notgne2/tuxpaint-pencil-sharpener
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Way better scaling of Starter thumbnails

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Providing better command-line args to ImageMagick `convert` to
produce nice-looking thumbnail PNGs of Starter images.
(N.B. - I'm using "ImageMagick" Version: 8:6.9.7.4+dfsg-16ubuntu6.7)
This commit is contained in:
Bill Kendrick 2019-09-14 10:11:05 -07:00
parent 2117db234e
commit 73dc07b608
2 changed files with 8 additions and 3 deletions
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6
Makefile
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@ -694,16 +694,18 @@ STARTER_BACK_NAME=$(or $(wildcard $(subst starters/.thumbs,starters,$(@:-t.png=-
$(wildcard $(subst starters/.thumbs,starters,$(@:-t.png=-back.png))),\
$(wildcard $(subst starters/.thumbs,starters,$(@:-t.png=-back.jpeg))))
CONVERT_OPTS:=-alpha Background -alpha Off -gamma 0.454545 +depth -resize !132x80 -background white -interlace none
$(THUMB_STARTERS):
@echo -n "."
@mkdir -p starters/.thumbs
@if [ "x" != "x"$(STARTER_BACK_NAME) ] ; \
then \
composite $(STARTER_NAME) $(STARTER_BACK_NAME) obj/tmp.png ; \
convert -scale !132x80 -background white -alpha Background -alpha Off obj/tmp.png $@ ; \
convert $(CONVERT_OPTS) obj/tmp.png $@ ; \
rm obj/tmp.png ; \
else \
convert -scale !132x80 -background white -alpha Background -alpha Off $(STARTER_NAME) $@ ; \
convert $(CONVERT_OPTS) $(STARTER_NAME) $@ ; \
fi
$(INSTALLED_THUMB_STARTERS): $(DATA_PREFIX)/%: %

5
docs/CHANGES.txt
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@ -8,7 +8,7 @@ http://www.tuxpaint.org/
$Id$
2019.Sep.12 (0.9.24)
2019.Sep.14 (0.9.24)
* New tools
---------
* Fill
@ -55,6 +55,9 @@ $Id$
* Updated most parts of the code that were throwing warnings in GCC.
* Build process generates thumbnails of included Starter images.
When installed, this greatly increases the speed of the "New" dialog.
* Documentation updates
---------------------
* Mended link to MinGW/MSYS instructions at John Popplewell's website.