Add two-color PNG test, fix initial dirty state

toitware · Nov 17, 2023 · 1dfbe7a · 1dfbe7a
1 parent 91149a2
commit 1dfbe7a
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Showing 4 changed files with 5 additions and 2 deletions.
diff --git a/src/pixel_display.toit b/src/pixel_display.toit
@@ -142,7 +142,7 @@ abstract class PixelDisplay implements Window:
     if driver_.flags & FLAG_PARTIAL_UPDATES != 0:
       dirty_bytes_per_line_ = (driver_.width >> 3) + 1
       dirty_strips := (height >> 6) + 1  // 8-tall strips of dirty bits.
-      dirty_ = ByteArray dirty_bytes_per_line_ * dirty_strips: 0xff  // Initialized to DIRTY_, which is 1.
+      dirty_ = ByteArray dirty_bytes_per_line_ * dirty_strips
 
     if transform:
       if portrait != null or inverted: throw "INVALID_ARGUMENT"
@@ -165,6 +165,9 @@ abstract class PixelDisplay implements Window:
       else:
         transform_ = (Transform.identity.translate driver_.width 0).rotate_right
 
+    if driver_.flags & FLAG_PARTIAL_UPDATES != 0:
+      all_is_dirty_
+
   abstract default_draw_color_ -> int
   abstract default_background_color_ -> int
 
@@ -338,7 +341,7 @@ abstract class PixelDisplay implements Window:
     driver_.commit 0 0 driver_.width driver_.height
 
   /**
-  Draws the texture.
+  Draws the elements and textures.
 
   After changing the display, for example by adding, removing or moving
     textures, call this to refresh the screen.  Optionally give a $speed

diff --git a/tests/gold/rounded_three_color_window_visualized.toit.png b/tests/gold/rounded_three_color_window_visualized.toit.png
diff --git a/tests/gold/simple_three_color_window_visualized.toit.png b/tests/gold/simple_three_color_window_visualized.toit.png
diff --git a/tests/gold/three_color_bitmap_2_visualized.toit.png b/tests/gold/three_color_bitmap_2_visualized.toit.png