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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.geom.Point;
import com.jogamp.graph.geom.PointTex;
import com.jogamp.graph.geom.Triangle;
import com.jogamp.graph.geom.opengl.Vertex;
import javax.media.opengl.GLContext;
import jogamp.graph.geom.plane.AffineTransform;
import jogamp.graph.geom.plane.Path2D;
import jogamp.graph.geom.plane.PathIterator;
import com.jogamp.graph.curve.Region;
import com.jogamp.graph.curve.RegionFactory;
import com.jogamp.opengl.util.PMVMatrix;
import com.jogamp.opengl.util.glsl.ShaderState;
public class GlyphString {
private final Point.Factory<? extends PointTex> pointFactory;
private ArrayList<GlyphShape> glyphs = new ArrayList<GlyphShape>();
private String str = "";
private String fontname = "";
private Region region;
private Vertex origin = new Vertex();
/** 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(Point.Factory<? extends PointTex> factory, String fontname, String str){
pointFactory = factory;
this.fontname = fontname;
this.str = str;
}
public final Point.Factory<? extends PointTex> pointFactory() { return pointFactory; }
public void addGlyphShape(GlyphShape glyph){
glyphs.add(glyph);
}
public String getString(){
return str;
}
/** Creates the Curve based Glyphs from a Font
* @param paths a list of FontPath2D objects that define the outline
* @param affineTransform a global affine transformation applied to the paths.
*/
public void createfromFontPath(Path2D[] paths, AffineTransform affineTransform){
final int numGlyps = paths.length;
for (int index=0;index<numGlyps;index++){
if(paths[index] == null){
continue;
}
PathIterator iterator = paths[index].iterator(affineTransform);
GlyphShape glyphShape = new GlyphShape(pointFactory, iterator);
if(glyphShape.getNumVertices() < 3) {
continue;
}
addGlyphShape(glyphShape);
}
}
private ArrayList<Triangle<PointTex>> initializeTriangles(float sharpness){
ArrayList<Triangle<PointTex>> triangles = new ArrayList<Triangle<PointTex>>();
for(GlyphShape glyph:glyphs){
ArrayList<Triangle<PointTex>> tris = glyph.triangulate(sharpness);
triangles.addAll(tris);
}
return triangles;
}
/** Generate a OGL Region to represent this Object.
* @param context the GLContext which the region is defined by.
* @param shaprness the curvature sharpness of the object.
* @param st shader state
*/
public void generateRegion(GLContext context, float shaprness, ShaderState st, int type){
region = RegionFactory.create(context, st, type);
region.setFlipped(true);
ArrayList<Triangle<PointTex>> tris = initializeTriangles(shaprness);
region.addTriangles(tris);
int numVertices = region.getNumVertices();
for(GlyphShape glyph:glyphs){
ArrayList<PointTex> gVertices = glyph.getVertices();
for(PointTex vert:gVertices){
vert.setId(numVertices++);
}
region.addVertices(gVertices);
}
/** initialize the region */
region.update();
}
/** 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() {
region.render(null, 0, 0, 0);
}
/** Render the Object based using the associated Region
* previously generated.
*/
public void renderString3D(PMVMatrix matrix, int vp_width, int vp_height, int size) {
region.render(matrix, vp_width, vp_height, size);
}
/** Get the Origion of this GlyphString
* @return
*/
public PointTex getOrigin() {
return origin;
}
/** Destroy the associated OGL objects
*/
public void destroy(){
region.destroy();
}
}
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