diff options
Diffstat (limited to 'src/net/java/joglutils/jogltext/FontDrawer.java')
| -rw-r--r-- | src/net/java/joglutils/jogltext/FontDrawer.java | 251 |
1 files changed, 131 insertions, 120 deletions
diff --git a/src/net/java/joglutils/jogltext/FontDrawer.java b/src/net/java/joglutils/jogltext/FontDrawer.java index 866ab0e..5fa808f 100644 --- a/src/net/java/joglutils/jogltext/FontDrawer.java +++ b/src/net/java/joglutils/jogltext/FontDrawer.java @@ -36,12 +36,23 @@ package net.java.joglutils.jogltext;
-import java.awt.*;
-import java.awt.geom.*;
-import java.awt.font.*;
-import java.text.*;
-import javax.media.opengl.*;
-import javax.media.opengl.glu.*;
+import java.awt.Font;
+import java.awt.font.FontRenderContext;
+import java.awt.font.GlyphVector;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.GeneralPath;
+import java.awt.geom.PathIterator;
+import java.text.StringCharacterIterator;
+
+import com.jogamp.opengl.GL;
+import com.jogamp.opengl.GL2;
+import com.jogamp.opengl.GL2ES3;
+import com.jogamp.opengl.GL2GL3;
+import com.jogamp.opengl.fixedfunc.GLMatrixFunc;
+import com.jogamp.opengl.glu.GLU;
+import com.jogamp.opengl.glu.GLUtessellator;
+import com.jogamp.opengl.glu.GLUtessellatorCallback;
+import com.jogamp.opengl.glu.GLUtessellatorCallbackAdapter;
/**
* This class renders a TrueType Font into OpenGL
@@ -51,22 +62,22 @@ import javax.media.opengl.glu.*; *@created January 29, 2004
*/
public class FontDrawer {
-
+
public enum NormalMode {NONE, FLAT, AVERAGED};
-
+
private Font font;
private float depth;
-
+
private boolean edgeOnly;
private NormalMode normalMode;
-
+
/**
- * Intstantiates a new FontDrawer initially rendering in the specified font.
- *
+ * Intstantiates a new FontDrawer initially rendering in the specified font.
+ *
* @param font the initial font for this FontDrawer
* @throws java.lang.NullPointerException if the supplied font is null
*/
- public FontDrawer(Font font) throws NullPointerException {
+ public FontDrawer(final Font font) throws NullPointerException {
if (font == null)
throw new NullPointerException("Can't use a null font to create a FontDrawer");
this.font = font;
@@ -74,18 +85,18 @@ public class FontDrawer { edgeOnly = false;
normalMode = NormalMode.FLAT;
}
-
+
/**
* Specifies which font to render with this FontDrawer
* @param font a font to use for rendering
** @throws java.lang.NullPointerException if the supplied font is null
*/
- public void setFont(Font font) throws NullPointerException {
+ public void setFont(final Font font) throws NullPointerException {
if (font == null)
throw new NullPointerException("Can't set a FontDrawer font to null");
this.font = font;
}
-
+
/**
* Retrieves the Font currently associated with this FontDrawer
* @return the Font in which this object renders strings
@@ -93,18 +104,18 @@ public class FontDrawer { public Font getFont() {
return this.font;
}
-
+
/**
* Determines how long the sides of the rendered text is. In the special case of 0, the rendering is 2D.
* @param depth specifies the z-size of the rendered 3D text. Negative numbers will be set to 0.
*/
- public void setDepth(float depth) {
+ public void setDepth(final float depth) {
if (depth <= 0)
this.depth = 0;
else
this.depth = depth;
}
-
+
/**
* Retrieves the z-depth used for this FontDrawer's text rendering.
* @return the z-depth of the rendered 3D text.
@@ -112,15 +123,15 @@ public class FontDrawer { public float getDepth() {
return this.depth;
}
-
+
/**
* Sets if the text should be rendered as filled polygons or wireframe.
* @param fill if true, uses filled polygons, if false, renderings are wireframe.
*/
- public void setFill(boolean fill) {
+ public void setFill(final boolean fill) {
this.edgeOnly = !fill;
}
-
+
/**
* Determines if the text is being rendered as filled polygons or wireframes.
* @return if true, uses filled polygons, if false, renderings are wireframe.
@@ -128,7 +139,7 @@ public class FontDrawer { public boolean isFill() {
return !this.edgeOnly;
}
-
+
/**
* Sets technique for rendering Normals. Available options:
* None: Performs no calls to glNormal* - best performance
@@ -137,10 +148,10 @@ public class FontDrawer { *
* @param mode the mode to render in. Default is flat.
*/
- public void setNormal( NormalMode mode ) {
+ public void setNormal( final NormalMode mode ) {
this.normalMode = mode;
}
-
+
/**
* Determines which normal-calculation technique is being used.
* @see setNormal
@@ -149,18 +160,18 @@ public class FontDrawer { public NormalMode getNormal() {
return this.normalMode;
}
-
+
/**
- * Renders a string into the specified GL object, starting at the (0,0,0) point in OpenGL coordinates.
+ * Renders a string into the specified GL object, starting at the (0,0,0) point in OpenGL coordinates.
* Note that this creates a new GLU instance everytime it is called, which will negatively impact performance.
*
* @param str the string to render.
* @param gl the OpenGL context in which to render the text.
*/
- public void drawString(String str, GL2 gl) {
+ public void drawString(final String str, final GL2 gl) {
drawString(str,new GLU(),gl);
}
-
+
/**
* Renders a string into the specified GL object, starting at the (0,0,0) point in OpenGL coordinates.
*
@@ -168,13 +179,13 @@ public class FontDrawer { * @param glu a GLU instance to use for the text rendering (provided to prevent continuous re-instantiation of a GLU object)
* @param gl the OpenGL context in which to render the text.
*/
- public void drawString(String str, GLU glu, GL2 gl) {
- GlyphVector gv = font.createGlyphVector(
+ public void drawString(final String str, final GLU glu, final GL2 gl) {
+ final GlyphVector gv = font.createGlyphVector(
new FontRenderContext(new AffineTransform(), true, true),
new StringCharacterIterator(str));
- GeneralPath gp = (GeneralPath)gv.getOutline();
+ final GeneralPath gp = (GeneralPath)gv.getOutline();
PathIterator pi = gp.getPathIterator(AffineTransform.getScaleInstance(1.0, -1.0), 1.0f);
-
+
if (this.normalMode != NormalMode.NONE)
gl.glNormal3f(0,0,-1.0f);
tesselateFace(glu, gl, pi, pi.getWindingRule(), this.edgeOnly);
@@ -196,14 +207,14 @@ public class FontDrawer { drawSidesAvgNorm(gl,pi,this.edgeOnly,this.depth);
break;
}
-
+
}
-
+
}
-
+
/**
* Renders a string into the specified GL object, starting at the (xOff,yOff,zOff) point in OpenGL coordinates.
- * Note that this creates a new GLU instance everytime it is called, which will negatively impact performance.
+ * Note that this creates a new GLU instance everytime it is called, which will negatively impact performance.
*
* @param xOff the distance to translate the text in the x-direction
* @param yOff the distance to translate the text in the y-direction
@@ -211,13 +222,13 @@ public class FontDrawer { * @param str the string to render.
* @param gl the OpenGL context in which to render the text.
*/
- public void drawString(String str, GL2 gl, float xOff, float yOff, float zOff) {
+ public void drawString(final String str, final GL2 gl, final float xOff, final float yOff, final float zOff) {
drawString(str,new GLU(),gl,xOff,yOff,zOff);
}
-
+
/**
* Renders a string into the specified GL object, starting at the (xOff,yOff,zOff) point in OpenGL coordinates.
- *
+ *
* @param xOff the distance to translate the text in the x-direction
* @param yOff the distance to translate the text in the y-direction
* @param zOff the distance to translate the text in the z-direction
@@ -225,80 +236,80 @@ public class FontDrawer { * @param glu a GLU instance to use for the text rendering (provided to prevent continuous re-instantiation of a GLU object)
* @param gl the OpenGL context in which to render the text.
*/
- public void drawString(String str, GLU glu, GL2 gl, float xOff, float yOff, float zOff) {
+ public void drawString(final String str, final GLU glu, final GL2 gl, final float xOff, final float yOff, final float zOff) {
gl.glPushAttrib(GL2.GL_TRANSFORM_BIT);
- gl.glMatrixMode(GL2.GL_MODELVIEW);
+ gl.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
gl.glPushMatrix();
gl.glTranslatef(xOff,yOff,zOff);
this.drawString(str,glu,gl);
gl.glPopMatrix();
gl.glPopAttrib();
}
-
- private void tesselateFace(GLU glu, GL2 gl, PathIterator pi, int windingRule, boolean justBoundary) {
+
+ private void tesselateFace(final GLU glu, final GL2 gl, final PathIterator pi, final int windingRule, final boolean justBoundary) {
tesselateFace(glu,gl,pi,windingRule,justBoundary,0);
}
-
- private void tesselateFace(GLU glu, GL2 gl, PathIterator pi, int windingRule, boolean justBoundary,double tessZ) {
- GLUtessellatorCallback aCallback = new GLUtesselatorCallbackImpl(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);
-
+
+ private void tesselateFace(final GLU glu, final GL2 gl, final PathIterator pi, final int windingRule, final boolean justBoundary,final double tessZ) {
+ final GLUtessellatorCallback aCallback = new GLUtesselatorCallbackImpl(gl);
+ final 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);
+ 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);
+ GLU.gluTessProperty(tess, GLU.GLU_TESS_WINDING_RULE, GLU.GLU_TESS_WINDING_NONZERO);
break;
}
-
+
if (justBoundary) {
- glu.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL2.GL_TRUE);
+ GLU.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL.GL_TRUE);
} else {
- glu.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL2.GL_FALSE);
+ GLU.gluTessProperty(tess, GLU.GLU_TESS_BOUNDARY_ONLY, GL.GL_FALSE);
}
-
- glu.gluTessBeginPolygon(tess, (double[])null);
-
+
+ GLU.gluTessBeginPolygon(tess, (double[])null);
+
for (; !pi.isDone(); pi.next()) {
- double[] coords = new double[3];
+ final double[] coords = new double[3];
coords[2] = tessZ;
-
+
switch (pi.currentSegment(coords)) {
case PathIterator.SEG_MOVETO:
- glu.gluTessBeginContour(tess);
+ GLU.gluTessBeginContour(tess);
break;
case PathIterator.SEG_LINETO:
- glu.gluTessVertex(tess, coords, 0, coords);
+ GLU.gluTessVertex(tess, coords, 0, coords);
break;
case PathIterator.SEG_CLOSE:
- glu.gluTessEndContour(tess);
+ GLU.gluTessEndContour(tess);
break;
}
}
- glu.gluTessEndPolygon(tess);
-
- glu.gluDeleteTess(tess);
+ GLU.gluTessEndPolygon(tess);
+
+ GLU.gluDeleteTess(tess);
}
-
- private void drawSidesNoNorm(GL2 gl, PathIterator pi, boolean justBoundary,float tessZ) {
+
+ private void drawSidesNoNorm(final GL2 gl, final PathIterator pi, final boolean justBoundary,final float tessZ) {
//TODO: texture coords
-
+
if (justBoundary)
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_LINE);
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_LINE);
else
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_FILL);
-
- for(float[] coords = new float[6];!pi.isDone();pi.next()) {
- float[] currRender = new float[3];
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_FILL);
+
+ for(final float[] coords = new float[6];!pi.isDone();pi.next()) {
+ final float[] currRender = new float[3];
switch(pi.currentSegment(coords)) {
case PathIterator.SEG_MOVETO:
gl.glBegin(GL2.GL_QUAD_STRIP);
@@ -331,21 +342,21 @@ public class FontDrawer { }
}
}
-
- private void drawSidesFlatNorm(GL2 gl, PathIterator pi, boolean justBoundary,float tessZ) {
+
+ private void drawSidesFlatNorm(final GL2 gl, final PathIterator pi, final boolean justBoundary,final float tessZ) {
//TODO: texture coords
-
+
if (justBoundary)
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_LINE);
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_LINE);
else
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_FILL);
-
- float[] lastCoord = new float[3];
- float[] firstCoord = new float[3];
- for(float[] coords = new float[6];!pi.isDone();pi.next()) {
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_FILL);
+
+ final float[] lastCoord = new float[3];
+ final float[] firstCoord = new float[3];
+ for(final float[] coords = new float[6];!pi.isDone();pi.next()) {
switch(pi.currentSegment(coords)) {
case PathIterator.SEG_MOVETO:
- gl.glBegin(GL2.GL_QUADS);
+ gl.glBegin(GL2ES3.GL_QUADS);
lastCoord[0] = coords[0];
lastCoord[1] = coords[1];
firstCoord[0] = coords[0];
@@ -362,7 +373,7 @@ public class FontDrawer { gl.glVertex3fv(coords,0);
coords[2] = 0;
gl.glVertex3fv(coords,0);
-
+
lastCoord[0] = coords[0];
lastCoord[1] = coords[1];
break;
@@ -384,25 +395,25 @@ public class FontDrawer { }
}
}
-
-
- private void drawSidesAvgNorm(GL2 gl, PathIterator pi, boolean justBoundary,float tessZ) {
+
+
+ private void drawSidesAvgNorm(final GL2 gl, final PathIterator pi, final boolean justBoundary,final float tessZ) {
//TODO: improve performance with some form of caching?
//TODO: texture coords
//TODO: check last coord - might not quite be correct?
-
+
if (justBoundary)
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_LINE);
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_LINE);
else
- gl.glPolygonMode(GL2.GL_FRONT_AND_BACK,GL2.GL_FILL);
-
-
+ gl.glPolygonMode(GL.GL_FRONT_AND_BACK,GL2GL3.GL_FILL);
+
+
float[] firstCoord = null;
float[] secondCoord = null;
float[] thirdCoord = null;
float[] twoBackCoord = null;
float[] oneBackCoord = null;
- for(float[] coords = new float[6];!pi.isDone();pi.next()) {
+ for(final float[] coords = new float[6];!pi.isDone();pi.next()) {
switch(pi.currentSegment(coords)) {
case PathIterator.SEG_MOVETO:
firstCoord = new float[3];
@@ -418,20 +429,20 @@ public class FontDrawer { twoBackCoord = firstCoord.clone();
oneBackCoord = secondCoord.clone();
} else {
- float avgdeltax = oneBackCoord[0] - twoBackCoord[0] + coords[0] - oneBackCoord[0];
- float avgdeltay = oneBackCoord[1] - twoBackCoord[1] + coords[1] - oneBackCoord[1];
+ final float avgdeltax = oneBackCoord[0] - twoBackCoord[0] + coords[0] - oneBackCoord[0];
+ final float avgdeltay = oneBackCoord[1] - twoBackCoord[1] + coords[1] - oneBackCoord[1];
if (thirdCoord == null) {
thirdCoord = new float[3];
thirdCoord[0] = coords[0];
thirdCoord[1] = coords[1];
-
+
}
gl.glNormal3f(-avgdeltay,avgdeltax,0);
oneBackCoord[2] = 0.0f;
gl.glVertex3fv(oneBackCoord,0);
oneBackCoord[2] = tessZ;
gl.glVertex3fv(oneBackCoord,0);
-
+
//copy to not have to recreate
twoBackCoord[0] = oneBackCoord[0];
twoBackCoord[1] = oneBackCoord[1];
@@ -447,7 +458,7 @@ public class FontDrawer { gl.glVertex3fv(oneBackCoord,0);
oneBackCoord[2] = tessZ;
gl.glVertex3fv(oneBackCoord,0);
-
+
avgdeltax = firstCoord[0] - oneBackCoord[0] + secondCoord[0] - firstCoord[0];
avgdeltay = firstCoord[1] - oneBackCoord[1] + secondCoord[1] - firstCoord[1];
gl.glNormal3f(-avgdeltay,avgdeltax,0);
@@ -455,7 +466,7 @@ public class FontDrawer { gl.glVertex3fv(firstCoord,0);
firstCoord[2] = tessZ;
gl.glVertex3fv(firstCoord,0);
-
+
avgdeltax = secondCoord[0] - firstCoord[0] + thirdCoord[0] - secondCoord[0];
avgdeltay = secondCoord[1] - firstCoord[1] + thirdCoord[1] - secondCoord[1];
gl.glNormal3f(-avgdeltay,avgdeltax,0);
@@ -463,7 +474,7 @@ public class FontDrawer { gl.glVertex3fv(secondCoord,0);
secondCoord[2] = tessZ;
gl.glVertex3fv(secondCoord,0);
-
+
gl.glEnd();
firstCoord = null;
secondCoord = null;
@@ -476,24 +487,24 @@ public class FontDrawer { }
}
}
-
- private class GLUtesselatorCallbackImpl extends javax.media.opengl.glu.GLUtessellatorCallbackAdapter {
- private GL2 gl;
-
- public GLUtesselatorCallbackImpl(GL2 gl) {
+
+ private class GLUtesselatorCallbackImpl extends GLUtessellatorCallbackAdapter {
+ private final GL2 gl;
+
+ public GLUtesselatorCallbackImpl(final GL2 gl) {
this.gl = gl;
}
-
- public void begin(int type) {
+
+ public void begin(final int type) {
gl.glBegin(type);
}
-
- public void vertex(java.lang.Object vertexData) {
- double[] coords = (double[])vertexData;
-
+
+ public void vertex(final java.lang.Object vertexData) {
+ final double[] coords = (double[])vertexData;
+
gl.glVertex3dv(coords,0);
}
-
+
public void end() {
gl.glEnd();
}
|