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www.mxdraw.com
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MxDrawXCustomFunction::Mx_DrawEntityToJpg 方法
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www.mxdraw.com
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把一个实体显示保存到一个jpg文件。
static BOOL Mx_DrawEntityToJpg(IN LONG lId, IN CString sJpgFilePath, IN int iWidth = -1, IN int iHeight = -1, IN COLORREF* pBkColor = NULL);
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参数 |
说明 |
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IN LONG lId |
该实体对象的id |
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IN CString sJpgFilePath |
保存的jpg文件路径 |
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IN int iWidth = -1 |
jpg文件的像素宽度,-1默认为1000 |
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IN int iHeight = -1 |
jpg文件的像素高度,-1默认为1000 |
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IN COLORREF* pBkColor = NULL |
绘制的背景颜色，为空取当前背景颜色. |
成功返TRUE
例如: VB代码.
ElseIf iCommandId = 77 Then
Set mxUtility = New MxDrawXLib.MxDrawUtility
Set ent = mxUtility.GetEntity(getPt3, Chr(13) + Chr(10) + "选择读取扩展数据的实体:")
If (ent Is Nothing) Then
MsgBox "没有选择实体.."
Exit Sub
End If
Set param = New MxDrawXLib.MxDrawResbuf
param.AddLong ent.ObjectID, -10
param.AddString "c:ff3.jpg"
MxDrawX1.CallEx "Mx_DrawEntityToJpg", param
ElseIf iCommandId = 66 Then