forked from mkoloberdin/waze
-
Notifications
You must be signed in to change notification settings - Fork 0
/
roadmap_screen.c
5151 lines (4077 loc) · 155 KB
/
roadmap_screen.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* roadmap_screen.c - Draw the map on the screen.
*
* LICENSE:
*
* Copyright 2002 Pascal F. Martin
* Copyright 2008 Ehud Shabtai
*
* This file is part of RoadMap.
*
* RoadMap is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* RoadMap is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RoadMap; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* SYNOPSYS:
*
* See roadmap_screen.h.
*/
#include <math.h>
#include <time.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include "roadmap.h"
#include "roadmap_types.h"
#include "roadmap_bar.h"
#include "roadmap_gui.h"
#include "roadmap_math.h"
#include "roadmap_config.h"
#include "roadmap_layer.h"
#include "roadmap_square.h"
#include "roadmap_line.h"
#include "roadmap_shape.h"
#include "roadmap_point.h"
#include "roadmap_polygon.h"
#include "roadmap_locator.h"
#include "roadmap_navigate.h"
#include "roadmap_street.h"
#include "roadmap_lang.h"
#include "roadmap_messagebox.h"
#include "roadmap_line_route.h"
#include "roadmap_performance.h"
#include "roadmap_map_settings.h"
#include "roadmap_sprite.h"
#include "roadmap_object.h"
#include "roadmap_trip.h"
#include "roadmap_message.h"
#include "roadmap_canvas.h"
#include "roadmap_screen_obj.h"
#include "roadmap_state.h"
#include "roadmap_pointer.h"
#include "roadmap_display.h"
#include "roadmap_label.h"
#include "roadmap_plugin.h"
#include "roadmap_skin.h"
#include "roadmap_main.h"
#include "roadmap_device_events.h"
#include "roadmap_softkeys.h"
#include "editor/editor_screen.h"
#include "navigate/navigate_main.h"
#include "roadmap_download_settings.h"
#include "roadmap_view.h"
#include "roadmap_screen.h"
#include "roadmap_start.h"
#include "Realtime/RealtimeAlerts.h"
#include "Realtime/RealtimeTrafficInfo.h"
#include "Realtime/RealtimeTrafficInfoPlugin.h"
#include "Realtime/RealtimeAlertCommentsList.h"
#include "roadmap_alert.h"
#include "roadmap_alerter.h"
#include "roadmap_res.h"
#include "roadmap_ticker.h"
#include "roadmap_message_ticker.h"
#include "roadmap_warning.h"
#include "roadmap_time.h"
#include "animation/roadmap_animation.h"
//#define HI_RES_SCREEN
#ifdef SSD
#include "ssd/ssd_dialog.h"
#endif
#ifdef VIEW_MODE_3D_OGL
#include "roadmap_canvas3d.h" // roadmap_canvas3_project
#endif// VIEW_MODE_3D_OGL
#ifdef OGL_TILE
#include "roadmap_canvas_tile.h"
#endif// OGL_TILE
#include "roadmap_analytics.h"
extern BOOL roadmap_horizontal_screen_orientation();
static RoadMapConfigDescriptor RoadMapConfigAccuracyMouse =
ROADMAP_CONFIG_ITEM("Accuracy", "Mouse");
static RoadMapConfigDescriptor RoadMapConfigMapBackground =
ROADMAP_CONFIG_ITEM("Map", "Background");
static RoadMapConfigDescriptor RoadMapConfigMapSigns =
ROADMAP_CONFIG_ITEM("Map", "Signs");
static RoadMapConfigDescriptor RoadMapConfigMapRefresh =
ROADMAP_CONFIG_ITEM("Map", "Refresh");
static RoadMapConfigDescriptor RoadMapConfigStylePrettyDrag =
ROADMAP_CONFIG_ITEM("Style", "Pretty Lines when Dragging");
static RoadMapConfigDescriptor RoadMapConfigStyleObjects =
ROADMAP_CONFIG_ITEM("Style", "Show Objects when Dragging");
static RoadMapConfigDescriptor RoadMapConfigMapLabels =
ROADMAP_CONFIG_ITEM("Map", "Labels");
static RoadMapConfigDescriptor RoadMapConfigMapOrientation =
ROADMAP_CONFIG_ITEM("Map", "Orientation");
static RoadMapConfigDescriptor RoadMapConfigShowScreenIconsOnTap =
ROADMAP_CONFIG_ITEM("Map Icons", "Show on screen on tap");
static RoadMapConfigDescriptor RoadMapConfigAutoMeOnMapTime =
ROADMAP_CONFIG_ITEM("Map", "Auto show me on map timer");
static BOOL RoadMapScreenBackgroundRun = FALSE;
#ifndef TOUCH_SCREEN
static BOOL isXIconOpen = FALSE;
#endif
static int RoadMapScreenInitialized = 0;
static int RoadMapScreenFrozen = 0;
static RoadMapGuiPoint RoadMapScreenPointerLocation;
static RoadMapPosition RoadMapScreenCenter = {0,0};
static int RoadMapScreenViewMode = VIEW_MODE_2D;
static int RoadMapScreenOGLViewMode = VIEW_MODE_2D;
static int RoadMapScreenOGLViewModeConfig = VIEW_MODE_2D;
static int RoadMapScreenOrientationMode = ORIENTATION_DYNAMIC;
static int RoadMapScreen3dHorizon;
#ifdef VIEW_MODE_3D_OGL
static int RoadMapScreenOGL3dHorizon;
#endif
static int RoadMapScreenLabels;
static int RoadMapScreenRotation;
static int RoadMapScreenWidth;
static int RoadMapScreenHeight;
static int RoadMapScreenForceRefresh = 0;
static int RoadMapScreenDeltaX;
static int RoadMapScreenDeltaY;
static int RoadMapScreenCenterDelta;
static RoadMapGuiPoint RoadMapScreenCenterPixel;
static RoadMapGuiPoint RoadMapScreenLowerEdge;
static int RoadMapScreenAreaDist[LAYER_PROJ_AREAS-1];
typedef struct {
RoadMapImage image;
int y_offset;
} RoadMapScreenPattern;
static RoadMapPen RoadMapScreenLastPen = NULL;
static RoadMapScreenPattern RoadMapScreenLastPattern = {NULL, 0};
static int RoadMapScreenLastOpposite = 0;
static void roadmap_screen_after_refresh (void) {}
static int RoadMapScreenDirty;
static uint32_t DragLastTime;
static int DragSpeedX;
static int DragSpeedY;
static void roadmap_screen_set_screen_scale( int screen_scale );
static void set_horizon(void);
static BOOL auto_show_me_on_map_enabled(void);
static void roadmap_screen_me_on_map_timer(void);
static void set_me_on_map_timer (void);
static long RoadMapScreenFinalScale = 0;
#ifdef OPENGL
static void animation_set_callback (void *context);
static void animation_ended_callback (void *context);
static RoadMapAnimationCallbacks gAnimationCallbacks =
{
animation_set_callback,
animation_ended_callback
};
static int RoadMapScreenGlowScale = -1;
static RoadMapPosition RoadMapScreenGlowPos;
static RoadMapGuiPoint RoadMapScreenGlowOffset;
int next_pot(int num) {
int outNum = num;
--outNum;
outNum |= outNum >> 1;
outNum |= outNum >> 2;
outNum |= outNum >> 4;
outNum |= outNum >> 8;
outNum |= outNum >> 16;
outNum++;
if (outNum < 16)
outNum = 16;
return outNum;
};
#endif
#if !defined(INLINE_DEC)
#define INLINE_DEC
#endif
INLINE_DEC void set_center (const RoadMapPosition *center, int duration, int timing);
INLINE_DEC void set_scale (long scale, int use_map_units, int duration, int timing);
static RoadMapScreenSubscriber RoadMapScreenAfterRefresh =
roadmap_screen_after_refresh;
static RoadMapScreenSubscriber RoadMapScreenAfterFlowControlRefresh = NULL;
#if defined(IPHONE) || defined(ANDROID) || (defined(OPENGL) && defined(_WIN32))
static int CordingEvent = 0;
static RoadMapPosition CordingAnchors[MAX_CORDING_POINTS];
static BOOL CordingRotationEnabled = TRUE;
static int CordingAngle;
static float CordingScale = 0;
static zoom_t CordingStartZoom = 0;
#endif
/* Define the buffers used to group all actual drawings. */
#ifdef J2ME
#define ROADMAP_SCREEN_BULK 256
#else
#define ROADMAP_SCREEN_BULK 4096
#endif
#define SCREEN_TIMEOUT 5000
#ifdef OPENGL
static const char* SCREEN_OBJECT = "screen_map";
#endif
static int screen_touched = 0;
static int screen_touched_off = 0;
static BOOL me_on_map_timer_on = FALSE;
// 2D / 3D view mode event
static const char* ANALYTICS_EVENT_VIEWMODE_2D = "2D";
static const char* ANALYTICS_EVENT_VIEWMODE_3D = "3D";
/* This is a default definition, because we might want to set this smaller
* for some memory-starved targets.
*/
#ifndef ROADMAP_MAX_VISIBLE
#define ROADMAP_MAX_VISIBLE 2000
#endif
#define SQUARE_IN_VIEW 0x1
#define SQUARE_DRAWN 0x2
#ifdef J2ME
#define REFRESH_FLOW_CONTROL_TIMEOUT 150
#elif (defined (OPENGL) && defined (IPHONE))
#define REFRESH_FLOW_CONTROL_TIMEOUT 30
#else
#define REFRESH_FLOW_CONTROL_TIMEOUT 50
#endif
#define SCREEN_FAST_DRAG 0x1
#define SCREEN_FAST_OTHER 0x2
#define SCREEN_FAST_NO_REDRAW 0x4
#define SCREEN_FAST_ANIMATING 0x8
#ifndef TOUCH_SCREEN
static void roadmap_screen_draw_Xicon();
#endif
static struct {
int *cursor;
int *end;
int data[ROADMAP_SCREEN_BULK];
} RoadMapScreenObjects;
struct roadmap_screen_point_buffer {
RoadMapGuiPoint *cursor;
RoadMapGuiPoint *end;
RoadMapGuiPoint data[ROADMAP_SCREEN_BULK];
unsigned char real[ROADMAP_SCREEN_BULK];
};
static struct roadmap_screen_point_buffer RoadMapScreenLinePoints;
static RoadMapGuiPoint *RoadMapScreenLinePointsAccum = RoadMapScreenLinePoints.data;
static struct roadmap_screen_point_buffer RoadMapScreenPoints;
static int RoadMapPolygonGeoPoints[ROADMAP_SCREEN_BULK];
static RoadMapPen RoadMapBackground = NULL;
static RoadMapPen RoadMapNoTileBg = NULL;
static RoadMapPen RoadMapPenEdges = NULL;
static int RoadMapScreenRefreshFlowControl = 0;
static int RoadMapScreenFastRefresh = 0;
static int RoadMapScreenPrevFast = 0;
#ifdef OGL_TILE
static int RoadMapScreenFastRefreshOverride = 0;
#define FAST_REFRESH (RoadMapScreenFastRefreshOverride ? 0 : RoadMapScreenFastRefresh)
#else
#define FAST_REFRESH (RoadMapScreenFastRefresh)
#endif //OGL_TILE
#if defined(HI_RES_SCREEN)
static int RoadMapScreenType = RM_SCREEN_TYPE_HD_GENERIC; /* High definition by default */
#else
static int RoadMapScreenType = RM_SCREEN_TYPE_SD_GENERIC; /* Standard definition by default */
#endif
static int RoadMapScreenScale = 100; // in % (default is 100%)
static void roadmap_screen_repaint_now (void);
static void roadmap_screen_repaint (void);
#if 1
static void roadmap_screen_mark_fast_repaint (void);
#endif
#if !defined(INLINE_DEC)
#define INLINE_DEC static
#endif
INLINE_DEC void rds_unproject(RoadMapGuiPoint *point)
{
#ifdef VIEW_MODE_3D_OGL
if (RoadMapScreenOGLViewMode== VIEW_MODE_3D) {
roadmap_canvas3_unproject(point);
}
#else
roadmap_math_unproject(point);
#endif// VIEW_MODE_3D_OGL
}
INLINE_DEC void roadmap_screen_flush_points (void) {
if (RoadMapScreenPoints.cursor == RoadMapScreenPoints.data) return;
dbg_time_start(DBG_TIME_FLUSH_POINTS);
roadmap_math_rotate_coordinates
(RoadMapScreenPoints.cursor - RoadMapScreenPoints.data,
RoadMapScreenPoints.data);
roadmap_canvas_draw_multiple_points
(RoadMapScreenPoints.cursor - RoadMapScreenPoints.data,
RoadMapScreenPoints.data);
RoadMapScreenPoints.cursor = RoadMapScreenPoints.data;
dbg_time_end(DBG_TIME_FLUSH_POINTS);
}
INLINE_DEC void roadmap_screen_flush_lines (void) {
if (RoadMapScreenObjects.cursor == RoadMapScreenObjects.data) return;
dbg_time_start(DBG_TIME_FLUSH_LINES);
roadmap_math_rotate_coordinates
(RoadMapScreenLinePoints.cursor - RoadMapScreenLinePoints.data,
RoadMapScreenLinePoints.data);
dbg_time_end(DBG_TIME_FLUSH_LINES);
if (RoadMapScreenLastPattern.image == NULL)
#ifdef BEZIER_LINES
roadmap_canvas_draw_multiple_lines_smooth
(RoadMapScreenObjects.cursor - RoadMapScreenObjects.data,
RoadMapScreenObjects.data,
RoadMapScreenLinePoints.data, FAST_REFRESH);
#else
roadmap_canvas_draw_multiple_lines
(RoadMapScreenObjects.cursor - RoadMapScreenObjects.data,
RoadMapScreenObjects.data,
RoadMapScreenLinePoints.data, FAST_REFRESH);
#endif //BEZIER_LINES
#ifdef OPENGL
else
roadmap_canvas_draw_multiple_tex_lines
(RoadMapScreenObjects.cursor - RoadMapScreenObjects.data,
RoadMapScreenObjects.data,
RoadMapScreenLinePoints.data, FAST_REFRESH,
RoadMapScreenLastPattern.image,
RoadMapScreenLastOpposite,
RoadMapScreenLastPattern.y_offset);
#endif //OPENGL
dbg_time_start(DBG_TIME_FLUSH_LINES);
if (RoadMapScreenLinePoints.cursor < RoadMapScreenLinePointsAccum) {
int count = RoadMapScreenLinePointsAccum - RoadMapScreenLinePoints.cursor;
memmove(RoadMapScreenLinePoints.data, RoadMapScreenLinePointsAccum,
sizeof(*RoadMapScreenLinePointsAccum) * count);
RoadMapScreenLinePointsAccum = RoadMapScreenLinePoints.data + count;
} else {
RoadMapScreenLinePointsAccum = RoadMapScreenLinePoints.data;
}
RoadMapScreenObjects.cursor = RoadMapScreenObjects.data;
RoadMapScreenLinePoints.cursor = RoadMapScreenLinePoints.data;
dbg_time_end(DBG_TIME_FLUSH_LINES);
}
#define SEGMENT_START 0x1
#define SEGMENT_END 0x2
#define SEGMENT_AS_POINT 0x4
#define SEGMENT_OPPOSITE 0x8
INLINE_DEC int roadmap_screen_add_segment_point (RoadMapGuiPoint *point,
RoadMapPen *pens,
int num_pens,
RoadMapScreenPattern *pattern,
int flags) {
int layer_proj = 0;
RoadMapPen pen;
dbg_time_start(DBG_TIME_ADD_SEGMENT);
num_pens--;
if (point) {
#ifndef OGL_TILE
if (isViewModeAny3D())
{
int edge_distance = roadmap_math_screen_distance
(point, &RoadMapScreenLowerEdge, MATH_DIST_SQUARED);
for (layer_proj=0; layer_proj<LAYER_PROJ_AREAS-1; layer_proj++) {
if ((layer_proj == num_pens) || (edge_distance < RoadMapScreenAreaDist[layer_proj]))
break;
}
#if defined (OPENGL) && defined (VIEW_MODE_3D_OGL)
if (pens[layer_proj]) pen = pens[layer_proj];
else pen = NULL;
#else
pen = pens[layer_proj];
#endif
}
else
#endif //!OGL_TILE
{
pen = pens[0];
}
if (flags & SEGMENT_AS_POINT) {
/* This is a speical handling of a point */
if (!pen) {
dbg_time_end(DBG_TIME_ADD_SEGMENT);
return -1;
}
if (RoadMapScreenPoints.cursor >= RoadMapScreenPoints.end) {
roadmap_screen_flush_points ();
}
RoadMapScreenPoints.cursor[0] = *point;
RoadMapScreenPoints.cursor += 1;
} else {
/* This is the start of the segment */
*(RoadMapScreenLinePointsAccum++) = *point;
}
} else {
pen = RoadMapScreenLastPen;
}
if ((RoadMapScreenLastPen != pen) ||
(flags & SEGMENT_END) ||
RoadMapScreenLastPattern.image != pattern->image ||
RoadMapScreenLastPattern.y_offset != pattern->y_offset ||
RoadMapScreenLastOpposite != (flags & SEGMENT_OPPOSITE) ) {
if (RoadMapScreenLastPen &&
(RoadMapScreenLinePointsAccum - RoadMapScreenLinePoints.cursor) > 1) {
*RoadMapScreenObjects.cursor =
RoadMapScreenLinePointsAccum - RoadMapScreenLinePoints.cursor;
RoadMapScreenLinePoints.cursor = RoadMapScreenLinePointsAccum;
RoadMapScreenObjects.cursor += 1;
} else {
RoadMapScreenLinePointsAccum = RoadMapScreenLinePoints.cursor;
}
if (RoadMapScreenLastPen != pen) {
dbg_time_end(DBG_TIME_ADD_SEGMENT);
roadmap_screen_flush_lines ();
roadmap_screen_flush_points ();
dbg_time_start(DBG_TIME_ADD_SEGMENT);
if (pen) roadmap_canvas_select_pen (pen);
RoadMapScreenLastPen = pen;
RoadMapScreenLastPattern.image = pattern->image;
RoadMapScreenLastPattern.y_offset = pattern->y_offset;
RoadMapScreenLastOpposite = flags & SEGMENT_OPPOSITE;
} else if (RoadMapScreenLastPattern.image != pattern->image ||
RoadMapScreenLastPattern.y_offset != pattern->y_offset ||
RoadMapScreenLastOpposite != (flags & SEGMENT_OPPOSITE) ) {
roadmap_screen_flush_lines ();
RoadMapScreenLastPattern.image = pattern->image;
RoadMapScreenLastPattern.y_offset = pattern->y_offset;
RoadMapScreenLastOpposite = flags & SEGMENT_OPPOSITE;
}
if (!(flags & SEGMENT_END) && !(flags & SEGMENT_AS_POINT)) {
*(RoadMapScreenLinePointsAccum++) = *point; /* Show the start of this segment. */
}
}
dbg_time_end(DBG_TIME_ADD_SEGMENT);
if (!pen) return -1;
else return layer_proj;
}
#ifndef J2ME
INLINE_DEC int roadmap_screen_draw_one_line_internal (RoadMapPosition *from,
RoadMapPosition *to,
int fully_visible,
RoadMapPosition *first_shape_pos,
int first_shape,
int last_shape,
RoadMapShapeItr shape_itr,
RoadMapPen *pens,
int num_pens,
int label_max_proj,
int *total_length_ptr,
RoadMapGuiPoint *middle,
int *angle,
RoadMapScreenPattern *pattern,
BOOL opposite) {
RoadMapGuiPoint point0;
RoadMapGuiPoint point1;
/* These are used when the line has a shape: */
RoadMapPosition midposition;
RoadMapPosition last_midposition;
RoadMapScreenPattern empty_pattern = {NULL, 0};
BOOL draw_out_of_screen = FALSE;
if (!pattern)
pattern = &empty_pattern;
int i;
int last_point_visible = 0;
int longest = -1;
int drawn = 0;
int opposite_flag = 0;
dbg_time_start(DBG_TIME_DRAW_ONE_LINE);
if (total_length_ptr) *total_length_ptr = 0;
if (opposite)
opposite_flag = SEGMENT_OPPOSITE;
//fully_visible = 0;
/* if the pen has changed, we need to flush the previous lines and points
*/
if (first_shape >= 0) {
/* Draw a shaped line. */
if (last_shape - first_shape + 3 >=
RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.cursor) {
if (last_shape - first_shape + 3 >=
(RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.data)) {
roadmap_log (ROADMAP_ERROR,
"cannot show all shape points (%d entries needed).",
last_shape - first_shape + 3);
last_shape =
first_shape
+ (RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.data)
- 4;
}
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
roadmap_screen_flush_lines ();
dbg_time_start(DBG_TIME_DRAW_ONE_LINE);
}
/* All the shape positions are relative: we need an absolute position
* to start with.
*/
last_midposition = *from;
midposition = *first_shape_pos;
#ifdef BEZIER_LINES
draw_out_of_screen = TRUE;
#endif
if (fully_visible) {
roadmap_math_coordinate (from, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens,
pattern, opposite_flag | SEGMENT_START);
for (i = first_shape; i <= last_shape; ++i) {
if (shape_itr) (*shape_itr) (i, &midposition);
else roadmap_shape_get_position (i, &midposition);
roadmap_math_coordinate (&midposition, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag);
}
roadmap_math_coordinate (to, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens,
pattern, opposite_flag | SEGMENT_END);
drawn = 1;
} else if (draw_out_of_screen) {
//We will draw full lines (not only visible part) and line out of screen if it is connected to visible line
//this is required for bezier
BOOL line_visible_this, line_visible_next, line_visible_prev = FALSE;
RoadMapPosition pos_this, pos_next, pos_prev;
pos_prev = *from;
if (shape_itr) (*shape_itr) (first_shape, &midposition);
else roadmap_shape_get_position (first_shape, &midposition);
pos_this = midposition;
line_visible_this = roadmap_math_line_is_visible (&pos_prev, &pos_this);
last_point_visible = 0;
for (i = first_shape; i <= last_shape-1; ++i) {
if (shape_itr) (*shape_itr) (i+1, &midposition);
else roadmap_shape_get_position (i+1, &midposition);
pos_next = midposition;
line_visible_next = roadmap_math_line_is_visible (&pos_this, &pos_next);
if (line_visible_this || line_visible_prev || line_visible_next) {//this line should be drawn
roadmap_math_coordinate (&pos_prev, &point0);
if (!last_point_visible) {
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_START);
} else {
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag);
}
last_point_visible = 1;
drawn = 1;
roadmap_math_coordinate (&pos_this, &point1);
if (total_length_ptr) {
int length_sq = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
/* bad math, but it's for a labelling heuristic anyway */
*total_length_ptr += length_sq;
if (length_sq > longest) {
longest = length_sq;
if (angle) {
*angle = roadmap_math_azymuth(&pos_prev, &pos_this);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
} else {
if (last_point_visible) {
roadmap_math_coordinate (&pos_prev, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_END);
last_point_visible = 0;
}
}
pos_prev = pos_this;
line_visible_prev = line_visible_this;
pos_this = pos_next;
line_visible_this = line_visible_next;
}
pos_next = *to;
line_visible_next = roadmap_math_line_is_visible (&pos_this, &pos_next);
if (line_visible_this || line_visible_prev || line_visible_next) {
roadmap_math_coordinate (&pos_prev, &point0);
if (!last_point_visible) {
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_START);
} else {
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag);
}
roadmap_math_coordinate (&pos_this, &point1);
if (total_length_ptr) {
int length_sq = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
/* bad math, but it's for a labelling heuristic anyway */
*total_length_ptr += length_sq;
if (length_sq > longest) {
longest = length_sq;
if (angle) {
*angle = roadmap_math_azymuth(&pos_prev, &pos_this);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
roadmap_math_coordinate (&pos_this, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag);
roadmap_math_coordinate (&pos_next, &point1);
if (total_length_ptr) {
int length_sq = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
/* bad math, but it's for a labelling heuristic anyway */
*total_length_ptr += length_sq;
if (length_sq > longest) {
longest = length_sq;
if (angle) {
*angle = roadmap_math_azymuth(&pos_this, &pos_next);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
roadmap_math_coordinate (&pos_next, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_END);
drawn = 1;
} else {
if (last_point_visible) {
roadmap_math_coordinate (&pos_prev, &point0);
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_END);
last_point_visible = 0;
}
}
} else {
last_point_visible = 0; /* We have drawn nothing yet. */
for (i = first_shape; i <= last_shape; ++i) {
if (shape_itr) (*shape_itr) (i, &midposition);
else roadmap_shape_get_position (i, &midposition);
if (roadmap_math_line_is_visible (&last_midposition, &midposition) &&
roadmap_math_get_visible_coordinates
(&last_midposition, &midposition, &point0, &point1)) {
if ((point0.x == point1.x) && (point0.y == point1.y)) {
if (last_point_visible) {
/* This segment is very short, we can skip it */
last_midposition = midposition;
continue;
}
} else {
if (total_length_ptr) {
int length_sq = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
/* bad math, but it's for a labelling heuristic anyway */
*total_length_ptr += length_sq;
if (length_sq > longest) {
longest = length_sq;
if (angle) {
*angle = roadmap_math_azymuth(&last_midposition, &midposition);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
}
/* Show this line: add 2 points if this is the start of a new
* complete line (i.e. the first visible line), or just add
* one more point to the current complete line.
*/
if (!last_point_visible) {
roadmap_screen_add_segment_point (&point0, pens, num_pens,
pattern, opposite_flag | SEGMENT_START);
drawn = 1;
}
last_point_visible = roadmap_math_point_is_visible (&midposition);
if (last_point_visible) {
roadmap_screen_add_segment_point (&point1, pens, num_pens, pattern, opposite_flag);
drawn = 1;
} else {
/* Show the previous segment as the end of a complete line.
* The remaining part of the shaped line, if any, will be
* drawn as a new complete line.
*/
roadmap_screen_add_segment_point (&point1, pens, num_pens,
pattern, opposite_flag | SEGMENT_END);
drawn = 1;
if (last_shape - i + 3 >=
RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.cursor) {
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
roadmap_screen_flush_lines ();
dbg_time_start(DBG_TIME_DRAW_ONE_LINE);
}
}
}
last_midposition = midposition; /* The latest position is our new start. */
} //for i
if (roadmap_math_get_visible_coordinates
(&last_midposition, to, &point0, &point1)) {
if (total_length_ptr) {
int length_sq = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
if (length_sq) {
/* bad math, but it's for a labelling heuristic anyway */
*total_length_ptr += length_sq;
if (length_sq > longest) {
longest = length_sq;
if (angle) {
*angle = roadmap_math_azymuth(&last_midposition, to);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
}
if (!last_point_visible) {
roadmap_screen_add_segment_point (&point0, pens, num_pens,
pattern, opposite_flag | SEGMENT_START);
}
roadmap_screen_add_segment_point (&point1, pens, num_pens, pattern, opposite_flag);
/* set last point as visible to force line completion at the next
* statement.
*/
last_point_visible = 1;
drawn = 1;
}
if (last_point_visible) {
/* End the current complete line. */
roadmap_screen_add_segment_point (NULL, pens, num_pens,
pattern, opposite_flag | SEGMENT_END);
drawn = 1;
}
}
} else {
/* Draw a line with no shape. */
/* Optimization: do not draw a line that is obviously not visible. */
if (! fully_visible) {
if (! roadmap_math_line_is_visible (from, to)) {
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
return 0;
}
}
/* Optimization: adjust the edges of the line so
* they do not go out of the screen. */
if (!roadmap_math_get_visible_coordinates (from, to, &point0, &point1)) {
return 0;
}
if ((point0.x == point1.x) && (point0.y == point1.y)) {
/* draw a point instead of a line */
roadmap_screen_add_segment_point (&point0, pens, num_pens,
pattern, opposite_flag | SEGMENT_AS_POINT);
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
return 1;
} else {
if (total_length_ptr) {
*total_length_ptr = roadmap_math_screen_distance
(&point1, &point0, MATH_DIST_SQUARED);
if (angle) {
*angle = roadmap_math_azymuth(from, to);
}
middle->x = (point1.x + point0.x) / 2;
middle->y = (point1.y + point0.y) / 2;
}
}
if (RoadMapScreenLinePoints.cursor + 2 >= RoadMapScreenLinePoints.end) {
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
roadmap_screen_flush_lines ();
dbg_time_start(DBG_TIME_DRAW_ONE_LINE);
}
roadmap_screen_add_segment_point (&point0, pens, num_pens, pattern, opposite_flag | SEGMENT_START);
roadmap_screen_add_segment_point (&point1, pens, num_pens, pattern, opposite_flag | SEGMENT_END);
drawn = 1;
}
dbg_time_end(DBG_TIME_DRAW_ONE_LINE);
return drawn;
}
#else
INLINE_DEC int roadmap_screen_draw_one_line_internal (RoadMapPosition *from,
RoadMapPosition *to,
int fully_visible,
RoadMapPosition *first_shape_pos,
int first_shape,
int last_shape,
RoadMapShapeItr shape_itr,
RoadMapPen *pens,
int num_pens,
int label_max_proj,
int *total_length_ptr,
RoadMapGuiPoint *middle,
int *angle) {
RoadMapGuiPoint point0;
RoadMapGuiPoint point1;
/* These are used when the line has a shape: */
RoadMapPosition midposition;
RoadMapPosition last_midposition;
int i;
int longest = -1;
int last_point_visible = 0;
int drawn = 0;
dbg_time_start(DBG_TIME_DRAW_ONE_LINE);
if (total_length_ptr) *total_length_ptr = 0;
if (first_shape >= 0) {
/* Draw a shaped line. */
RoadMapPosition label_p1;
RoadMapPosition label_p2;
if (last_shape - first_shape + 3 >=
RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.cursor) {
if (last_shape - first_shape + 3 >=
(RoadMapScreenLinePoints.end - RoadMapScreenLinePoints.data)) {
roadmap_log (ROADMAP_ERROR,
"cannot show all shape points (%d entries needed).",