How to resolve the issue of outtextxy not being able to…
The outtextxy function is a function in Turbo C++ used to output a string at a specified coordinate position. If the string cannot be output, it could be due to a few reasons:
- The content of the string is empty: Please check if the string to be output is empty, as it cannot be output if it is empty.
- Coordinate position exceeds screen range: Please ensure that the output coordinate position is within the screen range. The origin of screen coordinates is located at the top left corner of the screen, with the X-axis pointing right and the Y-axis pointing down. The range of coordinate values should be within the width and height of the screen.
- Make sure to initialize the graphics interface with the initgraph function before calling the outtextxy function to display strings properly. The outtextxy function needs to be used within the graphics interface to work correctly.
- Improper font size setting: The outtextxy function defaults to using the current graphic interface’s font. If the font is too small, it may result in strings not being displayed. You can use the settextstyle function to adjust the font size appropriately.
Here is an example code demonstrating how to use the outtextxy function to display a string:
#include <graphics.h>
#include <conio.h>
int main()
{
int gd = DETECT, gm;
initgraph(&gd, &gm, "");
outtextxy(100, 100, "Hello World!");
getch();
closegraph();
return 0;
}
In the above example, we initialized the graphics interface using the initgraph function, then used the outtextxy function to output the string “Hello World!” at the coordinates (100, 100). Finally, we used the getch function to wait for the user to press any key to close the graphics interface.
If you are still unable to output the string, please provide additional code and error information so that we can better assist you in solving the problem.