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atlaspack

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atlaspack - npm Package Compare versions

Comparing version 0.2.1 to 0.2.2

24

example/example.js

@@ -8,3 +8,4 @@ // create a canvas

// create an atlas with our canvas
var atlas = require('../')(canvas);
var createAtlas = require('../');
var atlas = createAtlas(canvas);

@@ -61,4 +62,3 @@ function atlasPack(img) {

// handle exporting atlas
var saveas = document.querySelector('#export');
saveas.onclick = function(e) {
document.querySelector('#export').onclick = function(e) {
e.preventDefault();

@@ -68,1 +68,19 @@ window.open(canvas.toDataURL());

};
// handle exporting atlas key
document.querySelector('#json').onclick = function(e) {
e.preventDefault();
window.open('data:application/json,' + escape(atlas.json()));
return false;
};
// reset atlas
document.querySelector('#reset').onclick = function(e) {
e.preventDefault();
if (window.confirm('Are you sure?')) {
canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height);
canvas.width = 128; canvas.height = 128;
atlas = createAtlas(canvas);
}
return false;
};

@@ -136,3 +136,3 @@ /*

loop(atlas.right);
} else if (atlas.rect.name) {
} else if (typeof atlas.rect.name !== 'undefined') {
self._uvcache[atlas.rect.name] = [

@@ -157,2 +157,28 @@ [atlas.rect.x, atlas.rect.y],

Atlas.prototype.json = function(input) {
var self = this;
if (input) {
if (typeof input === 'string') input = JSON.parse(input);
return (function loop(obj) {
if (!obj || !obj.rect) return;
var atlas = new Atlas(obj.rect.x, obj.rect.y, obj.rect.w, obj.rect.h);
if (obj.left) atlas.left = loop(obj.left);
if (obj.right) atlas.right = loop(obj.right);
return atlas;
}(input));
} else {
return JSON.stringify(function loop(atlas) {
var obj = {
left: null, right: null,
rect: atlas.rect, filled: atlas.filled
};
if (atlas.left !== null) {
obj.left = loop(atlas.left);
obj.right = loop(atlas.right);
}
return obj;
}(self), null, 2);
}
};
// if has an image and canvas, draw to the canvas as we go

@@ -159,0 +185,0 @@ Atlas.prototype._ontoCanvas = function(node) {

2

package.json
{
"name": "atlaspack",
"description": "Pack rectangles (or images) into a rectangle (or canvas texture atlas).",
"version": "0.2.1",
"version": "0.2.2",
"homepage": "https://github.com/shama/atlaspack",

@@ -6,0 +6,0 @@ "author": {

@@ -139,2 +139,15 @@ # atlaspack

#### `atlas.json([input])`
Exports or imports a JSON key for the ability to save the atlas state and
restore it:
```js
var jsonkey = atlas.json();
// then later
atlas = atlas.json(jsonkey);
// make sure to set your canvas if using a canvas too
atlas.canvas = mycanvas;
```
### `atlaspack.Rect(x, y, w, h)`

@@ -157,2 +170,3 @@ Creates a rectangle instance.

## release history
* 0.2.2 - Ability to get and set JSON key.
* 0.2.1 - Add uv method for uv coordinates.

@@ -159,0 +173,0 @@ * 0.2.0 - Add expand and index methods.

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