# This file is part of icoformat, a Windows Icon (ICO) File Format
# plugin for Adobe Photoshop
# Copyright (C) 2002-2010 Toby Thain, toby@telegraphics.com.au

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by  
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License  
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

# GNU Makefile
# builds Win32 DLL and CS2/Mac Mach-O plugin bundle

# by Toby Thain <toby@telegraphics.com.au>


# ---------- variables & flags ----------

EXEC = ICOFormat

VERSION = $(shell perl -n -e 'm/^.*VERSION_STR[[:blank:]]+\"([^"]*)\"/ && print $$1;' version.h)

MINGW_CC = i386-mingw32msvc-gcc
DLLWRAP  = i386-mingw32msvc-dllwrap
WINDRES  = i386-mingw32msvc-windres

PSAPI = "../Adobe Photoshop CS3 Public Beta SDK/photoshopapi"
# in CS3(CS2?), PiPL FormatFlags added a 'fmtCannotCreateThumbnail' bit
# older SDKs don't have this, so comment out this define if using them
REZFLAGS = -d CS3SDK

ZLIB = ../zlib-1.2.3
LIBPNG = ../libpng-1.4.0

CFLAGS += -Wall -O2
CPPFLAGS += -I$(PSAPI)/pica_sp -I$(PSAPI)/photoshop -I$(ZLIB) -I$(LIBPNG) \
            -I../common/adobeplugin -I../common/tt \
            -DNO_GZIP -DPNG_NO_STDIO -DPNG_NO_MNG_FEATURES \
            -DPNG_USER_WIDTH_MAX=30000 -DPNG_USER_HEIGHT_MAX=30000 \
            -DPNG_NO_PROGRESSIVE_READ


# ---------- source & object files ----------

# where to find .c source files
vpath %.c ../common/tt ../common/adobeplugin $(ZLIB) $(LIBPNG)

# list source files

ZLIBSRC = adler32.c deflate.c inftrees.c uncompr.c \
          compress.c zutil.c crc32.c inflate.c inffast.c trees.c

PNGSRC = png.c pngerror.c pngget.c pngmem.c pngpread.c \
         pngread.c pngrio.c pngrtran.c pngrutil.c pngset.c \
         pngtrans.c pngwio.c pngwrite.c pngwtran.c pngwutil.c

SRC_COMMON = main.c ico_io.c read.c readpng.c write.c writepng.c \
             estimate.c ui.c file_io.c str.c dprintf.c \
             $(ZLIBSRC) $(PNGSRC)
SRC_OSX = ui_mac.c ui_compat_mac.c dbg_mac.c
SRC_W32 = ui_win.c ui_compat_win.c dbg_win.c file_compat_win.c dllmain.c

# derive lists of object files, separate for each platform
OBJ_OSX := $(patsubst %.c, obj/%.o,     $(SRC_COMMON) $(SRC_OSX))
OBJ_W32 := $(patsubst %.c, obj_w32/%.o, $(SRC_COMMON) $(SRC_W32)) obj_w32/res.o


# ---------- executables ----------

# constituent files of Mac OS X plugin bundle
# Adobe's plugs use .plugin extension
BUNDLE = $(EXEC).plugin
PLUGIN_OSX  = $(BUNDLE)/Contents/MacOS/$(EXEC)
PLUGIN_RSRC = $(BUNDLE)/Contents/Resources/$(EXEC).rsrc
PLUGIN_PARTS = $(PLUGIN_OSX) $(PLUGIN_RSRC) $(BUNDLE)/Contents/Info.plist $(BUNDLE)/Contents/PkgInfo
DISTDMG = dist/$(EXEC)-$(VERSION).dmg

# -DMAC_ENV is for the Adobe SDK
# -DMACMACHO is for this plugin's use (to detect Mach-O build)
# -Dmacintosh is for anyone who STILL doesn't get it
$(PLUGIN_OSX) : CPPFLAGS += -DMAC_ENV -DMACMACHO -Dmacintosh \
                            -I/Developer/Headers/FlatCarbon

# Win32 plugin DLL to build
PLUGIN_W32 = $(EXEC).8bi
DISTZIP = dist/$(EXEC)-$(VERSION)-win.zip

$(PLUGIN_W32) : CPPFLAGS += -DWIN_ENV


# ---------- targets ----------

# build everything
all : dll osx

# build Win32 DLL plugin (requires MinGW)
dll : $(PLUGIN_W32)

# build OS X Mach-O (bundle) format plugin, for Photoshop CS2 & later
# 'osx' - for current architecture only
# 'fat' - Universal (PPC & Intel architectures)
osx fat : $(PLUGIN_PARTS) 

# See: http://developer.apple.com/documentation/Porting/Conceptual/PortingUnix/compiling/chapter_4_section_3.html#//apple_ref/doc/uid/TP40002850-BAJCFEBA
fat : CFLAGS += -isysroot /Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386
fat : LDFLAGS += -Wl,-syslibroot,/Developer/SDKs/MacOSX10.4u.sdk -arch ppc -arch i386
fat : REZFLAGS += -arch ppc -arch i386

$(BUNDLE) :
	mkdir -p $@
	/Developer/Tools/SetFile -a B $@

# insert correct executable name and version string in bundle's Info.plist
$(BUNDLE)/Contents/Info.plist : Info.plist $(BUNDLE) version.h
	mkdir -p $(dir $@)
	sed -e s/VERSION_STR/$(VERSION)/ -e s/EXEC/$(EXEC)/ $< > $@

$(BUNDLE)/Contents/PkgInfo : $(BUNDLE)
	mkdir -p $(dir $@)
	echo -n 8BIF8BIM > $@

clean :
	rm -fr $(OBJ_OSX) $(OBJ_W32) $(PLUGIN_W32) $(BUNDLE)

realclean : clean
	rm -f *.x *.obj $(EXEC).lib $(EXEC).exp


zip : $(DISTZIP)

$(DISTZIP) : $(PLUGIN_W32) dist/README.html dist/gpl.html
	T=`mktemp -d`; \
		D=$$T/$(EXEC)-$(VERSION); \
		mkdir $$D; \
		cp $^ $$D; \
		cd $$T; \
		zip -9 -r temp.zip $(EXEC)-$(VERSION); \
		mv temp.zip $(PWD)/$@; \
		rm -fr $$T
	ls -l $@

dist/gpl.html : 
	curl http://www.gnu.org/licenses/gpl.html | \
		sed -e 's%</HEAD>%<BASE HREF="http://www.gnu.org/"> </HEAD>%' \
		    -e 's%</head>%<BASE HREF="http://www.gnu.org/"> </HEAD>%' > $@


dmg : $(DISTDMG)

# create an Apple disk image (dmg) archive of the distribution kit
$(DISTDMG) : $(PLUGIN_PARTS) dist/README.html dist/gpl.html version.h
	@ INFO=`lipo -info $(PLUGIN_OSX)`; \
	FILE=`echo $$INFO | awk '/^Non.*ppc$$/ { print "For CS2 ("$$6" only)" } \
							 /^Arc/ { print "For CS3 (Universal binary)" }'`; \
	DIR=`mktemp -d $(EXEC)-XXXX`; \
	echo $$INFO > $$DIR/$$FILE; \
	cp -Rp dist/README.html dist/gpl.html $(BUNDLE) $$DIR; \
	hdiutil create -srcfolder $$DIR -ov -volname "$(EXEC) $(VERSION)" $@; \
	rm -fr $$DIR
	@ ls -l $@


# ---------- compile rules ----------

obj/%.o     : %.c ; $(CC)       -o $@ -c $< $(CFLAGS) $(CPPFLAGS)
obj_w32/%.o : %.c ; $(MINGW_CC) -o $@ -c $< $(CFLAGS) $(CPPFLAGS)

# note dependencies on version.h:

obj_w32/res.o : plugin.rc PiPL.rc ui_win.rc version.h
	$(WINDRES) -i $< -o $@ $(CPPFLAGS)

obj_w32/ui_win.o : version.h

# compile Mac resources (into data fork of .rsrc file)
$(PLUGIN_RSRC) : $(BUNDLE) PiPL_macho.r ui_mac.r version.h
	mkdir -p $(dir $@)
	/Developer/Tools/Rez -o $@ -useDF $(filter %.r,$^) \
		$(REZFLAGS) \
		-i /Developer/Headers/FlatCarbon \
		-i $(PSAPI)/Resources \
		-i $(PSAPI)/Photoshop
	ls -l $@


# ---------- link rules ----------

$(PLUGIN_OSX) : $(BUNDLE) exports.exp $(OBJ_OSX)
	mkdir -p $(dir $@)
	$(CC) -bundle -o $@ $(OBJ_OSX) $(LDFLAGS) \
		-exported_symbols_list exports.exp \
		-framework Carbon -framework System
	ls -l $@
	file $@

# link Win32 DLL
$(PLUGIN_W32) : exports.def $(OBJ_W32)
	$(DLLWRAP) -o $@ -def $^ -mwindows -s
	ls -l $@


# --------------------