rounded_corners.inc.js.tmp
来自「PHP 知识管理系统(基于树结构的知识管理系统), 英文原版的PHP源码。」· TMP 代码 · 共 1,115 行 · 第 1/4 页
TMP
1,115 行
newCorner.style.borderRight = this.borderString; newCorner.style.borderBottom = this.borderString; newCorner.style.left = this.borderWidth + "px" newCorner.style.backgroundPosition = "-" + (botMaxRadius + this.borderWidth) + "px -" + (this.boxHeight + (botMaxRadius + this.borderWidth)) + "px"; break; } } } else { /* PERFORMANCE NOTE: If more than one corner is requested and a corner has been already created for the same radius then that corner will be used as a master and cloned. The pixel bars will then be repositioned to form the new corner type. All new corners start as a bottom right corner. */ //alert(masterCorners["boxId: "+ cc]+ cc); /*if(cc == "tr"){ if(masterCorners[this.settings[cc].radius]) var newCorner = masterCorners[this.settings["tr"].radius].cloneNode(true); //alert("cloning tr"); }else if(cc == "br"){ if(masterCorners[this.settings[cc].radius]) var newCorner = masterCorners[this.settings["br"].radius].cloneNode(true); //alert("cloning br"); }*/ if(masterCorners[this.settings[cc].radius] && cc == "tl"){ var newCorner = masterCorners[this.settings["tr"].radius].cloneNode(true); }else if(masterCorners[this.settings[cc].radius] && cc == "bl"){ var newCorner = masterCorners[this.settings["br"].radius].cloneNode(true); }else{ // Yes, we need to create a new corner var newCorner = document.createElement("DIV"); newCorner.style.height = this.settings[cc].radius + "px"; newCorner.style.width = this.settings[cc].radius + "px"; newCorner.style.position = "absolute"; newCorner.style.fontSize = "1px"; newCorner.style.overflow = "hidden"; // THE FOLLOWING BLOCK OF CODE CREATES A ROUNDED CORNER // ---------------------------------------------------- TOP // Get border radius var borderRadius = parseInt(this.settings[cc].radius - this.borderWidth); // Cycle the x-axis for(var intx = 0, j = this.settings[cc].radius; intx < j; intx++) { // Calculate the value of y1 which identifies the pixels inside the border if((intx +1) >= borderRadius) var y1 = -1; else var y1 = (Math.floor(Math.sqrt(Math.pow(borderRadius, 2) - Math.pow((intx+1), 2))) - 1); // Only calculate y2 and y3 if there is a border defined if(borderRadius != j) { if((intx) >= borderRadius) var y2 = -1; else var y2 = Math.ceil(Math.sqrt(Math.pow(borderRadius,2) - Math.pow(intx, 2))); if((intx+1) >= j) var y3 = -1; else var y3 = (Math.floor(Math.sqrt(Math.pow(j ,2) - Math.pow((intx+1), 2))) - 1); } // Calculate y4 if((intx) >= j) var y4 = -1; else var y4 = Math.ceil(Math.sqrt(Math.pow(j ,2) - Math.pow(intx, 2))); // Draw bar on inside of the border with foreground colour if(y1 > -1) this.drawPixel(intx, 0, this.boxColour, 100, (y1+1), newCorner, -1, this.settings[cc].radius,cc); // Only draw border/foreground antialiased pixels and border if there is a border defined if(borderRadius != j) { // Cycle the y-axis for(var inty = (y1 + 1); inty < y2; inty++) { // Draw anti-alias pixels if(this.settings.antiAlias) { // For each of the pixels that need anti aliasing between the foreground and border colour draw single pixel divs if(this.backgroundImage != "") { var borderFract = (pixelFraction(intx, inty, borderRadius) * 100); if(borderFract < 30) { this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, 0, this.settings[cc].radius,myobj); }else{ this.drawPixel(intx, inty, this.borderColour, 100, 1, newCorner, -1, this.settings[cc].radius,myobj); } } else { var pixelcolour = BlendColour(this.boxColour, this.borderColour, pixelFraction(intx, inty, borderRadius)); this.drawPixel(intx, inty, pixelcolour, 100, 1, newCorner, 0, this.settings[cc].radius, myobj); } } } // Draw bar for the border if(this.settings.antiAlias) { if(y3 >= y2) { if (y2 == -1) y2 = 0; this.drawPixel(intx, y2, this.borderColour, 100, (y3 - y2 + 1), newCorner, 0, 0,myobj); } } else { if(y3 >= y1) { this.drawPixel(intx, (y1 + 1), this.borderColour, 100, (y3 - y1), newCorner, 0, 0,myobj); } } // Set the colour for the outside curve var outsideColour = this.borderColour; } else { // Set the coour for the outside curve var outsideColour = this.boxColour; var y3 = y1; } // Draw aa pixels? if(this.settings.antiAlias) { // Cycle the y-axis and draw the anti aliased pixels on the outside of the curve for(var inty = (y3 + 1); inty < y4; inty++) { // For each of the pixels that need anti aliasing between the foreground/border colour & background draw single pixel divs this.drawPixel(intx, inty, outsideColour, (pixelFraction(intx, inty , j) * 100), 1, newCorner, ((this.borderWidth > 0)? 0 : -1), this.settings[cc].radius,myobj); } } } // END OF CORNER CREATION // ---------------------------------------------------- END // We now need to store the current corner in the masterConers array masterCorners[this.settings[cc].radius] = newCorner.cloneNode(true); } /* Now we have a new corner we need to reposition all the pixels unless the current corner is the bottom right. */ if(cc != "br") { // Loop through all children (pixel bars) for(var t = 0, k = newCorner.childNodes.length; t < k; t++) { // Get current pixel bar var pixelBar = newCorner.childNodes[t]; // Get current top and left properties var pixelBarTop = parseInt(pixelBar.style.top.substring(0, pixelBar.style.top.indexOf("px"))); var pixelBarLeft = parseInt(pixelBar.style.left.substring(0, pixelBar.style.left.indexOf("px"))); var pixelBarHeight = parseInt(pixelBar.style.height.substring(0, pixelBar.style.height.indexOf("px"))); // Reposition pixels if(cc == "tl" || cc == "bl"){ pixelBar.style.left = this.settings[cc].radius -pixelBarLeft -1 + "px"; // Left } if(cc == "tr" || cc == "tl"){ pixelBar.style.top = this.settings[cc].radius -pixelBarHeight -pixelBarTop + "px"; // Top } switch(cc) { case "tr": pixelBar.style.backgroundPosition = "-" + Math.abs((this.boxWidth - this.settings[cc].radius + this.borderWidth) + pixelBarLeft) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "tl": pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs(this.settings[cc].radius -pixelBarHeight -pixelBarTop - this.borderWidth) + "px"; break; case "bl": pixelBar.style.backgroundPosition = "-" + Math.abs((this.settings[cc].radius -pixelBarLeft -1) - this.borderWidth) + "px -" + Math.abs((this.boxHeight + this.settings[cc].radius + pixelBarTop) -this.borderWidth) + "px"; break; } } } } if(newCorner) { // Position the container switch(cc) { case "tl": if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "tr": if(newCorner.style.position == "absolute") newCorner.style.top = "0px"; if(newCorner.style.position == "absolute") newCorner.style.right = "0px"; if(this.topContainer) this.topContainer.appendChild(newCorner); break; case "bl": if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner.style.left = "0px"; if(this.bottomContainer) this.bottomContainer.appendChild(newCorner); break; case "br": if(newCorner.style.position == "absolute") newCorner.style.bottom = "0px"; if(newCorner.style.position == "absolute") newCorner.style.right = "0px"; if(this.bottomContainer) this.bottomContainer.appendChild(newCorner); break; } } } } /* The last thing to do is draw the rest of the filler DIVs. We only need to create a filler DIVs when two corners have diffrent radiuses in either the top or bottom container. */ // Find out which corner has the biiger radius and get the difference amount var radiusDiff = new Array(); radiusDiff["t"] = Math.abs(this.settings.tl.radius - this.settings.tr.radius) radiusDiff["b"] = Math.abs(this.settings.bl.radius - this.settings.br.radius); for(z in radiusDiff) { // FIX for prototype lib if(z == "t" || z == "b") { if(radiusDiff[z]) { // Get the type of corner that is the smaller one var smallerCornerType = ((this.settings[z + "l"].radius < this.settings[z + "r"].radius)? z +"l" : z +"r"); // First we need to create a DIV for the space under the smaller corner var newFiller = document.createElement("DIV"); newFiller.style.height = radiusDiff[z] + "px"; newFiller.style.width = this.settings[smallerCornerType].radius+ "px" newFiller.style.position = "absolute"; newFiller.style.fontSize = "1px"; newFiller.style.overflow = "hidden"; newFiller.style.backgroundColor = this.boxColour; //newFiller.style.backgroundColor = get_random_color(); // Position filler switch(smallerCornerType) { case "tl": newFiller.style.bottom = "0px"; newFiller.style.left = "0px"; newFiller.style.borderLeft = this.borderString; this.topContainer.appendChild(newFiller); break; case "tr": newFiller.style.bottom = "0px"; newFiller.style.right = "0px"; newFiller.style.borderRight = this.borderString; this.topContainer.appendChild(newFiller); break;
⌨️ 快捷键说明
复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?