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Use quality param with optipng. 

When images are not processed due to not being able to meet the
minimum quality setting, error 99 is returned, so catch this too
so we still copy the file.

Might still want to tweak these settings.
pull/113/head
Doug Felt 2017-04-12 09:00:01 -07:00
parent 2afcb05d16
commit fe67fac240
1 changed files with 3 additions and 3 deletions
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6
Makefile
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@ -19,7 +19,7 @@ CFLAGS = -std=c99 -Wall -Wextra `pkg-config --cflags --libs cairo`
LDFLAGS = -lm `pkg-config --libs cairo`
PNGQUANTDIR := third_party/pngquant
PNGQUANT := $(PNGQUANTDIR)/pngquant
PNGQUANTFLAGS = --speed 1 --skip-if-larger --force
PNGQUANTFLAGS = --speed 1 --skip-if-larger --quality 85-95 --force
IMOPS = -size 136x128 canvas:none -compose copy -gravity center
# zopflipng is better (about 5-10%) but much slower. it will be used if
@ -181,10 +181,10 @@ flag-symlinks: $(RESIZED_FLAG_FILES) | $(RENAMED_FLAGS_DIR)
$(RENAMED_FLAG_FILES): | flag-symlinks
$(QUANTIZED_DIR)/%.png: $(RENAMED_FLAGS_DIR)/%.png $(PNGQUANT) | $(QUANTIZED_DIR)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98") cp $< $@;; *) exit "$$?";; esac)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<"; cp $< $@;; *) exit "$$?";; esac)
$(QUANTIZED_DIR)/%.png: $(EMOJI_DIR)/%.png $(PNGQUANT) | $(QUANTIZED_DIR)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98") cp $< $@;; *) exit "$$?";; esac)
@($(PNGQUANT) $(PNGQUANTFLAGS) -o "$@" "$<"; case "$$?" in "98"|"99") echo "reuse $<";cp $< $@;; *) exit "$$?";; esac)
$(COMPRESSED_DIR)/%.png: $(QUANTIZED_DIR)/%.png | check_compress_tool $(COMPRESSED_DIR)
ifdef MISSING_ZOPFLI