FREEZE | Halts the program, freezing the current display. Execution |
| resumes when any key is pressed. |
LINE | Draws a line from (x1, y1) to (x2, y2). |
| LINEx1;y1;x2;y2 |
PIXOFF | Turns off the pixel at the specified coordinates (x,y). |
| PIXOFF x;y |
PIXON | Turns on the pixel at the specified coordinates (x,y). |
| PIXON x;y |
TLINE | Toggles the pixels along the line from (x1, y1) to (x2, y2) on |
| and off. Any pixel that was turned off, is turned on; any pixel |
| that was turned on, is turned off. TLINE can be used to erase |
| a line. |
| TLINE x1;y1;x2;y2 |
| Example |
| TLINE 0;0;3;3 |
| Erases previously drawn 45 degree line from (0,0) to |
| (3,3), or draws that line if it doesn’t already exist. |
| The Graphic commands use the graphics variables G0 through | |
| graphicname | |
| arguments. The position argument takes the form (x,y). | |
| Position coordinates depend on the current aplet's scale, | |
| which is specified by Xmin, Xmax, Ymin, and Ymax. The | |
| upper left corner of the target graphic (graphic2) is at | |
| (Xmin,Ymax). |
|
| You can capture the current display and store it in G0 by | |
| simultaneously pressing >21@+>3/27@. |
|
DISPLAY→ | Stores the current display in graphicname. |
|
| DISPLAY→ graphicname |
|
→DISPLAY | Displays graphic from graphicname in the display. | |
| →DISPLAY graphicname |
|
Programming |