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gap should be gap to next frame not gap from previous frame

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Matches usage in the GIF format and makes the concept of gapless
clearer.
This commit is contained in:
Kovid Goyal
2021-02-01 17:08:59 +05:30
parent bb5c5a8e4f
commit 212906cf7d
2 changed files with 16 additions and 14 deletions
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26
kitty/graphics.c
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@@ -1031,19 +1031,21 @@ scan_active_animations(GraphicsManager *self, const monotonic_t now, monotonic_t
for (size_t i = self->image_count; i-- > 0;) {
Image *img = self->images + i;
if (img->animation_enabled && img->extra_framecnt && img->is_drawn && img->animation_duration) {
self->has_images_needing_animation = true;
Frame *next_frame = img->current_frame_index + 1 < img->extra_framecnt ? img->extra_frames + img->current_frame_index + 1 : &img->root_frame;
monotonic_t next_frame_at = img->current_frame_shown_at + ms_to_monotonic_t(next_frame->gap);
if (now >= next_frame_at) {
dirtied = true;
do {
img->current_frame_index = (img->current_frame_index + 1) % (img->extra_framecnt + 1);
} while(!current_frame(img)->gap);
update_current_frame(self, img, NULL);
next_frame = img->current_frame_index + 1 < img->extra_framecnt ? img->extra_frames + img->current_frame_index + 1 : &img->root_frame;
Frame *f = current_frame(img);
if (f) {
self->has_images_needing_animation = true;
monotonic_t next_frame_at = img->current_frame_shown_at + ms_to_monotonic_t(f->gap);
if (now >= next_frame_at) {
dirtied = true;
do {
img->current_frame_index = (img->current_frame_index + 1) % (img->extra_framecnt + 1);
} while(!current_frame(img)->gap);
update_current_frame(self, img, NULL);
f = current_frame(img);
next_frame_at = img->current_frame_shown_at + ms_to_monotonic_t(f->gap);
}
if (next_frame_at > now && next_frame_at - now < *minimum_gap) *minimum_gap = next_frame_at - now;
}
next_frame_at = img->current_frame_shown_at + ms_to_monotonic_t(next_frame->gap);
if (next_frame_at - now < *minimum_gap) *minimum_gap = next_frame_at - now;
}
}
return dirtied;