From 21c1a2d655dfef3e9de969d545604c0e5eb57060 Mon Sep 17 00:00:00 2001
From: Michal Maciola <m.maciola@samsung.com>
Date: Wed, 4 Aug 2021 11:57:42 +0200
Subject: [PATCH] evas vg: added evas-vg-json-multiple.c example

Added evas-vg-json-multiple.c example for loading multiple lottie files
Example shows the usage of efl_file_simple_load and eina_file_dir_list
and is helpful testing json loader changes

Change-Id: I11de3eb5ff774e1ab26d6db9cc7e0e1d809f793f
---
 src/examples/evas/evas-vg-json-multiple.c | 95 +++++++++++++++++++++++++++++++
 src/examples/evas/meson.build             |  1 +
 2 files changed, 96 insertions(+)
 create mode 100644 src/examples/evas/evas-vg-json-multiple.c

diff --git a/src/examples/evas/evas-vg-json-multiple.c b/src/examples/evas/evas-vg-json-multiple.c
new file mode 100644
index 0000000..715782a
--- /dev/null
+++ b/src/examples/evas/evas-vg-json-multiple.c
@@ -0,0 +1,95 @@
+/**
+ * Example of loading multiple lottie files using Evas_VG and eina_file_dir_list.
+ *
+ * @verbatim
+ * gcc -o evas_vg_json evas-vg-json-multiple.c `pkg-config --libs --cflags evas ecore ecore-evas eina ector eo efl`
+ * @endverbatim
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifndef PACKAGE_EXAMPLES_DIR
+#define PACKAGE_EXAMPLES_DIR "."
+#endif
+
+#ifndef EFL_BETA_API_SUPPORT
+#define EFL_BETA_API_SUPPORT
+#endif
+
+#ifndef EFL_EO_API_SUPPORT
+#define EFL_EO_API_SUPPORT
+#endif
+
+
+#include <Ecore.h>
+#include <Ecore_Evas.h>
+#include "evas-common.h"
+
+#define WIDTH  800
+#define HEIGHT 800
+#define NUM_PER_LINE 8
+#define SIZE (WIDTH/NUM_PER_LINE)
+
+static int count = 0;
+void jsonDirCallback(const char* name, const char* path, void* data)
+{
+    //ignore if not json
+    const char *ext = name + strlen(name) - 4;
+    if (strcmp(ext, "json")) return;
+
+    if (count >= WIDTH * HEIGHT / (SIZE * SIZE)) return;
+
+    char buf[PATH_MAX];
+    snprintf(buf, sizeof(buf), "%s/%s", path, name);
+    printf("file: %s\n", buf);
+
+    Eo *evas = (Eo*) data;
+    Eo *vg = efl_add(EFL_CANVAS_VG_OBJECT_CLASS, evas);
+    efl_file_simple_load(vg, buf, NULL);
+    efl_gfx_entity_size_set(vg, EINA_SIZE2D(100, 100));
+    efl_gfx_entity_position_set(vg, EINA_POSITION2D((count % NUM_PER_LINE) * SIZE, (count / NUM_PER_LINE) * SIZE));
+    efl_gfx_entity_visible_set(vg, EINA_TRUE);
+    count++;
+}
+
+static void
+_on_delete(Ecore_Evas *ee EINA_UNUSED)
+{
+   ecore_main_loop_quit();
+}
+
+int
+main(void)
+{
+   if (!ecore_evas_init())
+     return EXIT_FAILURE;
+
+   Ecore_Evas *ee = ecore_evas_new(NULL, 0, 0, WIDTH, HEIGHT, NULL);
+   if (!ee)
+     goto panic;
+
+   ecore_evas_callback_delete_request_set(ee, _on_delete);
+   ecore_evas_show(ee);
+
+   Eo *evas = ecore_evas_get(ee);
+
+   Eo *bg = efl_add(EFL_CANVAS_RECTANGLE_CLASS, evas);
+   efl_gfx_entity_size_set(bg, EINA_SIZE2D(WIDTH, HEIGHT));
+   efl_gfx_color_set(bg, 255, 255, 255, 255);
+   efl_gfx_entity_visible_set(bg, EINA_TRUE);
+   evas_object_focus_set(bg, EINA_TRUE);
+
+   eina_file_dir_list(PACKAGE_EXAMPLES_DIR EVAS_VG_FOLDER, EINA_TRUE, jsonDirCallback, evas);
+
+   ecore_main_loop_begin();
+   ecore_evas_shutdown();
+
+   return 0;
+
+panic:
+   fprintf(stderr, "error: Requires at least one Evas engine built and linked"
+                   " to ecore-evas for this example to run properly.\n");
+   return -2;
+}
diff --git a/src/examples/evas/meson.build b/src/examples/evas/meson.build
index 2b22676..8b0d67e 100644
--- a/src/examples/evas/meson.build
+++ b/src/examples/evas/meson.build
@@ -39,6 +39,7 @@ examples = [
   'evas-vg-batman',
   'evas-vg-simple',
   'evas-vg-json',
+  'evas-vg-json-multiple',
   'evas-vg-node',
   'evas-vg-svg',
   'efl-canvas-animation',
-- 
2.7.4