diff options
| -rw-r--r-- | src/net/java/joglutils/GLJFrame.java | 26 | ||||
| -rw-r--r-- | src/net/java/joglutils/jogltext/DrawTTF.java | 163 |
2 files changed, 189 insertions, 0 deletions
diff --git a/src/net/java/joglutils/GLJFrame.java b/src/net/java/joglutils/GLJFrame.java index 9538c2f..270c323 100644 --- a/src/net/java/joglutils/GLJFrame.java +++ b/src/net/java/joglutils/GLJFrame.java @@ -555,4 +555,30 @@ public class GLJFrame extends JFrame { public GLAutoDrawable getAutoDrawable() {
return (GLAutoDrawable)mainCanvas;
}
+
+ public static void main(String[] args) {
+ GLJFrame gljf = new GLJFrame(new GLEventListener() {
+ public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+ }
+
+ public void init(GLAutoDrawable drawable) {
+ }
+
+ public void display(GLAutoDrawable drawable) {
+ GL gl = drawable.getGL();
+ gl.glColor3f(1.0f,0.323f,0.8f);
+ gl.glBegin(GL.GL_TRIANGLE_STRIP);
+ gl.glVertex2d(0,0);
+ gl.glVertex2d(0.5,1.0);
+ gl.glVertex2d(-0.3,-0.9);
+ gl.glEnd();
+ }
+
+ public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
+ }
+
+ });
+ gljf.setDefaultCloseOperation(gljf.EXIT_ON_CLOSE);
+ gljf.setVisible(true);
+ }
}
diff --git a/src/net/java/joglutils/jogltext/DrawTTF.java b/src/net/java/joglutils/jogltext/DrawTTF.java new file mode 100644 index 0000000..20b5813 --- /dev/null +++ b/src/net/java/joglutils/jogltext/DrawTTF.java @@ -0,0 +1,163 @@ +package net.java.joglutils.jogltext;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.geom.*;
+import java.awt.font.*;
+import java.io.*;
+import java.text.*;
+import javax.media.opengl.*;
+import javax.media.opengl.glu.*;
+import com.sun.opengl.util.*;
+
+/**
+ * This class renders a TrueType Font into OpenGL
+ *
+ *@author Davide Raccagni
+ *@author Erik Tollerud
+ *@created January 29, 2004
+ */
+public class DrawTTF extends GLUtessellatorCallbackAdapter {
+
+ private GL gl;
+
+ public DrawTTF(GL gl) {
+ this.gl = gl;
+ }
+
+
+ public void begin(int type) {
+ gl.glBegin(type);
+ }
+
+ public void vertex(java.lang.Object vertexData) {
+ double[] coords = (double[])vertexData;
+
+ gl.glVertex3dv(coords,0);
+ }
+
+ public void end() {
+ gl.glEnd();
+ }
+
+
+ protected void drawString(GLU glu, GL gl) {
+ try {
+ Font font = Font.createFont(Font.TRUETYPE_FONT,
+ new FileInputStream("monotxt_.ttf")).deriveFont(100.0f);
+ GlyphVector gv = font.createGlyphVector(
+ new FontRenderContext(new AffineTransform(), true, true),
+ new StringCharacterIterator("DR"));
+ GeneralPath gp = (GeneralPath)gv.getOutline();
+ PathIterator pi = gp.getPathIterator(AffineTransform.getScaleInstance(1.0, -1.0), 1.0f);
+ tesselate(glu, gl, pi, pi.getWindingRule(), false);
+ } catch (Exception x) {
+ }
+ }
+
+ public void draw(GL gl, PathIterator pi) {
+ boolean closed = false;
+
+ for (; !pi.isDone(); pi.next()) {
+ double[] coords = new double[6];
+
+ switch (pi.currentSegment(coords)) {
+ case PathIterator.SEG_MOVETO:
+ if (closed) {
+ gl.glEnd();
+ closed = false;
+ }
+ gl.glBegin(GL.GL_LINE_STRIP);
+ case PathIterator.SEG_LINETO:
+ gl.glVertex2d(coords[0], coords[1]);
+ break;
+ case PathIterator.SEG_CLOSE:
+ gl.glEnd();
+ closed = true;
+ break;
+ }
+ }
+
+ if (!closed) {
+ gl.glEnd();
+ }
+ }
+
+ public void tesselate(GLU glu, GL gl, PathIterator pi, int windingRule, boolean justBoundary) {
+ GLUtessellatorCallback aCallback = new DrawTTF(gl);
+ GLUtessellator tess = glu.gluNewTess();
+
+ glu.gluTessCallback(tess, GLU.GLU_TESS_BEGIN, aCallback);
+ glu.gluTessCallback(tess, GLU.GLU_TESS_END, aCallback);
+ glu.gluTessCallback(tess, GLU.GLU_TESS_ERROR, aCallback);
+ glu.gluTessCallback(tess, GLU.GLU_TESS_VERTEX, aCallback);
+ glu.gluTessCallback(tess, GLU.GLU_TESS_COMBINE, aCallback);
+
+ glu.gluTessNormal(tess, 0.0, 0.0, -1.0);
+
+ switch (windingRule) {
+ case PathIterator.WIND_EVEN_ODD:
+ glu.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_ODD);
+ break;
+ case PathIterator.WIND_NON_ZERO:
+ glu.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO);
+ break;
+ }
+
+ if (justBoundary) {
+ glu.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL.GL_TRUE);
+ } else {
+ glu.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL.GL_FALSE);
+ }
+
+ glu.gluTessBeginPolygon(tess, (double[])null);
+
+ for (; !pi.isDone(); pi.next()) {
+ double[] coords = new double[6];
+
+ switch (pi.currentSegment(coords)) {
+ case PathIterator.SEG_MOVETO:
+ glu.gluTessBeginContour(tess);
+ break;
+ case PathIterator.SEG_LINETO:
+ glu.gluTessVertex(tess, coords, 0, coords);
+ break;
+ case PathIterator.SEG_CLOSE:
+ glu.gluTessEndContour(tess);
+ break;
+ }
+ }
+ glu.gluTessEndPolygon(tess);
+ }
+ public static void main(String[] args) {
+
+ GLEventListener listener = new GLEventListener() {
+ public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
+ }
+
+ public void init(GLAutoDrawable drawable) {
+ }
+
+ public void display(GLAutoDrawable drawable) {
+ GL gl = drawable.getGL();
+ final DrawTTF dttf = new DrawTTF(gl);
+
+ gl.glBegin(GL.GL_TRIANGLES);
+ gl.glVertex2d(0.23,0.89);
+ gl.glVertex2d(0.35,-0.89);
+ gl.glVertex2d(0.23,0.1);
+ gl.glEnd();
+
+ dttf.drawString(new GLU(),gl);
+ }
+
+ public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {
+ }
+
+ };
+ net.java.joglutils.GLJFrame gljf = new net.java.joglutils.GLJFrame("title", listener, 200, 200);
+ gljf.setDefaultCloseOperation(gljf.EXIT_ON_CLOSE);
+ gljf.setVisible(true);
+ }
+}
+
|