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Diffstat (limited to 'src/com/jogamp/graph/curve/opengl/TextRenderer.java')
-rw-r--r--src/com/jogamp/graph/curve/opengl/TextRenderer.java392
1 files changed, 59 insertions, 333 deletions
diff --git a/src/com/jogamp/graph/curve/opengl/TextRenderer.java b/src/com/jogamp/graph/curve/opengl/TextRenderer.java
index 703f82373..04988a3ab 100644
--- a/src/com/jogamp/graph/curve/opengl/TextRenderer.java
+++ b/src/com/jogamp/graph/curve/opengl/TextRenderer.java
@@ -1,353 +1,79 @@
-/**
- * Copyright 2010 JogAmp Community. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * 2. Redistributions 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.
- *
- * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * The views and conclusions contained in the software and documentation are those of the
- * authors and should not be interpreted as representing official policies, either expressed
- * or implied, of JogAmp Community.
- */
package com.jogamp.graph.curve.opengl;
-import java.nio.FloatBuffer;
import java.util.HashMap;
import java.util.Iterator;
import javax.media.opengl.GL2ES2;
-import javax.media.opengl.GLException;
-import javax.media.opengl.GLUniformData;
-import javax.media.opengl.fixedfunc.GLMatrixFunc;
import jogamp.graph.curve.text.GlyphString;
import jogamp.graph.font.FontInt;
import jogamp.graph.geom.plane.AffineTransform;
import jogamp.graph.geom.plane.Path2D;
-import com.jogamp.graph.curve.Region;
import com.jogamp.graph.font.Font;
import com.jogamp.graph.geom.Vertex;
-import com.jogamp.graph.geom.opengl.SVertex;
-import jogamp.opengl.Debug;
-import com.jogamp.opengl.util.PMVMatrix;
-import com.jogamp.opengl.util.glsl.ShaderCode;
-import com.jogamp.opengl.util.glsl.ShaderProgram;
-import com.jogamp.opengl.util.glsl.ShaderState;
-public class TextRenderer {
- protected static final boolean DEBUG = Debug.debug("TextRenderer");
- static final boolean FONTTOOL_CUSTOM = false;
-
- private ShaderState st = new ShaderState();
-
- private PMVMatrix pmvMatrix = new PMVMatrix();
- private GLUniformData mgl_PMVMatrix;
-
- /**Sharpness is equivalent to the value of t value of texture coord
- * on the off-curve vertex. The high value of sharpness will
- * result in high curvature.
- */
- private GLUniformData mgl_sharpness = new GLUniformData("p1y", 0.5f);
- private GLUniformData mgl_alpha = new GLUniformData("g_alpha", 1.0f);
- private GLUniformData mgl_color = new GLUniformData("g_color", 3, FloatBuffer.allocate(3));
- private GLUniformData mgl_strength = new GLUniformData("a_strength", 1.8f);
-
- private boolean initialized = false;
-
- private int regionType = Region.SINGLE_PASS;
-
- private HashMap<String, GlyphString> strings = new HashMap<String, GlyphString>();
- private final Vertex.Factory<? extends Vertex> pointFactory;
-
- int win_width = 0;
- int win_height = 0;
-
- /**
- * Create a Hardware accelerated Text Renderer.
- * @param context OpenGL rendering context
- * @param factory optional Point.Factory for Vertex construction. Default is Vertex.Factory.
- */
- public TextRenderer(Vertex.Factory<? extends Vertex> factory, int type) {
- this.pointFactory = (null != factory) ? factory : SVertex.factory();
- this.regionType = type;
- }
-
- /**
- * Initialize shaders and bindings for GPU based text Rendering,
- * should be called only once.
- * Leaves the renderer enables, ie ShaderState on.
- *
- * @param drawable the current drawable
- * @param shapvalue shaprness around the off-curve vertices
- * @return true if init succeeded, false otherwise
- */
- public boolean init(GL2ES2 gl){
- if(initialized){
- if(DEBUG) {
- System.err.println("HWTextRenderer: Already initialized!");
- }
- return true;
- }
-
- boolean VBOsupported = gl.isFunctionAvailable("glGenBuffers") &&
- gl.isFunctionAvailable("glBindBuffer") &&
- gl.isFunctionAvailable("glBufferData") &&
- gl.isFunctionAvailable("glDrawElements") &&
- gl.isFunctionAvailable("glVertexAttribPointer") &&
- gl.isFunctionAvailable("glDeleteBuffers");
-
- if(DEBUG) {
- System.err.println("HWTextRenderer: VBO Supported = " + VBOsupported);
- }
-
- if(!VBOsupported){
- return false;
- }
-
- gl.glEnable(GL2ES2.GL_BLEND);
- gl.glBlendFunc(GL2ES2.GL_SRC_ALPHA, GL2ES2.GL_ONE_MINUS_SRC_ALPHA);
-
- ShaderCode rsVp = ShaderCode.create(gl, GL2ES2.GL_VERTEX_SHADER, 1, TextRenderer.class,
- "shader", "shader/bin", "curverenderer");
- ShaderCode rsFp = ShaderCode.create(gl, GL2ES2.GL_FRAGMENT_SHADER, 1, TextRenderer.class,
- "shader", "shader/bin", "curverenderer");
-
- ShaderProgram sp = new ShaderProgram();
- sp.add(rsVp);
- sp.add(rsFp);
-
- if(!sp.link(gl, System.err)) {
- throw new GLException("HWTextRenderer: Couldn't link program: "+sp);
- }
-
- st.attachShaderProgram(gl, sp);
- gl.glBindAttribLocation(sp.id(), 0, "v_position");
- gl.glBindAttribLocation(sp.id(), 1, "texCoord");
-
- st.glUseProgram(gl, true);
-
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
- pmvMatrix.glLoadIdentity();
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
- pmvMatrix.glLoadIdentity();
-
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
- pmvMatrix.glLoadIdentity();
- resetMatrix(null);
-
- mgl_PMVMatrix = new GLUniformData("mgl_PMVMatrix", 4, 4, pmvMatrix.glGetPMvMatrixf());
- if(!st.glUniform(gl, mgl_PMVMatrix)) {
- if(DEBUG){
- System.err.println("Error setting PMVMatrix in shader: "+st);
- }
- return false;
- }
-
- if(!st.glUniform(gl, mgl_sharpness)) {
- if(DEBUG){
- System.err.println("Error setting sharpness in shader: "+st);
- }
- return false;
- }
-
- if(!st.glUniform(gl, mgl_alpha)) {
- if(DEBUG){
- System.err.println("Error setting global alpha in shader: "+st);
- }
- return false;
- }
-
- if(!st.glUniform(gl, mgl_color)) {
- if(DEBUG){
- System.err.println("Error setting global color in shader: "+st);
- }
- return false;
- }
-
- if(!st.glUniform(gl, mgl_strength)) {
- System.err.println("Error setting antialias strength in shader: "+st);
- }
-
- if(DEBUG) {
- System.err.println("HWTextRenderer initialized: " + Thread.currentThread()+" "+st);
- }
- initialized = true;
- return true;
- }
-
- public void dispose(GL2ES2 gl) {
- st.destroy(gl);
- flushCash();
- }
-
- public float getAlpha() {
- return mgl_alpha.floatValue();
- }
-
- public ShaderState getShaderState() {
- return st;
- }
-
- public void setAlpha(GL2ES2 gl, float alpha_t) {
- mgl_alpha.setData(alpha_t);
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_alpha);
- }
- }
-
- public void setColor(GL2ES2 gl, float r, float g, float b){
- FloatBuffer fb = (FloatBuffer) mgl_color.getBuffer();
- fb.put(0, r);
- fb.put(1, r);
- fb.put(2, r);
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_color);
- }
- }
-
- public final PMVMatrix matrix() { return pmvMatrix; }
-
- public void rotate(GL2ES2 gl, float angle, float x, float y, float z){
- pmvMatrix.glRotatef(angle, x, y, z);
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
- }
- public void translate(GL2ES2 gl, float x, float y, float z){
- pmvMatrix.glTranslatef(x, y, z);
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
- }
-
- public void resetMatrix(GL2ES2 gl){
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_MODELVIEW);
- pmvMatrix.glLoadIdentity();
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
- }
-
- public void setMatrix(GL2ES2 gl){
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
- }
-
- public void updateAllShaderValues(GL2ES2 gl) {
- if(null != gl && st.inUse()) {
- st.glUniform(gl, mgl_PMVMatrix);
- st.glUniform(gl, mgl_alpha);
- st.glUniform(gl, mgl_color);
- st.glUniform(gl, mgl_strength);
- }
+public abstract class TextRenderer extends Renderer {
+
+ /**
+ * Create a Hardware accelerated Text Renderer.
+ * @param factory optional Point.Factory for Vertex construction. Default is Vertex.Factory.
+ */
+ public static TextRenderer create(Vertex.Factory<? extends Vertex> factory, int type) {
+ return new jogamp.graph.curve.opengl.TextRendererImpl01(factory, type);
}
- /**
- * @param gl
- * @param angle
- * @param ratio
- * @param near
- * @param far
- * @return
- */
- public boolean reshapePerspective(GL2ES2 gl, float angle, int width, int height, float near, float far){
- win_width = width;
- win_height = height;
- float ratio = (float)width/(float)height;
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
- pmvMatrix.glLoadIdentity();
- pmvMatrix.gluPerspective(angle, ratio, near, far);
-
- if(null != gl) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
-
- return true;
- }
-
- public boolean reshapeOrtho(GL2ES2 gl, int width, int height, float near, float far) {
- win_width = width;
- win_height = height;
- pmvMatrix.glMatrixMode(GLMatrixFunc.GL_PROJECTION);
- pmvMatrix.glLoadIdentity();
- pmvMatrix.glOrthof(0, width, 0, height, near, far);
-
- if(null != gl) {
- st.glUniform(gl, mgl_PMVMatrix);
- }
-
- return true;
- }
+ protected TextRenderer(Vertex.Factory<? extends Vertex> factory, int type) {
+ super(factory, type);
+ }
- private GlyphString createString(GL2ES2 gl, Font font, int size, String str) {
- AffineTransform affineTransform = new AffineTransform(pointFactory);
-
- Path2D[] paths = new Path2D[str.length()];
- ((FontInt)font).getOutline(str, size, affineTransform, paths);
-
- GlyphString glyphString = new GlyphString(pointFactory, font.getName(), str);
- glyphString.createfromFontPath(paths, affineTransform);
-
- glyphString.generateRegion(gl.getContext(), mgl_sharpness.floatValue(), st, regionType);
- return glyphString;
- }
-
-
- /** Render the String in 3D space wrt to the font provided at the position provided
- * the outlines will be generated, if not yet generated
- * @param font font to be used
- * @param str text to be rendered
- * @param position the lower left corner of the string
+ /** Render the String in 3D space wrt to the font provided at the position provided
+ * the outlines will be generated, if not yet generated
+ * @param gl the current GL state
+ * @param font font to be used
+ * @param str text to be rendered
+ * @param position the lower left corner of the string
* @param fontSize font size
- * @param texSize texture size for multipass render
- * @throws Exception if TextRenderer not initialized
- */
- public void renderString3D(GL2ES2 gl, Font font, String str, float[] position, int fontSize, int texSize) {
- if(!initialized){
- throw new GLException("HWTextRenderer: not initialized!");
- }
- String fontStrHash = getTextHashCode(font, str, fontSize);
- GlyphString glyphString = strings.get(fontStrHash);
- if(null == glyphString) {
- glyphString = createString(gl, font, fontSize, str);
- strings.put(fontStrHash, glyphString);
- }
-
- glyphString.renderString3D(pmvMatrix, win_width, win_height, texSize);
- }
-
- private String getTextHashCode(Font font, String str, int fontSize) {
- // FIXME: use integer hash code
- return font.getName() + "." + str.hashCode() + "." + fontSize;
- }
+ * @param texSize texture size for multipass render
+ * @throws Exception if TextRenderer not initialized
+ */
+ public abstract void renderString3D(GL2ES2 gl, Font font,
+ String str, float[] position, int fontSize, int texSize);
- /** Clears the cached string curves
- * and destorys underlying buffers
- */
- public void flushCash() {
- Iterator<GlyphString> iterator = strings.values().iterator();
- while(iterator.hasNext()){
- GlyphString glyphString = iterator.next();
- glyphString.destroy();
- }
- strings.clear();
- }
-}
+ protected HashMap<String, GlyphString> strings = new HashMap<String, GlyphString>();
+
+ /**
+ *
+ * @param font
+ * @param size
+ * @param str
+ * @param sharpness parameter for Region generation of the resulting GlyphString
+ * @return the resulting GlyphString inclusive the generated region
+ */
+ protected GlyphString createString(GL2ES2 gl, Font font, int size, String str, float sharpness) {
+ AffineTransform affineTransform = new AffineTransform(pointFactory);
+
+ Path2D[] paths = new Path2D[str.length()];
+ ((FontInt)font).getOutline(str, size, affineTransform, paths);
+
+ GlyphString glyphString = new GlyphString(pointFactory, font.getName(), str);
+ glyphString.createfromFontPath(paths, affineTransform);
+ glyphString.generateRegion(gl.getContext(), sharpness, st, regionType);
+
+ return glyphString;
+ }
+
+ protected static String getTextHashCode(Font font, String str, int fontSize) {
+ // FIXME: use integer hash code
+ return font.getName() + "." + str.hashCode() + "." + fontSize;
+ }
+
+ public void flushCash() {
+ Iterator<GlyphString> iterator = strings.values().iterator();
+ while(iterator.hasNext()){
+ GlyphString glyphString = iterator.next();
+ glyphString.destroy();
+ }
+ strings.clear();
+ }
+} \ No newline at end of file
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 06:52:03 +0000