Baseline Widely available
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ImageBitmapRenderingContext.transferFromImageBitmap()
ã¡ã½ããã¯ãæå®ããã ImageBitmap
ããã®ã¬ã³ããªã³ã°ã³ã³ããã¹ãã«é¢é£ä»ãããããã£ã³ãã¹ã§è¡¨ç¤ºãã¾ããImageBitmap
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ãã®ã¡ã½ããã¯ä»¥å㯠transferImageBitmap()
ã¨åä»ãããã¦ãã¾ãããã仿§å¤æ´ã§ååã夿´ããã¾ãããã³ã¼ãã®ç ´æãé¿ãããããå¤ãååã¯å¥åã¨ãã¦æ®ããã¦ãã¾ãã
transferFromImageBitmap(bitmap)
弿°
bitmap
ç§»è² ImageBitmap
ãªãã¸ã§ã¯ãã§ãã
ãªã (undefined
)ã
<canvas id="htmlCanvas"></canvas>
JavaScript
const htmlCanvas = document
.getElementById("htmlCanvas")
.getContext("bitmaprenderer");
// WebGL ã·ã¼ã³ããªãã¹ã¯ãªã¼ã³ã§æç»
const offscreen = new OffscreenCanvas(256, 256);
const gl = offscreen.getContext("webgl");
// gl ã³ã³ããã¹ãã使ç¨ãã¦ä½ããæç»
// ç¾å¨ã®ãã¬ã¼ã ãå¯è¦ãã£ã³ãã¹ã«ç§»è²
const bitmap = offscreen.transferToImageBitmap();
htmlCanvas.transferFromImageBitmap(bitmap);
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