getImageData(sx, sy, sw, sh)－Canvasリファレンス
Canvas getImageData() 获取画布图像- Canvas 基础教程- 简单教程，简单编程
getImageData() Method in HTML5 Canvas - wikitechy
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getImageData() METHOD IN HTML5 CANVAS
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Canvas2D: Multiple readback operations using getImageData are faster with the willReadFrequently attribute set to true - CesiumJS - Cesium Community
javascript - getImageData on canvas after translation and rotation - Stack Overflow
DOMException: Failed to execute 'getImageData' on 'CanvasRenderingContext2D': The canvas has been tainted by cross-origin data. · Issue #26 · usnistgov/OpenSeadragonFiltering · GitHub
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getImageData() Method in HTML5 Canvas - wikitechy
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HTML | canvas getImageData() Method - GeeksforGeeks
getImageData() Method in HTML5 Canvas - wikitechy
