Saving MetaFile / EMF As Bitmap (TIFF)
Mar 24, 2010
Currently I have a third party control that generates a Metafile. I can save the .wmf file to disk with out issue. The problem is how do I render the Metafile as a Tiff file. Currently I have the following code to get my metafile and save it.
Dim mf As Metafile = page.GetImage(TXTextControl.Page.PageContent.All)
Dim enhMetafileHandle As IntPtr = mf.GetHenhmetafile()
Dim h As IntPtr
Dim bufferSize As UInteger = GetEnhMetaFileBits(enhMetafileHandle, 0, h)
Dim buffer(CInt(bufferSize)) As Byte
[Code] .....
I've tried all sort of Image and Graphic calls and just can't save the meta file as a .tiff. I even tried to create a new bitmap and draw the metafile onto it. I always end up with a GDI exception being thrown.
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Jan 16, 2012
How to compress a bitmap before saving it into tiff format?
share some code with me that will compress the contents of a bitmap before saving into image format.I have the following code:
Dim image As BitmapSource = decoder.Frames(i)
Dim thebitmap As Bitmap = BitmapFromSource(image)
Dim eps As Imaging.EncoderParameters = New Imaging.EncoderParameters(1)
[Code]....
I need to compress the contents of "thebitma" before saving it into jpg format.
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Jan 17, 2004
how can i add a page onto a tiff and save the bitmap?
VB
Dim img As System.Drawing.Image
img = Image.FromFile(imgPath)
Dim fd As System.Drawing.Imaging.FrameDimension = New
[Code].....
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Jan 13, 2012
Can any one share some code with me that would explain the process of storing a bitmap data in tiff wrapped JPEG format.
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Dec 7, 2010
I have a little piece of code which saves a certain Bitmap to a JPG image. The Bitmap is "composed like this" ( Ppiechart is a picturebox):[code]So After it is declared I start to do some drawing on this bitmap. And then I want to save it like this:[code]So this saves the image. But the problem is that the background of the image turns black when I open the file on my PC.The background of the Bitmap in the program itself is white. So does anybody have an idea what may cause this? Do I have to declare a color for the "mybitmap"?
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Aug 7, 2009
how to create a bitmap image of a specified size? then how to save and reload such a bitmap to and from a file?VB2005 starter
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Oct 2, 2009
pasting images onto a control and saving it as bitmap
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Dec 29, 2011
prints out the tiff tags associated with a tiff file?
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May 14, 2010
I have found how to create a metafile using graphics but I can't save it to a vector file. I tried the Metafile.Save("*.emf") function but when I insert the image into PPT, it appear to be a bitmap when I enlarge it.
Here are the code:
Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
Using gRef As Graphics = Me.CreateGraphics
Dim hdc = gRef.GetHdc()
[code]....
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Jul 8, 2009
So i am converting a metafile (EMF to be exact) to a jpeg or gif (doesn't matter as long as it's compatible with browsers) and when I do the conversion, all of the transparent pixels turn black. I have no idea how to do this in GDI+ but here is the method I am using to save the file:
Dim Img As System.Drawing.Imaging.Metafile = New System.Drawing.Imaging.Metafile(stream)
Img.Save(Server.MapPath("/FileName.gif"), System.Drawing.Imaging.ImageFormat.Gif)
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Jan 11, 2011
I am getting an "Argument Exception" on 4th line. InnerException is Nothing.
[Code]...
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Dec 28, 2010
'm working on an Image Encrypting software which reads out all the pixels of an image and then relocating the pixels in some way.
My Code is as below
Dim Img As New Bitmap(tbEpath.Text)
Dim ImgSize As Integer = Img.Width * Img.Height
Dim Pixels(Img.Width, Img.Height) As Color
[code]....
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Jul 3, 2011
I'm using Bitmap to show picture box like slideshow using Timer. For each timer interval, I've to go for new instance of Bitmap, there System memory increases to 1MB, How to resolve this, 'BG is picture box
Private Sub Timer1_Tick(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Timer1.Tic Dim img As Bitmap
img = New Bitmap(System.Drawing.Bitmap.FromFile(FileIO.FileSystem.GetFiles
[CODE]...
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Dec 15, 2010
I'm trying to use a ToolTip directly to a Bitmap Object (System.Drawing.Bitmap), aparently I can't do this because Bitmap isnt a Windows Control.
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Sep 17, 2011
how can i create a monochrome bitmap from a semi transparent bitmap in vb.net? the bmp is for a transparency mask image for an icon i'm trying to create with the CreateIconIndirect API function.
i'm using vb2008 .Net3.5, but i would prefer an answer that would also work in vb2005
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May 26, 2011
Here is a short program to demonstrate my question. I just want to extraxct a rectangle bitmap from a big bitmap.Code as follows:
Private
Sub Button3_Click(ByVal sender
As System.Object,[code]....
Execution stops when hitting the Dim cloneBitmap statement, which should have created a bitmap out of the rectangle cut out.The message is:
"MissingMemeberException was unhandled.
No default member was found for type 'bitmap"
I just don't get it. Seems that the method Clone(Rectangle, PixelFormat was not found.
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Feb 10, 2010
I have a grass image located here in my directory. I want to just create a Bitmap, but I am getting an error. (Parameter is not valid.) Immediate Window: A first chance exception of type 'System.ArgumentException' occurred in System.Drawing.dll
[URL]
private void Form1_Load(object sender, EventArgs e)
{
Bitmap bmp = new Bitmap("grass.jpg");
}
bertino
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Oct 1, 2011
The code below reads an Icon from an .ico file, converts the Icon read to a Bitmap and saves the bitmap using:
Bitmap.Save(PathA)
Then does:
PanelShowWrittenIconA.BackgroundImage = New Bitmap(PathA)
[code].....
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Jan 23, 2009
I'm trying to convert a .bmp into a TIFF. Here's my attempt:
Bitmap bmp = new Bitmap("C:Documents and SettingsAdministratorDesktopDoc Folder\_f.bmp")
bmp.Save("C:Documents and SettingsAdministratorDesktopDoc Folder\_f.tif", ImageFormat.Tiff)
It doesn't work. Debug feedback:
Name 'bmp' is not declared. (BC30451)
Method arguments must be enclosed in parentheses. (BC30800)
'Bitmap' is a type and cannot be used as an expression. (BC30108)
[code]....
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Jul 31, 2008
convert pdf to multipage tiff?
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Mar 8, 2012
I am writting a VB.Net application. I need to be able to convert either a Word or PDF file to TIF format.
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Jun 21, 2012
I can use to convert several thousand PDFs to TIFFs. Free would be great but willing to pay if the cost is within reason.One requirement that many of the tools I have researched seem to miss is that I need to be able to do this in memory.I am working with PDFs that are stored as binary in a SQL database so through SSIS, I would like to pull that binary, convert to TIFF, then send it off to a webservice I will be working with via stream. Unfortunately, it seems that most utilities I have looked into expect the pdf to be on the file system and I would definitely like to avoid writing a temp file to disk to do this conversion. For me that ruled out GhostScript and pretty much anything that's based on it.Also, the PDFs I am working with are rather old (v1.3) so the assembly should be rather forgiving/flexible (PDFFocus errors out on all my PDFs but works fine with newer ones).Based on posts from StackOverflow, it seems like Atalasoft or PDF4NET might work but both are a little too pricey for me so I am looking for some additional suggestions. Given that this process will be embedded in a script task in SSIS 2008, this will have to be .NET.
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Mar 22, 2011
I have created a simple database programme in VB2010 Express. There is one table called stock_main_table and one 'child' table called Stock_issue_table. The main part essentailly holds the part number and the issue makes a record of each time that part is used. Its a one to many type arrangement.In the main table I have a PRI key called ID_Number and in the child I have a field called 'control'. The control has a relationship with the PRI key in the main table. So each time you create a new line in the child datagrid you retain the same number for that record. All standard simple stuff.
When I run the programme the main table comes up OK and the datagrid for the child comes up OK. If I add a record, I can add plenty of children to it no problem. The records all save OK. You can amend a record as well without an issue. The trouble comes as soon as you DELETE a record and then hit save. The DELETE seems to work and the records (parent and child) all disappear, but as soon as you try to save you get a The DELETE statement conflicted with the REFERENCE constraint error. I have tried and tried to fix this but can't.This is the full text of the exception, if anyone needs anything else then please just ask and I will post it. There is no code with this other than what is created when the dataset is dragged onto the form
[code]...
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Jun 30, 2010
Well the title says it all, i have bin trying to find an idea or a way to do this but i am stuck so maybe i can get some feedback with this.
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Dec 24, 2011
how to split tiff multipage in vb.net?
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Dec 8, 2009
i read the pdf file using following coding how to read the tiff file i tried tiff file not working
//
Dim fileStream As FileStream = New FileStream(uploadfile, FileMode.Open, FileAccess.Read)
Dim length As Long = postHeaderBytes.Length + fileStream.Length +
[Code]......
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Apr 15, 2010
i need to split the pdf pages as png images , is there any vb.net code snipped available to do the same.
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Nov 9, 2009
I need a sample web application to view documents such as Tiff, PDF files.
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Feb 1, 2012
how to use the TIFF IFILTER programatically.
I just want to call it from the command line like this and get the OCR'd text back.
myprog filename.tiff
The windows 7 SDK has FILTDUMP which isn't source supplied, and anyway, when I use that I get
0x80004005
even when running as admin -
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Sep 8, 2010
can't seem to find any code nor an explanation on how the file types differ (Technically).
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