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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8" />
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<title>Canvas Renderer Test</title>
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<script type="text/javascript" >
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var p2j = {};
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p2j.isWindows = navigator.appVersion.indexOf('Win') > -1;
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p2j.isMac = navigator.appVersion.indexOf('Mac') > -1;
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p2j.isUnix = navigator.appVersion.indexOf('X11') > -1;
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p2j.isLinux = navigator.appVersion.indexOf('Linux') > -1;
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p2j.isFirefox = navigator.userAgent.toLowerCase().indexOf('firefox') > -1;
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p2j.isChrome = navigator.userAgent.toLowerCase().indexOf('chrome') > -1;
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p2j.isChromium = !!window.chrome;
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p2j.isIE11 = navigator.userAgent.indexOf("Trident") > -1
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|| navigator.userAgent.indexOf("Edge") > -1;
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p2j.isIe = !!window.ActiveXObject || p2j.isIE11;
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p2j.isSafari = (navigator.userAgent.toLowerCase().indexOf('safari/') > -1) && !p2j.isChrome;
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</script>
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<script type="text/javascript" src="./driver/web/res/p2j.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.logger.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.sound.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.strokes.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.canvas_renderer.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.virtual_desktop.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.mouse.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.screen.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.socket.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.keymap.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.keyboard.js"></script>
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<script type="text/javascript" src="./gui/driver/web/res/p2j.clipboard_helpers.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.clipboard.js"></script>
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<script type="text/javascript" src="./driver/web/res/p2j.fonts.js"></script>
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<script>
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"use strict";
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var dojo = {};
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dojo.style = function(element, styleObj)
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{
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for (var prop in styleObj)
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{
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if (styleObj.hasOwnProperty(prop))
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{
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element.style[prop] = styleObj[prop];
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}
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}
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};
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var canvas;
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var ctx;
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var offscreenCanvas;
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var offscreenContext;
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var strokesManager;
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var strokeStyle;
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var yStep;
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var xStep;
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var xFrom;
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var yFrom;
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var pixel;
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var pixData;
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var renderer;
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function initCanvas(canvas, ctx, x, y, width, height)
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{
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canvas.style.top = y.toString() + "px";
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canvas.style.left = x.toString() + "px";
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canvas.width = width;
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canvas.height = height;
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};
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function applyStrokeStyle()
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{
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renderer.setLineStroke(strokeStyle, 2);
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};
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window.onload = function()
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{
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p2j.isGui = true;
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p2j.fonts.init({
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'font' : {'name' : 'serif', 'size' : 10, 'color' : {'f' : '#000000000', 'b' : '#255255255'}},
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});
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p2j.logger.init(4096, true);
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strokesManager = new LineStrokes();
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canvas = document.getElementById("canvas");
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ctx = canvas.getContext('2d', {alpha : true});
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initCanvas(canvas, ctx, 40, 80, 800, 600);
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renderer = new CanvasRenderer(canvas, ctx,
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canvas, strokesManager, p2j.fonts, p2j.logger);
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strokeStyle = 0;
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applyStrokeStyle();
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};
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function blankCanvas() {
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ctx.setTransform(1,0,0,1,0,0);
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = "rgba(228,228,228,0.5)";
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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};
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function whiteCanvas() {
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ctx.setTransform(1,0,0,1,0,0);
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ctx.clearRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = "rgba(255,255,255,0.5)";
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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};
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function drawXORLine()
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{
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renderer.setColor([128, 128, 128]);
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renderer.setXORComposite();
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for(var i = 0; i < 800; i += 10)
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{
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renderer.strokeLineSegment(i, 100, i, 500, renderer.rawColor);
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}
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console.debug("renderer.rawColor=" + renderer.rawColor);
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renderer.resetComposite();
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}
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</script>
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</head>
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<body>
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<canvas id="canvas" style="position:absolute; z-index:0">No HTML5 support in your browser!</canvas>
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<div style="position:absolute;top:10px;left:10px;">
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<button style="position:relative" onclick="drawXORLine();">Draw XOR X-Line Series with grey color</button>
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<button style="position:relative" onclick="whiteCanvas();">Clear with half-transparent white</button>
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<button style="display:inline;position:relative" onclick="blankCanvas();">Clear with half-transparent light grey</button>
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</div>
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<div style="position:absolute;top:80px;left:850px;">
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<div style="display:inline">Stroke Styles</div>
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<select id="strokeStyleSelector" style="display:block" onchange="strokeStyle = Number(this.value);applyStrokeStyle();">
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<option value="0">Default</option>
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<option value="1">Fixed Width</option>
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<option value="2">Dots</option>
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<option value="3">Small Dots</option>
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<option value="4">Small Thin Dots</option>
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</select>
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</div>
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</body>
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</html>
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