Lines Matching refs:image
30 png_image image;
32 /* Only the image structure version number needs to be set. */
33 memset(&image, 0, sizeof image);
34 image.version = PNG_IMAGE_VERSION;
36 if (png_image_begin_read_from_file(&image, argv[1]))
43 image.format = PNG_FORMAT_RGBA;
45 buffer = malloc(PNG_IMAGE_SIZE(image));
49 if (png_image_finish_read(&image, NULL/*background*/, buffer,
52 if (png_image_write_to_file(&image, argv[2],
59 image.message);
67 image.message);
73 png_image_free(&image);
79 (unsigned long)PNG_IMAGE_SIZE(image));
84 fprintf(stderr, "pngtopng: %s: %s\n", argv[1], image.message);