aboutsummaryrefslogtreecommitdiffstats
path: root/turtle2d/src/jogamp/graph/curve/text/GlyphString.java
diff options
context:
space:
mode:
Diffstat (limited to 'turtle2d/src/jogamp/graph/curve/text/GlyphString.java')
-rw-r--r--turtle2d/src/jogamp/graph/curve/text/GlyphString.java163
1 files changed, 163 insertions, 0 deletions
diff --git a/turtle2d/src/jogamp/graph/curve/text/GlyphString.java b/turtle2d/src/jogamp/graph/curve/text/GlyphString.java
new file mode 100644
index 000000000..808e3a415
--- /dev/null
+++ b/turtle2d/src/jogamp/graph/curve/text/GlyphString.java
@@ -0,0 +1,163 @@
+/**
+ * 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.Vertex;
+import com.jogamp.graph.geom.Triangle;
+import com.jogamp.graph.geom.opengl.SVertex;
+
+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 Vertex.Factory<? extends Vertex> pointFactory;
+ private ArrayList<GlyphShape> glyphs = new ArrayList<GlyphShape>();
+ private String str = "";
+ private String fontname = "";
+ private Region region;
+
+ private SVertex origin = new SVertex();
+
+ /** 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(Vertex.Factory<? extends Vertex> factory, String fontname, String str){
+ pointFactory = factory;
+ this.fontname = fontname;
+ this.str = str;
+ }
+
+ public final Vertex.Factory<? extends Vertex> 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> initializeTriangles(float sharpness){
+ ArrayList<Triangle> triangles = new ArrayList<Triangle>();
+ for(GlyphShape glyph:glyphs){
+ ArrayList<Triangle> 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> tris = initializeTriangles(shaprness);
+ region.addTriangles(tris);
+
+ int numVertices = region.getNumVertices();
+ for(GlyphShape glyph:glyphs){
+ ArrayList<Vertex> gVertices = glyph.getVertices();
+ for(Vertex 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 Vertex getOrigin() {
+ return origin;
+ }
+
+ /** Destroy the associated OGL objects
+ */
+ public void destroy(){
+ region.destroy();
+ }
+}