diff --git a/public/js/whiteboard.js b/public/js/whiteboard.js index 8f595f2..b111d8c 100644 --- a/public/js/whiteboard.js +++ b/public/js/whiteboard.js @@ -16,6 +16,7 @@ var whiteboard = { imgContainer : null, svgContainer : null, //For draw prev mouseOverlay : null, + ownCursor : null, drawBuffer : [], drawId : 0, //Used for undo function imgDragActive : false, @@ -126,73 +127,75 @@ var whiteboard = { return; } var currX = (e.offsetX || e.pageX - $(e.target).offset().left); - var currY = (e.offsetY || e.pageY - $(e.target).offset().top); - if((!currX || !currY) && e.touches && e.touches[0]) { - var touche= e.touches[0]; - currX = touche.clientX - $(_this.mouseOverlay).offset().left; - currY = touche.clientY - $(_this.mouseOverlay).offset().top; - latestTouchCoods = [currX, currY]; - } - - if(_this.drawFlag) { - if(_this.tool==="pen") { - _this.drawPenLine(currX, currY, _this.prevX, _this.prevY, _this.drawcolor, _this.thickness); - _this.sendFunction({"t":_this.tool,"d":[currX, currY, _this.prevX, _this.prevY], "c":_this.drawcolor, "th":_this.thickness}); - } else if(_this.tool=="eraser") { - _this.drawEraserLine(currX, currY, _this.prevX, _this.prevY, _this.thickness); - _this.sendFunction({"t":_this.tool,"d":[currX, currY, _this.prevX, _this.prevY], "th":_this.thickness}); - } - _this.prevX =currX; - _this.prevY =currY; - } - - if(_this.tool==="eraser") { - var left = currX-_this.thickness; - var top = currY-_this.thickness; - _this.cursorContainer.find("#ownCursor").css({"top":top+"px", "left":left+"px"}); - } else if(_this.tool==="pen") { - var left = currX-_this.thickness/2; - var top = currY-_this.thickness/2; - _this.cursorContainer.find("#ownCursor").css({"top":top+"px", "left":left+"px"}); - } else if(_this.tool==="line") { - if(svgLine) { - if(shiftPressed) { - var angs = getRoundedAngles(currX, currY); - currX = angs.x; - currY = angs.y; - } - svgLine.setAttribute('x2',currX); - svgLine.setAttribute('y2',currY); - } - } else if(_this.tool==="rect" || (_this.tool==="recSelect" && _this.drawFlag)) { - if(svgRect) { - var width = Math.abs(currX-startCoords[0]); - var height = Math.abs(currY-startCoords[1]); - if(shiftPressed) { - height=width; - var x = currX'); + _this.ownCursor = $('
'); + _this.cursorContainer.append(_this.ownCursor); } } _this.mouseover = true; @@ -576,46 +580,46 @@ var whiteboard = { var color = content["c"]; var username = content["username"]; var thickness = content["th"]; - - if(tool==="line" || tool==="pen") { - _this.drawPenLine(data[0], data[1], data[2], data[3], color, thickness); - } else if(tool==="rect"){ - _this.drawRec(data[0], data[1], data[2], data[3], color, thickness); - } else if(tool==="circle"){ - _this.drawCircle(data[0], data[1], data[2], color, thickness); - } else if(tool==="eraser"){ - _this.drawEraserLine(data[0], data[1], data[2], data[3], thickness); - } else if(tool==="eraseRec"){ - _this.eraseRec(data[0], data[1],data[2],data[3]); - } else if(tool==="recSelect"){ - _this.dragCanvasRectContent(data[0], data[1],data[2],data[3],data[4],data[5]); - } else if(tool==="addImgBG") { - if(content["draw"]=="1") { - _this.drawImgToCanvas(content["url"],data[0],data[1],data[2],data[3], doneCallback) - } else { - _this.drawImgToBackground(content["url"],data[0],data[1],data[2],data[3]); - } - } else if(tool==="clear") { - _this.canvas.height = _this.canvas.height; - this.imgContainer.empty(); - this.drawBuffer = []; - this.drawId = 0; - } else if(tool==="cursor") { - if(content["event"]==="move") { - if(_this.cursorContainer.find("."+content["username"]).length>=1) { - _this.cursorContainer.find("."+content["username"]).css({"left":data[0]+"px","top":data[1]+"px" }); + window.requestAnimationFrame(function() { + if(tool==="line" || tool==="pen") { + _this.drawPenLine(data[0], data[1], data[2], data[3], color, thickness); + } else if(tool==="rect"){ + _this.drawRec(data[0], data[1], data[2], data[3], color, thickness); + } else if(tool==="circle"){ + _this.drawCircle(data[0], data[1], data[2], color, thickness); + } else if(tool==="eraser"){ + _this.drawEraserLine(data[0], data[1], data[2], data[3], thickness); + } else if(tool==="eraseRec"){ + _this.eraseRec(data[0], data[1],data[2],data[3]); + } else if(tool==="recSelect"){ + _this.dragCanvasRectContent(data[0], data[1],data[2],data[3],data[4],data[5]); + } else if(tool==="addImgBG") { + if(content["draw"]=="1") { + _this.drawImgToCanvas(content["url"],data[0],data[1],data[2],data[3], doneCallback) } else { - _this.cursorContainer.append('
'+ - '
'+ - content["username"]+'
'); + _this.drawImgToBackground(content["url"],data[0],data[1],data[2],data[3]); } - } else { - _this.cursorContainer.find("."+content["username"]).remove(); + } else if(tool==="clear") { + _this.canvas.height = _this.canvas.height; + this.imgContainer.empty(); + this.drawBuffer = []; + this.drawId = 0; + } else if(tool==="cursor" && _this.settings) { + if(content["event"]==="move") { + if(_this.cursorContainer.find("."+content["username"]).length>=1) { + _this.cursorContainer.find("."+content["username"]).css({"left":data[0]+"px","top":data[1]+"px" }); + } else { + _this.cursorContainer.append('
'+ + '
'+ + content["username"]+'
'); + } + } else { + _this.cursorContainer.find("."+content["username"]).remove(); + } + } else if(tool==="undo") { + _this.undoWhiteboard(username); } - - } else if(tool==="undo") { - _this.undoWhiteboard(username); - } + }); if(isNewData && (tool==="line" || tool==="pen" || tool==="rect" || tool==="circle" || tool==="eraser" || tool==="addImgBG" || tool==="recSelect" || tool==="eraseRec")) { content["drawId"] = content["drawId"] ? content["drawId"] : _this.drawId;