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* Copyright ( c ) 2015 , 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 .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
* ANY WARRANTY ; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
*
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*/
import java.awt.geom.GeneralPath;
import java.awt.geom.Path2D;
/**
* @ test
* @ bug 8078464
* @ summary Check the growth algorithm ( needRoom ) in Path2D implementations
* @ run main Path2DGrow
*/
public class Path2DGrow {
public static final int N = 1000 * 1000 ;
public static boolean verbose = false ;
public static boolean force = false ;
static void echo(String msg) {
System.out.println(msg);
}
static void log(String msg) {
if (verbose || force) {
echo(msg);
}
}
public static void main(String argv[]) {
verbose = (argv.length != 0 );
testEmptyDoublePaths();
testDoublePaths();
testEmptyFloatPaths();
testFloatPaths();
testEmptyGeneralPath();
testGeneralPath();
}
static void testEmptyDoublePaths() {
echo("\n - Test(Path2D.Double[0]) ---" );
test(() -> new Path2D.Double (Path2D.WIND_NON_ZERO, 0 ));
}
static void testDoublePaths() {
echo("\n - Test(Path2D.Double) ---" );
test(() -> new Path2D.Double ());
}
static void testEmptyFloatPaths() {
echo("\n - Test(Path2D.Float[0]) ---" );
test(() -> new Path2D.Float (Path2D.WIND_NON_ZERO, 0 ));
}
static void testFloatPaths() {
echo("\n - Test(Path2D.Float) ---" );
test(() -> new Path2D.Float ());
}
static void testEmptyGeneralPath() {
echo("\n - Test(GeneralPath[0]) ---" );
test(() -> new GeneralPath(Path2D.WIND_NON_ZERO, 0 ));
}
static void testGeneralPath() {
echo("\n - Test(GeneralPath) ---" );
test(() -> new GeneralPath());
}
interface PathFactory {
Path2D makePath();
}
static void test(PathFactory pf) {
long start, end;
for (int n = 1 ; n <= N; n *= 10 ) {
force = (n == N);
start = System.nanoTime();
testAddMoves(pf.makePath(), n);
end = System.nanoTime();
log("testAddMoves[" + n + "] duration= "
+ (1 e-6 * (end - start)) + " ms." );
start = System.nanoTime();
testAddLines(pf.makePath(), n);
end = System.nanoTime();
log("testAddLines[" + n + "] duration= "
+ (1 e-6 * (end - start)) + " ms." );
start = System.nanoTime();
testAddQuads(pf.makePath(), n);
end = System.nanoTime();
log("testAddQuads[" + n + "] duration= "
+ (1 e-6 * (end - start)) + " ms." );
start = System.nanoTime();
testAddCubics(pf.makePath(), n);
end = System.nanoTime();
log("testAddCubics[" + n + "] duration= "
+ (1 e-6 * (end - start)) + " ms." );
start = System.nanoTime();
testAddMoveAndCloses(pf.makePath(), n);
end = System.nanoTime();
log("testAddMoveAndCloses[" + n + "] duration= "
+ (1 e-6 * (end - start)) + " ms." );
}
}
static void addMove(Path2D p2d, int i) {
p2d.moveTo(1 .0 * i, 0 .5 * i);
}
static void addLine(Path2D p2d, int i) {
p2d.lineTo(1 .1 * i, 2 .3 * i);
}
static void addCubic(Path2D p2d, int i) {
p2d.curveTo(1 .1 * i, 1 .2 * i, 1 .3 * i, 1 .4 * i, 1 .5 * i, 1 .6 * i);
}
static void addQuad(Path2D p2d, int i) {
p2d.quadTo(1 .1 * i, 1 .2 * i, 1 .3 * i, 1 .4 * i);
}
static void addClose(Path2D p2d) {
p2d.closePath();
}
static void testAddMoves(Path2D pathA, int n) {
for (int i = 0 ; i < n; i++) {
addMove(pathA, i);
}
}
static void testAddLines(Path2D pathA, int n) {
addMove(pathA, 0 );
for (int i = 0 ; i < n; i++) {
addLine(pathA, i);
}
}
static void testAddQuads(Path2D pathA, int n) {
addMove(pathA, 0 );
for (int i = 0 ; i < n; i++) {
addQuad(pathA, i);
}
}
static void testAddCubics(Path2D pathA, int n) {
addMove(pathA, 0 );
for (int i = 0 ; i < n; i++) {
addCubic(pathA, i);
}
}
static void testAddMoveAndCloses(Path2D pathA, int n) {
for (int i = 0 ; i < n; i++) {
addMove(pathA, i);
addClose(pathA);
}
}
}
Messung V0.5 in Prozent C=99 H=87 G=93
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-11)
¤
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