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authorKenneth Russel <[email protected]>2009-06-15 22:52:34 +0000
committerKenneth Russel <[email protected]>2009-06-15 22:52:34 +0000
commit506b634b780dcd23aa61015c2ceba3e687196abf (patch)
tree897649a36cc769351704a050828f8e0e994c5686 /src/classes/com/sun/opengl/util/GLUT.java
parent04c0c10bfee764dbd0301ae83a0fae695dcb5b23 (diff)
Deleted obsolete source code in preparation for copying JOGL_2_SANDBOX
on to trunk git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@1958 232f8b59-042b-4e1e-8c03-345bb8c30851
Diffstat (limited to 'src/classes/com/sun/opengl/util/GLUT.java')
-rw-r--r--src/classes/com/sun/opengl/util/GLUT.java1341
1 files changed, 0 insertions, 1341 deletions
diff --git a/src/classes/com/sun/opengl/util/GLUT.java b/src/classes/com/sun/opengl/util/GLUT.java
deleted file mode 100644
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--- a/src/classes/com/sun/opengl/util/GLUT.java
+++ /dev/null
@@ -1,1341 +0,0 @@
-/*
- * Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * - Redistribution of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * - Redistribution in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * Neither the name of Sun Microsystems, Inc. or the names of
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * This software is provided "AS IS," without a warranty of any kind. ALL
- * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
- * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
- * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
- * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
- * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
- * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
- * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
- * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
- * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
- * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that this software is not designed or intended for use
- * in the design, construction, operation or maintenance of any nuclear
- * facility.
- *
- * Sun gratefully acknowledges that this software was originally authored
- * and developed by Kenneth Bradley Russell and Christopher John Kline.
- */
-
-package com.sun.opengl.util;
-
-import javax.media.opengl.*;
-import javax.media.opengl.glu.*;
-
-/** Subset of the routines provided by the GLUT interface. Note the
- signatures of many of the methods are necessarily different than
- the corresponding C version. A GLUT object must only be used from
- one particular thread at a time. <P>
-
- Copyright (c) Mark J. Kilgard, 1994, 1997. <P>
-
- (c) Copyright 1993, Silicon Graphics, Inc. <P>
-
- ALL RIGHTS RESERVED <P>
-
- Permission to use, copy, modify, and distribute this software
- for any purpose and without fee is hereby granted, provided
- that the above copyright notice appear in all copies and that
- both the copyright notice and this permission notice appear in
- supporting documentation, and that the name of Silicon
- Graphics, Inc. not be used in advertising or publicity
- pertaining to distribution of the software without specific,
- written prior permission. <P>
-
- THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU
- "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR
- OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF
- MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO
- EVENT SHALL SILICON GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE
- ELSE FOR ANY DIRECT, SPECIAL, INCIDENTAL, INDIRECT OR
- CONSEQUENTIAL DAMAGES OF ANY KIND, OR ANY DAMAGES WHATSOEVER,
- INCLUDING WITHOUT LIMITATION, LOSS OF PROFIT, LOSS OF USE,
- SAVINGS OR REVENUE, OR THE CLAIMS OF THIRD PARTIES, WHETHER OR
- NOT SILICON GRAPHICS, INC. HAS BEEN ADVISED OF THE POSSIBILITY
- OF SUCH LOSS, HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- ARISING OUT OF OR IN CONNECTION WITH THE POSSESSION, USE OR
- PERFORMANCE OF THIS SOFTWARE. <P>
-
- US Government Users Restricted Rights <P>
-
- Use, duplication, or disclosure by the Government is subject to
- restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
- (c)(1)(ii) of the Rights in Technical Data and Computer
- Software clause at DFARS 252.227-7013 and/or in similar or
- successor clauses in the FAR or the DOD or NASA FAR
- Supplement. Unpublished-- rights reserved under the copyright
- laws of the United States. Contractor/manufacturer is Silicon
- Graphics, Inc., 2011 N. Shoreline Blvd., Mountain View, CA
- 94039-7311. <P>
-
- OpenGL(TM) is a trademark of Silicon Graphics, Inc. <P>
-*/
-
-public class GLUT {
- public static final int STROKE_ROMAN = 0;
- public static final int STROKE_MONO_ROMAN = 1;
- public static final int BITMAP_9_BY_15 = 2;
- public static final int BITMAP_8_BY_13 = 3;
- public static final int BITMAP_TIMES_ROMAN_10 = 4;
- public static final int BITMAP_TIMES_ROMAN_24 = 5;
- public static final int BITMAP_HELVETICA_10 = 6;
- public static final int BITMAP_HELVETICA_12 = 7;
- public static final int BITMAP_HELVETICA_18 = 8;
-
- private GLU glu = new GLU();
-
- //----------------------------------------------------------------------
- // Shapes
- //
-
- public void glutWireSphere(double radius, int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_LINE);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluSphere(quadObj, radius, slices, stacks);
- }
-
- public void glutSolidSphere(double radius, int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_FILL);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluSphere(quadObj, radius, slices, stacks);
- }
-
- public void glutWireCone(double base, double height,
- int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_LINE);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, base, 0.0, height, slices, stacks);
- }
-
- public void glutSolidCone(double base, double height,
- int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_FILL);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, base, 0.0, height, slices, stacks);
- }
-
- public void glutWireCylinder(double radius, double height, int slices, int stacks) {
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_LINE);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, radius, radius, height, slices, stacks);
- }
-
- public void glutSolidCylinder(double radius, double height, int slices, int stacks) {
- GL gl = glu.getCurrentGL();
-
- // Prepare table of points for drawing end caps
- double [] x = new double[slices];
- double [] y = new double[slices];
- double angleDelta = Math.PI * 2 / slices;
- double angle = 0;
- for (int i = 0 ; i < slices ; i ++) {
- angle = i * angleDelta;
- x[i] = Math.cos(angle) * radius;
- y[i] = Math.sin(angle) * radius;
- }
-
- // Draw bottom cap
- gl.glBegin(GL.GL_TRIANGLE_FAN);
- gl.glNormal3d(0,0,-1);
- gl.glVertex3d(0,0,0);
- for (int i = 0 ; i < slices ; i ++) {
- gl.glVertex3d(x[i], y[i], 0);
- }
- gl.glVertex3d(x[0], y[0], 0);
- gl.glEnd();
-
- // Draw top cap
- gl.glBegin(GL.GL_TRIANGLE_FAN);
- gl.glNormal3d(0,0,1);
- gl.glVertex3d(0,0,height);
- for (int i = 0 ; i < slices ; i ++) {
- gl.glVertex3d(x[i], y[i], height);
- }
- gl.glVertex3d(x[0], y[0], height);
- gl.glEnd();
-
- // Draw walls
- quadObjInit(glu);
- glu.gluQuadricDrawStyle(quadObj, GLU.GLU_FILL);
- glu.gluQuadricNormals(quadObj, GLU.GLU_SMOOTH);
- /* If we ever changed/used the texture or orientation state
- of quadObj, we'd need to change it to the defaults here
- with gluQuadricTexture and/or gluQuadricOrientation. */
- glu.gluCylinder(quadObj, radius, radius, height, slices, stacks);
- }
-
- public void glutWireCube(float size) {
- drawBox(GLU.getCurrentGL(), size, GL.GL_LINE_LOOP);
- }
-
- public void glutSolidCube(float size) {
- drawBox(GLU.getCurrentGL(), size, GL.GL_QUADS);
- }
-
- public void glutWireTorus(double innerRadius, double outerRadius,
- int nsides, int rings) {
- GL gl = GLU.getCurrentGL();
- gl.glPushAttrib(GL.GL_POLYGON_BIT);
- gl.glPolygonMode(GL.GL_FRONT_AND_BACK, GL.GL_LINE);
- doughnut(gl, innerRadius, outerRadius, nsides, rings);
- gl.glPopAttrib();
- }
-
- public void glutSolidTorus(double innerRadius, double outerRadius,
- int nsides, int rings) {
- doughnut(GLU.getCurrentGL(), innerRadius, outerRadius, nsides, rings);
- }
-
- public void glutWireDodecahedron() {
- dodecahedron(GLU.getCurrentGL(), GL.GL_LINE_LOOP);
- }
-
- public void glutSolidDodecahedron() {
- dodecahedron(GLU.getCurrentGL(), GL.GL_TRIANGLE_FAN);
- }
-
- public void glutWireOctahedron() {
- octahedron(GLU.getCurrentGL(), GL.GL_LINE_LOOP);
- }
-
- public void glutSolidOctahedron() {
- octahedron(GLU.getCurrentGL(), GL.GL_TRIANGLES);
- }
-
- public void glutWireIcosahedron() {
- icosahedron(GLU.getCurrentGL(), GL.GL_LINE_LOOP);
- }
-
- public void glutSolidIcosahedron() {
- icosahedron(GLU.getCurrentGL(), GL.GL_TRIANGLES);
- }
-
- public void glutWireTetrahedron() {
- tetrahedron(GLU.getCurrentGL(), GL.GL_LINE_LOOP);
- }
-
- public void glutSolidTetrahedron() {
- tetrahedron(GLU.getCurrentGL(), GL.GL_TRIANGLES);
- }
-
-/**
- * Renders the teapot as a solid shape of the specified size. The teapot is
- * created in a way that replicates the C GLUT implementation.
- *
- * @param scale
- * the factor by which to scale the teapot
- */
- public void glutSolidTeapot(double scale) {
- glutSolidTeapot(scale, true);
- }
-
- /**
- * Renders the teapot as a solid shape of the specified size. The teapot can
- * either be created in a way that is backward-compatible with the standard
- * C glut library (i.e. broken), or in a more pleasing way (i.e. with
- * surfaces whose front-faces point outwards and standing on the z=0 plane,
- * instead of the y=-1 plane). Both surface normals and texture coordinates
- * for the teapot are generated. The teapot is generated with OpenGL
- * evaluators.
- *
- * @param scale
- * the factor by which to scale the teapot
- * @param cStyle
- * whether to create the teapot in exactly the same way as in the C
- * implementation of GLUT
- */
- public void glutSolidTeapot(double scale, boolean cStyle) {
- teapot(GLU.getCurrentGL(), 14, scale, GL.GL_FILL, cStyle);
- }
-
- /**
- * Renders the teapot as a wireframe shape of the specified size. The teapot
- * is created in a way that replicates the C GLUT implementation.
- *
- * @param scale
- * the factor by which to scale the teapot
- */
- public void glutWireTeapot(double scale) {
- glutWireTeapot(scale, true);
- }
-
- /**
- * Renders the teapot as a wireframe shape of the specified size. The teapot
- * can either be created in a way that is backward-compatible with the
- * standard C glut library (i.e. broken), or in a more pleasing way (i.e.
- * with surfaces whose front-faces point outwards and standing on the z=0
- * plane, instead of the y=-1 plane). Both surface normals and texture
- * coordinates for the teapot are generated. The teapot is generated with
- * OpenGL evaluators.
- *
- * @param scale
- * the factor by which to scale the teapot
- * @param cStyle
- * whether to create the teapot in exactly the same way as in the C
- * implementation of GLUT
- */
- public void glutWireTeapot(double scale, boolean cStyle) {
- teapot(GLU.getCurrentGL(), 10, scale, GL.GL_LINE, cStyle);
- }
-
- //----------------------------------------------------------------------
- // Fonts
- //
-
- public void glutBitmapCharacter(int font, char character) {
- GL gl = GLU.getCurrentGL();
- int[] swapbytes = new int[1];
- int[] lsbfirst = new int[1];
- int[] rowlength = new int[1];
- int[] skiprows = new int[1];
- int[] skippixels = new int[1];
- int[] alignment = new int[1];
- beginBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- bitmapCharacterImpl(gl, font, character);
- endBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- }
-
- public void glutBitmapString (int font, String string) {
- GL gl = GLU.getCurrentGL();
- int[] swapbytes = new int[1];
- int[] lsbfirst = new int[1];
- int[] rowlength = new int[1];
- int[] skiprows = new int[1];
- int[] skippixels = new int[1];
- int[] alignment = new int[1];
- beginBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- int len = string.length();
- for (int i = 0; i < len; i++) {
- bitmapCharacterImpl(gl, font, string.charAt(i));
- }
- endBitmap(gl,
- swapbytes,
- lsbfirst,
- rowlength,
- skiprows,
- skippixels,
- alignment);
- }
-
- public int glutBitmapWidth (int font, char character) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int c = character & 0xFFFF;
- if (c < fontinfo.first || c >= fontinfo.first + fontinfo.num_chars)
- return 0;
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null)
- return (int) ch.advance;
- else
- return 0;
- }
-
- public void glutStrokeCharacter(int font, char character) {
- GL gl = GLU.getCurrentGL();
- StrokeFontRec fontinfo = getStrokeFont(font);
- int c = character & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- return;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null) {
- for (int i = 0; i < ch.num_strokes; i++) {
- StrokeRec stroke = ch.stroke[i];
- gl.glBegin(GL.GL_LINE_STRIP);
- for (int j = 0; j < stroke.num_coords; j++) {
- CoordRec coord = stroke.coord[j];
- gl.glVertex2f(coord.x, coord.y);
- }
- gl.glEnd();
- }
- gl.glTranslatef(ch.right, 0.0f, 0.0f);
- }
- }
-
- public void glutStrokeString(int font, String string) {
- GL gl = GLU.getCurrentGL();
- StrokeFontRec fontinfo = getStrokeFont(font);
- int len = string.length();
- for (int pos = 0; pos < len; pos++) {
- int c = string.charAt(pos) & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- continue;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null) {
- for (int i = 0; i < ch.num_strokes; i++) {
- StrokeRec stroke = ch.stroke[i];
- gl.glBegin(GL.GL_LINE_STRIP);
- for (int j = 0; j < stroke.num_coords; j++) {
- CoordRec coord = stroke.coord[j];
- gl.glVertex2f(coord.x, coord.y);
- }
- gl.glEnd();
- }
- gl.glTranslatef(ch.right, 0.0f, 0.0f);
- }
- }
- }
-
- public int glutStrokeWidth (int font, char character) {
- return (int) glutStrokeWidthf(font, character);
- }
-
- public float glutStrokeWidthf (int font, char character) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- int c = character & 0xFFFF;
- if (c < 0 || c >= fontinfo.num_chars)
- return 0;
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null)
- return ch.right;
- else
- return 0;
- }
-
- public int glutBitmapLength (int font, String string) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int length = 0;
- int len = string.length();
- for (int pos = 0; pos < len; pos++) {
- int c = string.charAt(pos) & 0xFFFF;
- if (c >= fontinfo.first && c < fontinfo.first + fontinfo.num_chars) {
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null)
- length += ch.advance;
- }
- }
- return length;
- }
-
- public int glutStrokeLength (int font, String string) {
- return (int) glutStrokeLengthf(font, string);
- }
-
- public float glutStrokeLengthf (int font, String string) {
- StrokeFontRec fontinfo = getStrokeFont(font);
- float length = 0;
- int len = string.length();
- for (int i = 0; i < len; i++) {
- char c = string.charAt(i);
- if (c >= 0 && c < fontinfo.num_chars) {
- StrokeCharRec ch = fontinfo.ch[c];
- if (ch != null)
- length += ch.right;
- }
- }
- return length;
- }
-
- /**
- This function draws a wireframe dodecahedron whose
- facets are rhombic and
- whose vertices are at unit radius.
- No facet lies normal to any coordinate axes.
- The polyhedron is centered at the origin.
- */
- public void glutWireRhombicDodecahedron() {
- GL gl = glu.getCurrentGL();
- for( int i = 0; i < 12; i++ ) {
- gl.glBegin( GL.GL_LINE_LOOP );
- gl.glNormal3dv( rdod_n[ i ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 0 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 1 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 2 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 3 ] ],0 );
- gl.glEnd( );
- }
- }
-
- /**
- This function draws a solid-shaded dodecahedron
- whose facets are rhombic and
- whose vertices are at unit radius.
- No facet lies normal to any coordinate axes.
- The polyhedron is centered at the origin.
- */
- public void glutSolidRhombicDodecahedron() {
- GL gl = glu.getCurrentGL();
- gl.glBegin( GL.GL_QUADS );
- for( int i = 0; i < 12; i++ ) {
- gl.glNormal3dv( rdod_n[ i ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 0 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 1 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 2 ] ],0 );
- gl.glVertex3dv( rdod_r[ rdod_v[ i ][ 3 ] ],0 );
- }
- gl.glEnd( );
- }
-
- //----------------------------------------------------------------------
- // Internals only below this point
- //
-
- //----------------------------------------------------------------------
- // Shape implementation
- //
-
- private GLUquadric quadObj;
- private void quadObjInit(GLU glu) {
- if (quadObj == null) {
- quadObj = glu.gluNewQuadric();
- }
- if (quadObj == null) {
- throw new GLException("Out of memory");
- }
- }
-
- private static void doughnut(GL gl, double r, double R, int nsides, int rings) {
- int i, j;
- float theta, phi, theta1;
- float cosTheta, sinTheta;
- float cosTheta1, sinTheta1;
- float ringDelta, sideDelta;
-
- ringDelta = (float) (2.0 * Math.PI / rings);
- sideDelta = (float) (2.0 * Math.PI / nsides);
-
- theta = 0.0f;
- cosTheta = 1.0f;
- sinTheta = 0.0f;
- for (i = rings - 1; i >= 0; i--) {
- theta1 = theta + ringDelta;
- cosTheta1 = (float) Math.cos(theta1);
- sinTheta1 = (float) Math.sin(theta1);
- gl.glBegin(GL.GL_QUAD_STRIP);
- phi = 0.0f;
- for (j = nsides; j >= 0; j--) {
- float cosPhi, sinPhi, dist;
-
- phi += sideDelta;
- cosPhi = (float) Math.cos(phi);
- sinPhi = (float) Math.sin(phi);
- dist = (float) (R + r * cosPhi);
-
- gl.glNormal3f(cosTheta1 * cosPhi, -sinTheta1 * cosPhi, sinPhi);
- gl.glVertex3f(cosTheta1 * dist, -sinTheta1 * dist, (float) r * sinPhi);
- gl.glNormal3f(cosTheta * cosPhi, -sinTheta * cosPhi, sinPhi);
- gl.glVertex3f(cosTheta * dist, -sinTheta * dist, (float) r * sinPhi);
- }
- gl.glEnd();
- theta = theta1;
- cosTheta = cosTheta1;
- sinTheta = sinTheta1;
- }
- }
-
- private static float[][] boxVertices;
- private static final float[][] boxNormals = {
- {-1.0f, 0.0f, 0.0f},
- {0.0f, 1.0f, 0.0f},
- {1.0f, 0.0f, 0.0f},
- {0.0f, -1.0f, 0.0f},
- {0.0f, 0.0f, 1.0f},
- {0.0f, 0.0f, -1.0f}
- };
- private static final int[][] boxFaces = {
- {0, 1, 2, 3},
- {3, 2, 6, 7},
- {7, 6, 5, 4},
- {4, 5, 1, 0},
- {5, 6, 2, 1},
- {7, 4, 0, 3}
- };
- private void drawBox(GL gl, float size, int type) {
- if (boxVertices == null) {
- float[][] v = new float[8][];
- for (int i = 0; i < 8; i++) {
- v[i] = new float[3];
- }
- v[0][0] = v[1][0] = v[2][0] = v[3][0] = -0.5f;
- v[4][0] = v[5][0] = v[6][0] = v[7][0] = 0.5f;
- v[0][1] = v[1][1] = v[4][1] = v[5][1] = -0.5f;
- v[2][1] = v[3][1] = v[6][1] = v[7][1] = 0.5f;
- v[0][2] = v[3][2] = v[4][2] = v[7][2] = -0.5f;
- v[1][2] = v[2][2] = v[5][2] = v[6][2] = 0.5f;
- boxVertices = v;
- }
- float[][] v = boxVertices;
- float[][] n = boxNormals;
- int[][] faces = boxFaces;
- for (int i = 5; i >= 0; i--) {
- gl.glBegin(type);
- gl.glNormal3fv(n[i], 0);
- float[] vt = v[faces[i][0]];
- gl.glVertex3f(vt[0] * size, vt[1] * size, vt[2] * size);
- vt = v[faces[i][1]];
- gl.glVertex3f(vt[0] * size, vt[1] * size, vt[2] * size);
- vt = v[faces[i][2]];
- gl.glVertex3f(vt[0] * size, vt[1] * size, vt[2] * size);
- vt = v[faces[i][3]];
- gl.glVertex3f(vt[0] * size, vt[1] * size, vt[2] * size);
- gl.glEnd();
- }
- }
-
- private float[][] dodec;
-
- private void initDodecahedron() {
- dodec = new float[20][];
- for (int i = 0; i < dodec.length; i++) {
- dodec[i] = new float[3];
- }
-
- float alpha, beta;
-
- alpha = (float) Math.sqrt(2.0f / (3.0f + Math.sqrt(5.0)));
- beta = 1.0f + (float) Math.sqrt(6.0 / (3.0 + Math.sqrt(5.0)) -
- 2.0 + 2.0 * Math.sqrt(2.0 / (3.0 + Math.sqrt(5.0))));
- dodec[0][0] = -alpha; dodec[0][1] = 0; dodec[0][2] = beta;
- dodec[1][0] = alpha; dodec[1][1] = 0; dodec[1][2] = beta;
- dodec[2][0] = -1; dodec[2][1] = -1; dodec[2][2] = -1;
- dodec[3][0] = -1; dodec[3][1] = -1; dodec[3][2] = 1;
- dodec[4][0] = -1; dodec[4][1] = 1; dodec[4][2] = -1;
- dodec[5][0] = -1; dodec[5][1] = 1; dodec[5][2] = 1;
- dodec[6][0] = 1; dodec[6][1] = -1; dodec[6][2] = -1;
- dodec[7][0] = 1; dodec[7][1] = -1; dodec[7][2] = 1;
- dodec[8][0] = 1; dodec[8][1] = 1; dodec[8][2] = -1;
- dodec[9][0] = 1; dodec[9][1] = 1; dodec[9][2] = 1;
- dodec[10][0] = beta; dodec[10][1] = alpha; dodec[10][2] = 0;
- dodec[11][0] = beta; dodec[11][1] = -alpha; dodec[11][2] = 0;
- dodec[12][0] = -beta; dodec[12][1] = alpha; dodec[12][2] = 0;
- dodec[13][0] = -beta; dodec[13][1] = -alpha; dodec[13][2] = 0;
- dodec[14][0] = -alpha; dodec[14][1] = 0; dodec[14][2] = -beta;
- dodec[15][0] = alpha; dodec[15][1] = 0; dodec[15][2] = -beta;
- dodec[16][0] = 0; dodec[16][1] = beta; dodec[16][2] = alpha;
- dodec[17][0] = 0; dodec[17][1] = beta; dodec[17][2] = -alpha;
- dodec[18][0] = 0; dodec[18][1] = -beta; dodec[18][2] = alpha;
- dodec[19][0] = 0; dodec[19][1] = -beta; dodec[19][2] = -alpha;
- }
-
- private static void diff3(float[] a, float[] b, float[] c) {
- c[0] = a[0] - b[0];
- c[1] = a[1] - b[1];
- c[2] = a[2] - b[2];
- }
-
- private static void crossprod(float[] v1, float[] v2, float[] prod) {
- float[] p = new float[3]; /* in case prod == v1 or v2 */
-
- p[0] = v1[1] * v2[2] - v2[1] * v1[2];
- p[1] = v1[2] * v2[0] - v2[2] * v1[0];
- p[2] = v1[0] * v2[1] - v2[0] * v1[1];
- prod[0] = p[0];
- prod[1] = p[1];
- prod[2] = p[2];
- }
-
- private static void normalize(float[] v) {
- float d;
-
- d = (float) Math.sqrt(v[0] * v[0] + v[1] * v[1] + v[2] * v[2]);
- if (d == 0.0) {
- v[0] = d = 1.0f;
- }
- d = 1 / d;
- v[0] *= d;
- v[1] *= d;
- v[2] *= d;
- }
-
- private void pentagon(GL gl, int a, int b, int c, int d, int e, int shadeType) {
- float[] n0 = new float[3];
- float[] d1 = new float[3];
- float[] d2 = new float[3];
-
- diff3(dodec[a], dodec[b], d1);
- diff3(dodec[b], dodec[c], d2);
- crossprod(d1, d2, n0);
- normalize(n0);
-
- gl.glBegin(shadeType);
- gl.glNormal3fv(n0, 0);
- gl.glVertex3fv(dodec[a], 0);
- gl.glVertex3fv(dodec[b], 0);
- gl.glVertex3fv(dodec[c], 0);
- gl.glVertex3fv(dodec[d], 0);
- gl.glVertex3fv(dodec[e], 0);
- gl.glEnd();
- }
-
- private void dodecahedron(GL gl, int type) {
- if (dodec == null) {
- initDodecahedron();
- }
- pentagon(gl, 0, 1, 9, 16, 5, type);
- pentagon(gl, 1, 0, 3, 18, 7, type);
- pentagon(gl, 1, 7, 11, 10, 9, type);
- pentagon(gl, 11, 7, 18, 19, 6, type);
- pentagon(gl, 8, 17, 16, 9, 10, type);
- pentagon(gl, 2, 14, 15, 6, 19, type);
- pentagon(gl, 2, 13, 12, 4, 14, type);
- pentagon(gl, 2, 19, 18, 3, 13, type);
- pentagon(gl, 3, 0, 5, 12, 13, type);
- pentagon(gl, 6, 15, 8, 10, 11, type);
- pentagon(gl, 4, 17, 8, 15, 14, type);
- pentagon(gl, 4, 12, 5, 16, 17, type);
- }
-
- private static void recorditem(GL gl, float[] n1, float[] n2, float[] n3, int shadeType) {
- float[] q0 = new float[3];
- float[] q1 = new float[3];
-
- diff3(n1, n2, q0);
- diff3(n2, n3, q1);
- crossprod(q0, q1, q1);
- normalize(q1);
-
- gl.glBegin(shadeType);
- gl.glNormal3fv(q1, 0);
- gl.glVertex3fv(n1, 0);
- gl.glVertex3fv(n2, 0);
- gl.glVertex3fv(n3, 0);
- gl.glEnd();
- }
-
- private static void subdivide(GL gl, float[] v0, float[] v1, float[] v2, int shadeType) {
- int depth;
- float[] w0 = new float[3];
- float[] w1 = new float[3];
- float[] w2 = new float[3];
- float l;
- int i, j, k, n;
-
- depth = 1;
- for (i = 0; i < depth; i++) {
- for (j = 0; i + j < depth; j++) {
- k = depth - i - j;
- for (n = 0; n < 3; n++) {
- w0[n] = (i * v0[n] + j * v1[n] + k * v2[n]) / depth;
- w1[n] = ((i + 1) * v0[n] + j * v1[n] + (k - 1) * v2[n])
- / depth;
- w2[n] = (i * v0[n] + (j + 1) * v1[n] + (k - 1) * v2[n])
- / depth;
- }
- l = (float) Math.sqrt(w0[0] * w0[0] + w0[1] * w0[1] + w0[2] * w0[2]);
- w0[0] /= l;
- w0[1] /= l;
- w0[2] /= l;
- l = (float) Math.sqrt(w1[0] * w1[0] + w1[1] * w1[1] + w1[2] * w1[2]);
- w1[0] /= l;
- w1[1] /= l;
- w1[2] /= l;
- l = (float) Math.sqrt(w2[0] * w2[0] + w2[1] * w2[1] + w2[2] * w2[2]);
- w2[0] /= l;
- w2[1] /= l;
- w2[2] /= l;
- recorditem(gl, w1, w0, w2, shadeType);
- }
- }
- }
-
- private static void drawtriangle(GL gl, int i, float[][] data, int[][] ndx, int shadeType) {
- float[] x0 = data[ndx[i][0]];
- float[] x1 = data[ndx[i][1]];
- float[] x2 = data[ndx[i][2]];
- subdivide(gl, x0, x1, x2, shadeType);
- }
-
- /* octahedron data: The octahedron produced is centered at the
- origin and has radius 1.0 */
- private static final float[][] odata =
- {
- {1.0f, 0.0f, 0.0f},
- {-1.0f, 0.0f, 0.0f},
- {0.0f, 1.0f, 0.0f},
- {0.0f, -1.0f, 0.0f},
- {0.0f, 0.0f, 1.0f},
- {0.0f, 0.0f, -1.0f}
- };
-
- private static final int[][] ondex =
- {
- {0, 4, 2},
- {1, 2, 4},
- {0, 3, 4},
- {1, 4, 3},
- {0, 2, 5},
- {1, 5, 2},
- {0, 5, 3},
- {1, 3, 5}
- };
-
- private static void octahedron(GL gl, int shadeType) {
- int i;
-
- for (i = 7; i >= 0; i--) {
- drawtriangle(gl, i, odata, ondex, shadeType);
- }
- }
-
- /* icosahedron data: These numbers are rigged to make an
- icosahedron of radius 1.0 */
-
- private static final float X = .525731112119133606f;
- private static final float Z = .850650808352039932f;
-
- private static final float[][] idata =
- {
- {-X, 0, Z},
- {X, 0, Z},
- {-X, 0, -Z},
- {X, 0, -Z},
- {0, Z, X},
- {0, Z, -X},
- {0, -Z, X},
- {0, -Z, -X},
- {Z, X, 0},
- {-Z, X, 0},
- {Z, -X, 0},
- {-Z, -X, 0}
- };
-
- private static final int[][] index =
- {
- {0, 4, 1},
- {0, 9, 4},
- {9, 5, 4},
- {4, 5, 8},
- {4, 8, 1},
- {8, 10, 1},
- {8, 3, 10},
- {5, 3, 8},
- {5, 2, 3},
- {2, 7, 3},
- {7, 10, 3},
- {7, 6, 10},
- {7, 11, 6},
- {11, 0, 6},
- {0, 1, 6},
- {6, 1, 10},
- {9, 0, 11},
- {9, 11, 2},
- {9, 2, 5},
- {7, 2, 11},
- };
-
- private static void icosahedron(GL gl, int shadeType) {
- int i;
-
- for (i = 19; i >= 0; i--) {
- drawtriangle(gl, i, idata, index, shadeType);
- }
- }
-
- /* rhombic dodecahedron data: */
-
- private static final double rdod_r[][] =
- {
- { 0.0, 0.0, 1.0 },
- { 0.707106781187, 0.000000000000, 0.5 },
- { 0.000000000000, 0.707106781187, 0.5 },
- { -0.707106781187, 0.000000000000, 0.5 },
- { 0.000000000000, -0.707106781187, 0.5 },
- { 0.707106781187, 0.707106781187, 0.0 },
- { -0.707106781187, 0.707106781187, 0.0 },
- { -0.707106781187, -0.707106781187, 0.0 },
- { 0.707106781187, -0.707106781187, 0.0 },
- { 0.707106781187, 0.000000000000, -0.5 },
- { 0.000000000000, 0.707106781187, -0.5 },
- { -0.707106781187, 0.000000000000, -0.5 },
- { 0.000000000000, -0.707106781187, -0.5 },
- { 0.0, 0.0, -1.0 }
- };
-
- private static final int rdod_v[][] =
- {
- { 0, 1, 5, 2 },
- { 0, 2, 6, 3 },
- { 0, 3, 7, 4 },
- { 0, 4, 8, 1 },
- { 5, 10, 6, 2 },
- { 6, 11, 7, 3 },
- { 7, 12, 8, 4 },
- { 8, 9, 5, 1 },
- { 5, 9, 13, 10 },
- { 6, 10, 13, 11 },
- { 7, 11, 13, 12 },
- { 8, 12, 13, 9 }
- };
-
- private static final double rdod_n[][] =
- {
- { 0.353553390594, 0.353553390594, 0.5 },
- { -0.353553390594, 0.353553390594, 0.5 },
- { -0.353553390594, -0.353553390594, 0.5 },
- { 0.353553390594, -0.353553390594, 0.5 },
- { 0.000000000000, 1.000000000000, 0.0 },
- { -1.000000000000, 0.000000000000, 0.0 },
- { 0.000000000000, -1.000000000000, 0.0 },
- { 1.000000000000, 0.000000000000, 0.0 },
- { 0.353553390594, 0.353553390594, -0.5 },
- { -0.353553390594, 0.353553390594, -0.5 },
- { -0.353553390594, -0.353553390594, -0.5 },
- { 0.353553390594, -0.353553390594, -0.5 }
- };
-
- /* tetrahedron data: */
-
- private static final float T = 1.73205080756887729f;
-
- private static final float[][] tdata =
- {
- {T, T, T},
- {T, -T, -T},
- {-T, T, -T},
- {-T, -T, T}
- };
-
- private static final int[][] tndex =
- {
- {0, 1, 3},
- {2, 1, 0},
- {3, 2, 0},
- {1, 2, 3}
- };
-
- private static final void tetrahedron(GL gl, int shadeType) {
- for (int i = 3; i >= 0; i--)
- drawtriangle(gl, i, tdata, tndex, shadeType);
- }
-
- // Teapot implementation (a modified port of glut_teapot.c)
- //
- // Rim, body, lid, and bottom data must be reflected in x and
- // y; handle and spout data across the y axis only.
- private static final int[][] teapotPatchData = {
- /* rim */
- {102, 103, 104, 105, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15},
- /* body */
- {12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27},
- {24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40},
- /* lid */
- {96, 96, 96, 96, 97, 98, 99, 100, 101, 101, 101, 101, 0, 1, 2, 3,},
- {0, 1, 2, 3, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117},
- /* bottom */
- {118, 118, 118, 118, 124, 122, 119, 121, 123, 126, 125, 120, 40, 39, 38, 37},
- /* handle */
- {41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56},
- {53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 28, 65, 66, 67},
- /* spout */
- {68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83},
- {80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95}
- };
- private static final float[][] teapotCPData = {
- {0.2f, 0f, 2.7f},
- {0.2f, -0.112f, 2.7f},
- {0.112f, -0.2f, 2.7f},
- {0f, -0.2f, 2.7f},
- {1.3375f, 0f, 2.53125f},
- {1.3375f, -0.749f, 2.53125f},
- {0.749f, -1.3375f, 2.53125f},
- {0f, -1.3375f, 2.53125f},
- {1.4375f, 0f, 2.53125f},
- {1.4375f, -0.805f, 2.53125f},
- {0.805f, -1.4375f, 2.53125f},
- {0f, -1.4375f, 2.53125f},
- {1.5f, 0f, 2.4f},
- {1.5f, -0.84f, 2.4f},
- {0.84f, -1.5f, 2.4f},
- {0f, -1.5f, 2.4f},
- {1.75f, 0f, 1.875f},
- {1.75f, -0.98f, 1.875f},
- {0.98f, -1.75f, 1.875f},
- {0f, -1.75f, 1.875f},
- {2f, 0f, 1.35f},
- {2f, -1.12f, 1.35f},
- {1.12f, -2f, 1.35f},
- {0f, -2f, 1.35f},
- {2f, 0f, 0.9f},
- {2f, -1.12f, 0.9f},
- {1.12f, -2f, 0.9f},
- {0f, -2f, 0.9f},
- {-2f, 0f, 0.9f},
- {2f, 0f, 0.45f},
- {2f, -1.12f, 0.45f},
- {1.12f, -2f, 0.45f},
- {0f, -2f, 0.45f},
- {1.5f, 0f, 0.225f},
- {1.5f, -0.84f, 0.225f},
- {0.84f, -1.5f, 0.225f},
- {0f, -1.5f, 0.225f},
- {1.5f, 0f, 0.15f},
- {1.5f, -0.84f, 0.15f},
- {0.84f, -1.5f, 0.15f},
- {0f, -1.5f, 0.15f},
- {-1.6f, 0f, 2.025f},
- {-1.6f, -0.3f, 2.025f},
- {-1.5f, -0.3f, 2.25f},
- {-1.5f, 0f, 2.25f},
- {-2.3f, 0f, 2.025f},
- {-2.3f, -0.3f, 2.025f},
- {-2.5f, -0.3f, 2.25f},
- {-2.5f, 0f, 2.25f},
- {-2.7f, 0f, 2.025f},
- {-2.7f, -0.3f, 2.025f},
- {-3f, -0.3f, 2.25f},
- {-3f, 0f, 2.25f},
- {-2.7f, 0f, 1.8f},
- {-2.7f, -0.3f, 1.8f},
- {-3f, -0.3f, 1.8f},
- {-3f, 0f, 1.8f},
- {-2.7f, 0f, 1.575f},
- {-2.7f, -0.3f, 1.575f},
- {-3f, -0.3f, 1.35f},
- {-3f, 0f, 1.35f},
- {-2.5f, 0f, 1.125f},
- {-2.5f, -0.3f, 1.125f},
- {-2.65f, -0.3f, 0.9375f},
- {-2.65f, 0f, 0.9375f},
- {-2f, -0.3f, 0.9f},
- {-1.9f, -0.3f, 0.6f},
- {-1.9f, 0f, 0.6f},
- {1.7f, 0f, 1.425f},
- {1.7f, -0.66f, 1.425f},
- {1.7f, -0.66f, 0.6f},
- {1.7f, 0f, 0.6f},
- {2.6f, 0f, 1.425f},
- {2.6f, -0.66f, 1.425f},
- {3.1f, -0.66f, 0.825f},
- {3.1f, 0f, 0.825f},
- {2.3f, 0f, 2.1f},
- {2.3f, -0.25f, 2.1f},
- {2.4f, -0.25f, 2.025f},
- {2.4f, 0f, 2.025f},
- {2.7f, 0f, 2.4f},
- {2.7f, -0.25f, 2.4f},
- {3.3f, -0.25f, 2.4f},
- {3.3f, 0f, 2.4f},
- {2.8f, 0f, 2.475f},
- {2.8f, -0.25f, 2.475f},
- {3.525f, -0.25f, 2.49375f},
- {3.525f, 0f, 2.49375f},
- {2.9f, 0f, 2.475f},
- {2.9f, -0.15f, 2.475f},
- {3.45f, -0.15f, 2.5125f},
- {3.45f, 0f, 2.5125f},
- {2.8f, 0f, 2.4f},
- {2.8f, -0.15f, 2.4f},
- {3.2f, -0.15f, 2.4f},
- {3.2f, 0f, 2.4f},
- {0f, 0f, 3.15f},
- {0.8f, 0f, 3.15f},
- {0.8f, -0.45f, 3.15f},
- {0.45f, -0.8f, 3.15f},
- {0f, -0.8f, 3.15f},
- {0f, 0f, 2.85f},
- {1.4f, 0f, 2.4f},
- {1.4f, -0.784f, 2.4f},
- {0.784f, -1.4f, 2.4f},
- {0f, -1.4f, 2.4f},
- {0.4f, 0f, 2.55f},
- {0.4f, -0.224f, 2.55f},
- {0.224f, -0.4f, 2.55f},
- {0f, -0.4f, 2.55f},
- {1.3f, 0f, 2.55f},
- {1.3f, -0.728f, 2.55f},
- {0.728f, -1.3f, 2.55f},
- {0f, -1.3f, 2.55f},
- {1.3f, 0f, 2.4f},
- {1.3f, -0.728f, 2.4f},
- {0.728f, -1.3f, 2.4f},
- {0f, -1.3f, 2.4f},
- {0f, 0f, 0f},
- {1.425f, -0.798f, 0f},
- {1.5f, 0f, 0.075f},
- {1.425f, 0f, 0f},
- {0.798f, -1.425f, 0f},
- {0f, -1.5f, 0.075f},
- {0f, -1.425f, 0f},
- {1.5f, -0.84f, 0.075f},
- {0.84f, -1.5f, 0.075f}
- };
- // Since GL.glMap2f expects a packed array of floats, we must convert
- // from a 3-dimensional array to a 1-dimensional array
- private static final float[] teapotTex = {
- 0, 0, 1, 0, 0, 1, 1, 1
- };
-
- private static void teapot(GL gl,
- int grid,
- double scale,
- int type,
- boolean backCompatible)
- {
- // As mentioned above, GL.glMap2f expects a packed array of floats
- float[] p = new float[4*4*3];
- float[] q = new float[4*4*3];
- float[] r = new float[4*4*3];
- float[] s = new float[4*4*3];
- int i, j, k, l;
-
- gl.glPushAttrib(GL.GL_ENABLE_BIT | GL.GL_EVAL_BIT | GL.GL_POLYGON_BIT);
- gl.glEnable(GL.GL_AUTO_NORMAL);
- gl.glEnable(GL.GL_NORMALIZE);
- gl.glEnable(GL.GL_MAP2_VERTEX_3);
- gl.glEnable(GL.GL_MAP2_TEXTURE_COORD_2);
- gl.glPushMatrix();
- if (!backCompatible) {
- // The time has come to have the teapot no longer be inside out
- gl.glFrontFace(GL.GL_CW);
- gl.glScaled(0.5*scale, 0.5*scale, 0.5*scale);
- } else {
- // We want the teapot in it's backward compatible position and
- // orientation
- gl.glRotatef(270.0f, 1, 0, 0);
- gl.glScalef((float)(0.5 * scale),
- (float)(0.5 * scale),
- (float)(0.5 * scale));
- gl.glTranslatef(0.0f, 0.0f, -1.5f);
- }
- for (i = 0; i < 10; i++) {
- for (j = 0; j < 4; j++) {
- for (k = 0; k < 4; k++) {
- for (l = 0; l < 3; l++) {
- p[(j*4+k)*3+l] = teapotCPData[teapotPatchData[i][j * 4 + k]][l];
- q[(j*4+k)*3+l] =
- teapotCPData[teapotPatchData[i][j * 4 + (3 - k)]][l];
- if (l == 1)
- q[(j*4+k)*3+l] *= -1.0;
- if (i < 6) {
- r[(j*4+k)*3+l] =
- teapotCPData[teapotPatchData[i][j * 4 + (3 - k)]][l];
- if (l == 0)
- r[(j*4+k)*3+l] *= -1.0;
- s[(j*4+k)*3+l] = teapotCPData[teapotPatchData[i][j * 4 + k]][l];
- if (l == 0)
- s[(j*4+k)*3+l] *= -1.0;
- if (l == 1)
- s[(j*4+k)*3+l] *= -1.0;
- }
- }
- }
- }
- gl.glMap2f(GL.GL_MAP2_TEXTURE_COORD_2, 0, 1, 2, 2, 0, 1, 4, 2, teapotTex, 0);
- gl.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, p, 0);
- gl.glMapGrid2f(grid, 0.0f, 1.0f, grid, 0.0f, 1.0f);
- evaluateTeapotMesh(gl, grid, type, i, !backCompatible);
- gl.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, q, 0);
- evaluateTeapotMesh(gl, grid, type, i, !backCompatible);
- if (i < 6) {
- gl.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, r, 0);
- evaluateTeapotMesh(gl, grid, type, i, !backCompatible);
- gl.glMap2f(GL.GL_MAP2_VERTEX_3, 0, 1, 3, 4, 0, 1, 12, 4, s, 0);
- evaluateTeapotMesh(gl, grid, type, i, !backCompatible);
- }
- }
- gl.glPopMatrix();
- gl.glPopAttrib();
- }
-
- private static void evaluateTeapotMesh(GL gl,
- int grid,
- int type,
- int partNum,
- boolean repairSingularities)
- {
- if (repairSingularities && (partNum == 5 || partNum == 3)) {
- // Instead of using evaluators that give bad results at singularities,
- // evaluate by hand
- gl.glPolygonMode(GL.GL_FRONT_AND_BACK, type);
- for (int nv = 0; nv < grid; nv++) {
- if (nv == 0) {
- // Draw a small triangle-fan to fill the hole
- gl.glDisable(GL.GL_AUTO_NORMAL);
- gl.glNormal3f(0, 0, partNum == 3 ? 1 : -1);
- gl.glBegin(GL.GL_TRIANGLE_FAN);
- {
- gl.glEvalCoord2f(0, 0);
- // Note that we draw in clock-wise order to match the evaluator
- // method
- for (int nu = 0; nu <= grid; nu++)
- {
- gl.glEvalCoord2f(nu / (float)grid, (1f / grid) / (float)grid);
- }
- }
- gl.glEnd();
- gl.glEnable(GL.GL_AUTO_NORMAL);
- }
- // Draw the rest of the piece as an evaluated quad-strip
- gl.glBegin(GL.GL_QUAD_STRIP);
- {
- // Note that we draw in clock-wise order to match the evaluator method
- for (int nu = grid; nu >= 0; nu--) {
- gl.glEvalCoord2f(nu / (float)grid, (nv + 1) / (float)grid);
- gl.glEvalCoord2f(nu / (float)grid, Math.max(nv, 1f / grid)
- / (float)grid);
- }
- }
- gl.glEnd();
- }
- } else {
- gl.glEvalMesh2(type, 0, grid, 0, grid);
- }
- }
-
- //----------------------------------------------------------------------
- // Font implementation
- //
-
- private static void bitmapCharacterImpl(GL gl, int font, char cin) {
- BitmapFontRec fontinfo = getBitmapFont(font);
- int c = cin & 0xFFFF;
- if (c < fontinfo.first ||
- c >= fontinfo.first + fontinfo.num_chars)
- return;
- BitmapCharRec ch = fontinfo.ch[c - fontinfo.first];
- if (ch != null) {
- gl.glBitmap(ch.width, ch.height, ch.xorig, ch.yorig,
- ch.advance, 0, ch.bitmap, 0);
- }
- }
-
- private static final BitmapFontRec[] bitmapFonts = new BitmapFontRec[9];
- private static final StrokeFontRec[] strokeFonts = new StrokeFontRec[9];
-
- private static BitmapFontRec getBitmapFont(int font) {
- BitmapFontRec rec = bitmapFonts[font];
- if (rec == null) {
- switch (font) {
- case BITMAP_9_BY_15:
- rec = GLUTBitmap9x15.glutBitmap9By15;
- break;
- case BITMAP_8_BY_13:
- rec = GLUTBitmap8x13.glutBitmap8By13;
- break;
- case BITMAP_TIMES_ROMAN_10:
- rec = GLUTBitmapTimesRoman10.glutBitmapTimesRoman10;
- break;
- case BITMAP_TIMES_ROMAN_24:
- rec = GLUTBitmapTimesRoman24.glutBitmapTimesRoman24;
- break;
- case BITMAP_HELVETICA_10:
- rec = GLUTBitmapHelvetica10.glutBitmapHelvetica10;
- break;
- case BITMAP_HELVETICA_12:
- rec = GLUTBitmapHelvetica12.glutBitmapHelvetica12;
- break;
- case BITMAP_HELVETICA_18:
- rec = GLUTBitmapHelvetica18.glutBitmapHelvetica18;
- break;
- default:
- throw new GLException("Unknown bitmap font number " + font);
- }
- bitmapFonts[font] = rec;
- }
- return rec;
- }
-
- private static StrokeFontRec getStrokeFont(int font) {
- StrokeFontRec rec = strokeFonts[font];
- if (rec == null) {
- switch (font) {
- case STROKE_ROMAN:
- rec = GLUTStrokeRoman.glutStrokeRoman;
- break;
- case STROKE_MONO_ROMAN:
- rec = GLUTStrokeMonoRoman.glutStrokeMonoRoman;
- break;
- default:
- throw new GLException("Unknown stroke font number " + font);
- }
- }
- return rec;
- }
-
- private static void beginBitmap(GL gl,
- int[] swapbytes,
- int[] lsbfirst,
- int[] rowlength,
- int[] skiprows,
- int[] skippixels,
- int[] alignment) {
- gl.glGetIntegerv(GL.GL_UNPACK_SWAP_BYTES, swapbytes, 0);
- gl.glGetIntegerv(GL.GL_UNPACK_LSB_FIRST, lsbfirst, 0);
- gl.glGetIntegerv(GL.GL_UNPACK_ROW_LENGTH, rowlength, 0);
- gl.glGetIntegerv(GL.GL_UNPACK_SKIP_ROWS, skiprows, 0);
- gl.glGetIntegerv(GL.GL_UNPACK_SKIP_PIXELS, skippixels, 0);
- gl.glGetIntegerv(GL.GL_UNPACK_ALIGNMENT, alignment, 0);
- /* Little endian machines (DEC Alpha for example) could
- benefit from setting GL_UNPACK_LSB_FIRST to GL_TRUE
- instead of GL_FALSE, but this would require changing the
- generated bitmaps too. */
- gl.glPixelStorei(GL.GL_UNPACK_SWAP_BYTES, GL.GL_FALSE);
- gl.glPixelStorei(GL.GL_UNPACK_LSB_FIRST, GL.GL_FALSE);
- gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, 0);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, 0);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, 0);
- gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, 1);
- }
-
- private static void endBitmap(GL gl,
- int[] swapbytes,
- int[] lsbfirst,
- int[] rowlength,
- int[] skiprows,
- int[] skippixels,
- int[] alignment) {
- /* Restore saved modes. */
- gl.glPixelStorei(GL.GL_UNPACK_SWAP_BYTES, swapbytes[0]);
- gl.glPixelStorei(GL.GL_UNPACK_LSB_FIRST, lsbfirst[0]);
- gl.glPixelStorei(GL.GL_UNPACK_ROW_LENGTH, rowlength[0]);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_ROWS, skiprows[0]);
- gl.glPixelStorei(GL.GL_UNPACK_SKIP_PIXELS, skippixels[0]);
- gl.glPixelStorei(GL.GL_UNPACK_ALIGNMENT, alignment[0]);
- }
-}