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	diff --git a/util/allegro5/bitmap.cpp b/util/allegro5/bitmap.cpp
	index b07d8453..a760003f 100644
	--- a/util/allegro5/bitmap.cpp
	+++ b/util/allegro5/bitmap.cpp
	@@ -1,787 +1,789 @@
	#include <sstream>
	#include <allegro5/allegro_memfile.h>
	#include <allegro5/allegro_primitives.h>
	#include "util/debug.h"

	namespace Graphics{

	static const int rgb_r_shift_16 = 0;
	static const int rgb_g_shift_16 = 5;
	static const int rgb_b_shift_16 = 11;

	static inline int pack565(unsigned char red, unsigned char green, unsigned char blue){
	return (((red >> 3) << rgb_r_shift_16) \|
	((green >> 2) << rgb_g_shift_16) \|
	((blue >> 3) << rgb_b_shift_16));
	}

	/* from allegro4 */
	static inline void unpack565(int color, unsigned char * red, unsigned char * green, unsigned char * blue){
	static int _rgb_scale_5[32] = {
	0, 8, 16, 24, 33, 41, 49, 57,
	66, 74, 82, 90, 99, 107, 115, 123,
	132, 140, 148, 156, 165, 173, 181, 189,
	198, 206, 214, 222, 231, 239, 247, 255
	};

	static int _rgb_scale_6[64] = {
	0, 4, 8, 12, 16, 20, 24, 28,
	32, 36, 40, 44, 48, 52, 56, 60,
	65, 69, 73, 77, 81, 85, 89, 93,
	97, 101, 105, 109, 113, 117, 121, 125,
	130, 134, 138, 142, 146, 150, 154, 158,
	162, 166, 170, 174, 178, 182, 186, 190,
	195, 199, 203, 207, 211, 215, 219, 223,
	227, 231, 235, 239, 243, 247, 251, 255
	};

	*red = _rgb_scale_5[(color >> rgb_r_shift_16) & 0x1F];
	*green = _rgb_scale_6[(color >> rgb_g_shift_16) & 0x3F];
	*blue = _rgb_scale_5[(color >> rgb_b_shift_16) & 0x1F];
	}

	struct BlendingData{
	BlendingData():
	red(0), green(0), blue(0), alpha(0){
	}

	int red, green, blue, alpha;
	};

	static BlendingData globalBlend;

	Color makeColorAlpha(unsigned char red, unsigned char green, unsigned char blue, unsigned char alpha){
	return al_map_rgba(red, blue, green, alpha);
	}

	Color MaskColor(){
	static Color mask = makeColorAlpha(0, 0, 0, 0);
	return mask;
	}

	Color getBlendColor(){
	return makeColorAlpha(255, 255, 255, globalBlend.alpha);
	}

	class Blender{
	public:
	Blender(){
	}

	virtual ~Blender(){
	/* default is to draw the source and ignore the destination */
	al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
	}
	};

	class MaskedBlender: public Blender {
	public:
	MaskedBlender(){
	al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
	}
	};

	class TransBlender: public Blender {
	public:
	TransBlender(){
	// al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_ONE);
	al_set_blender(ALLEGRO_ADD, ALLEGRO_ALPHA, ALLEGRO_INVERSE_ALPHA);
	}
	};

	static const int WINDOWED = 0;
	static const int FULLSCREEN = 1;

	static Bitmap * Scaler = NULL;

	Bitmap::Bitmap():
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	/* TODO */
	}

	Bitmap::Bitmap( const char * load_file ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	internalLoadFile(load_file);
	}

	Bitmap::Bitmap( const std::string & load_file ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	internalLoadFile(load_file.c_str());
	}

	Bitmap::Bitmap(ALLEGRO_BITMAP * who, bool deep_copy):
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	if (deep_copy){
	ALLEGRO_BITMAP * clone = al_clone_bitmap(who);
	getData().setBitmap(clone);
	own = new int;
	*own = 1;
	} else {
	getData().setBitmap(who);
	}
	}

	Bitmap::Bitmap(int width, int height):
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	ALLEGRO_BITMAP * bitmap = al_create_bitmap(width, height);
	if (bitmap == NULL){
	std::ostringstream out;
	out << "Could not create bitmap with dimensions " << width << ", " << height;
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	getData().setBitmap(bitmap);
	own = new int;
	*own = 1;
	}

	Bitmap::Bitmap( const Bitmap & copy, bool deep_copy):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	if (deep_copy){
	ALLEGRO_BITMAP * clone = al_clone_bitmap(copy.getData().getBitmap());
	getData().setBitmap(clone);
	own = new int;
	*own = 1;
	} else {
	getData().setBitmap(copy.getData().getBitmap());
	own = copy.own;
	if (own){
	*own += 1;
	}
	}
	}

	enum Format{
	PNG,
	GIF,
	};

	Bitmap Bitmap::memoryPCX(unsigned char * const data, const int length, const bool mask){
	/* TODO */
	return Bitmap();
	}

	void Bitmap::replaceColor(Color original, Color replaced){
	/* TODO */
	}

	static ALLEGRO_BITMAP * memoryGIF(const char * data, int length){
	ALLEGRO_FILE * memory = al_open_memfile((void *) data, length, "r");
	al_fclose(memory);

	/* FIXME: get gif addon for a5 */

	#if 0
	RGB * palette = NULL;
	/* algif will close the packfile for us in both error and success cases */
	BITMAP * gif = load_gif_packfile(pack, palette);
	if (!gif){
	al_fclose(memory);
	// pack_fclose(pack);
	ostringstream out;
	out <<"Could not load gif from memory: " << (void*) data << " length " << length;
	throw LoadException(__FILE__, __LINE__, out.str());
	}

	BITMAP * out = create_bitmap(gif->w, gif->h);
	blit(gif, out, 0, 0, 0, 0, gif->w, gif->h);
	destroy_bitmap(gif);
	// pack_fclose(pack);
	#endif

	ALLEGRO_BITMAP * out = NULL;

	return out;
	}

	void Bitmap::internalLoadFile(const char * path){
	this->path = path;
	ALLEGRO_BITMAP * loaded = al_load_bitmap(path);
	if (loaded == NULL){
	std::ostringstream out;
	out << "Could not load file '" << path << "'";
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	getData().setBitmap(loaded);
	/*
	ALLEGRO_BITMAP * loaded = IMG_Load(path);
	if (loaded){
	getData().setSurface(optimizedSurface(loaded));
	SDL_FreeSurface(loaded);
	} else {
	std::ostringstream out;
	out << "Could not load file '" << path << "'";
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	*/
	own = new int;
	*own = 1;
	}

	static ALLEGRO_BITMAP * load_bitmap_from_memory(const char * data, int length, Format type){
	switch (type){
	case PNG : {
	break;
	}
	case GIF : {
	return memoryGIF(data, length);
	break;
	}
	}
	throw Exception::Base(__FILE__, __LINE__);
	}

	Bitmap::Bitmap(const char * data, int length):
	own(NULL),
	mustResize(false),
	bit8MaskColor(makeColor(0, 0, 0)){
	Format type = GIF;
	getData().setBitmap(load_bitmap_from_memory(data, length, type));
	if (getData().getBitmap() == NULL){
	std::ostringstream out;
	out << "Could not create bitmap from memory";
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	own = new int;
	*own = 1;
	}

	Bitmap::Bitmap( const Bitmap & copy, int x, int y, int width, int height ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	path = copy.getPath();
	ALLEGRO_BITMAP * his = copy.getData().getBitmap();
	if (x < 0)
	x = 0;
	if (y < 0)
	y = 0;
	if (width + x > al_get_bitmap_width(his)){
	width = al_get_bitmap_width(his) - x;
	}
	if (height + y > al_get_bitmap_height(his)){
	height = al_get_bitmap_height(his) - y;
	}

	ALLEGRO_BITMAP * sub = al_create_sub_bitmap(his, x, y, width, height);
	getData().setBitmap(sub);

	own = new int;
	*own = 1;
	}

	int Bitmap::getWidth() const {
	if (getData().getBitmap() != NULL){
	return al_get_bitmap_width(getData().getBitmap());
	}

	return 0;
	}

	int getRed(Color color){
	unsigned char red, green, blue;
	al_unmap_rgb(color, &red, &green, &blue);
	return red;
	}

	int getGreen(Color color){
	unsigned char red, green, blue;
	al_unmap_rgb(color, &red, &green, &blue);
	return green;
	}

	int getBlue(Color color){
	unsigned char red, green, blue;
	al_unmap_rgb(color, &red, &green, &blue);
	return blue;
	}

	Color makeColor(int red, int blue, int green){
	return al_map_rgb(red, blue, green);
	}

	int Bitmap::getHeight() const {
	if (getData().getBitmap() != NULL){
	return al_get_bitmap_height(getData().getBitmap());
	}

	return 0;
	}

	void initializeExtraStuff(){
	// al_set_new_bitmap_format(ALLEGRO_PIXEL_FORMAT_RGB_565);
	}

	int setGraphicsMode(int mode, int width, int height){
	initializeExtraStuff();
	switch (mode){
	case FULLSCREEN: {
	al_set_new_display_flags(ALLEGRO_FULLSCREEN);
	break;
	}
	case WINDOWED: {
	al_set_new_display_flags(ALLEGRO_WINDOWED \| ALLEGRO_RESIZABLE);
	break;
	}
	default: break;
	}
	ALLEGRO_DISPLAY * display = al_create_display(width, height);
	if (display == NULL){
	std::ostringstream out;
	out << "Could not create display with dimensions " << width << ", " << height;
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	Screen = new Bitmap(al_get_backbuffer(display));
	Scaler = new Bitmap(width, height);
	/* default drawing mode */
	al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
	return 0;
	}

	Color Bitmap::getPixel(const int x, const int y) const {
	return al_get_pixel(getData().getBitmap(), x, y);
	// Color color = al_get_pixel(getData().getBitmap(), x, y);
	// return pack565(color.r, color.g, color.b);
	}

	void Bitmap::putPixel(int x, int y, Color pixel) const {
	al_set_target_bitmap(getData().getBitmap());
	al_put_pixel(x, y, pixel);
	}

	void Bitmap::putPixelNormal(int x, int y, Color col) const {
	putPixel(x, y, col);
	}

	void Bitmap::fill(Color color) const {
	/*
	unsigned char red, green, blue;
	unpack565(color, &red, &green, &blue);
	al_set_target_bitmap(getData().getBitmap());
	al_clear_to_color(al_map_rgb(red, green, blue));
	*/
	al_set_target_bitmap(getData().getBitmap());
	al_clear_to_color(color);
	}

	void Bitmap::transBlender(int r, int g, int b, int a){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	}

	void Bitmap::Stretch( const Bitmap & where, const int sourceX, const int sourceY, const int sourceWidth, const int sourceHeight, const int destX, const int destY, const int destWidth, const int destHeight ) const {
	/* TODO */
	}

	void Bitmap::StretchBy2( const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::StretchBy4( const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::drawRotate( const int x, const int y, const int angle, const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const double scale, const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::drawStretched( const int x, const int y, const int new_width, const int new_height, const Bitmap & who ) const {
	/* TODO */
	}

	void Bitmap::Blit(const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where) const {
	// double start = al_get_time();
	al_set_target_bitmap(where.getData().getBitmap());
	// al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
	/*
	if (&where != Screen){
	al_draw_bitmap(getData().getBitmap(), wx, wy, 0);
	}
	*/

	// al_set_blender(ALLEGRO_ADD, ALLEGRO_ONE, ALLEGRO_ZERO);
	al_draw_bitmap(getData().getBitmap(), wx, wy, 0);
	/*
	double end = al_get_time();
	Global::debug(0) << "Draw in " << (end - start) << " seconds" << std::endl;
	*/
	}

	void Bitmap::drawHFlip(const int x, const int y, const Bitmap & where) const {
	/* TODO */
	}

	void Bitmap::drawHFlip(const int x, const int y, Filter * filter, const Bitmap & where) const {
	/* TODO */
	}

	void Bitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::drawHVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::BlitMasked(const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where) const {
	/* TODO */
	}

	void Bitmap::BlitToScreen(const int upper_left_x, const int upper_left_y) const {
	#if 0
	if (getWidth() != Screen->getWidth() \|\| getHeight() != Screen->getHeight()){
	/*
	this->Blit( upper_left_x, upper_left_y, *Buffer );
	Buffer->Stretch(*Scaler);
	Scaler->Blit(0, 0, 0, 0, *Screen);
	*/

	this->Stretch(*Scaler, 0, 0, getWidth(), getHeight(), upper_left_x, upper_left_y, Scaler->getWidth(), Scaler->getHeight());
	Scaler->Blit(0, 0, 0, 0, *Screen);
	} else {
	this->Blit(upper_left_x, upper_left_y, *Screen);
	}
	#endif
	/*
	if (&where == Screen){
	al_flip_display();
	}
	*/
	al_flip_display();
	}

	void Bitmap::BlitAreaToScreen(const int upper_left_x, const int upper_left_y) const {
	/* TODO */
	}

	void Bitmap::draw(const int x, const int y, const Bitmap & where) const {
	// TransBlender blender;
	MaskedBlender blender;
	al_set_target_bitmap(where.getData().getBitmap());
	/* any source pixels with an alpha value of 0 will be masked */
	al_draw_bitmap(getData().getBitmap(), x, y, 0);
	}

	void Bitmap::draw(const int x, const int y, Filter * filter, const Bitmap & where) const {
	/* TODO */
	}

	void Bitmap::hLine( const int x1, const int y, const int x2, const Color color ) const {
	/* TODO */
	}

	void Bitmap::vLine( const int x1, const int y, const int x2, const Color color ) const {
	/* TODO */
	}

	+static const double S_PI = 3.14159265358979323846;
	void Bitmap::arc(const int x, const int y, const double ang1, const double ang2, const int radius, const Color color ) const {
	- /* TODO */
	+ al_set_target_bitmap(getData().getBitmap());
	+ al_draw_arc(x, y, radius, ang1 + S_PI/2, ang2 - ang1, color, 0);
	}

	void Bitmap::floodfill( const int x, const int y, const Color color ) const {
	/* TODO */
	}

	void Bitmap::line( const int x1, const int y1, const int x2, const int y2, const Color color ) const {
	/* TODO */
	}

	void Bitmap::circleFill(int x, int y, int radius, Color color) const {
	al_set_target_bitmap(getData().getBitmap());
	al_draw_filled_circle(x, y, radius, color);
	}

	void Bitmap::circle(int x, int y, int radius, Color color) const {
	al_set_target_bitmap(getData().getBitmap());
	al_draw_circle(x, y, radius, color, 0);
	}

	void Bitmap::rectangle( int x1, int y1, int x2, int y2, Color color ) const {
	al_set_target_bitmap(getData().getBitmap());
	al_draw_rectangle(x1, y1, x2, y2, color, 0);
	}

	void Bitmap::rectangleFill( int x1, int y1, int x2, int y2, Color color ) const {
	/*
	unsigned char red, green, blue;
	unpack565(color, &red, &green, &blue);
	*/
	al_set_target_bitmap(getData().getBitmap());
	al_draw_filled_rectangle(x1, y1, x2, y2, color);
	}

	void Bitmap::triangle( int x1, int y1, int x2, int y2, int x3, int y3, Color color ) const {
	/* TODO */
	}

	void Bitmap::polygon( const int * verts, const int nverts, const Color color ) const {
	/* TODO */
	}

	void Bitmap::ellipse( int x, int y, int rx, int ry, Color color ) const {
	/* TODO */
	}

	void Bitmap::ellipseFill( int x, int y, int rx, int ry, Color color ) const {
	/* TODO */
	}

	void Bitmap::applyTrans(const Color color) const {
	/* TODO */
	}

	void Bitmap::light(int x, int y, int width, int height, int start_y, int focus_alpha, int edge_alpha, int focus_color, Color edge_color) const {
	/* TODO */
	}

	void Bitmap::drawCharacter( const int x, const int y, const int color, const int background, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::save( const std::string & str ) const {
	/* TODO */
	}

	void Bitmap::readLine(std::vector<Color> & line, int y){
	/* TODO */
	}

	void TranslucentBitmap::draw(const int x, const int y, const Bitmap & where) const {
	TransBlender blender;
	al_set_target_bitmap(where.getData().getBitmap());
	al_draw_tinted_bitmap(getData().getBitmap(), getBlendColor(), x, y, 0);
	}

	void LitBitmap::draw( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::draw( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawHFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void LitBitmap::drawHVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::draw( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawHFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::drawHVFlip( const int x, const int y, Filter * filter,const Bitmap & where ) const {
	/* TODO */
	}

	void TranslucentBitmap::hLine( const int x1, const int y, const int x2, const Color color ) const {
	/* TODO */
	}

	void TranslucentBitmap::circleFill(int x, int y, int radius, Color color) const {
	/* TODO */
	}

	Color doTransBlend(const Color & color, int alpha){
	float red, green, blue;
	float alpha_f = alpha / 255.0;
	al_unmap_rgb_f(color, &red, &green, &blue);
	red *= alpha_f;
	green *= alpha_f;
	blue *= alpha_f;
	return al_map_rgb_f(red, green, blue);
	}

	void TranslucentBitmap::putPixelNormal(int x, int y, Color color) const {
	TransBlender blender;
	al_set_target_bitmap(getData().getBitmap());
	al_put_pixel(x, y, doTransBlend(color, globalBlend.alpha));
	}

	void TranslucentBitmap::rectangle( int x1, int y1, int x2, int y2, Color color ) const {
	/* TODO */
	}

	void TranslucentBitmap::rectangleFill(int x1, int y1, int x2, int y2, Color color) const {
	/* TODO */
	}

	void TranslucentBitmap::ellipse( int x, int y, int rx, int ry, Color color ) const {
	/* TODO */
	}


	Bitmap & Bitmap::operator=(const Bitmap & copy){
	releaseInternalBitmap();
	path = copy.getPath();
	getData().setBitmap(copy.getData().getBitmap());
	// own = false;
	own = copy.own;
	if (own)
	*own += 1;
	return *this;
	}

	void Bitmap::setClipRect( int x1, int y1, int x2, int y2 ) const {
	/* TODO */
	}

	void Bitmap::getClipRect(int & x1, int & y1, int & x2, int & y2) const {
	/* TODO */
	}

	void Bitmap::destroyPrivateData(){
	al_destroy_bitmap(getData().getBitmap());
	al_set_target_bitmap(Screen->getData().getBitmap());
	}

	int setGfxModeFullscreen(int x, int y){
	return setGraphicsMode(FULLSCREEN, x, y);
	}

	int setGfxModeWindowed( int x, int y ){
	return setGraphicsMode(WINDOWED, x, y);
	}

	int setGfxModeText(){
	/* TODO */
	return 0;
	}

	bool Bitmap::getError(){
	/* TODO */
	return false;
	}

	void Bitmap::addBlender( int r, int g, int b, int a ){
	/* TODO */
	}

	void Bitmap::differenceBlender( int r, int g, int b, int a ){
	/* TODO */
	}

	void Bitmap::multiplyBlender( int r, int g, int b, int a ){
	/* TODO */
	}

	void Bitmap::drawingMode(int type){
	/* TODO */
	}

	void Bitmap::shutdown(){
	delete Screen;
	Screen = NULL;
	/*
	delete Scaler;
	Scaler = NULL;
	delete Buffer;
	Buffer = NULL;
	*/
	}

	Bitmap getScreenBuffer(){
	return *Screen;
	}

	}

	static bool sameColor(Graphics::Color color1, Graphics::Color color2){
	unsigned char r1, g1, b1, a1;
	unsigned char r2, g2, b2, a2;
	al_unmap_rgba(color1, &r1, &g1, &b1, &a1);
	al_unmap_rgba(color2, &r2, &g2, &b2, &a2);
	return r1 == r2 &&
	g1 == g2 &&
	b1 == b2 &&
	a1 == a2;
	}

	static uint32_t quantify(const ALLEGRO_COLOR & color){
	unsigned char red, green, blue, alpha;
	al_unmap_rgba(color, &red, &green, &blue, &alpha);
	return (red << 24) \|
	(green << 16) \|
	(blue << 8) \|
	alpha;
	}

	bool operator<(const ALLEGRO_COLOR color1, const ALLEGRO_COLOR color2){
	return quantify(color1) < quantify(color2);
	}

	bool operator!=(const ALLEGRO_COLOR color1, const ALLEGRO_COLOR color2){
	return !(color1 == color2);
	}

	bool operator==(const ALLEGRO_COLOR color1, const ALLEGRO_COLOR color2){
	return sameColor(color1, color2);
	}

	diff --git a/util/events.cpp b/util/events.cpp
	index 96c44177..7a7effbd 100644
	--- a/util/events.cpp
	+++ b/util/events.cpp
	@@ -1,414 +1,415 @@
	#ifdef USE_SDL
	#include <SDL.h>
	#endif
	#ifdef USE_ALLEGRO5
	#include <allegro5/allegro.h>
	#endif
	#include <vector>
	#include "bitmap.h"
	#include "events.h"
	#include "exceptions/shutdown_exception.h"
	#include "configuration.h"
	#include "debug.h"
	#include "funcs.h"
	#include "thread.h"
	#include "init.h"
	#include "parameter.h"
	#include "input/keyboard.h"
	#include "input/joystick.h"
	#include "input/input-manager.h"

	template <class Value> std::vector<Value> Util::Parameter<Value>::stack;

	namespace Util{

	EventManager::EventManager():
	bufferKeys(false){
	#ifdef USE_ALLEGRO5
	queue = al_create_event_queue();
	al_register_event_source(queue, al_get_keyboard_event_source());
	#endif
	}

	#ifdef USE_SDL
	static void handleKeyDown(Keyboard & keyboard, const SDL_Event & event){
	keyboard.press(event.key.keysym.sym, event.key.keysym.unicode);
	}

	static void handleKeyUp(Keyboard & keyboard, const SDL_Event & event){
	keyboard.release(event.key.keysym.sym);
	}

	static void handleJoystickButtonUp(Joystick * joystick, const SDL_Event & event){
	int device = event.jbutton.which;
	int button = event.jbutton.button;
	if (device == joystick->getDeviceId()){
	joystick->releaseButton(button);
	}
	}

	static void handleJoystickHat(Joystick * joystick, const SDL_Event & event){
	int device = event.jhat.which;
	int motion = event.jhat.value;
	/* should up/down control left/right -- flip these values? */
	#if WII
	const int axis_up_down = 0;
	const int axis_left_right = 1;
	const int up = 1;
	const int down = -1;
	const int left = -1;
	const int right = 1;
	#else
	const int axis_up_down = 1;
	const int axis_left_right = 0;
	const int up = -1;
	const int down = 1;
	const int left = -1;
	const int right = 1;
	#endif

	switch (motion){
	case SDL_HAT_CENTERED: break;
	case SDL_HAT_UP: joystick->axisMotion(axis_up_down, up); break;
	case SDL_HAT_DOWN: joystick->axisMotion(axis_up_down, down); break;
	case SDL_HAT_RIGHT: joystick->axisMotion(axis_left_right, right); break;
	case SDL_HAT_LEFT: joystick->axisMotion(axis_left_right, left); break;
	default: break;
	}
	}

	static void handleJoystickButtonDown(Joystick * joystick, const SDL_Event & event){
	int device = event.jbutton.which;
	int button = event.jbutton.button;
	if (device == joystick->getDeviceId()){
	joystick->pressButton(button);
	}
	}

	static void handleJoystickAxis(Joystick * joystick, const SDL_Event & event){
	int device = event.jaxis.which;
	int axis = event.jaxis.axis;
	int value = event.jaxis.value;
	if (device == joystick->getDeviceId()){
	joystick->axisMotion(axis, value);
	}
	}

	void EventManager::runSDL(Keyboard & keyboard, Joystick * joystick){
	keyboard.poll();
	if (joystick){
	joystick->poll();
	}
	SDL_Event event;
	while (SDL_PollEvent(&event) == 1){
	switch (event.type){
	case SDL_QUIT : {
	dispatch(CloseWindow);
	break;
	}
	case SDL_KEYDOWN : {
	handleKeyDown(keyboard, event);
	// dispatch(Key, event.key.keysym.sym);
	break;
	}
	case SDL_KEYUP : {
	handleKeyUp(keyboard, event);
	break;
	}
	case SDL_JOYBUTTONDOWN: {
	if (joystick != NULL){
	handleJoystickButtonDown(joystick, event);
	}
	break;
	}
	case SDL_JOYHATMOTION : {
	if (joystick != NULL){
	handleJoystickHat(joystick, event);
	}
	break;
	}
	case SDL_JOYBUTTONUP: {
	if (joystick != NULL){
	handleJoystickButtonUp(joystick, event);
	}
	break;
	}
	case SDL_JOYAXISMOTION: {
	if (joystick != NULL){
	handleJoystickAxis(joystick, event);
	}
	break;
	}
	case SDL_VIDEORESIZE : {
	int width = event.resize.w;
	int height = event.resize.h;
	/* to keep the perspective correct
	* 640/480 = 1.33333
	*/
	if (width > height){
	height = (int)((double) width / 1.3333333333);
	} else {
	width = (int)((double) height * 1.3333333333);
	}
	dispatch(ResizeScreen, width, height);
	break;
	}
	default : {
	break;
	}
	}
	}
	}
	#endif

	#ifdef USE_ALLEGRO
	void EventManager::runAllegro(Keyboard & keyboard, Joystick * joystick){
	keyboard.poll();
	}
	#endif

	#ifdef USE_ALLEGRO5
	static void handleKeyDown(Keyboard & keyboard, const ALLEGRO_EVENT & event){
	keyboard.press(event.keyboard.keycode, event.keyboard.unichar);
	}

	static void handleKeyUp(Keyboard & keyboard, const ALLEGRO_EVENT & event){
	keyboard.release(event.keyboard.keycode);
	}

	void EventManager::runAllegro5(Keyboard & keyboard, Joystick * joystick){
	keyboard.poll();

	ALLEGRO_EVENT event;
	while (al_get_next_event(queue, &event)){
	switch (event.type){
	/*
	case ALLEGRO_EVENT_KEY_DOWN: {
	Global::debug(0) << "Key down " << event.keyboard.keycode << std::endl;
	handleKeyDown(keyboard, event);
	break;
	}
	*/
	case ALLEGRO_EVENT_KEY_UP: {
	handleKeyUp(keyboard, event);
	break;
	}
	case ALLEGRO_EVENT_KEY_CHAR : {
	// Global::debug(0) << "Key char " << event.keyboard.keycode << " unicode " << event.keyboard.unichar << std::endl;
	handleKeyDown(keyboard, event);
	break;
	}
	}
	}

	/*
	if (joystick){
	joystick->poll();
	}
	SDL_Event event;
	while (SDL_PollEvent(&event) == 1){
	switch (event.type){
	case SDL_QUIT : {
	dispatch(CloseWindow);
	break;
	}
	case SDL_KEYDOWN : {
	handleKeyDown(keyboard, event);
	// dispatch(Key, event.key.keysym.sym);
	break;
	}
	case SDL_KEYUP : {
	handleKeyUp(keyboard, event);
	break;
	}
	case SDL_JOYBUTTONDOWN: {
	if (joystick != NULL){
	handleJoystickButtonDown(joystick, event);
	}
	break;
	}
	case SDL_JOYHATMOTION : {
	if (joystick != NULL){
	handleJoystickHat(joystick, event);
	}
	break;
	}
	case SDL_JOYBUTTONUP: {
	if (joystick != NULL){
	handleJoystickButtonUp(joystick, event);
	}
	break;
	}
	case SDL_JOYAXISMOTION: {
	if (joystick != NULL){
	handleJoystickAxis(joystick, event);
	}
	break;
	}
	case SDL_VIDEORESIZE : {
	int width = event.resize.w;
	int height = event.resize.h;
	/ * to keep the perspective correct
	* 640/480 = 1.33333
	* /
	if (width > height){
	height = (int)((double) width / 1.3333333333);
	} else {
	width = (int)((double) height * 1.3333333333);
	}
	dispatch(ResizeScreen, width, height);
	break;
	}
	default : {
	break;
	}
	}
	}
	*/
	}
	#endif

	void EventManager::run(Keyboard & keyboard, Joystick * joystick){
	#ifdef USE_SDL
	runSDL(keyboard, joystick);
	#elif USE_ALLEGRO
	runAllegro(keyboard, joystick);
	#elif USE_ALLEGRO5
	runAllegro5(keyboard, joystick);
	#endif
	}

	/* kill the program if the user requests */
	void EventManager::waitForThread(WaitThread & thread){
	// Keyboard dummy;
	while (!thread.isRunning()){
	try{
	/* input manager will run the event manager */
	InputManager::poll();
	// run(dummy);
	} catch (const ShutdownException & death){
	thread.kill();
	throw death;
	}
	Util::rest(10);
	}
	}

	EventManager::~EventManager(){
	#ifdef USE_ALLEGRO5
	al_destroy_event_queue(queue);
	#endif
	}

	void EventManager::enableKeyBuffer(){
	bufferKeys = true;
	}

	void EventManager::disableKeyBuffer(){
	bufferKeys = false;
	}

	void EventManager::dispatch(Event type, int arg1){
	switch (type){
	case Key : {
	if (bufferKeys){
	keys.push_back(KeyType(arg1));
	}
	break;
	}
	default : {
	break;
	}
	}
	}

	void EventManager::dispatch(Event type, int arg1, int arg2){
	switch (type){
	case ResizeScreen : {
	Global::debug(1) << "Resizing screen to " << arg1 << ", " << arg2 << std::endl;
	if (Graphics::setGraphicsMode(0, arg1, arg2) == 0){
	Configuration::setScreenWidth(arg1);
	Configuration::setScreenHeight(arg2);
	}
	break;
	}
	default : break;
	}
	}

	void EventManager::dispatch(Event type){
	switch (type){
	case CloseWindow : {
	throw ShutdownException();
	}
	default : break;
	}
	}

	class LoopDone: public std::exception {
	public:
	LoopDone(){
	}

	~LoopDone() throw () {
	}
	};

	Logic::~Logic(){
	}

	Draw::~Draw(){
	}

	static void doStandardLoop(Logic & logic, Draw & draw){
	Global::speed_counter4 = 0;
	double runCounter = 0;
	try{
	while (!logic.done()){
	if (Global::speed_counter4 > 0){
	+ // Global::debug(0) << "Speed counter " << Global::speed_counter4 << std::endl;
	runCounter += logic.ticks(Global::speed_counter4);
	Global::speed_counter4 = 0;
	bool need_draw = false;
	while (runCounter >= 1.0){
	need_draw = true;
	InputManager::poll();
	runCounter -= 1;
	logic.run();

	if (Global::shutdown()){
	throw ShutdownException();
	}

	if (logic.done()){
	/* quit the loop immediately */
	throw LoopDone();
	}
	}

	if (need_draw){
	draw.draw();
	}
	}

	while (Global::speed_counter4 == 0){
	rest(1);
	}
	}
	} catch (const LoopDone & done){
	}
	}

	void standardLoop(Logic & logic, Draw & draw){
	/* if a screen already exists (because we have nested standardLoops) then
	* leave this parameter alone, otherwise set a new parameter.
	*/
	if (Parameter<Graphics::Bitmap*>::current() == NULL){
	Graphics::Bitmap screen(Graphics::getScreenBuffer());
	Parameter<Graphics::Bitmap*> use(&screen);
	doStandardLoop(logic, draw);
	} else {
	doStandardLoop(logic, draw);
	}
	}

	}
	diff --git a/util/gui/widget.cpp b/util/gui/widget.cpp
	index cacbacae..38a0ebc0 100644
	--- a/util/gui/widget.cpp
	+++ b/util/gui/widget.cpp
	@@ -1,275 +1,296 @@
	#include "util/bitmap.h"
	#include "widget.h"
	#include <math.h>
	#include "globals.h"
	#include "util/token.h"
	#include "coordinate.h"
	#include "util/load_exception.h"
	#include <sstream>

	using namespace Gui;

	static const double S_PI = 3.14159265358979323846;
	static const double DEG_TO_RAD = 180.0/S_PI;
	static const double RAD_TO_DEG = S_PI/180.0;

	static void round_double (double dbl_to_round , int &rounded_num) {
	rounded_num = static_cast<int>(dbl_to_round);
	if ((dbl_to_round - static_cast<double>(rounded_num)) >= 0.5) {rounded_num++;}
	}

	//! min (borrowed from allegro)
	static inline int Min(int x, int y){ return (((x) < (y)) ? (x) : (y)); }

	//! max (borrowed from allegro)
	static inline int Max(int x, int y){ return (((x) > (y)) ? (x) : (y)); }

	//! mid (borrowed from allegro)
	static inline int Mid(int x,int y,int z){ return (Max((x), Min((y), (z)))); }

	ColorInfo::ColorInfo():
	body(Graphics::makeColor(0, 0, 0)),
	/* alpha 0 is invisible, 255 is opaque. set something in the middle as default */
	bodyAlpha(128),
	border(Graphics::makeColor(0, 0, 0)),
	borderAlpha(128){
	}

	Transformations::Transformations():
	radius(0){
	}

	Transformations::Transformations(const Transformations & transforms):
	radius(transforms.radius){
	}

	Transformations::~Transformations(){
	}

	Transformations & Transformations::operator=(const Transformations & transforms){
	this->radius = transforms.radius;
	return *this;
	}

	Widget::Widget():
	workArea(NULL){
	// Nothing yet
	}

	Widget::Widget( const Widget & w ){
	this->location = w.location;
	this->transforms = w.transforms;
	this->workArea = w.workArea;
	}

	Widget::~Widget(){
	if (workArea){
	delete workArea;
	}
	}

	// copy
	Widget &Widget::operator=( const Widget &copy){
	this->location = copy.location;
	this->transforms = copy.transforms;
	this->workArea = copy.workArea;

	return *this;
	}

	void Widget::setCoordinates(const Token * token){
	if ( *token == "position" ){
	int x, y, width, height;
	token->view() >> x >> y >> width >> height;
	AbsolutePoint pos(x, y);
	AbsolutePoint dimensions(x + width, y + height);
	location.setPosition(pos);
	location.setPosition2(dimensions);
	} else if ( *token == "relative-position" ){
	double x1, y1, x2, y2;
	token->view() >> x1 >> y1 >> x2 >> y2;
	RelativePoint pos(x1,y1);
	RelativePoint dimensions(x2,y2);
	location = Coordinate(pos, dimensions);
	} else if ( *token == "coordinate" ){
	TokenView view = token->view();
	while (view.hasMore()){
	const Token * coordToken;
	view >> coordToken;
	if (*coordToken == "absolute"){
	int x, y, width, height;
	coordToken->view() >> x >> y >> width >> height;
	AbsolutePoint pos(x, y);
	AbsolutePoint dimensions(x + width, y + height);
	location = Coordinate(pos, dimensions);
	} else if (*coordToken == "relative"){
	double x1, y1, x2, y2;
	coordToken->view() >> x1 >> y1 >> x2 >> y2;
	RelativePoint pos(x1,y1);
	RelativePoint dimensions(x2,y2);
	location = Coordinate(pos, dimensions);
	} else if (*coordToken == "radius"){
	double radius = 0;
	coordToken->view() >> radius;
	transforms.setRadius(radius);
	} else if (*coordToken == "z"){
	double z;
	coordToken->view() >> z;
	location.setZ(z);
	}
	}
	}

	if (location.getWidth() < 0 \|\| location.getHeight() < 0){
	std::ostringstream out;
	out << "Invalid location dimension (cannot have a negative size). Width " << location.getWidth() << " Height " << location.getHeight() << ". From token: ";
	token->toString(out, "");
	throw LoadException(__FILE__, __LINE__, out.str());
	}
	}

	void Widget::setColors(const Token * token){
	if ( *token == "position-body" ) {
	// This handles the body color of the widget
	int r,g,b;
	token->view() >> r >> g >> b >> colors.bodyAlpha;
	colors.body = Graphics::makeColor(r,g,b);
	} else if ( *token == "position-border" ) {
	// This handles the border color of the widget
	int r,g,b;
	token->view() >> r >> g >> b >> colors.borderAlpha;
	colors.border = Graphics::makeColor(r,g,b);
	}
	}

	void Widget::render(const Graphics::Bitmap & bitmap, const Font & font){
	render(bitmap);
	}

	+/* draws a quarter arc */
	void Widget::arc(const Graphics::Bitmap & work, int x, int y, double startAngle, int radius, Graphics::Color color){
	+
	+ work.arc(x, y, startAngle, startAngle + S_PI / 2, radius, color);
	+
	+#if 0
	int q = 0;// for counters
	double d_q = 0.0;// for percentage of loop completed
	double d_q_plus_one = 0.0;

	const double d_angular_length_deg = 0.030;
	const double d_start_angle_rad = startAngle*DEG_TO_RAD;
	const double d_angular_length_rad = d_angular_length_deg*DEG_TO_RAD;
	const double d_arc_distance_between_points = 0.25*pow(2.0 , static_cast<double>(10) / 10.0);
	double d_angular_length_rad_per_segment = 0.0;

	double arc_length = radius*d_angular_length_rad;
	if (arc_length < 0.0) {arc_length *= -1.0;}
	const double d_num_segments = arc_length / d_arc_distance_between_points;

	int num_segments = 0;
	round_double(d_num_segments , num_segments);

	if (num_segments == 0) {num_segments += 1;} // need at least one segment (two points)
	const int num_points = num_segments + 1;
	const double d_num_points_minus_one = static_cast<double>(num_points - 1);

	int arc_point_x;//[num_points];
	int arc_point_y;//[num_points];
	int arc_point2_x;//[num_points];
	int arc_point2_y;//[num_points];
	double d_arc_point_x = 0.0;
	double d_arc_point_y = 0.0;
	double d_arc_point2_x = 0.0;
	double d_arc_point2_y = 0.0;

	double current_angle_rad = 0.0;
	double current_angle2_rad = 0.0;

	if (d_arc_distance_between_points <= 1.0) {
	for (q = 0 ; q < num_points ; q++) {
	d_q = static_cast<double>(q);
	current_angle_rad = d_start_angle_rad + (d_q / d_num_points_minus_one)*d_angular_length_rad;
	d_arc_point_x = x + radius*cos(current_angle_rad);
	d_arc_point_y = y + radius*sin(current_angle_rad);

	round_double(d_arc_point_x , arc_point_x);
	round_double(d_arc_point_y , arc_point_y);

	work.putPixel(arc_point_x, arc_point_y, color);
	}
	}
	if (d_arc_distance_between_points > 1.0) {

	d_angular_length_rad_per_segment = d_angular_length_rad / d_num_points_minus_one;
	for (q = 0 ; q < num_segments ; q++) {
	d_q = static_cast<double>(q);
	d_q_plus_one = static_cast<double>(q + 1);

	current_angle_rad = d_start_angle_rad + d_q*d_angular_length_rad_per_segment;
	current_angle2_rad = d_start_angle_rad + d_q_plus_one*d_angular_length_rad_per_segment;

	d_arc_point_x = x + radius*cos(current_angle_rad);
	d_arc_point_y = y + radius*sin(current_angle_rad);

	round_double(d_arc_point_x , arc_point_x);
	round_double(d_arc_point_y , arc_point_y);

	d_arc_point2_x = x + radius*cos(current_angle2_rad);
	d_arc_point2_y = y + radius*sin(current_angle2_rad);

	round_double(d_arc_point2_x , arc_point2_x);
	round_double(d_arc_point2_y , arc_point2_y);

	work.line(arc_point_x,arc_point_y, arc_point2_x, arc_point2_y,color);
	}
	}
	+#endif
	}

	void Widget::roundRect(const Graphics::Bitmap & work, int radius, int x1, int y1, int x2, int y2, Graphics::Color color){
	const int width = x2 - x1;
	const int height = y2 - y1;
	radius = Mid(0, radius, Min((x1+width - x1)/2, (y1+height - y1)/2));
	work.line(x1+radius, y1, x1+width-radius, y1, color);
	work.line(x1+radius, y1+height, x1+width-radius,y1+height, color);
	work.line(x1, y1+radius,x1, y1+height-radius, color);
	work.line(x1+width, y1+radius,x1+width, y1+height-radius, color);

	+ /* upper left. draw from 180 to 270 */
	+ arc(work, x1+radius, y1+radius, S_PI / 2, radius, color);
	+ /* upper right. draw from 90 to 0 */
	+ arc(work, x1+radius + (width - radius *2), y1+radius, S_PI, radius, color);
	+ /* lower right. draw from 0 to 270 */
	+ arc(work, x1+width-radius, y1+height-radius, 3 * S_PI / 2, radius ,color);
	+ /* lower left. draw from 180 to 270 */
	+ arc(work, x1+radius, y1+height-radius, 0, radius, color);
	+
	+
	+#if 0
	arc(work, x1+radius, y1+radius, S_PI-1.115, radius, color);
	+ /* upper right */
	arc(work, x1+radius + (width - radius *2), y1+radius, -S_PI/2 +0.116, radius, color);
	+ /* lower right */
	arc(work, x1+width-radius, y1+height-radius, -0.110, radius ,color);
	+ /* lower left */
	arc(work, x1+radius, y1+height-radius, S_PI/2-0.119, radius, color);
	+#endif
	}

	void Widget::roundRectFill(const Graphics::Bitmap & work, int radius, int x1, int y1, int x2, int y2, Graphics::Color color){
	const int width = x2 - x1;
	const int height = y2 - y1;
	radius = Mid(0, radius, Min((x1+width - x1)/2, (y1+height - y1)/2));
	work.circleFill(x1+radius, y1+radius, radius, color);
	work.circleFill((x1+width)-radius, y1+radius, radius, color);
	work.circleFill(x1+radius, (y1+height)-radius, radius, color);
	work.circleFill((x1+width)-radius, (y1+height)-radius, radius, color);
	work.rectangleFill( x1+radius, y1, x2-radius, y1+radius, color);
	work.rectangleFill( x1, y1+radius, x2, y2-radius, color);
	work.rectangleFill( x1+radius, y2-radius, x2-radius, y2, color);
	}

	static void foobar(int a, int b){
	a = a + b;
	}

	void Widget::checkWorkArea(){
	if (location.getWidth() <= 0 \|\| location.getHeight() <= 0){
	delete workArea;
	workArea = NULL;
	return;
	}

	if (! workArea){
	workArea = new Graphics::Bitmap(location.getWidth(), location.getHeight());
	} else if (location.getWidth() < workArea->getWidth() \|\| location.getHeight() < workArea->getHeight()){
	delete workArea;
	workArea = new Graphics::Bitmap(location.getWidth(), location.getHeight());
	} else if (location.getWidth() > workArea->getWidth() \|\| location.getHeight() > workArea->getHeight()){
	delete workArea;
	workArea = new Graphics::Bitmap(location.getWidth(), location.getHeight());
	}

	if (workArea){
	workArea->fill(Graphics::MaskColor());
	}
	}
	diff --git a/util/sdl/bitmap.cpp b/util/sdl/bitmap.cpp
	index 7b631d53..8eb0c83d 100644
	--- a/util/sdl/bitmap.cpp
	+++ b/util/sdl/bitmap.cpp
	@@ -1,1871 +1,1880 @@
	#include "../bitmap.h"
	#include "../lit_bitmap.h"
	#include "../trans-bitmap.h"
	#include "../funcs.h"
	#include "../../util/debug.h"
	#include "../system.h"
	#include "sprig/sprig.h"
	#include "stretch/SDL_stretch.h"
	#include <SDL.h>
	#include "image/SDL_image.h"
	#include <math.h>
	#include "exceptions/exception.h"
	#include <string>
	#include <sstream>

	namespace Graphics{

	static const int WINDOWED = 0;
	static const int FULLSCREEN = 1;
	/* bits per pixel */
	static int SCREEN_DEPTH = 16;
	static SDL_Surface * screen;

	static SDL_PixelFormat format565;

	typedef unsigned int (*blender)(unsigned int color1, unsigned int color2, unsigned int alpha);

	/* taken from allegro 4.2: src/colblend.c, _blender_trans16 */
	/* this function performs a psuedo-SIMD operation on the pixel
	* components in RGB 5-6-5 format. To get this to work for some
	* other format probably all that needs to happen is to change
	* the 0x7E0F81F constant to something else. 5-5-5:
	* binary: 0011 1110 000 0111 1100 0001 1111
	* hex: 0x174076037
	*/
	static inline unsigned int transBlender(unsigned int x, unsigned int y, unsigned int n){
	unsigned long result;

	if (n)
	n = (n + 1) / 8;

	/* hex: 0x7E0F81F
	* binary: 0111 1110 0000 1111 1000 0001 1111
	*/
	x = ((x & 0xFFFF) \| (x << 16)) & 0x7E0F81F;
	y = ((y & 0xFFFF) \| (y << 16)) & 0x7E0F81F;

	result = ((x - y) * n / 32 + y) & 0x7E0F81F;

	return ((result & 0xFFFF) \| (result >> 16));
	}

	static inline unsigned int multiplyBlender(unsigned int x, unsigned int y, unsigned int n){
	Uint8 redX = 0;
	Uint8 greenX = 0;
	Uint8 blueX = 0;
	SDL_GetRGB(x, &format565, &redX, &greenX, &blueX);
	Uint8 redY = 0;
	Uint8 greenY = 0;
	Uint8 blueY = 0;
	SDL_GetRGB(y, &format565, &redY, &greenY, &blueY);

	int r = redX * redY / 256;
	int g = greenX * greenY / 256;
	int b = blueX * blueY / 256;
	return transBlender(makeColor(r, g, b), y, n);
	}

	static inline unsigned int addBlender(unsigned int x, unsigned int y, unsigned int n){
	Uint8 redX = 0;
	Uint8 greenX = 0;
	Uint8 blueX = 0;
	SDL_GetRGB(x, &format565, &redX, &greenX, &blueX);
	Uint8 redY = 0;
	Uint8 greenY = 0;
	Uint8 blueY = 0;
	SDL_GetRGB(y, &format565, &redY, &greenY, &blueY);

	int r = redY + redX * n / 256;
	int g = greenY + greenX * n / 256;
	int b = blueY + blueX * n / 256;

	r = Util::min(r, 255);
	g = Util::min(g, 255);
	b = Util::min(b, 255);

	return makeColor(r, g, b);
	}

	static inline int iabs(int x){
	return x < 0 ? -x : x;
	}

	static inline unsigned int differenceBlender(unsigned int x, unsigned int y, unsigned int n){
	Uint8 redX = 0;
	Uint8 greenX = 0;
	Uint8 blueX = 0;
	SDL_GetRGB(x, &format565, &redX, &greenX, &blueX);
	Uint8 redY = 0;
	Uint8 greenY = 0;
	Uint8 blueY = 0;
	SDL_GetRGB(y, &format565, &redY, &greenY, &blueY);

	// int r = iabs(redY - redX);
	// int g = iabs(greenY - greenX);
	// int b = iabs(blueY - blueX);
	int r = redY - redX;
	int g = greenY - greenX;
	int b = blueY - blueX;
	if (r < 0){
	r = 0;
	}
	if (g < 0){
	g = 0;
	}
	if (b < 0){
	b = 0;
	}
	return transBlender(makeColor(r, g, b), y, n);
	}

	static inline unsigned int burnBlender(unsigned int x, unsigned int y, unsigned int n){
	Uint8 redX = 0;
	Uint8 greenX = 0;
	Uint8 blueX = 0;
	SDL_GetRGB(x, &format565, &redX, &greenX, &blueX);
	Uint8 redY = 0;
	Uint8 greenY = 0;
	Uint8 blueY = 0;
	SDL_GetRGB(y, &format565, &redY, &greenY, &blueY);

	int r = redX - redY;
	int g = greenX - greenY;
	int b = blueX - blueY;
	if (r < 0){
	r = 0;
	}
	if (g < 0){
	g = 0;
	}
	if (b < 0){
	g = 0;
	}
	return transBlender(makeColor(r, g, b), y, n);
	}

	static inline unsigned int noBlender(unsigned int a, unsigned int b, unsigned int c){
	return a;
	}

	struct BlendingData{
	BlendingData():
	red(0), green(0), blue(0), alpha(0), currentBlender(noBlender){}

	int red, green, blue, alpha;
	blender currentBlender;
	};

	static BlendingData globalBlend;
	static int drawingMode = Bitmap::MODE_SOLID;

	static int drawingAlpha(){
	if (drawingMode == Bitmap::MODE_SOLID){
	return 255;
	}
	if (drawingMode == Bitmap::MODE_TRANS){
	return globalBlend.alpha;
	}
	return 255;
	}

	static void paintown_applyTrans16(SDL_Surface * dst, const int color);
	static void paintown_replace16(SDL_Surface * dst, const int original, const int replace);
	static void paintown_draw_sprite_ex16(SDL_Surface * dst, SDL_Surface * src, int dx, int dy, int mode, int flip, Bitmap::Filter * filter);
	static void paintown_draw_sprite_filter_ex16(SDL_Surface * dst, SDL_Surface * src, int x, int y, Bitmap::Filter * filter);
	static void paintown_light16(SDL_Surface * dst, const int x, const int y, int width, int height, const int start_y, const int focus_alpha, const int edge_alpha, const int focus_color, const int edge_color);

	int MaskColor(){
	static int mask = makeColor(255, 0, 255);
	return mask;
	}

	static SDL_Surface * optimizedSurface(SDL_Surface * in){
	/* SDL_DisplayFormat will return 0 if a graphics context is not set,
	* like if a test is running instead of the real game.
	*/
	// SDL_Surface * out = SDL_DisplayFormat(in);
	SDL_Surface * out = SDL_ConvertSurface(in, &format565, SDL_SWSURFACE);
	if (out == NULL){
	// out = SDL_CreateRGBSurface(SDL_SWSURFACE, in->w, in->h, in->format->BitsPerPixel, 0, 0, 0, 0);
	out = SDL_CreateRGBSurface(SDL_SWSURFACE, in->w, in->h, SCREEN_DEPTH, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	if (out == NULL){
	std::ostringstream out;
	out << "Could not create RGB surface of size " << in->w << ", " << in->h << ". Memory usage: " << System::memoryUsage();
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	SDL_Rect source;
	SDL_Rect destination;
	source.w = in->w;
	source.h = in->h;
	source.x = 0;
	source.y = 0;

	destination.w = in->w;
	destination.h = in->h;
	destination.x = 0;
	destination.y = 0;

	SDL_BlitSurface(in, &source, out, &destination);
	}
	return out;
	}

	static Bitmap * Scaler = NULL;
	static Bitmap * Buffer = NULL;

	void BitmapData::setSurface(SDL_Surface * surface){
	this->surface = surface;
	clip_left = 0;
	clip_top = 0;
	if (surface){
	clip_right = surface->w;
	clip_bottom = surface->h;
	} else {
	clip_right = 0;
	clip_bottom = 0;
	}
	}

	Bitmap::Bitmap():
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	/* TODO */
	}

	Bitmap::Bitmap(const char * data, int length):
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	SDL_RWops * ops = SDL_RWFromConstMem(data, length);
	SDL_Surface * loaded = IMG_Load_RW(ops, 1);
	if (loaded){
	getData().setSurface(optimizedSurface(loaded));
	SDL_FreeSurface(loaded);
	} else {
	std::ostringstream out;
	out << "Could not load surface from memory " << (void*) data << " length " << length;
	throw BitmapException(__FILE__, __LINE__, out.str());
	}

	own = new int;
	*own = 1;
	}

	Bitmap::Bitmap(SDL_Surface * who, bool deep_copy):
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	if (deep_copy){
	SDL_Surface * surface = SDL_CreateRGBSurface(SDL_SWSURFACE, who->w, who->h, SCREEN_DEPTH, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	SDL_Rect source;
	SDL_Rect destination;
	source.w = surface->w;
	source.h = surface->h;
	source.x = 0;
	source.y = 0;

	destination.w = surface->w;
	destination.h = surface->h;
	destination.x = 0;
	destination.y = 0;

	SDL_BlitSurface(who, &source, surface, &destination);
	getData().setSurface(surface);
	own = new int;
	*own = 1;
	} else {
	getData().setSurface(who);
	}
	}

	Bitmap::Bitmap(int w, int h):
	mustResize(false),
	bit8MaskColor(0){
	SDL_Surface * surface = SDL_CreateRGBSurface(SDL_SWSURFACE, w, h, SCREEN_DEPTH, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	if (surface == NULL){
	std::ostringstream out;
	out << "Could not create surface with dimensions " << w << ", " << h;
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	getData().setSurface(surface);
	own = new int;
	*own = 1;
	}

	Bitmap::Bitmap( const char * load_file ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	internalLoadFile(load_file);
	}

	Bitmap::Bitmap( const std::string & load_file ):
	own(NULL),
	mustResize(false){
	internalLoadFile(load_file.c_str());
	}

	Bitmap::Bitmap( const char * load_file, int sx, int sy ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	Bitmap temp(load_file);
	SDL_Surface * surface = SDL_CreateRGBSurface(SDL_SWSURFACE, sx, sy, SCREEN_DEPTH, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	getData().setSurface(surface);
	own = new int;
	*own = 1;

	temp.Stretch(*this);
	}

	/* unused */
	Bitmap::Bitmap( const char * load_file, int sx, int sy, double accuracy ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(0){
	throw BitmapException(__FILE__, __LINE__, "Unimplemented constructor");
	}

	Bitmap::Bitmap( const Bitmap & copy, bool deep_copy):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	if (deep_copy){
	SDL_Surface * who = copy.getData().getSurface();
	SDL_Surface * surface = SDL_CreateRGBSurface(SDL_SWSURFACE, who->w, who->h, SCREEN_DEPTH, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	SDL_Rect source;
	SDL_Rect destination;
	source.w = surface->w;
	source.h = surface->h;
	source.x = 0;
	source.y = 0;

	destination.w = surface->w;
	destination.h = surface->h;
	destination.x = 0;
	destination.y = 0;

	SDL_BlitSurface(who, &source, surface, &destination);
	getData().setSurface(surface);
	own = new int;
	*own = 1;
	} else {
	getData().setSurface(copy.getData().getSurface());
	own = copy.own;
	if (own){
	*own += 1;
	}
	}
	}

	Bitmap::Bitmap( const Bitmap & copy, int sx, int sy ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	/* TODO */
	}

	Bitmap::Bitmap( const Bitmap & copy, int sx, int sy, double accuracy ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	/* TODO */
	}

	static inline Uint8* computeOffset(SDL_Surface * surface, int x, int y){
	int bpp = surface->format->BytesPerPixel;
	return ((Uint8)surface->pixels) + y surface->pitch + x * bpp;
	}

	Bitmap::Bitmap( const Bitmap & copy, int x, int y, int width, int height ):
	own(NULL),
	mustResize(false),
	bit8MaskColor(copy.bit8MaskColor){
	path = copy.getPath();
	SDL_Surface * his = copy.getData().getSurface();
	if (x < 0)
	x = 0;
	if (y < 0)
	y = 0;
	if (width + x > his->w )
	width = his->w - x;
	if (height + y > his->h)
	height = his->h - y;

	SDL_Surface * sub = SDL_CreateRGBSurfaceFrom(computeOffset(his, x, y), width, height, SCREEN_DEPTH, his->pitch, format565.Rmask, format565.Gmask, format565.Bmask, format565.Amask);
	getData().setSurface(sub);

	own = new int;
	*own = 1;
	}

	void Bitmap::internalLoadFile(const char * path){
	this->path = path;
	SDL_Surface * loaded = IMG_Load(path);
	if (loaded){
	getData().setSurface(optimizedSurface(loaded));
	SDL_FreeSurface(loaded);
	} else {
	std::ostringstream out;
	out << "Could not load file '" << path << "'";
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	own = new int;
	*own = 1;
	}

	int Bitmap::getWidth() const {
	if (getData().getSurface() != NULL){
	return getData().getSurface()->w;
	}

	return 0;
	}

	int Bitmap::getHeight() const {
	if (getData().getSurface() != NULL){
	return getData().getSurface()->h;
	}

	return 0;
	}

	int getRed(int c){
	Uint8 red = 0;
	Uint8 green = 0;
	Uint8 blue = 0;
	SDL_GetRGB(c, &format565, &red, &green, &blue);
	return red;
	}

	int getBlue(int c){
	Uint8 red = 0;
	Uint8 green = 0;
	Uint8 blue = 0;
	SDL_GetRGB(c, &format565, &red, &green, &blue);
	return blue;
	}

	int getGreen(int c){
	Uint8 red = 0;
	Uint8 green = 0;
	Uint8 blue = 0;
	SDL_GetRGB(c, &format565, &red, &green, &blue);
	return green;
	}

	int makeColor(int red, int blue, int green){
	return SDL_MapRGB(&format565, red, blue, green);
	}

	void initializeExtraStuff(){
	/* this is as good a place as any to initialize our format */
	format565.palette = 0;
	format565.BitsPerPixel = 16;
	format565.BytesPerPixel = 2;
	format565.Rloss = 3;
	format565.Gloss = 2;
	format565.Bloss = 3;
	format565.Aloss = 0;
	format565.Rshift = 11;
	format565.Gshift = 5;
	format565.Bshift = 0;
	format565.Ashift = 0;
	format565.Rmask = 63488;
	format565.Gmask = 2016;
	format565.Bmask = 31;
	format565.Amask = 0;
	#ifndef PS3
	format565.colorkey = 0;
	format565.alpha = 255;
	#endif
	}

	int setGraphicsMode(int mode, int width, int height){
	initializeExtraStuff();

	switch (mode){
	case WINDOWED : {
	// screen = SDL_SetVideoMode(width, height, SCREEN_DEPTH, SDL_HWSURFACE \| SDL_DOUBLEBUF \| SDL_RESIZABLE);
	screen = SDL_SetVideoMode(width, height, SCREEN_DEPTH, SDL_SWSURFACE \| SDL_RESIZABLE);
	SDL_ShowCursor(0);
	// screen = SDL_SetVideoMode(width, height, SCREEN_DEPTH, SDL_SWSURFACE \| SDL_DOUBLEBUF);
	if (!screen){
	return 1;
	}
	break;
	}
	case FULLSCREEN : {
	screen = SDL_SetVideoMode(width, height, SCREEN_DEPTH, SDL_HWSURFACE \| SDL_DOUBLEBUF \| SDL_FULLSCREEN);
	SDL_ShowCursor(0);
	// screen = SDL_SetVideoMode(width, height, SCREEN_DEPTH, SDL_SWSURFACE \| SDL_DOUBLEBUF);
	if (!screen){
	return 1;
	}
	break;
	}
	}

	Global::debug(1) << "SDL Screen format palette: " << screen->format->palette <<
	" bits per pixel: " << (int) screen->format->BitsPerPixel <<
	" bytes per pixel: " << (int) screen->format->BytesPerPixel <<
	" rloss: " << (int) screen->format->Rloss <<
	" gloss: " << (int) screen->format->Gloss <<
	" bloss: " << (int) screen->format->Bloss <<
	" aloss: " << (int) screen->format->Aloss <<
	" rshift: " << (int) screen->format->Rshift <<
	" gshift: " << (int) screen->format->Gshift <<
	" bshift: " << (int) screen->format->Bshift <<
	" ashift: " << (int) screen->format->Ashift <<
	" rmask: " << (int) screen->format->Rmask <<
	" gmask: " << (int) screen->format->Gmask <<
	" bmask: " << (int) screen->format->Bmask <<
	" amask: " << (int) screen->format->Amask <<
	#ifndef PS3
	" colorkey: " << (int) screen->format->colorkey <<
	" alpha: " << (int) screen->format->alpha << std::endl;
	#else
	std::endl;
	#endif


	if (SCALE_X == 0){
	SCALE_X = width;
	}

	SCALE_X = width;

	if (SCALE_Y == 0){
	SCALE_Y = height;
	}

	SCALE_Y = height;

	/* does this need to be here? I think configuration will set SCALE_ */
	SCALE_X = 640;
	SCALE_Y = 480;

	if ( Screen != NULL ){
	delete Screen;
	Screen = NULL;
	}

	if ( Scaler != NULL ){
	delete Scaler;
	Scaler = NULL;
	}

	if ( Buffer != NULL ){
	delete Buffer;
	Buffer = NULL;
	}

	if (width != 0 && height != 0){
	Screen = new Bitmap(screen);
	Scaler = new Bitmap(width, height);
	/*
	if ( width != 0 && height != 0 && (width != SCALE_X \|\| height != SCALE_Y) ){
	Scaler = new Bitmap(width, height);
	Buffer = new Bitmap(SCALE_X, SCALE_Y);
	}
	*/
	}

	for (std::vector<Bitmap*>::iterator it = needResize.begin(); it != needResize.end(); it++){
	Bitmap * who = *it;
	who->resize(width, height);
	}

	return 0;
	}

	void Bitmap::shutdown(){
	delete Screen;
	Screen = NULL;
	delete Scaler;
	Scaler = NULL;
	delete Buffer;
	Buffer = NULL;
	}

	void Bitmap::addBlender( int r, int g, int b, int a ){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	globalBlend.currentBlender = Graphics::addBlender;
	}

	void Bitmap::multiplyBlender( int r, int g, int b, int a ){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	globalBlend.currentBlender = Graphics::multiplyBlender;
	}

	void Bitmap::differenceBlender( int r, int g, int b, int a ){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	globalBlend.currentBlender = Graphics::differenceBlender;
	}

	void Bitmap::burnBlender(int r, int g, int b, int a){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	globalBlend.currentBlender = Graphics::burnBlender;
	}

	Bitmap & Bitmap::operator=(const Bitmap & copy){
	releaseInternalBitmap();
	path = copy.getPath();
	getData().setSurface(copy.getData().getSurface());
	// own = false;
	own = copy.own;
	if (own)
	*own += 1;
	return *this;
	}

	int setGfxModeText(){
	/* TODO */
	return 0;
	}

	int setGfxModeFullscreen(int x, int y){
	return setGraphicsMode(FULLSCREEN, x, y);
	}

	int setGfxModeWindowed( int x, int y ){
	return setGraphicsMode(WINDOWED, x, y);
	}

	void Bitmap::drawingMode(int type){
	Graphics::drawingMode = type;
	}

	void Bitmap::transBlender( int r, int g, int b, int a ){
	globalBlend.red = r;
	globalBlend.green = g;
	globalBlend.blue = b;
	globalBlend.alpha = a;
	globalBlend.currentBlender = Graphics::transBlender;
	}

	void Bitmap::setClipRect( int x1, int y1, int x2, int y2 ) const {
	SDL_Rect area;
	area.x = x1;
	area.y = y1;
	area.w = x2 - x1;
	area.h = y2 - y1;
	SDL_SetClipRect(getData().getSurface(), &area);
	SDL_GetClipRect(getData().getSurface(), &area);
	getData().setClip(area.x, area.y, area.x + area.w, area.y + area.h);
	}

	void Bitmap::getClipRect(int & x1, int & y1, int & x2, int & y2) const {
	x1 = getData().clip_left;
	y1 = getData().clip_top;
	x2 = getData().clip_right;
	y2 = getData().clip_bottom;
	}

	void Bitmap::destroyPrivateData(){
	SDL_FreeSurface(getData().getSurface());
	}

	static void doPutPixel(SDL_Surface * surface, int x, int y, int pixel, bool translucent){

	if (SDL_MUSTLOCK(surface)){
	SDL_LockSurface(surface);
	}

	int bpp = surface->format->BytesPerPixel;
	/* Here p is the address to the pixel we want to set */
	Uint8 *p = computeOffset(surface, x, y);

	switch(bpp) {
	case 1:
	*p = pixel;
	break;

	case 2:
	if (translucent){
	(Uint16 )p = globalBlend.currentBlender(pixel, (Uint16)p, globalBlend.alpha);
	} else {
	(Uint16 )p = pixel;
	}
	break;
	case 3:
	if(SDL_BYTEORDER == SDL_BIG_ENDIAN) {
	p[0] = (pixel >> 16) & 0xff;
	p[1] = (pixel >> 8) & 0xff;
	p[2] = pixel & 0xff;
	} else {
	p[0] = pixel & 0xff;
	p[1] = (pixel >> 8) & 0xff;
	p[2] = (pixel >> 16) & 0xff;
	}
	break;
	case 4:
	(Uint32 )p = pixel;
	break;
	}

	if (SDL_MUSTLOCK(surface)){
	SDL_UnlockSurface(surface);
	}

	}

	void Bitmap::putPixel(int x, int y, int pixel) const {
	/* clip it */
	if (getData().isClipped(x, y)){
	return;
	}

	SDL_Surface * surface = getData().getSurface();
	doPutPixel(surface, x, y, pixel, false);
	}

	void Bitmap::putPixelNormal(int x, int y, int col) const {
	putPixel(x, y, col);
	}

	void TranslucentBitmap::putPixelNormal(int x, int y, int color) const {
	if (getData().isClipped(x, y)){
	return;
	}

	SDL_Surface * surface = getData().getSurface();
	doPutPixel(surface, x, y, color, true);
	}

	bool Bitmap::getError(){
	/* TODO */
	return false;
	}

	void Bitmap::rectangle( int x1, int y1, int x2, int y2, int color ) const {
	SPG_Rect(getData().getSurface(), x1, y1, x2, y2, color);
	}

	void TranslucentBitmap::rectangle( int x1, int y1, int x2, int y2, int color ) const {
	int alpha = globalBlend.alpha;
	SPG_RectBlend(getData().getSurface(), x1, y1, x2, y2, color, alpha);
	}

	void Bitmap::rectangleFill( int x1, int y1, int x2, int y2, int color ) const {
	SPG_RectFilled(getData().getSurface(), x1, y1, x2, y2, color);
	}

	void TranslucentBitmap::rectangleFill(int x1, int y1, int x2, int y2, int color) const {
	int alpha = globalBlend.alpha;
	SPG_RectFilledBlend(getData().getSurface(), x1, y1, x2, y2, color, alpha);
	}

	void Bitmap::circleFill(int x, int y, int radius, int color) const {
	if (Graphics::drawingMode == MODE_SOLID){
	SPG_CircleFilled(getData().getSurface(), x, y, radius, color);
	} else if (Graphics::drawingMode == MODE_TRANS){
	int alpha = globalBlend.alpha;
	SPG_CircleFilledBlend(getData().getSurface(), x, y, radius, color, alpha);
	}
	}

	void TranslucentBitmap::circleFill(int x, int y, int radius, int color) const {
	int alpha = globalBlend.alpha;
	SPG_CircleFilledBlend(getData().getSurface(), x, y, radius, color, alpha);
	}

	void Bitmap::circle(int x, int y, int radius, int color) const {
	// Uint8 red, green, blue;
	// SDL_GetRGB(color, getData().getSurface()->format, &red, &green, &blue);
	// int alpha = 255;
	if (Graphics::drawingMode == MODE_SOLID){
	SPG_Circle(getData().getSurface(), x, y, radius, color);
	} else if (Graphics::drawingMode == MODE_TRANS){
	int alpha = globalBlend.alpha;
	SPG_CircleBlend(getData().getSurface(), x, y, radius, color, alpha);
	}

	// circleRGBA(getData().getSurface(), x, y, radius, red, green, blue, alpha);
	}

	void Bitmap::line( const int x1, const int y1, const int x2, const int y2, const int color ) const {
	if (Graphics::drawingMode == MODE_SOLID){
	SPG_Line(getData().getSurface(), x1, y1, x2, y2, color);
	} else if (Graphics::drawingMode == MODE_TRANS){
	int alpha = globalBlend.alpha;
	SPG_LineBlend(getData().getSurface(), x1, y1, x2, y2, color, alpha);
	}
	}

	void Bitmap::draw(const int x, const int y, const Bitmap & where) const {
	if (getData().getSurface() != NULL){
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_NO_FLIP, NULL);
	/*
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, makeColor(255, 0, 255));
	Blit(x, y, where);
	*/
	}
	}

	void Bitmap::drawHFlip(const int x, const int y, const Bitmap & where) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_H_FLIP, NULL);
	}

	void Bitmap::drawHFlip(const int x, const int y, Filter * filter, const Bitmap & where) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_H_FLIP, filter);
	}

	void Bitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_V_FLIP, NULL);
	}

	void Bitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_V_FLIP, filter);
	}

	void Bitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_V_FLIP \| SPRITE_H_FLIP, NULL);
	}

	void Bitmap::drawHVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_V_FLIP \| SPRITE_H_FLIP, filter);
	}

	void TranslucentBitmap::draw(const int x, const int y, const Bitmap & where) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_NO_FLIP, NULL);
	}

	void TranslucentBitmap::draw( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_NO_FLIP, filter);
	}

	void TranslucentBitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_H_FLIP, NULL);
	}

	void TranslucentBitmap::drawHFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_H_FLIP, filter);
	}

	void TranslucentBitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_V_FLIP, NULL);
	}

	void TranslucentBitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_V_FLIP, filter);
	}

	void TranslucentBitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_V_FLIP \| SPRITE_H_FLIP, NULL);
	}

	void TranslucentBitmap::drawHVFlip( const int x, const int y, Filter * filter,const Bitmap & where ) const {
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_TRANS, SPRITE_V_FLIP \| SPRITE_H_FLIP, filter);
	}

	void Bitmap::drawStretched( const int x, const int y, const int new_width, const int new_height, const Bitmap & who ) const {

	if (getData().getSurface() != NULL){
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, makeColor(255, 0, 255));

	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = who.getData().getSurface();

	int myWidth = src->w;
	int myHeight = src->h;
	int hisWidth = new_width;
	int hisHeight = new_height;
	int useX = x;
	int useY = y;
	int myX = 0;
	int myY = 0;

	float xscale = (float) hisWidth / (float) myWidth;
	float yscale = (float) hisHeight / (float) myHeight;

	/* sprig wont do the clipping right, if you start drawing from a negative offset
	* sprig will do nothing.
	*/
	if (useX < 0){
	useX = 0;
	myX = -x / xscale;
	}

	if (useY < 0){
	useY = 0;
	myY = -y / yscale;
	}

	SPG_TransformX(src, dst, 0, xscale, yscale, myX, myY, useX, useY, SPG_TCOLORKEY);
	}
	}

	static void doBlit(SDL_Surface * mine, const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ){
	SDL_Rect source;
	SDL_Rect destination;
	source.w = width;
	source.h = height;
	source.x = mx;
	source.y = my;

	destination.w = width;
	destination.h = height;
	destination.x = wx;
	destination.y = wy;

	SDL_BlitSurface(mine, &source, where.getData().getSurface(), &destination);
	}

	void Bitmap::Blit( const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ) const {
	SDL_SetColorKey(getData().getSurface(), 0, MaskColor());
	doBlit(getData().getSurface(), mx, my, width, height, wx, wy, where);

	/* FIXME: this is a hack, maybe put a call here for the other bitmap to update stuff
	* like where->Blitted()
	*/
	if (&where == Screen){
	SDL_Flip(Screen->getData().getSurface());
	}
	}

	void Bitmap::BlitMasked( const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ) const {
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, MaskColor());

	doBlit(getData().getSurface(),mx, my, width, height, wx, wy, where);

	/* FIXME: this is a hack, maybe put a call here for the other bitmap to update stuff
	* like where->Blitted()
	*/
	if (&where == Screen){
	SDL_Flip(Screen->getData().getSurface());
	}
	}

	void Bitmap::BlitToScreen(const int upper_left_x, const int upper_left_y) const {
	if (getWidth() != Screen->getWidth() \|\| getHeight() != Screen->getHeight()){
	/*
	this->Blit( upper_left_x, upper_left_y, *Buffer );
	Buffer->Stretch(*Scaler);
	Scaler->Blit(0, 0, 0, 0, *Screen);
	*/

	this->Stretch(*Scaler, 0, 0, getWidth(), getHeight(), upper_left_x, upper_left_y, Scaler->getWidth(), Scaler->getHeight());
	Scaler->Blit(0, 0, 0, 0, *Screen);
	} else {
	this->Blit( upper_left_x, upper_left_y, *Screen );
	}

	/*
	if ( Scaler == NULL ){
	this->Blit( upper_left_x, upper_left_y, *Screen );
	} else {
	this->Blit( upper_left_x, upper_left_y, *Buffer );
	Buffer->Stretch(*Scaler);
	Scaler->Blit(0, 0, 0, 0, *Screen);
	}
	*/

	// SDL_Flip(Screen->getData().getSurface());
	// SDL_UpdateRect(Screen->getData().getSurface(), 0, 0, Screen->getWidth(), Screen->getHeight());
	}

	void Bitmap::BlitAreaToScreen(const int upper_left_x, const int upper_left_y) const {
	if ( Scaler != NULL ){
	double mult_x = (double) Scaler->getWidth() / (double) SCALE_X;
	double mult_y = (double) Scaler->getHeight() / (double) SCALE_Y;

	int x = (int)(upper_left_x * mult_x);
	int y = (int)(upper_left_y * mult_y);
	int w = (int)(this->getWidth() * mult_x);
	int h = (int)(this->getHeight() * mult_y);

	// printf("ux %d uy %d uw %d uh %d. x %d y %d w %d h %d\n", upper_left_x, upper_left_y, getWidth(), getHeight(), x, y, w, h );

	this->Stretch( *Scaler, 0, 0, this->getWidth(), this->getHeight(), x, y, w, h );

	Bitmap tmp(*Scaler, x, y, w, h );
	tmp.Blit( x, y, *Screen );

	// Scaler->Blit( x, y, w, h, *Screen );
	} else {
	this->Blit( upper_left_x, upper_left_y, *Screen );
	}
	}

	/*
	void Bitmap::Stretch( const Bitmap & where ) const {
	if (getWidth() == where.getWidth() && getHeight() == where.getHeight()){
	Blit(where);
	} else {
	Stretch(where, 0, 0, getWidth(), getHeight(), 0, 0, where.getWidth(), where.getHeight());
	}
	}
	*/

	void Bitmap::Stretch( const Bitmap & where, const int sourceX, const int sourceY, const int sourceWidth, const int sourceHeight, const int destX, const int destY, const int destWidth, const int destHeight ) const {

	if (destWidth <= 0 \|\| destHeight <= 0 \|\|
	sourceWidth <= 0 \|\| sourceHeight <= 0){
	return;
	}

	Bitmap subSource(*this, sourceX, sourceY, sourceWidth, sourceHeight);
	Bitmap subDestination(where, destX, destY, destWidth, destHeight);

	SDL_Surface * src = subSource.getData().getSurface();
	SDL_Surface * dst = subDestination.getData().getSurface();

	if (SDL_MUSTLOCK(src)){
	SDL_LockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	SDL_StretchSurfaceRect(src, NULL, dst, NULL);

	if (SDL_MUSTLOCK(src)){
	SDL_UnlockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}

	/*
	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = where.getData().getSurface();
	*/

	/*
	float xscale = (float) destWidth / (float) sourceWidth;
	float yscale = (float) destHeight / (float) sourceHeight;
	SDL_SetColorKey(src, 0, MaskColor());
	SPG_TransformX(src, dst, 0, xscale, yscale, sourceX, sourceY, destX, destY, SPG_NONE);
	*/

	/*
	SDL_Rect source;
	SDL_Rect destination;
	source.x = sourceX;
	source.y = sourceY;
	source.w = sourceWidth;
	source.h = sourceHeight;

	destination.x = destX;
	destination.y = destY;
	destination.w = destWidth;
	destination.h = destHeight;

	// SDL_StretchSurfaceRect(getData().getSurface(), &source, where.getData().getSurface(), &destination);

	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = where.getData().getSurface();

	if (SDL_MUSTLOCK(src)){
	SDL_LockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	SDL_StretchSurfaceRect(src, &source, dst, &destination);

	if (SDL_MUSTLOCK(src)){
	SDL_UnlockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}
	*/
	}

	void Bitmap::save( const std::string & str ) const {
	/* TODO */
	}

	void Bitmap::triangle( int x1, int y1, int x2, int y2, int x3, int y3, int color ) const {

	if (Graphics::drawingMode == MODE_SOLID){
	SPG_TrigonFilled(getData().getSurface(), x1, y1, x2, y2, x3, y3, color);
	} else if (Graphics::drawingMode == MODE_TRANS){
	int alpha = globalBlend.alpha;
	SPG_TrigonFilledBlend(getData().getSurface(), x1, y1, x2, y2, x3, y3, color, alpha);
	}
	}

	void Bitmap::ellipse( int x, int y, int rx, int ry, int color ) const {
	if (Graphics::drawingMode == MODE_SOLID){
	SPG_Ellipse(getData().getSurface(), x, y, rx, ry, color);
	} else if (Graphics::drawingMode == MODE_TRANS){
	int alpha = globalBlend.alpha;
	SPG_EllipseBlend(getData().getSurface(), x, y, rx, ry, color, alpha);
	}
	}

	void TranslucentBitmap::ellipse( int x, int y, int rx, int ry, int color ) const {
	int alpha = globalBlend.alpha;
	SPG_EllipseBlend(getData().getSurface(), x, y, rx, ry, color, alpha);
	}

	void Bitmap::ellipseFill( int x, int y, int rx, int ry, int color ) const {
	SPG_EllipseFilled(getData().getSurface(), x, y, rx, ry, color);
	}

	void Bitmap::light(int x, int y, int width, int height, int start_y, int focus_alpha, int edge_alpha, int focus_color, int edge_color) const {
	paintown_light16(getData().getSurface(), x, y, width, height, start_y, focus_alpha, edge_alpha, focus_color, edge_color);
	}

	void Bitmap::applyTrans(const int color) const {
	paintown_applyTrans16(getData().getSurface(), color);
	}

	void Bitmap::floodfill( const int x, const int y, const int color ) const {
	SPG_FloodFill(getData().getSurface(), x, y, color);
	}

	/*
	void Bitmap::horizontalLine( const int x1, const int y, const int x2, const int color ) const {
	SPG_LineH(getData().getSurface(), x1, y, x2, color);
	}
	*/

	void Bitmap::hLine( const int x1, const int y, const int x2, const int color ) const {
	SPG_LineH(getData().getSurface(), x1, y, x2, color);
	}

	void TranslucentBitmap::hLine( const int x1, const int y, const int x2, const int color ) const {
	int alpha = globalBlend.alpha;
	SPG_LineHBlend(getData().getSurface(), x1, y, x2, color, alpha);
	}

	void Bitmap::vLine( const int y1, const int x, const int y2, const int color ) const {
	SPG_LineV(getData().getSurface(), x, y1, y2, color);
	}

	void Bitmap::polygon( const int * verts, const int nverts, const int color ) const {
	SPG_Point * points = new SPG_Point[nverts];
	for (int i = 0; i < nverts; i++){
	points[i].x = verts[i*2];
	points[i].y = verts[i*2+1];
	}
	SPG_PolygonFilled(getData().getSurface(), nverts, points, color);
	delete[] points;
	}
	-
	+
	+static const double S_PI = 3.14159265358979323846;
	+static const double RAD_TO_DEG = 180.0/S_PI;
	+static const double DEG_TO_RAD = S_PI/180.0;
	+
	+static double toDegrees(double radians){
	+ return RAD_TO_DEG * radians;
	+}
	+
	+/* 0 = right. pi/2 = up. pi = left. 3pi/2 = down */
	void Bitmap::arc(const int x, const int y, const double ang1, const double ang2, const int radius, const int color ) const {
	- SPG_Arc(getData().getSurface(), x, y, radius, ang1, ang2, color);
	+ SPG_Arc(getData().getSurface(), x, y, radius, toDegrees(ang1 + S_PI/2), toDegrees(ang2 + S_PI/2), color);
	}

	void Bitmap::fill(int color) const {
	SDL_Rect area;
	area.x = 0;
	area.y = 0;
	area.w = getWidth();
	area.h = getHeight();
	SDL_FillRect(getData().getSurface(), &area, color);
	}

	/*
	void TranslucentBitmap::fill(int color) const {
	rectangleFill(0, 0, getWidth(), getHeight(), color);
	}
	*/



	void Bitmap::drawCharacter( const int x, const int y, const int color, const int background, const Bitmap & where ) const {
	/* TODO */
	}

	void Bitmap::drawRotate( const int x, const int y, const int angle, const Bitmap & where ){
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, MaskColor());
	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = where.getData().getSurface();
	SPG_TransformX(src, dst, angle, 1, 1, 0, 0, x, y, SPG_TCOLORKEY);
	}

	void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const Bitmap & where ){
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, MaskColor());
	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = where.getData().getSurface();
	SPG_TransformX(src, dst, angle, 1, 1, centerX, centerY, x, y, SPG_TCOLORKEY);
	}

	void Bitmap::drawPivot( const int centerX, const int centerY, const int x, const int y, const int angle, const double scale, const Bitmap & where ){
	SDL_SetColorKey(getData().getSurface(), SDL_SRCCOLORKEY, MaskColor());
	SDL_Surface * src = getData().getSurface();
	SDL_Surface * dst = where.getData().getSurface();
	SPG_TransformX(src, dst, angle, scale, scale, centerX, centerY, x, y, SPG_TCOLORKEY);
	}

	void Bitmap::replaceColor(int original, int replaced){
	paintown_replace16(getData().getSurface(), original, replaced);
	}

	Bitmap Bitmap::memoryPCX(unsigned char * const data, const int length, const bool mask){
	SDL_RWops * ops = SDL_RWFromConstMem(data, length);
	SDL_Surface * pcx = IMG_LoadPCX_RW(ops);
	SDL_FreeRW(ops);
	if (!pcx){
	std::ostringstream out;
	out << "Could not load PCX file at " << (void*) data << " length " << length;
	throw BitmapException(__FILE__, __LINE__, out.str());
	}
	SDL_Surface * display = optimizedSurface(pcx);
	Bitmap out(display, true);

	#ifndef PS3
	if (pcx->format->BitsPerPixel == 8){
	SDL_Color color = pcx->format->palette->colors[pcx->format->colorkey];
	int bad = makeColor(color.r, color.g, color.b);
	out.set8BitMaskColor(bad);
	// int mask = MaskColor();
	// out.replaceColor(bad, mask);
	}
	#endif

	SDL_FreeSurface(pcx);
	SDL_FreeSurface(display);
	// out.floodfill(0, 0, makeColor(255, 0, 255));

	return out;
	}

	int Bitmap::getPixel( const int x, const int y ) const {
	return SPG_GetPixel(getData().getSurface(), x, y);
	}

	void Bitmap::readLine( std::vector< int > & line, int y ){
	for (int x = 0; x < getWidth(); x++){
	line.push_back(getPixel(x, y));
	}
	}

	void Bitmap::StretchBy2( const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::StretchBy4( const Bitmap & where ){
	/* TODO */
	}

	void Bitmap::draw(const int x, const int y, Filter * filter, const Bitmap & where) const {
	// paintown_draw_sprite_filter_ex16(where.getData().getSurface(), getData().getSurface(), x, y, filter);
	paintown_draw_sprite_ex16(where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_NORMAL, SPRITE_NO_FLIP, filter);
	}

	void LitBitmap::draw( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_NO_FLIP, NULL);
	}

	void LitBitmap::draw( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_NO_FLIP, filter);
	}

	void LitBitmap::drawHFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_H_FLIP, NULL);
	}

	void LitBitmap::drawHFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_H_FLIP, filter);
	}

	void LitBitmap::drawVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_V_FLIP, NULL);
	}

	void LitBitmap::drawVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_V_FLIP, filter);
	}

	void LitBitmap::drawHVFlip( const int x, const int y, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_V_FLIP \| SPRITE_H_FLIP, NULL);
	}

	void LitBitmap::drawHVFlip( const int x, const int y, Filter * filter, const Bitmap & where ) const {
	paintown_draw_sprite_ex16( where.getData().getSurface(), getData().getSurface(), x, y, SPRITE_LIT, SPRITE_V_FLIP \| SPRITE_H_FLIP, filter);
	}

	/*
	#define PAINTOWN_DLS_BLENDER BLENDER_FUNC
	#define PAINTOWN_DTS_BLENDER BLENDER_FUNC
	#define PAINTOWN_MAKE_DLS_BLENDER(a) _blender_func16
	#define PAINTOWN_MAKE_DTS_BLENDER() _blender_func16
	#define PAINTOWN_PIXEL_PTR unsigned short*
	#define PAINTOWN_OFFSET_PIXEL_PTR(p,x) ((PAINTOWN_PIXEL_PTR) (p) + (x))
	#define PAINTOWN_INC_PIXEL_PTR(p) ((p)++)
	#define PAINTOWN_INC_PIXEL_PTR_EX(p,d) ((p) += d)
	#define PAINTOWN_GET_MEMORY_PIXEL(p) (*(p))
	#define PAINTOWN_IS_SPRITE_MASK(b,c) ((unsigned long) (c) == (unsigned long) MASK_COLOR)
	#define PAINTOWN_DLSX_BLEND(b,n) ((*(b))(_blender_col_16, (n), globalBlend.alpha))
	#define PAINTOWN_GET_PIXEL(p) ((unsigned short ) (p))
	#define PAINTOWN_DTS_BLEND(b,o,n) ((*(b))((n), (o), globalBlend.alpha))
	#define PAINTOWN_PUT_PIXEL(p,c) (((unsigned short ) p) = (c))
	#define PAINTOWN_PUT_MEMORY_PIXEL(p,c) (*(p) = (c))
	#define PAINTOWN_SET_ALPHA(a) (globalBlend.alpha = (a))
	*/

	static void paintown_applyTrans16(SDL_Surface * dst, const int color){
	int y1 = 0;
	int y2 = dst->h;
	int x1 = 0;
	int x2 = dst->w - 1;

	y1 = dst->clip_rect.y;
	y2 = dst->clip_rect.y + dst->clip_rect.h;
	x1 = dst->clip_rect.x;
	x2 = dst->clip_rect.x + dst->clip_rect.w;

	int bpp = dst->format->BytesPerPixel;
	unsigned int mask = makeColor(255, 0, 255);
	for (int y = y1; y < y2; y++) {
	Uint8 * sourceLine = computeOffset(dst, x1, y);

	for (int x = x2 - 1; x >= x1; sourceLine += bpp, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if (!(sourcePixel == mask)){
	sourcePixel = globalBlend.currentBlender(color, sourcePixel, globalBlend.alpha);
	(Uint16 )sourceLine = sourcePixel;
	}
	}
	}
	}

	static void paintown_replace16(SDL_Surface * dst, const int original, const int replace){
	int y1 = 0;
	int y2 = dst->h;
	int x1 = 0;
	int x2 = dst->w - 1;

	y1 = dst->clip_rect.y;
	y2 = dst->clip_rect.y + dst->clip_rect.h;
	x1 = dst->clip_rect.x;
	x2 = dst->clip_rect.x + dst->clip_rect.w;

	int bpp = dst->format->BytesPerPixel;

	/* Attempted manual unrolling. Gcc can optimize the naive loop below better
	* than this unrolling attempt.
	*/
	/*
	for (int y = y1; y < y2; y += 4){
	switch (y2 - y1){
	case 1 : {
	Uint8 * source1 = computeOffset(dst, x1, y);
	for (int x = x2 - 1; x >= x1; source1 += bpp, x--) {
	unsigned long sourcePixel = (Uint16) source1;
	if ((int) sourcePixel == original){
	(Uint16 )source1 = replace;
	}
	}
	break;
	}
	case 2 : {
	Uint8 * source1 = computeOffset(dst, x1, y);
	Uint8 * source2 = computeOffset(dst, x1, y + 1);
	for (int x = x2 - 1; x >= x1; source1 += bpp, source2 += bpp, x--) {
	unsigned long sourcePixel = (Uint16) source1;
	unsigned long sourcePixel2 = (Uint16) source2;
	if ((int) sourcePixel == original){
	(Uint16 )source1 = replace;
	}
	if ((int) sourcePixel2 == original){
	(Uint16 )source2 = replace;
	}
	}
	break;
	}
	case 3 : {
	Uint8 * source1 = computeOffset(dst, x1, y);
	Uint8 * source2 = computeOffset(dst, x1, y + 1);
	Uint8 * source3 = computeOffset(dst, x1, y + 2);
	for (int x = x2 - 1; x >= x1; source1 += bpp, source2 += bpp, source3 += bpp, x--) {
	unsigned long sourcePixel = (Uint16) source1;
	unsigned long sourcePixel2 = (Uint16) source2;
	unsigned long sourcePixel3 = (Uint16) source3;
	if ((int) sourcePixel == original){
	(Uint16 )source1 = replace;
	}
	if ((int) sourcePixel2 == original){
	(Uint16 )source2 = replace;
	}
	if ((int) sourcePixel3 == original){
	(Uint16 )source3 = replace;
	}
	}
	break;
	}
	default:
	case 4 : {
	Uint8 * source1 = computeOffset(dst, x1, y);
	Uint8 * source2 = computeOffset(dst, x1, y + 1);
	Uint8 * source3 = computeOffset(dst, x1, y + 2);
	Uint8 * source4 = computeOffset(dst, x1, y + 3);
	for (int x = x2 - 1; x >= x1; source1 += bpp, source2 += bpp, source3 += bpp, source4 += bpp, x--) {
	unsigned long sourcePixel = (Uint16) source1;
	unsigned long sourcePixel2 = (Uint16) source2;
	unsigned long sourcePixel3 = (Uint16) source3;
	unsigned long sourcePixel4 = (Uint16) source4;
	if ((int) sourcePixel == original){
	(Uint16 )source1 = replace;
	}
	if ((int) sourcePixel2 == original){
	(Uint16 )source2 = replace;
	}
	if ((int) sourcePixel3 == original){
	(Uint16 )source3 = replace;
	}
	if ((int) sourcePixel4 == original){
	(Uint16 )source4 = replace;
	}
	}
	break;
	}
	}
	}
	*/
	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	for (int y = y1; y < y2; y++) {
	Uint8 * sourceLine = computeOffset(dst, x1, y);

	for (int x = x2 - 1; x >= x1; sourceLine += bpp, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if ((int) sourcePixel == original){
	(Uint16 )sourceLine = replace;
	}
	}
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}
	}

	static void paintown_draw_sprite_filter_ex16(SDL_Surface * dst, SDL_Surface * src, int dx, int dy, Bitmap::Filter * filter){
	int x, y, w, h;
	int x_dir = 1, y_dir = 1;
	int dxbeg, dybeg;
	int sxbeg, sybeg;

	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	if (true /* dst->clip*/ ) {
	int tmp;

	tmp = dst->clip_rect.x - dx;
	sxbeg = ((tmp < 0) ? 0 : tmp);
	dxbeg = sxbeg + dx;

	tmp = dst->clip_rect.x + dst->clip_rect.w - dx;
	w = ((tmp > src->w) ? src->w : tmp) - sxbeg;
	if (w <= 0)
	return;

	tmp = dst->clip_rect.y - dy;
	sybeg = ((tmp < 0) ? 0 : tmp);
	dybeg = sybeg + dy;

	tmp = dst->clip_rect.y + dst->clip_rect.h - dy;
	h = ((tmp > src->h) ? src->h : tmp) - sybeg;
	if (h <= 0)
	return;
	}

	unsigned int mask = makeColor(255, 0, 255);
	int bpp = src->format->BytesPerPixel;
	for (y = 0; y < h; y++) {
	Uint8 * sourceLine = computeOffset(src, sxbeg, sybeg + y);
	Uint8 * destLine = computeOffset(dst, dxbeg, dybeg + y * y_dir);

	for (x = w - 1; x >= 0; sourceLine += bpp, destLine += bpp * x_dir, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if (!(sourcePixel == mask)){
	(Uint16 )destLine = filter->filter(sourcePixel);
	} else {
	(Uint16 )destLine = mask;
	}
	}
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}
	}

	static void paintown_draw_sprite_ex16(SDL_Surface * dst, SDL_Surface * src, int dx, int dy, int mode, int flip, Bitmap::Filter * filter){
	int x, y, w, h;
	int x_dir = 1, y_dir = 1;
	int dxbeg, dybeg;
	int sxbeg, sybeg;
	/*
	PAINTOWN_DLS_BLENDER lit_blender;
	PAINTOWN_DTS_BLENDER trans_blender;
	*/

	/*
	ASSERT(dst);
	ASSERT(src);
	*/

	if (SDL_MUSTLOCK(src)){
	SDL_LockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	if ( flip & SPRITE_V_FLIP ){
	y_dir = -1;
	}
	if ( flip & SPRITE_H_FLIP ){
	x_dir = -1;
	}

	if (true /* dst->clip*/ ) {
	int tmp;

	tmp = dst->clip_rect.x - dx;
	sxbeg = ((tmp < 0) ? 0 : tmp);
	dxbeg = sxbeg + dx;

	tmp = dst->clip_rect.x + dst->clip_rect.w - dx;
	w = ((tmp > src->w) ? src->w : tmp) - sxbeg;
	if (w <= 0)
	return;

	if ( flip & SPRITE_H_FLIP ){
	/* use backward drawing onto dst */
	sxbeg = src->w - (sxbeg + w);
	dxbeg += w - 1;
	}

	tmp = dst->clip_rect.y - dy;
	sybeg = ((tmp < 0) ? 0 : tmp);
	dybeg = sybeg + dy;

	tmp = dst->clip_rect.y + dst->clip_rect.h - dy;
	h = ((tmp > src->h) ? src->h : tmp) - sybeg;
	if (h <= 0)
	return;

	if ( flip & SPRITE_V_FLIP ){
	/* use backward drawing onto dst */
	sybeg = src->h - (sybeg + h);
	dybeg += h - 1;
	}
	} else {
	w = src->w;
	h = src->h;
	sxbeg = 0;
	sybeg = 0;
	dxbeg = dx;
	if ( flip & SPRITE_H_FLIP ){
	dxbeg = dx + w - 1;
	}
	dybeg = dy;
	if ( flip & SPRITE_V_FLIP ){
	dybeg = dy + h - 1;
	}
	}

	/*
	lit_blender = PAINTOWN_MAKE_DLS_BLENDER(0);
	trans_blender = PAINTOWN_MAKE_DTS_BLENDER();
	*/

	#if 0
	if (dst->id & (BMP_ID_VIDEO \| BMP_ID_SYSTEM)) {
	bmp_select(dst);

	switch (mode){
	case Bitmap::SPRITE_NORMAL : {
	for (y = 0; y < h; y++) {
	PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
	PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
	for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {

	unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
	if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
	PAINTOWN_PUT_PIXEL(d, c);
	}
	}
	}

	break;
	}
	case Bitmap::SPRITE_LIT : {
	for (y = 0; y < h; y++) {
	PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
	PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
	for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {

	unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
	if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
	c = PAINTOWN_DLSX_BLEND(lit_blender, c);
	PAINTOWN_PUT_PIXEL(d, c);
	}
	}
	}
	break;
	}
	case Bitmap::SPRITE_TRANS : {
	for (y = 0; y < h; y++) {
	PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
	PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);
	for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {

	unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
	if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
	c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
	PAINTOWN_PUT_PIXEL(d, c);
	}
	}
	}
	break;
	}
	}
	#xendif

	for (y = 0; y < h; y++) {
	PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);

	/* flipped if y_dir is -1 */
	PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);

	/* d is incremented by x_dir, -1 if flipped */
	for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
	unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
	if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
	switch( mode ){
	case Bitmap::SPRITE_NORMAL : break;
	case Bitmap::SPRITE_LIT : {
	c = PAINTOWN_DLSX_BLEND(lit_blender, c);
	break;
	}
	case Bitmap::SPRITE_TRANS : {
	c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
	break;
	}
	}
	PAINTOWN_PUT_PIXEL(d, c);
	}
	}
	}

	bmp_unwrite_line(dst);
	}
	else {
	#endif
	{

	switch (mode){
	case SPRITE_NORMAL : {
	unsigned int mask = makeColor(255, 0, 255);
	int bpp = src->format->BytesPerPixel;
	for (y = 0; y < h; y++) {
	Uint8 * sourceLine = computeOffset(src, sxbeg, sybeg + y);
	Uint8 * destLine = computeOffset(dst, dxbeg, dybeg + y * y_dir);

	for (x = w - 1; x >= 0; sourceLine += bpp, destLine += bpp * x_dir, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if (!(sourcePixel == mask)){
	// unsigned int destPixel = (Uint16) destLine;
	// sourcePixel = globalBlend.currentBlender(destPixel, sourcePixel, globalBlend.alpha);
	if (filter != NULL){
	(Uint16 )destLine = filter->filter(sourcePixel);
	} else {
	(Uint16 )destLine = sourcePixel;
	}
	}
	}
	}
	break;
	}
	case SPRITE_LIT : {
	int bpp = src->format->BytesPerPixel;
	int litColor = makeColor(globalBlend.red, globalBlend.green, globalBlend.blue);
	unsigned int mask = makeColor(255, 0, 255);
	for (y = 0; y < h; y++) {
	Uint8 * sourceLine = computeOffset(src, sxbeg, sybeg + y);
	Uint8 * destLine = computeOffset(dst, dxbeg, dybeg + y * y_dir);

	for (x = w - 1; x >= 0; sourceLine += bpp, destLine += bpp * x_dir, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if (!(sourcePixel == mask)){
	// unsigned int destPixel = (Uint16) destLine;
	if (filter != NULL){
	sourcePixel = globalBlend.currentBlender(litColor, filter->filter(sourcePixel), globalBlend.alpha);
	(Uint16 )destLine = sourcePixel;
	} else {
	sourcePixel = globalBlend.currentBlender(litColor, sourcePixel, globalBlend.alpha);
	(Uint16 )destLine = sourcePixel;
	}
	}
	}
	}
	break;
	}
	case SPRITE_TRANS : {
	int bpp = src->format->BytesPerPixel;
	unsigned int mask = makeColor(255, 0, 255);
	for (y = 0; y < h; y++) {
	Uint8 * sourceLine = computeOffset(src, sxbeg, sybeg + y);
	Uint8 * destLine = computeOffset(dst, dxbeg, dybeg + y * y_dir);

	for (x = w - 1; x >= 0; sourceLine += bpp, destLine += bpp * x_dir, x--) {
	unsigned long sourcePixel = (Uint16) sourceLine;
	if (!(sourcePixel == mask)){
	unsigned int destPixel = (Uint16) destLine;
	if (filter != NULL){
	sourcePixel = globalBlend.currentBlender(filter->filter(sourcePixel), destPixel, globalBlend.alpha);
	(Uint16 )destLine = sourcePixel;
	} else {
	sourcePixel = globalBlend.currentBlender(sourcePixel, destPixel, globalBlend.alpha);
	(Uint16 )destLine = sourcePixel;
	}
	}
	}
	}
	break;
	}
	default : { break; }
	}

	#if 0
	for (y = 0; y < h; y++) {
	PAINTOWN_PIXEL_PTR s = PAINTOWN_OFFSET_PIXEL_PTR(src->line[sybeg + y], sxbeg);
	PAINTOWN_PIXEL_PTR d = PAINTOWN_OFFSET_PIXEL_PTR(bmp_write_line(dst, dybeg + y * y_dir), dxbeg);

	for (x = w - 1; x >= 0; PAINTOWN_INC_PIXEL_PTR(s), PAINTOWN_INC_PIXEL_PTR_EX(d,x_dir), x--) {
	unsigned long c = PAINTOWN_GET_MEMORY_PIXEL(s);
	if (!PAINTOWN_IS_SPRITE_MASK(src, c)) {
	switch( mode ){
	case Bitmap::SPRITE_NORMAL : break;
	case Bitmap::SPRITE_LIT : {
	c = PAINTOWN_DLSX_BLEND(lit_blender, c);
	break;
	}
	case Bitmap::SPRITE_TRANS : {
	c = PAINTOWN_DTS_BLEND(trans_blender, PAINTOWN_GET_PIXEL(d), c);
	break;
	}
	}
	PAINTOWN_PUT_MEMORY_PIXEL(d, c);
	}
	}
	}
	#endif
	}

	if (SDL_MUSTLOCK(src)){
	SDL_UnlockSurface(src);
	}

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}
	}

	/* ultra special-case for drawing a light (like from a lamp).
	* center of light is x,y and shines in a perfect isosolese triangle.
	*/
	static void paintown_light16(SDL_Surface * dst, const int x, const int y, int width, int height, const int start_y, const int focus_alpha, const int edge_alpha, const int focus_color, const int edge_color){

	if (width > dst->w){
	width = dst->w;
	}

	if (height > dst->h){
	height = dst->h;
	}

	int dxbeg = x - width;
	int x_dir = 1;
	unsigned char * alphas = new unsigned char[width];
	int * colors = new int[width];
	for (int i = 0; i < width; i++){
	alphas[i] = (unsigned char)((double)(edge_alpha - focus_alpha) * (double)i / (double)width + focus_alpha);
	}
	blend_palette(colors, width, focus_color, edge_color);

	if (SDL_MUSTLOCK(dst)){
	SDL_LockSurface(dst);
	}

	int min_y, max_y, min_x, max_x;
	min_y = dst->clip_rect.y;
	max_y = dst->clip_rect.y + dst->clip_rect.h - 1;
	min_x = dst->clip_rect.x;
	max_x = dst->clip_rect.x + dst->clip_rect.w - 1;

	int dybeg = y;

	/* tan(theta) = y / x */
	double xtan = (double) height / (double) width;
	int bpp = dst->format->BytesPerPixel;
	for (int sy = start_y; sy < height; sy++) {
	if (dybeg + sy < min_y \|\| dybeg + sy > max_y){
	continue;
	}
	/* x = y / tan(theta) */
	int top_width = (int)((double) sy / xtan);
	if (top_width == 0){
	continue;
	}

	dxbeg = x - top_width;
	Uint8* line = computeOffset(dst, dxbeg, dybeg + y);

	for (int sx = -top_width; sx <= top_width; line += x_dir * bpp, sx++) {
	if (sx + x < min_x \|\| sx + x > max_x){
	continue;
	}

	unsigned long c = (Uint16) line;

	/* TODO:
	* converting to a double and calling fabs is overkill, just
	* write an integer abs() function.
	*/
	int sx_abs = (int) fabs((double) sx);
	int alphaUse = alphas[sx_abs];
	int color = colors[sx_abs];

	c = globalBlend.currentBlender(color, c, alphaUse);

	(Uint16) line = c;
	}
	}
	delete[] alphas;
	delete[] colors;

	if (SDL_MUSTLOCK(dst)){
	SDL_UnlockSurface(dst);
	}
	}

	Bitmap getScreenBuffer(){
	return Bitmap(Screen->getWidth(), Screen->getHeight());
	}

	}

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