/*
函数名：
功能：
参数：
*/
void ShowTree(BinTree bt)
{
int i,j,old_rx,old_ry,sum=0;
MAX_X=getmaxx(),MAX_Y=getmaxy();
BTreeToArr(bt,BTXY);
GetBTArrXY(BTXY);
/*两个循环是建模时是二维数组，但实践中二维数组错误，于是用了累加 等算法来查找*/
for(i=0;i<5;i++)
{
for(j=0;j<pow(2,i);j++)
{
if(i==0)
{
FilledCircle(BTXY[sum].x,BTXY[sum].y,BTXY[sum].bt->data);
}else if(BTXY[sum].bt->data)
{
old_ry=30+(i-1)*MAX_Y/7;
old_rx=pow(-1,j)*MAX_X/pow(2,i+1)+BTXY[sum].x;
CLine(old_rx,old_ry+10,BTXY[sum].x,BTXY[sum].y,WHITE);
FilledCircle(BTXY[sum].x,BTXY[sum].y,BTXY[sum].bt->data);
}
sum++;
}
}
}
void Draw::FilledRectangleRoundEdge(SDL_Renderer* renderer, SDL_Rect rectangle, int radius) {
// Draw inner rectangle
SDL_Rect inner = rectangle;
inner.x += radius;
inner.y += radius;
inner.w -= radius*2;
inner.h -= radius*2;
SDL_RenderFillRect( renderer, &inner );
// Draw outer
SDL_Rect left = rectangle;
left.y += radius;
left.w = radius;
left.h -= radius*2;
SDL_RenderFillRect( renderer, &left );
SDL_Rect right = rectangle;
right.x += rectangle.w-(radius);
right.y += radius;
right.w = radius;
right.h -= radius*2;
SDL_RenderFillRect( renderer, &right );
SDL_Rect up = rectangle;
up.x += radius;
up.w = rectangle.w-radius*2;
up.h = radius;
SDL_RenderFillRect( renderer, &up );
SDL_Rect down = rectangle;
down.y += rectangle.h-radius;
down.x += radius;
down.w = rectangle.w-radius*2;
down.h = radius;
SDL_RenderFillRect( renderer, &down );
// Draw circles
FilledCircle(renderer, rectangle.x+radius, rectangle.y+radius, radius);
FilledCircle(renderer, rectangle.x+radius, rectangle.y+rectangle.h-radius, radius);
FilledCircle(renderer, rectangle.x+rectangle.w-radius, rectangle.y+radius, radius);
FilledCircle(renderer, rectangle.x+rectangle.w-radius, rectangle.y+rectangle.h-radius, radius);
}
