Brother International HL-L2305W Command Reference Guide for Software Developer - Page 359
IW - Input window, RO - Rotate coordinate system, PG - feed
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IW - Input window IW [ X1, Y1, X2, Y2 ] [;] X1-Window lower left X coordinate X2-Window upper right X coordinate Y1-Window lower left Y coordinate Y2-Window upper right Y coordinate This instruction sets the window inside which plotting can be performed. Graphic units are always used. Coordinate values for X1, Y1, X2 and Y2 are integer numbers from 0 to 32,767. The order of the pairs (X1, Y1) and (X2, Y2) may be reversed with no change in the window created: "IW X1, Y1, X2, Y2" is identical in effect to "IW X2, Y2, X1, Y1". Using this instruction without a parameter field releases any previous limitations on the plot area. (X2,Y2) (X1,Y1) Window Print paper RO - Rotate coordinate system RO [q][;] q : Angle in degrees through which the coordinate system is rotated. This instruction rotates the coordinate system. A value of 0 or 90 must be used for q. Using this instruction without a parameter field sets the rotation of the coordinate system to 0 degrees. PG - Page feed PG [;] Executes a page feed After page feeding, the cursor position return to the home position (0, 0). 3.3. Pen Control and Plot Instructions Instruction PU PD PA PR AA AR CI Function Pen Up Pen Down Plot Absolute Relative Coordinate Pen Move Absolute Arc Plot Relative Arc Plot Circle CHAPTER 9 HP-GL - 8
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