116 lines
4.2 KiB
Java
116 lines
4.2 KiB
Java
/*
|
|
* Copyright (c) 2012, 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.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
/**
|
|
* @test
|
|
* @bug 6732154
|
|
* @summary REG: Printing an Image using image/gif doc flavor crashes the VM, Solsparc
|
|
*
|
|
* @run main/othervm -Xcomp
|
|
* -XX:CompileCommand=compileonly,compiler.c2.Test6732154::ascii85Encode
|
|
* compiler.c2.Test6732154
|
|
*/
|
|
|
|
package compiler.c2;
|
|
|
|
public class Test6732154 {
|
|
|
|
// Exact copy of sun.print.PSPrinterJob.ascii85Encode([b)[b
|
|
private byte[] ascii85Encode(byte[] inArr) {
|
|
byte[] outArr = new byte[((inArr.length+4) * 5 / 4) + 2];
|
|
long p1 = 85;
|
|
long p2 = p1*p1;
|
|
long p3 = p1*p2;
|
|
long p4 = p1*p3;
|
|
byte pling = '!';
|
|
|
|
int i = 0;
|
|
int olen = 0;
|
|
long val, rem;
|
|
|
|
while (i+3 < inArr.length) {
|
|
val = ((long)((inArr[i++]&0xff))<<24) +
|
|
((long)((inArr[i++]&0xff))<<16) +
|
|
((long)((inArr[i++]&0xff))<< 8) +
|
|
((long)(inArr[i++]&0xff));
|
|
if (val == 0) {
|
|
outArr[olen++] = 'z';
|
|
} else {
|
|
rem = val;
|
|
outArr[olen++] = (byte)(rem / p4 + pling); rem = rem % p4;
|
|
outArr[olen++] = (byte)(rem / p3 + pling); rem = rem % p3;
|
|
outArr[olen++] = (byte)(rem / p2 + pling); rem = rem % p2;
|
|
outArr[olen++] = (byte)(rem / p1 + pling); rem = rem % p1;
|
|
outArr[olen++] = (byte)(rem + pling);
|
|
}
|
|
}
|
|
// input not a multiple of 4 bytes, write partial output.
|
|
if (i < inArr.length) {
|
|
int n = inArr.length - i; // n bytes remain to be written
|
|
|
|
val = 0;
|
|
while (i < inArr.length) {
|
|
val = (val << 8) + (inArr[i++]&0xff);
|
|
}
|
|
|
|
int append = 4 - n;
|
|
while (append-- > 0) {
|
|
val = val << 8;
|
|
}
|
|
byte []c = new byte[5];
|
|
rem = val;
|
|
c[0] = (byte)(rem / p4 + pling); rem = rem % p4;
|
|
c[1] = (byte)(rem / p3 + pling); rem = rem % p3;
|
|
c[2] = (byte)(rem / p2 + pling); rem = rem % p2;
|
|
c[3] = (byte)(rem / p1 + pling); rem = rem % p1;
|
|
c[4] = (byte)(rem + pling);
|
|
|
|
for (int b = 0; b < n+1 ; b++) {
|
|
outArr[olen++] = c[b];
|
|
}
|
|
}
|
|
|
|
// write EOD marker.
|
|
outArr[olen++]='~'; outArr[olen++]='>';
|
|
|
|
/* The original intention was to insert a newline after every 78 bytes.
|
|
* This was mainly intended for legibility but I decided against this
|
|
* partially because of the (small) amount of extra space, and
|
|
* partially because for line breaks either would have to hardwire
|
|
* ascii 10 (newline) or calculate space in bytes to allocate for
|
|
* the platform's newline byte sequence. Also need to be careful
|
|
* about where its inserted:
|
|
* Ascii 85 decoder ignores white space except for one special case:
|
|
* you must ensure you do not split the EOD marker across lines.
|
|
*/
|
|
byte[] retArr = new byte[olen];
|
|
System.arraycopy(outArr, 0, retArr, 0, olen);
|
|
return retArr;
|
|
}
|
|
|
|
public static void main(String[] args) {
|
|
new Test6732154().ascii85Encode(new byte[0]);
|
|
System.out.println("Test passed.");
|
|
}
|
|
}
|