Module png::chunk [−][src]
Chunk types and functions
Constants
IDAT | Image data |
IEND | Image trailer |
IHDR | Image header |
PLTE | Palette |
acTL | Animation control |
bKGD | Background colour |
fcTL | Frame control |
fdAT | Frame data |
pHYs | Physical pixel dimensions |
tIME | Image last-modification time |
tRNS | Transparency |
Functions
is_critical | Returns true if the chunk is critical. |
is_private | Returns true if the chunk is private. |
reserved_set | Checks whether the reserved bit of the chunk name is set. If it is set the chunk name is invalid. |
safe_to_copy | Returns true if the chunk is safe to copy if unknown. |
Type Definitions
ChunkType |