Merge pull request #78 from juliandescottes/add-circletool

Add circletool

css/tools.css

@@ -45,6 +45,10 @@
   background-image: url(../img/tools/icons/rectangle.png);
 }
 
+.tool-icon.tool-circle {
+  background-image: url(../img/tools/cursors/circle.png);
+}
+
 .tool-icon.tool-move {
   background-image: url(../img/tools/icons/hand.png);
 }
@@ -77,6 +81,10 @@
   cursor: url(../img/tools/cursors/rectangle.png) 4 21, pointer;
 }
 
+.tool-circle .drawing-canvas-container:hover {
+  cursor: url(../img/tools/cursors/circle.png) 4 21, pointer;
+}
+
 .tool-move .drawing-canvas-container:hover {
   cursor: url(../img/tools/cursors/hand.png) 14 12, pointer;
 }

index.html

@@ -31,6 +31,7 @@
       <li class="tool-icon tool-paint-bucket" data-tool-id="tool-paint-bucket" title="Bucket tool"></li>
       <li class="tool-icon tool-stroke" data-tool-id="tool-stroke" title="Stroke tool"></li>
       <li class="tool-icon tool-rectangle" data-tool-id="tool-rectangle" title="Rectangle tool"></li>
+      <li class="tool-icon tool-circle" data-tool-id="tool-circle" title="Circle tool"></li>
       <li class="tool-icon tool-move" data-tool-id="tool-move" title="Move tool"></li>
       <li class="tool-icon tool-select" data-tool-id="tool-select" title="Move tool"></li>
     </ul>
@@ -113,12 +114,16 @@
   <script src="js/selection/RectangularSelection.js"></script>
   <script src="js/Palette.js"></script>
   <script src="js/Notification.js"></script>
+
+
+  <!-- Tools-->
   <script src="js/drawingtools/BaseTool.js"></script>
   <script src="js/drawingtools/SimplePen.js"></script>
   <script src="js/drawingtools/Eraser.js"></script>
   <script src="js/drawingtools/Stroke.js"></script>
   <script src="js/drawingtools/PaintBucket.js"></script>
   <script src="js/drawingtools/Rectangle.js"></script>
+  <script src="js/drawingtools/Circle.js"></script>
   <script src="js/drawingtools/Move.js"></script>
   <script src="js/drawingtools/RectangularSelect.js"></script>
   <script src="js/ToolSelector.js"></script>

js/KeyManager.js

@@ -1,50 +1,48 @@
 (function () {
-	var ns = $.namespace("pskl");
+    var ns = $.namespace("pskl");
 
-	ns.KeyManager = function () {
+    ns.KeyManager = function () {
-		$(document.body).keydown($.proxy(this.onKeyUp_, this));
+        $(document.body).keydown($.proxy(this.onKeyUp_, this));
-	};
+    };
 
-	// Kind of object that make you want to stop front-end _engineering_:
+    // Kind of object that make you want to stop front-end _engineering_:
-	ns.KeyManager.prototype.CharCodeToKeyCodeMap = {
+    ns.KeyManager.prototype.CharCodeToKeyCodeMap = {
 
-		90 : "z",
+        90 : "z",
-		89 : "y",
+        89 : "y",
-		88 : "x",
+        88 : "x",
-		67 : "c",
+        67 : "c",
-		86 : "v"
+        86 : "v"
-	};
+    };
 
-	ns.KeyManager.prototype.KeyboardActions = {
+    ns.KeyManager.prototype.KeyboardActions = {
 
-		"ctrl" : {
+        "ctrl" : {
-			"z" : Events.UNDO,
+            "z" : Events.UNDO,
-			"y" : Events.REDO,
+            "y" : Events.REDO,
-			"x" : Events.CUT,
+            "x" : Events.CUT,
-			"c" : Events.COPY,
+            "c" : Events.COPY,
-			"v" : Events.PASTE
+            "v" : Events.PASTE
-		}
+        }
-	};
+    };
 
-	
+    ns.KeyManager.prototype.onKeyUp_ = function(evt) {
-
+        var isMac = false;
-	ns.KeyManager.prototype.onKeyUp_ = function(evt) {
+        if (navigator.appVersion.indexOf("Mac")!=-1) {
-		var isMac = false;
+            // Welcome in mac world where vowels are consons and meta used instead of ctrl:
-		if (navigator.appVersion.indexOf("Mac")!=-1) {
+            isMac = true;
-			// Welcome in mac world where vowels are consons and meta used instead of ctrl:
+        }
-			isMac = true;
+        
-		}
+        if (isMac ? evt.metaKey : evt.ctrlKey) {
-		
+            // Get key pressed:
-		if (isMac ? evt.metaKey : evt.ctrlKey) {
+            var letter = this.CharCodeToKeyCodeMap[evt.which];
-			// Get key pressed:
+            if(letter) {
- 			var letter = this.CharCodeToKeyCodeMap[evt.which];
+                var eventToTrigger = this.KeyboardActions.ctrl[letter];
-			if(letter) {
+                if(eventToTrigger) {
-				var eventToTrigger = this.KeyboardActions["ctrl"][letter];
+                    $.publish(eventToTrigger);
-				if(eventToTrigger) {
+                }
-					$.publish(eventToTrigger);
+            }
-				}
+        }
-			};
+    };
-		}
-	};
 
 })();

js/ToolSelector.js

@@ -15,6 +15,7 @@ pskl.ToolSelector = (function() {
         "paintBucket" : new pskl.drawingtools.PaintBucket(),
         "stroke" : new pskl.drawingtools.Stroke(),
         "rectangle" : new pskl.drawingtools.Rectangle(),
+        "circle" : new pskl.drawingtools.Circle(),
         "move" : new pskl.drawingtools.Move(),
         "select" : new pskl.drawingtools.Select()
     };

js/controller/PreviewFilmController.js

@@ -208,7 +208,6 @@
 
     ns.PreviewFilmController.prototype.onDeleteButtonClick_ = function (index, evt) {
     	this.framesheet.removeFrameByIndex(index);
-		$.publish(Events.FRAMESHEET_RESET);
 		$.publish(Events.LOCALSTORAGE_REQUEST);	// Should come from model	
     };
 

js/drawingtools/Circle.js

@@ -0,0 +1,84 @@
+/*
+ * @provide pskl.drawingtools.Circle
+ *
+ * @require pskl.utils
+ */
+(function() {
+	var ns = $.namespace("pskl.drawingtools");
+
+	ns.Circle = function() {
+		this.toolId = "tool-circle"
+		
+		// Circle's first point coordinates (set in applyToolAt)
+		this.startCol = null;
+		this.startRow = null;
+	};
+
+	pskl.utils.inherit(ns.Circle, ns.BaseTool);
+	
+	/**
+	 * @override
+	 */
+	ns.Circle.prototype.applyToolAt = function(col, row, color, frame, overlay) {
+		this.startCol = col;
+		this.startRow = row;
+		
+		// Drawing the first point of the rectangle in the fake overlay canvas:
+		overlay.setPixel(col, row, color);
+	};
+
+	ns.Circle.prototype.moveToolAt = function(col, row, color, frame, overlay) {
+		overlay.clear();
+		if(color == Constants.TRANSPARENT_COLOR) {
+			color = Constants.SELECTION_TRANSPARENT_COLOR;
+		}
+
+		// draw in overlay
+		this.drawCircle_(col, row, color, overlay);
+	};
+
+	/**
+	 * @override
+	 */
+	ns.Circle.prototype.releaseToolAt = function(col, row, color, frame, overlay) {		
+		overlay.clear();
+		if(frame.containsPixel(col, row)) { // cancel if outside of canvas
+			// draw in frame to finalize
+			this.drawCircle_(col, row, color, frame);
+		}
+	};
+
+	ns.Circle.prototype.drawCircle_ = function (col, row, color, targetFrame) {
+		var circlePoints = this.getCirclePixels_(this.startCol, this.startRow, col, row);
+		for(var i = 0; i< circlePoints.length; i++) {
+			// Change model:
+			targetFrame.setPixel(circlePoints[i].col, circlePoints[i].row, color);
+		}
+	};
+
+	ns.Circle.prototype.getCirclePixels_ = function (x0, y0, x1, y1) {
+		var coords = pskl.PixelUtils.getOrderedRectangleCoordinates(x0, y0, x1, y1);
+		var xC = (coords.x0 + coords.x1)/2;
+		var yC = (coords.y0 + coords.y1)/2;
+		
+		var rX = coords.x1 - xC;
+		var rY = coords.y1 - yC;
+
+		var pixels = [];
+		var x, y, angle;
+		for (x = coords.x0 ; x < coords.x1 ; x++) {
+			angle = Math.acos((x - xC)/rX);
+			y = Math.round(rY * Math.sin(angle) + yC);
+			pixels.push({"col": x, "row": y});
+			pixels.push({"col": 2*xC - x, "row": 2*yC - y});
+		}
+
+		for (y = coords.y0 ; y < coords.y1 ; y++) {
+			angle = Math.asin((y - yC)/rY);
+			x = Math.round(rX * Math.cos(angle) + xC);
+			pixels.push({"col": x, "row": y});
+			pixels.push({"col": 2*xC - x, "row": 2*yC - y});
+		}
+		return pixels;
+	};
+})();

js/drawingtools/Rectangle.js

@@ -29,20 +29,12 @@
 
 	ns.Rectangle.prototype.moveToolAt = function(col, row, color, frame, overlay) {
 		overlay.clear();
-
-		// When the user moussemove (before releasing), we dynamically compute the 
-		// pixel to draw the line and draw this line in the overlay :
-		var strokePoints = pskl.PixelUtils.getBoundRectanglePixels(this.startCol, this.startRow, col, row);
 		if(color == Constants.TRANSPARENT_COLOR) {
 			color = Constants.SELECTION_TRANSPARENT_COLOR;
 		}
 
-		// Drawing current stroke:
+		// draw in overlay
-		for(var i = 0; i< strokePoints.length; i++) {
+		this.drawRectangle_(col, row, color, overlay);
-
-						
-			overlay.setPixel(strokePoints[i].col, strokePoints[i].row, color);
-		}
 	};
 
 	/**
@@ -50,52 +42,17 @@
 	 */
 	ns.Rectangle.prototype.releaseToolAt = function(col, row, color, frame, overlay) {		
 		overlay.clear();
-		// If the stroke tool is released outside of the canvas, we cancel the stroke: 
+		if(frame.containsPixel(col, row)) { // cancel if outside of canvas
-		if(frame.containsPixel(col, row)) {
+			// draw in frame to finalize
-			var strokePoints = pskl.PixelUtils.getBoundRectanglePixels(this.startCol, this.startRow, col, row);
+			this.drawRectangle_(col, row, color, frame);
-			for(var i = 0; i< strokePoints.length; i++) {
-				// Change model:
-				frame.setPixel(strokePoints[i].col, strokePoints[i].row, color);
-			}
-			// The user released the tool to draw a line. We will compute the pixel coordinate, impact
-			// the model and draw them in the drawing canvas (not the fake overlay anymore)		
 		}
 	};
 
-	/**
+	ns.Rectangle.prototype.drawRectangle_ = function (col, row, color, targetFrame) {
-	 * Get an array of pixels representing the rectangle.
+		var strokePoints = pskl.PixelUtils.getBoundRectanglePixels(this.startCol, this.startRow, col, row);
-	 *
+		for(var i = 0; i< strokePoints.length; i++) {
-	 * @private
+			// Change model:
-	 */
+			targetFrame.setPixel(strokePoints[i].col, strokePoints[i].row, color);
-	ns.Rectangle.prototype.getRectanglePixels_ = function(x0, x1, y0, y1) {
-		
-		var pixels = [];
-		var swap;
-		
-		if(x0 > x1) {
-			swap = x0;
-			x0 = x1;
-			x1 = swap;
 		}
-		if(y0 > y1) {
+	};
-			swap = y0;
-			y0 = y1;
-			y1 = swap;
-		}
-
-		// Creating horizontal sides of the rectangle:
-		for(var x = x0; x <= x1; x++) {
-			pixels.push({"col": x, "row": y0});
-			pixels.push({"col": x, "row": y1});
-		}
-
-		// Creating vertical sides of the rectangle:
-		for(var y = y0; y <= y1; y++) {
-			pixels.push({"col": x0, "row": y});
-			pixels.push({"col": x1, "row": y});	
-		}
-		
-		return pixels;
-     };
-
 })();

js/model/FrameSheet.js

@@ -96,6 +96,14 @@
 			throw "Out of bound index for frameSheet object.";
 		}
 		this.frames.splice(index, 1);
+
+		// Current frame index might not be valid anymore
+		if (!this.hasFrameAtIndex(this.currentFrameIndex)) {
+			// if not select last frame available
+			this.setCurrentFrameIndex(this.getFrameCount() - 1);
+		}
+
+		$.publish(Events.FRAMESHEET_RESET);
 	};
 
 	ns.FrameSheet.prototype.duplicateFrameByIndex = function(index) {

js/utils/pixelUtils.js

@@ -4,22 +4,11 @@
 	ns.PixelUtils = {
 
 		getRectanglePixels : function (x0, y0, x1, y1) {
+			var rectangle = this.getOrderedRectangleCoordinates(x0, y0, x1, y1);
 			var pixels = [];
-			var swap;
-			
-			if(x0 > x1) {
-				swap = x0;
-				x0 = x1;
-				x1 = swap;
-			}
-			if(y0 > y1) {
-				swap = y0;
-				y0 = y1;
-				y1 = swap;
-			}
 
-			for(var x = x0; x <= x1; x++) {
+			for(var x = rectangle.x0; x <= rectangle.x1; x++) {
-				for(var y = y0; y <= y1; y++) {
+				for(var y = rectangle.y0; y <= rectangle.y1; y++) {
 					pixels.push({"col": x, "row": y});
 				}
 			}
@@ -28,33 +17,33 @@
 		},
 
 		getBoundRectanglePixels : function (x0, y0, x1, y1) {
+			var rectangle = this.getOrderedRectangleCoordinates(x0, y0, x1, y1);
 			var pixels = [];
-			var swap;
-			
-			if(x0 > x1) {
-				swap = x0;
-				x0 = x1;
-				x1 = swap;
-			}
-			if(y0 > y1) {
-				swap = y0;
-				y0 = y1;
-				y1 = swap;
-			}
-
 			// Creating horizontal sides of the rectangle:
-			for(var x = x0; x <= x1; x++) {
+			for(var x = rectangle.x0; x <= rectangle.x1; x++) {
-				pixels.push({"col": x, "row": y0});
+				pixels.push({"col": x, "row": rectangle.y0});
-				pixels.push({"col": x, "row": y1});
+				pixels.push({"col": x, "row": rectangle.y1});
 			}
 
 			// Creating vertical sides of the rectangle:
-			for(var y = y0; y <= y1; y++) {
+			for(var y = rectangle.y0; y <= rectangle.y1; y++) {
-				pixels.push({"col": x0, "row": y});
+				pixels.push({"col": rectangle.x0, "row": y});
-				pixels.push({"col": x1, "row": y});	
+				pixels.push({"col": rectangle.x1, "row": y});
 			}
 			
 			return pixels;	
-		}
+		},
+
+		/**
+		 * Return an object of ordered rectangle coordinate.
+		 * In returned object {x0, y0} => top left corner - {x1, y1} => bottom right corner 
+		 * @private
+		 */
+		getOrderedRectangleCoordinates : function (x0, y0, x1, y1) {
+			return {
+				x0 : Math.min(x0, x1), y0 : Math.min(y0, y1),
+				x1 : Math.max(x0, x1), y1 : Math.max(y0, y1),
+			};
+		} 
 	};
 })();