Compressing PNG with given quality
(1 messages)
Date: Thu, 23 Aug 2007 03:53:18 -0700
Hello I am saving JPG file with the following SUB.
Sub SaveJPG(ByVal Image As Image, ByVal FileName As String, _
ByVal QualityLevel_0_100 As Byte, _
ByVal ColorDepthLevel ...
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OutOfMemory is intermittent, maybe here's why
(1 messages)
Date: Thu, 23 Aug 2007 15:02:42 +0900
After a call to Graphics.DrawImage, an OutOfMemory error might occur. The
probability of an error has some correlation with the size of the image but
is not reliable. Even with an image of a few hundred megabytes, sometimes ...
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BoundingRectangle
(1 messages)
Date: Wed, 22 Aug 2007 01:45:57 -0700
Hi. I would like to rotate an item, and get therefore the updated
node.BoundingRectangle, but this BoudningRectangle is always empty ...
Can anyone tell me how I should rotate correctly?
...
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Can Bitmap.Save produce a 4bpp GIF file?
(7 messages)
Date: Tue, 21 Aug 2007 09:51:33 -0400
Is it possible using Bitmap.Save to produce a GIF file that is 4bpp?
Seems that I always get 8bpp.
If I know it's not possible I'll quit trying.
Thanx
...
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Move a icon over a form
(1 messages)
Date: Tue, 21 Aug 2007 01:56:31 -0700
I'm trying to develop a form having an icon that, depending on some
events, I must move in a different location.
I can draw an icon in the proper position :
Dim MyIcon As New Icon("icon.ico")
....
formGraphics.DrawIcon(MyIcon ...
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Can GDI+ create such a graph?
(12 messages)
Date: Mon, 20 Aug 2007 20:33:03 -0000
Hi,
I am new to GDI+, our client is interested in have their web-based
project management generate some roadmaps that look like the one
below:
http://farm2.static.flickr.com/1226/1185331048_5d0b41e7f8_o.png
The duration ...
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Looking for a better way
(2 messages)
Date: Mon, 20 Aug 2007 11:00:54 -0500
Hello Everyone,
I have a need to generate images similar to what you would see in a periodic
table of elements or on a Scrabble board. It seems that I can get the
painted on the image, but laying the image out properly ...
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Bitmap.MakeTransparent() and Bitmap.Save()
(1 messages)
Date: Mon, 20 Aug 2007 01:15:35 -0700
Hi,
I've found quite a lot of messages and posts by developers at a loss
as to how to use MakeTransparent() to generate a GIF89 image with a
transparent color...but I've come across a particular problem that
I've yet to ...
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Cut Image Into Pieces
(1 messages)
Date: Sat, 18 Aug 2007 20:00:00 -0700
Hi Everyone,
I have a scanned Image that is a newspaper page. what i am looking is a way
or tool to automaitcally divide the image into pieces (the image like
newspaper is made of unequal columns or regions).
any ideas?
thanks ...
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Combining Single Page TIFFs into 1 multipage TIFF
(3 messages)
Date: Fri, 17 Aug 2007 14:36:36 -0500
I have a directory full of single page TIFFs. I would like to write a
program that will combine all of them into 1 multipage TIFF. Here is my
code. I am getting a "Parameter not valid" error message when performing
the ...
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Image Quality loss
(4 messages)
Date: Thu, 16 Aug 2007 07:02:29 -0700
As a beginner to GDI, I think I'm doing someting fairly
straightforward, loading and saving an image, but it seems te lead to
a loss of quality. What can be the reason for this loss, and how would
I go about it to fix this ...
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Dynamic resizing - should be simple?
(3 messages)
Date: Tue, 14 Aug 2007 08:51:29 -0500
I've got a picture box inside a picture box. I would like to be able to
move it and scale it. I've got the moving part down, and currently have a
"make bigger" and "make smaller" button that scale the image by some fixed ...
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ArgumentException and OutOfMemoryException in Bitmap constructor
(4 messages)
Date: Mon, 13 Aug 2007 11:11:41 -0700
I'm trying to write a program that spins through a List collection of
Image objects and manipulates them. Unfortunately I keep encountering
exceptions where I don't understand why they're happening. I've
stripped down my ...
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comparing two images
(2 messages)
Date: Mon, 13 Aug 2007 07:12:26 -0700
Hi,
I am developing an application to verify firmware for an embedded device.
One aspect involves verifying the display of the device. What I'm doing now
is rendering an image of what the screen *should* look like alongside ...
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copy and paste region
(9 messages)
Date: Mon, 13 Aug 2007 01:20:01 -0700
Hi everyone,
how can i draw a region (polygon or Ellipse) on a bitmap, copy the region i
markes and paste it on a othe image or picture box?
thanks,
Ruby ...
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Animated GIFs
(2 messages)
Date: Fri, 10 Aug 2007 12:20:01 -0700
Is there a way to download an animated GIF from the internet. Easy enough to
get a still, but when I try it with an animated, I just get the image that is
on the screen at the instant I press the save key.
--
Mac ...
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A Graphics object cannot be created from an image that has an inde
(3 messages)
Date: Fri, 10 Aug 2007 05:48:01 -0700
Hi ,
Bellow is my code.
Dim img As Image = System.Drawing.Image.FromFile("E:\Images\form.gif")
Dim gr As System.Drawing.Graphics = Graphics.FromImage(img)
------------------
Error line : Dim gr As System.Drawing ...
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How to load .psd in asp.net
(2 messages)
Date: Fri, 10 Aug 2007 04:42:02 -0700
Hi,
1) Load a theme which is .psd (Adobe Photoshop) file in asp.net.
The .psd file contains layers a) which starts with Fill, b) Which starts
with Clipart
2) Allow a user to select some image(.jpg).
3) Allow ...
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Error : A generic error occurred in GDI+.
(1 messages)
Date: Thu, 9 Aug 2007 01:34:04 -0700
HI Everybody
I am facing a problem ... with the .Net GDI class...
now my problem is i have a 003.tif image which include 14 different pages on
it.now i wanted to split those 14 pages in to 14 different images....
In ...
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Problem rotating TIF
(1 messages)
Date: Tue, 7 Aug 2007 09:44:31 -0500
I've got code to rotate a tif that works fine if the tif is generated from
the Word MODI printer, but not for tif files coming in from our fax server.
I'm assuming the files are in different tif settings / compressions / ...
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