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Diffstat (limited to 'bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java')
-rwxr-xr-xbundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java26
1 files changed, 13 insertions, 13 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java
index 650828a46d..18eab61ff6 100755
--- a/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java
+++ b/bundles/org.eclipse.swt/Eclipse SWT/common/org/eclipse/swt/internal/image/JPEGQuantizationTable.java
@@ -1,10 +1,10 @@
/*******************************************************************************
- * Copyright (c) 2000, 2003 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
+ * Copyright (c) 2000, 2006 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
@@ -61,8 +61,8 @@ public int[] getQuantizationTablesKeys() {
int totalLength = getSegmentLength() - 2;
int ofs = 4;
while (totalLength > 64) {
- int tq = (reference[ofs] & 0xFF) % 16;
- int pq = (reference[ofs] & 0xFF) / 16;
+ int tq = reference[ofs] & 0xF;
+ int pq = (reference[ofs] & 0xFF) >> 4;
if (pq == 0) {
ofs += 65;
totalLength -= 65;
@@ -90,10 +90,10 @@ public int[][] getQuantizationTablesValues() {
int ofs = 4;
while (totalLength > 64) {
int[] qk = new int[64];
- int pq = (reference[ofs] & 0xFF) / 16;
+ int pq = (reference[ofs] & 0xFF) >> 4;
if (pq == 0) {
for (int i = 0; i < qk.length; i++) {
- qk[i] = reference[ofs + i + 1];
+ qk[i] = reference[ofs + i + 1] & 0xFF;
}
ofs += 65;
totalLength -= 65;
@@ -134,8 +134,8 @@ public void scaleBy(int qualityFactor) {
int totalLength = getSegmentLength() - 2;
int ofs = 4;
while (totalLength > 64) {
-// int tq = (reference[ofs] & 0xFF) % 16;
- int pq = (reference[ofs] & 0xFF) / 16;
+// int tq = reference[ofs] & 0xFF;
+ int pq = (reference[ofs] & 0xFF) >> 4;
if (pq == 0) {
for (int i = ofs + 1; i <= ofs + 64; i++) {
int temp = ((reference[i] & 0xFF) * qFactor + 50) / 100;
@@ -150,8 +150,8 @@ public void scaleBy(int qualityFactor) {
int temp = (((reference[i] & 0xFF) * 256 + (reference[i + 1] & 0xFF)) * qFactor + 50) / 100;
if (temp <= 0) temp = 1;
if (temp > 32767) temp = 32767;
- reference[i] = (byte)(temp / 256);
- reference[i + 1] = (byte)(temp % 256);
+ reference[i] = (byte)(temp >> 8);
+ reference[i + 1] = (byte)(temp & 0xFF);
}
ofs += 129;
totalLength -= 129;

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