Merge branch 'master' into inactiveSelection

src/browser/renderer/dom/DomRendererRowFactory.ts

@@ -250,6 +250,13 @@ export class DomRendererRowFactory {
           }
       }
 
+      // If there is no background override by now it's the original color, so apply dim if needed
+      if (!bgOverride) {
+        if (cell.isDim()) {
+          bgOverride = color.multiplyOpacity(resolvedBg, 0.5);
+        }
+      }
+
       // Foreground
       switch (fgColorMode) {
         case Attributes.CM_P16:

src/common/Color.ts

@@ -84,6 +84,11 @@ export namespace color {
     };
   }
 
+  export function multiplyOpacity(color: IColor, factor: number): IColor {
+    const a = color.rgba & 0xFF;
+    return opacity(color, (a * factor) / 0xFF);
+  }
+
   export function toColorRGB(color: IColor): IColorRGB {
     return [(color.rgba >> 24) & 0xFF, (color.rgba >> 16) & 0xFF, (color.rgba >> 8) & 0xFF];
   }