Mercurial > projects > dwt-samples
annotate snippets/opengl/Snippet174.d @ 120:1f0a7a472680
fix rm snippets from module statements.
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 20 Jul 2008 19:17:23 +0200 |
| parents | 4a04b6759f98 |
| children |
| rev | line source |
|---|---|
| 78 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2005 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * Sebastian Davids - initial implementation | |
| 10 * IBM Corporation | |
| 11 * Port to the D programming language: | |
| 12 * Bill Baxter <bill@billbaxter.com> | |
| 13 *******************************************************************************/ | |
|
120
1f0a7a472680
fix rm snippets from module statements.
Frank Benoit <benoit@tionex.de>
parents:
78
diff
changeset
|
14 module opengl.Snippet174; |
| 78 | 15 |
| 16 /* | |
| 17 * SWT OpenGL snippet: draw a square | |
| 18 * | |
| 19 * This snippet requires the experimental org.eclipse.swt.opengl plugin, which | |
| 20 * is not included in SWT by default and should only be used with versions of | |
| 21 * SWT prior to 3.2. For information on using OpenGL in SWT see | |
| 22 * http://www.eclipse.org/swt/opengl/ . | |
| 23 * | |
| 24 * For a list of all SWT example snippets see | |
| 25 * http://www.eclipse.org/swt/snippets/ | |
| 26 * | |
| 27 * @since 3.2 | |
| 28 */ | |
| 29 import dwt.DWT; | |
| 30 import dwt.dwthelper.Runnable; | |
| 31 import dwt.widgets.Display; | |
| 32 import dwt.widgets.Shell; | |
| 33 import dwt.graphics.Rectangle; | |
| 34 import dwt.events.ControlEvent; | |
| 35 import dwt.events.ControlAdapter; | |
| 36 import dwt.layout.FillLayout; | |
| 37 import dwt.opengl.GLCanvas; | |
| 38 import dwt.opengl.GLData; | |
| 39 | |
| 40 import derelict.opengl.gl; | |
| 41 import derelict.opengl.glu; | |
| 42 | |
| 43 import Math = tango.math.Math; | |
| 44 | |
| 45 public static void main() | |
| 46 { | |
| 47 DerelictGL.load(); | |
| 48 DerelictGLU.load(); | |
| 49 | |
| 50 Display display = new Display(); | |
| 51 Shell shell = new Shell(display); | |
| 52 shell.setText("OpenGL in DWT"); | |
| 53 shell.setLayout(new FillLayout()); | |
| 54 GLData data = new GLData(); | |
| 55 data.doubleBuffer = true; | |
| 56 final GLCanvas canvas = new GLCanvas(shell, DWT.NO_BACKGROUND, data); | |
| 57 canvas.addControlListener(new class ControlAdapter { | |
| 58 public void controlResized(ControlEvent e) { | |
| 59 resize(canvas); | |
| 60 } | |
| 61 }); | |
| 62 init(canvas); | |
| 63 (new class Runnable { | |
| 64 public void run() { | |
| 65 if (canvas.isDisposed()) return; | |
| 66 render(); | |
| 67 canvas.swapBuffers(); | |
| 68 canvas.getDisplay().timerExec(15, this); | |
| 69 } | |
| 70 }).run(); | |
| 71 shell.open(); | |
| 72 while (!shell.isDisposed()) { | |
| 73 if (!display.readAndDispatch()) display.sleep(); | |
| 74 } | |
| 75 display.dispose(); | |
| 76 } | |
| 77 | |
| 78 static void init(GLCanvas canvas) { | |
| 79 canvas.setCurrent(); | |
| 80 resize(canvas); | |
| 81 glClearColor(1.0f, 1.0f, 1.0f, 1.0f); | |
| 82 glColor3f(0.0f, 0.0f, 0.0f); | |
| 83 glClearDepth(1.0f); | |
| 84 glEnable(GL_DEPTH_TEST); | |
| 85 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); | |
| 86 } | |
| 87 | |
| 88 static void render() { | |
| 89 static int rot = 0; | |
| 90 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 91 glLoadIdentity(); | |
| 92 glTranslatef(0.0f, 0.0f, -6.0f); | |
| 93 glRotatef(rot++, 0,0,1); | |
| 94 rot %= 360; | |
| 95 glBegin(GL_QUADS); | |
| 96 glVertex3f(-1.0f, 1.0f, 0.0f); | |
| 97 glVertex3f(1.0f, 1.0f, 0.0f); | |
| 98 glVertex3f(1.0f, -1.0f, 0.0f); | |
| 99 glVertex3f(-1.0f, -1.0f, 0.0f); | |
| 100 glEnd(); | |
| 101 } | |
| 102 | |
| 103 static void resize(GLCanvas canvas) { | |
| 104 canvas.setCurrent(); | |
| 105 Rectangle rect = canvas.getClientArea(); | |
| 106 int width = rect.width; | |
| 107 int height = Math.max(rect.height, 1); | |
| 108 glViewport(0, 0, width, height); | |
| 109 glMatrixMode(GL_PROJECTION); | |
| 110 glLoadIdentity(); | |
| 111 float aspect = cast(float) width / cast(float) height; | |
| 112 gluPerspective(45.0f, aspect, 0.5f, 400.0f); | |
| 113 glMatrixMode(GL_MODELVIEW); | |
| 114 glLoadIdentity(); | |
| 115 } | |
| 116 |