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如果设置底图为透明，是否橡皮擦效果是无法使用 #74

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panliang-rm opened this issue Oct 16, 2024 · 0 comments

panliang-rm commented Oct 16, 2024 •

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Bitmap transparentBitmap = Bitmap.createBitmap(500, 500, Bitmap.Config.ARGB_8888);
  if (mBitmap.getConfig() != Bitmap.Config.RGB_565) {
            // 如果位图包含透明度，则可能会导致橡皮擦无法对透明部分进行擦除
            LogUtil.w(TAG, "the bitmap may contain alpha, which will cause eraser don't work well.");
        }

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