Bridgetek FT801 - Page 238

FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
238
Product Page
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Command layout
+0
CMD_SKETCH(0xffffff30)
+4
X
+6
Y
+8
W
+10
H
+12
Ptr
+16
Format
Examples
To start sketching into a 480x272 L1 bitmap:
cmd_memzero(0, 480 * 272 / 8);
cmd_sketch(0, 0, 480, 272, 0, L1);
//Then to display the bitmap
cmd(BITMAP_SOURCE(0));
cmd(BITMAP_LAYOUT(L1, 60, 272));
cmd(BITMAP_SIZE(NEAREST, BORDER, BORDER, 480, 272));
cmd(BEGIN(BITMAPS));
cmd(VERTEX2II(0, 0, 0, 0));
//Finally, to stop sketch updates
cmd_stop();
Code snippet 16 CMD_SKETCH example