< prev index next >

src/java.desktop/share/classes/sun/java2d/pipe/Region.java

Print this page

        

*** 1,7 **** /* ! * Copyright (c) 1998, 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this --- 1,7 ---- /* ! * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this
*** 60,100 **** * bands[rowstart+3+N*2-1] = XN1; // ending X coord of last band * * bands[rowstart+3+N*2] = ... // start of next Y row * </pre> */ ! public class Region { ! static final int INIT_SIZE = 50; ! static final int GROW_SIZE = 50; ! /** ! * Immutable Region. ! */ ! private static final class ImmutableRegion extends Region { ! protected ImmutableRegion(int lox, int loy, int hix, int hiy) { ! super(lox, loy, hix, hiy); ! } ! ! // Override all the methods that mutate the object ! public void appendSpans(sun.java2d.pipe.SpanIterator si) {} ! public void setOutputArea(java.awt.Rectangle r) {} ! public void setOutputAreaXYWH(int x, int y, int w, int h) {} ! public void setOutputArea(int[] box) {} ! public void setOutputAreaXYXY(int lox, int loy, int hix, int hiy) {} ! } ! ! public static final Region EMPTY_REGION = new ImmutableRegion(0, 0, 0, 0); ! public static final Region WHOLE_REGION = new ImmutableRegion( Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE); ! int lox; ! int loy; ! int hix; ! int hiy; int endIndex; int[] bands; private static native void initIDs(); --- 60,84 ---- * bands[rowstart+3+N*2-1] = XN1; // ending X coord of last band * * bands[rowstart+3+N*2] = ... // start of next Y row * </pre> */ ! public final class Region { ! private static final int INIT_SIZE = 50; ! private static final int GROW_SIZE = 50; ! public static final Region EMPTY_REGION = new Region(0, 0, 0, 0); ! public static final Region WHOLE_REGION = new Region( Integer.MIN_VALUE, Integer.MIN_VALUE, Integer.MAX_VALUE, Integer.MAX_VALUE); ! private int lox; ! private int loy; ! private int hix; ! private int hiy; int endIndex; int[] bands; private static native void initIDs();
*** 153,163 **** return Integer.MAX_VALUE; } return (int) Math.round(newv); } ! protected Region(int lox, int loy, int hix, int hiy) { this.lox = lox; this.loy = loy; this.hix = hix; this.hiy = hiy; } --- 137,147 ---- return Integer.MAX_VALUE; } return (int) Math.round(newv); } ! private Region(int lox, int loy, int hix, int hiy) { this.lox = lox; this.loy = loy; this.hix = hix; this.hiy = hiy; }
*** 256,268 **** ShapeSpanIterator sr = new ShapeSpanIterator(normalize); try { sr.setOutputArea(devBounds); sr.appendPath(s.getPathIterator(at)); sr.getPathBox(box); ! Region r = Region.getInstance(box); ! r.appendSpans(sr); ! return r; } finally { sr.dispose(); } } --- 240,250 ---- ShapeSpanIterator sr = new ShapeSpanIterator(normalize); try { sr.setOutputArea(devBounds); sr.appendPath(s.getPathIterator(at)); sr.getPathBox(box); ! return Region.getInstance(box, sr); } finally { sr.dispose(); } }
*** 347,416 **** public static Region getInstanceXYXY(int lox, int loy, int hix, int hiy) { return new Region(lox, loy, hix, hiy); } /** ! * Sets the rectangle of interest for storing and returning ! * region bands. ! * <p> ! * This method can also be used to initialize a simple rectangular ! * region. ! */ ! public void setOutputArea(Rectangle r) { ! setOutputAreaXYWH(r.x, r.y, r.width, r.height); ! } ! ! /** ! * Sets the rectangle of interest for storing and returning ! * region bands. The rectangle is specified in x, y, width, height ! * format and appropriate clipping is performed as per the method ! * {@code dimAdd}. ! * <p> ! * This method can also be used to initialize a simple rectangular ! * region. ! */ ! public void setOutputAreaXYWH(int x, int y, int w, int h) { ! setOutputAreaXYXY(x, y, dimAdd(x, w), dimAdd(y, h)); ! } ! ! /** ! * Sets the rectangle of interest for storing and returning ! * region bands. The rectangle is specified as a span array. ! * <p> ! * This method can also be used to initialize a simple rectangular ! * region. ! */ ! public void setOutputArea(int box[]) { ! this.lox = box[0]; ! this.loy = box[1]; ! this.hix = box[2]; ! this.hiy = box[3]; ! } ! ! /** ! * Sets the rectangle of interest for storing and returning ! * region bands. The rectangle is specified in lox, loy, ! * hix, hiy format. ! * <p> ! * This method can also be used to initialize a simple rectangular ! * region. */ ! public void setOutputAreaXYXY(int lox, int loy, int hix, int hiy) { ! this.lox = lox; ! this.loy = loy; ! this.hix = hix; ! this.hiy = hiy; } /** * Appends the list of spans returned from the indicated * SpanIterator. Each span must be at a higher starting * Y coordinate than the previous data or it must have a * Y range equal to the highest Y band in the region and a * higher X coordinate than any of the spans in that band. */ ! public void appendSpans(SpanIterator si) { int[] box = new int[6]; while (si.nextSpan(box)) { appendSpan(box); } --- 329,360 ---- public static Region getInstanceXYXY(int lox, int loy, int hix, int hiy) { return new Region(lox, loy, hix, hiy); } /** ! * Returns a Region object with a rectangle of interest specified by the ! * indicated rectangular area in lox, loy, hix, hiy format. ! * <p/> ! * Appends the list of spans returned from the indicated SpanIterator. Each ! * span must be at a higher starting Y coordinate than the previous data or ! * it must have a Y range equal to the highest Y band in the region and a ! * higher X coordinate than any of the spans in that band. */ ! public static Region getInstance(int box[], SpanIterator si) { ! Region ret = new Region(box[0], box[1], box[2], box[3]); ! ret.appendSpans(si); ! return ret; } /** * Appends the list of spans returned from the indicated * SpanIterator. Each span must be at a higher starting * Y coordinate than the previous data or it must have a * Y range equal to the highest Y band in the region and a * higher X coordinate than any of the spans in that band. */ ! private void appendSpans(SpanIterator si) { int[] box = new int[6]; while (si.nextSpan(box)) { appendSpan(box); }
*** 737,749 **** (r.hiy < this.hiy) ? this.hiy : r.hiy); ret.filterSpans(this, r, INCLUDE_A | INCLUDE_B); return ret; } ! static final int INCLUDE_A = 1; ! static final int INCLUDE_B = 2; ! static final int INCLUDE_COMMON = 4; private void filterSpans(Region ra, Region rb, int flags) { int abands[] = ra.bands; int bbands[] = rb.bands; if (abands == null) { --- 681,693 ---- (r.hiy < this.hiy) ? this.hiy : r.hiy); ret.filterSpans(this, r, INCLUDE_A | INCLUDE_B); return ret; } ! private static final int INCLUDE_A = 1; ! private static final int INCLUDE_B = 2; ! private static final int INCLUDE_COMMON = 4; private void filterSpans(Region ra, Region rb, int flags) { int abands[] = ra.bands; int bbands[] = rb.bands; if (abands == null) {
*** 1078,1116 **** } /** * Returns the lowest X coordinate in the Region. */ ! public final int getLoX() { return lox; } /** * Returns the lowest Y coordinate in the Region. */ ! public final int getLoY() { return loy; } /** * Returns the highest X coordinate in the Region. */ ! public final int getHiX() { return hix; } /** * Returns the highest Y coordinate in the Region. */ ! public final int getHiY() { return hiy; } /** * Returns the width of this Region clipped to the range (0 - MAX_INT). */ ! public final int getWidth() { if (hix < lox) return 0; int w; if ((w = hix - lox) < 0) { w = Integer.MAX_VALUE; } --- 1022,1060 ---- } /** * Returns the lowest X coordinate in the Region. */ ! public int getLoX() { return lox; } /** * Returns the lowest Y coordinate in the Region. */ ! public int getLoY() { return loy; } /** * Returns the highest X coordinate in the Region. */ ! public int getHiX() { return hix; } /** * Returns the highest Y coordinate in the Region. */ ! public int getHiY() { return hiy; } /** * Returns the width of this Region clipped to the range (0 - MAX_INT). */ ! public int getWidth() { if (hix < lox) return 0; int w; if ((w = hix - lox) < 0) { w = Integer.MAX_VALUE; }
*** 1118,1128 **** } /** * Returns the height of this Region clipped to the range (0 - MAX_INT). */ ! public final int getHeight() { if (hiy < loy) return 0; int h; if ((h = hiy - loy) < 0) { h = Integer.MAX_VALUE; } --- 1062,1072 ---- } /** * Returns the height of this Region clipped to the range (0 - MAX_INT). */ ! public int getHeight() { if (hiy < loy) return 0; int h; if ((h = hiy - loy) < 0) { h = Integer.MAX_VALUE; }
*** 1323,1372 **** si = new RegionClipSpanIterator(this, si); } return si; } public String toString() { StringBuilder sb = new StringBuilder(); sb.append("Region[["); sb.append(lox); sb.append(", "); sb.append(loy); sb.append(" => "); sb.append(hix); sb.append(", "); sb.append(hiy); ! sb.append("]"); if (bands != null) { int col = 0; while (col < endIndex) { sb.append("y{"); sb.append(bands[col++]); ! sb.append(","); sb.append(bands[col++]); sb.append("}["); int end = bands[col++]; end = col + end * 2; while (col < end) { sb.append("x("); sb.append(bands[col++]); sb.append(", "); sb.append(bands[col++]); ! sb.append(")"); } ! sb.append("]"); } } ! sb.append("]"); return sb.toString(); } public int hashCode() { return (isEmpty() ? 0 : (lox * 3 + loy * 5 + hix * 7 + hiy * 9)); } public boolean equals(Object o) { if (!(o instanceof Region)) { return false; } Region r = (Region) o; if (this.isEmpty()) { --- 1267,1322 ---- si = new RegionClipSpanIterator(this, si); } return si; } + @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append("Region[["); sb.append(lox); sb.append(", "); sb.append(loy); sb.append(" => "); sb.append(hix); sb.append(", "); sb.append(hiy); ! sb.append(']'); if (bands != null) { int col = 0; while (col < endIndex) { sb.append("y{"); sb.append(bands[col++]); ! sb.append(','); sb.append(bands[col++]); sb.append("}["); int end = bands[col++]; end = col + end * 2; while (col < end) { sb.append("x("); sb.append(bands[col++]); sb.append(", "); sb.append(bands[col++]); ! sb.append(')'); } ! sb.append(']'); } } ! sb.append(']'); return sb.toString(); } + @Override public int hashCode() { return (isEmpty() ? 0 : (lox * 3 + loy * 5 + hix * 7 + hiy * 9)); } + @Override public boolean equals(Object o) { + if (this == o) { + return true; + } if (!(o instanceof Region)) { return false; } Region r = (Region) o; if (this.isEmpty()) {
< prev index next >