//http://www.ferzkopp.net/Software/SDL2_gfx/Docs/html/_s_d_l2__gfx_primitives_8h.html
//utilisation de la primitive gfx
// ici on ajoute des cercles pein ou vide
// on peut aussi ajouter des courbes de bézier, des polygones,des lignes épaisses...
void createShapes(){
Sint16 circleR = 100;
Sint16 circleX = 300;
Sint16 circleY = 300;
SDL_Renderer* renderer=SDLS_getRenderer();
filledCircleColor(renderer, circleX, circleY, circleR, 0xFF0000FF);
circleRGBA(renderer,200,200,100,0,255,0,255);
roundedRectangleRGBA(renderer,10,10,100,100,30,120,120,0,255);
thickLineRGBA(renderer,450,150,150,450,50,255,0,255,255);
trigonRGBA(renderer,100,100,200,200,100,300,0,255,120,255);
Sint16 vx[10]={10,50,150,200, 220,240,410,500,200,250};
Sint16 vy[10]={10,80,10,0,10,30,50,80,30,150};
bezierRGBA(renderer,vx,vy,10,3,50,0,255,255);
}
void bezier(void* r_in,
int* xs, int* ys,
int n, // number of points, >= 3
int s, // steps for the interpolation
int r, int g, int b, int a)
{
SDL_Renderer* renderer = (SDL_Renderer*)r_in;
short u[n];
short v[n];
for (int i = 0; i < n ; i++) {
u[i] = xs[i];
v[i] = ys[i];
}
free(xs);
free(ys);
bezierRGBA(renderer,
u, v,
n, s,
r, g, b, a);
}