Sha256: 52b5e7f9db2569ea0227fb833dffef74882fa10fb8c3b1c16e7d8d822753f7bb

Contents?: true

Size: 1.97 KB

Versions: 4

Compression:

Stored size: 1.97 KB

Contents

o: ActiveSupport::Cache::Entry	:@compressedF:@expires_in0:@created_atf1380709792.40002:@value"u{I"
class:ETI"BundledAsset;FI"logical_path;TI"Core/getImagePixels.js;TI"
pathname;TI"T/Users/bogumil/www/engines/cesium/app/assets/javascripts/Core/getImagePixels.js;FI"content_type;TI"application/javascript;TI"
mtime;TI"2013-10-02T12:16:28+02:00;TI"length;Ti�I"digest;TI"%8871f7c1e75f552dc0fcc7a182273099;FI"source;TI"�/*global define*/

define(['Core/defined'], function(defined) {
    "use strict";

    var context2DsByWidthAndHeight = {};

    /**
     * Extract a pixel array from a loaded image.  Draws the image
     * into a canvas so it can read the pixels back.
     *
     * @exports getImagePixels
     *
     * @param {Image} image The image to extract pixels from.
     *
     * @returns {CanvasPixelArray} The pixels of the image.
     */
    var getImagePixels = function(image, width, height) {
        if (!defined(width)) {
            width = image.width;
        }
        if (!defined(height)) {
            height = image.height;
        }

        var context2DsByHeight = context2DsByWidthAndHeight[width];
        if (!defined(context2DsByHeight)) {
            context2DsByHeight = {};
            context2DsByWidthAndHeight[width] = context2DsByHeight;
        }

        var context2d = context2DsByHeight[height];
        if (!defined(context2d)) {
            var canvas = document.createElement('canvas');
            canvas.width = width;
            canvas.height = height;
            context2d = canvas.getContext('2d');
            context2d.globalCompositeOperation = 'copy';
            context2DsByHeight[height] = context2d;
        }

        context2d.drawImage(image, 0, 0, width, height);
        return context2d.getImageData(0, 0, width, height).data;
    };

    return getImagePixels;
});
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_version;TI"%6776f581a4329e299531e1d52aa59832;F

Version data entries

4 entries across 4 versions & 1 rubygems

Version Path
cesium-0.25.0 test/dummy/tmp/cache/assets/D47/730/sprockets%2Fd4896739cfee6536220ae6fcf1232ca7
cesium-0.24.1 test/dummy/tmp/cache/assets/D47/730/sprockets%2Fd4896739cfee6536220ae6fcf1232ca7
cesium-0.21.1 test/dummy/tmp/cache/assets/D47/730/sprockets%2Fd4896739cfee6536220ae6fcf1232ca7
cesium-0.21 test/dummy/tmp/cache/assets/D47/730/sprockets%2Fd4896739cfee6536220ae6fcf1232ca7