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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2021/05/06 17:59:18 UTC
svn commit: r1889573 -
/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java
Author: tilman
Date: Thu May 6 17:59:17 2021
New Revision: 1889573
URL: http://svn.apache.org/viewvc?rev=1889573&view=rev
Log:
PDFBOX-4892: optimize, as suggested by valerybokov
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java
Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java?rev=1889573&r1=1889572&r2=1889573&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/color/PDLab.java Thu May 6 17:59:17 2021
@@ -76,6 +76,8 @@ public final class PDLab extends PDCIEDi
float maxA = aRange.getMax();
float minB = bRange.getMin();
float maxB = bRange.getMax();
+ float deltaA = maxA - minA;
+ float deltaB = maxB - minB;
// always three components: ABC
float[] abc = new float[3];
@@ -92,8 +94,8 @@ public final class PDLab extends PDCIEDi
// scale to range
abc[0] *= 100;
- abc[1] = minA + (abc[1] * (maxA - minA));
- abc[2] = minB + (abc[2] * (maxB - minB));
+ abc[1] = minA + abc[1] * deltaA;
+ abc[2] = minB + abc[2] * deltaB;
float[] rgb = toRGB(abc);