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Searched refs:bg_opa (Results 1 – 2 of 2) sorted by relevance

/AliOS-Things-master/components/littlevgl/src/lv_draw/
A Dlv_draw_basic.c49 static inline lv_color_t color_mix_2_alpha(lv_color_t bg_color, lv_opa_t bg_opa, lv_color_t fg_colo…
663 static inline lv_color_t color_mix_2_alpha(lv_color_t bg_color, lv_opa_t bg_opa, lv_color_t fg_colo… in color_mix_2_alpha() argument
666 if(fg_opa > LV_OPA_MAX || bg_opa <= LV_OPA_MIN) { in color_mix_2_alpha()
675 else if(bg_opa >= LV_OPA_MAX) { in color_mix_2_alpha()
687 if(fg_opa != fg_opa_save || bg_opa != bg_opa_save || fg_color.full != fg_color_save.full || in color_mix_2_alpha()
690 bg_opa_save = bg_opa; in color_mix_2_alpha()
695 lv_opa_t alpha_res = 255 - ((uint16_t)((uint16_t)(255 - fg_opa) * (255 - bg_opa)) >> 8); in color_mix_2_alpha()
/AliOS-Things-master/components/littlevgl/src/lv_objx/
A Dlv_canvas.c390 … lv_opa_t bg_opa = lv_img_buf_get_px_alpha(&ext_dst->dsc, x + offset_x, y + offset_y); in lv_canvas_rotate() local
393 if(opa_res >= LV_OPA_MAX || bg_opa <= LV_OPA_MIN) { in lv_canvas_rotate()
398 else if(bg_opa >= LV_OPA_MAX) { in lv_canvas_rotate()
407 … lv_opa_t opa_res_2 = 255 - ((uint16_t)((uint16_t)(255 - opa_res) * (255 - bg_opa)) >> 8); in lv_canvas_rotate()

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