SSD1789A Solomon Systech, SSD1789A Datasheet - Page 52

• Manufacturer Part Number: SSD1789A
• Description: CSTN LCD Driver
• Manufacturer: Solomon Systech

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9.32 Draw Circle (86 Hex)
Given the center point (X1, Y1) and the radius R, a circle will be drawn with the color specified. Remarks: If fill color option
is disabled, the enclosed area will not be filled.
The following example illustrates the rectangle drawing procedure.
Result: A circle will be drawn with center (64,64) and radius 32, filled green with red border
Remark: 0
Solomon Systech
fill color
1.
2.
3.
4.
5.
6.
1
Enter the “draw circle mode” by execute the command 86H
Set the center X-coordinates, X1. E.g., 40H.
Set the center Y-coordinates, Y1. E.g., 40H.
Set the radius, R. E.g., 20H
Set the color to RGB = (1,0,0) e.g., F8H following by 00H
Set the filled color to RGB = (0,1,0) e.g., 07H following by E0H
R
X1,Y1
255
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255
R
X1, Y1
color
Jul 2004
P 52/69 Rev 1.0
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