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.NET Forum / Windows Forms / Drawing / February 2007

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ThreadLast Post  Replies
a generic error occured in GDI+26 Feb 2007 18:34 GMT2
I have a simple program
       private void butLoad1_Click(object sender, EventArgs e)
       {
           this.pic1.Load("vv_s01.gif");
GDI+ seems unsuited for large images...26 Feb 2007 16:51 GMT2
I have developed subs to resample images, as well as all kinds of other things.
I deal with scanned exhibits that are typically 36" wide by whatever long.  I have one that is 115 inches long.
If this is scanned at 600 dpi, I get a tif with pixel dimensions of 21000 x 69000.
I do ...
forcing a formfeed with PrintDocument26 Feb 2007 07:43 GMT1
I'm using VB.NET 2005 and trying to get a handle on the PrintDocument thing.
I can print my document OK, but I need to know how to force a page break. In
the old days I'd simply tack a form feed CHR(12) at the spot where I want
the break, but PrintDocument ignores that and prints ...
C# Irregular shaped user controls.26 Feb 2007 06:35 GMT3
C# Irregular shaped user controls.
How to make usercontrol have transparency key for its background image? I
want to have irregular shaped user controls on my form. like a funny shaped
button. This works fine for irregular shaped forms becuase they have a
How can i be able to do something like this in .NET25 Feb 2007 18:20 GMT1
Hi, I was wondering how would I be able to get a brush and draw over an
image that would give an effect similar to this:
http://img338.imageshack.us/img338/8319/f9bfe00ee782c7812265lpg5.jpg
Also, how would I be able to have an edge effect like this one:
Bitmap Class Rendering Inconsistently23 Feb 2007 21:57 GMT2
I have coded a class that uses the bitmap class to generate graphics from
True Type fonts.  I'm using it primarily to render 3 of 9 barcodes from a
True Type font.  When the exact same code is used to generate a barcode from
some Web servers the barcodes print nice and clean.  ...
Performance of drawing to my own control (Frank Hileman)22 Feb 2007 16:53 GMT6
I'm doing alot of investigating about GDI+ performance and best practices to
get the best possible performance in my application when rendering images.
I've understood that the best thing to do it to work with 32bppPArgb
internally in your application, i.e. if you load an image ...
EXIF Properties, .Net and Digital Image Library21 Feb 2007 22:59 GMT1
I'm in the process of developing an app to scan and archive photos
based upon the EXIF/Photo Keyword property. One of the requirements is
that the Photo's keywords be editable via Digital Image Suite 2006
Library . Then the app will look for a specific keyword, change the
draw cursor onto bitmap20 Feb 2007 00:45 GMT2
I am trying to draw a cursor (the currently active cursor onto a bitmap). I
have a target Bitmap setup to draw into, I get the handle to the current
Cursor using Win32 API GetCursorInfo(), then I am passing this HCURSOR into
the constructor of a new GDI+ Bitmap. I was going to ...
GDI+ and WPF19 Feb 2007 22:24 GMT4
Can anyone help me understand what the advent of WPF means for GDI+?  Will
GDI+ become obsolete or does continue to used for raster images etc.?
Thanks in advance
John
does anyone see what is wrong with my .gif download logic? no matter what image url i try it downloads a junk file that can't be opened in any paint program.19 Feb 2007 06:53 GMT1
does anyone see what is wrong with my .gif download logic? no matter what
image url i try it downloads a junk file that can't be opened in any paint
program.
System.Net.WebRequest myRequest = System.Net.WebRequest.Create(url);
Shear Image18 Feb 2007 20:01 GMT1
Hi guys,
I'm wondering how can i calculate the correct height and width to fit an
image, after i perform a Shear to it?
Thanks,
how to get the System.Drawing.Point of FormStartPosition, e.g. if i want to recenter the form on the screen at some point other then startup.18 Feb 2007 18:45 GMT1
how to get the System.Drawing.Point of FormStartPosition, e.g. if i want to
recenter the form on the screen at some point other then startup.
how to split region data?16 Feb 2007 13:15 GMT3
I'm currently working on an application for my dissertation for my
final year at University.
I'm having a little trouble with the System.Drawing.Region class.
The application is being designed to help create and study the use of
Custom Zoom & Performance15 Feb 2007 20:45 GMT6
I have a need to implement a custom zoom algorithm (to control the dimension
of the scaled pixels) so I have turned to GDI interop to solve this. The
zoom is being performed in a user control and I draw directly on the control
surface. The zoom it self works just fine, but it's ...
Pages: 1 2 3 January, 2007
 
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