Display Filter Reference: Portable Network Graphics
Protocol field name: png
Versions: 1.0.0 to 4.4.1
Back to Display Filter Reference
| Field name | Description | Type | Versions |
|---|---|---|---|
| png | Blue | Unsigned integer (16 bits) | 1.0.0 to 4.4.1 |
| png | Green | Unsigned integer (16 bits) | 1.0.0 to 4.4.1 |
| png | Greyscale | Unsigned integer (16 bits) | 1.0.0 to 4.4.1 |
| png | Palette Index | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Red | Unsigned integer (16 bits) | 1.0.0 to 4.4.1 |
| png | Blue X | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Blue Y | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Green X | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Green Y | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Red X | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Red Y | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | White X | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | White Y | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | CRC | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | Data | Label | 1.0.0 to 4.4.1 |
| png | Ancillary | Boolean | 1.0.0 to 4.4.1 |
| png | Private | Boolean | 1.0.0 to 4.4.1 |
| png | Safe To Copy | Boolean | 1.0.0 to 4.4.1 |
| png | Len | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | Type | Character string | 1.0.0 to 4.4.1 |
| png | chunk size too large, dissection of this chunk is not supported | Label | 1.12.0 to 4.4.1 |
| png | Gamma | Floating point (single-precision) | 1.12.0 to 4.4.1 |
| png | Bit Depth | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Colour Type | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Compression Method | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Filter Method | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Height | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | Interlace Method | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Width | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | Horizontal pixels per unit | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | Unit | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Vertical pixels per unit | Unsigned integer (32 bits) | 1.0.0 to 4.4.1 |
| png | PNG Signature | Byte sequence | 1.0.0 to 4.4.1 |
| png | Intent | Unsigned integer (8 bits) | 1.12.0 to 4.4.1 |
| png | Keyword | Character string | 1.0.0 to 4.4.1 |
| png | String | Character string | 1.0.0 to 4.4.1 |
| png | Day | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Hour | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Minute | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Month | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Second | Unsigned integer (8 bits) | 1.0.0 to 4.4.1 |
| png | Year | Unsigned integer (16 bits) | 1.0.0 to 4.4.1 |