1BROWSER_SIZES := 16 24 32 48 64
 2#ANDROID_SIZES := 72 96 144 192
 3# FIXME: The ICO is limited to 8 icons due to a Chrome bug:
 4#        https://bugs.chromium.org/p/chromium/issues/detail?id=1381393
 5ANDROID_SIZES := 96 144 192
 6WEB_ICON_SIZES := $(BROWSER_SIZES) $(ANDROID_SIZES)
 7
 8#IOS_1X_SIZES := 20 29 40 76 # No such devices exist anymore
 9IOS_2X_SIZES := 40 58 80 120 152 167
10IOS_3X_SIZES := 60 87 120 180
11ALL_IOS_SIZES := $(IOS_1X_SIZES) $(IOS_2X_SIZES) $(IOS_3X_SIZES)
12
13ALL_ICONS := \
14	$(ALL_IOS_SIZES:%=novnc-ios-%.png) \
15	novnc.ico
16
17all: $(ALL_ICONS)
18
19# Our testing shows that the ICO file need to be sorted in largest to
20# smallest to get the apporpriate behviour
21WEB_ICON_SIZES_REVERSE := $(shell echo $(WEB_ICON_SIZES) | tr ' ' '\n' | sort -nr | tr '\n' ' ')
22WEB_BASE_ICONS := $(WEB_ICON_SIZES_REVERSE:%=novnc-%.png)
23.INTERMEDIATE: $(WEB_BASE_ICONS)
24
25novnc.ico: $(WEB_BASE_ICONS)
26	convert $(WEB_BASE_ICONS) "$@"
27
28# General conversion
29novnc-%.png: novnc-icon.svg
30	convert -depth 8 -background transparent \
31		-size $*x$* "$(lastword $^)" "$@"
32
33# iOS icons use their own SVG
34novnc-ios-%.png: novnc-ios-icon.svg
35	convert -depth 8 -background transparent \
36		-size $*x$* "$(lastword $^)" "$@"
37
38# The smallest sizes are generated using a different SVG
39novnc-16.png novnc-24.png novnc-32.png: novnc-icon-sm.svg
40
41clean:
42	rm -f *.png