kinow commented on a change in pull request #154:
URL: https://github.com/apache/commons-imaging/pull/154#discussion_r662987475
##########
File path: src/main/java/org/apache/commons/imaging/formats/png/PngWriter.java
##########
@@ -447,7 +447,7 @@ public void writeImage(final BufferedImage src, final
OutputStream os, Map<Strin
final PaletteFactory paletteFactory = new PaletteFactory();
if (hasAlpha) {
- palette = paletteFactory.makeQuantizedRgbaPalette(src,
hasAlpha, maxColors);
+ palette = paletteFactory.makeQuantizedRgbaPalette(src, true,
maxColors);
Review comment:
I think it's fine to pass `hasAlpha` here. Easier to see (or guess) that
that's a flag for transparency, especially in case we add more booleans to that
method later.
##########
File path:
src/main/java/org/apache/commons/imaging/palette/LongestAxisMedianCut.java
##########
@@ -43,7 +43,7 @@ public boolean performNextMedianCut(final List<ColorGroup>
colorGroups, final bo
&& colorGroup.alphaDiff > colorGroup.redDiff
&& colorGroup.alphaDiff > colorGroup.greenDiff
&& colorGroup.alphaDiff > colorGroup.blueDiff) {
- doCut(colorGroup, ColorComponent.ALPHA, colorGroups, ignoreAlpha);
+ doCut(colorGroup, ColorComponent.ALPHA, colorGroups, false);
Review comment:
I think it was harmless to keep using `ignoreAlpha` here. There are
other conditions in this if statement, and they are all using `ignoreAlpha`.
Having that variable in all the conditions might make it easier to
remove/update it later if necessary.
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