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Thread Starter | Last Post  | Replies | Views |
 |  | Hello!
Using the definition for en ellipse (http://en.wikipedia.org/wiki/Ellipse) I
can draw an arc of points. However, the end points of this arc...
Christopher Ireland
|
06-20-2007 03:39 AM
Christopher Ireland  | 0 | 10 |
| | | Say we have a bitmap 100x100
and a Graphics object go containing a rotation of 45 degrees and the
appropriate translation
If we want the picture to...
active
|
06-19-2007 07:28 PM
active | 2 | 14 |
| | | As described in the article KB814675
http://support.microsoft.com/?scid=kb%3Ben-us%3B814675&x=9&y=17
"When a Bitmap object is created with a pointer...
anpasq@gmail.com
|
06-18-2007 06:43 AM
anpasq@gmail.com | 6 | 8 |
| | | I'm trying to create a custom control with a transparent background.
I am using Bob Powell's excellent example
Creating transparent Windows Forms...
=?Utf-8?B?RHVnckhpbGw=?=
|
06-17-2007 07:58 PM
=?Utf-8?B?RHVnckhpbGw=?= | 6 | 7 |
| | | There are many examples showing how to use the BitBlt interop calls to get
the bitmap of a Form or control : for example, Bob Powells'...
Bill Woodruff
|
06-16-2007 04:33 AM
Karsten Sosna | 2 | 32 |
| | | I want to start a new post with a clean slate - here is my problem.
The 5 lines of code below work brillantly - it draws a nice blue box.
The problem...
=?Utf-8?B?TmF0aGFuQw==?=
|
06-15-2007 08:52 AM
SharpCoderMP | 5 | 15 |
 | | When I create a New Bitmap from a stream, or a filename, or an Image what is
the resulting PixelFormat?
Thanks
active
|
06-14-2007 08:50 PM
active | 18 | 19 |
| | | A Panel object does not allow DoubleBuffered to be set.
Simply creating a new control as below allows one to set that property so it
isn't that it...
active
|
06-13-2007 06:36 PM
active | 9 | 10 |
| | | Hi,
Can anyone give me concrete ideas or sample code as to how to show a
camera-like flash effect?
I would like to do this for a screen capture...
jaffar.kazi@gmail.com
|
06-13-2007 02:53 PM
Bob Powell [MVP] | 1 | 7 |
| | | I am getting a long RGB value and converting it like so:
fore_color = Drawing.Color.FromArgb(color_value)
back_color =...
=?Utf-8?B?TmF0aGFuQw==?=
|
06-12-2007 11:21 AM
=?Utf-8?B?TmF0aGFuQw==?= | 10 | 26 |
| | | Hi all,
My application reads a multi-page TIFF image from a file using gdiplus,
stores each frame in a list and then displays the frames. The...
yitz
|
06-12-2007 07:48 AM
yitz | 0 | 11 |
| | | I cut some code but this is basically how I rotate a bitmap.
Can't be the best way because it takes too long!
Any help would be...
active
|
06-12-2007 01:46 AM
Michael C | 30 | 282 |
| | | i have a problem with 32bppArgb images that has some transparency. i
need to prepare these images for drawing and printing. in most cases
images...
SharpCoderMP
|
06-11-2007 04:45 AM
SharpCoderMP | 22 | 78 |
| | | Hello,
I develop C#.NET (WinForm) over 2003server.
I am looking for a way to adjust a component size (width pixels)
according to a given text of a...
Oron.Morad@gmail.com
|
06-11-2007 04:14 AM
Bob Powell [MVP] | 1 | 7 |
| | | I posted a thread a couple of weeks back titled "I need to zoom a bitmap
with no interpolation". After getting my answer, I proceeded to...
Jeff Johnson
|
06-08-2007 07:42 PM
Bob Powell [MVP] | 1 | 10 |
| | | Using the Image of a PictureBox to display a bitmap and allow simple
adjustments such as cropping and rotating, and then resaving it or...
active
|
06-08-2007 01:26 PM
active | 2 | 6 |
| | | I am trying to draw a rectangle for every record in a dataset.
The drawing function will occur within a For Each loop and each record has a
different...
=?Utf-8?B?TmF0aGFuQw==?=
|
06-08-2007 12:22 PM
=?Utf-8?B?TmF0aGFuQw==?= | 3 | 15 |
| | | hi all
i'm drawing an image and transforming a section of it with a colour
matrix. When i change the image i save the section before changing...
mike
|
06-07-2007 04:05 PM
Bob Powell [MVP] | 4 | 6 |
| | | In order to update images located at remote peers
that differ only slightly, I want to determine the
smallest rectangle that contains the part in...
Christian Stapfer
|
06-06-2007 11:17 PM
Christian Stapfer | 4 | 12 |
| | | OK to do:
e.Graphics.InterpolationMode = InterpolationMode.HighQualityBilinear
in the Paint event code?
What I'm wondering is the Graphics...
active
|
06-06-2007 11:27 AM
active | 3 | 13 |
| | | When I call graphics.DrawRectangle(Pens.Black, 100, 100, 10, 10) the
top left pixel is not painted if PixelOffsetMode is set to
PixelOffstMode.Half....
Fallen
|
06-04-2007 12:46 AM
Fallen | 0 | 8 |
| | | " active" <activeNOSPAM (AT) a-znet (DOT) com> wrote
I missed the problem the first few times I read this. First I should say
that using the extra...
active
|
06-03-2007 08:42 PM
Michael C | 11 | 12 |
| | | hi,
i've created a canvas like surface on which user can place some objects
named frames. this frames can be resized, moved and filled with text...
SharpCoderMP
|
06-01-2007 07:38 AM
active | 7 | 40 |
| | | Hi, all,
I am pretty new to Windows GDI development. However, I got a question
maybe interesting ....
The case is£ºI'm writing a system-level app,...
jass.zhao@gmail.com
|
05-31-2007 10:42 PM
jass.zhao@gmail.com | 2 | 6 |
| | | I am using PrintWindow API in my app - I occasionally get back an image
which is black. I have googled this around and found that many people...
+ Kennedy Kok +
|
05-31-2007 08:47 PM
+ Kennedy Kok + | 0 | 12 |
| | | Here is my setup:
Windows Vista Ultimate
Visual Studio 2005
Intel Core 2 CPU 6600 @ 2.40 GHz
RAM: 2045 MB
..NET 2.0
The problem is:
Using a zero...
Geoff
|
05-31-2007 05:44 PM
=?Utf-8?B?R2VvZmY=?= | 8 | 83 |
| | | Hi
When drawing say an 8x8 bitmap to say a 128x128 bitmap using
Graphics::DrawImage(image,x,y,width,height) there is a 0.5 pixel offset
between the...
Steve Mowbray
|
05-30-2007 06:13 AM
Michael C | 5 | 10 |
| | | Hi
Does Google Picassa uses GDI to display the images so smothly ?
In C# my app is so slow comparing to Picassa, where the scrolling...
jweizman
|
05-30-2007 04:44 AM
jweizman | 0 | 11 |
| | | Hi
I have a quite complex GUI in C#, where i save space by using many
Panels, Pictures which hosts controls.
When the user needs a function, i hide...
jweizman
|
05-30-2007 04:38 AM
jweizman | 0 | 13 |
| | | Hello,
I have written a custom web control that dynamically generates bitmaps
in the response stream, using the Image.Save() method.
When generating...
Patrick Ruzand
|
05-29-2007 01:23 PM
Patrick Ruzand | 0 | 3 |
| | | I want to use thread to improve the speed of the drawing.
just like this:
public override OnPaint(PaintEventArgs e)
{
new...
zade
|
05-28-2007 05:16 AM
Bob Powell [MVP] | 2 | 12 |
| | | http://msdn2.microsoft.com/en-us/library/5ey6h79d.aspx
This LockBits example code worked fine with many images, but not with
images saved with...
Cat
|
05-27-2007 07:46 PM
Michael C | 1 | 26 |
| | | Hi there,
Could somebody show me a decent way to do an ArcTo in .NET? Am I
correct in assuming that the Graphics and GraphicsPath classes do...
Fallen
|
05-27-2007 01:33 AM
Fallen | 2 | 31 |
| | | I'm making a small Paint-like program and when I zoom in I want to see each
individual pixel as its own block of solid color. Everything I've tried...
Jeff Johnson
|
05-24-2007 04:32 PM
Jeff Johnson | 3 | 42 |
| | | Hi,
I need to print a report like document. So in report there are many articles
and what I need when I get to the end, is to update page numbers...
Kristijan Marin
|
05-23-2007 03:30 PM
Doug Forster | 2 | 35 |
| | | Hi,
I need to edit 20.000+ TIFFs. Currently I'm converting my TIFF images
back to CCITT4 (after watermarking them) using Bob Powell's method...
Berend
|
05-23-2007 06:23 AM
Berend | 2 | 34 |
| | | I am getting A generic error occurred in GDI+. The strage thing is
that it works for some images and it doesen't work for other images.
Here is one...
tonydubey@gmail.com
|
05-22-2007 06:03 PM
tonydubey@gmail.com | 0 | 41 |
| | | Hi (I also posted this in dotnet.framework.windowsforms so sorry for
crossposting)
I have a little app which i'm using to test changing the...
t f
|
05-22-2007 11:23 AM
t f | 0 | 32 |
| | | Hi there,
Could somebody show me a decent way to do an ArcTo in .NET? Am I
correct in assuming that the Graphics and GraphicsPath classes do...
Fallen
|
05-22-2007 08:32 AM
Fallen | 0 | 29 |
| | | Can someone tell me what causes this error and how to get around it?
I am getting this error message when accessing...
Bill R
|
05-21-2007 01:54 PM
Bill R | 0 | 40 |
| | | Hi,
The portions of a Bitmap that are not 'covered' by another Graphics
object are left black in the final image.
Is there a way to make the...
Jim Light
|
05-21-2007 12:56 PM
Jim Light | 4 | 28 |
| | | I'm new to Windows Forms and GDI+. Simple and probably dumb question
but how do I move an object (i.e. ellipse) across the screen. The msdn
help just...
Sheba
|
05-18-2007 08:55 AM
Sheba | 4 | 42 |
| | | I am trying to create a System.Windows.Forms.Control derive class that has
areas that are transparent to the form on which it is placed. I want to...
KenDev
|
05-17-2007 04:07 PM | 2 | 33 |
| | | Hi,
I would like to load up an existing image from disk and round off the
edges with GDI+.
Does anybody here a good reference on how to do...
Jim Light
|
05-17-2007 02:15 PM
Bob Powell [MVP] | 5 | 33 |
| | | I have a requirement to do a line graph on a web page. Need to be able to
plot multiple lines on the graph. Any good third party tools that...
Chris Davoli
|
05-17-2007 02:11 PM
Bob Powell [MVP] | 1 | 29 |
| | | Are you perchance using something other than Windows.Forms.Timer to do the
animation?
You could be suffering from a threading problem if you use any...
StevenVibert@hotmail.com
|
05-16-2007 05:15 PM
Bob Powell [MVP] | 4 | 35 |
| | | Bitmap class have a constructor Bitmap(int width, int height), so it
is possible to create a Bitmap object with the given dimension, and
then you can...
zade
|
05-16-2007 12:48 AM
Michael C | 1 | 40 |
| | | It seems that GDI+ converts bitmaps to 32bpp when it loads them
for processing. Though I needs only 4bpp images, the resulting bitmaps
occupies 8...
TumurS
|
05-15-2007 01:23 PM
SharpCoderMP | 1 | 40 |
| | | Hello team,
I've hit a brick wall. Here's what I'm tying to achieve:
When i save images to my webserver i also save a thumbnail using
(Bitmap...
kirkski
|
05-14-2007 12:09 PM
kirkski | 2 | 39 |
| | | Hi,
I read almost the whole internet about BufferedGraphicsContext exception
beeing thrown with description :
BufferedGraphicsContext cannot be...
Kristijan Marin
|
05-14-2007 05:35 AM
km | 1 | 85 |
