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APNG Specification: Difference between revisions
Remove oFFs line as per pnglist discussion
Herbyderby (talk | contribs) (Clarify that frame timings are independent of decoding time) |
Herbyderby (talk | contribs) (Remove oFFs line as per pnglist discussion) |
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Each frame inherits every property specified by any critical or ancillary chunks before the first `IDAT` in the file, except the width and height, which come from the `fcTL` chunk. | Each frame inherits every property specified by any critical or ancillary chunks before the first `IDAT` in the file, except the width and height, which come from the `fcTL` chunk. | ||
If the PNG `pHYs` chunk is present, the APNG images and their `x_offset` and `y_offset` values must be scaled in the same way as the main image. Conceptually, such scaling occurs while mapping the output buffer onto the canvas. | If the PNG `pHYs` chunk is present, the APNG images and their `x_offset` and `y_offset` values must be scaled in the same way as the main image. Conceptually, such scaling occurs while mapping the output buffer onto the canvas. | ||