Add example program

.github/workflows/ci.yml

@@ -51,7 +51,7 @@ jobs:
 
     - name: Configure CSFML CMake
       shell: bash
-      run: cmake -S $GITHUB_WORKSPACE/CSFML -B $GITHUB_WORKSPACE/CSFML/build -DCMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/CSFML/install -DBUILD_SHARED_LIBS=TRUE -DCSFML_LINK_SFML_STATICALLY=FALSE -DSFML_DIR=$GITHUB_WORKSPACE/SFML/install/lib/cmake/SFML -DCMAKE_VERBOSE_MAKEFILE=ON -DWARNINGS_AS_ERRORS=TRUE ${{matrix.platform.flags}}
+      run: cmake -S $GITHUB_WORKSPACE/CSFML -B $GITHUB_WORKSPACE/CSFML/build -DCMAKE_INSTALL_PREFIX=$GITHUB_WORKSPACE/CSFML/install -DBUILD_SHARED_LIBS=TRUE -DCSFML_BUILD_EXAMPLES=TRUE -DCSFML_LINK_SFML_STATICALLY=FALSE -DSFML_DIR=$GITHUB_WORKSPACE/SFML/install/lib/cmake/SFML -DCMAKE_VERBOSE_MAKEFILE=ON -DWARNINGS_AS_ERRORS=TRUE ${{matrix.platform.flags}}
 
     - name: Build CSFML
       shell: bash

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 +1,5 @@
+set(SRC example.c)
+
+add_executable(example ${SRC})
+target_link_libraries(example PRIVATE csfml-graphics csfml-audio)
+set_file_warnings(${SRC})

examples/example.c

@@ -0,0 +1,89 @@
+#include <SFML/Audio.h>
+#include <SFML/Graphics.h>
+
+#include <stdlib.h>
+
+int main(void)
+{
+    // Create the main window
+    const 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("sfml_logo.png", NULL);
+    if (!texture)
+    {
+        sfRenderWindow_destroy(window);
+        return EXIT_FAILURE;
+    }
+    sfSprite* sprite = sfSprite_create();
+    sfSprite_setTexture(sprite, texture, sfTrue);
+    const sfVector2f spritePosition = {200, 200};
+    sfSprite_setPosition(sprite, spritePosition);
+
+    // Create a graphical text to display
+    sfFont* font = sfFont_createFromFile("tuffy.ttf");
+    if (!font)
+    {
+        sfSprite_destroy(sprite);
+        sfTexture_destroy(texture);
+        sfRenderWindow_destroy(window);
+        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("doodle_pop.ogg");
+    if (!music)
+    {
+        sfText_destroy(text);
+        sfFont_destroy(font);
+        sfSprite_destroy(sprite);
+        sfTexture_destroy(texture);
+        sfRenderWindow_destroy(window);
+        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;
+}