)
            write_pgm();
    }
    else if (G_strcasecmp(p, ".bmp") == 0)
        write_bmp();
#ifdef HAVE_PNG_H
    else if (G_strcasecmp(p, ".png") == 0)
        write_png();
#endif
    else
        G_fatal_error("write_image: unknown file type: %s", p);

    modified = 0;
}