decode.py

@@ -26,9 +26,6 @@ from PIL import Image
 
 import sys
 
-if not len(sys.argv) in [2, 3]:
-    print(f"Usage: {sys.argv[0]} <input.rif> [output.png]")
-
 # RGB, RGBA
 frm_sizes = [3, 4]
 frm_names = ["RGB", "RGBA"]
@@ -44,7 +41,4 @@ height = (len(data)//frm_size)//width
 
 print(width, height)
 img = Image.frombuffer(frm_names[formt], (width, height), data, "raw", frm_names[formt], 0, 1)
-if len(sys.argv) == 2:
+img.save('.'.join(sys.argv[1].split(".")[:1])+".png")
-    img.save('.'.join(sys.argv[1].split(".")[:1])+".png")
-elif len(sys.argv) == 3:
-    img.save(sys.argv[2])

rif.h

@@ -1,30 +0,0 @@
-typedef struct rif {
-  // "lifV0001"
-  // "rifV0001"
-  char     magic_num[8]; // Big Endian. UTF-8 Encoded. 6C 69 66 56 30 30 30 31
-  uint64_t width;        // Big Endian
-  uint8_t  format;
-  uint8_t  data[];
-} rif_t;
-
-#define RIF_MAGIC_LITTLE {'l', 'i', 'f', 'V', '0', '0', '0', '1'}
-#define RIF_MAGIC_BIG    {'r', 'i', 'f', 'V', '0', '0', '0', '1'}
-
-#define RIF_FORMAT_R8G8B8   0
-#define RIF_FORMAT_R8G8B8A8 1
-
-// TODO detect endianess - this breaks on big endian systems.
-void write_rif_little(char* path, uint32_t width, uint32_t size, uint8_t format, void* data) {
-  // TODO is this better than just hardcoding 17?
-  const uint32_t header_size = sizeof(rif_t) - sizeof(uint8_t*);
-  const uint64_t img_size = header_size + size;
-  rif_t* img = malloc(img_size);
-  char magic[] = RIF_MAGIC_LITTLE;
-  memcpy(&img->magic_num, magic, 8);
-  img->width = width;
-  img->format = format;
-  memcpy(&img->data, data, size);
-  FILE* output_file = fopen(path, "w");
-  fwrite(img, 1, img_size, output_file);
-  free(img);
-}