Add meson build

cross_i686_w64_mingw32.txt

@@ -0,0 +1,14 @@
+[binaries]
+c = 'i686-w64-mingw32-gcc.exe'
+ar = 'ar.exe'
+strip = 'strip.exe'
+pkgconfig = "pkg-config.exe"
+
+[properties]
+c_args = ['-DDLL_EXPORT']
+
+[host_machine]
+system = 'windows'
+cpu_family = 'x86'
+cpu = 'i686'
+endian = 'little'

meson.build

@@ -0,0 +1,5 @@
+project('echart', 'c')
+srclib = ['src/lib/Echart.h', 'src/lib/echart_main.c']
+einadep = dependency('eina')
+evasdep = dependency('evas')
+shared_library('libechart', srclib, c_args : '-DECHART_BUILD', dependencies : [einadep, evasdep])

src/lib/Echart.h

@@ -0,0 +1,55 @@
+/* Echart - Chart rendering library
+ * Copyright (C) 2017 Vincent Torri
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ECHART_H
+#define ECHART_H
+
+#ifdef EAPI
+# undef EAPI
+#endif
+
+#ifdef _WIN32
+# ifdef ECHART_BUILD
+#  ifdef DLL_EXPORT
+#   define EAPI __declspec(dllexport)
+#  else
+#   define EAPI
+#  endif
+# else
+#  define EAPI __declspec(dllimport)
+# endif
+#else
+#warning UNIX
+# ifdef __GNUC__
+#  if __GNUC__ >= 4
+#   define EAPI __attribute__ ((visibility("default")))
+#  else
+#   define EAPI
+#  endif
+# else
+#  define EAPI
+# endif
+#endif
+
+EAPI int echart_init(void);
+EAPI int echart_shutdown(void);
+
+#undef EAPI
+#define EAPI
+
+#endif

src/lib/echart_main.c

@@ -0,0 +1,105 @@
+/* Echart - Chart rendering library
+ * Copyright (C) 2017 Vincent Torri
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+
+#include <Eina.h>
+#include <Evas.h>
+
+#include "Echart.h"
+#include "echart_private.h"
+
+/*============================================================================*
+ *                                  Local                                     *
+ *============================================================================*/
+
+/**
+ * @cond LOCAL
+ */
+
+static int _echart_init_count = 0;
+
+/**
+ * @endcond
+ */
+
+/*============================================================================*
+ *                                 Global                                     *
+ *============================================================================*/
+
+int echart_log_dom_global = -1;
+
+/*============================================================================*
+ *                                   API                                      *
+ *============================================================================*/
+
+EAPI int
+echart_init(void)
+{
+    if (++_echart_init_count != 1)
+        return _echart_init_count;
+
+    if (!eina_init())
+    {
+        fprintf(stderr, "Echart: Could not initialize Eina.\n");
+        return --_echart_init_count;
+    }
+
+    echart_log_dom_global = eina_log_domain_register("echart",
+                                                     ECHART_DEFAULT_LOG_COLOR);
+    if (echart_log_dom_global < 0)
+    {
+        EINA_LOG_ERR("Echart: Could not register log domain 'echart'.");
+        goto shutdown_eina;
+    }
+
+    if (!evas_init())
+    {
+        ERR("Could not initialize Evas.");
+        goto unregister_log_domain;
+    }
+
+    return _echart_init_count;
+
+  unregister_log_domain:
+    eina_log_domain_unregister(echart_log_dom_global);
+    echart_log_dom_global = -1;
+  shutdown_eina:
+    eina_shutdown();
+
+    return --_echart_init_count;
+}
+
+EAPI int
+echart_shutdown(void)
+{
+    if (_echart_init_count <= 0)
+    {
+        ERR("Init count not greater than 0 in shutdown.");
+        return 0;
+    }
+    if (--_echart_init_count != 0)
+        return _echart_init_count;
+
+    evas_shutdown();
+    eina_log_domain_unregister(echart_log_dom_global);
+    echart_log_dom_global = -1;
+    eina_shutdown();
+
+    return _echart_init_count;
+}

src/lib/echart_private.h

@@ -0,0 +1,54 @@
+/* Echart - Chart rendering library
+ * Copyright (C) 2017 Vincent Torri
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library.
+ * If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ECHART_MAIN_H
+#define ECHART_MAIN_H
+
+extern int echart_log_dom_global;
+
+#ifdef ECHART_DEFAULT_LOG_COLOR
+# undef ECHART_DEFAULT_LOG_COLOR
+#endif
+#define ECHART_DEFAULT_LOG_COLOR EINA_COLOR_CYAN
+
+#ifdef ERR
+# undef ERR
+#endif
+#define ERR(...)  EINA_LOG_DOM_ERR(echart_log_dom_global, __VA_ARGS__)
+
+#ifdef DBG
+# undef DBG
+#endif
+#define DBG(...)  EINA_LOG_DOM_DBG(echart_log_dom_global, __VA_ARGS__)
+
+#ifdef INF
+# undef INF
+#endif
+#define INF(...)  EINA_LOG_DOM_INFO(echart_log_dom_global, __VA_ARGS__)
+
+#ifdef WRN
+# undef WRN
+#endif
+#define WRN(...)  EINA_LOG_DOM_WARN(echart_log_dom_global, __VA_ARGS__)
+
+#ifdef CRIT
+# undef CRIT
+#endif
+#define CRIT(...) EINA_LOG_DOM_CRIT(echart_log_dom_global, __VA_ARGS__)
+
+#endif