diff options
Diffstat (limited to 'src/jogl/classes/com/jogamp/graph/geom')
| -rw-r--r-- | src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java | 167 | ||||
| -rw-r--r-- | src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java | 26 |
2 files changed, 113 insertions, 80 deletions
diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java b/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java index 02260d604..d3a75c38c 100644 --- a/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java +++ b/src/jogl/classes/com/jogamp/graph/geom/plane/Path2D.java @@ -16,6 +16,7 @@ */ /** * @author Denis M. Kishenko + * @author Sven Gothel */ package com.jogamp.graph.geom.plane; @@ -47,27 +48,27 @@ public final class Path2D implements Cloneable { /** * The point's types buffer */ - byte[] types; + byte[] m_types; /** * The points buffer */ - float[] points; + float[] m_points; /** * The point's type buffer size */ - int typeSize; + int m_typeSize; /** * The points buffer size */ - int pointSize; + int m_pointSize; /** * The path rule */ - int rule; + int m_rule; /** * The space amount in points buffer for different segmenet's types @@ -128,8 +129,17 @@ public final class Path2D implements Cloneable { } @Override + public int index() { return typeIndex; } + + @Override + public float[] points() { return p.m_points; } + + @Override + public int getType(final int idx) { return p.m_types[idx]; } + + @Override public boolean isDone() { - return typeIndex >= p.typeSize; + return typeIndex >= p.m_typeSize; } @Override @@ -142,9 +152,9 @@ public final class Path2D implements Cloneable { if (isDone()) { throw new NoSuchElementException(iteratorOutOfBounds); } - final int type = p.types[typeIndex]; + final int type = p.m_types[typeIndex]; final int count = Path2D.pointShift[type]; - System.arraycopy(p.points, pointIndex, coords, 0, count); + System.arraycopy(p.m_points, pointIndex, coords, 0, count); if (t != null) { t.transform(coords, 0, coords, 0, count / 2); } @@ -154,6 +164,10 @@ public final class Path2D implements Cloneable { } + public float[] points() { return m_points; } + public int getType(final int idx) { return m_types[idx]; } + public static int getPointCount(final int type) { return pointShift[type]; } + public Path2D() { this(WIND_NON_ZERO, BUFFER_SIZE); } @@ -164,8 +178,8 @@ public final class Path2D implements Cloneable { public Path2D(final int rule, final int initialCapacity) { setWindingRule(rule); - types = new byte[initialCapacity]; - points = new float[initialCapacity * 2]; + m_types = new byte[initialCapacity]; + m_points = new float[initialCapacity * 2]; } public Path2D(final Path2D path) { @@ -179,11 +193,11 @@ public final class Path2D implements Cloneable { if (rule != WIND_EVEN_ODD && rule != WIND_NON_ZERO) { throw new NoSuchElementException(invalidWindingRuleValue); } - this.rule = rule; + this.m_rule = rule; } public int getWindingRule() { - return rule; + return m_rule; } /** @@ -191,72 +205,72 @@ public final class Path2D implements Cloneable { * @param pointCount - the point count to be added in buffer */ void checkBuf(final int pointCount, final boolean checkMove) { - if (checkMove && typeSize == 0) { + if (checkMove && m_typeSize == 0) { throw new IllegalPathStateException("First segment should be SEG_MOVETO type"); } - if (typeSize == types.length) { - final byte tmp[] = new byte[typeSize + BUFFER_CAPACITY]; - System.arraycopy(types, 0, tmp, 0, typeSize); - types = tmp; + if (m_typeSize == m_types.length) { + final byte tmp[] = new byte[m_typeSize + BUFFER_CAPACITY]; + System.arraycopy(m_types, 0, tmp, 0, m_typeSize); + m_types = tmp; } - if (pointSize + pointCount > points.length) { - final float tmp[] = new float[pointSize + Math.max(BUFFER_CAPACITY * 2, pointCount)]; - System.arraycopy(points, 0, tmp, 0, pointSize); - points = tmp; + if (m_pointSize + pointCount > m_points.length) { + final float tmp[] = new float[m_pointSize + Math.max(BUFFER_CAPACITY * 2, pointCount)]; + System.arraycopy(m_points, 0, tmp, 0, m_pointSize); + m_points = tmp; } } public void moveTo(final float x, final float y) { - if (typeSize > 0 && types[typeSize - 1] == PathIterator.SEG_MOVETO) { - points[pointSize - 2] = x; - points[pointSize - 1] = y; + if (m_typeSize > 0 && m_types[m_typeSize - 1] == PathIterator.SEG_MOVETO) { + m_points[m_pointSize - 2] = x; + m_points[m_pointSize - 1] = y; } else { checkBuf(2, false); - types[typeSize++] = PathIterator.SEG_MOVETO; - points[pointSize++] = x; - points[pointSize++] = y; + m_types[m_typeSize++] = PathIterator.SEG_MOVETO; + m_points[m_pointSize++] = x; + m_points[m_pointSize++] = y; } } public void lineTo(final float x, final float y) { checkBuf(2, true); - types[typeSize++] = PathIterator.SEG_LINETO; - points[pointSize++] = x; - points[pointSize++] = y; + m_types[m_typeSize++] = PathIterator.SEG_LINETO; + m_points[m_pointSize++] = x; + m_points[m_pointSize++] = y; } public void quadTo(final float x1, final float y1, final float x2, final float y2) { checkBuf(4, true); - types[typeSize++] = PathIterator.SEG_QUADTO; - points[pointSize++] = x1; - points[pointSize++] = y1; - points[pointSize++] = x2; - points[pointSize++] = y2; + m_types[m_typeSize++] = PathIterator.SEG_QUADTO; + m_points[m_pointSize++] = x1; + m_points[m_pointSize++] = y1; + m_points[m_pointSize++] = x2; + m_points[m_pointSize++] = y2; } public void curveTo(final float x1, final float y1, final float x2, final float y2, final float x3, final float y3) { checkBuf(6, true); - types[typeSize++] = PathIterator.SEG_CUBICTO; - points[pointSize++] = x1; - points[pointSize++] = y1; - points[pointSize++] = x2; - points[pointSize++] = y2; - points[pointSize++] = x3; - points[pointSize++] = y3; + m_types[m_typeSize++] = PathIterator.SEG_CUBICTO; + m_points[m_pointSize++] = x1; + m_points[m_pointSize++] = y1; + m_points[m_pointSize++] = x2; + m_points[m_pointSize++] = y2; + m_points[m_pointSize++] = x3; + m_points[m_pointSize++] = y3; } final public int size() { - return typeSize; + return m_typeSize; } final public boolean isClosed() { - return typeSize > 0 && types[typeSize - 1] == PathIterator.SEG_CLOSE ; + return m_typeSize > 0 && m_types[m_typeSize - 1] == PathIterator.SEG_CLOSE ; } public void closePath() { if (!isClosed()) { checkBuf(0, true); - types[typeSize++] = PathIterator.SEG_CLOSE; + m_types[m_typeSize++] = PathIterator.SEG_CLOSE; } } @@ -271,36 +285,37 @@ public final class Path2D implements Cloneable { } public void append(final PathIterator path, boolean connect) { - while (!path.isDone()) { - final float coords[] = new float[6]; - final int segmentType = path.currentSegment(coords); - switch (segmentType) { + final float[] points = path.points(); + while ( !path.isDone() ) { + final int index = path.index(); + final int type = path.getType(index); + switch ( type ) { case PathIterator.SEG_MOVETO: - if (!connect || typeSize == 0) { - moveTo(coords[0], coords[1]); + if (!connect || m_typeSize == 0) { + moveTo(points[index+0], points[index+1]); break; } - if (types[typeSize - 1] != PathIterator.SEG_CLOSE && - points[pointSize - 2] == coords[0] && - points[pointSize - 1] == coords[1]) + if (m_types[m_typeSize - 1] != PathIterator.SEG_CLOSE && + m_points[m_pointSize - 2] == points[index+0] && + m_points[m_pointSize - 1] == points[index+1]) { break; } // NO BREAK; case PathIterator.SEG_LINETO: - lineTo(coords[0], coords[1]); + lineTo(points[index+0], points[index+1]); break; case PathIterator.SEG_QUADTO: - quadTo(coords[0], coords[1], coords[2], coords[3]); + quadTo(points[index+0], points[index+1], points[index+2], points[index+3]); break; case PathIterator.SEG_CUBICTO: - curveTo(coords[0], coords[1], coords[2], coords[3], coords[4], coords[5]); + curveTo(points[index+0], points[index+1], points[index+2], points[index+3], points[index+4], points[index+5]); break; case PathIterator.SEG_CLOSE: closePath(); break; default: - throw new IllegalArgumentException("Unhandled Segment Type: "+segmentType); + throw new IllegalArgumentException("Unhandled Segment Type: "+type); } path.next(); connect = false; @@ -308,30 +323,30 @@ public final class Path2D implements Cloneable { } public SVertex getCurrentPoint() { - if (typeSize == 0) { + if (m_typeSize == 0) { return null; } - int j = pointSize - 2; - if (types[typeSize - 1] == PathIterator.SEG_CLOSE) { + int j = m_pointSize - 2; + if (m_types[m_typeSize - 1] == PathIterator.SEG_CLOSE) { - for (int i = typeSize - 2; i > 0; i--) { - final int type = types[i]; + for (int i = m_typeSize - 2; i > 0; i--) { + final int type = m_types[i]; if (type == PathIterator.SEG_MOVETO) { break; } j -= pointShift[type]; } } - return new SVertex(points[j], points[j + 1], 0f, true); + return new SVertex(m_points[j], m_points[j + 1], 0f, true); } public void reset() { - typeSize = 0; - pointSize = 0; + m_typeSize = 0; + m_pointSize = 0; } public void transform(final AffineTransform t) { - t.transform(points, 0, points, 0, pointSize / 2); + t.transform(m_points, 0, m_points, 0, m_pointSize / 2); } public Path2D createTransformedShape(final AffineTransform t) { @@ -344,15 +359,15 @@ public final class Path2D implements Cloneable { public final synchronized AABBox getBounds2D() { float rx1, ry1, rx2, ry2; - if (pointSize == 0) { + if (m_pointSize == 0) { rx1 = ry1 = rx2 = ry2 = 0.0f; } else { - int i = pointSize - 1; - ry1 = ry2 = points[i--]; - rx1 = rx2 = points[i--]; + int i = m_pointSize - 1; + ry1 = ry2 = m_points[i--]; + rx1 = rx2 = m_points[i--]; while (i > 0) { - final float y = points[i--]; - final float x = points[i--]; + final float y = m_points[i--]; + final float x = m_points[i--]; if (x < rx1) { rx1 = x; } else @@ -376,7 +391,7 @@ public final class Path2D implements Cloneable { * @return true if point is inside path, or false otherwise */ boolean isInside(final int cross) { - if (rule == WIND_NON_ZERO) { + if (m_rule == WIND_NON_ZERO) { return Crossing.isInsideNonZero(cross); } return Crossing.isInsideEvenOdd(cross); @@ -424,8 +439,8 @@ public final class Path2D implements Cloneable { public Object clone() { try { final Path2D p = (Path2D) super.clone(); - p.types = types.clone(); - p.points = points.clone(); + p.m_types = m_types.clone(); + p.m_points = m_points.clone(); return p; } catch (final CloneNotSupportedException e) { throw new InternalError(); diff --git a/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java b/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java index b4681df0a..3aae2a172 100644 --- a/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java +++ b/src/jogl/classes/com/jogamp/graph/geom/plane/PathIterator.java @@ -16,6 +16,7 @@ */ /** * @author Denis M. Kishenko + * @author Sven Gothel */ package com.jogamp.graph.geom.plane; @@ -30,13 +31,30 @@ public interface PathIterator { public static final int SEG_CUBICTO = 3; public static final int SEG_CLOSE = 4; - public int getWindingRule(); + int getWindingRule(); - public boolean isDone(); + /** Return the current {@link #points()} index for the current segment. */ + int index(); - public void next(); + /** Returns reference of the point array for the whole Path2D */ + float[] points(); - public int currentSegment(float[] coords); + /** Return current segment type */ + int getType(final int idx); + /** Returns true if completed */ + boolean isDone(); + + void next(); + + /** + * Return the path segment type and copies the current segment's points to given storage + * @param coords storage for current segment's points + * @return segment type + * @see #points() + * @see #index() + * @see #getType(int) + */ + int currentSegment(float[] coords); } |