[poppler] [PATCH] Add -jpegopt optimize option support to utils

[Martin (gzlist)]

New option 'optimize=y' for utils that take a -jpegopt param,
pdftocairo and pdftoppm. This corresponds to the cjpeg -optimize
flag, and slightly reduces the size of the output jpeg but uses
additional cpu and memory.

New jpegOptimize boolean in splash/SplashBitmap WriteImgParams.

New setOptimize method on goo/JpegWriter taking a boolean.

Signed-off-by: Martin Packman <gzlist at googlemail.com>
---
 goo/JpegWriter.cc      | 11 +++++++++++
 goo/JpegWriter.h       |  1 +
 splash/SplashBitmap.cc |  1 +
 splash/SplashBitmap.h  |  1 +
 utils/pdftocairo.cc    | 10 ++++++++++
 utils/pdftoppm.cc      | 10 ++++++++++
 6 files changed, 34 insertions(+)
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