1 /**
2 * @file lv_draw_sw.c
3 *
4 */
5
6 /*********************
7 * INCLUDES
8 *********************/
9 #include "../lv_draw.h"
10 #include "lv_draw_sw.h"
11
12 /*********************
13 * DEFINES
14 *********************/
15
16 /**********************
17 * TYPEDEFS
18 **********************/
19
20 /**********************
21 * STATIC PROTOTYPES
22 **********************/
23
24 /**********************
25 * GLOBAL PROTOTYPES
26 **********************/
27
28 /**********************
29 * STATIC VARIABLES
30 **********************/
31
32 /**********************
33 * MACROS
34 **********************/
35
36 /**********************
37 * GLOBAL FUNCTIONS
38 **********************/
39
lv_draw_sw_init_ctx(lv_disp_drv_t * drv,lv_draw_ctx_t * draw_ctx)40 void lv_draw_sw_init_ctx(lv_disp_drv_t * drv, lv_draw_ctx_t * draw_ctx)
41 {
42 LV_UNUSED(drv);
43
44 lv_draw_sw_ctx_t * draw_sw_ctx = (lv_draw_sw_ctx_t *) draw_ctx;
45 lv_memset_00(draw_sw_ctx, sizeof(lv_draw_sw_ctx_t));
46
47 draw_sw_ctx->base_draw.draw_arc = lv_draw_sw_arc;
48 draw_sw_ctx->base_draw.draw_rect = lv_draw_sw_rect;
49 draw_sw_ctx->base_draw.draw_bg = lv_draw_sw_bg;
50 draw_sw_ctx->base_draw.draw_letter = lv_draw_sw_letter;
51 draw_sw_ctx->base_draw.draw_img_decoded = lv_draw_sw_img_decoded;
52 draw_sw_ctx->base_draw.draw_line = lv_draw_sw_line;
53 draw_sw_ctx->base_draw.draw_polygon = lv_draw_sw_polygon;
54 #if LV_DRAW_COMPLEX
55 draw_sw_ctx->base_draw.draw_transform = lv_draw_sw_transform;
56 #endif
57 draw_sw_ctx->base_draw.wait_for_finish = lv_draw_sw_wait_for_finish;
58 draw_sw_ctx->base_draw.buffer_copy = lv_draw_sw_buffer_copy;
59 draw_sw_ctx->base_draw.layer_init = lv_draw_sw_layer_create;
60 draw_sw_ctx->base_draw.layer_adjust = lv_draw_sw_layer_adjust;
61 draw_sw_ctx->base_draw.layer_blend = lv_draw_sw_layer_blend;
62 draw_sw_ctx->base_draw.layer_destroy = lv_draw_sw_layer_destroy;
63 draw_sw_ctx->blend = lv_draw_sw_blend_basic;
64 draw_ctx->layer_instance_size = sizeof(lv_draw_sw_layer_ctx_t);
65 }
66
lv_draw_sw_deinit_ctx(lv_disp_drv_t * drv,lv_draw_ctx_t * draw_ctx)67 void lv_draw_sw_deinit_ctx(lv_disp_drv_t * drv, lv_draw_ctx_t * draw_ctx)
68 {
69 LV_UNUSED(drv);
70
71 lv_draw_sw_ctx_t * draw_sw_ctx = (lv_draw_sw_ctx_t *) draw_ctx;
72 lv_memset_00(draw_sw_ctx, sizeof(lv_draw_sw_ctx_t));
73 }
74
lv_draw_sw_wait_for_finish(lv_draw_ctx_t * draw_ctx)75 void lv_draw_sw_wait_for_finish(lv_draw_ctx_t * draw_ctx)
76 {
77 LV_UNUSED(draw_ctx);
78 /*Nothing to wait for*/
79 }
80
lv_draw_sw_buffer_copy(lv_draw_ctx_t * draw_ctx,void * dest_buf,lv_coord_t dest_stride,const lv_area_t * dest_area,void * src_buf,lv_coord_t src_stride,const lv_area_t * src_area)81 void lv_draw_sw_buffer_copy(lv_draw_ctx_t * draw_ctx,
82 void * dest_buf, lv_coord_t dest_stride, const lv_area_t * dest_area,
83 void * src_buf, lv_coord_t src_stride, const lv_area_t * src_area)
84 {
85 LV_UNUSED(draw_ctx);
86
87 lv_color_t * dest_bufc = dest_buf;
88 lv_color_t * src_bufc = src_buf;
89
90 /*Got the first pixel of each buffer*/
91 dest_bufc += dest_stride * dest_area->y1;
92 dest_bufc += dest_area->x1;
93
94 src_bufc += src_stride * src_area->y1;
95 src_bufc += src_area->x1;
96
97 uint32_t line_length = lv_area_get_width(dest_area) * sizeof(lv_color_t);
98 lv_coord_t y;
99 for(y = dest_area->y1; y <= dest_area->y2; y++) {
100 lv_memcpy(dest_bufc, src_bufc, line_length);
101 dest_bufc += dest_stride;
102 src_bufc += src_stride;
103 }
104 }
105
106 /**********************
107 * STATIC FUNCTIONS
108 **********************/
109
