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word右键怎么增加图片另存为 word右键怎么增加图片另存为文件

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word右键怎么增加图片另存为 word右键怎么增加图片另存为文件

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代码如下：
Option Explicit
Private Const UnitPixelAs Long = 2
Private Const EncoderQuality As String = "{1D5BE4B5-FA4A-452D-9CDD-5DB35105E7EB}"
Private Type GdiplusStartupInput
GdiplusVersion As Long
DebugEventCallback As Long
SuppressBackgroundThread As Long
SuppressExternalCodecs As Long
End Type
Private Enum EncoderParameterValueType
EncoderParameterValueTypeByte = 1
EncoderParameterValueTypeASCII = 2
EncoderParameterValueTypeShort = 3
EncoderParameterValueTypeLong = 4
EncoderParameterValueTypeRational = 5
EncoderParameterValueTypeLongRange = 6
EncoderParameterValueTypeUndefined = 7
EncoderParameterValueTypeRationalRange = 8
End Enum
Private Type EncoderParameter
GUID(0 To 3)As Long
NumberOfValuesAs Long
TypeAs EncoderParameterValueType
Value As Long
End Type
Private Type EncoderParameters
Count As Long
Parameter As EncoderParameter
End Type
Private Type ImageCodecInfo
ClassID(0 To 3) As Long
FormatID(0 To 3)As Long
CodecName As Long
DllName As Long
FormatDescription As Long
FilenameExtension As Long
MimeTypeAs Long
Flags As Long
Version As Long
SigCountAs Long
SigSize As Long
SigPatternAs Long
SigMask As Long
End Type
Private Declare Function GdiplusStartup Lib "gdiplus" (Token As Long, inputbuf As GdiplusStartupInput, Optional ByVal outputbuf As Long = 0) As Long
Private Declare Sub GdiplusShutdown Lib "gdiplus" (ByVal Token As Long)
Private Declare Function GdipSaveImageToFile Lib "gdiplus" (ByVal hImage As Long, ByVal sFilename As Long, clsidEncoder As Any, encoderParams As Any) As Long
Private Declare Function GdipDisposeImage Lib "gdiplus" (ByVal Image As Long) As Long
Private Declare Function GdipCreateBitmapFromHBITMAP Lib "gdiplus" (ByVal hbm As Long, ByVal hPal As Long, Bitmap As Long) As Long
Private Declare Function GdipGetImageEncodersSize Lib "gdiplus" (numEncoders As Long, Size As Long) As Long
Private Declare Function GdipGetImageEncoders Lib "gdiplus" (ByVal numEncoders As Long, ByVal Size As Long, Encoders As Any) As Long
Private Declare Sub CopyMemory Lib "kernel32" Alias "RtlMoveMemory" (Destination As Any, Source As Any, ByVal Length As Long)
Private Declare Function lstrlenW Lib "kernel32" (ByVal psString As Any) As Long
Private Declare Function CLSIDFromString Lib "ole32" (ByVal lpszProgID As Long, pCLSID As Any) As Long
Private Declare Function GdipBitmapSetResolution Lib "gdiplus" (ByVal Bitmap As Long, ByVal xdpi As Single, ByVal ydpi As Single) As Long
Public Enum ImageFileFormat
Bmp = 1
Jpg = 2
Png = 3
Gif = 4
End Enum
Public Function SaveStdPicToFile(Stdpic As StdPicture, ByVal FileName As String, _
Optional ByVal FileFormat As ImageFileFormat = Jpg, _
Optional ByVal JpgQuality As Long = 80, _
Optional Resolution As Single) As Boolean
Dim CLSID(3)As Long
Dim BitmapAs Long
Dim Token As Long
Dim Gsp As GdiplusStartupInput
Gsp.GdiplusVersion = 1'GDI+ 1.0版本
GdiplusStartup Token, Gsp '初始化GDI+
GdipCreateBitmapFromHBITMAP Stdpic.Handle, Stdpic.hPal, Bitmap
If Bitmap0 Then'说明我们成功的将StdPic对象转换为GDI+的Bitmap对象了
GdipBitmapSetResolution Bitmap, Resolution, Resolution
Select Case FileFormat
Case ImageFileFormat.Bmp
If Not GetEncoderClsID("Image/bmp", CLSID) = -1 Then
SaveStdPicToFile = (GdipSaveImageToFile(Bitmap, StrPtr(FileName), CLSID(0), ByVal 0) = 0)
End If
Case ImageFileFormat.Jpg'JPG格式可以设置保存的质量
Dim aEncParams()As Byte
Dim uEncParamsAs EncoderParameters
If GetEncoderClsID("Image/jpeg", CLSID)-1 Then
uEncParams.Count = 1' 设置自定义的编码参数，这里为1个参数
If JpgQuality < 0 Then
JpgQuality = 0
ElseIf JpgQuality > 100 Then
JpgQuality = 100
End If
ReDim aEncParams(1 To Len(uEncParams))
With uEncParams.Parameter
.NumberOfValues = 1
.Type = EncoderParameterValueTypeLong ' 设置参数值的数据类型为长整型
Call CLSIDFromString(StrPtr(EncoderQuality), .GUID(0))' 设置参数唯一标志的GUID，这里为编码品质
.Value = https://m.laogu.cc/VarPtr(JpgQuality)' 设置参数的值：品质等级，最高为100，图像文件大小与品质成正比
End With
CopyMemory aEncParams(1), uEncParams, Len(uEncParams)
SaveStdPicToFile = (GdipSaveImageToFile(Bitmap, StrPtr(FileName), CLSID(0), aEncParams(1)) = 0)
End If
Case ImageFileFormat.Png
If Not GetEncoderClsID("Image/png", CLSID) = -1 Then
SaveStdPicToFile = (GdipSaveImageToFile(Bitmap, StrPtr(FileName), CLSID(0), ByVal 0) = 0)

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