Dim DP() As Byte, c As Long, d As Long Dim i As Long, j As Long Dim Color As Long, SRad As Double, CRad As Double Dim p As Double, q As Double, m As Double, n As Double Dim m1 As Double, n1 As Double, m2 As Double, n2 As Double, t As RGB, t1

BMP 图片旋转，任意角度 。VC源码，供初学者学习(BMP image rotation at any Angle)