[英]Create image on the fly with Text and images in asp.net
有人在asp.net中有任何示例可以動態創建圖像嗎? 我用Google搜索並找到了一些文章,但所有內容都討論了如何將文本轉換為圖像。 但是我想通過加入一些小的縮略圖和文本來創建圖像。
任何幫助都非常感謝。
謝謝
你可以嘗試這樣的事(抱歉不知道C#)
Public Function CreateImageFromThumbnails(ByVal lstImages As List(Of Image)) As Bitmap
Dim width As Integer = 0
Dim height As Integer = Integer.MinValue
For Each img In lstImages
If img.Height > height Then
height = img.Height
End If
width += img.Width
Next
Dim bmp As New Bitmap(width, height)
Using fnt As New Font("Verdana", 14)
Using gfx As Graphics = Graphics.FromImage(bmp)
Dim x As Integer = 0
For Each img As Image In lstImages
gfx.DrawImageUnscaled(img, x, 0)
x += img.Width
Next
gfx.DrawString("Sample String", fnt, Brushes.White, 0, 0)
End Using
End Using
Return bmp
End Function
Public Sub CreateImage()
Dim lstImages As New List(Of Image)
lstImages.Add(Bitmap.FromFile("thumbnail1.png"))
lstImages.Add(Bitmap.FromFile("thumbnail2.png"))
lstImages.Add(Bitmap.FromFile("thumbnail3.png"))
lstImages.Add(Bitmap.FromFile("thumbnail4.png"))
Using result As Bitmap = CreateImageFromThumbnails(lstImages)
result.Save("c:\result.bmp")
End Using
End Sub
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