Merge branch 'hotfix/1.0.3'

Author: jondavidjohn

CHANGELOG

@@ -1,3 +1,7 @@
+= 1.0.3
+  * Add bower support
+  * Add built distribution files to the repository
+
 = 1.0.2
   * Fix bug with font scaling with multiple text calls (Issue #4)
   * Add a few tests

bower.json

@@ -0,0 +1,24 @@
+{
+  "name": "hidpi-canvas",
+  "version": "1.0.3",
+  "homepage": "https://github.com/jondavidjohn/hidpi-canvas-polyfill",
+  "authors": [
+    "Jonathan Johnson <jon@crowdfavorite.com>"
+  ],
+  "description": "A JavaScript drop-in module to polyfill consistent and automatic HiDPI Canvas support.",
+  "keywords": [
+    "canvas",
+    "retina",
+    "hidpi",
+    "polyfill"
+  ],
+  "license": "Apache 2.0",
+  "ignore": [
+    "**/.*",
+    "node_modules",
+    "bower_components",
+    "src",
+    "test",
+    "tests"
+  ]
+}

dist/.gitignore

@@ -1 +1,2 @@
-[^.]*
+*.zip
+*.gz

dist/hidpi-canvas.js

@@ -0,0 +1,154 @@
+/**
+ * HiDPI Canvas Polyfill (1.0.3)
+ *
+ * Author: Jonathan D. Johnson (http://jondavidjohn.com)
+ * Homepage: https://github.com/jondavidjohn/hidpi-canvas-polyfill
+ * Issue Tracker: https://github.com/jondavidjohn/hidpi-canvas-polyfill/issues
+ * License: Apache 2.0
+*/
+(function(prototype) {
+
+	var func, value,
+
+		getPixelRatio = function(context) {
+			var backingStore = context.backingStorePixelRatio ||
+						context.webkitBackingStorePixelRatio ||
+						context.mozBackingStorePixelRatio ||
+						context.msBackingStorePixelRatio ||
+						context.oBackingStorePixelRatio ||
+						context.backingStorePixelRatio || 1;
+
+			return (window.devicePixelRatio || 1) / backingStore;
+		},
+
+		forEach = function(obj, func) {
+			for (var p in obj) {
+				if (obj.hasOwnProperty(p)) {
+					func(obj[p], p);
+				}
+			}
+		},
+
+		ratioArgs = {
+			'fillRect': 'all',
+			'clearRect': 'all',
+			'strokeRect': 'all',
+			'moveTo': 'all',
+			'lineTo': 'all',
+			'arc': [0,1,2],
+			'arcTo': 'all',
+			'bezierCurveTo': 'all',
+			'isPointinPath': 'all',
+			'isPointinStroke': 'all',
+			'quadraticCurveTo': 'all',
+			'rect': 'all',
+			'translate': 'all',
+			'createRadialGradient': 'all'
+		};
+
+	forEach(ratioArgs, function(value, key) {
+		prototype[key] = (function(_super) {
+			return function() {
+				var i, len,
+					ratio = getPixelRatio(this),
+					args = Array.prototype.slice.call(arguments);
+
+				if (value === 'all') {
+					args = args.map(function(a) {
+						return a * ratio;
+					});
+				}
+				else if (Array.isArray(value)) {
+					for (i = 0, len = value.length; i < len; i++) {
+						args[value[i]] *= ratio;
+					}
+				}
+
+				return _super.apply(this, args);
+			};
+		})(prototype[key]);
+	});
+
+	// Text
+	//
+	prototype.fillText = (function(_super) {
+		return function() {
+			var ratio = getPixelRatio(this),
+				args = Array.prototype.slice.call(arguments);
+
+			args[1] *= ratio; // x
+			args[2] *= ratio; // y
+
+			this.font = this.font.replace(
+				/(\d+)(px|em|rem|pt)/g,
+				function(w, m, u) {
+					return (m * ratio) + u;
+				}
+			);
+
+			_super.apply(this, args);
+
+			this.font = this.font.replace(
+				/(\d+)(px|em|rem|pt)/g,
+				function(w, m, u) {
+					return (m / ratio) + u;
+				}
+			);
+		};
+	})(prototype.fillText);
+
+	prototype.strokeText = (function(_super) {
+		return function() {
+			var ratio = getPixelRatio(this),
+				args = Array.prototype.slice.call(arguments);
+
+			args[1] *= ratio; // x
+			args[2] *= ratio; // y
+
+			this.font = this.font.replace(
+				/(\d+)(px|em|rem|pt)/g,
+				function(w, m, u) {
+					return (m * ratio) + u;
+				}
+			);
+
+			_super.apply(this, args);
+
+			this.font = this.font.replace(
+				/(\d+)(px|em|rem|pt)/g,
+				function(w, m, u) {
+					return (m / ratio) + u;
+				}
+			);
+		};
+	})(prototype.strokeText);
+})(CanvasRenderingContext2D.prototype);
+;(function(prototype) {
+	prototype.getContext = (function(_super) {
+		return function(type) {
+			var backingStore, ratio,
+				context = _super.call(this, type);
+
+			if (type === '2d') {
+
+				backingStore = context.backingStorePixelRatio ||
+							context.webkitBackingStorePixelRatio ||
+							context.mozBackingStorePixelRatio ||
+							context.msBackingStorePixelRatio ||
+							context.oBackingStorePixelRatio ||
+							context.backingStorePixelRatio || 1;
+
+				ratio = (window.devicePixelRatio || 1) / backingStore;
+
+				if (ratio > 1) {
+					this.style.height = this.height + 'px';
+					this.style.width = this.width + 'px';
+					this.width *= ratio;
+					this.height *= ratio;
+				}
+			}
+
+			return context;
+		};
+	})(prototype.getContext);
+})(HTMLCanvasElement.prototype);

dist/hidpi-canvas.min.js

@@ -1,7 +1,7 @@
 {
   "name": "hidpi-canvas",
   "description": "A JavaScript drop-in module to polyfill consistent and automatic HiDPI Canvas support.",
-  "version": "1.0.2",
+  "version": "1.0.3",
   "license": "Apache 2.0",
   "homepage": "https://github.com/jondavidjohn/hidpi-canvas-polyfill",
   "bugs": "https://github.com/jondavidjohn/hidpi-canvas-polyfill/issues",