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| #include <stdlib.h>
#include <stdio.h>
#include <complex.h>
#include <SDL2/SDL.h>
#include <windows.h>
void test(double X, double Y, int *color, int *indco);
int main(int argc, char *argv[]){
SDL_Window *fwindow = NULL;
SDL_Renderer *rendu = NULL;
SDL_Event event;
HWND handle=GetForegroundWindow();//masque la console
ShowWindow(handle,SW_HIDE);
if(SDL_Init(SDL_INIT_VIDEO) != 0)
perror("Initialisation SDL");
if((fwindow = SDL_CreateWindow("Ensemble de Mandelbrot", SDL_WINDOWPOS_CENTERED, SDL_WINDOWPOS_CENTERED, 1200, 800, 0)) == NULL)
perror("Creation fenetre echouee");
SDL_SetWindowIcon(fwindow, SDL_LoadBMP("Mandelbrot_icon.bmp"));// iconne de l'appli
if((rendu = SDL_CreateRenderer(fwindow, -1, SDL_RENDERER_SOFTWARE)) == NULL)
perror("Creation rendu echouee");
if(SDL_SetRenderDrawColor(rendu, 0, 0, 0, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
double Xmin, Xmax, Ymin, Ymax, Xstep, Ystep;
int indicateur, state, col;
Xmin = -2.0;
Xmax = 1.0;
Ymin = -1;
Ymax = 1;
Xstep = (Xmax-Xmin)/1200;
Ystep = (Ymax-Ymin)/800;
for(int y = 0; y <= 800; y ++){
for(int x = 0; x <= 1200; x++){
test((x*Xstep + Xmin), (y*Ystep + Ymin), &indicateur, &col);
switch(indicateur){
case 0:
if(SDL_SetRenderDrawColor(rendu, 0, 0, 0, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
break;
case 1:
if(SDL_SetRenderDrawColor(rendu, 0, 0, col, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
break;
case 2:
if(SDL_SetRenderDrawColor(rendu, 1, 255, 1, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
break;
case 3:
if(SDL_SetRenderDrawColor(rendu, 1, 0, 255, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
break;
case 4:
if(SDL_SetRenderDrawColor(rendu, 0, 0, 125, SDL_ALPHA_OPAQUE) != 0)
perror("Impossible de changer la couleur!");
break;
}
SDL_RenderDrawPoint(rendu, x, y);
}
}
SDL_RenderPresent(rendu);
state = 1;
SDL_Surface *pWinSurf = SDL_GetWindowSurface(fwindow);
//SDL_SaveBMP(pWinSurf, "Mandelbrot_B.bmp");
while(state)
{
SDL_WaitEvent(&event);
switch(event.type)
{
case SDL_QUIT: state=0; break;
}
}
SDL_DestroyWindow(fwindow);
SDL_DestroyRenderer(rendu);
SDL_Quit();
return EXIT_SUCCESS;
}
void test(double X, double Y, int *color, int *indco){
int i;
double complex c = 0;
double complex z = 0;
double z_2;
c = X + Y*I;
while(cabs(z) < 2 && i < 650){
i++;
z = z*z + c;
}
z_2 = cabs(z);
if(i == 650){
*color = 0;
}
/*else if(z_2 >4){*color = 4;}
else if(z_2 >3.1 && z_2<= 4){*color = 3;}
else if(z_2 >2.4 && z_2<= 3.1){*color = 2;}
else if(z_2 >0 && z_2<= 2.4){*color = 1;}*/
else{*color = 1; *indco = z_2*62;}
} |
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