Get Bitmap Dimensions

 

struct BITMAP,_
bmType as long,_
bmWidth As long,_
bmHeight As long,_
bmWidthBytes As long,_
bmPlanes as word,_
bmBitsPixel as word,_
bmBits as Long

filedialog "Open","*.bmp",bmp$
if bmp$="" then end
loadbmp "testbmp",bmp$
hTest=hbmp("testbmp")
print BitmapWidth(hTest)
print BitmapHeight(hTest)
unloadbmp "testbmp"
END

Function BitmapWidth(hBmp)
length=len(BITMAP.struct)
calldll #gdi32, "GetObjectA", hBmp as ulong,_
length as long,BITMAP as struct,_
results as long
BitmapWidth=BITMAP.bmWidth.struct
End Function

Function BitmapHeight(hBmp)
length=len(BITMAP.struct)
calldll #gdi32, "GetObjectA", hBmp as ulong,_
length as long,BITMAP as struct,_
results as long
BitmapHeight=BITMAP.bmHeight.struct
End Function



- Alyce Alyce Jan 7, 2006