#region 判断图片是否一致
///
<summary>
/// 判断图片是否一致
///
</summary>
/// <param
name="img">图片一</param>
/// <param
name="bmp">图片二</param>
///
<returns>是否一致</returns>
public bool
IsSameImg(Bitmap img, Bitmap
bmp)
{
//大小一致
if
(img.Width == bmp.Width && img.Height ==
bmp.Height)
{
//将图片一锁定到内存
BitmapData
imgData_i = img.LockBits(new Rectangle(0, 0, img.Width, img.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format24bppRgb);
IntPtr ipr_i =
imgData_i.Scan0;
int length_i = imgData_i.Width *
imgData_i.Height * 3;
byte[] imgValue_i = new
byte[length_i];
Marshal.Copy(ipr_i, imgValue_i, 0,
length_i);
img.UnlockBits(imgData_i);
//将图片二锁定到内存
BitmapData
imgData_b = img.LockBits(new Rectangle(0, 0, img.Width, img.Height),
ImageLockMode.ReadOnly,
PixelFormat.Format24bppRgb);
IntPtr ipr_b =
imgData_b.Scan0;
int length_b = imgData_b.Width *
imgData_b.Height * 3;
byte[] imgValue_b = new
byte[length_b];
Marshal.Copy(ipr_b, imgValue_b, 0,
length_b);
img.UnlockBits(imgData_b);
//长度不相同
if
(length_i != length_b)
{
return
false;
}
else
{
//循环判断值
for
(int i = 0; i < length_i;
i++)
{
//不一致
if
(imgValue_i[i] !=
imgValue_b[i])
{
return
false;
}
}
return
true;
}
}
else
{
return
false;
}
}
#endregion
C# 判断两张图片是否一致的快速方法,布布扣,bubuko.com
原文地址:http://www.cnblogs.com/hjtdlx/p/3704519.html