Merge pull request #4220 from melissalinkert/gh-4210

sbesson · web-flow · commit e4ffbe89ba6c · 2024-09-03T17:32:21.000+01:00
Fix float casting when autoscaling int values to byte
diff --git a/components/formats-bsd/src/loci/formats/gui/AWTImageTools.java b/components/formats-bsd/src/loci/formats/gui/AWTImageTools.java
@@ -1655,7 +1655,7 @@ else if (pixels instanceof int[][]) {
           else if (ints[i][j] <= min) out[i][j] = 0;
           else {
             int diff = max - min;
-            float dist = (ints[i][j] - min) / diff;
+            float dist = (float) (ints[i][j] - min) / diff;
             out[i][j] = (byte) (dist * 256);
           }
         }

Original file line number	Diff line number	Diff line change
`@@ -1655,7 +1655,7 @@ else if (pixels instanceof int[][]) {`
`1655`	`1655`	`else if (ints[i][j] <= min) out[i][j] = 0;`
`1656`	`1656`	`else {`
`1657`	`1657`	`int diff = max - min;`
`1658`		`- float dist = (ints[i][j] - min) / diff;`
	`1658`	`+ float dist = (float) (ints[i][j] - min) / diff;`
`1659`	`1659`	`out[i][j] = (byte) (dist * 256);`
`1660`	`1660`	`}`
`1661`	`1661`	`}`