Check for greyscale when small image uses palette #2

SuperFun99 · 2017-03-15T20:46:16Z

When a small file is stored with a palette, a test is made to see if
removing the palette, and the overhead that goes with it, results in
an even smaller file. That test was always attempting RGB or RGBA
mode even when the image in question was greyscale. I added a check
for greyscale.

When a small file is stored with a palette, a test is made to see if removing the palette, and the overhead that goes with it, results in an even smaller file. That test was always attempting RGB or RGBA mode even when the image in question was greyscale. I added a check for greyscale.

SuperFun99 · 2017-03-15T20:48:25Z

Here's a pull request with only the greyscale change and not all that junk.

When checking if an image is smaller without a palette, use the minimum bit depth for greyscale images instead of defaulting to 8 bits.

Use bit depth of greyscale when trying to beat palette

38b6ffb

When checking if an image is smaller without a palette, use the minimum bit depth for greyscale images instead of defaulting to 8 bits.

fhanau merged commit 4a98297 into fhanau:master Mar 27, 2017

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Check for greyscale when small image uses palette #2

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