35 lines
915 B
C++
35 lines
915 B
C++
#include<hgl/type/Size2.h>
|
|
#include<iostream>
|
|
|
|
using namespace hgl;
|
|
using namespace std;
|
|
|
|
Size2i si_screen,si_canvas,
|
|
si_finish,si_gap;
|
|
|
|
void output(const char *str,float scale)
|
|
{
|
|
cout<<endl<<str<<" scale "<<scale<<endl;
|
|
|
|
si_finish=si_canvas*scale;
|
|
|
|
cout<<" finish size: "<<si_finish.width<<","<<si_finish.height<<endl;
|
|
|
|
//si_gap=(si_finish-si_screen)/2;
|
|
si_gap=(si_canvas*scale-si_screen)/2; //写这行而不是用上一行，是为了验证操作符重载的正确性
|
|
|
|
cout<<" gap size: "<<si_gap.width<<","<<si_gap.height<<endl;
|
|
}
|
|
|
|
void main()
|
|
{
|
|
si_screen.Set(1920,1200);
|
|
si_canvas.Set(1280,720);
|
|
|
|
cout<<"screen size: "<<si_screen.width<<","<<si_screen.height<<endl;
|
|
cout<<"canvas size: "<<si_canvas.width<<","<<si_canvas.height<<endl;
|
|
|
|
output("min",si_screen.alcScale(si_canvas,false));
|
|
output("max",si_screen.alcScale(si_canvas,true));
|
|
}
|