diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java')
| -rwxr-xr-x | src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java | 408 |
1 files changed, 204 insertions, 204 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java index 827717aa5..724380f4a 100755 --- a/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java +++ b/src/jogl/classes/com/jogamp/graph/curve/OutlineShape.java @@ -50,13 +50,13 @@ import com.jogamp.graph.curve.tess.CDTriangulator2D; * <br><br>
* Example to creating an Outline Shape:
* <pre>
- addVertex(...)
- addVertex(...)
- addVertex(...)
- addEnptyOutline()
- addVertex(...)
- addVertex(...)
- addVertex(...)
+ addVertex(...)
+ addVertex(...)
+ addVertex(...)
+ addEnptyOutline()
+ addVertex(...)
+ addVertex(...)
+ addVertex(...)
* </pre>
*
* The above will create two outlines each with three vertices. By adding these two outlines to
@@ -72,10 +72,10 @@ import com.jogamp.graph.curve.tess.CDTriangulator2D; *
* <br>Example: <br>
* <pre>
- addVertex(0,0, true);
- addVertex(0,1, false);
- addVertex(1,1, false);
- addVertex(1,0, true);
+ addVertex(0,0, true);
+ addVertex(0,1, false);
+ addVertex(1,1, false);
+ addVertex(1,0, true);
* </pre>
*
* The above snippet defines a cubic nurbs curve where (0,1 and 1,1)
@@ -83,8 +83,8 @@ import com.jogamp.graph.curve.tess.CDTriangulator2D; *
* <i>Implementation Notes:</i><br>
* <ul>
- * <li> The first vertex of any outline belonging to the shape should be on-curve</li>
- * <li> Intersections between off-curved parts of the outline is not handled</li>
+ * <li> The first vertex of any outline belonging to the shape should be on-curve</li>
+ * <li> Intersections between off-curved parts of the outline is not handled</li>
* </ul>
*
* @see Outline
@@ -92,216 +92,216 @@ import com.jogamp.graph.curve.tess.CDTriangulator2D; */
public class OutlineShape {
- public static final int QUADRATIC_NURBS = 10;
- private final Vertex.Factory<? extends Vertex> vertexFactory;
+ public static final int QUADRATIC_NURBS = 10;
+ private final Vertex.Factory<? extends Vertex> vertexFactory;
- /** The list of {@link Outline}s that are part of this
- * outline shape.
- */
- private ArrayList<Outline> outlines = new ArrayList<Outline>(3);
+ /** The list of {@link Outline}s that are part of this
+ * outline shape.
+ */
+ private ArrayList<Outline> outlines = new ArrayList<Outline>(3);
- /** Create a new Outline based Shape
- */
- public OutlineShape(Vertex.Factory<? extends Vertex> factory) {
- vertexFactory = factory;
- outlines.add(new Outline());
- }
+ /** Create a new Outline based Shape
+ */
+ public OutlineShape(Vertex.Factory<? extends Vertex> factory) {
+ vertexFactory = factory;
+ outlines.add(new Outline());
+ }
- /** Returns the associated vertex factory of this outline shape
- * @return Vertex.Factory object
- */
- public final Vertex.Factory<? extends Vertex> vertexFactory() { return vertexFactory; }
+ /** Returns the associated vertex factory of this outline shape
+ * @return Vertex.Factory object
+ */
+ public final Vertex.Factory<? extends Vertex> vertexFactory() { return vertexFactory; }
- /** Add a new empty {@link Outline}
- * to the shape, this new outline will
- * be placed at the end of the outline list.
- *
- * After a call to this function all new vertices added
- * will belong to the new outline
- */
- public void addEmptyOutline(){
- outlines.add(new Outline());
- }
+ /** Add a new empty {@link Outline}
+ * to the shape, this new outline will
+ * be placed at the end of the outline list.
+ *
+ * After a call to this function all new vertices added
+ * will belong to the new outline
+ */
+ public void addEmptyOutline(){
+ outlines.add(new Outline());
+ }
- /** Adds an {@link Outline} to the OutlineShape object
- * if last outline of the shape is empty, it will replace
- * that last Outline with the new one. If outline is empty,
- * it will do nothing.
- * @param outline an Outline object
- */
- public void addOutline(Outline outline){
- if(outline.isEmpty()){
- return;
- }
- if(getLastOutline().isEmpty()){
- outlines.remove(getLastOutline());
- }
- outlines.add(outline);
- }
+ /** Adds an {@link Outline} to the OutlineShape object
+ * if last outline of the shape is empty, it will replace
+ * that last Outline with the new one. If outline is empty,
+ * it will do nothing.
+ * @param outline an Outline object
+ */
+ public void addOutline(Outline outline){
+ if(outline.isEmpty()){
+ return;
+ }
+ if(getLastOutline().isEmpty()){
+ outlines.remove(getLastOutline());
+ }
+ outlines.add(outline);
+ }
- /** Adds a vertex to the last open outline in the
- * shape.
- * @param v the vertex to be added to the OutlineShape
- */
- public final void addVertex(Vertex v){
- getLastOutline().addVertex(v);
- }
+ /** Adds a vertex to the last open outline in the
+ * shape.
+ * @param v the vertex to be added to the OutlineShape
+ */
+ public final void addVertex(Vertex v){
+ getLastOutline().addVertex(v);
+ }
- /** Add a 2D {@link Vertex} to the last outline by defining the coordniate attribute
- * of the vertex. The 2D vertex will be represented as Z=0.
- *
- * @param x the x coordinate
- * @param y the y coordniate
- * @param onCurve flag if this vertex is on the final curve or defines a curved region
- * of the shape around this vertex.
- */
- public final void addVertex(float x, float y, boolean onCurve) {
- getLastOutline().addVertex(vertexFactory, x, y, onCurve);
- }
+ /** Add a 2D {@link Vertex} to the last outline by defining the coordniate attribute
+ * of the vertex. The 2D vertex will be represented as Z=0.
+ *
+ * @param x the x coordinate
+ * @param y the y coordniate
+ * @param onCurve flag if this vertex is on the final curve or defines a curved region
+ * of the shape around this vertex.
+ */
+ public final void addVertex(float x, float y, boolean onCurve) {
+ getLastOutline().addVertex(vertexFactory, x, y, onCurve);
+ }
- /** Add a 3D {@link Vertex} to the last outline by defining the coordniate attribute
- * of the vertex.
- * @param x the x coordinate
- * @param y the y coordniate
- * @param z the z coordniate
- * @param onCurve flag if this vertex is on the final curve or defines a curved region
- * of the shape around this vertex.
- */
- public final void addVertex(float x, float y, float z, boolean onCurve) {
- getLastOutline().addVertex(vertexFactory, x, y, z, onCurve);
- }
+ /** Add a 3D {@link Vertex} to the last outline by defining the coordniate attribute
+ * of the vertex.
+ * @param x the x coordinate
+ * @param y the y coordniate
+ * @param z the z coordniate
+ * @param onCurve flag if this vertex is on the final curve or defines a curved region
+ * of the shape around this vertex.
+ */
+ public final void addVertex(float x, float y, float z, boolean onCurve) {
+ getLastOutline().addVertex(vertexFactory, x, y, z, onCurve);
+ }
- /** Add a vertex to the last outline by passing a float array and specifying the
- * offset and length in which. The attributes of the vertex are located.
- * The attributes should be continuous (stride = 0).
- * Attributes which value are not set (when length less than 3)
- * are set implicitly to zero.
- * @param coordsBuffer the coordinate array where the vertex attributes are to be picked from
- * @param offset the offset in the buffer to the x coordinate
- * @param length the number of attributes to pick from the buffer (maximum 3)
- * @param onCurve flag if this vertex is on the final curve or defines a curved region
- * of the shape around this vertex.
- */
- public final void addVertex(float[] coordsBuffer, int offset, int length, boolean onCurve) {
- getLastOutline().addVertex(vertexFactory, coordsBuffer, offset, length, onCurve);
- }
+ /** Add a vertex to the last outline by passing a float array and specifying the
+ * offset and length in which. The attributes of the vertex are located.
+ * The attributes should be continuous (stride = 0).
+ * Attributes which value are not set (when length less than 3)
+ * are set implicitly to zero.
+ * @param coordsBuffer the coordinate array where the vertex attributes are to be picked from
+ * @param offset the offset in the buffer to the x coordinate
+ * @param length the number of attributes to pick from the buffer (maximum 3)
+ * @param onCurve flag if this vertex is on the final curve or defines a curved region
+ * of the shape around this vertex.
+ */
+ public final void addVertex(float[] coordsBuffer, int offset, int length, boolean onCurve) {
+ getLastOutline().addVertex(vertexFactory, coordsBuffer, offset, length, onCurve);
+ }
- /** Closes the last outline in the shape
- * if last vertex is not equal to first vertex.
- * A new temp vertex is added at the end which
- * is equal to the first.
- */
- public void closeLastOutline(){
- getLastOutline().setClosed(true);
- }
+ /** Closes the last outline in the shape
+ * if last vertex is not equal to first vertex.
+ * A new temp vertex is added at the end which
+ * is equal to the first.
+ */
+ public void closeLastOutline(){
+ getLastOutline().setClosed(true);
+ }
- /** Get the last added outline to the list
- * of outlines that define the shape
- * @return the last outline
- */
- public final Outline getLastOutline(){
- return outlines.get(outlines.size()-1);
- }
- /** Make sure that the outlines represent
- * the specified destinationType, if not
- * transform outlines to destination type.
- * @param destinationType The curve type needed
- */
- public void transformOutlines(int destinationType){
- if(destinationType == QUADRATIC_NURBS){
- transformOutlinesQuadratic();
- }
- }
+ /** Get the last added outline to the list
+ * of outlines that define the shape
+ * @return the last outline
+ */
+ public final Outline getLastOutline(){
+ return outlines.get(outlines.size()-1);
+ }
+ /** Make sure that the outlines represent
+ * the specified destinationType, if not
+ * transform outlines to destination type.
+ * @param destinationType The curve type needed
+ */
+ public void transformOutlines(int destinationType){
+ if(destinationType == QUADRATIC_NURBS){
+ transformOutlinesQuadratic();
+ }
+ }
- private void transformOutlinesQuadratic(){
- ArrayList<Outline> newOutlines = new ArrayList<Outline>(3);
+ private void transformOutlinesQuadratic(){
+ ArrayList<Outline> newOutlines = new ArrayList<Outline>(3);
- /**loop over the outlines and make sure no
- * adj off-curve vertices
- */
- for(Outline outline:outlines){
- Outline newOutline = new Outline();
+ /**loop over the outlines and make sure no
+ * adj off-curve vertices
+ */
+ for(Outline outline:outlines){
+ Outline newOutline = new Outline();
- ArrayList<Vertex> vertices = outline.getVertices();
- int size =vertices.size()-1;
- for(int i=0;i<size;i++){
- Vertex currentVertex = vertices.get(i);
- Vertex nextVertex = vertices.get((i+1)%size);
- if(!(currentVertex.isOnCurve()) && !(nextVertex.isOnCurve())) {
- newOutline.addVertex(currentVertex);
+ ArrayList<Vertex> vertices = outline.getVertices();
+ int size =vertices.size()-1;
+ for(int i=0;i<size;i++){
+ Vertex currentVertex = vertices.get(i);
+ Vertex nextVertex = vertices.get((i+1)%size);
+ if(!(currentVertex.isOnCurve()) && !(nextVertex.isOnCurve())) {
+ newOutline.addVertex(currentVertex);
- float[] newCoords = VectorUtil.mid(currentVertex.getCoord(), nextVertex.getCoord());
- newOutline.addVertex(vertexFactory, newCoords, 0, 3, true);
- }
- else {
- newOutline.addVertex(currentVertex);
- }
- }
- newOutlines.add(newOutline);
- }
- outlines = newOutlines;
- }
+ float[] newCoords = VectorUtil.mid(currentVertex.getCoord(), nextVertex.getCoord());
+ newOutline.addVertex(vertexFactory, newCoords, 0, 3, true);
+ }
+ else {
+ newOutline.addVertex(currentVertex);
+ }
+ }
+ newOutlines.add(newOutline);
+ }
+ outlines = newOutlines;
+ }
- private void generateVertexIds(){
- int maxVertexId = 0;
- for(Outline outline:outlines){
- ArrayList<Vertex> vertices = outline.getVertices();
- for(Vertex vert:vertices){
- vert.setId(maxVertexId);
- maxVertexId++;
- }
- }
- }
+ private void generateVertexIds(){
+ int maxVertexId = 0;
+ for(Outline outline:outlines){
+ ArrayList<Vertex> vertices = outline.getVertices();
+ for(Vertex vert:vertices){
+ vert.setId(maxVertexId);
+ maxVertexId++;
+ }
+ }
+ }
- /** @return the list of vertices associated with the
- * {@code Outline} list of this object
- */
- public ArrayList<Vertex> getVertices(){
- ArrayList<Vertex> vertices = new ArrayList<Vertex>();
- for(Outline polyline:outlines){
- vertices.addAll(polyline.getVertices());
- }
- return vertices;
- }
+ /** @return the list of vertices associated with the
+ * {@code Outline} list of this object
+ */
+ public ArrayList<Vertex> getVertices(){
+ ArrayList<Vertex> vertices = new ArrayList<Vertex>();
+ for(Outline polyline:outlines){
+ vertices.addAll(polyline.getVertices());
+ }
+ return vertices;
+ }
- /** Triangulate the outline shape generating a list of triangles
- * @return an arraylist of triangles representing the filled region
- * which is produced by the combination of the outlines
- */
- public ArrayList<Triangle> triangulate(){
- return triangulate(0.5f);
- }
+ /** Triangulate the outline shape generating a list of triangles
+ * @return an arraylist of triangles representing the filled region
+ * which is produced by the combination of the outlines
+ */
+ public ArrayList<Triangle> triangulate(){
+ return triangulate(0.5f);
+ }
- /**Triangulate the {@link OutlineShape} generating a list of triangles
- * @param sharpness defines the curvature strength around the off-curve vertices.
- * defaults to 0.5f
- * @return an arraylist of triangles representing the filled region
- * which is produced by the combination of the outlines
- */
- public ArrayList<Triangle> triangulate(float sharpness){
- if(outlines.size() == 0){
- return null;
- }
- sortOutlines();
- generateVertexIds();
-
- CDTriangulator2D triangulator2d = new CDTriangulator2D(sharpness);
- for(int index = 0; index< outlines.size();index++){
- Outline outline = outlines.get(index);
- triangulator2d.addCurve(outline);
- }
-
- ArrayList<Triangle> triangles = triangulator2d.generateTriangulation();
- triangulator2d.reset();
+ /**Triangulate the {@link OutlineShape} generating a list of triangles
+ * @param sharpness defines the curvature strength around the off-curve vertices.
+ * defaults to 0.5f
+ * @return an arraylist of triangles representing the filled region
+ * which is produced by the combination of the outlines
+ */
+ public ArrayList<Triangle> triangulate(float sharpness){
+ if(outlines.size() == 0){
+ return null;
+ }
+ sortOutlines();
+ generateVertexIds();
+
+ CDTriangulator2D triangulator2d = new CDTriangulator2D(sharpness);
+ for(int index = 0; index< outlines.size();index++){
+ Outline outline = outlines.get(index);
+ triangulator2d.addCurve(outline);
+ }
+
+ ArrayList<Triangle> triangles = triangulator2d.generateTriangulation();
+ triangulator2d.reset();
- return triangles;
- }
+ return triangles;
+ }
- /** Sort the outlines from large
- * to small depending on the AABox
- */
- private void sortOutlines() {
- Collections.sort(outlines);
- Collections.reverse(outlines);
- }
+ /** Sort the outlines from large
+ * to small depending on the AABox
+ */
+ private void sortOutlines() {
+ Collections.sort(outlines);
+ Collections.reverse(outlines);
+ }
}
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