Line data Source code
1 : /* File: geometry_offset.inl; Copyright and License: see below */
2 :
3 : #include "u8/u8_trace.h"
4 : #include "u8/u8_log.h"
5 : #include <assert.h>
6 : #include <math.h>
7 :
8 66 : static inline void geometry_offset_init ( geometry_offset_t *this_, double dx, double dy )
9 : {
10 66 : (*this_).dx = dx;
11 66 : (*this_).dy = dy;
12 66 : }
13 :
14 65 : static inline geometry_offset_t geometry_offset_new ( double dx, double dy )
15 : {
16 : geometry_offset_t result;
17 65 : geometry_offset_init( &result, dx, dy );
18 65 : return result;
19 : }
20 :
21 9 : static inline void geometry_offset_reinit ( geometry_offset_t *this_, double dx, double dy )
22 : {
23 9 : (*this_).dx = dx;
24 9 : (*this_).dy = dy;
25 9 : }
26 :
27 1 : static inline void geometry_offset_copy ( geometry_offset_t *this_, const geometry_offset_t *original )
28 : {
29 1 : assert( NULL != original );
30 1 : (*this_) = (*original);
31 1 : }
32 :
33 1 : static inline void geometry_offset_replace ( geometry_offset_t *this_, const geometry_offset_t *original )
34 : {
35 1 : assert( NULL != original );
36 1 : (*this_) = (*original);
37 1 : }
38 :
39 2 : static inline void geometry_offset_destroy ( geometry_offset_t *this_ )
40 : {
41 2 : }
42 :
43 65 : static inline double geometry_offset_get_dx ( const geometry_offset_t *this_ )
44 : {
45 65 : return (*this_).dx;
46 : }
47 :
48 65 : static inline double geometry_offset_get_dy ( const geometry_offset_t *this_ )
49 : {
50 65 : return (*this_).dy;
51 : }
52 :
53 1 : static inline bool geometry_offset_equals ( const geometry_offset_t *this_, const geometry_offset_t *that )
54 : {
55 1 : assert( NULL != that );
56 1 : return ( ( fabs( (*this_).dx - (*that).dx ) + fabs( (*this_).dy - (*that).dy ) ) < 0.000000001 );
57 : }
58 :
59 9 : static inline geometry_direction_t geometry_offset_get_direction ( const geometry_offset_t *this_ )
60 : {
61 : geometry_direction_t result;
62 9 : if ( (*this_).dx > 0.000000001 )
63 : {
64 3 : if ( (*this_).dy > 0.000000001 )
65 : {
66 1 : result = GEOMETRY_DIRECTION_DOWN_RIGHT;
67 : }
68 2 : else if ( (*this_).dy < -0.000000001 )
69 : {
70 1 : result = GEOMETRY_DIRECTION_UP_RIGHT;
71 : }
72 : else
73 : {
74 1 : result = GEOMETRY_DIRECTION_RIGHT;
75 : }
76 : }
77 6 : else if ( (*this_).dx < -0.000000001 )
78 : {
79 3 : if ( (*this_).dy > 0.000000001 )
80 : {
81 1 : result = GEOMETRY_DIRECTION_DOWN_LEFT;
82 : }
83 2 : else if ( (*this_).dy < -0.000000001 )
84 : {
85 1 : result = GEOMETRY_DIRECTION_UP_LEFT;
86 : }
87 : else
88 : {
89 1 : result = GEOMETRY_DIRECTION_LEFT;
90 : }
91 : }
92 : else
93 : {
94 3 : if ( (*this_).dy > 0.000000001 )
95 : {
96 1 : result = GEOMETRY_DIRECTION_DOWN;
97 : }
98 2 : else if ( (*this_).dy < -0.000000001 )
99 : {
100 1 : result = GEOMETRY_DIRECTION_UP;
101 : }
102 : else
103 : {
104 1 : result = GEOMETRY_DIRECTION_CENTER;
105 : }
106 : }
107 9 : return result;
108 : }
109 :
110 1 : static inline void geometry_offset_trace ( const geometry_offset_t *this_ )
111 : {
112 1 : U8_TRACE_INFO( "geometry_offset_t" );
113 1 : U8_TRACE_INFO_INT( "- dx:", (*this_).dx );
114 1 : U8_TRACE_INFO_INT( "- dy:", (*this_).dy );
115 1 : }
116 :
117 :
118 : /*
119 : Copyright 2025-2025 Andreas Warnke
120 :
121 : Licensed under the Apache License, Version 2.0 (the "License");
122 : you may not use this file except in compliance with the License.
123 : You may obtain a copy of the License at
124 :
125 : http://www.apache.org/licenses/LICENSE-2.0
126 :
127 : Unless required by applicable law or agreed to in writing, software
128 : distributed under the License is distributed on an "AS IS" BASIS,
129 : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
130 : See the License for the specific language governing permissions and
131 : limitations under the License.
132 : */
|
