Figure 24. Center-And-Trim Mapping - Printronix S828 Programmer's Manual

Programmer Manual PTX‐S828

Figure 24. Center-and-Trim Mapping

Position and Trim Mapping: The upper left-hand corner of the graphic window is mapped to the graphic
block area using the specified offset and presented at the specified scale. Any portion of the picture that
goes outside the graphic block area is clipped to the area boundary. Figure 25 shows the result of position-
and-trim mapping. For this example, the graphic window is shown smaller than a previously defined graphic
picture. This picture is to be placed on the physical medium. The parameters in the Graphic Data Descriptor
specify the size of the graphic window. The parameters in the Graphic Area Position and the Graphic Output
Control specify the size and location of the graphic block area on the physical medium.
If the graphic block area is smaller than the graphic window, a portion of the graphic picture is eliminated.
The top-left corner of the graphic window is either coincident with the top left corner of the graphic block
area, or it is offset from the top left corner of the graphic block area by a distance specified in the Graphic
Output Control. Only the portion of the picture contained within the overlapping areas of the graphic
window and the graphic block area will be drawn. The printer trims (eliminates) the portion of the graphic
picture outside this area.
Chapter 5 IPDS Programming Information 171 260071‐001A