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/**
* 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 jogamp.graph.curve.text;
import java.util.ArrayList;
import com.jogamp.graph.font.Font;
import com.jogamp.graph.geom.AABBox;
import com.jogamp.graph.geom.Vertex;
import com.jogamp.graph.geom.Triangle;
import com.jogamp.graph.geom.Vertex.Factory;
import com.jogamp.graph.geom.opengl.SVertex;
import javax.media.opengl.GL2ES2;
import jogamp.graph.curve.opengl.RegionFactory;
import jogamp.graph.font.FontInt;
import com.jogamp.graph.curve.OutlineShape;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.opengl.GLRegion;
import com.jogamp.graph.curve.opengl.RenderState;
import com.jogamp.opengl.util.PMVMatrix;
public class GlyphString {
/** Static font size for all default font OutlineShape generations via {@link #createString(OutlineShape, Factory, Font, String)}.
* <p>The actual font size shall be accomplished by the GL PMV matrix.</p>
*/
public static final int STATIC_FONT_SIZE = 10;
private ArrayList<GlyphShape> glyphs = new ArrayList<GlyphShape>();
private CharSequence str;
private String fontname;
private GLRegion region;
private SVertex origin = new SVertex();
/**
* <p>Uses {@link #STATIC_FONT_SIZE}.</p>
* <p>No caching is performed.</p>
*
* @param shape is not null, add all {@link GlyphShape}'s {@link Outline} to this instance.
* @param vertexFactory vertex impl factory {@link Factory}
* @param font the target {@link Font}
* @param str string text
* @return the created {@link GlyphString} instance
*/
public static GlyphString createString(OutlineShape shape, Factory<? extends Vertex> vertexFactory, Font font, String str) {
return createString(shape, vertexFactory, font, STATIC_FONT_SIZE, str);
}
/**
* <p>No caching is performed.</p>
*
* @param shape is not null, add all {@link GlyphShape}'s {@link Outline} to this instance.
* @param vertexFactory vertex impl factory {@link Factory}
* @param font the target {@link Font}
* @param fontSize font size
* @param str string text
* @return the created {@link GlyphString} instance
*/
public static GlyphString createString(OutlineShape shape, Factory<? extends Vertex> vertexFactory, Font font, int fontSize, String str) {
ArrayList<OutlineShape> shapes = ((FontInt)font).getOutlineShapes(str, fontSize, vertexFactory);
GlyphString glyphString = new GlyphString(font.getName(Font.NAME_UNIQUNAME), str);
glyphString.createfromOutlineShapes(vertexFactory, shapes);
if(null != shape) {
for(int i=0; i<glyphString.glyphs.size(); i++) {
shape.addOutlineShape(glyphString.glyphs.get(i).getShape());
}
}
return glyphString;
}
/** Create a new GlyphString object
* @param fontname the name of the font that this String is
* associated with
* @param str the string object
*/
public GlyphString(String fontname, CharSequence str){
this.fontname = fontname;
this.str = str;
}
public void addGlyphShape(GlyphShape glyph){
glyphs.add(glyph);
}
public CharSequence getString(){
return str;
}
/**Creates the Curve based Glyphs from a list of {@link OutlineShape}
* @param vertexFactory vertex impl factory {@link Factory}
* @param shapes list of {@link OutlineShape}
*/
public void createfromOutlineShapes(Factory<? extends Vertex> vertexFactory, ArrayList<OutlineShape> shapes) {
final int numGlyps = shapes.size();
for (int index=0;index<numGlyps;index++){
if(shapes.get(index) == null){
continue;
}
GlyphShape glyphShape = new GlyphShape(vertexFactory, shapes.get(index));
if(glyphShape.getNumVertices() < 3) {
continue;
}
addGlyphShape(glyphShape);
}
}
/** Generate a OGL Region to represent this Object.
* @param gl the current gl object
* @param rs the current attached RenderState
* @param renderModes bit-field of modes, e.g. {@link Region#VARIABLE_CURVE_WEIGHT_BIT}, {@link Region#VBAA_RENDERING_BIT}
*/
public GLRegion createRegion(GL2ES2 gl, int renderModes){
region = RegionFactory.create(renderModes);
// region.setFlipped(true);
int numVertices = region.getNumVertices();
for(int i=0; i< glyphs.size(); i++) {
final GlyphShape glyph = glyphs.get(i);
ArrayList<Triangle> gtris = glyph.triangulate();
region.addTriangles(gtris);
final ArrayList<Vertex> gVertices = glyph.getVertices();
for(int j=0; j<gVertices.size(); j++) {
final Vertex gVert = gVertices.get(j);
gVert.setId(numVertices++);
region.addVertex(gVert);
}
}
return region;
}
/** Generate a Hashcode for this object
* @return a string defining the hashcode
*/
public String getTextHashCode(){
return "" + fontname.hashCode() + str.hashCode();
}
/** Render the Object based using the associated Region
* previously generated.
*/
public void renderString3D(GL2ES2 gl) {
region.draw(gl, null, 0, 0, null);
}
/** Render the Object based using the associated Region
* previously generated.
* @param matrix current {@link PMVMatrix}.
* @param rs the RenderState to be used
* @param vp_width current screen width
* @param vp_height current screen height
* @param texWidth desired texture width for multipass-rendering.
* The actual used texture-width is written back when mp rendering is enabled, otherwise the store is untouched.
*/
public void renderString3D(GL2ES2 gl, RenderState rs, int vp_width, int vp_height, int[/*1*/] texWidth) {
region.draw(gl, rs, vp_width, vp_height, texWidth);
}
/** Get the Origin of this GlyphString
* @return
*/
public Vertex getOrigin() {
return origin;
}
/** Destroy the associated OGL objects
* @param rs the current attached RenderState
*/
public void destroy(GL2ES2 gl, RenderState rs) {
if(null != gl && null != rs) {
region.destroy(gl, rs);
region = null;
} else if(null != region) {
throw new InternalError("destroy called w/o GL context, but has a region");
}
glyphs.clear();
}
public AABBox getBounds(){
return region.getBounds();
}
}
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