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Size: 1857
Comment: Slightly improved code example
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Size: 1851
Comment: Corrected includes.
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| Deletions are marked like this. | Additions are marked like this. |
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| #include <SDL2/SDL.h> | #include "SDL.h" |
SDL_GetCurrentDisplayMode
Use this function to get information about the current display mode.
Contents
Syntax
int SDL_GetCurrentDisplayMode(int displayIndex,
SDL_DisplayMode* mode)
Function Parameters
displayIndex |
the index of the display to query |
mode |
an SDL_DisplayMode structure filled in with the current display mode |
Return Value
Returns 0 on success or a negative error code on failure; call SDL_GetError() for more information.
Code Examples
// Using SDL2's SDL_GetCurrentDisplayMode()
#include "SDL.h"
#include <iostream>
using namespace std;
int main(int argc, char* argv[]){
SDL_Init(SDL_INIT_VIDEO);
// Declare display mode structure to be filled in.
SDL_DisplayMode current;
// Get current display mode of all displays.
for(int i=0; i < SDL_GetNumVideoDisplays(); ++i){
int should_be_zero = SDL_GetCurrentDisplayMode(i, ¤t);
if(should_be_zero != 0)
// In case of error...
cout << "Could not get display mode for video display #" << i << ": " << SDL_GetError();
else
// On success, print the current display mode.
cout << "Display #" << i << ": current display mode is " << current.w << 'x' << current.h << "px @ " << current.refresh_rate << "hz. \n";
}
// Clean up and exit the program.
SDL_Quit();
return 0;
}
Remarks
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