LibGfx: Add painting transparency grids to StylePainter

lanmonster · Sep 25, 2020 · 7ab04ea · 7ab04ea
1 parent 7d83665
commit 7ab04ea
Show file tree

Hide file tree

Showing 4 changed files with 13 additions and 0 deletions.
diff --git a/Libraries/LibGfx/ClassicStylePainter.cpp b/Libraries/LibGfx/ClassicStylePainter.cpp
@@ -380,4 +380,9 @@ void ClassicStylePainter::paint_check_box(Painter& painter, const IntRect& rect,
  }
 }
 
+void ClassicStylePainter::paint_transparency_grid(Painter& painter, const IntRect& rect, const Palette& palette)
+{
+ painter.fill_rect_with_checkerboard(rect, { 8, 8 }, palette.base().darkened(0.9), palette.base());
+}
+
 }
diff --git a/Libraries/LibGfx/ClassicStylePainter.h b/Libraries/LibGfx/ClassicStylePainter.h
@@ -43,6 +43,7 @@ class ClassicStylePainter : public BaseStylePainter {
  void paint_progress_bar(Painter&, const IntRect&, const Palette&, int min, int max, int value, const StringView& text) override;
  void paint_radio_button(Painter&, const IntRect&, const Palette&, bool is_checked, bool is_being_pressed) override;
  void paint_check_box(Painter&, const IntRect&, const Palette&, bool is_enabled, bool is_checked, bool is_being_pressed) override;
+ void paint_transparency_grid(Painter&, const IntRect&, const Palette&) override;
 };
 
 }
diff --git a/Libraries/LibGfx/StylePainter.cpp b/Libraries/LibGfx/StylePainter.cpp
@@ -78,4 +78,9 @@ void StylePainter::paint_check_box(Painter& painter, const IntRect& rect, const
  current().paint_check_box(painter, rect, palette, is_enabled, is_checked, is_being_pressed);
 }
 
+void StylePainter::paint_transparency_grid(Painter& painter, const IntRect& rect, const Palette& palette)
+{
+ current().paint_transparency_grid(painter, rect, palette);
+}
+
 }
diff --git a/Libraries/LibGfx/StylePainter.h b/Libraries/LibGfx/StylePainter.h
@@ -62,6 +62,7 @@ class BaseStylePainter {
  virtual void paint_progress_bar(Painter&, const IntRect&, const Palette&, int min, int max, int value, const StringView& text) = 0;
  virtual void paint_radio_button(Painter&, const IntRect&, const Palette&, bool is_checked, bool is_being_pressed) = 0;
  virtual void paint_check_box(Painter&, const IntRect&, const Palette&, bool is_enabled, bool is_checked, bool is_being_pressed) = 0;
+ virtual void paint_transparency_grid(Painter&, const IntRect&, const Palette&) = 0;
 
 protected:
  BaseStylePainter() { }
@@ -80,6 +81,7 @@ class StylePainter {
  static void paint_progress_bar(Painter&, const IntRect&, const Palette&, int min, int max, int value, const StringView& text);
  static void paint_radio_button(Painter&, const IntRect&, const Palette&, bool is_checked, bool is_being_pressed);
  static void paint_check_box(Painter&, const IntRect&, const Palette&, bool is_enabled, bool is_checked, bool is_being_pressed);
+ static void paint_transparency_grid(Painter&, const IntRect&, const Palette&);
 };
 
 }