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Diffstat (limited to 'sdm/libs/utils/rect.cpp')
| -rw-r--r-- | sdm/libs/utils/rect.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/sdm/libs/utils/rect.cpp b/sdm/libs/utils/rect.cpp index e756464e6..5392aaa4b 100644 --- a/sdm/libs/utils/rect.cpp +++ b/sdm/libs/utils/rect.cpp @@ -198,5 +198,25 @@ void SplitTopBottom(const LayerRect &in_rect, uint32_t split_count, uint32_t ali } } +void MapRect(const LayerRect &src_domain, const LayerRect &dst_domain, const LayerRect &in_rect, + LayerRect *out_rect) { + if (!IsValid(src_domain) || !IsValid(dst_domain) || !IsValid(in_rect)) { + return; + } + + float src_domain_width = src_domain.right - src_domain.left; + float src_domain_height = src_domain.bottom - src_domain.top; + float dst_domain_width = dst_domain.right - dst_domain.left; + float dst_domain_height = dst_domain.bottom - dst_domain.top; + + float width_ratio = dst_domain_width / src_domain_width; + float height_ratio = dst_domain_height / src_domain_height; + + out_rect->left = dst_domain.left + (width_ratio * in_rect.left); + out_rect->top = dst_domain.top + (height_ratio * in_rect.top); + out_rect->right = dst_domain.left + (width_ratio * in_rect.right); + out_rect->bottom = dst_domain.top + (height_ratio * in_rect.bottom); +} + } // namespace sdm |