patch by Lucasz Zemczak which adds BShape drawing support to BPicture. Actually we should use a ShapeIterator subclass (like Lucasz did here) in Painter too instead of having duplicating code.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@19153 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/interface/Shape.h

@@ -75,7 +75,7 @@ virtual	void			_ReservedShape3();
 virtual	void			_ReservedShape4();
 
 		friend class	BShapeIterator;
-		friend class	TPicture;
+		friend class	PicturePlayer;
 		friend class	BView;
 		friend class	BFont;
 		friend class	BPrivate::ServerLink;

src/kits/interface/PicturePlayer.cpp

@@ -14,6 +14,7 @@
 #include <PicturePlayer.h>
 #include <PictureProtocol.h>
 
+#include <Shape.h>
 
 typedef void (*fnc)(void*);
 typedef void (*fnc_BPoint)(void*, BPoint);
@@ -36,6 +37,7 @@ typedef void (*fnc_ss)(void *, int16, int16);
 typedef void (*fnc_PBRecti)(void*, BRect*, int32);
 typedef void (*fnc_DrawPixels)(void *, BRect, BRect, int32, int32, int32,
 							   int32, int32, void*);
+typedef void (*fnc_BShape)(void*, BShape*);
 
 
 PicturePlayer::PicturePlayer(void *data, int32 size, BList *pictures)
@@ -270,8 +272,49 @@ PicturePlayer::Play(void **callBackTable, int32 tableEntries, void *userData)
 				break;
 			}
 			case B_PIC_STROKE_SHAPE:
-			case B_PIC_FILL_SHAPE:
+			{
+				BRect shapeFrame = GetRect();
+				(void)shapeFrame;
+
+				int32 opCount, ptCount;
+				opCount = GetInt32();
+				ptCount = GetInt32();
+
+				uint32 *opList = new uint32[opCount];
+				BPoint *ptList = new BPoint[ptCount];
+				GetData(opList, opCount * sizeof(uint32));
+				GetData(ptList, ptCount * sizeof(BPoint));
+
+				BShape shape;
+				shape.SetData(opCount, ptCount, opList, ptList);
+
+				((fnc_BShape)callBackTable[15])(userData, &shape);
+				delete[] opList;
+				delete[] ptList;
 				break;
+			}
+			case B_PIC_FILL_SHAPE:
+			{
+				BRect shapeFrame = GetRect();
+				(void)shapeFrame;
+				
+				int32 opCount, ptCount;
+				opCount = GetInt32();
+				ptCount = GetInt32();
+
+				uint32 *opList = new uint32[opCount];
+				BPoint *ptList = new BPoint[ptCount];
+				GetData(opList, opCount * sizeof(uint32));
+				GetData(ptList, ptCount * sizeof(BPoint));
+
+				BShape shape;
+				shape.SetData(opCount, ptCount, opList, ptList);
+
+				((fnc_BShape)callBackTable[16])(userData, &shape);
+				delete[] opList;
+				delete[] ptList;
+				break;
+			}
 			case B_PIC_DRAW_STRING:
 			{
 				int32 len = GetInt32();

src/servers/app/ServerPicture.cpp

@@ -20,9 +20,111 @@
 #include <ServerProtocol.h>
 
 #include <Bitmap.h>
+#include <Shape.h>
 
 #include <stdio.h>
+#include <stack>
 
+// NOTE: Initially defined in Shape.cpp. 
+#define OP_LINETO   0x10000000
+#define OP_BEZIERTO   0x20000000
+#define OP_CLOSE    0x40000000
+#define OP_MOVETO   0x80000000
+
+
+class ShapePainter : public BShapeIterator {
+	public:
+		ShapePainter();
+		virtual ~ShapePainter();
+
+		virtual status_t IterateMoveTo(BPoint *point);
+		virtual status_t IterateLineTo(int32 lineCount, BPoint *linePts);
+		virtual status_t IterateBezierTo(int32 bezierCount, BPoint *bezierPts);
+		virtual status_t IterateClose();
+
+		void Draw(ViewLayer *view, BRect frame, bool filled);
+
+	private:
+		stack<uint32> fOpStack;
+		stack<BPoint> fPtStack;
+};
+
+ShapePainter::ShapePainter()
+	:	BShapeIterator()
+{
+}
+
+ShapePainter::~ShapePainter()
+{
+}
+
+status_t
+ShapePainter::IterateMoveTo(BPoint *point)
+{
+	fOpStack.push(OP_MOVETO);
+	fPtStack.push(*point);
+
+	return B_OK;
+}
+
+status_t
+ShapePainter::IterateLineTo(int32 lineCount, BPoint *linePts)
+{
+	fOpStack.push(OP_LINETO | lineCount);
+	for(int32 i = 0;i < lineCount;i++)
+		fPtStack.push(linePts[i]);
+	
+	return B_OK;
+}
+
+status_t
+ShapePainter::IterateBezierTo(int32 bezierCount, BPoint *bezierPts)
+{
+	bezierCount *= 3;
+	fOpStack.push(OP_BEZIERTO | bezierCount);
+	for(int32 i = 0;i < bezierCount;i++)
+		fPtStack.push(bezierPts[i]);
+
+	return B_OK;
+}
+
+status_t
+ShapePainter::IterateClose(void)
+{
+	fOpStack.push(OP_CLOSE);
+	
+	return B_OK;
+}
+
+void
+ShapePainter::Draw(ViewLayer *view, BRect frame, bool filled)
+{
+	// We're going to draw the currently iterated picture.
+	int32 opCount, ptCount;
+	opCount = fOpStack.size();
+	ptCount = fPtStack.size();
+
+	uint32 *opList;
+	BPoint *ptList;
+	if(opCount > 0 && ptCount > 0) {
+		int32 i;
+		opList = new uint32[opCount];
+		ptList = new BPoint[ptCount];
+
+		for(i = (opCount - 1);i >= 0;i--) {
+			opList[i] = fOpStack.top();
+			fOpStack.pop();
+		}
+
+		for(i = (ptCount - 1);i >= 0;i--) {
+			ptList[i] = fPtStack.top();
+			fPtStack.pop();
+		}
+
+		view->Window()->GetDrawingEngine()->DrawShape(frame, opCount, opList, ptCount, ptList,
+				view->CurrentState(), filled);
+	}
+}
 
 static void
 nop()
@@ -191,21 +293,20 @@ fill_polygon(ViewLayer *view, int32 numPoints, BPoint *points)
 static void
 stroke_shape(ViewLayer *view, BShape *shape)
 {
-	//TODO: Oh-ho... how do I access BShape private members ?
-	/*for (int32 i = 0; i < ptCount; i++)
-		fCurrentLayer->ConvertToScreenForDrawing(&ptList[i]);
+	ShapePainter drawShape;
 
-	view->Window()->GetDrawingEngine()->DrawShape(shapeFrame, opCount, opList, ptCount, ptList,
-				fCurrentLayer->CurrentState(), code == AS_FILL_SHAPE);*/
+	drawShape.Iterate(shape);
+	drawShape.Draw(view, shape->Bounds(), false);
 }
 
 
 static void
 fill_shape(ViewLayer *view, BShape *shape)
 {
-	//view->FillShape(shape);
+	ShapePainter drawShape;
 
-	printf("FillShape\n");
+	drawShape.Iterate(shape);
+	drawShape.Draw(view, shape->Bounds(), true);
 }
 
 

src/servers/app/ServerWindow.cpp

@@ -2525,6 +2525,33 @@ ServerWindow::_DispatchPictureMessage(int32 code, BPrivate::LinkReceiver &link)
 			break;		
 		}
 		
+		case AS_STROKE_SHAPE:
+		case AS_FILL_SHAPE:
+		{
+			BRect shapeFrame;
+			int32 opCount;
+			int32 ptCount;
+
+			link.Read<BRect>(&shapeFrame);
+			link.Read<int32>(&opCount);
+			link.Read<int32>(&ptCount);
+
+			uint32 *opList = new(nothrow) uint32[opCount];
+			BPoint *ptList = new(nothrow) BPoint[ptCount];
+			if (link.Read(opList, opCount * sizeof(uint32)) >= B_OK &&
+				link.Read(ptList, ptCount * sizeof(BPoint)) >= B_OK) {
+				
+				picture->BeginOp(code == AS_FILL_SHAPE ? B_PIC_FILL_SHAPE : B_PIC_STROKE_SHAPE);
+				picture->AddRect(shapeFrame);
+				picture->AddInt32(opCount);
+				picture->AddInt32(ptCount);
+				picture->AddData(opList, opCount * sizeof(uint32));
+				picture->AddData(ptList, ptCount * sizeof(BPoint));
+				picture->EndOp();
+			}
+			break;
+		}
+
 		case AS_LAYER_DRAW_BITMAP:
 		{
 			int32 token;