diff options
| -rw-r--r-- | build.xml | 4 | ||||
| -rw-r--r-- | src/javax/media/j3d/Font3D.java | 45 | ||||
| -rw-r--r-- | src/javax/media/j3d/GeometryService.java | 40 |
3 files changed, 64 insertions, 25 deletions
@@ -88,7 +88,7 @@ <copy todir="${class.dir}"> <fileset dir="${src.dir}" includes="**/*.properties"/> - <fileset dir="${j3dtools.src.dir}" includes="**/*.properties"/> + <fileset dir="${j3dtools.src.dir}" includes="META-INF/** **/*.properties"/> </copy> </target> @@ -122,7 +122,7 @@ <attribute name="Extension-Name" value="javax.media.j3d"/> <attribute name="Implementation-Vendor-Id" value="${build.impl.vendor.id}"/> </manifest> - <fileset dir="${class.dir}" includes="com/**/*"/> + <fileset dir="${class.dir}" includes="META-INF/** com/**/*"/> </jar> <zip destfile="${build.dir}/jars/j3dcore-src.zip"> diff --git a/src/javax/media/j3d/Font3D.java b/src/javax/media/j3d/Font3D.java index 7dc3a44..0d7c631 100644 --- a/src/javax/media/j3d/Font3D.java +++ b/src/javax/media/j3d/Font3D.java @@ -37,14 +37,13 @@ import java.awt.geom.Rectangle2D; import java.util.ArrayList; import java.util.Arrays; import java.util.Hashtable; +import java.util.Iterator; +import java.util.ServiceLoader; import javax.vecmath.Point3d; import javax.vecmath.Point3f; import javax.vecmath.Vector3f; -import com.sun.j3d.utils.geometry.GeometryInfo; -import com.sun.j3d.utils.geometry.NormalGenerator; - /** * The Font3D object is used to store extruded 2D glyphs. These * 3D glyphs can then be used to construct Text3D NodeComponent @@ -460,29 +459,19 @@ private static class IntVector { vertices = null; int[] contourCounts = new int[1]; - int currCoordIndex = 0, vertOffset = 0; - ArrayList<GeometryArray> triangData = new ArrayList<GeometryArray>(); + ArrayList<GeometryArray> triangData = new ArrayList<GeometryArray>(); Point3f q1 = new Point3f(), q2 = new Point3f(), q3 = new Point3f(); Vector3f n1 = new Vector3f(), n2 = new Vector3f(); numPoints = 0; - //Now loop thru each island, calling triangulator once per island. - //Combine triangle data for all islands together in one object. - NormalGenerator ng = new NormalGenerator(); - for (i = 0; i < islandCounts.length; i++) { - contourCounts[0] = islandCounts[i].length; - numPoints += outVerts[i].length; - GeometryInfo gi = new GeometryInfo(GeometryInfo.POLYGON_ARRAY); - gi.setCoordinates(outVerts[i]); - gi.setStripCounts(islandCounts[i]); - gi.setContourCounts(contourCounts); - ng.generateNormals(gi); - - GeometryArray ga = gi.getGeometryArray(false, false, false); - vertOffset += ga.getVertexCount(); - - triangData.add(ga); - } + for (i = 0; i < islandCounts.length; i++) { + numPoints += outVerts[i].length; + } + + final GeometryService gs = newGeometryService(); + int vertOffset = + gs.triangulateIslands(islandCounts, outVerts, contourCounts, triangData); + // Multiply by 2 since we create 2 faces of the font // Second term is for side-faces along depth of the font if (fontExtrusion == null) @@ -508,7 +497,7 @@ private static class IntVector { // last known non-degenerate normal Vector3f goodNormal = new Vector3f(); - + int currCoordIndex = 0; for (j=0;j < islandCounts.length;j++) { GeometryArray ga = triangData.get(j); vertOffset = ga.getVertexCount(); @@ -957,6 +946,16 @@ private static class IntVector { return geo; } + private GeometryService newGeometryService() { + final ServiceLoader<GeometryService> gsLoader = + ServiceLoader.load(GeometryService.class); + + final Iterator<GeometryService> iter = gsLoader.iterator(); + if (iter.hasNext()) return iter.next(); + + throw new IllegalStateException("No GeometryService implementation found. " + + "Please add j3d-core-utils to the classpath."); + } static boolean getNormal(Point3f p1, Point3f p2, Point3f p3, Vector3f normal) { Vector3f v1 = new Vector3f(); diff --git a/src/javax/media/j3d/GeometryService.java b/src/javax/media/j3d/GeometryService.java new file mode 100644 index 0000000..346087c --- /dev/null +++ b/src/javax/media/j3d/GeometryService.java @@ -0,0 +1,40 @@ + +package javax.media.j3d; + +import java.util.ArrayList; + +import javax.vecmath.Point3f; + +/** + * A service interface for certain geometric operations that are not available + * in core Java 3D. + * <p> + * In particular, the {@code j3d-core-utils} project provides additional + * functionality under a different license, which is needed in some + * circumstances by core Java 3D. Thus, historically, these two projects have + * been co-dependent. This interface breaks the circular dependency by using + * Java's service discovery mechanism: if {@code j3d-core-utils} is present on + * the classpath, its {@code GeometryServiceImpl} will provide the functionality + * defined here. Or if not (i.e., no suitable {@code GeometryService} + * implementation can be discovered and instantiated}), then the Java3D core + * will fail as gracefully as possible. + * </p> + * + * @see Font3D#triangulateGlyphs + */ +public interface GeometryService { + + /** + * Loops through each island, calling triangulator once per island. Combines + * triangle data for all islands together in one object. + * + * @param islandCounts TODO + * @param outVerts TODO + * @param contourCounts TODO + * @param triangData TODO + * @return total vertex count of the combined array + */ + int triangulateIslands(int[][] islandCounts, Point3f[][] outVerts, + int[] contourCounts, ArrayList<GeometryArray> triangData); + +} |