libjava/classpath/ChangeLog.gcj:
2007-05-31 Matthias Klose <doko@ubuntu.com> * javax/management/NotificationBroadcasterSupport.java (getNotificationInfo): Add cast. * native/jni/qt-peer/Makefile.am (AM_CXXFLAGS): Add libstdc++ include directories. * native/jni/qt-peer/Makefile.in: Regenerate. libjava/ChangeLog: 2007-06-03 Matthias Klose <doko@ubuntu.com> * java/io/natFileWin32.cc (setFilePermissions): New (stub only). _access: Handle EXEC query, stub only. 2007-06-03 Matthias Klose <doko@ubuntu.com> Merged from classpath: * gnu/java/nio/SelectorProviderImpl.java: Whitespace merge. * java/lang/System.java(inheritedChannel): New. * java/lang/Character.java: Remove stray`;'. * java/net/MulticastSocket.java: Merged. * java/text/DateFormatSymbols.java(getInstance): New, comment updates. * java/text/Collator.java(getInstance): Merged. * java/util/Calendar.java: New attributes ALL_STYLES, SHORT, LONG. getDisplayName, getDisplayNames: New. * java/util/logging/Logger.java: Merged. * Regenerate .class and .h files. 2007-06-03 Matthias Klose <doko@ubuntu.com> * java/io/File.java: Merge with classpath-0.95, new method setFilePermissions, new attribute EXEC. * java/io/natFilePosix.cc (setFilePermissions): New. _access: Handle EXEC query. * classpath/lib/java/io/File.class, java/io/File.h: Regenerate. 2007-06-03 Matthias Klose <doko@ubuntu.com> Imported GNU Classpath 0.95. * classpath/Makefile.in, classpath/native/jni/midi-dssi/Makefile.in, classpath/native/jni/classpath/Makefile.in, classpath/native/jni/Makefile.in, classpath/native/jni/gconf-peer/Makefile.in, classpath/native/jni/java-io/Makefile.in, classpath/native/jni/native-lib/Makefile.in, classpath/native/jni/java-util/Makefile.in, classpath/native/jni/midi-alsa/Makefile.in, classpath/native/jni/java-lang/Makefile.in, classpath/native/jni/java-nio/Makefile.in, classpath/native/jni/java-net/Makefile.in, classpath/native/jni/xmlj/Makefile.in, classpath/native/jni/qt-peer/Makefile.in, classpath/native/jni/gtk-peer/Makefile.in, classpath/native/Makefile.in, classpath/native/jawt/Makefile.in, classpath/native/fdlibm/Makefile.in, classpath/native/plugin/Makefile.in, classpath/resource/Makefile.in, classpath/scripts/Makefile.in, classpath/tools/Makefile.in, classpath/doc/Makefile.in, classpath/doc/api/Makefile.in, classpath/lib/Makefile.in, classpath/external/Makefile.in, classpath/external/jsr166/Makefile.in, classpath/external/sax/Makefile.in, classpath/external/w3c_dom/Makefile.in, classpath/external/relaxngDatatype/Makefile.in, classpath/include/Makefile.in, classpath/examples/Makefile.in: Regenerate. * classpath/config.guess, classpath/config.sub, classpath/ltmain.sh : Update. * classpath/configure, classpath/depcomp, classpath/missing, classpath/aclocal.m4, classpath/install-sh: Regenerate. * gnu/classpath/Configuration.java (CLASSPATH_VERSION): Now 0.95. * sources.am: Regenerate. * Makefile.in: Regenerate. * Update the .class files and generated CNI header files, add new .class and generated CNI header files. * Remove generated files for removed java source files: classpath/gnu/java/net/BASE64.java, classpath/gnu/java/security/util/Base64.java, classpath/gnu/java/awt/peer/gtk/GThreadMutex.java, classpath/gnu/java/awt/peer/gtk/GThreadNativeMethodRunner.java, classpath/gnu/java/awt/font/autofit/Scaler.java, classpath/gnu/classpath/jdwp/util/Value.java, classpath/gnu/javax/net/ssl/Base64.java. * Remove empty directories. * Makefile.am(nat_source_files): Add natVMOperatingSystemMXBeanImpl.cc. * java/lang/Class.java(setAccessible): Merge from classpath. * java/util/Locale.java: Remove. * gnu/java/lang/management/VMOperatingSystemMXBeanImpl.java, gnu/java/lang/management/natVMOperatingSystemMXBeanImpl.cc: New. * gcj/javaprims.h: Update class declarations. * scripts/classes.pl: Update usage. * HACKING: Mention to build all peers. From-SVN: r125302
This commit is contained in:
@@ -38,37 +38,62 @@ exception statement from your version. */
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package gnu.java.awt.java2d;
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import gnu.java.math.Fixed;
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/**
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* An edge in a polygon. This is used by the scanline conversion algorithm
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* implemented in {@link AbstractGraphics2D#rawFillShape}.
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* An edge in a polygon.
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*
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* @author Roman Kennke (kennke@aicas.com)
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*/
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public class PolyEdge
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final class PolyEdge
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implements Comparable
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{
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/**
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* The start and end coordinates of the edge. y0 is always smaller or equal
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* than y1.
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*
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* These values are stored as fixed-point decimals.
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*/
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public double x0, y0, x1, y1;
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public int x0, y0, x1, y1;
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/**
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* The slope of the edge. This is dx / dy.
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*
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* This is a fixed point decimal.
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*/
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double slope;
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private int slope;
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/**
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* The intersection of this edge with the current scanline.
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*
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* This is a fixed point decimal.
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*/
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double xIntersection;
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int xIntersection;
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/**
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* Indicates whether this edge is from the clip or from the target shape.
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*/
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boolean isClip;
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/**
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* Implements a linked list for the edge pool.
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*/
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PolyEdge poolNext;
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/**
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* Implements a linked list for the scanline edge lists.
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*/
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PolyEdge scanlineNext;
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/**
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* Create an uninitialized edge.
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*/
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PolyEdge()
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{
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// Nothing to do here.
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}
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/**
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* Creates a new PolyEdge with the specified coordinates.
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*
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@@ -77,7 +102,20 @@ public class PolyEdge
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* @param x1 the end point, x coordinate
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* @param y1 the end point, y coordinate
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*/
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PolyEdge(double x0, double y0, double x1, double y1, boolean clip)
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PolyEdge(int n, int x0, int y0, int x1, int y1, boolean clip)
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{
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init(n, x0, y0, x1, y1, clip);
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}
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/**
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* (Re-) Initializes this edge.
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*
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* @param x0
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* @param y0
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* @param x1
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* @param y1
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*/
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void init(int n, int x0, int y0, int x1, int y1, boolean clip)
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{
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isClip = clip;
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if (y0 < y1)
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@@ -94,11 +132,7 @@ public class PolyEdge
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this.x1 = x0;
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this.y1 = y0;
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}
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slope = (this.x1 - this.x0) / (this.y1 - this.y0);
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if (this.y0 == this.y1) // Horizontal edge.
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xIntersection = Math.min(this.x0, this.x1);
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else
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xIntersection = this.x0 + slope * (Math.ceil(this.y0) - this.y0);
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slope = Fixed.div(n, this.x1 - this.x0, this.y1 - this.y0);
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}
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/**
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@@ -115,6 +149,19 @@ public class PolyEdge
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return comp;
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}
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/**
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* Intersects this edge with the scanline at height y. The result is
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* stored in {@link #xIntersection}.
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*
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* @param y the scanline
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*/
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void intersect(int n, int y)
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{
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int dy = y - y0;
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int dx = Fixed.mul(n, slope, dy);
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xIntersection = x0 + dx;
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}
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public String toString()
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{
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return "Edge: " + x0 + ", " + y0 + ", " + x1 + ", " + y1 + ", slope: "
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