27 GRAPHICS ENGINE (GE)
27-18
Seiko Epson Corporation
S1C33L26 TECHNICAL MANUAL
Set the 1/8 Position Select[7:0] bits corresponding to the arcs and circular sections to be drawn to 1 and execute
the command. To draw a complete circle, set all the 1/8 Position Select[7:0] bits to 1.
b0 (0x1)
0x1
0x3
0x2
0xf
0x4
0x3f
0x8
0x11
0x10
0x33
0x20
0x55
0x40
0x6f
0x80
0xff
b3 (0x8)
b7 (0x80)
b4 (0x10)
b1 (0x2)
b2 (0x4)
b6 (0x40)
b5 (0x20)
b0 (0x1)
b3 (0x8)
b7 (0x80)
b4 (0x10)
b1 (0x2)
b2 (0x4)
b6 (0x40)
b5 (0x20)
1/8 Position Select[7:0]
CIRCLE command
CIRCLE_FILL command
Examples:
b7 b6 b5 b4 b3 b2 b1 b0
3.5.5 Arc/Circular Section Selections
Figure 27.
Resizing/Tiling
The character and decompression commands allow specification of drawing areas different from the original
size. The Resize/Tile Select[1:0] bits are used to select how the character/image is drawn in this area.
3.5.5 Resizing/Tiling Selections
Table 27.
Resize/Tile Select[1:0] bits
Drawing effect
0x3
Reserved
0x2
Tiling
0x1
Resizing
0x0
Normal
Normal
The character/image is drawn from origin in the original size.
Work area
X1
Y1
(0, 0)
(Y2)
(X2)
Memory
Original
character/image
(X1, Y1)
3.5.6 Drawing Character/Image in Normal Size
Figure 27.
Resizing
Draws the character/image by resizing the original data according to the drawing area specified by the com-
mand. A drawing area with a different horizontal to vertical ratio can be specified.
Work area
X1
Y1
(0, 0)
Y2
X2
Memory
Original
character/image
(X1, Y1)
(X1, Y1)
(X2, Y2)
(X2, Y2)
3.5.7 Resizing Characters/Images
Figure 27.