update

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@13037 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/servers/app/newClipping/Layer.cpp

@@ -255,11 +255,11 @@ Layer::resize_layer_frame_by(float x, float y)
 	{
 		float		dx, dy;
 
-		fFrame	= newFrame;
-
 		dx	= newFrame.Width() - fFrame.Width();
 		dy	= newFrame.Height() - fFrame.Height();
 
+		fFrame	= newFrame;
+
 		if (dx != 0.0f || dy != 0.0f)
 		{
 			// call hook function
@@ -284,12 +284,32 @@ Layer::rezize_layer_redraw_more(BRegion &reg, float dx, float dy)
 	{
 		uint16		rm = lay->fResizeMode & 0x0000FFFF;
 
+		if ((rm & 0x0F0F) == (uint16)B_FOLLOW_LEFT_RIGHT || (rm & 0xF0F0) == (uint16)B_FOLLOW_TOP_BOTTOM)
+		{
+
+			BRect	oldBounds(lay->Bounds());
+			oldBounds.right -=dx;
+			oldBounds.bottom -=dy;
+			
+			BRegion	regZ(lay->Bounds());
+			regZ.Include(oldBounds);
+			regZ.Exclude(oldBounds&lay->Bounds());
+
+			lay->ConvertToScreen2(&regZ);
+
+			reg.IntersectWith(&lay->fFullVisible);
+
+			reg.Include(&regZ);
+
+			lay->rezize_layer_redraw_more(reg, dx, dy);
+// above OR this:
+//			reg.Include(&lay->fFullVisible);
+		}
+		else
 		if (((rm & 0x0F0F) == (uint16)B_FOLLOW_RIGHT && dx != 0) ||
 			((rm & 0x0F0F) == (uint16)B_FOLLOW_H_CENTER && dx != 0) ||
 			((rm & 0xF0F0) == (uint16)B_FOLLOW_BOTTOM && dy != 0)||
-			((rm & 0xF0F0) == (uint16)B_FOLLOW_V_CENTER && dy != 0) ||
+			((rm & 0xF0F0) == (uint16)B_FOLLOW_V_CENTER && dy != 0))
-		// TODO: these 2 don't need to be redrawn entirely. but ATM we don't have a choice
-			(rm & 0x0F0F) == (uint16)B_FOLLOW_LEFT_RIGHT || (rm & 0xF0F0) == (uint16)B_FOLLOW_TOP_BOTTOM)
 		{
 			reg.Include(&lay->fFullVisible);
 		}
@@ -306,17 +326,20 @@ Layer::rezize_layer_redraw_more(BRegion &redraw, BRegion &copy, float dx, float
 
 		if ((rm & 0x0F0F) == (uint16)B_FOLLOW_RIGHT && dx != 0)
 		{
-			copy.Include(&lay->fFullVisible);
+//			copy.Include(&lay->fFullVisible);
 			redraw.Include(&lay->fFullVisible);
 		}
 		else if (((rm & 0x0F0F) == (uint16)B_FOLLOW_H_CENTER && dx != 0) ||
 			((rm & 0xF0F0) == (uint16)B_FOLLOW_BOTTOM && dy != 0) ||
-			((rm & 0xF0F0) == (uint16)B_FOLLOW_V_CENTER && dy != 0) ||
+			((rm & 0xF0F0) == (uint16)B_FOLLOW_V_CENTER && dy != 0))
-		// TODO: these 2 don't need to be redrawn entirely. but ATM we don't have a choice
-			(rm & 0x0F0F) == (uint16)B_FOLLOW_LEFT_RIGHT || (rm & 0xF0F0) == (uint16)B_FOLLOW_TOP_BOTTOM)
 		{
 			redraw.Include(&lay->fFullVisible);
 		}
+		else if ((rm & 0x0F0F) == (uint16)B_FOLLOW_LEFT_RIGHT || (rm & 0xF0F0) == (uint16)B_FOLLOW_TOP_BOTTOM)
+		{
+			lay->rezize_layer_redraw_more(redraw, copy, dx, dy);
+//			redraw.Include(&lay->fFullVisible);
+		}
 	}
 }
 
@@ -339,9 +362,6 @@ Layer::ResizeBy(float dx, float dy)
 		BRegion oldFullVisible(fFullVisible);
 		BRegion oldVisible(fVisible);
 
-// OPT: you can use HW acceleration for either for bottom alligned layer or
-//		for right alligned ones. investigate!
-
 		// right, center and bottom alligned layers will change their position
 		// so we need to invalidate their current visible regions
 //		BRegion redrawRightOrBottom;

src/tests/servers/app/newClipping/main.cpp

@@ -139,8 +139,10 @@ void clsMainWindow::test1()
 	c.green = rand()/256;
 	c.blue = rand()/256;
 	Layer	*lay102 = new Layer(BRect(200,20,420,250), "lay102",
-			B_FOLLOW_NONE,
+//			B_FOLLOW_NONE,
-			B_FULL_UPDATE_ON_RESIZE, c);
+			B_FOLLOW_TOP_BOTTOM,
+//			B_FULL_UPDATE_ON_RESIZE, c);
+			0, c);
 	lay1->AddLayer(lay102);
 
 	c.red = rand()/256;