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all groups > dotnet drawing api > june 2004 > threads for june 1 - 7, 2004

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Any function to identify it is animated Gif or not animated Gif
Posted by john NO[at]SPAM e-classifiedad.com at 6/7/2004 9:30:46 PM
Dear all, May be this might be a silly question but just want to know whether Asp.net/.Net framework has any function or class to identity whether the image is animated or not animated gifs. I am uploading an image from users and want to check before saving into the database whether the file ...more >>


How do I draw a TTF character glyph so it fits inside a rectangle?
Posted by Chris at 6/6/2004 5:51:03 PM
I don't want any white space. I want the outer edges of the glyph to touch the boundaries of a rectangle I define....more >>

Transparent Effect with DrawImage
Posted by Nick at 6/6/2004 3:21:02 AM
Hi I have the following quetion. With CompositeMode.SourceCopy i can make the effec with an Image that has Transparent areas to overwrite the below standing and make i "transparent" again. Now what if i'd like some parts to be transparent again (not a rectangle let's say a circle (or a sprite)...more >>

How to Drawstring with a character drawn "partially"?
Posted by kjon at 6/5/2004 1:45:39 PM
Hi, I'm trying to use Drawstring to draw a text which can let the rightmost character of the text only shown partially. Have tried on DrawString(String, Font, Brush, RectangleF), which I can size the rectangle with the text that fit into the rectangle will only be drawn. But I find that if a...more >>

Transparent Bitmap
Posted by Rudolf Ball at 6/5/2004 12:28:16 PM
Dear NG, I have a Bitmap bm, which i receive from a file. I want to return this Bitmap from my method getBitmap, but transparent. How can I make this bitmap fully transparent? Thank you very much Rudi ...more >>

jpeg and its keywords
Posted by andy at 6/5/2004 7:21:02 AM
H My problem is that we have a huge library of images that have been created using ADOBE Photoshop. Each image has been saved with a range of applicable keywords. If I open up the images in say Wordpad I can physically see the keywords listed as text So the problem is that when I use the System....more >>

Loading Tiff files
Posted by Dan Kjaergaard at 6/5/2004 12:52:51 AM
I am using the Image.FromFile method to load tiff files. After loading the tiff files I convert them to jpeg's. However, if the tiff file has an "indexed pixel format" the Image.FromFile method throws an exception. I can't convert the tiff files before loading them because the files are delive...more >>

GDI+ transformation problem: Scaling affects apparent linewidth
Posted by CS at 6/3/2004 5:59:07 PM
Hi, if I set a scale transformation in the Graphics object, not only are coordinates scaled, but also for example line width of a drawing. Is there a way to not have GDI+ scale line width, and still use the built-in transformation system, or does one have to write a separate transformation syst...more >>



Matrix Transformation Question
Posted by johnwelch1024 NO[at]SPAM hotmail.com at 6/2/2004 11:01:02 PM
When using the C# for the Matrix Transformation for a 100x200 panel: 1. To Reverse Y axis, I can: Matrix m = new Matrix(new Rectangle(0,0,100,200), new Point[] { new Point(0,100), new Point(100,200), new Point(0,0)} ); 2. To Reverse X axis, I can: Matrix m = new Mat...more >>

Where is a drawing tool?
Posted by John Mark Howell at 6/2/2004 12:16:04 PM
Ok, I know I'm going to get flamed but does anyone know of a simple drawing tool where I can draw a shaped button and simply make it 3D. For example, a button that simply looks like a bubble of water that I can write text on? For extra credit, how about the ability to animate the button when the...more >>

Create path from bitmap
Posted by Marc Ouellette at 6/2/2004 8:25:08 AM
Hi All, I am working on a program that needs to use lots of shapes. So far I have Oval, rect, rounded rect, triangle and a couple others. But I want to use some really weird shapes like stars and stuff and now sure how to create these by code. So is there a way I can create a black and whit...more >>

BackgroundImage property does not work
Posted by SHoyle at 6/1/2004 3:16:02 PM
I have Visual C# .Net 2003 running on Windows XP Professional. The BackgroundImage will not appear for any control o the form at design time or runtime. If you set an image in the properties window, the thumbnail shows but the image doe not appear in the form or control. This problem is apparent e...more >>

DrawPath Error
Posted by Dave at 6/1/2004 2:30:51 PM
I've got a picture box that has an image loaded, when I try to draw lines on the image the first one works fine. When I try to add more lines I get an "out of memory" error when I click the left mouse button (if I leave the left mouse button down and use the space bar to click ok on the error m...more >>

GDI+ Region Union Problem
Posted by MichaelTPaul at 6/1/2004 5:26:04 AM
Does anyone know of a workaround or solution for the Region Union Problem in .NET framework I am writing an application that needs to use unions of graphics paths and this function flat out does not work. I think it should be an absolute embarassment to have a product out with this kind of hole i...more >>


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