initial commit

.gitignore

@@ -0,0 +1,4 @@
+components
+build
+node_modules
+npm-debug.log

.jshintrc

@@ -0,0 +1,5 @@
+{
+  "asi": true,
+  "laxcomma": true,
+  "laxbreak": true
+}

Readme.md

@@ -0,0 +1,22 @@
+
+# rotate-image
+
+  rotate images in 90° increments
+
+## Installation
+
+    $ npm install nathan7/rotate-image
+
+  or
+
+    $ component install nathan7/rotate-image
+
+## API
+
+### rotateImage(image, rotation)
+
+  Rotates an image by the given rotation. Rotation is given as a number from 0 to 3 (out-of-range numbers are modulus'd)
+
+## License
+
+  MIT

component.json

@@ -0,0 +1,19 @@
+{
+  "name": "rotate-image",
+  "repo": "nathan7/rotate-image",
+  "description": "rotate images in 90° increments",
+  "version": "1.0.0",
+  "keywords": [
+    "rotate",
+    "image",
+    "utility"
+  ],
+  "dependencies": {
+    "nathan7/canvas": "*"
+  },
+  "license": "MIT",
+  "main": "index.js",
+  "scripts": [
+    "index.js"
+  ]
+}

index.js

@@ -0,0 +1,20 @@
+var Canvas = require('canvas')
+  , Image = Canvas.Image
+module.exports =
+function rotateImage(image, rotation) {
+  rotation = (+rotation + 4) % 4
+  var mod = rotation & 1
+    , width = mod
+      ? image.height
+      : image.width
+    , height = mod
+      ? image.width
+      : image.height
+  var canvas = new Canvas(width, height)
+    , ctx = canvas.getContext('2d')
+  ctx.rotate(rotation * Math.PI / 2)
+  ctx.drawImage(image, image.width * -(rotation === 2 || rotation === 3), image.height * -(rotation === 1 || rotation === 2))
+  var newImage = new Image()
+  newImage.src = typeof canvas.toBuffer == 'function' ? canvas.toBuffer() : canvas.toDataURL()
+  return newImage
+}

package.json

@@ -0,0 +1,24 @@
+{
+  "name": "rotate-image",
+  "version": "1.0.0",
+  "description": "rotate images in 90° increments",
+  "main": "index.js",
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/nathan7/rotate-image.git"
+  },
+  "keywords": [
+    "rotate",
+    "image",
+    "utility"
+  ],
+  "author": "Nathan Zadoks",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/nathan7/rotate-image/issues"
+  },
+  "readmeFilename": "Readme.md",
+  "dependencies": {
+    "canvas": "nathan7/canvas"
+  }
+}