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Merge "webp-container-spec: align anim pseudocode w/prose" into main

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James Zern 2024-07-29 17:17:16 +00:00 committed by Gerrit Code Review
commit f28c837dc1
1 changed files with 3 additions and 1 deletions
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doc/webp-container-spec.txt
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@ -781,7 +781,8 @@ _VP8X.field_ means the field in the 'VP8X' Chunk with the same description.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
VP8X.flags.hasAnimation MUST be TRUE VP8X.flags.hasAnimation MUST be TRUE
canvas ← new image of size VP8X.canvasWidth x VP8X.canvasHeight with canvas ← new image of size VP8X.canvasWidth x VP8X.canvasHeight with
background color ANIM.background_color. background color ANIM.background_color or
application-defined color.
loop_count ← ANIM.loopCount loop_count ← ANIM.loopCount
dispose_method ← Dispose to background color dispose_method ← Dispose to background color
if loop_count == 0: if loop_count == 0:
@ -809,6 +810,7 @@ for loop = 0..loop_count - 1
bitstream subchunks not found in 'Frame Data' earlier MUST bitstream subchunks not found in 'Frame Data' earlier MUST
be TRUE be TRUE
frame_params.bitstream = bitstream_data frame_params.bitstream = bitstream_data
apply dispose_method.
render frame with frame_params.alpha and frame_params.bitstream render frame with frame_params.alpha and frame_params.bitstream
on canvas with top-left corner at (frame_params.frameX, on canvas with top-left corner at (frame_params.frameX,
frame_params.frameY), using Blending method frame_params.frameY), using Blending method