vg_savers/svg: empty (for now) module that will save svg in original file

Just as a starter to make a working background that, later on, will go
through Svg_Node's and build a certain source code to be saved in SVG
picture as a file

src/Makefile_Evas.am

@@ -1607,7 +1607,7 @@ endif
 
 if BUILD_VG_LOADER_SVG
 if EVAS_STATIC_BUILD_VG_SVG
-lib_evas_libevas_la_SOURCES += modules/evas/vg_loaders/svg/evas_vg_load_svg.c \
+lib_evas_libevas_la_SOURCES += modules/evas/vg_loaders/svg/evas_vg_load_svg.c modules/evas/vg_savers/svg/evas_vg_save_svg.c \
 static_libs/vg_common/vg_common.c \
 static_libs/vg_common/vg_common.h
 lib_evas_libevas_la_CPPFLAGS += -I$(top_srcdir)/src/static_libs/vg_common \
@@ -1636,6 +1636,29 @@ modules_evas_vg_loaders_svg_module_la_LIBADD = \
 modules_evas_vg_loaders_svg_module_la_DEPENDENCIES = @USE_EVAS_INTERNAL_LIBS@
 modules_evas_vg_loaders_svg_module_la_LDFLAGS = -module @EFL_LTMODULE_FLAGS@
 modules_evas_vg_loaders_svg_module_la_LIBTOOLFLAGS = --tag=disable-static
+
+vgsaversvgpkgdir = $(libdir)/evas/modules/vg_savers/svg/$(MODULE_ARCH)
+vgsaversvgpkg_LTLIBRARIES = modules/evas/vg_savers/svg/module.la
+
+# Workaround for broken parallel install support in automake (relink issue)
+# http://debbugs.gnu.org/cgi/bugreport.cgi?bug=7328
+install_vgsaversvgpkgLTLIBRARIES = install-vgloadersvgpkgLTLIBRARIES
+$(install_vgsaversvgpkgLTLIBRARIES): install-libLTLIBRARIES
+
+modules_evas_vg_savers_svg_module_la_SOURCES = modules/evas/vg_savers/svg/evas_vg_save_svg.c \
+static_libs/vg_common/vg_common.c \
+static_libs/vg_common/vg_common.h
+modules_evas_vg_savers_svg_module_la_CPPFLAGS = -I$(top_builddir)/src/lib/efl \
+-I$(top_srcdir)/src/lib/evas/include \
+-I$(top_srcdir)/src/static_libs/vg_common \
+@EVAS_CFLAGS@ \
+@evas_vg_saver_svg_cflags@
+modules_evas_vg_savers_svg_module_la_LIBADD = \
+@USE_EVAS_LIBS@ \
+@evas_vg_saver_svg_libs@
+modules_evas_vg_savers_svg_module_la_DEPENDENCIES = @USE_EVAS_INTERNAL_LIBS@
+modules_evas_vg_savers_svg_module_la_LDFLAGS = -module @EFL_LTMODULE_FLAGS@
+modules_evas_vg_savers_svg_module_la_LIBTOOLFLAGS = --tag=disable-static
 endif
 endif
 

src/lib/evas/file/evas_module.c

@@ -207,6 +207,7 @@ EVAS_EINA_STATIC_MODULE_DEFINE(image_loader, tgv);
 
 #if !EVAS_MODULE_NO_VG_SAVERS
 EVAS_EINA_STATIC_MODULE_DEFINE(vg_saver, eet);
+EVAS_EINA_STATIC_MODULE_DEFINE(vg_saver, svg);
 #endif
 
 #if !EVAS_MODULE_NO_IMAGE_SAVERS
@@ -319,6 +320,9 @@ static const struct {
 #ifdef EVAS_STATIC_BUILD_VG_EET
   EVAS_EINA_STATIC_MODULE_USE(vg_saver, eet),
 #endif
+#ifdef EVAS_STATIC_BUILD_VG_SVG
+  EVAS_EINA_STATIC_MODULE_USE(vg_saver, svg),
+#endif
 #endif
 #if !EVAS_MODULE_NO_IMAGE_SAVERS
 #ifdef EVAS_STATIC_BUILD_EET

src/lib/evas/vg/evas_vg_cache.c

@@ -102,7 +102,8 @@ struct ext_saver_s
 static const struct ext_saver_s savers[] =
 { /* map extensions to savers to use for good first-guess tries */
    MATCHING(".eet", "eet"),
-   MATCHING(".edj", "eet")
+   MATCHING(".edj", "eet"),
+   MATCHING(".svg", "svg")
 };
 
 static Evas_Module *

src/modules/evas/vg_savers/svg/evas_vg_save_svg.c

@@ -0,0 +1,72 @@
+#include "vg_common.h"
+
+static int _evas_vg_saver_svg_log_dom = -1;
+
+#ifdef ERR
+# undef ERR
+#endif
+#define ERR(...) EINA_LOG_DOM_ERR(_evas_vg_saver_eet_log_dom, __VA_ARGS__)
+
+#ifdef INF
+# undef INF
+#endif
+#define INF(...) EINA_LOG_DOM_INFO(_evas_vg_saver_eet_log_dom, __VA_ARGS__)
+
+int
+evas_vg_save_file_svg(Vg_File_Data *evg_data, const char *file, const char *key EINA_UNUSED, int compress EINA_UNUSED)
+{
+   Svg_Node *root EINA_UNUSED;
+   Eet_File *ef;
+
+   ef = eet_open(file, EET_FILE_MODE_WRITE);
+   if (!ef)
+     return EVAS_LOAD_ERROR_GENERIC;
+
+   root = vg_common_create_svg_node(evg_data);
+   //TODO: parse root into SVG source code and save into file as text file
+   eet_close(ef);
+
+   return EVAS_LOAD_ERROR_NONE;
+}
+
+static Evas_Vg_Save_Func evas_vg_save_svg_func =
+{
+   evas_vg_save_file_svg
+};
+
+static int
+module_open(Evas_Module *em)
+{
+   if (!em) return 0;
+   em->functions = (void *)(&evas_vg_save_svg_func);
+   _evas_vg_saver_svg_log_dom = eina_log_domain_register
+     ("vg-save-svg", EVAS_DEFAULT_LOG_COLOR);
+   if (_evas_vg_saver_svg_log_dom < 0)
+     {
+        EINA_LOG_ERR("Can not create a module log domain.");
+        return 0;
+     }
+   return 1;
+}
+
+static void
+module_close(Evas_Module *em EINA_UNUSED)
+{
+}
+
+static Evas_Module_Api evas_modapi =
+{
+   EVAS_MODULE_API_VERSION,
+   "svg",
+   "none",
+   {
+     module_open,
+     module_close
+   }
+};
+
+EVAS_MODULE_DEFINE(EVAS_MODULE_TYPE_VG_SAVER, vg_saver, svg);
+
+#ifndef EVAS_STATIC_BUILD_VG_SVG
+EVAS_EINA_MODULE_DEFINE(vg_saver, svg);
+#endif