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libobs: Fix applying group transform of flipped sources

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Fixes a bug where sources that are flipped vertically and/or
horizontally would not maintain their flipped state.
This commit is contained in:
jp9000 2018-08-15 10:02:05 -07:00
parent 07813e2bd0
commit 7afe99188e
1 changed files with 4 additions and 4 deletions
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8
libobs/obs-scene.c
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@ -2321,8 +2321,8 @@ static void get_ungrouped_transform(obs_sceneitem_t *group,
vec4_set(&mat.t, 0.0f, 0.0f, 0.0f, 1.0f);
matrix4_mul(&mat, &mat, &transform);
scale->x = vec4_len(&mat.x);
scale->y = vec4_len(&mat.y);
scale->x = vec4_len(&mat.x) * (scale->x > 0.0f ? 1.0f : -1.0f);
scale->y = vec4_len(&mat.y) * (scale->y > 0.0f ? 1.0f : -1.0f);
*rot += group->rot;
}
@ -2357,8 +2357,8 @@ static void apply_group_transform(obs_sceneitem_t *item, obs_sceneitem_t *group)
vec4_set(&mat.t, 0.0f, 0.0f, 0.0f, 1.0f);
matrix4_mul(&mat, &mat, &transform);
item->scale.x = vec4_len(&mat.x);
item->scale.y = vec4_len(&mat.y);
item->scale.x = vec4_len(&mat.x) * (item->scale.x > 0.0f ? 1.0f : -1.0f);
item->scale.y = vec4_len(&mat.y) * (item->scale.y > 0.0f ? 1.0f : -1.0f);
item->rot -= group->rot;
update_item_transform(item, false);