Posts in microsoft.public.dotnet.framework.drawing

Changing Font mid line  Replies (2) 16 January 2006
Hi, there. I was wondering if anyone has any ideas about how to change fonts. I'd like to display text such as the following (pretend you understand html) Mary had a little lamb. Here are th...

how to get the histogram of a specified region in ...  Replies (1) 15 January 2006
the fuction works like this: void getHistogram(IN Bitmap &bitmap, IN Region ®ion, IN int colorChannel ,OUT int *histogram ) where colorChannel could be R or G or B which functions in gdi...

Printint  Replies (1) 14 January 2006
I'm trying to print a image with PrintDocument Class, i create the eventHandler of printpage and draw bitmap with the Graphics object, but my problem is the next. I have a 300ppp jpg image and i w...

error selecting GiF animation for Picturebox Image ...  Replies (1) 13 January 2006
I have a gif animation file prepared in ImageReady that plays fine in IE6 and ACDSee8. When I try to select it as the 'Image property of a PictureBox, using the Import / Local facility off the ...

new Bitmap(string) permanently locks file... but n ...  Replies (1) 13 January 2006
hi, i'm having problems with the Bitmap construtor. The documentation states that when i create new Bitmap object from a file the the file gets locked until bitmap is disposed. I've been trying t...

Component for the fastest creation of multipage ti ...  Replies (1) 13 January 2006
Hi, I'm looking to speed up my programs that combine tiffs. I'm currently using Informatik's TiffDLL50 ActiveX component which works great but I'm investigating alternatives that might be faste...

Why so much trouble with ellipses?  Replies (1) 13 January 2006
In a recent post of mine I mentioned the inaccurate shapes drawn by FillEllipse. In the response that I recieved I was told that DrawArc had less problems, which I found to be true (I have been us...

Is Transparency Mask Possible?  Replies (1) 13 January 2006
Hello, Have been trying to figure out if there is any way in .NET to draw a GDI+ image using a transparency mask. For example, say I have a normal Bitmap 800x600 of a person walking on the bea...

ImageMagick -> Image  Replies (1) 12 January 2006
Hi, this is probably not the correct group but... Whats the most efficient way of converting a Magick::Image (www.imagemagick.org/Magick++) to a System::Drawing::Image. My best solution so...

Get color depth of an icon  Replies (1) 12 January 2006
Hi does anyone know how to get the color depth of an icon ? I tried converting it to a bitmap (Icon.ToBitmap().PixelFormat) but it always gives 32 bpp ARGB, even if I loaded it from an Ico file...

GDI Error  Replies (1) 12 January 2006
Can someone tell me why I'm getting the error: System.Runtime.InteropServices.ExternalException: A generic error occurred in GDI+. I'm getting the error on the line that does the Save (last line...

Get Hex value from System.Drawing.Color Name  Replies (1) 12 January 2006
Can somone enlighten me? How do I get the hex value from a named color? I want to print it into a table: using System.Reflection; Type type = typeof(System.Drawing.Color); Prop...

Graphics Rotate Transform  Replies (1) 12 January 2006
I think what I want to do should be relatively easy, but I can't seem to come up with the proper values. 1. Take an image and resize to a specific W and H 2. I want to rotate the image 10 degrees...

PixelFormat.Format8bppIndexed in Bitmap Hangs!  Replies (1) 12 January 2006
Hello, I'm trying to convert Images using Bitmap class. I want to use different options for example reduce the size of image. In my code I tried to create a Bitmap class instance with a Bi...

PrivateFontCollections and PrintPreview controls  Replies (1) 11 January 2006
I am having a heck of a time getting a Printing.PrintDocument and a print preview control to use fonts in a private font collection. I've got a simple form that contains a textbox (for the TTF fil...

GDI+ is not pixel perfect  Replies (2) 11 January 2006
Hi, A simple test, override the OnPaint method of a form protected override void OnPaint(PaintEventArgs e) { base.OnPaint(e); e.Graphics.DrawLine(new Pen(Color.Black), 10, 10, 15, 10); ...

Dpi problem  Replies (1) 10 January 2006
I'm porting a MacOSX application to Windows. On windows I'm mainly using .NET (and a bit of GNUstep as well). Anyway this application has a lot of image resource. Whenever I display this picture ...

Including HTML When Outputing a Dynamically Drawn ...  Replies (1) 10 January 2006
I have a web page that's taking in data from text boxes, drawing a chart to represent the data, and then outputting the chart in PNG format. What I cant figure out how to do, is to output the chart...

storing an image?  Replies (1) 10 January 2006
I have a windows application that uses a few "base" images. I call them base images because my code only loads these images up once, and during the course of user interaction, create new images (...

Scrolling OwnerDrawn Controls  Replies (2) 9 January 2006
Hi, I have an issue I've been battling with for a few weeks. I've tried to describe it in as much (relevant) detail as possible. I'd be grateful for any help! I have a control which has the...

Drawstring padding rendered text  Replies (1) 8 January 2006
Hello This is probably not the most exciting saturday night topic, but still needs attention. On a project I'm working on I need to create a custom control for presenting textual information. S...

comic de San Juan.  Replies (1) 7 January 2006
comic de San Juan. http://www.teneyi.net/cici/comic/juan_comics/juan1.htm...

Working with Region  Replies (1) 6 January 2006
Hello everyone, I am working on a project with our marketing department. the app is basicly a kiosk. we want to to change the look and feel of it at their whim. So I have written the app and ...

Drawing Text onto Image  Replies (2) 5 January 2006
Hello All, I am having problems maintaining image quality when drawing text onto an image. I have a reasonable good quality GIF file with a transparent background. Whenever I write text onto...

Print in Landscape mode  Replies (1) 5 January 2006
Hi, I want to print in Landscape format from an aspx page (when ever the user chooses print from the browser or a print button on the form). I load aspx controls dynamically on the page. I used the...

A newbie problem with gdiplus.h...  Replies (1) 5 January 2006
Could anybody kindly point to a reason of my problem : I started a new Win32 application in the VS 2005 C++ with precompiled headers. This is my stdafx.h => **************** #pragma once #i...

PNG and New FileStream() No Longer Works in .Net ...  Replies (2) 3 January 2006
I'm guessing this is a fairly simple issue but unfortunately I'm not seeing the answer. When using GDI+ to output a PNG, a filestream is required, such as: Dim myFileStream As New FileStrea...

PrivateFontCollection Problem  Replies (1) 3 January 2006
Hi Bob Powell, I have a question about loading fonts into the PrivateFontCollection. I've implemented the sample code you've got on GDI+ FAQ article about the subject (and many thanks for that...

Newbie: How to write a string  Replies (2) 3 January 2006
hi! Here I am again... I am doing some experiments with graphics and have some problem. I want to write a string directly on a picture box. Each time the user press a key a new letter is added. I...

JPEG To Transparent PNG  Replies (1) 3 January 2006
Hello, How do I convert a Jpeg/bmp/gif to transparent PNG using GDI+ all in memory. I really do not want to save to hard disk at all. Any code in C# or B# = VB.NET Thanks for any help, li...

Text Length  Replies (1) 3 January 2006
Hi, How can I set text length when printing using C#. in msdn it shows how to get no of line. float linesPerPage = e.MarginBounds.Height / printFont.GetHeight(e.Graphics); Thanks...