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             : */