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SourceVuESP-IDF Framework and Examplesi2c_oled samplelv_draw_sw_blend_dsc_t

lv_draw_sw_blend_dsc_t struct

DEFINES TYPEDEFS

Syntax

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Summary

Declaration

from lv_draw_sw_blend.h:29

typedef struct { const lv_area_t * blend_area; const lv_color_t * src_buf; lv_color_t color; lv_opa_t * mask_buf; lv_draw_mask_res_t mask_res; const lv_area_t * mask_area; lv_opa_t opa; lv_blend_mode_t blend_mode; } lv_draw_sw_blend_dsc_t;

Fields

Field

Declared as

Description

lv_draw_sw_blend_dsc_t::blend_area

const lv_area_t *

The area with absolute coordinates to draw on `draw_ctx->buf` will be clipped to `draw_ctx->clip_area`.

lv_draw_sw_blend_dsc_t::src_buf

const lv_color_t *

Pointer to an image to blend. If set `fill_color` is ignored.

lv_draw_sw_blend_dsc_t::color

Fill color.

lv_draw_sw_blend_dsc_t::mask_buf

NULL if ignored, or an alpha mask to apply on `blend_area`.

lv_draw_sw_blend_dsc_t::mask_res

lv_draw_mask_res_t

The result of the previous mask operation.

lv_draw_sw_blend_dsc_t::mask_area

const lv_area_t *

The area of `mask_buf` with absolute coordinates.

lv_draw_sw_blend_dsc_t::opa

The overall opacity.

lv_draw_sw_blend_dsc_t::blend_mode

lv_blend_mode_t

E.g. LV_BLEND_MODE_ADDITIVE.

Examples

References

from examples