| # |
| # Copyright (c) 2011 Nest Labs, Inc. |
| # All rights reserved. |
| # |
| # This document is the property of Nest Labs. It is considered |
| # confidential and proprietary information. |
| # |
| # This document may not be reproduced or transmitted in any form, |
| # in whole or in part, without the express written permission of |
| # Nest Labs. |
| # |
| # Description: |
| # This file is the make file for generating a Linux-compatible |
| # boot logo. This follows the general recipe described at: |
| # |
| # http://www.gentoo-wiki.info/HOWTO_Linux_Logo_Hack |
| # |
| # and adds support for handling alpha in the source image. |
| # |
| |
| include pre/macros.mak |
| include host/tools.mak |
| |
| PNGTOPNM = pngtopnm |
| PNGTOPNMFLAGS = -alpha -mix -background "\#000" |
| |
| PPMQUANT = ppmquant |
| PPMQUANTFLAGS = -fs 223 |
| |
| PNMTOPLAIN = pnmtoplainpnm |
| |
| LogoSourceExtension = .png |
| LogoSourceDir = . |
| LogoSourceName = nest-logo-320x320$(LogoSourceExtension) |
| LogoSourcePath = $(LogoSourceDir)/$(LogoSourceName) |
| |
| LogoResultExtension = .ppm |
| LogoResultDir = . |
| LogoResultName = logo_diamond_clut224$(LogoResultExtension) |
| LogoResultPath = $(LogoResultDir)/$(LogoResultName) |
| |
| define png-to-logo |
| $(Echo) "Converting \"$(<)\" to \"$(@)\"..." |
| $(Verbose)$(PNGTOPNM) $(PNGTOPNMFLAGS) "$(<)" | \ |
| $(PPMQUANT) $(PPMQUANTFLAGS) | \ |
| $(PNMTOPLAIN) > "$(@)" |
| endef |
| |
| %$(LogoResultExtension): %$(LogoSourceExtension) Makefile |
| $(png-to-logo) |
| |
| all: $(LogoResultPath) |
| |
| $(LogoResultPath): $(LogoSourcePath) Makefile |
| $(png-to-logo) |
| |
| clean: |
| $(Echo) "Cleaning..." |
| $(Verbose)$(RM) $(RMFLAGS) $(LogoResultPath) |
