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Fix blitting from negative position 

(cherry picked from commit 6dc9a1b475)
This commit is contained in:
Pedro J. Estébanez 2018-11-27 20:37:02 +01:00 committed by Rémi Verschelde
parent 58c87e5d26
commit fc38c87030
1 changed files with 8 additions and 4 deletions
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12
core/image.cpp
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@ -1636,7 +1636,8 @@ 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();
@ -1684,7 +1685,8 @@ 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();
@ -1735,7 +1737,8 @@ 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;
@ -1783,7 +1786,8 @@ 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;