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c:graphics.h:getdrivername [2015/05/06 23:06] |
c:graphics.h:getdrivername [2024/02/16 01:05] (current) |
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+ | ===== getdrivername ===== | ||
+ | |||
+ | |||
+ | ====Syntax of getdrivername ==== | ||
+ | <code c> | ||
+ | #include <graphics.h> | ||
+ | char *getdrivername(void); | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Description of getdrivername ==== | ||
+ | <code c> | ||
+ | After a call to initgraph, getdrivername returns the name of the driver | ||
+ | that is currently loaded. | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== Example of getdrivername ==== | ||
+ | <code c> | ||
+ | /* getdrivername example */ | ||
+ | |||
+ | #include <graphics.h> | ||
+ | #include <stdlib.h> | ||
+ | #include <stdio.h> | ||
+ | #include <conio.h> | ||
+ | |||
+ | int main() | ||
+ | { | ||
+ | /* request autodetection */ | ||
+ | int gdriver = DETECT, gmode, errorcode; | ||
+ | |||
+ | /* stores the device driver name */ | ||
+ | char *drivername; | ||
+ | |||
+ | /* initialize graphics and local variables */ | ||
+ | initgraph(&gdriver, &gmode, ""); | ||
+ | |||
+ | /* read result of initialization */ | ||
+ | errorcode = graphresult(); | ||
+ | if (errorcode != grOk) { /* an error occurred */ | ||
+ | printf("Graphics error: %s\n", grapherrormsg(errorcode)); | ||
+ | |||
+ | printf("Press any key to halt:"); | ||
+ | getch(); | ||
+ | exit(1); /* terminate with an error code */ | ||
+ | } | ||
+ | setcolor(getmaxcolor()); | ||
+ | |||
+ | /* get the name of the device driver in use */ | ||
+ | drivername = getdrivername(); | ||
+ | |||
+ | /* for centering text onscreen */ | ||
+ | settextjustify(CENTER_TEXT, CENTER_TEXT); | ||
+ | |||
+ | /* output the name of the driver */ | ||
+ | outtextxy(getmaxx() / 2, getmaxy() / 2, drivername); | ||
+ | |||
+ | /* clean up */ | ||
+ | getch(); | ||
+ | closegraph(); | ||
+ | |||
+ | return 0; | ||
+ | } | ||
+ | </code> | ||
+ | |||
+ | |||
+ | ==== See also ==== | ||
+ | [[initgraph]] | ||
+ | |||
+ | |||
+ | ===== output of getdrivername example ===== | ||
+ | |||
+ | no output of example at the moment | ||
+ | do not hesitate and add it... | ||
+ | |||
+ | |||