102 lines
2.6 KiB
C
102 lines
2.6 KiB
C
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/**
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* @file lv_draw_sw.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "../lv_draw.h"
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#include "lv_draw_sw.h"
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void lv_draw_sw_init_ctx(lv_disp_drv_t * drv, lv_draw_ctx_t * draw_ctx)
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{
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LV_UNUSED(drv);
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lv_draw_sw_ctx_t * draw_sw_ctx = (lv_draw_sw_ctx_t *) draw_ctx;
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lv_memset_00(draw_sw_ctx, sizeof(lv_draw_sw_ctx_t));
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draw_sw_ctx->base_draw.draw_arc = lv_draw_sw_arc;
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draw_sw_ctx->base_draw.draw_rect = lv_draw_sw_rect;
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draw_sw_ctx->base_draw.draw_bg = lv_draw_sw_bg;
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draw_sw_ctx->base_draw.draw_letter = lv_draw_sw_letter;
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draw_sw_ctx->base_draw.draw_img_decoded = lv_draw_sw_img_decoded;
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draw_sw_ctx->base_draw.draw_line = lv_draw_sw_line;
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draw_sw_ctx->base_draw.draw_polygon = lv_draw_sw_polygon;
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draw_sw_ctx->base_draw.wait_for_finish = lv_draw_sw_wait_for_finish;
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draw_sw_ctx->base_draw.buffer_copy = lv_draw_sw_buffer_copy;
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draw_sw_ctx->blend = lv_draw_sw_blend_basic;
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}
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void lv_draw_sw_deinit_ctx(lv_disp_drv_t * drv, lv_draw_ctx_t * draw_ctx)
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{
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LV_UNUSED(drv);
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lv_draw_sw_ctx_t * draw_sw_ctx = (lv_draw_sw_ctx_t *) draw_ctx;
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lv_memset_00(draw_sw_ctx, sizeof(lv_draw_sw_ctx_t));
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}
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void lv_draw_sw_wait_for_finish(lv_draw_ctx_t * draw_ctx)
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{
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LV_UNUSED(draw_ctx);
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/*Nothing to wait for*/
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}
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void lv_draw_sw_buffer_copy(lv_draw_ctx_t * draw_ctx,
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void * dest_buf, lv_coord_t dest_stride, const lv_area_t * dest_area,
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void * src_buf, lv_coord_t src_stride, const lv_area_t * src_area)
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{
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LV_UNUSED(draw_ctx);
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lv_color_t * dest_bufc = dest_buf;
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lv_color_t * src_bufc = src_buf;
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/*Got the first pixel of each buffer*/
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dest_bufc += dest_stride * dest_area->y1;
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dest_bufc += dest_area->x1;
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src_bufc += src_stride * src_area->y1;
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src_bufc += src_area->x1;
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uint32_t line_length = lv_area_get_width(dest_area) * sizeof(lv_color_t);
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lv_coord_t y;
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for(y = dest_area->y1; y <= dest_area->y2; y++) {
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lv_memcpy(dest_bufc, src_bufc, line_length);
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dest_bufc += dest_stride;
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src_bufc += src_stride;
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}
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/
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