generated the makefile

Makefile

@@ -1,14 +1,27 @@
 
 SOURCES = ./phc-logo.png
 
+TARGETS = ./derived/phc-logo@x1.png \
+          ./derived/phc-logo@x2.png \
+          ./derived/phc-logo@x4.png \
+          ./derived/phc-logo@x8.png
+
+.PHONY: help
+help:
+	@echo "SOURCES = $(SOURCES)"
+	@echo "TARGETS = $(TARGETS)"
+
 .PHONY: all
-all: $(SOURCES)
+all: $(TARGETS)
+
+derived/%@x1.png: %.png Makefile
+	magick convert $< -scale 100% $@
 
-derived/%@x1.png: %.png
-	magick convert $< -resize 100% $@
+derived/%@x2.png: %.png Makefile
+	magick convert $< -scale 200% $@
 
-derived/%@x2.png: %.png
-	magick convert $< -resize 200% $@
+derived/%@x4.png: %.png Makefile
+	magick convert $< -scale 400% $@
 
-derived/%@x4.png: %.png
-	magick convert $< -resize 400% $@
+derived/%@x8.png: %.png Makefile
+	magick convert $< -scale 800% $@

README.md

@@ -2,4 +2,10 @@
 
 Repo con vari loghi del PHC.
 
-<img src="./phc-logo.png" alt="phc logo" />	
+<img src="./derived/phc-logo@x1.png" alt="phc logo" max-width="80%" />	
+
+<img src="./derived/phc-logo@x2.png" alt="phc logo" max-width="80%" />	
+
+<img src="./derived/phc-logo@x4.png" alt="phc logo" max-width="80%" />	
+
+<img src="./derived/phc-logo@x8.png" alt="phc logo" max-width="80%" />