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	diff --git a/util/bitmap.cpp b/util/bitmap.cpp
	index c9a8060f..ee7decc7 100644
	--- a/util/bitmap.cpp
	+++ b/util/bitmap.cpp
	@@ -1,58 +1,60 @@
	+#ifdef USE_ALLEGRO
	#include <allegro.h>
	+#endif

	#include "bitmap.h"

	/* implementation independant definitions can go here */

	Bitmap * Bitmap::temporary_bitmap = NULL;

	int Bitmap::SCALE_X = 0;
	int Bitmap::SCALE_Y = 0;
	const int Bitmap::MODE_TRANS = 0;
	const int Bitmap::MODE_SOLID = 1;

	const int Bitmap::SPRITE_NO_FLIP = 0;
	const int Bitmap::SPRITE_V_FLIP = 1;
	const int Bitmap::SPRITE_H_FLIP = 2;

	const int Bitmap::SPRITE_NORMAL = 1;
	const int Bitmap::SPRITE_LIT = 2;
	const int Bitmap::SPRITE_TRANS = 3;

	#ifdef USE_ALLEGRO
	#include "allegro/bitmap.cpp"
	#endif
	#ifdef USE_SDL
	#include "sdl/bitmap.cpp"
	#endif

	static inline int max(int a, int b){
	return a > b ? a : b;
	}

	Bitmap::~Bitmap(){
	releaseInternalBitmap();
	}

	Bitmap Bitmap::temporaryBitmap(int w, int h){
	if (temporary_bitmap == NULL){
	temporary_bitmap = new Bitmap(w, h);
	} else if (temporary_bitmap->getWidth() < w \|\| temporary_bitmap->getHeight() < h){
	int mw = max(temporary_bitmap->getWidth(), w);
	int mh = max(temporary_bitmap->getHeight(), h);
	// printf("Create temporary bitmap %d %d\n", mw, mh);
	delete temporary_bitmap;
	temporary_bitmap = new Bitmap(mw, mh);
	}
	if (temporary_bitmap == NULL){
	printf("bug temporary bitmap is null\n");
	}
	return Bitmap(*temporary_bitmap, 0, 0, w, h);
	}

	void Bitmap::cleanupTemporaryBitmaps(){
	if (temporary_bitmap != NULL){
	delete temporary_bitmap;
	temporary_bitmap = NULL;
	}
	}