diff options
author | Sven Gothel <sgothel@jausoft.com> | 2011-06-26 07:49:23 +0200 |
---|---|---|
committer | Sven Gothel <sgothel@jausoft.com> | 2011-06-26 07:49:23 +0200 |
commit | f3c91d904a22fe29f3b122085722a8b05bbae63a (patch) | |
tree | 5f9fa6e2b2fcb5001b521644d84f63af693d6dc3 /src/jogl/classes/jogamp | |
parent | f73138e52eb9829b6315f552a9a159acfed040c8 (diff) | |
parent | b71946ce8b1b7ce9ca3d26c554d4a9862aabd577 (diff) |
Merge remote-tracking branch 'rsantina/master'
Diffstat (limited to 'src/jogl/classes/jogamp')
-rw-r--r-- | src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java | 441 |
1 files changed, 220 insertions, 221 deletions
diff --git a/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java b/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java index 86d4d2a3d..b3ee9c95b 100644 --- a/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java +++ b/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java @@ -1,221 +1,220 @@ -/** - * Copyright 2011 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.font.typecast; - -import java.util.ArrayList; - -import jogamp.graph.font.typecast.ot.OTGlyph; -import jogamp.graph.font.typecast.ot.Point; -import jogamp.graph.geom.plane.AffineTransform; -import jogamp.graph.geom.plane.Path2D; -import jogamp.graph.geom.plane.PathIterator; - -import com.jogamp.graph.curve.OutlineShape; -import com.jogamp.graph.font.Font; -import com.jogamp.graph.geom.Vertex; -import com.jogamp.graph.geom.Vertex.Factory; - -/** - * Factory to build a {@link com.jogamp.graph.geom.Path2D Path2D} from - * {@link jogamp.graph.font.typecast.ot.OTGlyph Glyph}s. - */ -public class TypecastRenderer { - - private static void getPaths(TypecastFont font, - CharSequence string, float pixelSize, AffineTransform transform, Path2D[] p) - { - if (string == null) { - return; - } - Font.Metrics metrics = font.getMetrics(); - float advanceTotal = 0; - float lineGap = metrics.getLineGap(pixelSize) ; - float ascent = metrics.getAscent(pixelSize) ; - float descent = metrics.getDescent(pixelSize) ; - if (transform == null) { - transform = new AffineTransform(); - } - AffineTransform t = new AffineTransform(); - - float advanceY = lineGap - descent + ascent; - float y = 0; - for (int i=0; i<string.length(); i++) - { - p[i] = new Path2D(); - p[i].reset(); - t.setTransform(transform); - char character = string.charAt(i); - if (character == '\n') { - y += advanceY; - advanceTotal = 0; - continue; - } else if (character == ' ') { - advanceTotal += font.font.getHmtxTable().getAdvanceWidth(TypecastGlyph.ID_SPACE) * metrics.getScale(pixelSize); - continue; - } - TypecastGlyph glyph = (TypecastGlyph) font.getGlyph(character); - Path2D gp = glyph.getPath(); - float scale = metrics.getScale(pixelSize); - t.translate(advanceTotal, y); - t.scale(scale, scale); - p[i].append(gp.iterator(t), false); - advanceTotal += glyph.getAdvance(pixelSize, true); - } - } - - public static ArrayList<OutlineShape> getOutlineShapes(TypecastFont font, CharSequence string, float pixelSize, AffineTransform transform, Factory<? extends Vertex> vertexFactory) { - Path2D[] paths = new Path2D[string.length()]; - getPaths(font, string, pixelSize, transform, paths); - - ArrayList<OutlineShape> shapes = new ArrayList<OutlineShape>(); - final int numGlyps = paths.length; - for (int index=0;index<numGlyps;index++) { - if(paths[index] == null){ - continue; - } - OutlineShape shape = new OutlineShape(vertexFactory); - shapes.add(shape); - PathIterator iterator = paths[index].iterator(transform); - if(null != iterator){ - while(!iterator.isDone()){ - float[] coords = new float[6]; - int segmentType = iterator.currentSegment(coords); - addPathVertexToOutline(shape, vertexFactory, coords, segmentType); - iterator.next(); - } - } - } - return shapes; - } - private static void addPathVertexToOutline(OutlineShape shape, Factory<? extends Vertex> vertexFactory, float[] coords, int segmentType){ - switch(segmentType) { - case PathIterator.SEG_MOVETO: - shape.closeLastOutline(); - shape.addEmptyOutline(); - shape.addVertex(0, vertexFactory.create(coords, 0, 2, true)); - //numVertices++; - break; - case PathIterator.SEG_LINETO: - shape.addVertex(0, vertexFactory.create(coords, 0, 2, true)); - break; - case PathIterator.SEG_QUADTO: - shape.addVertex(0, vertexFactory.create(coords, 0, 2, false)); - shape.addVertex(0, vertexFactory.create(coords, 2, 2, true)); - break; - case PathIterator.SEG_CUBICTO: - shape.addVertex(0, vertexFactory.create(coords, 0, 2, false)); - shape.addVertex(0, vertexFactory.create(coords, 2, 2, false)); - shape.addVertex(0, vertexFactory.create(coords, 4, 2, true)); - break; - case PathIterator.SEG_CLOSE: - shape.closeLastOutline(); - break; - default: - throw new IllegalArgumentException("Unhandled Segment Type: "+segmentType); - } - } - - /** - * Build a {@link com.jogamp.graph.geom.Path2D Path2D} from a - * {@link jogamp.graph.font.typecast.ot.OTGlyph Glyph}. This glyph path can then - * be transformed and rendered. - */ - public static Path2D buildPath(OTGlyph glyph) { - - if (glyph == null) { - return null; - } - - Path2D glyphPath = new Path2D(); - - // Iterate through all of the points in the glyph. Each time we find a - // contour end point, add the point range to the path. - int firstIndex = 0; - int count = 0; - for (int i = 0; i < glyph.getPointCount(); i++) { - count++; - if (glyph.getPoint(i).endOfContour) { - addContourToPath(glyphPath, glyph, firstIndex, count); - firstIndex = i + 1; - count = 0; - } - } - return glyphPath; - } - - private static void addContourToPath(Path2D gp, OTGlyph glyph, int startIndex, int count) { - int offset = 0; - while (offset < count) { - Point point = glyph.getPoint(startIndex + offset%count); - Point point_plus1 = glyph.getPoint(startIndex + (offset+1)%count); - Point point_plus2 = glyph.getPoint(startIndex + (offset+2)%count); - if(offset == 0) - { - gp.moveTo(point.x, point.y); - } - - if (point.onCurve) { - if (point_plus1.onCurve) { - // s = new Line2D.Float(point.x, point.y, point_plus1.x, point_plus1.y); - gp.lineTo( point_plus1.x, point_plus1.y ); - offset++; - } else { - if (point_plus2.onCurve) { - // s = new QuadCurve2D.Float( point.x, point.y, point_plus1.x, point_plus1.y, point_plus2.x, point_plus2.y); - gp.quadTo(point_plus1.x, point_plus1.y, point_plus2.x, point_plus2.y); - offset+=2; - } else { - // s = new QuadCurve2D.Float(point.x,point.y,point_plus1.x,point_plus1.y, - // midValue(point_plus1.x, point_plus2.x), midValue(point_plus1.y, point_plus2.y)); - gp.quadTo(point_plus1.x, point_plus1.y, midValue(point_plus1.x, point_plus2.x), midValue(point_plus1.y, point_plus2.y)); - offset+=2; - } - } - } else { - if (point_plus1.onCurve) { - // s = new QuadCurve2D.Float(midValue(point_minus1.x, point.x), midValue(point_minus1.y, point.y), - // point.x, point.y, point_plus1.x, point_plus1.y); - //gp.curve3(point_plus1.x, point_plus1.y, point.x, point.y); - gp.quadTo(point.x, point.y, point_plus1.x, point_plus1.y); - offset++; - - } else { - // s = new QuadCurve2D.Float(midValue(point_minus1.x, point.x), midValue(point_minus1.y, point.y), point.x, point.y, - // midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y)); - //gp.curve3(midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y), point.x, point.y); - gp.quadTo(point.x, point.y, midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y)); - offset++; - } - } - } - } - - private static int midValue(int a, int b) { - return a + (b - a)/2; - } -} +/**
+ * Copyright 2011 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.font.typecast;
+
+import java.util.ArrayList;
+
+import jogamp.graph.font.typecast.ot.OTGlyph;
+import jogamp.graph.font.typecast.ot.Point;
+import jogamp.graph.geom.plane.AffineTransform;
+import jogamp.graph.geom.plane.Path2D;
+import jogamp.graph.geom.plane.PathIterator;
+
+import com.jogamp.graph.curve.OutlineShape;
+import com.jogamp.graph.font.Font;
+import com.jogamp.graph.geom.Vertex;
+import com.jogamp.graph.geom.Vertex.Factory;
+
+/**
+ * Factory to build a {@link com.jogamp.graph.geom.Path2D Path2D} from
+ * {@link jogamp.graph.font.typecast.ot.OTGlyph Glyph}s.
+ */
+public class TypecastRenderer {
+
+ private static void getPaths(TypecastFont font,
+ CharSequence string, float pixelSize, AffineTransform transform, Path2D[] p)
+ {
+ if (string == null) {
+ return;
+ }
+ Font.Metrics metrics = font.getMetrics();
+ float advanceTotal = 0;
+ float lineGap = metrics.getLineGap(pixelSize) ;
+ float ascent = metrics.getAscent(pixelSize) ;
+ float descent = metrics.getDescent(pixelSize) ;
+ if (transform == null) {
+ transform = new AffineTransform();
+ }
+ AffineTransform t = new AffineTransform();
+
+ float advanceY = lineGap - descent + ascent;
+ float y = 0;
+ for (int i=0; i<string.length(); i++)
+ {
+ p[i] = new Path2D();
+ p[i].reset();
+ t.setTransform(transform);
+ char character = string.charAt(i);
+ if (character == '\n') {
+ y += advanceY;
+ advanceTotal = 0;
+ continue;
+ } else if (character == ' ') {
+ advanceTotal += font.font.getHmtxTable().getAdvanceWidth(TypecastGlyph.ID_SPACE) * metrics.getScale(pixelSize);
+ continue;
+ }
+ TypecastGlyph glyph = (TypecastGlyph) font.getGlyph(character);
+ Path2D gp = glyph.getPath();
+ float scale = metrics.getScale(pixelSize);
+ t.translate(advanceTotal, y);
+ t.scale(scale, scale);
+ p[i].append(gp.iterator(t), false);
+ advanceTotal += glyph.getAdvance(pixelSize, true);
+ }
+ }
+
+ public static ArrayList<OutlineShape> getOutlineShapes(TypecastFont font, CharSequence string, float pixelSize, AffineTransform transform, Factory<? extends Vertex> vertexFactory) {
+ Path2D[] paths = new Path2D[string.length()];
+ getPaths(font, string, pixelSize, transform, paths);
+
+ ArrayList<OutlineShape> shapes = new ArrayList<OutlineShape>();
+ final int numGlyps = paths.length;
+ for (int index=0;index<numGlyps;index++) {
+ if(paths[index] == null){
+ continue;
+ }
+ OutlineShape shape = new OutlineShape(vertexFactory);
+ shapes.add(shape);
+ PathIterator iterator = paths[index].iterator(transform);
+ if(null != iterator){
+ while(!iterator.isDone()){
+ float[] coords = new float[6];
+ int segmentType = iterator.currentSegment(coords);
+ addPathVertexToOutline(shape, vertexFactory, coords, segmentType);
+ iterator.next();
+ }
+ }
+ }
+ return shapes;
+ }
+ private static void addPathVertexToOutline(OutlineShape shape, Factory<? extends Vertex> vertexFactory, float[] coords, int segmentType){
+ switch(segmentType) {
+ case PathIterator.SEG_MOVETO:
+ shape.closeLastOutline();
+ shape.addEmptyOutline();
+ shape.addVertex(0, vertexFactory.create(coords, 0, 2, true));
+ break;
+ case PathIterator.SEG_LINETO:
+ shape.addVertex(0, vertexFactory.create(coords, 0, 2, true));
+ break;
+ case PathIterator.SEG_QUADTO:
+ shape.addVertex(0, vertexFactory.create(coords, 0, 2, false));
+ shape.addVertex(0, vertexFactory.create(coords, 2, 2, true));
+ break;
+ case PathIterator.SEG_CUBICTO:
+ shape.addVertex(0, vertexFactory.create(coords, 0, 2, false));
+ shape.addVertex(0, vertexFactory.create(coords, 2, 2, false));
+ shape.addVertex(0, vertexFactory.create(coords, 4, 2, true));
+ break;
+ case PathIterator.SEG_CLOSE:
+ shape.closeLastOutline();
+ break;
+ default:
+ throw new IllegalArgumentException("Unhandled Segment Type: "+segmentType);
+ }
+ }
+
+ /**
+ * Build a {@link com.jogamp.graph.geom.Path2D Path2D} from a
+ * {@link jogamp.graph.font.typecast.ot.OTGlyph Glyph}. This glyph path can then
+ * be transformed and rendered.
+ */
+ public static Path2D buildPath(OTGlyph glyph) {
+
+ if (glyph == null) {
+ return null;
+ }
+
+ Path2D glyphPath = new Path2D();
+
+ // Iterate through all of the points in the glyph. Each time we find a
+ // contour end point, add the point range to the path.
+ int firstIndex = 0;
+ int count = 0;
+ for (int i = 0; i < glyph.getPointCount(); i++) {
+ count++;
+ if (glyph.getPoint(i).endOfContour) {
+ addContourToPath(glyphPath, glyph, firstIndex, count);
+ firstIndex = i + 1;
+ count = 0;
+ }
+ }
+ return glyphPath;
+ }
+
+ private static void addContourToPath(Path2D gp, OTGlyph glyph, int startIndex, int count) {
+ int offset = 0;
+ while (offset < count) {
+ Point point = glyph.getPoint(startIndex + offset%count);
+ Point point_plus1 = glyph.getPoint(startIndex + (offset+1)%count);
+ Point point_plus2 = glyph.getPoint(startIndex + (offset+2)%count);
+ if(offset == 0)
+ {
+ gp.moveTo(point.x, point.y);
+ }
+
+ if (point.onCurve) {
+ if (point_plus1.onCurve) {
+ // s = new Line2D.Float(point.x, point.y, point_plus1.x, point_plus1.y);
+ gp.lineTo( point_plus1.x, point_plus1.y );
+ offset++;
+ } else {
+ if (point_plus2.onCurve) {
+ // s = new QuadCurve2D.Float( point.x, point.y, point_plus1.x, point_plus1.y, point_plus2.x, point_plus2.y);
+ gp.quadTo(point_plus1.x, point_plus1.y, point_plus2.x, point_plus2.y);
+ offset+=2;
+ } else {
+ // s = new QuadCurve2D.Float(point.x,point.y,point_plus1.x,point_plus1.y,
+ // midValue(point_plus1.x, point_plus2.x), midValue(point_plus1.y, point_plus2.y));
+ gp.quadTo(point_plus1.x, point_plus1.y, midValue(point_plus1.x, point_plus2.x), midValue(point_plus1.y, point_plus2.y));
+ offset+=2;
+ }
+ }
+ } else {
+ if (point_plus1.onCurve) {
+ // s = new QuadCurve2D.Float(midValue(point_minus1.x, point.x), midValue(point_minus1.y, point.y),
+ // point.x, point.y, point_plus1.x, point_plus1.y);
+ //gp.curve3(point_plus1.x, point_plus1.y, point.x, point.y);
+ gp.quadTo(point.x, point.y, point_plus1.x, point_plus1.y);
+ offset++;
+
+ } else {
+ // s = new QuadCurve2D.Float(midValue(point_minus1.x, point.x), midValue(point_minus1.y, point.y), point.x, point.y,
+ // midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y));
+ //gp.curve3(midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y), point.x, point.y);
+ gp.quadTo(point.x, point.y, midValue(point.x, point_plus1.x), midValue(point.y, point_plus1.y));
+ offset++;
+ }
+ }
+ }
+ }
+
+ private static int midValue(int a, int b) {
+ return a + (b - a)/2;
+ }
+}
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