Add example program

CMakeLists.txt

@@ -87,3 +87,9 @@ install(DIRECTORY include
         PATTERN ".svn" EXCLUDE)
 install(FILES license.md DESTINATION ${INSTALL_MISC_DIR})
 install(FILES readme.md DESTINATION ${INSTALL_MISC_DIR})
+
+# add an option for building the examples
+csfml_set_option(CSFML_BUILD_EXAMPLES FALSE BOOL "TRUE to build the CSFML examples, FALSE to ignore them")
+if(CSFML_BUILD_EXAMPLES)
+    add_subdirectory(examples)
+endif()

examples/CMakeLists.txt

@@ -0,0 +1,2 @@
+add_executable(example example.c)
+target_link_libraries(example PRIVATE csfml-graphics csfml-audio)

examples/example.c

@@ -0,0 +1,72 @@
+#include <SFML/Audio.h>
+#include <SFML/Graphics.h>
+
+#include <stdlib.h>
+
+int main()
+{
+    /* Create the main window */
+    sfVideoMode mode = {800, 600, 32};
+    sfRenderWindow* window = sfRenderWindow_create(mode, "SFML window", sfResize | sfClose, NULL);
+    if (!window)
+        return EXIT_FAILURE;
+
+    /* Load a sprite to display */
+    sfTexture* texture = sfTexture_createFromFile("cute_image.jpg", NULL);
+    if (!texture)
+        return EXIT_FAILURE;
+    sfSprite* sprite = sfSprite_create();
+    sfSprite_setTexture(sprite, texture, sfTrue);
+
+    /* Create a graphical text to display */
+    sfFont* font = sfFont_createFromFile("arial.ttf");
+    if (!font)
+        return EXIT_FAILURE;
+    sfText* text = sfText_create();
+    sfText_setString(text, "Hello SFML");
+    sfText_setFont(text, font);
+    sfText_setCharacterSize(text, 50);
+
+    /* Load a music to play */
+    sfMusic* music = sfMusic_createFromFile("nice_music.ogg");
+    if (!music)
+        return EXIT_FAILURE;
+
+    /* Play the music */
+    sfMusic_play(music);
+
+    /* Start the game loop */
+    sfEvent event;
+    while (sfRenderWindow_isOpen(window))
+    {
+        /* Process events */
+        while (sfRenderWindow_pollEvent(window, &event))
+        {
+            /* Close window : exit */
+            if (event.type == sfEvtClosed)
+                sfRenderWindow_close(window);
+        }
+
+        /* Clear the screen */
+        sfRenderWindow_clear(window, sfBlack);
+
+        /* Draw the sprite */
+        sfRenderWindow_drawSprite(window, sprite, NULL);
+
+        /* Draw the text */
+        sfRenderWindow_drawText(window, text, NULL);
+
+        /* Update the window */
+        sfRenderWindow_display(window);
+    }
+
+    /* Cleanup resources */
+    sfMusic_destroy(music);
+    sfText_destroy(text);
+    sfFont_destroy(font);
+    sfSprite_destroy(sprite);
+    sfTexture_destroy(texture);
+    sfRenderWindow_destroy(window);
+
+    return EXIT_SUCCESS;
+}