Release an allocated area to the system free memory pool
Source position: agraphics.pas line 2063
| procedure FreeRaster( | 
| P: PByte; | 
| Width: LongWord; | 
| Height: LongWord | 
| ); | 
| P | 
 | a pointer to a memory space returned as a result of a call to AllocRaster(). | 
| Width | 
 | The width in bits of the bitplane. | 
| Height | 
 | Number of rows in bitplane. | 
Return the memory associated with this PlanePtr of size width and height to the exec.MEMF_CHIP memory pool.
| 
 | Allocate space for a bitplane. | |
| 
 | Allocate a bitmap and attach bitplanes to it. | |
| 
 | Free a bitmap created by AllocBitMap() |