#include "Painter.class.h"

void CPainter::print(int outtype, int** outarray, int x_width, int y_height){

	switch(outtype){
		case 1:
			CPainter::printASCIIMandelbrot(outarray, x_width, y_height);
			break;
		case 2:
			CPainter::printPIXELMandelbrot(outarray, x_width, y_height);
			break;
		default:
			printf("Keine Ausgabe!\n");
	}
}


void CPainter::printASCIIMandelbrot(int** outarray, int x_width, int y_height){
	for(int i=0;i<y_height;i++){
		for(int j=0;j<x_width;j++){
			if(outarray[j][i]==0){
				printf(" ");
			} else {
				printf("X");
			}
		}
		printf("\n");
	}
}

void CPainter::printPIXELMandelbrot(int** outarray, int x_width, int y_height){
	SDL_Delay(16);
	SDL_Init(SDL_INIT_VIDEO);
	SDL_Surface* screen = SDL_SetVideoMode(x_width, y_height, 0, SDL_HWPALETTE);

	SDL_WM_SetCaption("my Mandelbrot", "my Mandelbrot");

	SDL_Event _event;

	for(int i=0;i<y_height;i++){
		for(int j=0;j<x_width;j++){
			if(outarray[j][i]==0){
				CPainter::DrawPixel(screen,j,i,0,0,0);
			} else {
				CPainter::DrawPixel(screen,j,i,255,255,255);
			}
		}
	}
	
	SDL_UpdateRect(screen, x_width, y_height, 1, 1);

	bool done=false;

	while(!done) {
		while(SDL_PollEvent(&_event)) {
			if (_event.type == SDL_QUIT) {
				done=true;
			}
		}
	}
	SDL_FreeSurface;
	SDL_Quit();
}

void CPainter::DrawPixel(SDL_Surface *screen, int x, int y, Uint8 R, Uint8 G, Uint8 B){

	Uint32 color = SDL_MapRGB(screen->format, R, G, B);

	if ( SDL_MUSTLOCK(screen) ) {
		if ( SDL_LockSurface(screen) < 0 ) {
			return;
		}
	}
	switch (screen->format->BytesPerPixel) {
		case 1: { /* vermutlich 8 Bit */
			Uint8 *bufp;

			bufp = (Uint8 *)screen->pixels + y*screen->pitch + x;
			*bufp = color;
		}
		break;

		case 2: { /* vermutlich 15 Bit oder 16 Bit */
			Uint16 *bufp;

			bufp = (Uint16 *)screen->pixels + y*screen->pitch/2 + x;
			*bufp = color;
		}
		break;

		case 3: { /* langsamer 24-Bit-Modus, selten verwendet */
			Uint8 *bufp;

			bufp = (Uint8 *)screen->pixels + y*screen->pitch + x * 3;
			if(SDL_BYTEORDER == SDL_LIL_ENDIAN) {
				bufp[0] = color;
				bufp[1] = color >> 8;
				bufp[2] = color >> 16;
			} else {
				bufp[2] = color;
				bufp[1] = color >> 8;
				bufp[0] = color >> 16;
			}
		}
		break;

		case 4: { /* vermutlich 32 Bit */
			Uint32 *bufp;

			bufp = (Uint32 *)screen->pixels + y*screen->pitch/4 + x;
			*bufp = color;
		}
		break;
	}
	if ( SDL_MUSTLOCK(screen) ) {
		SDL_UnlockSurface(screen);
	}
}