h6. [[FilterManager]] h6(. » [[FilterManager SWI Calls|SWI Calls]] h6((. » [[Filter_RegisterCopyFilter]] h6(((. » RectangleCopy Filter Code h2. RectangleCopy Filter Code |_<^{width:5em}. Entry | | |<^. R2 |<^. Source minimum x (inclusive)| |<^. R3 |<^. Source minimum y (inclusive)| |<^. R4 |<^. Source maximum x (exclusive)| |<^. R5 |<^. Source maximum y (exclusive)| |<^. R6 |<^. Destination minimum x (inclusive)| |<^. R7 |<^. Destination minimum y (inclusive)| |<^. R8 |<^. Destination maximum x (exclusive)| |<^. R9 |<^. Destination maximum y (exclusive)| |<^. R10 |<^. Window handle – 1[1]| |<^. R12|<^. Value of R2 when filter registered| fn1. [[WindowManager]] 3.90 and above only |_<^{width:5em}. Exit | | |<. R0|<. Preserved| |<. R1|<. Preserved| |<. R3 – R10|<. Preserved| h4. Notes This code is called when the Wimp is about to copy a rectangle across the screen. The current and previous graphics cursors describe the area to be copied, but the operation has not yet been performed. h4. See also * [[Filter_DeRegisterCopyFilter]] * [[Filter_RegisterCopyFilter]]