Archived Months
June 2003
July 2003
August 2003
September 2003
October 2003
November 2003
December 2003
January 2004
February 2004
March 2004
April 2004
May 2004
June 2004
July 2004
August 2004
September 2004
October 2004
November 2004
December 2004
January 2005
February 2005
March 2005
April 2005
May 2005
June 2005
July 2005
August 2005
September 2005
October 2005
November 2005
December 2005
January 2006
February 2006
March 2006
April 2006
May 2006
June 2006
July 2006
August 2006
September 2006
October 2006
November 2006
December 2006
January 2007
February 2007
March 2007
April 2007
May 2007
June 2007
July 2007
August 2007
September 2007
October 2007
November 2007
December 2007
January 2008
February 2008
March 2008
April 2008
May 2008
June 2008
all groups > dotnet drawing api > december 2005 > threads for december 1 - 7, 2005

Filter by week: 1 2 3 4 5

DrawString and ExternalException
Posted by lukasz at 12/7/2005 10:16:23 PM
If ctl is a System.Windows.Forms.ListControl, when the following lines: using (SolidBrush br2 = new SolidBrush(fore)) { g.DrawString(text, ctl.Font, br2, x2 + 10, rect.Top); } can throw an ExternalException (A generic error occurred in GDI+)?...more >>


Copying Format1bppIndexed Images
Posted by Tom Bean at 12/7/2005 4:00:30 PM
My application breaks multi-page faxes into a collection of images, one for each page. The faxes are saved by our fax software as multi-frame TIFFs with a pixel format of Format1bppIndexed. While processing the pages, I am creating a new Bitmap of each frame and found the new Bitmap had a ...more >>

uniscribe printing problem
Posted by Lloyd Dupont at 12/7/2005 9:56:13 AM
In my (C# 2.0) application I have implemented international rich text rendering with uniscribe. It paint well on the screen. It's when I try to print or print preview I experience trouble. PrintPreview doesn't work at all. I just have a blank page. Printing kind of work but I have to sca...more >>

programming a vector drawing tool?
Posted by Mad Scientist Jr at 12/6/2005 11:53:53 AM
I am looking to make a homegrown vector drawing tool, similar to making vector drawings in Word or Powerpoint. It should be easy to use and intuitive, like Word or the old MacDraw. I want to make it easy for beginners, as opposed to something harder or more involved like Illustrator or Flash... ...more >>

GDI or not
Posted by Hennie7863 at 12/6/2005 11:30:34 AM
Hi i wan to build an application to show some stuff in a graphical way. I'm a datwarehousedeveloper and i want to build a graphical interface for representing the facts and dimensions. I want to create context menu's and i want to drill down on a dimension or a fact. It should be possible to sho...more >>

DrawCurve goes too high in percentage graph
Posted by mottebelke NO[at]SPAM hotmail.com at 12/6/2005 6:03:33 AM
I'm currently drawing a line graph using the DrawCurve method. So I have an array of points through which the line should be drawn. This is all going well, but there is an issue I can't come round. The values in the graph are percentages (0-100%). But if point 1 is a low percentage (say 50%), ...more >>

Image Rotation/Shift/clipping
Posted by Sajjad at 12/6/2005 2:51:30 AM
Hi, I am trying to write a small app that would allow me to fix up pages that i have scanned (scanned book). Durring scanning its harder to keep page fixed etc. To make my life easy i thought write a quick app to do this thing repeatdly. But i am facing some wierd problem with scalling o...more >>

1 Bit Image Conversion
Posted by Charles A. Lackman at 12/5/2005 4:47:57 PM
Hello, I am comverting a TIF to 1 bit and this works really well for all that I need it for, except for the amount of time it takes to accomplish this. On a 3 page Tif it is taking over 5 seconds on my computer and over 8 on others. I know this is small fries, but I really need to speed u...more >>



ToolTip OnPaint Overrides
Posted by Ron at 12/5/2005 10:55:02 AM
Hello, I have a panel that I create at runtime which is docked at the top of my form and then filled in with a gradient using the Overrides OnPaint method. Everything seems to work jus fine, the gradient is drawn correctly as well as any text too. However, when hovering over one of the mi...more >>

DrawString and Font Widths
Posted by Shawn B. at 12/4/2005 11:16:57 PM
Greetings, I am trying to draw text, character by character, using GDI+. When I use Graphics.MeasureString() and add the result to my X coordinate and draw the character, I get a completely different spacing between characters than when I use Graphics.DrawString(). My specific question ...more >>

Using an aspx module for an <img> src
Posted by el_Bilo at 12/4/2005 9:45:52 PM
I'm trying to read a jpg file into a buffer then respond back to a browser client with the image In the browser page I have <img src="imageGenerator.aspx"> Here's the code I'm trying to get to work. It doesn't all I get in the browser is an image placeholder. Imports System.drawing.Imag...more >>

[BUG?] How to save an image? Bob Powel!!
Posted by Lloyd Dupont at 12/3/2005 8:24:44 PM
I have .NET 2.0. I copy paste a JPEG image in from Word into my control. Later on I want to save this picture and try the following code: Image anImg; // pasted JPEG MemoryStream ms = new MemoryStream(); anImg.Save(ms, anImg.RawFormat); this always throw an argument null exception (encod...more >>

Moving GraphicsPath object with my mouse
Posted by Stéphane at 12/3/2005 10:09:02 AM
Hi, I recently started a little project on my own which purpose is the following: - Having "furniture" modules displayed on screen by pressing specific pushbuttons. - Being able to select modules by the mean of a mouse click and then move them. - Being able to ins...more >>

drawing multiple imagefiles on screen
Posted by Shadowrift at 12/3/2005 12:10:02 AM
Hi there, im converting my MFC tetris to .net with mfc you can bitblt an image many times to the screen in different locations. can one do this with .Net? im stuck. m using windows form application in c++ and im trying to display a graphic file (bmp) to the form. The only catch is i do not w...more >>

I can't copy a picture to word!
Posted by Lloyd Dupont at 12/3/2005 12:00:00 AM
I have a copy code as below. Which works well inside my application. But if I try to copy a picture into word, it always fail! Any tips? =3D=3D=3D=3D=3D public static void SetPasteboard(Object obj) { IDataObject ido =3D new DataObject(); ido.SetData(obj); if (obj is Bitmap) ...more >>

GraphicsPath cut hole in ellipse
Posted by Justin Echternach at 12/2/2005 4:45:16 PM
Hi All, I am trying to create a whole note (musical note) using a graphics path. A whole note is just a filled ellipse with a smaller slightly rotated ellipse cut out of its center. Is it possible to do this using a GraphicsPath object? I was thinking I would create two ellipses. Rotate...more >>

Cannot Save Metafile as a Metafile! Code included.
Posted by elziko at 12/2/2005 11:52:27 AM
I have an System.Drawing.Imaging.Metafile and I need to save it to any different formats. This is fine since I can pass in an ImageFormat into the Metafile's Save method. However, if I try and save it as a metafile it actual creates a PNG. Heres a tiny bit of code that generates a sample metafil...more >>


DevelopmentNow Blog