//---Include---
#ifdef WIN32

#include <Windows.h>
#include <GdiPlus.h>
#pragma comment( lib, "gdiplus.lib" )

#endif
#include "Bild.h"
#ifdef WIN32
#include "DateiSystem.h"
#include "Scroll.h"
#include "Rahmen.h"
#include "MausEreignis.h"
#include "Globals.h"
#include "ToolTip.h"
#include "Text.h"
#include "AlphaFeld.h"
#else
#include <math.h>
#include <stdlib.h>
#include <string.h>
#ifndef max
#define max( a, b ) ( ( (a) > (b) ) ? (a) : (b) )
#endif
#ifndef min
#define min( a, b ) ( ( (a) < (b) ) ? (a) : (b) )
#endif
#endif

using namespace Framework;

// Inhalt der Bild Klasse aus Bild.h
// Konstruktor 
Bild::Bild( bool options )
	: fc( 0 ),
	delFc( 1 ),
	size( 0, 0 ),
	ref( 1 ),
	drawOff( options ? new Punkt[ 2000 ] : new Punkt[ 1 ] ),
	dPosA( options ? new Punkt[ 2000 ] : new Punkt[ 1 ] ),
	dSizeA( options ? new Punkt[ 2000 ] : new Punkt[ 1 ] ),
	doa( 0 ),
	alpha( options ? new unsigned char[ 1000 ] : new unsigned char[ 1 ] ),
	alphaAnzahl( 0 ),
	rend( 0 ),
	alpha3D( 0 )
{
	alpha[ 0 ] = 0;
}

// Destruktor 
Bild::~Bild()
{
	if( delFc )
	{
		delete[] fc;
		fc = 0;
	}
	delete[] dPosA;
	delete[] dSizeA;
	delete[] alpha;
	delete[] drawOff;
}

// privat
inline void Bild::alphaPixelP( int x, int y, int f )
{
	alphaPixelP( fc[ x + y * size.x ], f );
}

inline void Bild::alphaPixelP( int &fc, int colorb )
{
	int alpha = ( ( colorb >> 24 ) & 0xFF );
	int na = ( 0x100 - alpha );
	fc = ( ( ( ( ( na * ( fc & 0xFF00FF ) ) >> 8 ) + ( ( alpha * ( colorb & 0xFF00FF ) ) >> 8 ) ) & 0xFF00FF ) |
		( ( ( ( na * ( fc & 0x00FF00 ) ) >> 8 ) + ( ( alpha * ( colorb & 0x00FF00 ) ) >> 8 ) ) & 0x00FF00 ) |
		   ( ( fc & 0xFF000000 ) ) ) * ( fc != 0 || !alpha3D ) | ( fc == 0 && alpha3D ) * colorb;
	//unsigned char *fc1 = (unsigned char*)&fc[ i ];
	//unsigned char *fc2 = (unsigned char*)&colorb;
	//unsigned char na = ~fc2[ 3 ];
	//fc1[ 3 ] = fc2[ 3 ];
	//fc1[ 2 ] = (unsigned char)( ( fc2[ 2 ] * fc2[ 3 ] + fc1[ 2 ] * na ) / 255 );
	//fc1[ 1 ] = (unsigned char)( ( fc2[ 1 ] * fc2[ 3 ] + fc1[ 1 ] * na ) / 255 );
	//fc1[ 0 ] = (unsigned char)( ( fc2[ 0 ] * fc2[ 3 ] + fc1[ 0 ] * na ) / 255 );
}

char Bild::getOutCode( Punkt p ) const
{
	char ret = 0;
	if( p.x < dPosA[ doa ].x )
		ret = 1;
	if( p.x >= dSizeA[ doa ].x )
		ret = 2;
	if( p.y < dPosA[ doa ].y )
		ret |= 4;
	if( p.y >= dSizeA[ doa ].y )
		ret |= 8;
	return ret;
}

void Bild::drawFlatDreieck( int y1, int y2, float m1, float b1, float m2, float b2, int farbe )
{
	const int yStart = max( y1, dPosA[ doa ].y );
	const int yEnd = min( y2, dSizeA[ doa ].y );
	for( int y = yStart; y < yEnd; y++ )
	{
		const int xStart = max( (int)( m1 * (float)y + b1 + 0.5f ), dPosA[ doa ].x );
		const int xEnd = min( (int)( m2 * (float)y + b2 + 0.5f ), dSizeA[ doa ].x );
		for( int x = xStart; x < xEnd; x++ )
			fc[ x + y * size.x ] = farbe;
	}
}

void Bild::drawFlatDreieckTextur( int y1, int y2, double m1, double b1, double m2, double b2, double tx1, double ty1, double tx2, double ty2,
								  double tx_1o, double ty_1o, double tx_2o, double ty_2o, double txf, double tyf, Bild &textur )
{
	const double yStart = max( y1, dPosA[ doa ].y );
	const double yEnd = min( y2, dSizeA[ doa ].y );
	double tx_1 = tx1 + tx_1o * ( yStart - y1 ), ty_1 = ty1 + ty_1o * ( yStart - y1 ), tx_2 = tx2 + tx_2o * ( yStart - y1 ), ty_2 = ty2 + ty_2o * ( yStart - y1 );
	for( double y = yStart; y < yEnd; y++, tx_1 += tx_1o, ty_1 += ty_1o, tx_2 += tx_2o, ty_2 += ty_2o )
	{
		const double xStart = m1 * y + b1;
		const double xEnd = m2 * y + b2;
		drawLinieHTextur( Vec2< double >( xStart, y ), xEnd - xStart, Vec2< double >( tx_1, ty_1 ), Vec2< double >( tx_2, ty_2 ), txf, tyf, textur );
	}
}

void Bild::drawFlatDreieckAlpha( int y1, int y2, float m1, float b1, float m2, float b2, int farbe )
{
	const int yStart = max( (int)( y1 + 0.5 ), dPosA[ doa ].y );
	const int yEnd = min( (int)( y2 + 0.5 ), dSizeA[ doa ].y );
	for( int y = yStart; y < yEnd; y++ )
	{
		const int xStart = max( (int)( m1 * ( (float)y + 0.5f ) + b1 + 0.5f ), dPosA[ doa ].x );
		const int xEnd = min( (int)( m2 * ( (float)y + 0.5 ) + b2 + 0.5f ), dSizeA[ doa ].x );
		for( int x = xStart; x < xEnd; x++ )
			alphaPixelP( fc[ x + y * size.x ], farbe );
	}
}

void Bild::drawFlatDreieckTexturAlpha( int y1, int y2, double m1, double b1, double m2, double b2, double tx1, double ty1, double tx2, double ty2,
									   double tx_1o, double ty_1o, double tx_2o, double ty_2o, double txf, double tyf, Bild &textur )
{
	const double yStart = max( y1, dPosA[ doa ].y );
	const double yEnd = min( y2, dSizeA[ doa ].y );
	double tx_1 = tx1 + tx_1o * ( yStart - y1 ), ty_1 = ty1 + ty_1o * ( yStart - y1 ), tx_2 = tx2 + tx_2o * ( yStart - y1 ), ty_2 = ty2 + ty_2o * ( yStart - y1 );
	for( double y = yStart; y < yEnd; y++, tx_1 += tx_1o, ty_1 += ty_1o, tx_2 += tx_2o, ty_2 += ty_2o )
	{
		const double xStart = m1 * y + b1;
		const double xEnd = m2 * y + b2;
		drawLinieHTexturAlpha( Vec2< double >( xStart, y ), xEnd - xStart, Vec2< double >( tx_1, ty_1 ), Vec2< double >( tx_2, ty_2 ), txf, tyf, textur );
	}
}

void Bild::drawLinieHTextur( Vec2< double > p, double len, Vec2< double > ta, Vec2< double > tb, double txo, double tyo, Bild &textur ) // zeichnet eine horizontale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawLinieHTexturAlpha( p, len, ta, tb, txo, tyo, textur );
		return;
	}
	if( len < 0 )
	{
		p.x += len;
		len = -len;
		ta.Swap( tb );
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	if( p.y < dpy || p.y >= dgy )
		return;
	double off = 0;
	if( p.x < dpx )
	{
		off = dpx - p.x;
		len -= dpx - p.x;
		if( len <= 0 )
			return;
		p.x = dpx;
	}
	if( p.x + len >= dgx )
	{
		len -= p.x - dgx + len;
		if( len <= 0 )
			return;
	}
	int br = size.x;
	int *fc = this->fc + (int)( p.x + (int)p.y * br );
	double x = ta.x + txo * off, y = ta.y + tyo * off;
	int *buffer = textur.getBuffer();
	int txtBr = textur.getBreite();
	for( int i = 0; i < len; ++i, ++fc )
	{
		*fc = buffer[ (int)( (int)( x + 0.5 ) + (int)( y + 0.5 ) * txtBr ) ];
		x += txo, y += tyo;
	}
	rend = 1;
}

void Bild::drawLinieHTexturAlpha( Vec2< double > p, double len, Vec2< double > ta, Vec2< double > tb, double txo, double tyo, Bild &textur ) // zeichnet eine horizontale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( len < 0 )
	{
		p.x += len;
		len = -len;
		ta.Swap( tb );
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	if( p.y < dpy || p.y >= dgy )
		return;
	double off = 0;
	if( p.x < dpx )
	{
		off = dpx - p.x;
		len -= dpx - p.x;
		if( len <= 0 )
			return;
		p.x = dpx;
	}
	if( p.x + len >= dgx )
	{
		len -= p.x - dgx + len;
		if( len <= 0 )
			return;
	}
	int br = size.x;
	int *fc = this->fc + (int)( p.x + (int)p.y * br );
	double x = ta.x + txo * off, y = ta.y + tyo * off;
	int *buffer = textur.getBuffer();
	int txtBr = textur.getBreite();
	int f;
	for( int i = 0; i < len; ++i, ++fc )
	{
		f = buffer[ (int)( (int)( x + 0.5 ) + (int)( y + 0.5 ) * txtBr ) ];
		if( alpha[ alphaAnzahl ] )
		{
			unsigned char *cf = (unsigned char*)&f;
			cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
		}
		alphaPixelP( *fc, f );
		x += txo, y += tyo;
	}
	rend = 1;
}

// nicht constant

// Prüft ob ein Rechteck vollständig oder teilweise in der Zeichen Fläche liegt.
//  return 0, falls das Rechteck nicht in der Zeichenfläche liegt, 1 sonst
bool Bild::isAreaDrawable( int x, int y, int b, int h )
{
    int dpx = dPosA[ doa ].x;
    int dpy = dPosA[ doa ].y;
    int dgx = dSizeA[ doa ].x;
    int dgy = dSizeA[ doa ].y;
    x += drawOff[ doa ].x;
    y += drawOff[ doa ].y;
    if( x + b < dpx || y + h < dpy || x > dgx || y > dgy )
        return 0;
    return 1;
}

// Wird dieser Flag gesetzt, so wird beim Alpha Blending wenn die vorheriege Farbe 0 ist nur die neue mit ihrem Alpha Wert kopiert.
// Das ist sinnvoll für die Verwendung im 3DBildschirm, wo das Gezeichnette Bild später mittels Alpha Blending angezeigt wird
void Bild::setAlpha3D( bool erlaubt )
{
	alpha3D = erlaubt;
}

void Bild::setAlpha( unsigned char alpha ) // setzt die Transparenz der nachfolgenden Zeichnunge
{
	int last = this->alpha[ alphaAnzahl ];
	++alphaAnzahl;
	assert( alphaAnzahl < 1000 );
	this->alpha[ alphaAnzahl ] = (unsigned char)( ( 255 - alpha ) > last ? ( 255 - alpha ) : last );
}

void Bild::releaseAlpha() // Löscht alpha
{
	--alphaAnzahl;
}

void Bild::setPixelBuffer( int *buffer, bool deleteBuffer, int breite, int height ) // setzt den Zeiger auf die Pixel des Bildes
{
	if( delFc )
		delete[]fc;
	fc = buffer;
	delFc = deleteBuffer;
	size.x = breite;
	size.y = height;
	rend = 1;
}

void Bild::neuBild( int breite, int height, int fillColor )
{
	if( fc && delFc )
		delete[] fc;
	size.x = breite;
	size.y = height;
	fc = new int[ size.x * size.y ];
	setFarbe( fillColor );
	drawOff[ 0 ].x = 0;
	drawOff[ 0 ].y = 0;
	dPosA[ 0 ].x = 0;
	dPosA[ 0 ].y = 0;
	dSizeA[ 0 ] = size;
	alphaAnzahl = 0;
	alpha[ 0 ] = 0;
	doa = 0;
	rend = 1;
}

void Bild::setFarbe( int f )
{
	if( ( f & 0xFF ) == ( ( f >> 8 ) & 0xFF ) && ( f & 0xFF ) == ( ( f >> 16 ) & 0xFF ) && ( f & 0xFF ) == ( ( f >> 24 ) & 0xFF ) )
		memset( fc, f, size.x * size.y * 4 );
	else
	{
		for( int *i = fc, *end = i + size.x * size.y; i < end; i++ )
			*i = f;
	}
	rend = 1;
}

void Bild::fillRegion( int x, int y, int b, int h, int ff )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaRegion( x, y, b, h, ff );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + b < dpx || y + h < dpy || x > dgx || y > dgy )
		return;
	if( x < dpx )
	{
		b -= dpx - x;
		x = dpx;
	}
	if( y < dpy )
	{
		h -= dpy - y;
		y = dpy;
	}
	b = ( x + b ) >= dgx ? ( dgx - x ) : b;
	h = ( y + h ) >= dgy ? ( dgy - y ) : h;
	int *pixel = fc + y * size.x + x;
	int *rowEnd = pixel + b;
	for( int i = 0; i < h; pixel += size.x - b, ++i, rowEnd += size.x )
	{
		for( ; pixel < rowEnd; ++pixel )
			*pixel = ff;
	}
	rend = 1;
}

void Bild::alphaRegion( int x, int y, int b, int h, int ff )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + b < dpx || y + h < dpy || x > dgx || y > dgy )
		return;
	if( x < dpx )
	{
		b -= dpx - x;
		x = dpx;
	}
	if( y < dpy )
	{
		h -= dpy - y;
		y = dpy;
	}
	b = ( x + b ) >= dgx ? ( dgx - x ) : b;
	h = ( y + h ) >= dgy ? ( dgy - y ) : h;
	if( alpha[ alphaAnzahl ] )
	{
		unsigned char *cf = (unsigned char*)&ff;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	int *pixel = fc + y * size.x + x;
	int *rowEnd = pixel + b;
	int alpha = ( ( ff >> 24 ) & 0xFF );
	int na = ( 0x100 - alpha );
	int i1 = ( alpha * ( ff & 0xFF00FF ) ) >> 8;
	int i2 = ( alpha * ( ff & 0x00FF00 ) ) >> 8;
	for( int i = 0; i < h; pixel += size.x - b, ++i, rowEnd += size.x )
	{
		for( ; pixel < rowEnd; ++pixel )
		{
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( ( *pixel & 0xFF000000 ) ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * ff;
		}
	}
	rend = 1;
}

void Bild::alphaPixel( int i, int f )
{
	if( !alpha[ alphaAnzahl ] )
		alphaPixelP( fc[ i ], f );
	if( alpha[ alphaAnzahl ] < 0xFF )
	{
		unsigned char *cf = (unsigned char*)&f;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
		alphaPixelP( fc[ i ], f );
		rend = 1;
	}
}

void Bild::alphaPixel( int x, int y, int f )
{
	if( !alpha[ alphaAnzahl ] )
		alphaPixelP( fc[ x + y * size.x ], f );
	if( alpha[ alphaAnzahl ] < 0xFF )
	{
		unsigned char *cf = (unsigned char*)&f;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
		alphaPixelP( fc[ x + y * size.x ], f );
		rend = 1;
	}
}

void Bild::alphaPixelDP( int x, int y, int f )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	if( x < dpx || y < dpy || x > dgx || y > dgy )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		unsigned char *cf = (unsigned char*)&f;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	alphaPixelP( fc[ x + y * size.x ], f );
	rend = 1;
}

void Bild::alphaPixelDP( int i, int f )
{
	int x = i % size.x;
	int y = i / size.x;
	alphaPixelDP( x, y, f );
	rend = 1;
}

void Bild::setPixelDP( int x, int y, int f )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaPixelDP( x, y, f );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	if( x < dpx || y < dpy || x > dgx || y > dgy )
		return;
	fc[ x + y * size.x ] = f;
	rend = 1;
}

void Bild::setPixelDP( int i, int f )
{
	int x = i % size.x;
	int y = i / size.x;
	setPixelDP( x, y, f );
	rend = 1;
}

void Bild::drawLinieH( int x, int y, int len, int f ) // zeichnet eine horizontale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawLinieHAlpha( x, y, len, f );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( y < dpy || y >= dgy )
		return;
	if( x < dpx )
	{
		len -= dpx - x;
		if( len <= 0 )
			return;
		x = dpx;
	}
	if( x + len >= dgx )
	{
		len -= x - dgx + len;
		if( len <= 0 )
			return;
	}
	int br = size.x;
	int *fc = this->fc + x + y * br;
	int pval = len < 0 ? -1 : 1;
	len = len > 0 ? len : -len;
	for( int i = 0; i < len; ++i, fc += pval )
		*fc = f;
	rend = 1;
}

void Bild::drawLinieV( int x, int y, int len, int f ) // zeichnet eine vertikale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawLinieVAlpha( x, y, len, f );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x < dpx || x >= dgx )
		return;
	if( y < dpy )
	{
		len -= dpy - y;
		if( len <= 0 )
			return;
		y = dpy;
	}
	if( y + len >= dgy )
	{
		len -= y - dgy + len;
		if( len < 0 )
			return;
	}
	int br = size.x;
	int *fc = this->fc + x + y * br;
	int pval = len < 0 ? -br : br;
	len = len > 0 ? len : -len;
	for( int i = 0; i < len; ++i, fc += pval )
		*fc = f;
	rend = 1;
}

void Bild::drawLinieHAlpha( int x, int y, int len, int f ) // zeichnet eine horizontale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( y < dpy || y >= dgy )
		return;
	if( x < dpx )
	{
		len -= dpx - x;
		if( len <= 0 )
			return;
		x = dpx;
	}
	if( x + len >= dgx )
	{
		len -= x - dgx + len;
		if( len <= 0 )
			return;
	}
	int br = size.x;
	int pval = len < 0 ? -1 : 1;
	len = len > 0 ? len : -len;
	int end = 0;
	if( alpha[ alphaAnzahl ] )
	{
		unsigned char *cf = (unsigned char*)&f;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	int alpha = ( ( f >> 24 ) & 0xFF );
	int na = ( 0x100 - alpha );
	int i1 = ( alpha * ( f & 0xFF00FF ) ) >> 8;
	int i2 = ( alpha * ( f & 0x00FF00 ) ) >> 8;
	for( int i = x + y * br; end < len; ++end, i += pval )
	{
		fc[ i ] = ( ( ( ( ( na * ( fc[ i ] & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
			( ( ( ( na * ( fc[ i ] & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					( ( fc[ i ] & 0xFF000000 ) ) ) * ( fc[ i ] != 0 || !alpha3D ) | ( fc[ i ] == 0 && alpha3D ) * f;
	}
	rend = 1;
}

void Bild::drawLinieVAlpha( int x, int y, int len, int f ) // zeichnet eine vertikale Linie
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x < dpx || x >= dgx )
		return;
	if( y < dpy )
	{
		len -= dpy - y;
		if( len <= 0 )
			return;
		y = dpy;
	}
	if( y + len >= dgy )
	{
		len -= y - dgy + len;
		if( len < 0 )
			return;
	}
	int br = size.x;
	int pval = len < 0 ? -br : br;
	len = len > 0 ? len : -len;
	int end = 0;
	if( alpha[ alphaAnzahl ] )
	{
		unsigned char *cf = (unsigned char*)&f;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	int alpha = ( ( f >> 24 ) & 0xFF );
	int na = ( 0x100 - alpha );
	int i1 = ( alpha * ( f & 0xFF00FF ) ) >> 8;
	int i2 = ( alpha * ( f & 0x00FF00 ) ) >> 8;
	for( int i = x + y * br; end < len; ++end, i += pval )
	{
		fc[ i ] = ( ( ( ( ( na * ( fc[ i ] & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
			( ( ( ( na * ( fc[ i ] & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					( fc[ i ] & 0xFF000000 ) ) * ( fc[ i ] != 0 || !alpha3D ) | ( fc[ i ] == 0 && alpha3D ) * f;
	}
	rend = 1;
}

void Bild::drawLinie( Punkt a, Punkt b, int fc ) // zeichnet eine Linie von Punkt( x1, y1 ) nach Punke( x2, y2 )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawLinieAlpha( a, b, fc );
		return;
	}
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	char outCode1 = getOutCode( a );
	char outCode2 = getOutCode( b );
	bool ok = 0;
	while( 1 )
	{
		int xMax = dSizeA[ doa ].x - 1;
		int yMax = dSizeA[ doa ].y - 1;
		if( !( outCode1 | outCode2 ) )
		{
			ok = 1;
			break;
		}
		else if( outCode1 & outCode2 )
			break;
		else
		{
			int x = 0, y = 0;
			char outCodeOut = outCode1 ? outCode1 : outCode2;
			if( outCodeOut & 8 )
			{
				x = (int)( a.x + ( b.x - a.x ) * ( yMax - a.y ) / ( b.y - a.y ) + 0.5 );
				y = yMax;
			}
			else if( outCodeOut & 4 )
			{
				x = (int)( a.x + ( b.x - a.x ) * ( dPosA[ doa ].y - a.y ) / ( b.y - a.y ) + 0.5 );
				y = dPosA[ doa ].y;
			}
			else if( outCodeOut & 2 )
			{
				y = (int)( a.y + ( b.y - a.y ) * ( xMax - a.x ) / ( b.x - a.x ) + 0.5 );
				x = xMax;
			}
			else if( outCodeOut & 1 )
			{
				y = (int)( a.y + ( b.y - a.y ) * ( dPosA[ doa ].x - a.x ) / ( b.x - a.x ) + 0.5 );
				x = dPosA[ doa ].x;
			}
			if( outCodeOut == outCode1 )
			{
				a.x = x;
				a.y = y;
				outCode1 = getOutCode( a );
			}
			else
			{
				b.x = x;
				b.y = y;
				outCode2 = getOutCode( b );
			}
		}
	}
	if( ok )
	{
		int xlen = b.x - a.x, axlen = abs( xlen );
		int ylen = b.y - a.y, aylen = abs( ylen );
		double xf = (double)xlen / ( aylen ? aylen : 1 );
		double yf = (double)ylen / ( axlen ? axlen : 1 );
		if( axlen > aylen )
			xf = xf < 0 ? -1 : 1;
		else
			yf = yf < 0 ? -1 : 1;
		double x = (double)a.x, y = (double)a.y;
		int maxP = (int)( sqrt( xlen * xlen + ylen * ylen ) + 0.5 );
		int count = 0;
		while( !( (int)( x + 0.5 ) == b.x && (int)( y + 0.5 ) == b.y ) && count < maxP )
		{
			++count;
			this->fc[ (int)( (int)( x + 0.5 ) + (int)( y + 0.5 ) * size.x ) ] = fc;
			x += xf, y += yf;
		}
		rend = 1;
	}
}

void Bild::drawLinieAlpha( Punkt a, Punkt b, int fc )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	char outCode1 = getOutCode( a );
	char outCode2 = getOutCode( b );
	bool ok = 0;
	while( 1 )
	{
		int xMax = dSizeA[ doa ].x - 1;
		int yMax = dSizeA[ doa ].y - 1;
		if( !( outCode1 | outCode2 ) )
		{
			ok = 1;
			break;
		}
		else if( outCode1 & outCode2 )
			break;
		else
		{
			int x = 0, y = 0;
			char outCodeOut = outCode1 ? outCode1 : outCode2;
			if( outCodeOut & 8 )
			{
				x = (int)( a.x + ( b.x - a.x ) * ( yMax - a.y ) / ( b.y - a.y ) + 0.5 );
				y = yMax;
			}
			else if( outCodeOut & 4 )
			{
				x = (int)( a.x + ( b.x - a.x ) * ( dPosA[ doa ].y - a.y ) / ( b.y - a.y ) + 0.5 );
				y = dPosA[ doa ].y;
			}
			else if( outCodeOut & 2 )
			{
				y = (int)( a.y + ( b.y - a.y ) * ( xMax - a.x ) / ( b.x - a.x ) + 0.5 );
				x = xMax;
			}
			else if( outCodeOut & 1 )
			{
				y = (int)( a.y + ( b.y - a.y ) * ( dPosA[ doa ].x - a.x ) / ( b.x - a.x ) + 0.5 );
				x = dPosA[ doa ].x;
			}
			if( outCodeOut == outCode1 )
			{
				a.x = x;
				a.y = y;
				outCode1 = getOutCode( a );
			}
			else
			{
				b.x = x;
				b.y = y;
				outCode2 = getOutCode( b );
			}
		}
	}
	if( ok )
	{
		int xlen = b.x - a.x, axlen = abs( xlen );
		int ylen = b.y - a.y, aylen = abs( ylen );
		double xf = (double)xlen / ( aylen ? aylen : 1 );
		double yf = (double)ylen / ( axlen ? axlen : 1 );
		if( axlen > aylen )
			xf = xf < 0 ? -1 : 1;
		else
			yf = yf < 0 ? -1 : 1;
		double x = (double)a.x, y = (double)a.y;
		if( alpha[ alphaAnzahl ] )
		{
			unsigned char *cf = (unsigned char*)&fc;
			cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
		}
		int maxP = (int)( sqrt( xlen * xlen + ylen * ylen ) + 0.5 );
		int count = 0;
		int alpha = ( ( fc >> 24 ) & 0xFF );
		int na = ( 0x100 - alpha );
		int i1 = ( alpha * ( fc & 0xFF00FF ) ) >> 8;
		int i2 = ( alpha * ( fc & 0x00FF00 ) ) >> 8;
		while( !( (int)( x + 0.5 ) == b.x && (int)( y + 0.5 ) == b.y ) && count < maxP )
		{
			++count;
			int &pixel = this->fc[ (int)( x + 0.5 ) + (int)( y + 0.5 ) * size.x ];
			pixel = ( ( ( ( ( na * ( pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					  ( pixel & 0xFF000000 ) ) * ( pixel != 0 || !alpha3D ) | ( pixel == 0 && alpha3D ) * fc;
			x += xf, y += yf;
		}
		rend = 1;
	}
}

void Bild::fillCircle( int xOff, int yOff, int r, int fc ) // zeichnet einen Kreis um Punkt( xOff, yOff ) mit radius r
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	for( int i = r; i > 0; i-- )
		drawKreis( xOff, yOff, i, fc );
}

void Bild::drawKreis( int xOff, int yOff, int r, int fc ) // zeichnet einen Kreis um Punkt( xOff, yOff ) mit radius r
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawKreisAlpha( xOff, yOff, r, fc );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	xOff += drawOff[ doa ].x;
	yOff += drawOff[ doa ].y;
	if( xOff + r < dpx || xOff - r >= dgx || yOff + r < dpy || yOff - r >= dgy )
		return;
	for( int a = 0; a < r; ++a )
	{
		int b = (int)( sqrt( (long)( r * r - a * a ) ) + 0.5 );
		if( xOff + a < dgx && xOff + a > dpx && yOff + b < dgy && yOff + b > dpy )
			this->fc[ xOff + a + ( yOff + b ) * size.x ] = fc;
		if( xOff - a < dgx && xOff - a > dpx && yOff + b < dgy && yOff + b > dpy )
			this->fc[ xOff - a + ( yOff + b ) * size.x ] = fc;
		if( xOff + a < dgx && xOff + a > dpx && yOff - b < dgy && yOff - b > dpy )
			this->fc[ xOff + a + ( yOff - b ) * size.x ] = fc;
		if( xOff - a < dgx && xOff - a > dpx && yOff - b < dgy && yOff - b > dpy )
			this->fc[ xOff - a + ( yOff - b ) * size.x ] = fc;
		if( xOff + b < dgx && xOff + b > dpx && yOff + a < dgy && yOff + a > dpy )
			this->fc[ xOff + b + ( yOff + a ) * size.x ] = fc;
		if( xOff - b < dgx && xOff - b > dpx && yOff + a < dgy && yOff + a > dpy )
			this->fc[ xOff - b + ( yOff + a ) * size.x ] = fc;
		if( xOff + b < dgx && xOff + b > dpx && yOff - a < dgy && yOff - a > dpy )
			this->fc[ xOff + b + ( yOff - a ) * size.x ] = fc;
		if( xOff - b < dgx && xOff - b > dpx && yOff - a < dgy && yOff - a > dpy )
			this->fc[ xOff - b + ( yOff - a ) * size.x ] = fc;
	}
	rend = 1;
}

void Bild::drawKreisAlpha( int xOff, int yOff, int r, int fc )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	xOff += drawOff[ doa ].x;
	yOff += drawOff[ doa ].y;
	if( xOff + r < dpx || xOff - r >= dgx || yOff + r < dpy || yOff - r >= dgy )
		return;
	if( alpha[ alphaAnzahl ] < 0xFF )
	{
		unsigned char *cf = (unsigned char*)&fc;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	int alpha = ( ( fc >> 24 ) & 0xFF );
	int na = ( 0x100 - alpha );
	int i1 = ( alpha * ( fc & 0xFF00FF ) ) >> 8;
	int i2 = ( alpha * ( fc & 0x00FF00 ) ) >> 8;
	for( int a = 0; a < r; ++a )
	{
		int b = (int)( sqrt( (long)( r * r - a * a ) ) + 0.5 );
		int *pixel = 0;
		if( xOff + a < dgx && xOff + a > dpx && yOff + b < dgy && yOff + b > dpy )
		{
			pixel = &this->fc[ xOff + a + ( yOff + b ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff - a < dgx && xOff - a > dpx && yOff + b < dgy && yOff + b > dpy )
		{
			pixel = &this->fc[ xOff - a + ( yOff + b ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff + a < dgx && xOff + a > dpx && yOff - b < dgy && yOff - b > dpy )
		{
			pixel = &this->fc[ xOff + a + ( yOff - b ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff - a < dgx && xOff - a > dpx && yOff - b < dgy && yOff - b > dpy )
		{
			pixel = &this->fc[ xOff - a + ( yOff - b ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff + b < dgx && xOff + b > dpx && yOff + a < dgy && yOff + a > dpy )
		{
			pixel = &this->fc[ xOff + b + ( yOff + a ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff - b < dgx && xOff - b > dpx && yOff + a < dgy && yOff + a > dpy )
		{
			pixel = &this->fc[ xOff - b + ( yOff + a ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff + b < dgx && xOff + b > dpx && yOff - a < dgy && yOff - a > dpy )
		{
			pixel = &this->fc[ xOff + b + ( yOff - a ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
		if( xOff - b < dgx && xOff - b > dpx && yOff - a < dgy && yOff - a > dpy )
		{
			pixel = &this->fc[ xOff - b + ( yOff - a ) * size.x ];
			*pixel = ( ( ( ( ( na * ( *pixel & 0xFF00FF ) ) >> 8 ) + i1 ) & 0xFF00FF ) |
				( ( ( ( na * ( *pixel & 0x00FF00 ) ) >> 8 ) + i2 ) & 0x00FF00 ) |
					   ( *pixel & 0xFF000000 ) ) * ( *pixel != 0 || !alpha3D ) | ( *pixel == 0 && alpha3D ) * fc;
		}
	}
	rend = 1;
}

void Bild::drawBild( int x, int y, int br, int hi, Bild &zBild ) // zeichet zBild
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaBild( x, y, br, hi, zBild );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int xx, ygr, ygr2;
	for( int yy = yst2; yy < dgy; ++yy )
	{
		ygr = yy * size.x;
		ygr2 = ( yy - yst2 + yst ) * bb;
		for( xx = xst2; xx < dgx; ++xx )
			fc[ xx + ygr ] = ff[ ( xx - xst2 + xst ) + ygr2 ];
	}
	rend = 1;
}

void Bild::alphaBild( int x, int y, int br, int hi, Bild &zBild )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	if( !alpha[ alphaAnzahl ] )
	{
		int xx, ygr, ygr2;
		for( int yy = yst2; yy < dgy; ++yy )
		{
			ygr = yy * size.x;
			ygr2 = ( yy - yst2 + yst ) * bb;
			for( xx = xst2; xx < dgx; ++xx )
				alphaPixelP( fc[ xx + ygr ], ff[ ( xx - xst2 + xst ) + ygr2 ] );
		}
	}
	else
	{
		int xx, ygr, ygr2;
		for( int yy = yst2; yy < dgy; ++yy )
		{
			ygr = yy * size.x;
			ygr2 = ( yy - yst2 + yst ) * bb;
			for( xx = xst2; xx < dgx; ++xx )
			{
				int fc = ff[ ( xx - xst2 + xst ) + ygr2 ];
				unsigned char *cf = (unsigned char*)&fc;
				cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
				alphaPixelP( this->fc[ xx + ygr ], fc );
			}
		}
	}
	rend = 1;
}

void Bild::drawBild90( int x, int y, int br, int hi, Bild &zBild ) // Zeichnet ein um 90 Grad nach rchts gedrehtes Bild
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaBild90( x, y, br, hi, zBild );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + hi < dpx || y + br < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + hi, dgx );
	dgy = minInt( y + br, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int yy, xbb;
	for( int xx = xst2; xx < dgx; ++xx )
	{
		xbb = ( zBild.getHeight() - ( xx - xst2 + xst + 1 ) ) * bb;
		for( yy = yst2; yy < dgy; ++yy )
			fc[ xx + yy * size.x ] = ff[ ( yy - yst2 + yst ) + xbb ];
	}
	rend = 1;
}

void Bild::alphaBild90( int x, int y, int br, int hi, Bild &zBild )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + hi < dpx || y + br < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + hi, dgx );
	dgy = minInt( y + br, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	if( !alpha[ alphaAnzahl ] )
	{
		int yy, xbb;
		for( int xx = xst2; xx < dgx; ++xx )
		{
			xbb = ( zBild.getHeight() - ( xx - xst2 + xst + 1 ) ) * bb;
			for( yy = yst2; yy < dgy; ++yy )
				alphaPixelP( xx, yy, ff[ ( yy - yst2 + yst ) + xbb ] );
		}
	}
	else
	{
		int yy, xbb;
		for( int xx = xst2; xx < dgx; ++xx )
		{
			xbb = ( zBild.getHeight() - ( xx - xst2 + xst + 1 ) ) * bb;
			for( yy = yst2; yy < dgy; ++yy )
			{
				int fc = ff[ ( yy - yst2 + yst ) + xbb ];
				unsigned char *cf = (unsigned char*)&fc;
				cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
				alphaPixelP( xx, yy, fc );
			}
		}
	}
	rend = 1;
}

void Bild::drawBild180( int x, int y, int br, int hi, Bild &zBild ) // Zeichnet ein um 180 Grad nach rchts gedrehtes Bild
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaBild180( x, y, br, hi, zBild );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int xx, ygr, ybb;
	for( int yy = yst2; yy < dgy; ++yy )
	{
		ygr = yy * size.x;
		ybb = ( zBild.getHeight() - ( yy - yst2 + yst + 1 ) ) * bb;
		for( xx = xst2; xx < dgx; ++xx )
			fc[ xx + ygr ] = ff[ ( bb - ( xx - xst2 + xst + 1 ) ) + ybb ];
	}
	rend = 1;
}

void Bild::alphaBild180( int x, int y, int br, int hi, Bild &zBild )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	if( !alpha[ alphaAnzahl ] )
	{
		int xx, ygr, ybb;
		for( int yy = yst2; yy < dgy; ++yy )
		{
			ygr = yy * size.x;
			ybb = ( zBild.getHeight() - ( yy - yst2 + yst + 1 ) ) * bb;
			for( xx = xst2; xx < dgx; ++xx )
				alphaPixelP( fc[ xx + ygr ], ff[ ( bb - ( xx - xst2 + xst + 1 ) ) + ybb ] );
		}
	}
	else
	{
		int xx, ygr, ybb;
		for( int yy = yst2; yy < dgy; ++yy )
		{
			ygr = yy * size.x;
			ybb = ( zBild.getHeight() - ( yy - yst2 + yst + 1 ) ) * bb;
			for( xx = xst2; xx < dgx; ++xx )
			{
				int fc = ff[ ( bb - ( xx - xst2 + xst + 1 ) ) + ybb ];
				unsigned char *cf = (unsigned char*)&fc;
				cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
				alphaPixelP( this->fc[ xx + ygr ], fc );
			}
		}
	}
	rend = 1;
}

void Bild::drawBild270( int x, int y, int br, int hi, Bild &zBild ) // Zeichnet ein um 270 Grad nach rchts gedrehtes Bild
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaBild270( x, y, br, hi, zBild );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + hi < dpx || y + br < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getHeight() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + hi, dgx );
	dgy = minInt( y + br, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int yy, xbb;
	for( int xx = xst2; xx < dgx; ++xx )
	{
		xbb = ( xx - xst2 + xst ) * bb;
		for( yy = yst2; yy < dgy; ++yy )
			fc[ xx + yy * size.x ] = ff[ ( bb - ( yy - yst2 + yst + 1 ) ) + xbb ];
	}
	rend = 1;
}

void Bild::alphaBild270( int x, int y, int br, int hi, Bild &zBild )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + hi < dpx || y + br < dpy || x > dgx || y > dgy )
		return;
	br = minInt( br, zBild.getBreite() );
	hi = minInt( hi, zBild.getBreite() );
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + hi, dgx );
	dgy = minInt( y + br, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	if( !alpha[ alphaAnzahl ] )
	{
		int yy, xbb;
		for( int xx = xst2; xx < dgx; ++xx )
		{
			xbb = ( xx - xst2 + xst ) * bb;
			for( yy = yst2; yy < dgy; ++yy )
				alphaPixelP( xx, yy, ff[ ( bb - ( yy - yst2 + yst + 1 ) ) + xbb ] );
		}
	}
	else
	{
		int yy, xbb;
		for( int xx = xst2; xx < dgx; ++xx )
		{
			xbb = ( xx - xst2 + xst ) * bb;
			for( yy = yst2; yy < dgy; ++yy )
			{
				int fc = ff[ ( bb - ( yy - yst2 + yst + 1 ) ) + xbb ];
				unsigned char *cf = (unsigned char*)&fc;
				cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
				alphaPixelP( xx, yy, fc );
			}
		}
	}
	rend = 1;
}

void Bild::drawBildSkall( int x, int y, int br, int hi, Bild &zBild ) // zeichet zBild Skalliert
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		alphaBildSkall( x, y, br, hi, zBild );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	double xo = zBild.getBreite() / (double)br;
	double yo = zBild.getHeight() / (double)hi;
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int xx, ygr, ygr2;
	double xb = 0, yb = yst * yo;
	for( int yy = yst2; yy < dgy; ++yy, yb += yo )
	{
		ygr = yy * size.x;
		ygr2 = (int)( ( yy - yst2 + yst ) * yo ) * bb;
		for( xx = xst2, xb = xst * xo; xx < dgx; ++xx, xb += xo )
			fc[ xx + ygr ] = ff[ (int)xb + ygr2 ];
	}
	rend = 1;
}

void Bild::alphaBildSkall( int x, int y, int br, int hi, Bild &zBild )
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	x += drawOff[ doa ].x;
	y += drawOff[ doa ].y;
	if( x + br < dpx || y + hi < dpy || x > dgx || y > dgy )
		return;
	double xo = zBild.getBreite() / (double)br;
	double yo = zBild.getHeight() / (double)hi;
	int xst = maxInt( dpx - x, 0 );
	int yst = maxInt( dpy - y, 0 );
	int xst2 = maxInt( x, dpx );
	int yst2 = maxInt( y, dpy );
	dgx = minInt( x + br, dgx );
	dgy = minInt( y + hi, dgy );
	int bb = zBild.getBreite();
	int *ff = zBild.getBuffer();
	int xx, ygr, ygr2;
	double xb = 0;
	for( int yy = yst2; yy < dgy; ++yy )
	{
		ygr = yy * size.x;
		ygr2 = (int)( ( yy - yst2 + yst ) * yo ) * bb;
		for( xx = xst2, xb = xst * xo; xx < dgx; ++xx, xb += xo )
		{
			int f = ff[ (int)xb + ygr2 ];
			unsigned char *cf = (unsigned char*)&f;
			cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
			alphaPixelP( fc[ xx + ygr ], f );
		}
	}
	rend = 1;
}

void Bild::drawDreieck( Punkt a, Punkt b, Punkt c, int farbe ) // füllt eine Dreieck aus
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawDreieckAlpha( a, b, c, farbe );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	c += drawOff[ doa ];
	if( ( a.x < dpx && b.x < dpx && c.x < dpx ) || ( a.y < dpy && b.y < dpy && c.y < dpy ) ||
		( a.x > dgx && b.x > dgx && c.x > dgx ) || ( a.y > dgy && b.y > dgy && c.y > dgy ) )
		return;
	if( b.y < a.y )
		a.Swap( b );
	if( c.y < b.y )
		b.Swap( c );
	if( b.y < a.y )
		a.Swap( b );
	if( a.y == b.y )
	{
		if( b.x < a.x )
			a.Swap( b );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		const float m3 = (float)( b.x - c.x ) / (float)( b.y - c.y );
		float b2 = (float)a.x - m2 * (float)a.y;
		float b3 = (float)b.x - m3 * (float)b.y;
		drawFlatDreieck( b.y, c.y, m2, b2, m3, b3, farbe );
	}
	else if( b.y == c.y )
	{
		if( c.x < b.x )
			b.Swap( c );
		const float m1 = (float)( a.x - b.x ) / (float)( a.y - b.y );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		float b1 = (float)a.x - m1 * (float)a.y;
		float b2 = (float)a.x - m2 * (float)a.y;
		drawFlatDreieck( a.y, b.y, m1, b1, m2, b2, farbe );
	}
	else
	{
		const float m1 = (float)( a.x - b.x ) / (float)( a.y - b.y );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		const float m3 = (float)( b.x - c.x ) / (float)( b.y - c.y );
		float b1 = (float)a.x - m1 * (float)a.y;
		float b2 = (float)a.x - m2 * (float)a.y;
		float b3 = (float)b.x - m3 * (float)b.y;
		const float qx = m2 * (float)b.y + b2;
		if( qx < b.x )
		{
			drawFlatDreieck( a.y, b.y, m2, b2, m1, b1, farbe );
			drawFlatDreieck( b.y, c.y, m2, b2, m3, b3, farbe );
		}
		else
		{
			drawFlatDreieck( a.y, b.y, m1, b1, m2, b2, farbe );
			drawFlatDreieck( b.y, c.y, m3, b3, m2, b2, farbe );
		}
	}
	rend = 1;
}

void Bild::drawDreieckTextur( Punkt a, Punkt b, Punkt c, Punkt ta, Punkt tb, Punkt tc, Bild &textur ) // füllt eine Dreieck aus
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		drawDreieckTexturAlpha( a, b, c, ta, tb, tc, textur );
		return;
	}
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	c += drawOff[ doa ];
	if( ( a.x < dpx && b.x < dpx && c.x < dpx ) || ( a.y < dpy && b.y < dpy && c.y < dpy ) ||
		( a.x > dgx && b.x > dgx && c.x > dgx ) || ( a.y > dgy && b.y > dgy && c.y > dgy ) )
		return;
	if( b.y < a.y )
	{
		a.Swap( b );
		ta.Swap( tb );
	}
	if( c.y < b.y )
	{
		b.Swap( c );
		tb.Swap( tc );
	}
	if( b.y < a.y )
	{
		a.Swap( b );
		ta.Swap( tb );
	}
	const double m1 = (double)( a.x - b.x ) / ( a.y - b.y );
	const double m2 = (double)( a.x - c.x ) / ( a.y - c.y );
	const double m3 = (double)( b.x - c.x ) / ( b.y - c.y );
	double b1 = a.x - m1 * a.y;
	double b2 = a.x - m2 * a.y;
	double b3 = b.x - m3 * b.y;
	const double qx = m2 * b.y + b2;
	if( qx < b.x )
	{
		double tx1o, ty1o, tx2o, ty2o;
		if( c.y - a.y )
		{
			tx1o = (double)( tc.x - ta.x ) / ( c.y - a.y );
			ty1o = (double)( tc.y - ta.y ) / ( c.y - a.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		if( b.y - a.y )
		{
			tx2o = (double)( tb.x - ta.x ) / ( b.y - a.y );
			ty2o = (double)( tb.y - ta.y ) / ( b.y - a.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		Vec2< double > q( ta.x + tx1o * ( b.y - a.y ), ta.y + ty1o * ( b.y - a.y ) );
		double txf, tyf;
		if( b.x - qx )
		{
			txf = ( tb.x - q.x ) / ( b.x - qx );
			tyf = ( tb.y - q.y ) / ( b.x - qx );
		}
		else
		{
			txf = 0;
			tyf = 0;
		}
		drawFlatDreieckTextur( a.y, b.y, m2, b2, m1, b1, ta.x, ta.y, ta.x, ta.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
		if( c.y - b.y )
		{
			tx2o = (double)( tc.x - tb.x ) / ( c.y - b.y );
			ty2o = (double)( tc.y - tb.y ) / ( c.y - b.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		drawFlatDreieckTextur( b.y, c.y, m2, b2, m3, b3, q.x, q.y, tb.x, tb.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
	}
	else
	{
		double tx1o, ty1o, tx2o, ty2o;
		if( b.y - a.y )
		{
			tx1o = (double)( tb.x - ta.x ) / ( b.y - a.y );
			ty1o = (double)( tb.y - ta.y ) / ( b.y - a.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		if( c.y - a.y )
		{
			tx2o = (double)( tc.x - ta.x ) / ( c.y - a.y );
			ty2o = (double)( tc.y - ta.y ) / ( c.y - a.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		Vec2< double > q( ta.x + tx2o * ( b.y - a.y ), ta.y + ty2o * ( b.y - a.y ) );
		double txf, tyf;
		if( qx - b.x )
		{
			txf = ( q.x - tb.x ) / ( qx - b.x );
			tyf = ( q.y - tb.y ) / ( qx - b.x );
		}
		else
		{
			txf = 0;
			tyf = 0;
		}
		drawFlatDreieckTextur( a.y, b.y, m1, b1, m2, b2, ta.x, ta.y, ta.x, ta.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
		if( c.y - b.y )
		{
			tx1o = (double)( tc.x - tb.x ) / ( c.y - b.y );
			ty1o = (double)( tc.y - tb.y ) / ( c.y - b.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		drawFlatDreieckTextur( b.y, c.y, m3, b3, m2, b2, tb.x, tb.y, q.x, q.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
	}
	rend = 1;
}

void Bild::drawDreieckAlpha( Punkt a, Punkt b, Punkt c, int farbe ) // füllt eine Dreieck aus
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	c += drawOff[ doa ];
	if( ( a.x < dpx && b.x < dpx && c.x < dpx ) || ( a.y < dpy && b.y < dpy && c.y < dpy ) ||
		( a.x > dgx && b.x > dgx && c.x > dgx ) || ( a.y > dgy && b.y > dgy && c.y > dgy ) )
		return;
	if( alpha[ alphaAnzahl ] )
	{
		unsigned char *cf = (unsigned char*)&farbe;
		cf[ 3 ] = (unsigned char)( ( cf[ 3 ] > alpha[ alphaAnzahl ] ) * ( cf[ 3 ] - alpha[ alphaAnzahl ] ) );
	}
	if( b.y < a.y )
		a.Swap( b );
	if( c.y < b.y )
		b.Swap( c );
	if( b.y < a.y )
		a.Swap( b );
	if( a.y == b.y )
	{
		if( b.x < a.x )
			a.Swap( b );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		const float m3 = (float)( b.x - c.x ) / (float)( b.y - c.y );
		float b2 = (float)a.x - m2 * (float)a.y;
		float b3 = (float)b.x - m3 * (float)b.y;
		drawFlatDreieckAlpha( b.y, c.y, m2, b2, m3, b3, farbe );
	}
	else if( b.y == c.y )
	{
		if( c.x < b.x )
			b.Swap( c );
		const float m1 = (float)( a.x - b.x ) / (float)( a.y - b.y );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		float b1 = (float)a.x - m1 * (float)a.y;
		float b2 = (float)a.x - m2 * (float)a.y;
		drawFlatDreieckAlpha( a.y, b.y, m1, b1, m2, b2, farbe );
	}
	else
	{
		const float m1 = (float)( a.x - b.x ) / (float)( a.y - b.y );
		const float m2 = (float)( a.x - c.x ) / (float)( a.y - c.y );
		const float m3 = (float)( b.x - c.x ) / (float)( b.y - c.y );
		float b1 = (float)a.x - m1 * (float)a.y;
		float b2 = (float)a.x - m2 * (float)a.y;
		float b3 = (float)b.x - m3 * (float)b.y;
		const float qx = m2 * (float)b.y + b2;
		if( qx < b.x )
		{
			drawFlatDreieckAlpha( a.y, b.y, m2, b2, m1, b1, farbe );
			drawFlatDreieckAlpha( b.y, c.y, m2, b2, m3, b3, farbe );
		}
		else
		{
			drawFlatDreieckAlpha( a.y, b.y, m1, b1, m2, b2, farbe );
			drawFlatDreieckAlpha( b.y, c.y, m3, b3, m2, b2, farbe );
		}
	}
	rend = 1;
}

void Bild::drawDreieckTexturAlpha( Punkt a, Punkt b, Punkt c, Punkt ta, Punkt tb, Punkt tc, Bild &textur ) // füllt eine Dreieck aus
{
	if( alpha[ alphaAnzahl ] == 0xFF )
		return;
	int dpx = dPosA[ doa ].x;
	int dpy = dPosA[ doa ].y;
	int dgx = dSizeA[ doa ].x;
	int dgy = dSizeA[ doa ].y;
	a += drawOff[ doa ];
	b += drawOff[ doa ];
	c += drawOff[ doa ];
	if( ( a.x < dpx && b.x < dpx && c.x < dpx ) || ( a.y < dpy && b.y < dpy && c.y < dpy ) ||
		( a.x > dgx && b.x > dgx && c.x > dgx ) || ( a.y > dgy && b.y > dgy && c.y > dgy ) )
		return;
	if( b.y < a.y )
	{
		a.Swap( b );
		ta.Swap( tb );
	}
	if( c.y < b.y )
	{
		b.Swap( c );
		tb.Swap( tc );
	}
	if( b.y < a.y )
	{
		a.Swap( b );
		ta.Swap( tb );
	}
	const double m1 = (double)( a.x - b.x ) / ( a.y - b.y );
	const double m2 = (double)( a.x - c.x ) / ( a.y - c.y );
	const double m3 = (double)( b.x - c.x ) / ( b.y - c.y );
	double b1 = a.x - m1 * a.y;
	double b2 = a.x - m2 * a.y;
	double b3 = b.x - m3 * b.y;
	const double qx = m2 * b.y + b2;
	if( qx < b.x )
	{
		double tx1o, ty1o, tx2o, ty2o;
		if( c.y - a.y )
		{
			tx1o = (double)( tc.x - ta.x ) / ( c.y - a.y );
			ty1o = (double)( tc.y - ta.y ) / ( c.y - a.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		if( b.y - a.y )
		{
			tx2o = (double)( tb.x - ta.x ) / ( b.y - a.y );
			ty2o = (double)( tb.y - ta.y ) / ( b.y - a.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		Vec2< double > q( ta.x + tx1o * ( b.y - a.y ), ta.y + ty1o * ( b.y - a.y ) );
		double txf, tyf;
		if( b.x - qx )
		{
			txf = ( tb.x - q.x ) / ( b.x - qx );
			tyf = ( tb.y - q.y ) / ( b.x - qx );
		}
		else
		{
			txf = 0;
			tyf = 0;
		}
		drawFlatDreieckTexturAlpha( a.y, b.y, m2, b2, m1, b1, ta.x, ta.y, ta.x, ta.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
		if( c.y - b.y )
		{
			tx2o = (double)( tc.x - tb.x ) / ( c.y - b.y );
			ty2o = (double)( tc.y - tb.y ) / ( c.y - b.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		drawFlatDreieckTexturAlpha( b.y, c.y, m2, b2, m3, b3, q.x, q.y, tb.x, tb.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
	}
	else
	{
		double tx1o, ty1o, tx2o, ty2o;
		if( b.y - a.y )
		{
			tx1o = (double)( tb.x - ta.x ) / ( b.y - a.y );
			ty1o = (double)( tb.y - ta.y ) / ( b.y - a.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		if( c.y - a.y )
		{
			tx2o = (double)( tc.x - ta.x ) / ( c.y - a.y );
			ty2o = (double)( tc.y - ta.y ) / ( c.y - a.y );
		}
		else
		{
			tx2o = 0;
			ty2o = 0;
		}
		Vec2< double > q( ta.x + tx2o * ( b.y - a.y ), ta.y + ty2o * ( b.y - a.y ) );
		double txf, tyf;
		if( qx - b.x )
		{
			txf = ( q.x - tb.x ) / ( qx - b.x );
			tyf = ( q.y - tb.y ) / ( qx - b.x );
		}
		else
		{
			txf = 0;
			tyf = 0;
		}
		drawFlatDreieckTexturAlpha( a.y, b.y, m1, b1, m2, b2, ta.x, ta.y, ta.x, ta.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
		if( c.y - b.y )
		{
			tx1o = (double)( tc.x - tb.x ) / ( c.y - b.y );
			ty1o = (double)( tc.y - tb.y ) / ( c.y - b.y );
		}
		else
		{
			tx1o = 0;
			ty1o = 0;
		}
		drawFlatDreieckTexturAlpha( b.y, c.y, m3, b3, m2, b2, tb.x, tb.y, q.x, q.y, tx1o, ty1o, tx2o, ty2o, txf, tyf, textur );
	}
	rend = 1;
}

bool Bild::setDrawOptions( const Punkt &pos, const Punkt &gr ) // setzt die Drawoptionen
{
	int dx = drawOff[ doa ].x, dy = drawOff[ doa ].y;
	int xx = dPosA[ doa ].x, yy = dPosA[ doa ].y;
	int bb = dSizeA[ doa ].x, hh = dSizeA[ doa ].y;
	if( dx + pos.x + gr.x < 0 || dy + pos.y + gr.y < 0 || dx + pos.x >= size.x || dy + pos.y >= size.y )
		return 0;
	if( pos.x + gr.x + dx < xx || pos.y + gr.y + dy < yy || dx + pos.x >= bb || dy + pos.y >= hh )
		return 0;
	++doa;
	assert( doa < 2000 );
	dPosA[ doa ].x = maxInt( pos.x + dx, xx );
	dPosA[ doa ].y = maxInt( pos.y + dy, yy );
	dSizeA[ doa ].x = minInt( pos.x + gr.x + dx, bb );
	dSizeA[ doa ].y = minInt( pos.y + gr.y + dy, hh );
	drawOff[ doa ].x = dx + pos.x;
	drawOff[ doa ].y = dy + pos.y;
	return 1;
}

bool Bild::setDrawOptions( int x, int y, int br, int hi )
{
	int dx = drawOff[ doa ].x, dy = drawOff[ doa ].y;
	int xx = dPosA[ doa ].x, yy = dPosA[ doa ].y;
	int bb = dSizeA[ doa ].x, hh = dSizeA[ doa ].y;
	if( dx + x + br < 0 || dy + y + hi < 0 || dx + x >= size.x || dy + y >= size.y )
		return 0;
	if( x + br + dx < xx || y + hi + dy < yy || dx + x >= bb || dy + y >= hh )
		return 0;
	++doa;
	assert( doa < 2000 );
	dPosA[ doa ].x = maxInt( x + dx, xx );
	dPosA[ doa ].y = maxInt( y + dy, yy );
	dSizeA[ doa ].x = minInt( x + br + dx, bb );
	dSizeA[ doa ].y = minInt( y + hi + dy, hh );
	drawOff[ doa ].x = dx + x;
	drawOff[ doa ].y = dy + y;
	return 1;
}

bool Bild::setDrawOptionsErzwingen( const Punkt &pos, const Punkt &gr ) // setzt die Drawoptionen
{
	int dx = drawOff[ doa ].x, dy = drawOff[ doa ].y;
	if( dx + pos.x + gr.x < 0 || dy + pos.y + gr.y < 0 || dx + pos.x >= size.x || dy + pos.y >= size.y )
		return 0;
	++doa;
	assert( doa < 2000 );
	dPosA[ doa ].x = maxInt( pos.x + dx, 0 );
	dPosA[ doa ].y = maxInt( pos.y + dy, 0 );
	dSizeA[ doa ].x = minInt( pos.x + gr.x + dx, size.x );
	dSizeA[ doa ].y = minInt( pos.y + gr.y + dy, size.y );
	drawOff[ doa ].x = dx + pos.x;
	drawOff[ doa ].y = dy + pos.y;
	return 1;
}

bool Bild::setDrawOptionsErzwingen( int x, int y, int br, int hi ) // setzt die Drawoptionen
{
	int dx = drawOff[ doa ].x, dy = drawOff[ doa ].y;
	if( dx + x + br < 0 || dy + y + hi < 0 || dx + x >= size.x || dy + y >= size.y )
		return 0;
	++doa;
	assert( doa < 2000 );
	dPosA[ doa ].x = maxInt( x + dx, 0 );
	dPosA[ doa ].y = maxInt( y + dy, 0 );
	dSizeA[ doa ].x = minInt( x + br + dx, size.x );
	dSizeA[ doa ].y = minInt( y + hi + dy, size.y );
	drawOff[ doa ].x = dx + x;
	drawOff[ doa ].y = dy + y;
	return 1;
}

void Bild::addScrollOffset( int xOff, int yOff ) // setzt ScrollOffset
{
	drawOff[ doa ].x -= xOff;
	drawOff[ doa ].y -= yOff;
}

void Bild::releaseDrawOptions() // setzt die Drawoptionen zurück
{
	--doa;
}

bool Bild::getRend()
{
	bool ret = rend;
	rend = 0;
	return ret;
}

// constant 
int *Bild::getBuffer()const // gibt buffer zurück
{
	return fc;
}

int Bild::getPixel( int x, int y ) const
{
	if( x < 0 || y < 0 || x >= size.x || y >= size.y )
		return 0;
	return fc[ x + y * size.x ];
}

const Punkt &Bild::getSize() const // gibt die Größe zurück
{
	return size;
}

int Bild::getBreite() const // gibt die Breite zurück
{
	return size.x;
}

int Bild::getHeight() const // gibt die Höhe zurück
{
	return size.y;
}

unsigned char Bild::getAlpha() const // gibt den Alpha wert zurück
{
	return (unsigned char)( 255 - alpha[ alphaAnzahl ] );
}

const Punkt &Bild::getDrawPos() const
{
	return dPosA[ doa ];
}

const Punkt &Bild::getDrawGr() const
{
	return dSizeA[ doa ];
}

const Punkt &Bild::getDrawOff() const
{
	return drawOff[ doa ];
}

// Reference Counting 
Bild *Bild::getThis()
{
	++ref;
	return this;
}

Bild *Bild::release()
{
	--ref;
	if( ref < 1 )
		delete this;
	return 0;
}


#ifdef WIN32
// Inhalt der BildZ Klasse aus Bild.h
// Konstruktor 
BildZ::BildZ()
	: ZeichnungHintergrund(),
	bild( 0 ),
	ref( 1 )
{
	style = 0;
	mak = _ret1ME;
}

// Destruktor 
BildZ::~BildZ()
{
	if( bild )
		bild->release();
}

// nicht constant 
void BildZ::setBildZ( Bild *b ) // setzt das Bild
{
	if( bild )
		bild->release();
	bild = b;
	if( !vertikalScrollBar )
		vertikalScrollBar = new VScrollBar();
	if( !horizontalScrollBar )
		horizontalScrollBar = new HScrollBar();
	horizontalScrollBar->getScrollData()->max = b->getBreite();
	vertikalScrollBar->getScrollData()->max = b->getHeight();
	rend = 1;
}

void BildZ::setBild( Bild *b )
{
	if( !bild )
		bild = new Bild();
	bild->neuBild( b->getBreite(), b->getHeight(), 0 );
	bild->drawBild( 0, 0, b->getBreite(), b->getHeight(), *b );
	if( !vertikalScrollBar )
		vertikalScrollBar = new VScrollBar();
	if( !horizontalScrollBar )
		horizontalScrollBar = new HScrollBar();
	horizontalScrollBar->getScrollData()->max = b->getBreite();
	vertikalScrollBar->getScrollData()->max = b->getHeight();
	b->release();
	rend = 1;
}

bool BildZ::tick( double tickVal ) // tick
{
	return __super::tick( tickVal );
}

void BildZ::doMausEreignis( MausEreignis &me ) // ruft Mak auf
{
	if( me.verarbeitet || !( me.mx >= pos.x && me.mx <= pos.x + gr.x && me.my >= pos.y && me.my <= pos.y + gr.y ) )
	{
		if( mausIn )
		{
			mausIn = 0;
			MausEreignis me2;
			me2.id = ME_Leaves;
			me2.mx = me.mx;
			me2.my = me.my;
			me2.verarbeitet = 0;
			doMausEreignis( me2 );
			return;
		}
	}
	if( !( me.mx >= pos.x && me.mx <= pos.x + gr.x && me.my >= pos.y && me.my <= pos.y + gr.y ) && me.id != ME_Leaves )
	{
		return;
	}
	if( !mausIn && me.id != ME_Leaves )
	{
		mausIn = 1;
		MausEreignis me2;
		me2.id = ME_Betritt;
		me2.mx = me.mx;
		me2.my = me.my;
		me2.verarbeitet = 0;
		doMausEreignis( me2 );
	}
	me.mx -= pos.x;
	me.my -= pos.y;
	if( hatStyle( Style::Sichtbar ) )
	{
		if( mak && ( me.verarbeitet || mak( makParam, this, me ) ) )
		{
			if( me.id != ME_Betritt && me.id != ME_Leaves )
			{
				lockZeichnung();
				int rbr = 0;
				if( hatStyle( Style::Rahmen ) && rahmen )
					rbr = rahmen->getRBreite();
				bool vs = hatStyle( Style::VScroll ) && vertikalScrollBar;
				bool hs = hatStyle( Style::HScroll ) && horizontalScrollBar;
				if( vs )
				{
					if( hs )
						horizontalScrollBar->doMausMessage( rbr, gr.y - rbr - 15, gr.x - rbr * 2 - 15, 15, me );
					vertikalScrollBar->doMausMessage( gr.x - rbr - 15, rbr, 15, gr.y - rbr * 2, me );
				}
				else if( hs )
					horizontalScrollBar->doMausMessage( rbr, gr.y - rbr - 15, gr.x - rbr * 2, 15, me );
				unlockZeichnung();
				if( vs || hs )
					me.verarbeitet = 1;
			}
		}
	}
	me.mx += pos.x;
	me.my += pos.y;
}

void BildZ::render( Bild &zRObj ) // zeichnet nach zRObj
{
	if( hatStyle( Style::Sichtbar ) )
	{
		__super::render( zRObj );
		lockZeichnung();
		if( !zRObj.setDrawOptions( innenPosition, innenSize ) )
		{
			unlockZeichnung();
			return;
		}
		if( bild )
		{
			int x = 0;
			int y = 0;
			int br = innenSize.x;
			int hö = innenSize.y;
			if( !( vertikalScrollBar && hatStyle( Style::VScroll ) ) && !( horizontalScrollBar && hatStyle( Style::HScroll ) ) )
			{
				if( hatStyle( Style::Alpha ) )
					zRObj.alphaBild( x, y, br, hö, *bild );
				else
					zRObj.drawBild( x, y, br, hö, *bild );
			}
			else
			{
				if( !zRObj.setDrawOptions( x, y, br, hö ) )
				{
					zRObj.releaseDrawOptions();
					unlockZeichnung();
					return;
				}
				if( hatStyle( Style::Alpha ) )
					zRObj.alphaBild( -horizontalScrollBar->getScroll(), -vertikalScrollBar->getScroll(), bild->getBreite(), bild->getHeight(), *bild );
				else
					zRObj.drawBild( -horizontalScrollBar->getScroll(), -vertikalScrollBar->getScroll(), bild->getBreite(), bild->getHeight(), *bild );
				zRObj.releaseDrawOptions();
			}
		}
		zRObj.releaseDrawOptions();
		unlockZeichnung();
	}
}

// constant 
Bild *BildZ::getBild() const // gibt das Bild zurück
{
	if( bild )
		return bild->getThis();
	return 0;
}

Bild *BildZ::zBild() const
{
	return bild;
}

Zeichnung *BildZ::dublizieren() const // erstellt eine Kopie des Zeichnungs
{
	BildZ *obj = new BildZ();
	obj->setPosition( pos );
	obj->setSize( gr );
	obj->setMausEreignisParameter( makParam );
	obj->setTastaturEreignisParameter( takParam );
	obj->setMausEreignis( mak );
	obj->setTastaturEreignis( tak );
	if( toolTip )
		obj->setToolTipText( toolTip->zText()->getText(), toolTip->zBildschirm() );
	obj->setStyle( style );
	obj->setHintergrundFarbe( hintergrundFarbe );
	if( hintergrundFeld )
		obj->setAlphaFeldZ( (AlphaFeld*)hintergrundFeld->dublizieren() );
	if( rahmen )
		obj->setLinienRahmenZ( (LRahmen*)rahmen->dublizieren() );
	if( hintergrundBild )
		obj->setHintergrundBild( hintergrundBild->getThis() );
	if( bild )
		obj->setBild( bild->getThis() );
	obj->setStyle( style );
	return obj;
}

// Reference Counting 
BildZ *BildZ::getThis()
{
	++ref;
	return this;
}

BildZ *BildZ::release()
{
	--ref;
	if( !ref )
		delete this;
	return 0;
}


Bild *Framework::ladeBild( char *pfad, Text *zError )
{
	Text p = pfad;
	Text *txt = p.getTeilText( p.positionVon( '.', p.anzahlVon( '.' ) - 1 ) );
	if( !( txt->istGleich( ".bmp" ) || txt->istGleich( ".jpg" ) || txt->istGleich( ".gif" ) || txt->istGleich( ".png" ) ) )
	{
		zError->setText( "Die Angegebene Datei ist keine gueltige Bilddatei!" );
		txt->release();
		return 0;
	}
	txt->release();
	wchar_t *name = new wchar_t[ p.getLength() + 1 ];
	for( int i = 0; i < p.getLength(); i++ )
		name[ i ] = (wchar_t)p.getText()[ i ];
	name[ p.getLength() ] = '\0';

	Gdiplus::Bitmap bitmap( name );
	Gdiplus::Color pix;
	delete[]name;

	Bild *ret = new Bild();
	ret->neuBild( bitmap.GetWidth(), bitmap.GetHeight(), 0 );
	int *buff = ret->getBuffer();
	for( unsigned int i = 0; i < bitmap.GetWidth() * bitmap.GetHeight(); i++ )
	{
		bitmap.GetPixel( i % bitmap.GetWidth(), i / bitmap.GetWidth(), &pix );
		buff[ i ] = pix.GetValue();
	}
	return ret;
}

#endif