File 0001-Add-label-ft-plugin.patch of Package plymouth

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File 0001-Add-label-ft-plugin.patch of Package plymouth (Revision e4baece03cf4a3cf6e09aa4b271fe406)

Currently displaying revision e4baece03cf4a3cf6e09aa4b271fe406 , Show latest

diff -Nura plymouth-0.9.5+git20200921+20778f2/configure.ac plymouth-0.9.5+git20200921+20778f2_new/configure.ac
--- plymouth-0.9.5+git20200921+20778f2/configure.ac	2020-10-05 21:49:25.578220035 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/configure.ac	2020-10-05 22:07:57.754186183 +0800
@@ -72,6 +72,15 @@
   AC_SUBST(PANGO_LIBS)
 fi
 
+AC_ARG_ENABLE(freetype, AS_HELP_STRING([--enable-freetype],[enable building the FreeType-based label plugin]),enable_freetype=$enableval,enable_freetype=yes)
+AM_CONDITIONAL(ENABLE_FREETYPE,  [test "$enable_freetype" = yes])
+
+if test x$enable_freetype = xyes; then
+  PKG_CHECK_MODULES(FREETYPE, [freetype2])
+  AC_SUBST(FREETYPE_CFLAGS)
+  AC_SUBST(FREETYPE_LIBS)
+fi
+
 AC_ARG_ENABLE(gtk, AS_HELP_STRING([--enable-gtk],[enable building with gtk, disabled there is no x11 renderer]),enable_gtk=$enableval,enable_gtk=yes)
 AM_CONDITIONAL(ENABLE_GTK,  [test "$enable_gtk" = yes])
 
@@ -312,6 +321,7 @@
            src/plugins/splash/script/Makefile
            src/plugins/controls/Makefile
            src/plugins/controls/label/Makefile
+           src/plugins/controls/label-ft/Makefile
            src/Makefile
            src/client/ply-boot-client.pc
            src/client/Makefile
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c
--- plymouth-0.9.5+git20200921+20778f2/src/libply-splash-graphics/ply-label.c	2019-06-05 15:56:08.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/libply-splash-graphics/ply-label.c	2020-10-05 22:04:02.927286375 +0800
@@ -96,8 +96,13 @@
 
         get_plugin_interface_function_t get_label_plugin_interface;
 
+        /* Try the pango/cairo based label plugin first... */
         label->module_handle = ply_open_module (PLYMOUTH_PLUGIN_PATH "label.so");
 
+        /* ...and the FreeType based one after that, it is not a complete substitute (yet). */
+        if (label->module_handle == NULL)
+            label->module_handle = ply_open_module (PLYMOUTH_PLUGIN_PATH "label-ft.so");
+
         if (label->module_handle == NULL)
                 return false;
 
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.am plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.am
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.am	1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.am	2020-10-05 21:31:47.608636002 +0800
@@ -0,0 +1,22 @@
+AM_CPPFLAGS = -I$(top_srcdir)                                                 \
+           -I$(srcdir)/../../../libply                                        \
+           -I$(srcdir)/../../../libply-splash-core                            \
+           -I$(srcdir)/../../../libply-splash-graphics                        \
+           -I$(srcdir)/../../..                                               \
+           -I$(srcdir)/../..                                                  \
+           -I$(srcdir)/..                                                     \
+           -I$(srcdir)
+
+plugindir = $(libdir)/plymouth
+plugin_LTLIBRARIES = label-ft.la
+
+label_ft_la_CFLAGS = $(PLYMOUTH_CFLAGS) $(FREETYPE_CFLAGS)
+
+label_ft_la_LDFLAGS = -module -avoid-version -export-dynamic
+label_ft_la_LIBADD = $(PLYMOUTH_LIBS) $(FREETYPE_LIBS)                           \
+                  ../../../libply/libply.la                                \
+                  ../../../libply-splash-core/libply-splash-core.la        \
+                  ../../../libply-splash-graphics/libply-splash-graphics.la
+label_ft_la_SOURCES = $(srcdir)/plugin.c
+
+MAINTAINERCLEANFILES = Makefile.in
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.in plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.in
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/Makefile.in	1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/Makefile.in	2020-10-05 21:31:54.332697346 +0800
@@ -0,0 +1,753 @@
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+AM_CPPFLAGS = -I$(top_srcdir)                                                 \
+           -I$(srcdir)/../../../libply                                        \
+           -I$(srcdir)/../../../libply-splash-core                            \
+           -I$(srcdir)/../../../libply-splash-graphics                        \
+           -I$(srcdir)/../../..                                               \
+           -I$(srcdir)/../..                                                  \
+           -I$(srcdir)/..                                                     \
+           -I$(srcdir)
+
+plugindir = $(libdir)/plymouth
+plugin_LTLIBRARIES = label-ft.la
+label_ft_la_CFLAGS = $(PLYMOUTH_CFLAGS) $(FREETYPE_CFLAGS)
+label_ft_la_LDFLAGS = -module -avoid-version -export-dynamic
+label_ft_la_LIBADD = $(PLYMOUTH_LIBS) $(FREETYPE_LIBS)                           \
+                  ../../../libply/libply.la                                \
+                  ../../../libply-splash-core/libply-splash-core.la        \
+                  ../../../libply-splash-graphics/libply-splash-graphics.la
+
+label_ft_la_SOURCES = $(srcdir)/plugin.c
+MAINTAINERCLEANFILES = Makefile.in
+all: all-am
+
+.SUFFIXES:
+.SUFFIXES: .c .lo .o .obj
+$(srcdir)/Makefile.in: @MAINTAINER_MODE_TRUE@ $(srcdir)/Makefile.am  $(am__configure_deps)
+	@for dep in $?; do \
+	  case '$(am__configure_deps)' in \
+	    *$$dep*) \
+	      ( cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh ) \
+	        && { if test -f $@; then exit 0; else break; fi; }; \
+	      exit 1;; \
+	  esac; \
+	done; \
+	echo ' cd $(top_srcdir) && $(AUTOMAKE) --gnu src/plugins/controls/label-ft/Makefile'; \
+	$(am__cd) $(top_srcdir) && \
+	  $(AUTOMAKE) --gnu src/plugins/controls/label-ft/Makefile
+Makefile: $(srcdir)/Makefile.in $(top_builddir)/config.status
+	@case '$?' in \
+	  *config.status*) \
+	    cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh;; \
+	  *) \
+	    echo ' cd $(top_builddir) && $(SHELL) ./config.status $(subdir)/$@ $(am__maybe_remake_depfiles)'; \
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+	esac;
+
+$(top_builddir)/config.status: $(top_srcdir)/configure $(CONFIG_STATUS_DEPENDENCIES)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+
+$(top_srcdir)/configure: @MAINTAINER_MODE_TRUE@ $(am__configure_deps)
+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
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+	cd $(top_builddir) && $(MAKE) $(AM_MAKEFLAGS) am--refresh
+$(am__aclocal_m4_deps):
+
+install-pluginLTLIBRARIES: $(plugin_LTLIBRARIES)
+	@$(NORMAL_INSTALL)
+	@list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \
+	list2=; for p in $$list; do \
+	  if test -f $$p; then \
+	    list2="$$list2 $$p"; \
+	  else :; fi; \
+	done; \
+	test -z "$$list2" || { \
+	  echo " $(MKDIR_P) '$(DESTDIR)$(plugindir)'"; \
+	  $(MKDIR_P) "$(DESTDIR)$(plugindir)" || exit 1; \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 '$(DESTDIR)$(plugindir)'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=install $(INSTALL) $(INSTALL_STRIP_FLAG) $$list2 "$(DESTDIR)$(plugindir)"; \
+	}
+
+uninstall-pluginLTLIBRARIES:
+	@$(NORMAL_UNINSTALL)
+	@list='$(plugin_LTLIBRARIES)'; test -n "$(plugindir)" || list=; \
+	for p in $$list; do \
+	  $(am__strip_dir) \
+	  echo " $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f '$(DESTDIR)$(plugindir)/$$f'"; \
+	  $(LIBTOOL) $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=uninstall rm -f "$(DESTDIR)$(plugindir)/$$f"; \
+	done
+
+clean-pluginLTLIBRARIES:
+	-test -z "$(plugin_LTLIBRARIES)" || rm -f $(plugin_LTLIBRARIES)
+	@list='$(plugin_LTLIBRARIES)'; \
+	locs=`for p in $$list; do echo $$p; done | \
+	      sed 's|^[^/]*$$|.|; s|/[^/]*$$||; s|$$|/so_locations|' | \
+	      sort -u`; \
+	test -z "$$locs" || { \
+	  echo rm -f $${locs}; \
+	  rm -f $${locs}; \
+	}
+
+label-ft.la: $(label_ft_la_OBJECTS) $(label_ft_la_DEPENDENCIES) $(EXTRA_label_ft_la_DEPENDENCIES) 
+	$(AM_V_CCLD)$(label_ft_la_LINK) -rpath $(plugindir) $(label_ft_la_OBJECTS) $(label_ft_la_LIBADD) $(LIBS)
+
+mostlyclean-compile:
+	-rm -f *.$(OBJEXT)
+
+distclean-compile:
+	-rm -f *.tab.c
+
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/label_ft_la-plugin.Plo@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ $<
+
+.c.obj:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ `$(CYGPATH_W) '$<'`
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(COMPILE) -c -o $@ `$(CYGPATH_W) '$<'`
+
+.c.lo:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LTCOMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+label_ft_la-plugin.lo: $(srcdir)/plugin.c
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(label_ft_la_CFLAGS) $(CFLAGS) -MT label_ft_la-plugin.lo -MD -MP -MF $(DEPDIR)/label_ft_la-plugin.Tpo -c -o label_ft_la-plugin.lo `test -f '$(srcdir)/plugin.c' || echo '$(srcdir)/'`$(srcdir)/plugin.c
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/label_ft_la-plugin.Tpo $(DEPDIR)/label_ft_la-plugin.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$(srcdir)/plugin.c' object='label_ft_la-plugin.lo' libtool=yes @AMDEPBACKSLASH@
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
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+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
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+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
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+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
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+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
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+	list='$(am__tagged_files)'; \
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+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
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+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
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+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
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+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(LTLIBRARIES)
+installdirs:
+	for dir in "$(DESTDIR)$(plugindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+installcheck: installcheck-am
+install-strip:
+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+	-test -z "$(MAINTAINERCLEANFILES)" || rm -f $(MAINTAINERCLEANFILES)
+clean: clean-am
+
+clean-am: clean-generic clean-libtool clean-pluginLTLIBRARIES \
+	mostlyclean-am
+
+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/label_ft_la-plugin.Plo
+	-rm -f Makefile
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+	distclean-tags
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+dvi: dvi-am
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+install-ps-am:
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+installcheck-am:
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+maintainer-clean: maintainer-clean-am
+		-rm -f ./$(DEPDIR)/label_ft_la-plugin.Plo
+	-rm -f Makefile
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+mostlyclean-am: mostlyclean-compile mostlyclean-generic \
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+uninstall-am: uninstall-pluginLTLIBRARIES
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-generic clean-libtool clean-pluginLTLIBRARIES \
+	cscopelist-am ctags ctags-am distclean distclean-compile \
+	distclean-generic distclean-libtool distclean-tags distdir dvi \
+	dvi-am html html-am info info-am install install-am \
+	install-data install-data-am install-dvi install-dvi-am \
+	install-exec install-exec-am install-html install-html-am \
+	install-info install-info-am install-man install-pdf \
+	install-pdf-am install-pluginLTLIBRARIES install-ps \
+	install-ps-am install-strip installcheck installcheck-am \
+	installdirs maintainer-clean maintainer-clean-generic \
+	mostlyclean mostlyclean-compile mostlyclean-generic \
+	mostlyclean-libtool pdf pdf-am ps ps-am tags tags-am uninstall \
+	uninstall-am uninstall-pluginLTLIBRARIES
+
+.PRECIOUS: Makefile
+
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/plugin.c plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/plugin.c
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/label-ft/plugin.c	1970-01-01 08:00:00.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/label-ft/plugin.c	2020-10-05 21:31:47.608636002 +0800
@@ -0,0 +1,507 @@
+/* ply-label.c - label control
+ *
+ * Copyright (C) 2008 Red Hat, Inc.
+ * Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+ *
+ * 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, 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.
+ *
+ * Written by: Ray Strode <rstrode@redhat.com>
+ * Written by: Fabian Vogt <fvogt@suse.com>
+ */
+#include "config.h"
+
+#include <stdio.h>
+#include <stdint.h>
+#include <string.h>
+#include <limits.h>
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+
+#include "ply-pixel-buffer.h"
+#include "ply-pixel-display.h"
+#include "ply-utils.h"
+
+#include "ply-label-plugin.h"
+
+/* This is used if fontconfig (fc-match) is not available, like in the initrd. */
+#define FONT_FALLBACK "/usr/share/fonts/Plymouth.ttf"
+
+struct _ply_label_plugin_control
+{
+        ply_pixel_display_t   *display;
+        ply_rectangle_t        area;
+
+        ply_label_alignment_t  alignment;
+        long                   width; /* For alignment */
+
+        FT_Library             library;
+        FT_Face                face;
+
+        char                  *text;
+        float                  red;
+        float                  green;
+        float                  blue;
+        float                  alpha;
+
+        bool                   is_hidden;
+};
+
+ply_label_plugin_interface_t *ply_label_plugin_get_interface (void);
+
+/* Query fontconfig, if available, for the default font. */
+static const char *
+query_fc_match()
+{
+        FILE *fp;
+        static char fc_match_out[PATH_MAX];
+
+        fp = popen("/usr/bin/fc-match -f %{file}", "r");
+        if (!fp)
+                return NULL;
+
+        fgets(fc_match_out, sizeof(fc_match_out), fp);
+
+        pclose(fp);
+
+        return fc_match_out;
+}
+
+static ply_label_plugin_control_t *
+create_control (void)
+{
+        FT_Error error;
+        ply_label_plugin_control_t *label;
+        const char                 *font_path;
+
+        label = calloc (1, sizeof(ply_label_plugin_control_t));
+        if(!label)
+                return NULL;
+
+        label->is_hidden = true;
+        label->width = -1;
+        label->text = NULL;
+
+        error = FT_Init_FreeType (&label->library);
+        if(error)
+        {
+                free(label);
+                return NULL;
+        }
+
+        font_path = query_fc_match();
+
+        if(font_path)
+                error = FT_New_Face (label->library, font_path, 0, &label->face);
+
+        if(!font_path || error)
+        {
+                font_path = FONT_FALLBACK;
+                error = FT_New_Face (label->library, font_path, 0, &label->face);
+
+                if(error)
+                {
+                    FT_Done_FreeType (label->library);
+                    free(label);
+                    return NULL;
+                }
+        }
+
+        /* 12pt/100dpi as default */
+        error = FT_Set_Char_Size (label->face, 12 << 6, 0, 100, 0);
+        if(error)
+        {
+                FT_Done_Face (label->face);
+                FT_Done_FreeType (label->library);
+                free(label);
+                return NULL;
+        }
+
+        return label;
+}
+
+static void
+destroy_control (ply_label_plugin_control_t *label)
+{
+        if (label == NULL)
+                return;
+
+        free (label->text);
+        FT_Done_Face (label->face);
+        FT_Done_FreeType (label->library);
+
+        free (label);
+}
+
+static long
+get_width_of_control (ply_label_plugin_control_t *label)
+{
+        return label->area.width;
+}
+
+static long
+get_height_of_control (ply_label_plugin_control_t *label)
+{
+        return label->area.height;
+}
+
+static FT_Int width_of_line(ply_label_plugin_control_t *label,
+                            const char                 *text)
+{
+        FT_Int width = 0;
+        FT_Int last_left = 0;
+
+        while(*text != '\0' && *text != '\n')
+        {
+            if(FT_Load_Char (label->face, *text, FT_LOAD_RENDER))
+                continue;
+
+            width += label->face->glyph->advance.x >> 6;
+            last_left = label->face->glyph->bitmap_left;
+
+            ++text;
+        }
+
+        return width + last_left;
+}
+
+static void
+size_control (ply_label_plugin_control_t *label)
+{
+        FT_Int      width;
+        const char *text = label->text;
+
+        if(label->is_hidden)
+                return;
+
+        label->area.width = 0;
+        label->area.height = 0;
+
+        /* Go through each line */
+        while(text && *text)
+        {
+                width = width_of_line (label, text);
+                if((uint32_t) width > label->area.width)
+                        label->area.width = width;
+
+                label->area.height += (label->face->size->metrics.ascender - label->face->size->metrics.descender) >> 6;
+
+                text = strchr (text, '\n');
+                /* skip newline character */
+                if (text)
+                    ++text;
+        }
+
+        /* If centered, area.x is not the origin anymore */
+        if((long) label->area.width < label->width)
+            label->area.width = label->width;
+}
+
+static void trigger_redraw (ply_label_plugin_control_t *label,
+                            bool                        adjust_size)
+{
+        ply_rectangle_t dirty_area = label->area;
+
+        if (label->is_hidden || label->display == NULL)
+                return;
+
+        if(adjust_size)
+                size_control(label);
+
+        ply_pixel_display_draw_area (label->display,
+                                     dirty_area.x, dirty_area.y,
+                                     dirty_area.width, dirty_area.height);
+}
+
+static FT_Int
+min (FT_Int a,
+     FT_Int b)
+{
+    return a < b ? a : b;
+}
+
+static void
+draw_bitmap (ply_label_plugin_control_t *label,
+             uint32_t                   *target,
+             ply_rectangle_t             target_size,
+             FT_Bitmap                  *source,
+             FT_Int                      x_start,
+             FT_Int                      y_start)
+{
+        FT_Int x, y, xs, ys;
+        FT_Int x_end = min (x_start + source->width, target_size.width);
+        FT_Int y_end = min (y_start + source->rows, target_size.height);
+
+        if((uint32_t) x_start >= target_size.width || (uint32_t) y_start >= target_size.height)
+            return;
+
+        uint8_t rs, gs, bs, rd, gd, bd, ad;
+        rs = 255 * label->red;
+        gs = 255 * label->green;
+        bs = 255 * label->blue;
+
+        for(y = y_start, ys = 0; y < y_end; ++y, ++ys)
+                for(x = x_start, xs = 0; x < x_end; ++x, ++xs)
+                {
+                        float alpha = label->alpha * (source->buffer[xs + source->pitch * ys] / 255.0f);
+                        float invalpha = 1.0f - alpha;
+                        uint32_t dest = target[x + target_size.width * y];
+
+                        /* Separate colors */
+                        rd = dest >> 16;
+                        gd = dest >> 8;
+                        bd = dest;
+
+                        /* Alpha blending */
+                        rd = invalpha * rd + alpha * rs;
+                        gd = invalpha * gd + alpha * gs;
+                        bd = invalpha * bd + alpha * bs;
+                        /* Semi-correct: Disregard the target alpha */
+                        ad = alpha * 255;
+
+                        target[x + target_size.width * y] = (ad << 24) | (rd << 16) | (gd << 8) | bd;
+                }
+}
+
+static void
+draw_control (ply_label_plugin_control_t *label,
+              ply_pixel_buffer_t         *pixel_buffer,
+              long                        x,
+              long                        y,
+              unsigned long               width,
+              unsigned long               height)
+{
+        FT_Error        error;
+        FT_Vector       pen;
+        FT_GlyphSlot    slot;
+        const char     *cur_c;
+        uint32_t       *target;
+        ply_rectangle_t target_size;
+
+        if (label->is_hidden)
+                return;
+
+        /* Check for overlap.
+           TODO: Don't redraw everything if only a part should be drawn! */
+        if(label->area.x > x + (long) width || label->area.y > y + (long) height
+            || label->area.x + (long) label->area.width < x
+            || label->area.y + (long) label->area.height < y)
+            return;
+
+        slot = label->face->glyph;
+
+        cur_c = label->text;
+
+        target = ply_pixel_buffer_get_argb32_data (pixel_buffer);
+        ply_pixel_buffer_get_size (pixel_buffer, &target_size);
+
+        if(target_size.height == 0)
+                return; /* This happens sometimes. */
+
+        /* 64ths of a pixel */
+        pen.y = label->area.y << 6;
+
+        /* Make sure that the first row fits */
+        pen.y += label->face->size->metrics.ascender;
+
+        /* Go through each line */
+        while(*cur_c)
+        {
+                pen.x = label->area.x << 6;
+
+                /* Start at start position (alignment) */
+                if(label->alignment == PLY_LABEL_ALIGN_CENTER)
+                    pen.x += (label->width - width_of_line(label, cur_c)) << 5;
+                else if(label->alignment == PLY_LABEL_ALIGN_RIGHT)
+                    pen.x += (label->width - width_of_line(label, cur_c)) << 6;
+
+                while(*cur_c && *cur_c != '\n')
+                {
+                    /* TODO: Unicode support. */
+                    error = FT_Load_Char (label->face, *cur_c, FT_LOAD_RENDER | FT_LOAD_TARGET_LIGHT);
+                    if(error)
+                        continue;
+
+                    draw_bitmap (label, target, target_size, &slot->bitmap,
+                                (pen.x >> 6) + slot->bitmap_left,
+                                (pen.y >> 6) - slot->bitmap_top);
+
+                    pen.x += slot->advance.x;
+                    pen.y += slot->advance.y;
+
+                    ++cur_c;
+                }
+                /* skip newline character */
+                if (*cur_c)
+                    ++cur_c;
+
+                /* Next line */
+                pen.y += label->face->size->metrics.height;
+        }
+}
+
+static void
+set_alignment_for_control (ply_label_plugin_control_t *label,
+                           ply_label_alignment_t       alignment)
+{
+        if (label->alignment != alignment) {
+                label->alignment = alignment;
+                trigger_redraw(label, true);
+        }
+}
+
+static void
+set_width_for_control (ply_label_plugin_control_t *label,
+                       long                        width)
+{
+        if (label->width != width) {
+                label->width = width;
+                trigger_redraw(label, true);
+        }
+}
+
+static void
+set_text_for_control (ply_label_plugin_control_t *label,
+                      const char                 *text)
+{
+        if (label->text != text) {
+                free (label->text);
+                label->text = strdup (text);
+                trigger_redraw(label, true);
+        }
+}
+
+static void
+set_font_for_control (ply_label_plugin_control_t *label,
+                      const char                 *fontdesc)
+{
+        /* Only able to set size */
+
+        char          *size_str_after;
+        const char    *size_str;
+        unsigned long  size;
+        bool           size_in_pixels;
+
+        size = 25; /* Default, if not set. */
+        size_in_pixels = false;
+
+        /* Format is "Family 1[,Family 2[,..]] [25[px]]" .
+           [] means optional. */
+        size_str = strrchr(fontdesc, ' ');
+
+        if(size_str)
+        {
+            size = strtoul(size_str, &size_str_after, 10);
+            if(size_str_after == size_str)
+                size = 25; /* Not a number */
+            else if(strcmp(size_str_after, "px") == 0)
+                size_in_pixels = true;
+        }
+
+        if(size_in_pixels)
+                FT_Set_Pixel_Sizes (label->face, 0, size);
+        else
+                FT_Set_Char_Size (label->face, size << 6, 0, 100, 0);
+
+        /* Ignore errors, to keep the current size. */
+
+        trigger_redraw(label, true);
+}
+
+static void
+set_color_for_control (ply_label_plugin_control_t *label,
+                       float                       red,
+                       float                       green,
+                       float                       blue,
+                       float                       alpha)
+{
+        label->red = red;
+        label->green = green;
+        label->blue = blue;
+        label->alpha = alpha;
+
+        trigger_redraw(label, false);
+}
+
+static bool
+show_control (ply_label_plugin_control_t *label,
+              ply_pixel_display_t        *display,
+              long                        x,
+              long                        y)
+{
+        ply_rectangle_t dirty_area;
+
+        dirty_area = label->area;
+        label->display = display;
+        label->area.x = x;
+        label->area.y = y;
+
+        label->is_hidden = false;
+
+        size_control (label);
+
+        if (!label->is_hidden && label->display != NULL)
+                ply_pixel_display_draw_area (label->display,
+                                             dirty_area.x, dirty_area.y,
+                                             dirty_area.width, dirty_area.height);
+
+        label->is_hidden = false;
+
+        return true;
+}
+
+static void
+hide_control (ply_label_plugin_control_t *label)
+{
+        label->is_hidden = true;
+        if (label->display != NULL)
+                ply_pixel_display_draw_area (label->display,
+                                             label->area.x, label->area.y,
+                                             label->area.width, label->area.height);
+
+        label->display = NULL;
+}
+
+static bool
+is_control_hidden (ply_label_plugin_control_t *label)
+{
+        return label->is_hidden;
+}
+
+ply_label_plugin_interface_t *
+ply_label_plugin_get_interface (void)
+{
+        static ply_label_plugin_interface_t plugin_interface =
+        {
+                .create_control            = create_control,
+                .destroy_control           = destroy_control,
+                .show_control              = show_control,
+                .hide_control              = hide_control,
+                .draw_control              = draw_control,
+                .is_control_hidden         = is_control_hidden,
+                .set_text_for_control      = set_text_for_control,
+                .set_alignment_for_control = set_alignment_for_control,
+                .set_width_for_control     = set_width_for_control,
+                .set_font_for_control      = set_font_for_control,
+                .set_color_for_control     = set_color_for_control,
+                .get_width_of_control      = get_width_of_control,
+                .get_height_of_control     = get_height_of_control
+        };
+
+        return &plugin_interface;
+}
+
+/* vim: set ts=4 sw=4 expandtab autoindent cindent cino={.5s,(0: */
diff -Nura plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/Makefile.am plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/Makefile.am
--- plymouth-0.9.5+git20200921+20778f2/src/plugins/controls/Makefile.am	2018-12-27 01:23:09.000000000 +0800
+++ plymouth-0.9.5+git20200921+20778f2_new/src/plugins/controls/Makefile.am	2020-10-05 21:59:39.941168232 +0800
@@ -1,4 +1,8 @@
+SUBDIRS =
 if ENABLE_PANGO
-SUBDIRS = label
+SUBDIRS += label
+endif
+if ENABLE_FREETYPE
+SUBDIRS += label-ft
 endif
 MAINTAINERCLEANFILES = Makefile.in

Places

File 0001-Add-label-ft-plugin.patch of Package plymouth (Revision e4baece03cf4a3cf6e09aa4b271fe406)

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