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fix broken (not smooth) pixel when crop image #692

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fix broken (not smooth) pixel when crop image #692

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8 changes: 8 additions & 0 deletions croppie.js
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Original file line number Diff line number Diff line change
Expand Up @@ -1225,6 +1225,14 @@
}

// console.table({ left, right, top, bottom, canvasWidth, canvasHeight, width, height, startX, startY, circle, sx, sy, dx, dy, sWidth, sHeight, dWidth, dHeight });

// When the pixel from source position is directly transfered to the destination position, loosing all the neighbouring pixels information. The resulting image may often look very noisy.
// Set these properties is a simple area-average downsampling, producing preferable results with relatively small processing time.
ctx.mozImageSmoothingEnabled = true;
ctx.imageSmoothingQuality = "high";
ctx.webkitImageSmoothingEnabled = true;
ctx.msImageSmoothingEnabled = true;
ctx.imageSmoothingEnabled = true;

ctx.drawImage(this.elements.preview, sx, sy, sWidth, sHeight, dx, dy, dWidth, dHeight);
if (circle) {
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