Start of using SDL2

imlac_sdl/NOTES

@@ -0,0 +1,8 @@
+Linker options:
+
+    `sdl2-config --cflags --libs` -lSDL2 -lSDL2_mixer -lSDL2_image -lSDL2_ttf
+
+eg:
+
+    gcc myProgram.c -o myProgram `sdl2-config --cflags --libs` -lSDL2 -lSDL2_mixer -lSDL2_image -lSDL2_ttf
+    g++ myProgram.cpp -o myProgram `sdl2-config --cflags --libs` -lSDL2 -lSDL2_mixer -lSDL2_image -lSDL2_ttf

imlac_sdl/borderless/Makefile

@@ -0,0 +1,9 @@
+CC=gcc
+LDOPTS=`sdl2-config --cflags --libs` -lSDL2 -lSDL2_mixer -lSDL2_image -lSDL2_ttf
+
+test:	test.c Makefile
+	${CC} test.c -o test ${LDOPTS}
+
+clean:
+	rm -Rf test
+

imlac_sdl/borderless/test.c

@@ -0,0 +1,64 @@
+#include <stdbool.h>
+#include <SDL.h>
+
+#define WIDTH	1024
+#define HEIGHT	1024
+ 
+int main(int argc, char ** argv)
+{
+    // variables
+    bool quit = false;
+    SDL_Event event;
+ 
+    // init SDL
+    SDL_Init(SDL_INIT_VIDEO);
+    SDL_Window * window = SDL_CreateWindow("SDL2 line drawing",
+                                           SDL_WINDOWPOS_UNDEFINED,
+					   SDL_WINDOWPOS_UNDEFINED,
+					   WIDTH, HEIGHT, SDL_WINDOW_BORDERLESS);
+    SDL_Renderer * renderer = SDL_CreateRenderer(window, -1, 0);
+
+    // handle events
+    while (!quit)
+    {
+        SDL_Delay(10);
+        SDL_PollEvent(&event);
+ 
+        switch (event.type)
+        {
+            case SDL_QUIT:
+                quit = true;
+                break;
+	    case SDL_MOUSEBUTTONUP:
+                switch (event.button.button)
+                {
+                    case SDL_BUTTON_LEFT:
+                        quit = true;
+                        break;
+                }
+                break;
+        }
+ 
+        // clear window
+        SDL_SetRenderDrawColor(renderer, 0, 0, 0, 255);
+        SDL_RenderClear(renderer);
+ 
+        // TODO rendering code goes here
+        SDL_SetRenderDrawColor(renderer, 255, 255, 255, 255);
+        SDL_RenderDrawLine(renderer, 0, 0, WIDTH, HEIGHT);
+        SDL_RenderDrawLine(renderer, WIDTH, 0, 0, HEIGHT);
+ 
+        // render window
+ 
+        SDL_RenderPresent(renderer);
+    }
+ 
+    // cleanup SDL
+ 
+    SDL_DestroyRenderer(renderer);
+    SDL_DestroyWindow(window);
+    SDL_Quit();
+ 
+    return 0;
+}
+

imlac_sdl/hello_world/Makefile

@@ -0,0 +1,9 @@
+CC=gcc
+LDOPTS=`sdl2-config --cflags --libs` -lSDL2 -lSDL2_mixer -lSDL2_image -lSDL2_ttf
+
+hello_world:	hello_world.c Makefile
+	${CC} hello_world.c -o hello_world ${LDOPTS}
+
+clean:
+	rm -Rf hello_world
+

imlac_sdl/hello_world/hello_world.c

@@ -0,0 +1,9 @@
+#include <SDL.h>
+
+int main(int argc, char *argv[])
+{
+    SDL_ShowSimpleMessageBox(SDL_MESSAGEBOX_INFORMATION, 
+                             "Smoke Test", "Hello, world!", NULL);
+
+    return 0;
+}