diff --git a/uppsrc/Core/Color.cpp b/uppsrc/Core/Color.cpp
index 2d0fc06cd..03d17ea84 100644
--- a/uppsrc/Core/Color.cpp
+++ b/uppsrc/Core/Color.cpp
@@ -60,6 +60,12 @@ dword Color::Get() const
 	return c & 0xffffff;
 }
 
+template <>
+String AsString(const RGBA& c)
+{
+	return Format("RGBA(%d, %d, %d, %d)", (int)c.r, (int)c.g, (int)c.b, (int)c.a);
+}
+
 Color::operator RGBA() const
 {
 	RGBA color;
diff --git a/uppsrc/Core/Color.h b/uppsrc/Core/Color.h
index 0af316a92..6cd14d723 100644
--- a/uppsrc/Core/Color.h
+++ b/uppsrc/Core/Color.h
@@ -16,6 +16,9 @@ struct RGBA : Moveable<RGBA> {
 #endif
 #endif
 
+template <>
+String AsString(const RGBA& c);
+
 #ifndef PLATFORM_WIN32
 inline int        GetRValue(dword c)             { return (byte)(c >> 0); }
 inline int        GetGValue(dword c)             { return (byte)(c >> 8); }
diff --git a/uppsrc/CtrlCore/Ctrl.cpp b/uppsrc/CtrlCore/Ctrl.cpp
index 7d1b3f285..aeefef21f 100644
--- a/uppsrc/CtrlCore/Ctrl.cpp
+++ b/uppsrc/CtrlCore/Ctrl.cpp
@@ -740,7 +740,7 @@ void Ctrl::NoLayoutZoom()
 {
 	GuiLock __;
 	IsNoLayoutZoom = true;
-	Csize = Dsize = 1;
+	Csize = Dsize = Size(1, 1);
 	ReSkin();
 }
 
diff --git a/uppsrc/Draw/Image.cpp b/uppsrc/Draw/Image.cpp
index 3a31a9977..7e37e3577 100644
--- a/uppsrc/Draw/Image.cpp
+++ b/uppsrc/Draw/Image.cpp
@@ -42,7 +42,7 @@ void ImageBuffer::Create(int cx, int cy)
 	while(s < e) {
 		s->a = a;
 		a = ~a;
-		s->r = 255;
+		s->r = a ? 255 : 0;
 		s->g = s->b = 0;
 		s++;
 	}
diff --git a/uppsrc/Painter/Fillers.cpp b/uppsrc/Painter/Fillers.cpp
index 77cc22386..7c6240b3c 100644
--- a/uppsrc/Painter/Fillers.cpp
+++ b/uppsrc/Painter/Fillers.cpp
@@ -270,7 +270,7 @@ void SubpixelFiller::Write(int len)
 		RGBA c = ss ? Mul8(*s++, alpha) : invert ? InvertRGBA(*t) : color;
 		int a;
 		if(t->a != 255)
-			AlphaBlendCover8(*t, c, (q[0] + q[1] + q[2]) / 3);
+			AlphaBlend(*t, c);
 		else
 			if(c.a == 255) {
 				t->r = (c.r * q[0] >> 8) + ((257 - q[0]) * t->r >> 8);