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_fill(lv_draw_unit_t * draw_unit,const lv_draw_fill_dsc_t * dsc,const lv_area_t * coords)42 void lv_draw_nema_gfx_fill(lv_draw_unit_t * draw_unit, const lv_draw_fill_dsc_t * dsc, const lv_area_t * coords)
43 {
44 if(dsc->opa <= LV_OPA_MIN) return;
45
46 lv_draw_nema_gfx_unit_t * draw_nema_gfx_unit = (lv_draw_nema_gfx_unit_t *)draw_unit;
47
48 lv_layer_t * layer = draw_unit->target_layer;
49 lv_area_t rel_coords;
50 lv_area_copy(&rel_coords, coords);
51 lv_area_move(&rel_coords, -layer->buf_area.x1, -layer->buf_area.y1);
52
53 lv_area_t rel_clip_area;
54 lv_area_copy(&rel_clip_area, draw_unit->clip_area);
55 lv_area_move(&rel_clip_area, -layer->buf_area.x1, -layer->buf_area.y1);
56
57 nema_set_clip(rel_clip_area.x1, rel_clip_area.y1, lv_area_get_width(&rel_clip_area),
58 lv_area_get_height(&rel_clip_area));
59
60 lv_area_t clipped_coords;
61 if(!lv_area_intersect(&clipped_coords, &rel_coords, &rel_clip_area))
62 return; /*Fully clipped, nothing to do*/
63
64 lv_color_format_t dst_cf = layer->draw_buf->header.cf;
65 uint32_t dst_nema_cf = lv_nemagfx_cf_to_nema(dst_cf);
66
67 nema_bind_dst_tex((uintptr_t)NEMA_VIRT2PHYS(layer->draw_buf->data), lv_area_get_width(&(layer->buf_area)),
68 lv_area_get_height(&(layer->buf_area)), dst_nema_cf,
69 lv_area_get_width(&(layer->buf_area))*lv_color_format_get_size(dst_cf));
70
71 int32_t coords_bg_w = lv_area_get_width(&rel_coords);
72 int32_t coords_bg_h = lv_area_get_height(&rel_coords);
73 int32_t short_side = LV_MIN(coords_bg_w, coords_bg_h);
74 int32_t radius = LV_MIN(dsc->radius, short_side >> 1);
75
76 if((dsc->grad.dir == (lv_grad_dir_t)LV_GRAD_DIR_NONE)) {
77
78 lv_color32_t col32 = lv_color_to_32(dsc->color, dsc->opa);
79 uint32_t bg_color = nema_rgba(col32.red, col32.green, col32.blue, col32.alpha);
80
81 if(col32.alpha < 255U) {
82 nema_set_blend_fill(NEMA_BL_SRC_OVER);
83 bg_color = nema_premultiply_rgba(bg_color);
84 }
85 else {
86 nema_set_blend_fill(NEMA_BL_SRC);
87 }
88
89 if(radius > 0.f)
90 nema_fill_rounded_rect_aa(rel_coords.x1, rel_coords.y1, coords_bg_w, coords_bg_h, radius, bg_color);
91 else
92 nema_fill_rect(rel_coords.x1, rel_coords.y1, coords_bg_w, coords_bg_h, bg_color);
93 }
94 #if LV_USE_NEMA_VG
95 else {
96
97 nema_vg_paint_clear(draw_nema_gfx_unit->paint);
98
99 nema_vg_paint_set_type(draw_nema_gfx_unit->paint, NEMA_VG_PAINT_GRAD_LINEAR);
100 nema_vg_set_blend(NEMA_BL_SRC_OVER | NEMA_BLOP_SRC_PREMULT);
101
102 float stops[LV_GRADIENT_MAX_STOPS];
103 color_var_t colors[LV_GRADIENT_MAX_STOPS];
104
105 uint32_t cnt = LV_MAX(dsc->grad.stops_count, LV_GRADIENT_MAX_STOPS);
106
107 for(uint8_t i = 0; i < cnt; i++) {
108 stops[i] = (float)(dsc->grad.stops[i].frac) / 255.f;
109 colors[i].a = LV_OPA_MIX2(dsc->grad.stops[i].opa, dsc->opa);
110 colors[i].r = dsc->grad.stops[i].color.red;
111 colors[i].g = dsc->grad.stops[i].color.green;
112 colors[i].b = dsc->grad.stops[i].color.blue;
113 }
114
115 nema_vg_grad_set(draw_nema_gfx_unit->gradient, cnt, stops, colors);
116
117 float x0, y0, x1, y1;
118
119 if(dsc->grad.dir == LV_GRAD_DIR_HOR) {
120 x0 = rel_coords.x1;
121 x1 = rel_coords.x2;
122 y0 = rel_coords.y1;
123 y1 = rel_coords.y1;
124 }
125 else {
126 x0 = rel_coords.x1;
127 x1 = rel_coords.x1;
128 y0 = rel_coords.y1;
129 y1 = rel_coords.y2;
130 }
131
132 nema_vg_paint_set_grad_linear(draw_nema_gfx_unit->paint, draw_nema_gfx_unit->gradient, x0, y0, x1, y1,
133 NEMA_TEX_CLAMP | NEMA_FILTER_BL);
134
135 if(radius > 0.f)
136 nema_vg_draw_rounded_rect(rel_coords.x1, rel_coords.y1, coords_bg_w, coords_bg_h, radius, radius, NULL,
137 draw_nema_gfx_unit->paint);
138 else
139 nema_vg_draw_rect(rel_coords.x1, rel_coords.y1, coords_bg_w, coords_bg_h, NULL, draw_nema_gfx_unit->paint);
140 }
141 #endif
142
143 nema_cl_submit(&(draw_nema_gfx_unit->cl));
144
145 }
146 #endif
147
