git_clone/thorvg
1
0
Fork 0
mirror of https://github.com/thorvg/thorvg.git synced 2025-06-10 06:34:01 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 5

lottie: fix interpolation issue

Browse source 
Handled the case of different numbers
of points in consecutive frames. This
case can occur due to erroneous data
or as a consequence of changing the path
from closed to open and vice versa.

@Issue: https://github.com/thorvg/thorvg/issues/2287
This commit is contained in:
Mira Grudzinska 2024-05-24 23:35:13 +02:00 • committed by Hermet Park
parent 03e7c70524
commit 3a8ef78a36
1 changed files with 4 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
src/loaders/lottie/tvgLottieProperty.h
View file

@ -544,7 +544,10 @@ struct LottiePathSet : LottieProperty
else {
frame = frames->data + _bsearch(frames, frameNo);
if (mathEqual(frame->no, frameNo)) path = &frame->value;
else {
else if (frame->value.ptsCnt != (frame + 1)->value.ptsCnt) {
path = &frame->value;
TVGLOG("LOTTIE", "Different numbers of points in consecutive frames - interpolation omitted.");
} else {
t = (frameNo - frame->no) / ((frame + 1)->no - frame->no);
if (frame->interpolator) t = frame->interpolator->progress(t);
if (frame->hold) path = &(frame + ((t < 1.0f) ? 0 : 1))->value;