Fundamental framework for an SDL application

drawutils.cpp

@@ -0,0 +1,51 @@
+#include "drawutils.h"
+
+SDL_Surface* DrawUtils::load(string file)
+{
+    SDL_Surface* raw = NULL;
+    SDL_Surface* cooked = NULL;
+
+    raw = SDL_LoadBMP(file.c_str());
+    if (raw == NULL) return NULL;
+
+    cooked = SDL_DisplayFormat(raw);
+    SDL_FreeSurface(raw); // don't consume raw surfaces
+
+    return cooked;
+}
+
+
+bool DrawUtils::draw(SDL_Surface* dest, SDL_Surface* drawable, int x, int y)
+{
+    if (dest == NULL || drawable == NULL) return false;
+
+    SDL_Rect dest_r;
+
+    dest_r.x = x;
+    dest_r.y = y;
+
+    SDL_BlitSurface(drawable, NULL, dest, &dest_r);
+
+    return true;
+}
+
+
+bool DrawUtils::draw(SDL_Surface* dest, SDL_Surface* drawable, int x, int y, 
+		     int x2, int y2, int w, int h)
+{
+    SDL_Rect dest_r;
+
+    dest_r.x = x;
+    dest_r.y = y;
+
+    SDL_Rect src_r;
+
+    src_r.x = x2;
+    src_r.y = y2;
+    src_r.w = w;
+    src_r.h = h;
+
+    SDL_BlitSurface(drawable, &src_r, dest, &dest_r);
+
+    return true;
+}