Module png::chunk [−][src]
Expand description
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 |