I have an OpenGL ES 1.1 project on iPhone, based heavily on the empty OpenGL ES application given here: http://iphonedevelopment.blogspot.com/2009/06/empty-opengl-es-application-project.html I'm testing on a 3G (not 3GS) device, 8GB. The paint loop in my app which does openGL operations is doing quite a lot each time it renders the sc...
Hello Guys, i want to implement Ms Paint like feature in my web application in c# asp.net. like cropping coloring zooming ,color picker etc . Please tell me is there any pre build tools or application for it.Any pointers and suggestion would be much appreciated. Thanks ! ...
I am trying to mix two source RGB vectors to create a third "resultant vector" that is an intuitive mix of the first two. Ideally, I would be able to emulate "real paint mixing characteristics", but for simplicity, I am trying to find a method where the resultant looks intuitively like what you'd get from combining the two source rgb's...
I have created a class that inherits from QSlider. I want to draw a picture on the slider (grabber) instead of showing the plain one. How to do it? -- I found an answer and posted after I had received the reply. With due respect to the responder, I will choose that reply. However, I'd like to share code so that anyone with the same iss...
Im trying to use the following code to eventually make a game. The code, as shown below, works. import java.awt.event.*; import javax.swing.*; public class GUI extends JFrame implements ActionListener { public static void main(String[] args) { GUI g = new GUI(); } public GUI() { try { UIManager.setLookAndFeel(UIManag...
Hi everyone, How can I tell the paint method to draw background on JPanel only and not on the entire JFrame. My JFrame size is bigger than the JPanel. When I try to paint a grid background for the JPanel, the grid seems to be painted all over the JFrame instead of just the JPanel. Here parts of the code: public class Drawing extends ...
I need to display a large number (500+) of small circles on a form to simulate LEDs. However, these circles need to be quite small, around 8 or 9 pixels diameter. So far, in my testing, I've put together some code that creates an Led class that uses a Shape (Ellipse2D.Double) and displays it directly on the JFrame from the JFrame's pain...
I'm putting a formatted single line text (no \n's) to a noneditable TextView. In the navigation of the program, the text can be changed. On some text, the TextView shrinks to 0x0 pixel and I can see nothing! I added some menus to truncate the text 10 characters each time and I found that if the number of characters are larger than 4470, ...
I am looking for a very simple Paint control in Silverlight. It should allow the user to load an image as background, to paint simple shapes and to add text labels. ...
Hi All, I am writing an info-screen program. I created a full-screen widget and draw contents onto it. In order to extend the life cycle of the TFT-display device, I want to implement a pixel-shifting feature. With other words, in every X minutes, I shift the screen to left/right/top/down for Y pixels. My approach is as follows: I ...
Am i allowed to use a DC outside of a paint cycle? Is my window's DC guaranteed to be valid forever? i'm trying to figure out how long my control's Device Context (DC) is valid. i know that i can call: GetDC(hWnd); to get the device context of my control's window, but is that allowed? When Windows sends me a WM_PAINT message, i am ...
Hi All, I want to paint contents in a multi-thread application using qt. The qt runs in the main thread. I have a thread B to generate paint tasks and to send tasks to qt main thread. Currently, I call "mywidget.update" in thread B, the "mywidget.paintEvent(..)" will be triggered in main thread. My problem is that I cannot pass any o...
I have an application with following windows hierarchy: W1 -W2 (Child of W1) - W3 ( Child of W2) --------------------| | W1|------------| | | |W2 |------| | | | | |W3 | | | | | |------| | | | |------------| | |-------------------| When certain event happens in W2, I call UpdateWindow: W2::onCertainEvent()...
Hi.. i am new to QT, i tried lot searching samples of how to get the button paint event in QT.. i am not getting the way to do it.. how to set the delegates for pushbutton in QT?. how to get the paint event for pushbutton? i read so many articles, it says we can get the paint event of button we can customize too. but i didnt get the ...
Hi, I've got a Problem: In my Java application I've got an AWT Component (cannot change that one) that streams and shows an avi-file. Now I want to draw upon this movie and thought about putting a transparent JPanel above it and draw on that one. This does not work since I either see the avi-stream or the drawn lines but not both. I r...
Hello, I'm building a type of button grid, and the user needs the ability to drag and drop buttons to places within the grid (basically re-ordering). I have the drag and drop done but I want to add extra visual queues for the user. The problem is as far as I can tell the control doesn't repaint itself during the drag and drop process...
Here's my JFrame code: public static void main(String[] args) { JFrame jf = new JFrame(); jf.setSize(600,600); jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); MyCustomWidget widget = MyCustomWidget.createWidget(400, 400); widget.setVisible(true); // just to set x and y widget.setLocation(40, 40); jf....
Hi, I have a single class like this one public class BlockSpawner implements Runnable{ public static long timeToSpawn; private GtrisJFrame frame; public BlockSpawner(GtrisJFrame frame) { this.frame = frame; timeToSpawn = 2000; } public void run() { while(true) { try { Thread.sleep(timeToSp...
Hello I'm currently developing a website in ASP .NET MVC and I require functionality for a user to be able to draw a picture on a canvas which can be saved in a database. What is the best method for doing this? preferably a very lightweight solution. I was thinking flash would be the most accessible platform and there may be some good f...
Similar to the ButtonRenderer class, I want to be able to paint the +/- buttons used in TreeViewNodes completely separately to any instance of a TreeView. There doesn't seem to be a ControlPaint method that does it, and drawing a Button doesn't look right. Where can I get the drawing code for a treeview node from? ...