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authorPedro J. Estébanez <pedrojrulez@gmail.com>2018-11-27 20:37:02 +0100
committerPedro J. Estébanez <pedrojrulez@gmail.com>2018-11-30 18:01:00 +0100
commit6dc9a1b4753c3c1239bf24dadd6e316952465072 (patch)
tree016c3651105448945ac252ea58ecf54e96855464 /core/image.cpp
parent5b8dde4b4a5a930e08da51e07ec87f43e5bd7b36 (diff)
downloadredot-engine-6dc9a1b4753c3c1239bf24dadd6e316952465072.tar.gz
Fix blitting from negative position
Diffstat (limited to 'core/image.cpp')
-rw-r--r--core/image.cpp12
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;