Save Histogram In Picture Box As Jpeg Format?

Jul 28, 2009

I've plot a histogram in a picturebox called picHisto, but i'm having a problem in save it to jpeg or other format. When it saved, it appears to be a blank or white picture. The code below is the code i used for saving, thanks for the help.

Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
Dim img As New Bitmap(picHisto.Width, picHisto.Height)
Dim g As Graphics = Graphics.FromImage(img)

[code]....

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Save The Contents Of A Picbox As A Jpeg Or Other Picture Format In Visual Basic?

Jun 12, 2012

I need to save the contents of a picbox to a jpeg file.I suspect the error exists because I do not actually load an image, but draw lines on its using picbox1.addline(), but I do not know how to fix this.

[code]...

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[Code]...

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some link or could that could explain the way it could be done.

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Sep 2, 2011

I want to make a wallpaper changer because windows high compresses the the image so you see artifacts even if already use a jpeg or even a really high quality png or bmp.

I know what I need to do for all of it I just need to know how to save an image to a jpeg without it being compressed.  I have tried using the encoderparamters and getcodecinfo aswell as setting the quality to 100 but I still get a really bad looking image in the end.

Is there a way where I can save an image to a jpeg without getting the crappy image quality like with visual basic?

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Sep 27, 2009

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Save Signature As Jpeg File?

Feb 25, 2011

I have a signature box that does not allow me to save in jpeg format.I am using code:

'SigBoxCustSign.Save("C:Test2.bmp", SigBoxLib.SigBoxFileFormat.BMP)
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[code]....

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VS 2008 Save Screenshot As Jpeg?

Oct 28, 2009

I'm using the below code to capture desktop screenshot, it is working but doest encode the screenshot result in real jpeg, I came to know that from the huge size of the saved jpeg file around 5MB!!!

Dim ScreenSize As Size = New Size(My.Computer.Screen.Bounds.Width, My.Computer.Screen.Bounds.Height)
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[code].....

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Jun 15, 2009

I created a paint type program for signatures, and now I would like to save my canvas as either a jpeg, bitmap, or gif file, but I am unsure how to go about this.  Here is my code,[CODE...]

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Drawstring Text Quality - Image To Save As A PNG - GIF - JPEG

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I have a routine that creates a report which includes text and graphics. When I print to a PDF or printer the output looks great. When I draw the report on an image to save as a PNG, GIF, JPEG, etc. it does not look as good and I understand that is related to the 96 dpi native resolution. However, I made some modifications, and even though the graphics part of the image looks better, the text does not look as good as the PDF. I am creating the image using 300 dpi and text rendering is set at the highest quality.

[Code]...

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WPF - Option For User To Save Artwork As JPEG File

Apr 12, 2009

I am trying to create a wpf program that allows the user to create custom shapes or pick premade shapes and that after making their selection, a canvas shows their shapes randomly sized, positioned, colored and copied in multiples. I am hoping that on click, the program will put its output on a time interval and that the user can click stop when they are satisfied with how everything looks. My issue is, I would like to also give the user an option to save their created artwork as a jpeg file. Also if I wanted to link this file to a web browser what will I have to do?

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Save Jpeg Images To Access 2007 Database Using Program?

Apr 4, 2011

I have this program that is suppose to take the path I provide it and use it to save an image to my access database. But it keeps giving me ""Syntax error in Insert Into Statement." error message.

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Oct 17, 2011

I am currently working on a program to graph a histogram of the Dow Jones, the following is my code

CODE:

Im not sure if my getdata() sub routine is correct. I want this to display a histogram of returns for the DJIA as well as display the mean and standard deviation.

Also, on my Convert(Y) function it keeps saying im diviging by zero but I dont see how I am.

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I'm a programming enthusiast, and recently I am making a program that communicates with a webcam and captures an image. I copied the API call for avicap32.dll from some website and the program works just fine.

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Asp.net - Save Image As Jpeg File Rather Than Aspx File?

Jul 8, 2011

The images on my e-commerce website are watermarked with an aspx script, therefore when you are browsing products, if you want to save the image it saves it as aspx rather than jpg or png. The thing is I need to give urls of jpg for a website that advertises products. There are more than 10,000 products so I can't save all of them manually, so I made a page with jquery that get's the image part of the product display page. What this page returns is this:

<div id="result"><div id="loadpic" style="width: 160px;">
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</div></div>

And the output is only an image. How can I return this image not as an aspx page but as a jpg or png? Since there's a script for watermarking the image and making it aspx, shouldn't there be a reverse function?

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Dec 20, 2009

I have the following code in my asp.net: <asp:Image ID="imgInv" runat="server" width="600px" /><br /> Then in my vb.net page,i have the code:imgInv.ImageUrl = .Item("ImagePath") The data that I retrieve from my sql server is such as:C:1.tif However, the image could not be display. May I know is it vb.net does not support to view tif format picture.

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Does Not Support To View TIF Format Picture

Dec 20, 2009

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[Code]...

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Feb 4, 2009

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Jul 28, 2011

I am using following code to save my data to database Where does the statement to save a picture in the database fit?

[Code]...

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Dec 5, 2009

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I am trying to save a picture from WebBrowser1. I tried to move it into the picturebox then save it, but it doesnt open in picturebox:

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Jul 28, 2011

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Dec 4, 2009

I am trying to write some code to my program that will allow the user to rename and save a pciture they have selected, here is what i have so far.it saves the picture but not in a jpg file type, the file type is "file"

[Code]...

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Jan 26, 2009

I have a form in vb.net 2005 with a datagrid and picturebox, when I click an item in the datagrid dgProducts I want to display the Picture which is stored in an access database in binary format inside the picturebox pbProduct. This is the code I have inside the datagrid click:

pbProduct.Image = Nothing
Dim x As Integer = dgProducts.CurrentRowIndex
Dim dt As DataTable
Dim drow As DataRow

[code]...

I have imported the system.io and system.data.oledb at class level and I hav generated this code from what I can find in forums online, but I get "Parameter is not valid" and no more help than that...

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Apr 27, 2011

Im about practicing vb .net, manipulated different controls, im trying to createapplication like PAINT, Heres my problem at this point what controls should i choose? then i like to copy-paste-save the image to sql server, or save as jpg or bitmap, i have some syntax from vb classic but it didnt work, pls. help me with this kind of situation,

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Resize A Picture Then Save It In Another Folder?

Apr 18, 2010

I have a Picture Box Name "PicFront" and a button to add picture this picbox I need When I Select Picture from Clicking Add Button, the Picture is resize then display in Picbox Finaly When I Click Save Button save resizeing picture in another Folder?

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Oct 8, 2011

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May 16, 2009

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May 25, 2009

I have been working on a project.  In this project I wish to be able to create electronic signatures.  I have perfected the signing routine and also creating the memory astream and saving and retrieving an image.  The problem comes in when I retrieve the image from the database.  The image being saved does not capture the signature (the changes I've made to the picturebox)

1.  I load a small bmp as the template on where to sign with by setting the picturebox.imagelocation to a network share

2.  Using mousemove and mouseclick, and draw events I draw a signature on top of the picture box

3.  I picturebox.image.save(memorystream) the picture box to a sql server from a button click event.

4.  When I retrieve the saved image there are no edits (No signature)  only the original image.  I am sure that the original image is going in and that it is coming out every time.

My question is thus:  How can I capture the signature that I have edited into the picture box.  I have tried picturebox.save like I mentioned above and I have tried picturebox.update() but without success.  Does anyone know what I missing I think that the answer lies in refreshing or updating the picturebox, but I'm not sure how.

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I'am using vb.net and MySQL as database. How do I save the image path to mysql database. So later when the customer list form when I select a customer and so appear on the customer edit form automatically direct the picture appears too

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May I know if its possible to save a picture file like .jpeg file in vb after the user chooses his picture? As i want the user to be able to save the picture that he chooses at run time. So that the next time he runs the app, the picture will still be there.the below is the code that i used to open the picture.

Dim strFileName As String
OpenFileDialog1.InitialDirectory = "C:"
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[code]....

Is it i save using the my.setting part? but i'm not so sure abt the setting type. AS there doesnt seem to have system.drawing.image.

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Save The Clientarea Of A Form As Picture?

Aug 31, 2011

I want to save the clientarea of a form as picture and I got the following coding to do it. But while executing it I get fully-blacked picture saved.

Declare
Function BitBlt
Lib

[Code]....

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i am able extract TEXT from rtf file, but i am unable to extract and convert to images as bmp or jpeg or gif and save them to harddisk.is there any options for converting hex/binary to image?i tried to hex to base64, still it no-use

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