Line data    Source code

       1              : /* File: gui_sketch_marker.c; Copyright and License: see below */
       2              : 
       3              : #include "sketch/gui_sketch_marker.h"
       4              : #include "u8/u8_trace.h"
       5              : #include <stdio.h>
       6              : #include <stdlib.h>
       7              : #include <assert.h>
       8              : 
       9              : static const double BLACK_R = 0.0;
      10              : static const double BLACK_G = 0.0;
      11              : static const double BLACK_B = 0.0;
      12              : static const double BLACK_A = 1.0;
      13              : static const double WHITE_R = 1.0;
      14              : static const double WHITE_G = 1.0;
      15              : static const double WHITE_B = 1.0;
      16              : static const double WHITE_A = 1.0;
      17              : 
      18              : static const double LINE_W = 1.0;
      19              : 
      20            0 : void gui_sketch_marker_prepare_draw ( const gui_sketch_marker_t *this_,
      21              :                                       data_id_t element_id,
      22              :                                       const gui_marked_set_t *marked_set,
      23              :                                       shape_int_rectangle_t rect,
      24              :                                       cairo_t *cr )
      25              : {
      26            0 :     const data_id_t focused_id = gui_marked_set_get_focused_obj ( marked_set );
      27            0 :     const data_id_t highlighted_id = gui_marked_set_get_highlighted ( marked_set );
      28            0 :     const data_id_t highlighted_diag_id = gui_marked_set_get_highlighted_diagram ( marked_set );
      29            0 :     const data_small_set_t *const selected_set = gui_marked_set_get_selected_set_const ( marked_set );
      30              : 
      31            0 :     const int32_t left = shape_int_rectangle_get_left( &rect );
      32            0 :     const int32_t top = shape_int_rectangle_get_top( &rect );
      33            0 :     const uint32_t width = shape_int_rectangle_get_width( &rect );
      34            0 :     const uint32_t height = shape_int_rectangle_get_height( &rect );
      35              : 
      36              :     /* mark highlighted */
      37            0 :     if (( data_id_equals( &element_id, &highlighted_id ) )
      38            0 :         ||( data_id_equals( &element_id, &highlighted_diag_id ) ))
      39              :     {
      40              :         /* draw a white border around the target rectangle */
      41              :         {
      42            0 :             cairo_set_source_rgba( cr, WHITE_R, WHITE_G, WHITE_B, WHITE_A );
      43            0 :             cairo_rectangle ( cr, left-3, top-1, 2.0*LINE_W, height+2 );
      44            0 :             cairo_rectangle ( cr, left-3, top-3, width+6, 2.0*LINE_W );
      45            0 :             cairo_rectangle ( cr, left+width+1, top-1, 2.0*LINE_W, height+2 );
      46            0 :             cairo_rectangle ( cr, left-3, top+height+1, width+6, 2.0*LINE_W );
      47            0 :             cairo_fill (cr);
      48              :         }
      49              :     }
      50              : 
      51              :     /* mark focused diagram */
      52            0 :     if ( data_id_equals( &element_id, &focused_id ) )
      53              :     {
      54            0 :         cairo_set_source_rgba( cr, BLACK_R, BLACK_G, BLACK_B, BLACK_A );
      55            0 :         cairo_rectangle ( cr, left-2, top-1, LINE_W, height+2 );
      56            0 :         cairo_rectangle ( cr, left-2, top-2, width+4, LINE_W );
      57            0 :         cairo_rectangle ( cr, left+width+1, top-1, LINE_W, height+2 );
      58            0 :         cairo_rectangle ( cr, left-2, top+height+1, width+4, LINE_W );
      59            0 :         cairo_fill (cr);
      60              :     }
      61              : 
      62              :     /* mark focused */
      63            0 :     if ( data_id_equals( &element_id, &focused_id ) && (*this_).with_pencil_markers )
      64              :     {
      65              :         geometry_rectangle_t pencil_rect;
      66            0 :         geometry_rectangle_init( &pencil_rect, left, top, width, height );
      67            0 :         pencil_marker_mark_focused_rectangle( &((*this_).pencil_marker), pencil_rect, cr );
      68              :     }
      69              : 
      70              :     /* mark selected */
      71            0 :     if ( data_small_set_contains( selected_set, element_id ) && (*this_).with_pencil_markers )
      72              :     {
      73              :         geometry_rectangle_t pencil_rect;
      74            0 :         geometry_rectangle_init( &pencil_rect, left, top, width, height );
      75            0 :         pencil_marker_mark_selected_rectangle( &((*this_).pencil_marker), pencil_rect, cr );
      76              :     }
      77              : 
      78              :     /* set color to mark highlighted */
      79            0 :     if ( data_id_equals( &element_id, &highlighted_id ) )
      80              :     {
      81              :         /* use same color as in pencil_size.inl */
      82            0 :         cairo_set_source_rgba( cr, 0.0, 0.6, 0.4, 1.0 );
      83              :     }
      84              :     else
      85              :     {
      86            0 :         cairo_set_source_rgba( cr, BLACK_R, BLACK_G, BLACK_B, BLACK_A );
      87              :     }
      88            0 : }
      89              : 
      90              : 
      91              : /*
      92              : Copyright 2018-2025 Andreas Warnke
      93              : 
      94              : Licensed under the Apache License, Version 2.0 (the "License");
      95              : you may not use this file except in compliance with the License.
      96              : You may obtain a copy of the License at
      97              : 
      98              :     http://www.apache.org/licenses/LICENSE-2.0
      99              : 
     100              : Unless required by applicable law or agreed to in writing, software
     101              : distributed under the License is distributed on an "AS IS" BASIS,
     102              : WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     103              : See the License for the specific language governing permissions and
     104              : limitations under the License.
     105              : */