diff options
| author | Rémi Verschelde <rverschelde@gmail.com> | 2020-06-07 15:52:22 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-06-07 15:52:22 +0200 |
| commit | ec1bf96e412b7a207ffb55d6acd56b25eb25845f (patch) | |
| tree | 5dcda7ed939d56317080c108a639adf73cfe3f0f | |
| parent | 46d8d6018685c018753c5ce5638eebf303bc5544 (diff) | |
| parent | b211a86ebe241599f95186f9db28be2061a19962 (diff) | |
Merge pull request #39200 from azagaya/fix-blend-2
Fixing wrong blending rect methods
| -rw-r--r-- | core/image.cpp | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/core/image.cpp b/core/image.cpp index 4ab71128cd..0f15574053 100644 --- a/core/image.cpp +++ b/core/image.cpp @@ -2539,12 +2539,11 @@ void Image::blend_rect(const Ref<Image> &p_src, const Rect2 &p_src_rect, const P int dst_y = dest_rect.position.y + i; Color sc = img->get_pixel(src_x, src_y); - Color dc = get_pixel(dst_x, dst_y); - dc.r = (double)(sc.a * sc.r + dc.a * (1.0 - sc.a) * dc.r); - dc.g = (double)(sc.a * sc.g + dc.a * (1.0 - sc.a) * dc.g); - dc.b = (double)(sc.a * sc.b + dc.a * (1.0 - sc.a) * dc.b); - dc.a = (double)(sc.a + dc.a * (1.0 - sc.a)); - set_pixel(dst_x, dst_y, dc); + if (sc.a != 0) { + Color dc = get_pixel(dst_x, dst_y); + dc = dc.blend(sc); + set_pixel(dst_x, dst_y, dc); + } } } } @@ -2594,12 +2593,11 @@ void Image::blend_rect_mask(const Ref<Image> &p_src, const Ref<Image> &p_mask, c int dst_y = dest_rect.position.y + i; Color sc = img->get_pixel(src_x, src_y); - Color dc = get_pixel(dst_x, dst_y); - dc.r = (double)(sc.a * sc.r + dc.a * (1.0 - sc.a) * dc.r); - dc.g = (double)(sc.a * sc.g + dc.a * (1.0 - sc.a) * dc.g); - dc.b = (double)(sc.a * sc.b + dc.a * (1.0 - sc.a) * dc.b); - dc.a = (double)(sc.a + dc.a * (1.0 - sc.a)); - set_pixel(dst_x, dst_y, dc); + if (sc.a != 0) { + Color dc = get_pixel(dst_x, dst_y); + dc = dc.blend(sc); + set_pixel(dst_x, dst_y, dc); + } } } } |