drawing

How to generate an image from text on fly at runtime

Can anyone guide how to generate image from input text. Image might have any extension doesn't matter. ...

C# Drawstring clear rectangle Or no rectangle? possible

here is the code i'm using, i really need to make it so the text does not appear inside of a box. is that possible? int width = (int)g.MeasureString(line, f).Width; int height = (int)g.MeasureString(line,f).Height; b = new Bitmap(b, new Size(width, height)); g = Graphics.FromImage(b); g.Clear(Color.Empty); g.DrawString(line,f, new S...

Drawing more than one rectangle with Java (awt)

Here's my code: class Ramka extends JFrame { public static final int SZEROKOSC = 800; public static final int WYSOKOSC = 600; Container powZawartosci = getContentPane(); public Ramka() { setSize(SZEROKOSC, WYSOKOSC); setTitle("Siatka bryły by Paweł Mysior"); } public void addRectan...

How can I modify my code to line through the bezier control points?

HI all - I am using anchor points and control points to create a shape using curveTo. It's all working fine, but I cannot figure out how to get my lines to go through the center of the control points (blue dots) when the line is not straight. Here is my code for drawing the shape: // clear old line and draw new / begin fil...

Cocoa / Objective-C: Draw Rectangle on Button Click

Hellow stackoverflow people, I am pretty new to Cocoa. I have XCode 3.1 Situation: I have a NSObject subclass: (AppController) with an action, linked to a button. Than i have a custom View, connected to my NSView subclass (AppView), in the drawRect command i draw a rectangle (all that stuff works), i have in the AppView.m a function - (...

C# Drawing, Strange Behaviour

Hi, the following code is fairly straight forward - it fills a design surface with randomnly selected pixels - nothing special (ignore the XXXXXXX's in the 2nd method for now). private void PaintBackground() { Random rnd = new Random(); Bitmap b = new Bitmap(this.Width, this.Height); for (int vertical = 0; vertical < this.H...

how to draw a rectangle in iron python. demos required

Hello everybody, can some one please show a demo of drawing a rectangle in iron python and appending it to form. p.s real problem is there is no such documentory in web about drawing in iron python.. and that sucks hard. Sincerely, Eugene. ...

Cocoa: Accepting and responding to keystrokes

Hey everyone, I'm a newbie and I have what I anticipate will be a pretty easy question to answer. In order to learn a bit about event handling and drawing, I'm attempting to write a program that draws a black rectangle that increases in length every time the user hits the 'c' key. So far it just draws a black rectangle on a blue backgr...

Export image as encoded geometry path

I have to set the Path.Data property of a Shape class. This I believe requires an encoded geometry path for the shape. Does anyone know of any software that will allow me to design my shape (for example MS Expression Design, Paint.NET, etc) and then be able to extract the encoded geometry path? ...

Draw standard NSImage inverted (white instead of black)

I'm trying to draw a standard NSImage in white instead of black. The following works fine for drawing the image in black in the current NSGraphicsContext: NSImage* image = [NSImage imageNamed:NSImageNameEnterFullScreenTemplate]; [image drawInRect:r fromRect:NSZeroRect operation:NSCompositeSourceOver fraction:1.0]; I expected NSComposi...

Out Of Memory exception on System.Drawing in a Windows Service

Hi, I am getting in out of memory exception while using system.drawing intensively in my windows service. here is a part of my code: FileStream fs = new FileStream(ImagePath, FileMode.Open, FileAccess.Read); img = (Image)Image.FromStream(fs).Clone(); The exception is not only raised in this point, it is also raised in other points so...

What's the best way to position interconnected nodes in a 2d graph?

I have a list (graph?) of nodes, and each node is connected to other nodes in the list one or more times. I want to take these nodes and lay them out in a nice 2d diagram with lines connecting them together in an optimal way. What's the best algorithm for doing this so that they're spaced evenly apart and the lines connecting them are ...

Qt - Drawing a Rect/Frame out of a bigger Pixmap image.

Hi there, I've been banging my head about this seemingly easy task and I could really use some help. I have a wide Image loaded in the gui (using the designer..) and I want to be able to draw only a portion of it, a rectangle. I need to be able to change this rectangle position over the large image, in order to draw a different part of ...

Byte codes for pixel maps for Ascii characters?

Anyone who ever had to draw text in a graphics application for pre-windows operating systems (i.e. Dos) will know what I'm asking for. Each ASCII character can be represented by an 8x8 pixel matrix. Each matrix can be represented by an 8 byte code (each byte used as a bit mask for each line of the matrix, 1 bit representing a white pixe...

Constraining the drawing of a line to 45 degree angles

I have the start point (x1,y1) and the desired length and angle of the line. If the angles were directions, 0 degrees is W, 90 is N, 180 is E and 270 is S. I can modify this if needed. How can I use the start point, length and angle to determine the end point(x2, y2)? ...

How to cut a "hole" inside a rectangular Sprite to see the Sprite underneath? (ActionScript 3)

Everytime I google this question I see confusing information about masks and blends, none of which seems to directly apply to what I think should be an easy thing... There are three Sprites involved here...the lowest layer sprite is pretty much a background. I want to overlay a translucent Sprite on top of the background and then I want...

Drawing with .NET

I am looking for some Drawing class (Package) that will enable me in a easy way to draw images like the following. I have no Experience with Drawing so I will be glad to hear suggestions. My pic link ...

User interactive Drawings

Hello all I want to draw at my winforms application some CAD drawings. Also I will need some parts of the drawings from them be a user interactive (Interactive with the mouse) . Any idea what technology should i use for drawings here ? Thanks . ...

Dynamic Curves in silverlight

I am writing a graphic editor kind of thing in silverlight 3 to customize tee shirts. there is a functionality to create curved lines i.e. user draws a straight line and then there is a slider to control the radius of curve and as user changes the radius the curve should be update accordingly. I am really unable to find any link on the ...

Drawing a NSImage into NSView subclass

Here's my code so far (in the draw rect): // Drawing code here. NSLog(@"%@", [[NSBundle mainBundle] pathForResource:@"NoiseBGMainView" ofType:@"jpg"]); NSURL *pathToBGImage = [[NSURL alloc] initWithString:[[NSBundle mainBundle] pathForResource:@"NoiseBGMainView" ofType:@"jpg"]]; NSImage *NoiseBGMainView = [[NSImage alloc] initWithConten...