1 /**
2 * MIT License
3 *
4 * -----------------------------------------------------------------------------
5 * Copyright (c) 2008-24 Think Silicon Single Member PC
6 * -----------------------------------------------------------------------------
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a copy
9 * of this software and associated documentation files (the "Software"), to deal
10 * in the Software without restriction, including without limitation the rights to
11 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
12 * the Software, and to permit persons to whom the Software is furnished to do so,
13 * subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the next paragraph)
16 * shall be included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
19 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
20 * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
21 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
22 * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
23 * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 *
25 */
26
27 /**
28 * @file lv_draw_nema_gfx_fill.c
29 *
30 */
31
32 /*********************
33 * INCLUDES
34 *********************/
35 #include "lv_draw_nema_gfx.h"
36
37 #if LV_USE_NEMA_GFX
38
39 /**********************
40 * GLOBAL FUNCTIONS
41 **********************/
lv_draw_nema_gfx_line(lv_draw_unit_t * draw_unit,const lv_draw_line_dsc_t * dsc)42 void lv_draw_nema_gfx_line(lv_draw_unit_t * draw_unit, const lv_draw_line_dsc_t * dsc)
43 {
44 if(dsc->width == 0)
45 return;
46 if(dsc->opa <= (lv_opa_t)LV_OPA_MIN)
47 return;
48 if(dsc->p1.x == dsc->p2.x && dsc->p1.y == dsc->p2.y)
49 return;
50
51 lv_draw_nema_gfx_unit_t * draw_nema_gfx_unit = (lv_draw_nema_gfx_unit_t *)draw_unit;
52
53 lv_layer_t * layer = draw_unit->target_layer;
54 lv_area_t clip_area;
55 clip_area.x1 = LV_MIN(dsc->p1.x, dsc->p2.x) - dsc->width / 2;
56 clip_area.x2 = LV_MAX(dsc->p1.x, dsc->p2.x) + dsc->width / 2;
57 clip_area.y1 = LV_MIN(dsc->p1.y, dsc->p2.y) - dsc->width / 2;
58 clip_area.y2 = LV_MAX(dsc->p1.y, dsc->p2.y) + dsc->width / 2;
59
60 if(!lv_area_intersect(&clip_area, &clip_area, draw_unit->clip_area))
61 return; /*Fully clipped, nothing to do*/
62
63 lv_area_move(&clip_area, -layer->buf_area.x1, -layer->buf_area.y1);
64
65 lv_point_t point1 = {dsc->p1.x - layer->buf_area.x1, dsc->p1.y - layer->buf_area.y1};
66 lv_point_t point2 = {dsc->p2.x - layer->buf_area.x1, dsc->p2.y - layer->buf_area.y1};
67
68 nema_set_clip(clip_area.x1, clip_area.y1, lv_area_get_width(&clip_area), lv_area_get_height(&clip_area));
69
70 lv_color32_t col32 = lv_color_to_32(dsc->color, dsc->opa);
71
72 uint32_t bg_color = nema_rgba(col32.red, col32.green, col32.blue, col32.alpha);
73
74 lv_color_format_t dst_cf = layer->draw_buf->header.cf;
75 uint32_t dst_nema_cf = lv_nemagfx_cf_to_nema(dst_cf);
76
77 nema_bind_dst_tex((uintptr_t)NEMA_VIRT2PHYS(layer->draw_buf->data), lv_area_get_width(&(layer->buf_area)),
78 lv_area_get_height(&(layer->buf_area)), dst_nema_cf,
79 lv_area_get_width(&(layer->buf_area))*lv_color_format_get_size(dst_cf));
80
81 if(col32.alpha < 255U) {
82 nema_set_blend_fill(NEMA_BL_SIMPLE);
83 }
84 else {
85 nema_set_blend_fill(NEMA_BL_SRC);
86 }
87
88 nema_draw_line_aa(point1.x, point1.y, point2.x, point2.y, dsc->width, bg_color);
89
90 nema_cl_submit(&(draw_nema_gfx_unit->cl));
91
92 }
93 #endif
94
