Anybody know how/if you can get the actual vectors/curves from a particular font's characters? I'm interested in creating actual shapes for various graphics apps that don't have such a feature. Thanks, Chris ...more >>

I'm new to GDI+ programing but I've studied Bob Powells site and also reviewed many news group posting. What I am attempting to do is put a small image (bm2) on top of a larger image (bm1). According to some other posting the below code should do the job, but it just saves the large image in t...more >>

Has anyone ever heard of this? I congratulate you as one of the Global Afro Asia sweepstakes lottery winner. N.B: Your winner's Award certificate would be sent with your Cheque. Without the winner's certificate presented at your local bank, you won't be able to claim the money and it might ca...more >>

I am creating an array of TextBoxes and buttons on a windows form. When I switch to a different application and comeback to my app, the TextBoxes and Buttons are rendered very slowly and the user can see the TextBoxes being painted one after the other. The same effect is observed when the form h...more >>

I have chosen to develop a small line drawing application. This should be a simple case of "the wheel is being re-invented" so there should be classes and architecture already in place that I can re-use. Each drawn line is an object, be it a straight or curved line. How can I select the o...more >>

Hi, I have an written a .Net 1.1 app which acts similarly to a browser. It can display text and images, along with transparent background images and background colors. It also does some effects such as rotating fields and images and blinking text. I use double-buffering to avoid flicker wh...more >>

Does anyone have any information on when MDX2.0 will come out of Beta? It seems like its been in Beta for a looong time... Rob ...more >>

Hello, I have an image which is a width of 180 pixel. How can I slice 30 pixel from the left of it so that I have a new image with a width of 150 pixel? Many thanks for any help in advance! Regards Andreas Klemt ...more >>

Hello, I have some images and I want to make one image like X and X to XX How can I do this? Thanks for any help! Regards Andreas Klemt ...more >>

Hello, I'm fairly new to this stuff and am wondering if this is possible. I have a small image (.png) that I want to draw along a path defined as a series of Points, basically like extruding the image along the line. Is there a good way to do this? Thanks! Keith ...more >>

With Win32 programming, we can use SetViewportOrgEx to set origin. But on ..NET, how? Thanks! ...more >>

I have set a file based photo gallery. Thumbnails are generated and saved to disk in a folder called thumbnails inside each gallerys folder. Everything works fine on my local machine. If add new photos and then reload the page i see the new thumbs appear. However if upload the photos to the ...more >>

Hello everyone, I can't find anywhere, what is the best image size for optimal loading (in time) , when the images are on the disk of the computer on which the c# application run. Is there a simple way to check it? I know that when loading images from a remote computer small tiles are th...more >>

Hi Im developing a checkers game under vb.net 2D board is easy, but how to develop a 3D board. http://www.deltmar.ee/mex/laud.jpg like this one i designed in Rhino3D Is there any 3D engine for .NET or any other solution? Best regards; Mex ...more >>

I'm trying, for a week or two, to create a procedure in order to rotate the image in any picturebox control in a cephalometry software. I've found a web site that shows how that can be done: http://vb-helper.com/index_vbnet.html but the problem is that the image doesn't stay at the top, inst...more >>

Hello, I need to load a bitmap from the Shell32.dll into a System.Drawing Bitmap object, but I can find no way to do this. I have got a HBITMAP by using the P/Invoked LoadBitmap() function but there seems to be no way to get this into a System.Drawing Bitmap. What is the best way to do this...more >>

How can I blend two colors together in a specified ratio to get a third color? ...more >>

The MS help as usual explains the bleeding obvious and nothing else. I've noticed a bit of an oddity with the ColorMatrix. If I define the matrix like this 2 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 then it should double all the red values in the bitmap eg an RGB color of 01 01...more >>

Hello everyone! I'm fairly new to GDI+ but I'm loving it. I have written some neat stuff and I am very happy about how it's working out. Of course, there's always a problem. I am having an issue where the form I am using is rendering differently on different machines. It's like the coordi...more >>

I have created a simple web application in ASP.NET 1.1 that reads a folder and displays images to a browser. The images when processed by the below code get a significant kick in saturation. Can someone point me in the right direction on how to avoid this. Sub StreamPic(strPath as String) ...more >>

private Bitmap CreateGrayscaleBitmap(int width, int height) { Bitmap bmp = new Bitmap(width, height, PixelFormat.Format8bppIndexed); ColorPalette cp = bmp.Palette; for (int i = 0; i < 256; i++) { cp.Entries[i] = Color.FromArgb(i, i, i); bmp.Palett...more >>

First I want to complement you on you FAQ, i've literally read the whole thing from top to bottom and gained much useful information from it. I noticed a couple of bugs (the first 1 isn't really a bug) and wanted to let you know. I couldn't find an email address on the site so thought I'd post...more >>

Hi, can we talk about image compression. How we can archive it, compression ratio ??? are you hear about fractal image compression ? ...more >>

if (srcImg.PixelFormat != PixelFormat.Format24bppRgb) { throw new ArgumentException("Invalid pixel format, only support 24b pixel"); } // get source image size int width = srcImg.Width; int height = srcImg.Height; // lock source bitmap data BitmapData srcData = srcImg.LockBit...more >>

Hi, I'm studying image processing with C#. I'm implement a application can change image form color to grayscale. My app work well with image this have BitmapData.Stride = 3 * Bitmap.Witdh. I know that, BitmapData.Stride representation a width, but i don't know why some image, Stride > width * ...more >>

I am trying to extract part (1024x1024) of a large image (6000x9000x24bpp LZW tiff) Using the ImageFast code from http://weblogs.asp.net/justin_rogers/articles/131704.aspx I am able to load the image really fast. (less than 0.1 second) However when I call the LockBits method on the loade...more >>

Hi, I currently draw many shapes on a graphics object to display on a screen. Now I have a request to rotate some of the shapes, leaving the others alone. I have tried to use the Matrix to transform a GraphicsPath, but it does not seem to work. If I use the Matrix to transform the entire gra...more >>

I want to draw lines between org parts or other relationships - without purchasing third party tools. Any thoughts on how to start? Just draw some lines at predefined points? ...more >>

I have an older book on GDI using C#. Is MS at GDI+ at the moment? Or is there something newer? Thanks. ...more >>

I've been encountering an error when trying to draw to a Bitmap. This error only occurs after trying to draw to the bitmap 10,000+ times or so. Any ideas on what the issue might be? I'm not sure how I can go about debugging a "general error" Encounter unexpected exception in timerRefresh_Tick:...more >>

Is there a function that will load a bitmap file directly to a thumbnail image? When you select “View Thumbnails” in explorer, thumbnail images are displayed for each file in the current directory. The thumbnail view works even if the image files, bitmaps in this case, are huge, e.g., 60...more >>

Greetings, We've got a strange ComboBox redrawing issue. It seems as though we have a ComboBox which wants to draw the window rectangle region that was immediately behind it upon activation. We can drag the window around and the image that was clipped follows the window. The ComboBox never dr...more >>

I am directly loading the raw RGB pixel data for a 24 bit bitmap file into a byte array. What is the most efficient way of using this data to generate images in the framework? For example, I have all the raw RGB data for an 864 * 28939 image stored in a byte array. How can I generate smaller i...more >>

Hi, I receive an exception when saving my files to bitmap (ImageFormat.Bmp)... here is the detail of the exception : 2006/09/04 10:14:42,6400 System.Runtime.InteropServices.ExternalException: A generic error occurred in GDI+. at System.Drawing.Image.Save(String filename, ImageCodecInfo e...more >>

Is there a limit to the dimensions of an image that GDI+ can handle? I have an image 1728 * 30000 which works fine, but I've just tried an image with the dimensions 1728 * 58317 and this is giving me the following error: Parameter is not valid. Description: An unhandled exception occurred dur...more >>

Hi, problem is in extension of font that I need to use in PrivateFontCollection I need to use in my code font file (i.e. wst_engl.fon) but not TrueType file (*.ttf), but PrivateFontCollection.AddFontFile raises exception, it can't accept .fon type file,but normally accepts *.ttf, how should I ...more >>

If you were to use a control such as the regular textbox and set its BorderStyle to Fixed3D, the border drawn around the textbox is the nice XP style border however, if I create a custom control and sets the BorderStyle property to Fixed3D, I get the old 3D (sunken) style. Why this inco...more >>

Hi, I have an array of Bitmap images which I am trying to Serialize. I was having a problem Serializing the Bitmaps directly (Although I'm not sure why, the documentation seems to indicate it is Serializable?) but when I try to save the Bitmaps from the array structure an error is thrown. ...more >>