Mercurial > projects > dwt2
annotate org.eclipse.swt.snippets/src/org/eclipse/swt/snippets/Snippet174.d @ 125:c43718956f21 default tip
Updated the snippets status.
| author | Jacob Carlborg <doob@me.com> |
|---|---|
| date | Thu, 11 Aug 2011 19:55:14 +0200 |
| parents | 6f2199435268 |
| children |
| rev | line source |
|---|---|
| 28 | 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 *******************************************************************************/ | |
| 14 module org.eclipse.swt.snippets.Snippet174; | |
| 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 org.eclipse.swt.SWT; | |
| 30 import org.eclipse.swt.widgets.Display; | |
| 31 import org.eclipse.swt.widgets.Shell; | |
| 32 import org.eclipse.swt.graphics.Rectangle; | |
| 33 import org.eclipse.swt.events.ControlEvent; | |
| 34 import org.eclipse.swt.events.ControlAdapter; | |
| 35 import org.eclipse.swt.layout.FillLayout; | |
| 36 import org.eclipse.swt.opengl.GLCanvas; | |
| 37 import org.eclipse.swt.opengl.GLData; | |
| 38 | |
|
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39 import java.lang.all; |
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40 |
| 28 | 41 import derelict.opengl.gl; |
| 42 import derelict.opengl.glu; | |
| 43 | |
| 112 | 44 version(Tango){ |
| 45 import Math = tango.math.Math; | |
| 46 } else { // Phobos | |
| 47 import Math = std.algorithm; | |
| 48 } | |
| 28 | 49 |
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50 void main() |
| 28 | 51 { |
| 52 DerelictGL.load(); | |
| 53 DerelictGLU.load(); | |
| 54 | |
| 55 Display display = new Display(); | |
| 56 Shell shell = new Shell(display); | |
| 57 shell.setText("OpenGL in SWT"); | |
| 58 shell.setLayout(new FillLayout()); | |
| 59 GLData data = new GLData(); | |
| 60 data.doubleBuffer = true; | |
| 112 | 61 GLCanvas canvas = new GLCanvas(shell, SWT.NO_BACKGROUND, data); |
| 28 | 62 canvas.addControlListener(new class ControlAdapter { |
| 63 public void controlResized(ControlEvent e) { | |
| 64 resize(canvas); | |
| 65 } | |
| 66 }); | |
| 67 init(canvas); | |
| 68 (new class Runnable { | |
| 69 public void run() { | |
| 70 if (canvas.isDisposed()) return; | |
| 71 render(); | |
| 72 canvas.swapBuffers(); | |
| 73 canvas.getDisplay().timerExec(15, this); | |
| 74 } | |
| 75 }).run(); | |
| 76 shell.open(); | |
| 77 while (!shell.isDisposed()) { | |
| 78 if (!display.readAndDispatch()) display.sleep(); | |
| 79 } | |
| 80 display.dispose(); | |
| 81 } | |
| 82 | |
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parents:
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83 void init(GLCanvas canvas) { |
| 28 | 84 canvas.setCurrent(); |
| 85 resize(canvas); | |
| 86 glClearColor(1.0f, 1.0f, 1.0f, 1.0f); | |
| 87 glColor3f(0.0f, 0.0f, 0.0f); | |
| 88 glClearDepth(1.0f); | |
| 89 glEnable(GL_DEPTH_TEST); | |
| 90 glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); | |
| 91 } | |
| 92 | |
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parents:
112
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93 void render() { |
| 28 | 94 static int rot = 0; |
| 95 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); | |
| 96 glLoadIdentity(); | |
| 97 glTranslatef(0.0f, 0.0f, -6.0f); | |
| 98 glRotatef(rot++, 0,0,1); | |
| 99 rot %= 360; | |
| 100 glBegin(GL_QUADS); | |
| 101 glVertex3f(-1.0f, 1.0f, 0.0f); | |
| 102 glVertex3f(1.0f, 1.0f, 0.0f); | |
| 103 glVertex3f(1.0f, -1.0f, 0.0f); | |
| 104 glVertex3f(-1.0f, -1.0f, 0.0f); | |
| 105 glEnd(); | |
| 106 } | |
| 107 | |
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536e43f63c81
Comprehensive update for Win32/Linux32 dmd-2.053/dmd-1.068+Tango-r5661
Denis Shelomovskij <verylonglogin.reg@gmail.com>
parents:
112
diff
changeset
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108 void resize(GLCanvas canvas) { |
| 28 | 109 canvas.setCurrent(); |
| 110 Rectangle rect = canvas.getClientArea(); | |
| 111 int width = rect.width; | |
| 112 int height = Math.max(rect.height, 1); | |
| 113 glViewport(0, 0, width, height); | |
| 114 glMatrixMode(GL_PROJECTION); | |
| 115 glLoadIdentity(); | |
| 116 float aspect = cast(float) width / cast(float) height; | |
| 117 gluPerspective(45.0f, aspect, 0.5f, 400.0f); | |
| 118 glMatrixMode(GL_MODELVIEW); | |
| 119 glLoadIdentity(); | |
| 120 } | |
| 121 |