56 lines
935 B
JavaScript
56 lines
935 B
JavaScript
/**
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* @author mrdoob / http://mrdoob.com/
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* @author alteredq / http://alteredqualia.com/
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* @author szimek / https://github.com/szimek/
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*/
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var ImageUtils = {
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getDataURL: function ( image ) {
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var canvas;
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if ( typeof HTMLCanvasElement == 'undefined' ) {
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return image.src;
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} else if ( image instanceof HTMLCanvasElement ) {
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canvas = image;
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} else {
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canvas = document.createElementNS( 'http://www.w3.org/1999/xhtml', 'canvas' );
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canvas.width = image.width;
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canvas.height = image.height;
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var context = canvas.getContext( '2d' );
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if ( image instanceof ImageData ) {
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context.putImageData( image, 0, 0 );
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} else {
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context.drawImage( image, 0, 0, image.width, image.height );
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}
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}
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if ( canvas.width > 2048 || canvas.height > 2048 ) {
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return canvas.toDataURL( 'image/jpeg', 0.6 );
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} else {
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return canvas.toDataURL( 'image/png' );
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}
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}
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};
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export { ImageUtils };
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