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[Button control] jpeg DL : 0: vc++ 获得指定像素点的颜色，如演示截图所示，用户可以用鼠标左键单击图片的某一处时，就会在图片的右侧以该点颜色填充一个实心的矩形。实现方法通过函数COLORREF CDC::GetPixel( int x, int y)可以得到指定点的颜色，其参数x、y 是指定点的坐标。-When vc + + to get the color of the specified pixel, as shown in the demo screenshot, users can use the left mouse button click on the picture of a place, the picture will be on the right side to the point of a solid color fill rectangle. Implementation through the function COLORREF CDC :: GetPixel (int x, int y) can be color specified point, the parameters x, y coordinates of the specified point.
Date : 2026-01-05 Size : 385kb User : heyonghui