Actually this depends on the shader language one uses. In HLSL and Cg a ternary operator will never lead to branching. Instead both possible results are always evaluated and the not used one is being discarded. To quote the HLSL documentation: Unlike short-circuit evaluation of &&, ||, and ?: in C, HLSL expressions never short-circuit … Read more
Opencv (image processing and computer vision library written in c) has implementation for hough transform (the simple hough transform find lines in an image, while the generalized one finds more complex objects) so that could be a good start. For the rectangles which do have closed corners there are also corner detectors such as cornerHarris … Read more
A couple of notes: First off, the reason that things become progressively slower is that you’re drawing more and more and more overlapping lines in the same position. A quick fix is to clear the plot each time: import numpy as np import matplotlib.pyplot as plt x = np.linspace(0, 10, 100) y = np.sin(x) plt.figure() … Read more
If you meant ‘how do I use an arrow marker on a <line> element?’ then here’s how you do that: <line x1=”100″ y1=”230″ x2=”300″ y2=”230″ marker-end=”url(#yourMarkerId)” stroke=”black” stroke-width=”10″/> Here’s a full example. And note that marker-end is a css property, so you can also put that part in a stylesheet if you want. If you … Read more
A synthesis of the answers to this post, the answers to Consty’s, and my own research: What works: Use GraphicsConfiguration.createCompatibleImage to create images compatible with what you’re drawing on. This is absolutely essential! Use double-buffered drawing via Canvas.createBufferStrategy. Use -Dsun.java2d.opengl=True where available to speed up drawing. Avoid using transforms for scaling. Instead, cache scaled versions … Read more
You can do this by specifying PenAlignment Pen pen = new Pen(Color.Black, 2); pen.Alignment = PenAlignment.Inset; //<– this g.DrawRectangle(pen, rect);
If you want to set the form’s back color to some arbitrary RGB value, you can do this: this.BackColor = Color.FromArgb(255, 232, 232); // this should be pink-ish
What about D Programming Language? Some links requested in the comment: Win32 Api Derelict (Multimedia lib)
… or is there something I can do to fix it other telling people to disable Threaded “Optimization”? Yes. You can create custom “Application Profile” for your game using NVAPI and disable “Threaded Optimization” setting in it. There is a .PDF file on NVIDIA site with some help and code examples regarding NVAPI usage. In … Read more