Text related functions
The relevant functions and data types are as follows.
| Function or data type | Description |
| gettextcolor | Gets the current font color. |
| gettextstyle | Gets the current font style |
| LOGFONT | Saves the structure of the font style. |
| outtextxy | Output the string at the specified location. |
| drawtext | Output the string in the specified format within the specified area. |
| settextcolor | Sets the current font color. |
| settextstyle | Sets the current font style. |
| textheight | Gets the pixel height that the string actually occupies. |
| textwidth | Gets the pixel width that the string actually occupies. |