FT800 Series Programmer Guide
Version 2.1
Document Reference No.: BRT_000030 Clearance No.: BRT#037
170
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5.25 CMD_BUTTON - draw a button
C prototype
void cmd_button( int16_t x,
int16_t y,
int16_t w,
int16_t h,
int16_t font,
uint16_t options,
const char* s );
Parameters
x
x-coordinate of button top-left, in pixels
y
y-coordinate of button top-left, in pixels
font
bitmap handle to specify the font used in button label. See ROM and RAM
Fonts.
options
By default, the button is drawn with a 3D effect and the value is zero.
OPT_FLAT removes the 3D effect. The value of OPT_FLAT is 256.
s
button label. It must be one string terminated with null character, i.e. '\0' in C
language. For built-in ROM font of FT800, the valid character inside of s is
printable ASCII code, i.e., from 32 to 127, both inclusive. For custom RAM
font, the ASCII code of valid character inside of s is from 1 to 127.
Description
Refer to Co-processor engine widgets physical dimensions for more information.
Command layout
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