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_nema_gfx_path.c
29  *
30  */
31 
32 /*********************
33  *      INCLUDES
34  *********************/
35 #include "../../core/lv_refr.h"
36 
37 #if LV_USE_NEMA_GFX
38 #if LV_USE_NEMA_VG
39 
40 #include "lv_nema_gfx_path.h"
41 
42 /**********************
43  *   GLOBAL FUNCTIONS
44  **********************/
45 
46 static int data_point = 0;
47 static int seg_point  = 0;
48 
lv_nema_gfx_path_create(void)49 lv_nema_gfx_path_t * lv_nema_gfx_path_create(void)
50 {
51     LV_PROFILER_DRAW_BEGIN;
52     lv_nema_gfx_path_t * nema_gfx_path = lv_malloc_zeroed(sizeof(lv_nema_gfx_path_t));
53     LV_ASSERT_MALLOC(nema_gfx_path);
54     nema_gfx_path->seg = NULL;
55     nema_gfx_path->data = NULL;
56     nema_gfx_path->seg_size = 0;
57     nema_gfx_path->data_size = 0;
58     data_point = 0;
59     seg_point  = 0;
60     LV_PROFILER_DRAW_END;
61     return nema_gfx_path;
62 }
63 
lv_nema_gfx_path_alloc(lv_nema_gfx_path_t * nema_gfx_path)64 void lv_nema_gfx_path_alloc(lv_nema_gfx_path_t * nema_gfx_path)
65 {
66     LV_PROFILER_DRAW_BEGIN;
67     nema_gfx_path->path = nema_vg_path_create();
68     nema_gfx_path->paint = nema_vg_paint_create();
69     nema_gfx_path->data = (float *) lv_malloc(nema_gfx_path->data_size * sizeof(float));
70     LV_ASSERT_MALLOC(nema_gfx_path->data);
71     nema_gfx_path->seg = (uint8_t *) lv_malloc(nema_gfx_path->seg_size * sizeof(uint8_t));
72     LV_ASSERT_MALLOC(nema_gfx_path->seg);
73     LV_PROFILER_DRAW_END;
74 }
75 
lv_nema_gfx_path_destroy(lv_nema_gfx_path_t * nema_gfx_path)76 void lv_nema_gfx_path_destroy(lv_nema_gfx_path_t * nema_gfx_path)
77 {
78     LV_PROFILER_DRAW_BEGIN;
79     LV_ASSERT_NULL(nema_gfx_path);
80 
81     if(nema_gfx_path->path != NULL) {
82         nema_vg_path_destroy(nema_gfx_path->path);
83         nema_gfx_path->path = NULL;
84     }
85 
86     if(nema_gfx_path->paint != NULL) {
87         nema_vg_paint_destroy(nema_gfx_path->paint);
88         nema_gfx_path->paint = NULL;
89     }
90 
91     if(nema_gfx_path->data != NULL) {
92         lv_free(nema_gfx_path->data);
93         nema_gfx_path->data = NULL;
94     }
95     if(nema_gfx_path->seg != NULL) {
96         lv_free(nema_gfx_path->seg);
97         nema_gfx_path->seg = NULL;
98     }
99     lv_free(nema_gfx_path);
100     LV_PROFILER_DRAW_END;
101 }
102 
lv_nema_gfx_path_move_to(lv_nema_gfx_path_t * path,float x,float y)103 void lv_nema_gfx_path_move_to(lv_nema_gfx_path_t * path, float x, float y)
104 {
105     LV_ASSERT_NULL(path);
106     LV_ASSERT(path->data_size > data_point + 1);
107     LV_ASSERT(path->seg_size > seg_point);
108     path->seg[seg_point++] = NEMA_VG_PRIM_MOVE;
109     path->data[data_point++] = x;
110     path->data[data_point++] = y;
111 }
112 
lv_nema_gfx_path_line_to(lv_nema_gfx_path_t * path,float x,float y)113 void lv_nema_gfx_path_line_to(lv_nema_gfx_path_t * path, float x, float y)
114 {
115     LV_ASSERT_NULL(path);
116     LV_ASSERT(path->data_size > data_point + 1);
117     LV_ASSERT(path->seg_size > seg_point);
118     path->seg[seg_point++] = NEMA_VG_PRIM_LINE;
119     path->data[data_point++] = x;
120     path->data[data_point++] = y;
121 
122 }
123 
lv_nema_gfx_path_quad_to(lv_nema_gfx_path_t * path,float cx,float cy,float x,float y)124 void lv_nema_gfx_path_quad_to(lv_nema_gfx_path_t * path, float cx, float cy, float x, float y)
125 {
126     LV_ASSERT_NULL(path);
127     LV_ASSERT(path->data_size > data_point + 3);
128     LV_ASSERT(path->seg_size > seg_point);
129     path->seg[seg_point++] = NEMA_VG_PRIM_BEZIER_QUAD;
130     path->data[data_point++] = cx;
131     path->data[data_point++] = cy;
132     path->data[data_point++] = x;
133     path->data[data_point++] = y;
134 }
135 
lv_nema_gfx_path_cubic_to(lv_nema_gfx_path_t * path,float cx1,float cy1,float cx2,float cy2,float x,float y)136 void lv_nema_gfx_path_cubic_to(lv_nema_gfx_path_t * path, float cx1, float cy1, float cx2, float cy2, float x, float y)
137 {
138     LV_ASSERT_NULL(path);
139     LV_ASSERT(path->data_size > data_point + 5);
140     LV_ASSERT(path->seg_size > seg_point);
141     path->seg[seg_point++] = NEMA_VG_PRIM_BEZIER_CUBIC;
142     path->data[data_point++] = cx1;
143     path->data[data_point++] = cy1;
144     path->data[data_point++] = cx2;
145     path->data[data_point++] = cy2;
146     path->data[data_point++] = x;
147     path->data[data_point++] = y;
148 }
149 
lv_nema_gfx_path_end(lv_nema_gfx_path_t * path)150 void lv_nema_gfx_path_end(lv_nema_gfx_path_t * path)
151 {
152     /* Do Path end jobs....whatever*/
153     seg_point = 0;
154     data_point = 0;
155 
156 }
157 
158 #endif  /*LV_USE_NEMA_VG*/
159 #endif  /*LV_USE_NEMA_GFX*/
160