37  * A rectangular Region is allowed to have a null band list in which
63 public class Region {
68      * Immutable Region.
70     private static final class ImmutableRegion extends Region {
83     public static final Region EMPTY_REGION = new ImmutableRegion(0, 0, 0, 0);
84     public static final Region WHOLE_REGION = new ImmutableRegion(
156     protected Region(int lox, int loy, int hix, int hiy) {
164      * Returns a Region object covering the pixels which would be
175     public static Region getInstance(Shape s, AffineTransform at) {
180      * Returns a Region object covering the pixels which would be
186      * Note that only the bounds of the specified Region are used to
187      * restrict the resulting Region.
190      * resulting Region with devBounds must be performed in a
193      * @param devBounds a non-null Region specifying some bounds to
201     public static Region getInstance(Region devBounds,
208      * Returns a Region object covering the pixels which would be
217      * Note that only the bounds of the specified Region are used to
218      * restrict the resulting Region.
221      * resulting Region with devBounds must be performed in a
224      * @param devBounds a non-null Region specifying some bounds to
234     public static Region getInstance(Region devBounds, boolean normalize,
250             Region r = Region.getInstance(box);
259      * Returns a Region object with a rectangle of interest specified
265     public static Region getInstance(Rectangle r) {
266         return Region.getInstanceXYWH(r.x, r.y, r.width, r.height);
270      * Returns a Region object with a rectangle of interest specified
276     public static Region getInstanceXYWH(int x, int y, int w, int h) {
277         return Region.getInstanceXYXY(x, y, dimAdd(x, w), dimAdd(y, h));
281      * Returns a Region object with a rectangle of interest specified
287     public static Region getInstance(int box[]) {
288         return new Region(box[0], box[1], box[2], box[3]);
292      * Returns a Region object with a rectangle of interest specified
298     public static Region getInstanceXYXY(int lox, int loy, int hix, int hiy) {
299         return new Region(lox, loy, hix, hiy);
374      * Returns a Region object that represents the same list of rectangles as
375      * the current Region object, scaled by the specified sx, sy factors.
377     public Region getScaledRegion(final double sx, final double sy) {
389         Region ret = new Region(tlox, tloy, thix, thiy);
447      * Returns a Region object that represents the same list of
448      * rectangles as the current Region object, translated by
451     public Region getTranslatedRegion(int dx, int dy) {
466         Region ret = new Region(tlox, tloy, thix, thiy);
488     private Region getSafeTranslatedRegion(int dx, int dy) {
493         Region ret = new Region(tlox, tloy, thix, thiy);
550      * Returns a Region object that represents the intersection of
554     public Region getIntersection(Rectangle r) {
559      * Returns a Region object that represents the intersection of
563     public Region getIntersectionXYWH(int x, int y, int w, int h) {
568      * Returns a Region object that represents the intersection of
572     public Region getIntersectionXYXY(int lox, int loy, int hix, int hiy) {
576         Region ret = new Region((lox < this.lox) ? this.lox : lox,
587      * Returns a Region object that represents the intersection of this
588      * object with the specified Region object.
590      * If {@code A} and {@code B} are both Region Objects and
596      * Region object if no clipping occurs.
598     public Region getIntersection(Region r) {
605         Region ret = new Region((r.lox < this.lox) ? this.lox : r.lox,
616      * Returns a Region object that represents the union of this
617      * object with the specified Region object.
619      * If {@code A} and {@code B} are both Region Objects and
625      * Region object if no augmentation occurs.
627     public Region getUnion(Region r) {
634         Region ret = new Region((r.lox > this.lox) ? this.lox : r.lox,
643      * Returns a Region object that represents the difference of the
644      * specified Region object subtracted from this object.
646      * If {@code A} and {@code B} are both Region Objects and
652      * Region object if no clipping occurs.
654     public Region getDifference(Region r) {
661         Region ret = new Region(this.lox, this.loy, this.hix, this.hiy);
667      * Returns a Region object that represents the exclusive or of this
668      * object with the specified Region object.
670      * If {@code A} and {@code B} are both Region Objects and
676      * Region object if either is empty.
678     public Region getExclusiveOr(Region r) {
685         Region ret = new Region((r.lox > this.lox) ? this.lox : r.lox,
697     private void filterSpans(Region ra, Region rb, int flags) {
842      * Returns a Region object that represents the bounds of the
844      * Region object.
847      * and this Region is rectangular.
849     public Region getBoundsIntersection(Rectangle r) {
854      * Returns a Region object that represents the bounds of the
859      * and this Region is rectangular.
861     public Region getBoundsIntersectionXYWH(int x, int y, int w, int h) {
866      * Returns a Region object that represents the bounds of the
871      * and this Region is rectangular.
873     public Region getBoundsIntersectionXYXY(int lox, int loy,
882         return new Region((lox < this.lox) ? this.lox : lox,
889      * Returns a Region object that represents the intersection of
890      * this object with the bounds of the specified Region object.
893      * Region object if no clipping occurs and the Regions are
896     public Region getBoundsIntersection(Region r) {
903         return new Region((r.lox < this.lox) ? this.lox : r.lox,
1032      * Returns the lowest X coordinate in the Region.
1039      * Returns the lowest Y coordinate in the Region.
1046      * Returns the highest X coordinate in the Region.
1053      * Returns the highest Y coordinate in the Region.
1060      * Returns the width of this Region clipped to the range (0 - MAX_INT).
1072      * Returns the height of this Region clipped to the range (0 - MAX_INT).
1084      * Returns true iff this Region encloses no area.
1091      * Returns true iff this Region represents a single simple
1099      * Returns true iff this Region contains the specified coordinate.
1126      * Returns true iff this Region lies inside the indicated
1135      * Returns true iff this Region lies inside the indicated
1145      * Quickly checks if this Region lies inside the specified
1146      * Region object.
1148      * This method will return false if the specified Region
1151     public boolean isInsideQuickCheck(Region r) {
1158      * Quickly checks if this Region intersects the specified
1173      * Quickly checks if this Region intersects the specified
1174      * Region object.
1180     public boolean intersectsQuickCheck(Region r) {
1186      * Quickly checks if this Region surrounds the specified
1187      * Region object.
1189      * This method will return false if this Region object is
1192     public boolean encompasses(Region r) {
1199      * Quickly checks if this Region surrounds the specified
1202      * This method will return false if this Region object is
1210      * Quickly checks if this Region surrounds the specified
1213      * This method will return false if this Region object is
1233      * Clips the indicated bbox array to the bounds of this Region.
1281         sb.append("Region[[");
1319         if (!(o instanceof Region)) {
1322         Region r = (Region) o;

Indexes created Tue Jul 24 14:28:13 CEST 2018