From 3846be2ff4b06371a02546aa7a8b6aa3c4b8fa98 Mon Sep 17 00:00:00 2001
From: Brian Woods
Date: Wed, 22 Feb 2023 15:35:42 -0500
Subject: webp: added webp input image support

Changed Makefile.double to accept both PNGs and WEBPs as input, since
both allow for lossless images.
---
 webp/Makefile.double | 13 ++++++++-----
 1 file changed, 8 insertions(+), 5 deletions(-)

(limited to 'webp')

diff --git a/webp/Makefile.double b/webp/Makefile.double
index dec381c..18a1f8b 100644
--- a/webp/Makefile.double
+++ b/webp/Makefile.double
@@ -8,9 +8,12 @@ LOW_OUT_DIR=low_quality
 HIGH_WEBP_OPT=-near_lossless 60
 LOW_WEBP_OPT=-af -pass 6  -psnr 38
 
-SRC=$(shell find src/ -type f -name '*.png')
-HIGH_OUT=$(patsubst ${SRC_DIR}/%.png, ${HIGH_OUT_DIR}/%.webp, $(SRC))
-LOW_OUT=$(patsubst ${SRC_DIR}/%.png, ${LOW_OUT_DIR}/%.webp, $(SRC))
+SRC_PNG=$(shell find src/ -type f -iname '*.png')
+SRC_WEBP=$(shell find src/ -type f -iname '*.webp')
+HIGH_OUT=$(patsubst ${SRC_DIR}/%.png, ${HIGH_OUT_DIR}/%.webp, $(SRC_PNG)) \
+         $(patsubst ${SRC_DIR}/%.webp, ${HIGH_OUT_DIR}/%.webp, $(SRC_WEBP))
+LOW_OUT=$(patsubst ${SRC_DIR}/%.png, ${LOW_OUT_DIR}/%.webp, $(SRC_PNG)) \
+        $(patsubst ${SRC_DIR}/%.webp, ${LOW_OUT_DIR}/%.webp, $(SRC_WEBP))
 
 .PHONY: all clean high low
 .SECONDARY: main-build-high main-build-low
@@ -27,9 +30,9 @@ pre-build-low:
 main-build-high: ${HIGH_OUT}
 main-build-low: ${LOW_OUT}
 
-${HIGH_OUT_DIR}/%.webp: ${SRC_DIR}/%.png
+${HIGH_OUT_DIR}/%.webp: ${SRC_DIR}/%.*
 	cwebp ${HIGH_WEBP_OPT} "$<" -o "$@"
-${LOW_OUT_DIR}/%.webp: ${SRC_DIR}/%.png
+${LOW_OUT_DIR}/%.webp: ${SRC_DIR}/%.*
 	cwebp ${LOW_WEBP_OPT} "$<" -o "$@"
 
 clean:
-- 
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