added a menu to change the drawing mode

bounding boxes are now drawn alternatively red and green to differenciate between characters


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20751 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/apps/fontdemo/ControlView.cpp

@@ -40,6 +40,7 @@ ControlView::ControlView(BRect rect)
 	fBoundingboxesCheckBox(NULL),
 	fCyclingFontButton(NULL),
 	fFontFamilyMenu(NULL),
+	fDrawingModeMenu(NULL),
 	fCycleFonts(false),
 	fFontStyleindex(0)
 {
@@ -111,6 +112,51 @@ ControlView::AttachedToWindow()
 		new BMessage(ALIASING_MSG));
 	fAliasingCheckBox->SetValue(B_CONTROL_ON);
 	AddChild(fAliasingCheckBox);
+	
+	rect.OffsetBy(0.0, offsetX);
+	fDrawingModeMenu = new BMenu("drawingmodemenu");
+	
+	BMessage* drawingMsg = NULL;
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_COPY);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_COPY", drawingMsg));
+	fDrawingModeMenu->ItemAt(0)->SetMarked(true);
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_OVER);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_OVER", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_ERASE);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_ERASE", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_INVERT);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_INVERT", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_ADD);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_ADD", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_SUBTRACT);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_SUBTRACT", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_BLEND);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_BLEND", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_MIN);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_MIN", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_MAX);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_MAX", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_SELECT);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_SELECT", drawingMsg));
+	drawingMsg = new BMessage(DRAWINGMODE_CHANGED_MSG);
+	drawingMsg->AddInt32("_mode", B_OP_ALPHA);
+	fDrawingModeMenu->AddItem(new BMenuItem("B_OP_ALPHA", drawingMsg));
+	
+	fDrawingModeMenu->SetLabelFromMarked(true);
+	
+	BMenuField *drawingModeMenuField = new BMenuField(rect, "FontMenuField", "Drawing mode:", fDrawingModeMenu, true);
+	drawingModeMenuField->SetDivider(5+StringWidth("Drawing mode:"));
+	AddChild(drawingModeMenuField);
 
 	rect.OffsetBy(0.0, 22);
 	fBoundingboxesCheckBox = new BCheckBox(rect, "BoundingBoxes", "Bounding boxes",
@@ -327,7 +373,8 @@ void
 ControlView::SetTarget(BHandler* handler)
 {
 	delete fMessenger;
-	fMessenger = new BMessenger(handler); 	
+	fMessenger = new BMessenger(handler);
+	fDrawingModeMenu->SetTargetForItems(handler);
 }
 
 

src/apps/fontdemo/ControlView.h

@@ -55,6 +55,7 @@ class ControlView : public BView {
 		BCheckBox*		fBoundingboxesCheckBox;
 		BButton*		fCyclingFontButton;
 		BMenu*			fFontFamilyMenu;
+		BMenu*			fDrawingModeMenu;
 		bool 			fCycleFonts;	
 		int32 			fFontStyleindex;
 };

src/apps/fontdemo/FontDemo.cpp

@@ -17,6 +17,24 @@
 FontDemo::FontDemo()
 	: BApplication("application/x-vnd.Haiku-FontDemo")
 {
+	// Create the demo window where we draw the string
+	BWindow* demoWindow = new BWindow(BRect(80, 30, 490, 300), "FontDemo",
+		B_TITLED_WINDOW, B_ASYNCHRONOUS_CONTROLS | B_QUIT_ON_WINDOW_CLOSE);
+
+	FontDemoView* demoView = new FontDemoView(demoWindow->Bounds());
+	demoWindow->AddChild(demoView);
+
+	BWindow* controlWindow = new BWindow(BRect(500, 30, 700, 402), "Controls",
+		B_FLOATING_WINDOW_LOOK, B_FLOATING_APP_WINDOW_FEEL,
+		B_NOT_CLOSABLE | B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS);
+
+	ControlView* controlView = new ControlView(controlWindow->Bounds());
+	controlWindow->AddChild(controlView);
+
+	controlView->SetTarget(demoView);
+
+	demoWindow->Show();	
+	controlWindow->Show();
 }
 
 
@@ -28,24 +46,7 @@ FontDemo::~FontDemo()
 void
 FontDemo::ReadyToRun()
 {
-	// Create the demo window where we draw the string
+									
-	BWindow* demoWindow = new BWindow(BRect(80, 30, 490, 300), "FontDemo",
-		B_TITLED_WINDOW, B_ASYNCHRONOUS_CONTROLS | B_QUIT_ON_WINDOW_CLOSE);
-
-	FontDemoView* demoView = new FontDemoView(demoWindow->Bounds());
-	demoWindow->AddChild(demoView);
-
-	BWindow* controlWindow = new BWindow(BRect(500,30, 700, 352), "Controls",
-		B_FLOATING_WINDOW_LOOK, B_FLOATING_APP_WINDOW_FEEL,
-		B_NOT_CLOSABLE | B_NOT_ZOOMABLE | B_NOT_RESIZABLE | B_ASYNCHRONOUS_CONTROLS);
-
-	ControlView* controlView = new ControlView(controlWindow->Bounds());
-	controlWindow->AddChild(controlView);
-
-	controlView->SetTarget(demoView);
-
-	demoWindow->Show();	
-	controlWindow->Show();								
 }
 
 

src/apps/fontdemo/FontDemoView.cpp

@@ -27,6 +27,7 @@ FontDemoView::FontDemoView(BRect rect)
 	fBufferView(NULL),
 	fString(NULL),
 	fOutLineLevel(0),
+	fDrawingMode(B_OP_COPY),
 	fBoundingBoxes(false),
 	fDrawShapes(false)
 {
@@ -76,6 +77,9 @@ FontDemoView::_DrawView(BView* view)
 {
 	if (!view)
 		return;
+		
+	view->SetDrawingMode(B_OP_COPY);
+			
 
 	BRect rect = view->Bounds();
 	view->SetHighColor(255, 255, 255);
@@ -152,12 +156,15 @@ FontDemoView::_DrawView(BView* view)
 			view->StrokeShape(fShapes[i]);
 		} else {
 			view->SetHighColor(0, 0, 0);
-			view->SetDrawingMode(B_OP_OVER);
+			view->SetDrawingMode(fDrawingMode);
 			view->DrawChar(fString[i], BPoint(xCoordArray[i], yCoordArray[i]));
 		}
 
 		if (BoundingBoxes() && !OutLineLevel()) {
-			view->SetHighColor(255, 0, 0);
+			if (i % 2)
+				view->SetHighColor(0, 255, 0);
+			else
+				view->SetHighColor(255, 0, 0);
 			view->SetDrawingMode(B_OP_COPY);
 			view->StrokeRect(boundBoxes[i]);
 		}
@@ -167,7 +174,7 @@ FontDemoView::_DrawView(BView* view)
 
 		xCoord += (escapementArray[i] /*+ escapeDeltas[i].nonspace + escapeDeltas[i].space*/)
 			* FontSize() + Spacing();
-		printf("xCoord %f\n", xCoord);
+		//printf("xCoord %f\n", xCoord);
 	}
 }
 
@@ -281,6 +288,14 @@ FontDemoView::MessageReceived(BMessage* msg)
 			break;
 		}
 		
+		case DRAWINGMODE_CHANGED_MSG:
+		{
+			if (msg->FindInt32("_mode", (int32 *)&fDrawingMode) == B_OK) {
+				Invalidate(/*&fBoxRegion*/);
+			}
+			break;
+		}
+		
 		case BOUNDING_BOX_MSG:
 		{
 			bool boundingbox = false;

src/apps/fontdemo/FontDemoView.h

@@ -62,6 +62,7 @@ class FontDemoView : public BView {
 		float		fFontSize;
 		float 		fSpacing;
 		int8		fOutLineLevel;
+		drawing_mode	fDrawingMode;
 
 		BRegion 	fBoxRegion;
 		BFont 		fFont;

src/apps/fontdemo/messages.h

@@ -19,6 +19,7 @@ const uint32 CYCLING_FONTS_MSG 			= 'cycl';
 const uint32 CYCLING_FONTS_UPDATE_MSG 	= 'cycU';
 const uint32 FONTSTYLE_CHANGED_MSG		= 'fonS';
 const uint32 FONTFAMILY_CHANGED_MSG		= 'fonF';
+const uint32 DRAWINGMODE_CHANGED_MSG	= 'drmF';
 const uint32 TEXT_CHANGED_MSG 			= 'text';
 
 #endif	// MESSAGES_H