lv_draw_buf_init() function

Initialize a draw buf with the given buffer and parameters. Clear draw buffer flag to zero.

Syntax

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Summary

Declaration

Definition

lv_result_t lv_draw_buf_init(lv_draw_buf_t * draw_buf, uint32_t w, uint32_t h, lv_color_format_t cf, uint32_t stride, void * data, uint32_t data_size);

Argument

Description

draw_buf

the draw buf to initialize

the buffer width in pixels

the buffer height in pixels

the color format

stride

the stride in bytes. Use 0 for automatic calculation

data

the buffer used for drawing. Unaligned `data` will be aligned internally

data_size

the size of the buffer in bytes

return LV_RESULT_OK on success, LV_RESULT_INVALID otherwise

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