104    png_imagep image, const png_uint_16 *buffer)  in sprite_op()  argument
133             const png_uint_16 *in_pixel = buffer + (y * image->width + x)*4;  in sprite_op()
181          while (++x < image->width);  in sprite_op()
183       while (++y < image->height);  in sprite_op()
212          png_image image;  in create_sprite()  local
214          image.version = PNG_IMAGE_VERSION;  in create_sprite()
215          image.opaque = NULL;  in create_sprite()
217          if (png_image_begin_read_from_file(&image, (*argv)[0]))  in create_sprite()
221             image.format = PNG_FORMAT_LINEAR_RGB_ALPHA;  in create_sprite()
223             buffer = malloc(PNG_IMAGE_SIZE(image));  in create_sprite()
227                if (png_image_finish_read(&image, NULL/*background*/, buffer,  in create_sprite()
237                   sprite_op(sprite, x, y, &image, buffer);  in create_sprite()
248                       image.message);  in create_sprite()
255                   (unsigned long)PNG_IMAGE_SIZE(image));  in create_sprite()
261                png_image_free(&image);  in create_sprite()
268             fprintf(stderr, "simpleover: %s: %s\n", (*argv)[0], image.message);  in create_sprite()
537       png_image image;  in main()  local
545       image.version = PNG_IMAGE_VERSION;  in main()
546       image.opaque = NULL;  in main()
548       if (png_image_begin_read_from_file(&image, argv[1]))  in main()
552          image.format = PNG_FORMAT_RGB; /* 24-bit RGB */  in main()
554          buffer = malloc(PNG_IMAGE_SIZE(image));  in main()
560             if (png_image_finish_read(&image, &background, buffer,  in main()
569                if (simpleover_process(&image, buffer, argc-argi, argv+argi))  in main()
573                        png_image_write_to_file(&image, output,  in main()
577                        png_image_write_to_stdio(&image, stdout,  in main()
584                         output == NULL ? "stdout" : output, image.message);  in main()
592                    image.message);  in main()
600                (unsigned long)PNG_IMAGE_SIZE(image));  in main()
606             png_image_free(&image);  in main()
613          fprintf(stderr, "simpleover: %s: %s\n", argv[1], image.message);  in main()