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 |