diff options
Diffstat (limited to 'src/jogl/classes/jogamp/graph/font')
-rw-r--r-- | src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java | 444 |
1 files changed, 222 insertions, 222 deletions
diff --git a/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java b/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java index 916c7b4d8..f155345aa 100644 --- a/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java +++ b/src/jogl/classes/jogamp/graph/font/typecast/TypecastRenderer.java @@ -1,222 +1,222 @@ -/**
- * 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.FontInt.GlyphInt;
-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.font.Font.Glyph;
-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.getAdvanceWidth(Glyph.ID_SPACE, pixelSize);
- continue;
- }
- Glyph glyph = font.getGlyph(character);
- Path2D gp = ((GlyphInt)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;
- }
-}
+/** + * 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.FontInt.GlyphInt; +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.font.Font.Glyph; +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.getAdvanceWidth(Glyph.ID_SPACE, pixelSize); + continue; + } + Glyph glyph = font.getGlyph(character); + Path2D gp = ((GlyphInt)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; + } +} |