update images
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793cf35f42
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6 changed files with 42 additions and 32 deletions
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@ -622,7 +622,7 @@ module.exports = MMCQ.quantize
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this.swatches = bind(this.swatches, this);
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var a, allPixels, b, cmap, g, i, image, imageData, offset, pixelCount, pixels, r;
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if (typeof colorCount === 'undefined') {
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colorCount = 64;
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colorCount = 16;
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}
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if (typeof quality === 'undefined') {
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quality = 5;
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@ -837,22 +837,29 @@ module.exports = MMCQ.quantize
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*/
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window.CanvasImage = CanvasImage = (function() {
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function CanvasImage(image, context) {
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function CanvasImage(image) {
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if (context) {
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this.width = image.width;
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this.height = image.height;
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this.canvas = document.createElement('canvas');
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this.context = context;
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} else {
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this.canvas = document.createElement('canvas');
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this.width = this.canvas.width = image.width;
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this.height = this.canvas.height = image.height;
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this.context = this.canvas.getContext('2d');
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this.context = this.canvas.getContext('2d');
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this.context.drawImage(image, 0, 0, this.width, this.height);
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}
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}
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var originalWidth = image.width;
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var originalHeight = image.height;
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var maxArea = 300 * 300;
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var bitmapArea = originalWidth * originalHeight;
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var scaleRatio = 1;
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if (bitmapArea > maxArea) {
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scaleRatio = maxArea / bitmapArea;
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}
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//console.log(scaleRatio);
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this.width = this.canvas.width = originalWidth * scaleRatio;
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this.height = this.canvas.height = originalHeight * scaleRatio;
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this.context.drawImage(image, 0, 0, originalWidth, originalHeight, 0, 0, this.width, this.height);
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}
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CanvasImage.prototype.getPixelCount = function() {
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return this.width * this.height;
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