added: 'whatever'

sdl/whatever/Makefile

@@ -0,0 +1,32 @@
+PREFIX=/usr
+
+#OBJS specifies which files to compile as part of the project
+OBJS = whatever.c
+
+#CC specifies which compiler to use
+CC = clang
+
+#COMPILER_FLAGS specifies the additional compilation options we're using
+# -w suppress all warnings
+COMPILER_FLAGS = -Wall
+
+#LINKER_FLAGS specifies the libraries we're linking against
+LINKER_FLAGS = -lSDL
+
+#OBJ_NAME specifies the name of our executable
+OBJ_NAME= whatever
+
+#This is the target that compiles our executable
+all	:	$(OBJS)
+	$(CC) $(OBJS) $(COMPILER_FLAGS) $(LINKER_FLAGS) -o $(OBJ_NAME)
+install :
+	mkdir -p ${PREFIX}/share/${OBJ_NAME}
+	cp ${OBJ_NAME} ${PREFIX}/share/${OBJ_NAME}/
+	ln -si ${PREFIX}/share/${OBJ_NAME}/${OBJ_NAME} ${PREFIX}/bin/${OBJ_NAME}
+uninstall :
+	rm ${PREFIX}/bin/${OBJ_NAME}
+	rm ${PREFIX}/share/${OBJ_NAME}/${OBJ_NAME}
+	rm -r ${PREFIX}/share/${OBJ_NAME}
+clean :
+	rm ${OBJ_NAME}
+

sdl/whatever/sdltest/Makefile

@@ -0,0 +1,5 @@
+sdltest:	sdltest.cpp
+	g++ `sdl-config --cflags --libs` sdltest.cpp -o sdltest
+
+clean:
+	rm sdltest

sdl/whatever/sdltest/sdltest.cpp

@@ -0,0 +1,66 @@
+
+#include "SDL.h"
+
+int main( int argc, char* argv[] )
+{
+	/* initialize SDL */
+	SDL_Init(SDL_INIT_VIDEO);
+
+	/* set the title bar */
+	SDL_WM_SetCaption("SDL Test", "SDL Test");
+
+	/* create window */
+	SDL_Surface* screen = SDL_SetVideoMode(640, 480, 0, 0);
+
+	/* load bitmap to temp surface */
+	SDL_Surface* temp = SDL_LoadBMP("sdl_logo.bmp");
+
+	/* convert bitmap to display format */
+	SDL_Surface* bg = SDL_DisplayFormat(temp);
+
+	/* free the temp surface */
+	SDL_FreeSurface(temp);
+
+	SDL_Event event;
+	int gameover = 0;
+
+	/* message pump */
+	while (!gameover)
+	{
+		/* look for an event */
+		if (SDL_PollEvent(&event)) {
+			/* an event was found */
+			switch (event.type) {
+				/* close button clicked */
+				case SDL_QUIT:
+					gameover = 1;
+					break;
+
+				/* handle the keyboard */
+				case SDL_KEYDOWN:
+					switch (event.key.keysym.sym) {
+						case SDLK_ESCAPE:
+						case SDLK_q:
+							gameover = 1;
+							break;
+					}
+					break;
+			}
+		}
+
+		/* draw the background */
+		SDL_BlitSurface(bg, NULL, screen, NULL);
+
+		/* update the screen */
+		SDL_UpdateRect(screen, 0, 0, 0, 0);
+	}
+
+	/* free the background surface */
+	SDL_FreeSurface(bg);
+
+	/* cleanup SDL */
+	SDL_Quit();
+
+	return 0;
+}
+

sdl/whatever/whatever.c

@@ -0,0 +1,136 @@
+#include "SDL/SDL.h"
+
+//Write a function that moves an image based on which arrow keys are pressed.
+//something like
+//void move_image(direction, image);
+
+
+
+
+int main ( int argc, char *argv[] )
+{
+  /* initialize SDL */
+  if (SDL_Init(SDL_INIT_VIDEO) != 0){
+		printf("Unable to init SDL!: %s\n", SDL_GetError());
+		return 1;
+	}
+
+  /* set the title bar */
+  SDL_WM_SetCaption("SDL Test", "SDL Test");
+	
+	/* init surfaces */
+	SDL_Surface* screen;
+	SDL_Surface* temp;
+	SDL_Surface* bg;
+	SDL_Surface* top_image;
+	SDL_Rect src, dest;
+
+
+  /* create window of size 640x480 in hi-color (16-bit) mode*/ 
+	screen = SDL_SetVideoMode(640, 480, 16, 0);
+
+	if (screen == NULL){
+		printf("Unable to set video mode: %s\n", SDL_GetError());
+		return 1;
+	}
+	atexit(SDL_Quit);
+
+  /* load bitmap to temp surface */
+  temp = SDL_LoadBMP("sdl_logo.bmp");
+
+	if (temp == NULL){
+		printf("Unable to find image!!: %s\n", SDL_GetError());
+		return 1;
+	}
+
+  /* convert bitmap to display format */
+  bg = SDL_DisplayFormat(temp);
+	if (bg == NULL){
+		printf("Unable to format image!: %s\n", SDL_GetError());
+	}
+
+
+  /* free the temp surface 
+	 * What we are doing above, with temp is simply
+	 * making everything easier to deal with
+	 * then freeing the extra memory space.
+	 * i.e: We could have just as easily done
+	 * SDL_DisplayFormat(SDL_LoadBMP("sdl_logo.bmp"));*/
+  SDL_FreeSurface(temp);
+
+	/* load top_image image to practice blit on top of surface*/
+	temp = SDL_LoadBMP("dinowheel.bmp");
+	if (temp == NULL){
+		printf("Unable to load top_image: %s/n", SDL_GetError());
+		return 1;
+	}
+
+	top_image = SDL_DisplayFormat(temp);
+	if (top_image == NULL){
+		printf("Unable to format top_image: %s/n", SDL_GetError());
+		return 1;
+	}
+
+	SDL_FreeSurface(temp);
+
+	src.x = 0;
+	src.y = 0;
+	src.w = top_image->w; /* copy entire image */
+	src.h = top_image->h;
+  /* Could also do "dest = src" if they were to start at the same spot */
+	dest.x = 25;
+	dest.y = 25;
+	dest.w = top_image->w;
+	dest.h = top_image->h;
+
+  SDL_Event event;
+  int gameover = 0;
+
+  /* message pump */
+  while (!gameover)
+  {
+    /* look for an event */
+    if (SDL_PollEvent(&event)) {
+      /* an event was found */
+      switch (event.type) {
+        /* close button clicked */
+        case SDL_QUIT:
+          gameover = 1;
+          break;
+
+        /* handle the keyboard */
+        case SDL_KEYDOWN:
+          switch (event.key.keysym.sym) {
+            case SDLK_ESCAPE:
+            case SDLK_q:
+              gameover = 1;
+              break;
+						case SDLK_w:
+							printf("You just pressed 'w'\n");
+							break;
+          }
+          break;
+      }
+    }
+
+    /* draw the background */
+    SDL_BlitSurface(bg, NULL, screen, NULL);
+
+		/* Blit top_image to the screen */
+		SDL_BlitSurface(top_image, &src, screen, &dest);
+
+    /* update the screen */
+    SDL_UpdateRect(screen, 0, 0, 0, 0);
+  }
+
+  /* free the background surface */
+  SDL_FreeSurface(bg);
+
+	/* free top_image */
+	SDL_FreeSurface(top_image);
+
+  /* cleanup SDL */
+  SDL_Quit();
+
+  return 0;
+}