C
WORD ROPBlock( DWORD srcAddr, DWORD dstAddr, DWORD srcOffset, DWORD dstOffset, WORD srcType, WORD dstType, WORD copyOp, WORD rop, WORD color, WORD width, WORD height );
Overview
Performs a Raster Operation (ROP) on source and destination. The type of ROP is decided by the rop and the copyOp parameter.
Input Parameters
|
Input Parameters |
Description |
|
DWORD srcAddr |
the base address of the data to be moved |
|
DWORD dstAddr |
the base address of the new location of the moved data |
|
DWORD srcOffset |
offset of the data to be moved with respect to the source base address. |
|
DWORD dstOffset |
offset of the new location of the moved data respect to the source base address. |
|
WORD srcType |
sets the source type (GFX_DATA_CONTINUOUS or GFX_DATA_DISCONTINUOUS) |
|
WORD dstType |
sets the destination type (GFX_DATA_CONTINUOUS or GFX_DATA_DISCONTINUOUS) |
|
WORD copyOp |
sets the type of copy operation
|
|
WORD rop |
sets the raster operation equation
|
|
WORD color |
color value used when transparency operation is set or using solid color fill |
|
WORD width |
width of the block of data to be moved |
|
WORD height |
height of the block of data to be moved |
Returns
For NON-Blocking configuration:
- Returns 0 when device is busy and operation is not completely performed.
- Returns 1 when the operation is completely performed.
- Always return 1.
Preconditions
none
Side Effects
none