This method returns a ByteArray containing the hexadecimal color value of each pixel in a bitmap's specified rectangular region.
这个方法返回一个ByteArray，其中包含位图的指定矩形区域中每个像素的十六进制颜色值。
The textfield borders in Figure 2 aren't normal-looking single-pixel rectangular borders.
图2中的 textfield边框不是常规外观的单像素矩形边框。
Dividing pixels in rectangular and circular regions into subpixels and determining weight of each subpixel the composite weighted region energy of each pixel is obtained in the region.
对矩形和圆形区域中各像素进行亚像素划分，确定各亚像素的权值，得到基于亚像素的综合加权区域能量。
Dividing pixels in rectangular and circular regions into subpixels and determining weight of each subpixel the composite weighted region energy of each pixel is obtained in the region.
对矩形和圆形区域中各像素进行亚像素划分，确定各亚像素的权值，得到基于亚像素的综合加权区域能量。
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