LibWeb/CSS: Implement mix-blend-mode

This adds support for the `mix-blend-mode` CSS property.
Author: https://github.com/skyz1 Commit: 0fe30886f5 Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/3267 Reviewed-by: https://github.com/AtkinsSJ ✅ Reviewed-by: https://github.com/konradekk
2025-08-26 04:07:51 +00:00 · 2025-01-22 09:50:49 +01:00 · 2025-01-22 09:50:49 +01:00 · 0fe30886f5 · 2025-02-05 11:28:01 +00:00
commit 0fe30886f5
parent 8575bddfe6
24 changed files with 311 additions and 57 deletions
--- a/Libraries/LibWeb/Painting/StackingContext.h
+++ b/Libraries/LibWeb/Painting/StackingContext.h
@ -12,6 +12,26 @@

 namespace Web::Painting {

+#define ENUMERATE_MIX_BLEND_MODES(E) \
+    E(Normal)                        \
+    E(Multiply)                      \
+    E(Screen)                        \
+    E(Overlay)                       \
+    E(Darken)                        \
+    E(Lighten)                       \
+    E(ColorDodge)                    \
+    E(ColorBurn)                     \
+    E(HardLight)                     \
+    E(SoftLight)                     \
+    E(Difference)                    \
+    E(Exclusion)                     \
+    E(Hue)                           \
+    E(Saturation)                    \
+    E(Color)                         \
+    E(Luminosity)                    \
+    E(PlusDarker)                    \
+    E(PlusLighter)
+
 class StackingContext {
    friend class ViewportPaintable;