可以应用GDI直接对比2张连续图片差异吗
可以使用GDI直接对比2张连续图片差异吗？
不知道有哪个API 可以直接对比2张图的差异，把前一张图没有的直接从后一张图画过去， 像数对比全屏图片太慢了。 请大侠们不吝赐教
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不知道有哪个API 可以直接对比2张图的差异，把前一张图没有的直接从后一张图画过去， 像数对比全屏图片太慢了。 请大侠们不吝赐教
api
GDI
GDI+
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Option Explicit
Private Type BITMAPINFOHEADER
biSize As Long
biWidth As Long
biHeight As Long
biPlanes As Integer
biBitCount As Integer
biCompression As Long
biSizeImage As Long
biXPelsPerMeter As Long
biYPelsPerMeter As Long
biClrUsed As Long
biClrImportant As Long
End Type
Private Type BITMAP
bmType As Long
bmWidth As Long
bmHeight As Long
bmWidthBytes As Long
bmPlanes As Integer
bmBitsPixel As Integer
bmBits As Long
End Type
Private Const DIB_RGB_COLORS As Long = 0
Private Const OBJ_BITMAP As Long = 7
Private Declare Function GetObject Lib "gdi32" Alias "GetObjectA" (ByVal hObject As Long, ByVal nCount As Long, lpObject As Any) As Long
Private Declare Function GetObjectType Lib "gdi32" (ByVal hgdiobj As Long) As Long
Private Declare Function GetDC Lib "user32" (ByVal hWnd As Long) As Long
Private Declare Function CreateCompatibleDC Lib "gdi32" (ByVal Hdc As Long) As Long
Private Declare Function ReleaseDC Lib "user32" (ByVal hWnd As Long, ByVal Hdc As Long) As Long
Private Declare Function DeleteDC Lib "gdi32" (ByVal Hdc As Long) As Long
Private Declare Function SelectObject Lib "gdi32" (ByVal Hdc As Long, ByVal hObject As Long) As Long
Private Declare Function DeleteObject Lib "gdi32" (ByVal hObject As Long) As Long
Private Declare Function CompMemory Lib "ntdll.dll" Alias "RtlCompareMemory" (ByRef Destination As Any, ByRef Source As Any, ByVal Length As Long) As Long
Private Declare Function CreateDIBSection Lib "gdi32.dll" (ByVal Hdc As Long, ByRef pBitmapInfo As Any, ByVal un As Long, ByRef Pointer As Long, ByVal Handle As Long, ByVal Dw As Long) As Long