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| author | Rémi Verschelde <rverschelde@gmail.com> | 2018-12-06 12:30:42 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-12-06 12:30:42 +0100 |
| commit | ceb46e194cf763da304bc2486722b475efa7044f (patch) | |
| tree | b0b53cc6fcfe32a4dad275ac7ba1c618965bbf47 | |
| parent | 1691e2e5e4d5da8108e715f7a695a3b973829ec1 (diff) | |
| parent | 6dc9a1b4753c3c1239bf24dadd6e316952465072 (diff) | |
Merge pull request #24090 from RandomShaper/fix-blit-from-negative
Fix blitting from negative position
| -rw-r--r-- | core/image.cpp | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/core/image.cpp b/core/image.cpp index 698a0b0b98..dca8aedb8f 100644 --- a/core/image.cpp +++ b/core/image.cpp @@ -1931,7 +1931,8 @@ void Image::blit_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const Po if (clipped_src_rect.size.x <= 0 || clipped_src_rect.size.y <= 0) return; - Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest, clipped_src_rect.size)); + Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); + Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); PoolVector<uint8_t>::Write wp = data.write(); uint8_t *dst_data_ptr = wp.ptr(); @@ -1985,7 +1986,8 @@ void Image::blit_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, co if (clipped_src_rect.size.x <= 0 || clipped_src_rect.size.y <= 0) return; - Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest, clipped_src_rect.size)); + Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); + Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); PoolVector<uint8_t>::Write wp = data.write(); uint8_t *dst_data_ptr = wp.ptr(); @@ -2042,7 +2044,8 @@ void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const P if (clipped_src_rect.size.x <= 0 || clipped_src_rect.size.y <= 0) return; - Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest, clipped_src_rect.size)); + Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); + Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); lock(); Ref<Image> img = p_src; @@ -2096,7 +2099,8 @@ void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, c if (clipped_src_rect.size.x <= 0 || clipped_src_rect.size.y <= 0) return; - Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest, clipped_src_rect.size)); + Point2 src_underscan = Point2(MIN(0, p_src_rect.position.x), MIN(0, p_src_rect.position.y)); + Rect2i dest_rect = Rect2i(0, 0, width, height).clip(Rect2i(p_dest - src_underscan, clipped_src_rect.size)); lock(); Ref<Image> img = p_src; |