Question

如何用c++编程实现提取给定图像中任意一点的RGB颜色值

Answer 1

COLORREF clr = ::GetPixel(hDC, point.x, point.y); //获取当前鼠标点像素值
m_red = GetRValue(clr);
m_bluee = GetBValue(clr);
m_green = GetBValue(clr);