cairodriver/read.c

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#include "cairodriver.h"

void read_image(void)
{
    G_debug(1, "read_image");

    if (!cairo || !surface)
        return;

    if (file_type == FTYPE_PPM) {
        G_debug(1, "Reading image from %s", file_name);
        read_ppm();
    }
    else if (file_type == FTYPE_BMP) {
        G_debug(1, "Reading image from %s", file_name);
        read_bmp();
    }
#if CAIRO_HAS_PNG_FUNCTIONS
    else if (file_type == FTYPE_PNG) {
        cairo_surface_t *img_surf;

        G_debug(1, "Reading image from %s", file_name);

        img_surf = cairo_image_surface_create_from_png(file_name);
        if (!img_surf)
            return;

        cairo_save(cairo);
        cairo_set_source_surface(cairo, img_surf, 0, 0);
        cairo_paint(cairo);
        cairo_restore(cairo);

        cairo_surface_destroy(img_surf);
    }
#endif
    /* vector format files are written directly to file */

    modified = 0;
}