- struct stat st_png;
- fstat(fd, &st_png);
- unsigned char *png_buffer = (unsigned char *)
- mmap (NULL, st_png.st_size, PROT_READ, MAP_SHARED, fd, 0);
- if( png_buffer != MAP_FAILED ) {
- if( png_buffer[0] == 0x89 && png_buffer[1] == 0x50 &&
- png_buffer[2] == 0x4e && png_buffer[3] == 0x47 ) {
- ofrm = new VFramePng(png_buffer, st_png.st_size, 1., 1.);
- if( ofrm->get_color_model() != output->get_color_model() ) {
- VFrame *vfrm = new VFrame(ofrm->get_w(), ofrm->get_h(),
- output->get_color_model());
- vfrm->transfer_from(ofrm);
- delete ofrm; ofrm = vfrm;
- }
- }
- else
- printf (_("The file %s that was generated from %s is not in PNG format."
- " Try to delete all *.png files.\n"), filename_png, config.svg_file);
- munmap(png_buffer, st_png.st_size);
- }
- else
- printf(_("Access mmap to %s as %s failed.\n"), config.svg_file, filename_png);