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一個RTF控件中顯示一個BMP我開始與這個C# Question如何在VB.net
我想顯示一個RTF箱內BMP圖像爲我做一個bot程序。 該函數應該將位圖轉換爲rtf代碼whis被插入另一個帶有附加文本的rtf格式化程序。有點像在聊天程序中使用的表情符號。
出於某種原因，此函數的輸出被RTF框拒絕並完全消失。我不知道這是否是我的BMP轉換爲二進制字符串，或者如果它的方式綁在頭標籤
lb.SelectedRtf = FormatText（build.ToString，newColor）
'returns the RTF string representation of our picture
Public Shared Function PictureToRTF(ByVal Bmp As Bitmap) As String
'Create a new bitmap
Dim BmpNew As New Bitmap(Bmp.Width, Bmp.Height, Imaging.PixelFormat.Format24bppRgb)
Dim gr = Graphics.FromImage(BmpNew)
gr.DrawimageUnscaled(Bmp, 0, 0)
gr.dispose()
Dim stream As New MemoryStream()
BmpNew.Save(stream, System.Drawing.Imaging.ImageFormat.Bmp)
Dim bytes As Byte() = stream.ToArray()
Dim str As String = BitConverter.ToString(bytes, 0).Replace("-", String.Empty)
'header to string we want to insert
Using g As Graphics = Main.CreateGraphics()
xDpi = g.DpiX
yDpi = g.DpiY
End Using
Dim _rtf As New StringBuilder()
' Calculate the current width of the image in (0.01)mm
Dim picw As Integer = CInt(Math.Round((Bmp.Width/xDpi) * HMM_PER_INCH))
' Calculate the current height of the image in (0.01)mm
Dim pich As Integer = CInt(Math.Round((Bmp.Height/yDpi) * HMM_PER_INCH))
' Calculate the target width of the image in twips
Dim picwgoal As Integer = CInt(Math.Round((Bmp.Width/xDpi) * TWIPS_PER_INCH))
' Calculate the target height of the image in twips
Dim pichgoal As Integer = CInt(Math.Round((Bmp.Height/yDpi) * TWIPS_PER_INCH))
' Append values to RTF string
_rtf.Append("{\pict\wbitmap0")
_rtf.Append("\picw")
_rtf.Append(Bmp.Width.ToString)
' _rtf.Append(picw.ToString)
_rtf.Append("\pich")
_rtf.Append(Bmp.Height.ToString)
' _rtf.Append(pich.ToString)
_rtf.Append("\wbmbitspixel24\wbmplanes1")
_rtf.Append("\wbmwidthbytes40")
_rtf.Append("\picwgoal")
_rtf.Append(picwgoal.ToString)
_rtf.Append("\pichgoal")
_rtf.Append(pichgoal.ToString)
_rtf.Append("\bin ")
_rtf.Append(str.ToLower & "}")
Return _rtf.ToString
End Function
Public Function FormatText(ByVal data As String, ByVal newColor As fColorEnum) As String
data = System.Net.WebUtility.HtmlDecode(data)
data = data.Replace("|", " ")
Dim reg As New Regex("\$(.[0-9]+)\$")
If reg.IsMatch(data) Then
Dim meep As String = Regex.Match(data, "\$(.[0-9]+)\$").Groups(1).ToString
Dim idx As Integer = Convert.ToInt32(meep)
Dim img As String = Fox2RTF(idx)
If img IsNot Nothing Then data = Regex.Replace(data, "\$(.[0-9]+)\$", img)
End If
Dim myColor As System.Drawing.Color = fColor(newColor)
Dim ColorString = "{\colortbl ;"
ColorString += "\red" & myColor.R & "\green" & myColor.G & "\blue" & myColor.B & ";}"
Dim FontSize As Integer = cMain.ApFont.Size
Dim FontFace As String = cMain.ApFont.Name
FontSize *= 2
Dim test As String = "{\rtf1\ansi\ansicpg1252\deff0\deflang1033" & ColorString & "{\fonttbl{\f0\fcharset0 " & FontFace & ";}}\viewkind4\uc1\fs" & FontSize.ToString & data & "\par}"
Return "{\rtf1\ansi\ansicpg1252\deff0\deflang1033" & ColorString & "{\fonttbl{\f0\fcharset0 " & FontFace & ";}}\viewkind4\uc1\fs" & FontSize.ToString & data & "\cf0 \par}"
End Function
Private Function Fox2RTF(ByRef Img As Integer) As String
Dim shape As New FurcadiaShapes(Paths.GetDefaultPatchPath() & "system.fsh")
Dim anims As Bitmap() = Helper.ToBitmapArray(shape)
' pic.Image = anims(Img)
Return PictureToRTF.PictureToRTF(anims(Img))
End Function