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VirtualImagePlus: Retain B&C settings for each slice #4131

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VirtualImagePlus: Retain B&C settings for each slice #4131

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22 changes: 22 additions & 0 deletions components/bio-formats-plugins/src/loci/plugins/util/VirtualImagePlus.java
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Original file line number Diff line number Diff line change
Expand Up @@ -86,6 +86,28 @@ public synchronized void setSlice(int index) {
}
// Keep the user-defined color limits
proc.getChild().setMinAndMax(this.getDisplayRangeMin(), this.getDisplayRangeMax());
int bitDepth = this.getBitDepth();
int range = 256;
if (bitDepth==16) {
range = 65536;
int defaultRange = this.getDefault16bitRange();
if (defaultRange>0)
range = (int)Math.pow(2,defaultRange)-1;
}
int tableSize = bitDepth==16?65536:256;
int[] table = new int[tableSize];
int min = (int)this.getDisplayRangeMin();
int max = (int)this.getDisplayRangeMax();
for (int i=0; i<tableSize; i++) {
if (i<=min)
table[i] = 0;
else if (i>=max)
table[i] = range-1;
else
table[i] = (int)(((double)(i-min)/(max-min))*range);
}
proc.getChild().applyTable(table);

// if we call setProcessor(getTitle(), proc), the type will be set
// to GRAY32 (regardless of the actual processor type)
setProcessor(getTitle(), proc.getChild());
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