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route_point_gui.cpp
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1/**************************************************************************
2 * Copyright (C) 2022 by David Register *
3 * Copyright (C) 2022 Alec Leamas *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, see <https://www.gnu.org/licenses/>. *
17 **************************************************************************/
18
25#include "gl_headers.h"
26
27#include <wx/colour.h>
28#include <wx/gdicmn.h>
29#include <wx/pen.h>
30#include <wx/brush.h>
31
32#include "model/comm_n0183_output.h"
33#include "model/cutil.h"
34#include "model/georef.h"
35#include "model/gui_vars.h"
36#include "model/multiplexer.h"
37#include "model/route.h"
38#include "model/routeman.h"
39#include "model/svg_utils.h"
40
41#include "color_handler.h"
42#include "font_mgr.h"
43#include "gl_chart_canvas.h"
44#include "n0183_ctx_factory.h"
45#include "navutil.h"
46#include "ocpn_platform.h"
47#include "ocpn_plugin.h"
48#include "route_point_gui.h"
49#include "styles.h"
50#include "user_colors.h"
51#include "viewport.h"
52#include "waypointman_gui.h"
53#include "user_colors.h"
54
55void RoutePointGui::Draw(ocpnDC &dc, ChartCanvas *canvas, wxPoint *rpn,
56 bool boverride_viz) {
57 wxPoint r;
58 wxRect hilitebox;
59
60 canvas->GetCanvasPointPix(m_point.m_lat, m_point.m_lon, &r);
61
62 // return the home point in this dc to allow "connect the dots"
63 if (NULL != rpn) *rpn = r;
64
65 if (!RoutePointGui(m_point).IsVisibleSelectable(canvas, boverride_viz))
66 return;
67
68 // If waypoint is well off screen, skip the drawing
69 if ((abs(r.x) > canvas->GetCanvasWidth() * 4) ||
70 (abs(r.y) > canvas->GetCanvasHeight() * 4))
71 return;
72
73 // If waypoint pixel location is invalid, skip the drawing
74 if ((abs(r.x) == INVALID_COORD) || (abs(r.y) == INVALID_COORD)) return;
75
76 // Optimization, especially apparent on tracks in normal cases
77 if (m_point.m_IconName == "empty" && !m_point.m_bShowName &&
78 !m_point.m_bPtIsSelected) {
79 return;
80 }
81
82 wxPen *pen;
83 if (m_point.m_bBlink)
84 pen = g_pRouteMan->GetActiveRoutePointPen();
85 else
86 pen = g_pRouteMan->GetRoutePointPen();
87
88 // Substitue icon?
89 if (m_point.m_IconIsDirty) ReLoadIcon();
90 wxBitmap *pbm;
91 if ((m_point.m_bIsActive) && (m_point.m_IconName != "mob"))
92 pbm = pWayPointMan->GetIconBitmap("activepoint");
93 else
94 pbm = m_point.m_pbmIcon;
95
96 wxBitmap *pbms = NULL;
97 if ((g_MarkScaleFactorExp > 1.0) && !m_point.m_bPreScaled) {
98 if (m_point.m_IconScaleFactor != g_MarkScaleFactorExp) {
99 wxImage scaled_image = pbm->ConvertToImage();
100 int new_width = pbm->GetWidth() * g_MarkScaleFactorExp;
101 int new_height = pbm->GetHeight() * g_MarkScaleFactorExp;
102 m_point.m_ScaledBMP = wxBitmap(
103 scaled_image.Scale(new_width, new_height, wxIMAGE_QUALITY_HIGH));
104
105 m_point.m_IconScaleFactor = g_MarkScaleFactorExp;
106 }
107 if (m_point.m_ScaledBMP.IsOk()) pbm = &m_point.m_ScaledBMP;
108 }
109
110 int sx2 = pbm->GetWidth() / 2;
111 int sy2 = pbm->GetHeight() / 2;
112
113 // Calculate the mark drawing extents
114 wxRect r1(r.x - sx2, r.y - sy2, sx2 * 2, sy2 * 2); // the bitmap extents
115
116 if (m_point.m_bShowName) {
117 if (0 == m_point.m_pMarkFont) {
118 wxFont *dFont = FontMgr::Get().GetFont(_("Marks"));
119 int font_size = wxMax(8, dFont->GetPointSize());
120 font_size /= OCPN_GetWinDIPScaleFactor();
121
122 m_point.m_pMarkFont = FontMgr::Get().FindOrCreateFont(
123 font_size, dFont->GetFamily(), dFont->GetStyle(), dFont->GetWeight(),
124 false, dFont->GetFaceName());
125
126 m_point.m_FontColor = FontMgr::Get().GetFontColor(_("Marks"));
127 m_point.CalculateNameExtents();
128 }
129
130 if (m_point.m_pMarkFont) {
131 wxRect r2(r.x + m_point.m_NameLocationOffsetX,
132 r.y + m_point.m_NameLocationOffsetY, m_point.m_NameExtents.x,
133 m_point.m_NameExtents.y);
134 r1.Union(r2);
135 }
136 }
137
138 hilitebox = r1;
139 hilitebox.x -= r.x;
140 hilitebox.y -= r.y;
141 float radius;
142 if (g_btouch) {
143 hilitebox.Inflate(20);
144 radius = 20.0f;
145 } else {
146 hilitebox.Inflate(4);
147 radius = 4.0f;
148 }
149
150 wxColour hi_colour = pen->GetColour();
151 unsigned char transparency = 100;
152 if (m_point.m_bRPIsBeingEdited) {
153 hi_colour = GetGlobalColor("YELO1");
154 transparency = 150;
155 }
156
157 // Highlite any selected point
158 if (m_point.m_bPtIsSelected || m_point.m_bRPIsBeingEdited) {
159 AlphaBlending(dc, r.x + hilitebox.x, r.y + hilitebox.y, hilitebox.width,
160 hilitebox.height, radius, hi_colour, transparency);
161 }
162
163 bool bDrawHL = false;
164
165 if (m_point.m_bBlink && (g_blinker_tick & 1)) bDrawHL = true;
166
167 if ((!bDrawHL) && (NULL != m_point.m_pbmIcon)) {
168 dc.DrawBitmap(*pbm, r.x - sx2, r.y - sy2, true);
169 // on MSW, the dc Bounding box is not updated on DrawBitmap() method.
170 // Do it explicitely here for all platforms.
171 dc.CalcBoundingBox(r.x - sx2, r.y - sy2);
172 dc.CalcBoundingBox(r.x + sx2, r.y + sy2);
173 }
174
175 if (m_point.m_bShowName && m_point.m_MarkName.Length()) {
176 if (m_point.m_pMarkFont) {
177 dc.SetFont(*m_point.m_pMarkFont);
178 dc.SetTextForeground(m_point.m_FontColor);
179
180 dc.DrawText(m_point.m_MarkName, r.x + m_point.m_NameLocationOffsetX,
181 r.y + m_point.m_NameLocationOffsetY);
182 }
183 }
184
185 // Draw waypoint radar rings if activated
186 if (m_point.m_iWaypointRangeRingsNumber &&
187 m_point.m_bShowWaypointRangeRings) {
188 double factor = 1.00;
189 if (m_point.m_iWaypointRangeRingsStepUnits == 1) // convert km to NMi
190 factor = 1 / 1.852;
191
192 factor *= m_point.m_fWaypointRangeRingsStep;
193
194 double tlat, tlon;
195 wxPoint r1;
196 ll_gc_ll(m_point.m_lat, m_point.m_lon, 0, factor, &tlat, &tlon);
197 canvas->GetCanvasPointPix(tlat, tlon, &r1);
198
199 double lpp =
200 sqrt(pow((double)(r.x - r1.x), 2) + pow((double)(r.y - r1.y), 2));
201 int pix_radius = (int)lpp;
202
203 wxPen ppPen1(m_point.m_wxcWaypointRangeRingsColour, 2);
204 wxBrush saveBrush = dc.GetBrush();
205 wxPen savePen = dc.GetPen();
206 dc.SetPen(ppPen1);
207 dc.SetBrush(wxBrush(m_point.m_wxcWaypointRangeRingsColour,
208 wxBRUSHSTYLE_TRANSPARENT));
209
210 for (int i = 1; i <= m_point.m_iWaypointRangeRingsNumber; i++)
211 dc.StrokeCircle(r.x, r.y, i * pix_radius);
212 dc.SetPen(savePen);
213 dc.SetBrush(saveBrush);
214 }
215
216 // Save the current draw rectangle in the current DC
217 // This will be useful for fast icon redraws
218 m_point.CurrentRect_in_DC.x = r.x + hilitebox.x;
219 m_point.CurrentRect_in_DC.y = r.y + hilitebox.y;
220 m_point.CurrentRect_in_DC.width = hilitebox.width;
221 m_point.CurrentRect_in_DC.height = hilitebox.height;
222
223 if (m_point.m_bBlink)
224 g_blink_rect = m_point.CurrentRect_in_DC; // also save for global blinker
225
226 delete pbms; // the potentially scaled bitmap
227}
228
229#ifdef ocpnUSE_GL
230void RoutePointGui::DrawGL(ViewPort &vp, ChartCanvas *canvas, ocpnDC &dc,
231 bool use_cached_screen_coords, bool bVizOverride) {
232 if (!RoutePointGui(m_point).IsVisibleSelectable(canvas, bVizOverride)) return;
233
234 // Optimization, especially apparent on tracks in normal cases
235 if (m_point.m_IconName == "empty" && !m_point.m_bShowName &&
236 !m_point.m_bPtIsSelected)
237 return;
238
239 if (m_point.m_wpBBox.GetValid() &&
240 vp.view_scale_ppm == m_point.m_wpBBox_view_scale_ppm &&
241 vp.rotation == m_point.m_wpBBox_rotation) {
242 /* see if this waypoint can intersect with bounding box */
243 LLBBox vpBBox = vp.GetBBox();
244 if (vpBBox.IntersectOut(m_point.m_wpBBox)) {
245 // Are Range Rings enabled?
246 if (m_point.m_bShowWaypointRangeRings &&
247 (m_point.m_iWaypointRangeRingsNumber > 0)) {
248 double factor = 1.00;
249 if (m_point.m_iWaypointRangeRingsStepUnits == 1) // convert km to NMi
250 factor = 1 / 1.852;
251
252 double radius = factor * m_point.m_iWaypointRangeRingsNumber *
253 m_point.m_fWaypointRangeRingsStep / 60.;
254
255 LLBBox radar_box = m_point.m_wpBBox;
256 radar_box.EnLarge(radius * 2);
257 if (vpBBox.IntersectOut(radar_box)) {
258 return;
259 }
260 } else
261 return;
262 }
263 }
264
265 wxPoint r;
266 wxRect hilitebox;
267 unsigned char transparency = 150;
268
269 if (use_cached_screen_coords && m_point.m_pos_on_screen)
270 r.x = m_point.m_screen_pos.m_x, r.y = m_point.m_screen_pos.m_y;
271 else
272 canvas->GetCanvasPointPix(m_point.m_lat, m_point.m_lon, &r);
273
274 if (r.x == INVALID_COORD) return;
275
276 // Substitute icon?
277 if (m_point.m_IconIsDirty) ReLoadIcon();
278 wxBitmap *pbm;
279 if ((m_point.m_bIsActive) && (m_point.m_IconName != "mob"))
280 pbm = pWayPointMan->GetIconBitmap("activepoint");
281 else
282 pbm = m_point.m_pbmIcon;
283
284 // If icon is corrupt, there is really nothing else to do...
285 if (!pbm || !pbm->IsOk()) return;
286
287 int sx2 = pbm->GetWidth() / 2;
288 int sy2 = pbm->GetHeight() / 2;
289
290 // Calculate the mark drawing extents
291 wxRect r1(r.x - sx2, r.y - sy2, sx2 * 2, sy2 * 2); // the bitmap extents
292
293 wxRect r3 = r1;
294 if (m_point.m_bShowName) {
295 if (!m_point.m_pMarkFont) {
296 wxFont *dFont = FontMgr::Get().GetFont(_("Marks"));
297 int font_size = wxMax(8, dFont->GetPointSize());
298 font_size /= OCPN_GetWinDIPScaleFactor();
299
300 m_point.m_pMarkFont = FontMgr::Get().FindOrCreateFont(
301 font_size, dFont->GetFamily(), dFont->GetStyle(), dFont->GetWeight(),
302 false, dFont->GetFaceName());
303
304 m_point.m_FontColor = FontMgr::Get().GetFontColor(_("Marks"));
305 if (m_point.m_iTextTexture) {
306 glDeleteTextures(1, &m_point.m_iTextTexture);
307 m_point.m_iTextTexture = 0;
308 }
309
310 m_point.CalculateNameExtents();
311 }
312
313 if (m_point.m_pMarkFont) {
314 wxRect r2(r.x + m_point.m_NameLocationOffsetX,
315 r.y + m_point.m_NameLocationOffsetY, m_point.m_NameExtents.x,
316 m_point.m_NameExtents.y);
317 r3.Union(r2);
318 }
319 }
320
321 hilitebox = r3;
322 hilitebox.x -= r.x;
323 hilitebox.y -= r.y;
324
325 if (!m_point.m_bPreScaled) {
326 hilitebox.x *= g_MarkScaleFactorExp;
327 hilitebox.y *= g_MarkScaleFactorExp;
328 hilitebox.width *= g_MarkScaleFactorExp;
329 hilitebox.height *= g_MarkScaleFactorExp;
330 }
331
332 float radius;
333 if (g_btouch) {
334 hilitebox.Inflate(20);
335 radius = 20.0f;
336 } else {
337 hilitebox.Inflate(4);
338 radius = 4.0f;
339 }
340
341 /* update bounding box */
342 if (!m_point.m_wpBBox.GetValid() ||
343 vp.view_scale_ppm != m_point.m_wpBBox_view_scale_ppm ||
344 vp.rotation != m_point.m_wpBBox_rotation) {
345 double lat1, lon1, lat2, lon2;
346 canvas->GetCanvasPixPoint(r.x + hilitebox.x,
347 r.y + hilitebox.y + hilitebox.height, lat1, lon1);
348 canvas->GetCanvasPixPoint(r.x + hilitebox.x + hilitebox.width,
349 r.y + hilitebox.y, lat2, lon2);
350
351 if (lon1 > lon2)
352 m_point.m_wpBBox.Set(lat1, lon1, lat2, lon2 + 360);
353 else
354 m_point.m_wpBBox.Set(lat1, lon1, lat2, lon2);
355
356 m_point.m_wpBBox_view_scale_ppm = vp.view_scale_ppm;
357 m_point.m_wpBBox_rotation = vp.rotation;
358 }
359
360 // if(region.Contains(r3) == wxOutRegion)
361 // return;
362
363 // ocpnDC dc;
364
365 // Highlite any selected point
366 if (m_point.m_bPtIsSelected) {
367 wxColour hi_colour;
368 if (m_point.m_bBlink) {
369 wxPen *pen = g_pRouteMan->GetActiveRoutePointPen();
370 hi_colour = pen->GetColour();
371 } else {
372 hi_colour = GetGlobalColor("YELO1");
373 }
374
375 AlphaBlending(dc, r.x + hilitebox.x, r.y + hilitebox.y, hilitebox.width,
376 hilitebox.height, radius, hi_colour, transparency);
377 }
378
379 bool bDrawHL = false;
380
381 if (m_point.m_bBlink && (g_blinker_tick & 1)) bDrawHL = true;
382
383 if ((!bDrawHL) && (NULL != m_point.m_pbmIcon)) {
384 int glw, glh;
385 unsigned int IconTexture =
386 WayPointmanGui(*pWayPointMan).GetIconTexture(pbm, glw, glh);
387
388 glBindTexture(GL_TEXTURE_2D, IconTexture);
389
390 glEnable(GL_TEXTURE_2D);
391 glEnable(GL_BLEND);
392
393 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
394 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
395
396 int w = r1.width, h = r1.height;
397
398 float scale = 1.0;
399 if (!m_point.m_bPreScaled) {
400 scale = g_MarkScaleFactorExp;
401 }
402
403 // Scale for MacOS Retina and GTK screen scaling
404 scale *= GetOCPNCanvasWindow()->GetContentScaleFactor();
405
406 float ws = r1.width * scale;
407 float hs = r1.height * scale;
408 float xs = r.x - ws / 2.;
409 float ys = r.y - hs / 2.;
410 float u = (float)w / glw, v = (float)h / glh;
411
412 float coords[8];
413 float uv[8];
414 // normal uv
415 uv[0] = 0;
416 uv[1] = 0;
417 uv[2] = u;
418 uv[3] = 0;
419 uv[4] = u;
420 uv[5] = v;
421 uv[6] = 0;
422 uv[7] = v;
423
424 // pixels
425 coords[0] = xs;
426 coords[1] = ys;
427 coords[2] = xs + ws;
428 coords[3] = ys;
429 coords[4] = xs + ws;
430 coords[5] = ys + hs;
431 coords[6] = xs, coords[7] = ys + hs;
432
433 glChartCanvas::RenderSingleTexture(dc, coords, uv, &vp, 0, 0, 0);
434
435 glDisable(GL_BLEND);
436 glDisable(GL_TEXTURE_2D);
437 }
438
439 if (m_point.m_bShowName && m_point.m_pMarkFont) {
440 int w = m_point.m_NameExtents.x, h = m_point.m_NameExtents.y;
441 if (!m_point.m_iTextTexture && w && h) {
442#if 0
443 wxBitmap tbm(w, h); /* render text on dc */
444 wxMemoryDC dc;
445 dc.SelectObject(tbm);
446 dc.SetBackground(wxBrush(*wxBLACK));
447 dc.Clear();
448 dc.SetFont(*m_pMarkFont);
449 dc.SetTextForeground(*wxWHITE);
450 dc.DrawText(m_MarkName, 0, 0);
451 dc.SelectObject(wxNullBitmap);
452
453 /* make alpha texture for text */
454 wxImage image = tbm.ConvertToImage();
455 unsigned char *d = image.GetData();
456 unsigned char *e = new unsigned char[w * h];
457 if (d && e) {
458 for (int p = 0; p < w * h; p++) e[p] = d[3 * p + 0];
459 }
460
461 /* create texture for rendered text */
462 glGenTextures(1, &m_iTextTexture);
463 glBindTexture(GL_TEXTURE_2D, m_iTextTexture);
464
465 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
466 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
467
468 m_iTextTextureWidth = NextPow2(w);
469 m_iTextTextureHeight = NextPow2(h);
470 glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, m_iTextTextureWidth,
471 m_iTextTextureHeight, 0, GL_ALPHA, GL_UNSIGNED_BYTE, NULL);
472 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_ALPHA, GL_UNSIGNED_BYTE,
473 e);
474 delete[] e;
475#else
476 wxScreenDC sdc;
477 sdc.SetFont(*m_point.m_pMarkFont);
478
479 /* create bitmap of appropriate size and select it */
480 wxBitmap bmp(w, h);
481 wxMemoryDC temp_dc;
482 temp_dc.SelectObject(bmp);
483
484 /* fill bitmap with black */
485 temp_dc.SetBackground(wxBrush(wxColour(0, 0, 0)));
486 temp_dc.Clear();
487
488 /* draw the text white */
489 temp_dc.SetFont(*m_point.m_pMarkFont);
490 temp_dc.SetTextForeground(wxColour(255, 255, 255));
491 temp_dc.DrawText(m_point.m_MarkName, 0, 0);
492 temp_dc.SelectObject(wxNullBitmap);
493
494 /* use the data in the bitmap for alpha channel,
495 and set the color to text foreground */
496 wxImage image = bmp.ConvertToImage();
497
498 unsigned char *data = new unsigned char[w * h * 4];
499 unsigned char *im = image.GetData();
500
501 if (im) {
502 unsigned int r = m_point.m_FontColor.Red();
503 unsigned int g = m_point.m_FontColor.Green();
504 unsigned int b = m_point.m_FontColor.Blue();
505 for (int i = 0; i < h; i++) {
506 for (int j = 0; j < w; j++) {
507 unsigned int index = ((i * w) + j) * 4;
508 data[index] = r;
509 data[index + 1] = g;
510 data[index + 2] = b;
511 data[index + 3] = im[((i * w) + j) * 3];
512 }
513 }
514 }
515
516 glGenTextures(1, &m_point.m_iTextTexture);
517
518 glBindTexture(GL_TEXTURE_2D, m_point.m_iTextTexture);
519
520 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
521 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
522
523 m_point.m_iTextTextureWidth = NextPow2(w);
524 m_point.m_iTextTextureHeight = NextPow2(h);
525 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_point.m_iTextTextureWidth,
526 m_point.m_iTextTextureHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE,
527 NULL);
528 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE,
529 data);
530
531 delete[] data;
532
533 glEnable(GL_TEXTURE_2D);
534 glEnable(GL_BLEND);
535 glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
536
537#endif
538 }
539
540 if (m_point.m_iTextTexture) {
541 /* draw texture with text */
542 glBindTexture(GL_TEXTURE_2D, m_point.m_iTextTexture);
543
544 glEnable(GL_TEXTURE_2D);
545 glEnable(GL_BLEND);
546
547 int x = r.x + m_point.m_NameLocationOffsetX,
548 y = r.y + m_point.m_NameLocationOffsetY;
549 float u = (float)w / m_point.m_iTextTextureWidth,
550 v = (float)h / m_point.m_iTextTextureHeight;
551 float coords[8];
552 float uv[8];
553 // normal uv
554 uv[0] = 0;
555 uv[1] = 0;
556 uv[2] = u;
557 uv[3] = 0;
558 uv[4] = u;
559 uv[5] = v;
560 uv[6] = 0;
561 uv[7] = v;
562
563 // pixels
564 coords[0] = x;
565 coords[1] = y;
566 coords[2] = x + w;
567 coords[3] = y;
568 coords[4] = x + w;
569 coords[5] = y + h;
570 coords[6] = x, coords[7] = y + h;
571
572 glChartCanvas::RenderSingleTexture(dc, coords, uv, &vp, 0, 0, 0);
573
574 glDisable(GL_BLEND);
575 glDisable(GL_TEXTURE_2D);
576 }
577 }
578
579 // Draw waypoint radar rings if activated
580 if (m_point.m_iWaypointRangeRingsNumber &&
581 m_point.m_bShowWaypointRangeRings) {
582 double factor = 1.00;
583 if (m_point.m_iWaypointRangeRingsStepUnits == 1) // convert km to NMi
584 factor = 1 / 1.852;
585
586 factor *= m_point.m_fWaypointRangeRingsStep;
587
588 double tlat, tlon;
589 wxPoint r1;
590 ll_gc_ll(m_point.m_lat, m_point.m_lon, 0, factor, &tlat, &tlon);
591 canvas->GetCanvasPointPix(tlat, tlon, &r1);
592
593 double lpp =
594 sqrt(pow((double)(r.x - r1.x), 2) + pow((double)(r.y - r1.y), 2));
595 int pix_radius = (int)lpp;
596
597 wxColor ring_dim_color =
598 user_colors::GetDimColor(m_point.m_wxcWaypointRangeRingsColour);
599
600 // 0.5 mm nominal, but not less than 1 pixel
601 double platform_pen_width =
602 wxRound(wxMax(1.0, g_Platform->GetDisplayDPmm() / 2));
603 wxPen ppPen1(ring_dim_color, platform_pen_width);
604 wxBrush saveBrush = dc.GetBrush();
605 wxPen savePen = dc.GetPen();
606 dc.SetPen(ppPen1);
607 dc.SetBrush(wxBrush(ring_dim_color, wxBRUSHSTYLE_TRANSPARENT));
608
609 for (int i = 1; i <= m_point.m_iWaypointRangeRingsNumber; i++)
610 dc.StrokeCircle(r.x, r.y, i * pix_radius);
611 dc.SetPen(savePen);
612 dc.SetBrush(saveBrush);
613 }
614
615 // Render Drag handle if enabled
616 if (m_point.m_bDrawDragHandle) {
617 // A line, southeast, scaled to the size of the icon
618 double platform_pen_width = wxRound(
619 wxMax(1.0, g_Platform->GetDisplayDPmm() /
620 2)); // 0.5 mm nominal, but not less than 1 pixel
621
622 wxColor dh_color = GetGlobalColor("YELO1");
623 wxPen ppPen1(dh_color, 3 * platform_pen_width);
624 dc.SetPen(ppPen1);
625 dc.DrawLine(r.x + hilitebox.width / 4, r.y + hilitebox.height / 4,
626 r.x + m_point.m_drag_line_length_man,
627 r.y + m_point.m_drag_line_length_man);
628
629 dh_color = wxColor(0, 0, 0);
630 wxPen ppPen2(dh_color, platform_pen_width);
631 dc.SetPen(ppPen2);
632 dc.DrawLine(r.x + hilitebox.width / 4, r.y + hilitebox.height / 4,
633 r.x + m_point.m_drag_line_length_man,
634 r.y + m_point.m_drag_line_length_man);
635
636 // The drag handle
637 glBindTexture(GL_TEXTURE_2D, m_point.m_dragIconTexture);
638
639 glEnable(GL_TEXTURE_2D);
640 glEnable(GL_BLEND);
641
642 int x = r.x + m_point.m_drag_icon_offset,
643 y = r.y + m_point.m_drag_icon_offset, w = m_point.m_dragIcon.GetWidth(),
644 h = m_point.m_dragIcon.GetHeight();
645
646 float scale = 1.0;
647
648 float ws = w * scale;
649 float hs = h * scale;
650 float xs = x - ws / 2.;
651 float ys = y - hs / 2.;
652 float u = (float)w / m_point.m_dragIconTextureWidth,
653 v = (float)h / m_point.m_dragIconTextureWidth;
654
655 float coords[8];
656 float uv[8];
657 // normal uv
658 uv[0] = 0;
659 uv[1] = 0;
660 uv[2] = u;
661 uv[3] = 0;
662 uv[4] = u;
663 uv[5] = v;
664 uv[6] = 0;
665 uv[7] = v;
666
667 // pixels
668 coords[0] = xs;
669 coords[1] = ys;
670 coords[2] = xs + ws;
671 coords[3] = ys;
672 coords[4] = xs + ws;
673 coords[5] = ys + hs;
674 coords[6] = xs, coords[7] = ys + hs;
675
676 glChartCanvas::RenderSingleTexture(dc, coords, uv, &vp, 0, 0, 0);
677
678 glDisable(GL_BLEND);
679 glDisable(GL_TEXTURE_2D);
680 }
681
682 if (m_point.m_bBlink)
683 g_blink_rect = m_point.CurrentRect_in_DC; // also save for global blinker
684
685 // This will be useful for fast icon redraws
686 m_point.CurrentRect_in_DC.x = r.x + hilitebox.x;
687 m_point.CurrentRect_in_DC.y = r.y + hilitebox.y;
688 m_point.CurrentRect_in_DC.width = hilitebox.width;
689 m_point.CurrentRect_in_DC.height = hilitebox.height;
690
691 if (m_point.m_bBlink)
692 g_blink_rect = m_point.CurrentRect_in_DC; // also save for global blinker
693}
694#endif
695
696void RoutePointGui::CalculateDCRect(wxDC &dc, ChartCanvas *canvas,
697 wxRect *prect) {
698 if (canvas) {
699 dc.ResetBoundingBox();
700 dc.DestroyClippingRegion();
701
702 // Draw the mark on the dc
703 ocpnDC odc(dc);
704 odc.SetVP(canvas->GetVP());
705
706 Draw(odc, canvas, NULL);
707
708 // Retrieve the drawing extents
709 prect->x = dc.MinX() - 1;
710 prect->y = dc.MinY() - 1;
711 prect->width = dc.MaxX() - dc.MinX() + 2; // Mouse Poop?
712 prect->height = dc.MaxY() - dc.MinY() + 2;
713 }
714}
715
716bool RoutePointGui::IsVisibleSelectable(ChartCanvas *cc, bool boverrideViz) {
717 return m_point.IsVisibleSelectable(cc->GetScaleValue(), boverrideViz);
718}
719
720wxPoint2DDouble RoutePointGui::GetDragHandlePoint(ChartCanvas *canvas) {
721 if (!m_point.m_bDrawDragHandle)
722 return wxPoint2DDouble(m_point.m_lon, m_point.m_lat);
723 else {
724 return computeDragHandlePoint(canvas);
725 }
726}
727void RoutePointGui::SetPointFromDraghandlePoint(ChartCanvas *canvas, double lat,
728 double lon) {
729 wxPoint r;
730 canvas->GetCanvasPointPix(lat, lon, &r);
731 double tlat, tlon;
732 canvas->GetCanvasPixPoint(r.x - m_point.m_drag_icon_offset,
733 r.y - m_point.m_drag_icon_offset, tlat, tlon);
734 m_point.m_lat = tlat;
735 m_point.m_lon = tlon;
736}
737
738void RoutePointGui::SetPointFromDraghandlePoint(ChartCanvas *canvas, int x,
739 int y) {
740 double tlat, tlon;
741 canvas->GetCanvasPixPoint(
742 x - m_point.m_drag_icon_offset - m_point.m_draggingOffsetx,
743 y - m_point.m_drag_icon_offset - m_point.m_draggingOffsety, tlat, tlon);
744 m_point.m_lat = tlat;
745 m_point.m_lon = tlon;
746}
747
748void RoutePointGui::PresetDragOffset(ChartCanvas *canvas, int x, int y) {
749 wxPoint r;
750 canvas->GetCanvasPointPix(m_point.m_lat, m_point.m_lon, &r);
751
752 m_point.m_draggingOffsetx = x - (r.x + m_point.m_drag_icon_offset);
753 m_point.m_draggingOffsety = y - (r.y + m_point.m_drag_icon_offset);
754}
755
756wxPoint2DDouble RoutePointGui::computeDragHandlePoint(ChartCanvas *canvas) {
757 wxPoint r;
758 canvas->GetCanvasPointPix(m_point.m_lat, m_point.m_lon, &r);
759 double lat, lon;
760 canvas->GetCanvasPixPoint(r.x + m_point.m_drag_icon_offset,
761 r.y + m_point.m_drag_icon_offset, lat, lon);
762
763 // Keep the members updated
764 m_point.m_dragHandleLat = lat;
765 m_point.m_dragHandleLon = lon;
766
767 return wxPoint2DDouble(lon, lat);
768}
769
770void RoutePointGui::ShowScaleWarningMessage(ChartCanvas *canvas) {
771 wxString strA = _("The ScaMin value for new waypoints is set to");
772 wxString strB = _("but current chartscale is");
773 wxString strC =
774 _("Therefore the new waypoint will not be visible at this zoom level.");
775 wxString MessStr =
776 wxString::Format("%s %li,\n %s %.0f.\n%s", strA, m_point.GetScaMin(),
777 strB, canvas->GetScaleValue(), strC);
778 OCPNMessageBox(canvas, MessStr);
779}
780
781void RoutePointGui::EnableDragHandle(bool bEnable) {
782 m_point.m_bDrawDragHandle = bEnable;
783 if (bEnable) {
784 if (!m_point.m_dragIcon.IsOk()) {
785 // Get the icon
786 // What size?
787 int bm_size = g_Platform->GetDisplayDPmm() * 9; // 9 mm nominal
788
789 // What icon?
790 wxString UserIconPath = g_Platform->GetSharedDataDir() + "uidata" +
791 wxFileName::GetPathSeparator();
792
793 m_point.m_dragIcon = LoadSVG(UserIconPath + "DragHandle.svg", bm_size,
794 bm_size, m_point.m_pbmIcon);
795
796 // build a texture
797#ifdef ocpnUSE_GL
798 /* make rgba texture */
799 if (m_point.m_dragIconTexture == 0) {
800 glGenTextures(1, &m_point.m_dragIconTexture);
801 glBindTexture(GL_TEXTURE_2D, m_point.m_dragIconTexture);
802
803 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
804 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
805 glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
806
807 wxImage image = m_point.m_dragIcon.ConvertToImage();
808 int w = image.GetWidth(), h = image.GetHeight();
809
810 m_point.m_dragIconTextureWidth = NextPow2(w);
811 m_point.m_dragIconTextureHeight = NextPow2(h);
812
813 unsigned char *d = image.GetData();
814 unsigned char *a = image.GetAlpha();
815
816 unsigned char mr, mg, mb;
817 image.GetOrFindMaskColour(&mr, &mg, &mb);
818
819 unsigned char *e = new unsigned char[4 * w * h];
820 if (d && e) {
821 for (int y = 0; y < h; y++)
822 for (int x = 0; x < w; x++) {
823 unsigned char r, g, b;
824 int off = (y * image.GetWidth() + x);
825 r = d[off * 3 + 0];
826 g = d[off * 3 + 1];
827 b = d[off * 3 + 2];
828 e[off * 4 + 0] = r;
829 e[off * 4 + 1] = g;
830 e[off * 4 + 2] = b;
831
832 e[off * 4 + 3] =
833 a ? a[off] : ((r == mr) && (g == mg) && (b == mb) ? 0 : 255);
834 }
835 }
836
837 glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, m_point.m_dragIconTextureWidth,
838 m_point.m_dragIconTextureHeight, 0, GL_RGBA,
839 GL_UNSIGNED_BYTE, NULL);
840 glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, w, h, GL_RGBA, GL_UNSIGNED_BYTE,
841 e);
842
843 delete[] e;
844 }
845#endif
846
847 // set the drawing metrics
848 if (m_point.m_dragIcon.IsOk()) {
849 m_point.m_drag_line_length_man = bm_size;
850 m_point.m_drag_icon_offset = bm_size;
851 } else {
852 m_point.m_drag_line_length_man = 64;
853 m_point.m_drag_icon_offset = 64;
854 }
855 }
856 }
857}
858
859void RoutePointGui::ReLoadIcon() {
860 if (!pWayPointMan) return;
861 bool icon_exists = pWayPointMan->DoesIconExist(m_point.m_IconName);
862
863 wxString iconUse = m_point.m_IconName;
864 if (!icon_exists) {
865 // Try all lower case as a favor in the case where imported waypoints use
866 // mixed case names
867 wxString tentative_icon = m_point.m_IconName.Lower();
868 if (pWayPointMan->DoesIconExist(tentative_icon)) {
869 // if found, convert point's icon name permanently.
870 m_point.m_IconName = tentative_icon;
871 iconUse = m_point.m_IconName;
872 }
873 // Icon name is not in the standard or user lists, so add to the list a
874 // generic placeholder
875 else {
876 if (!pWayPointMan->DoesIconExist("tempsub")) {
877 ocpnStyle::Style *style = g_StyleManager->GetCurrentStyle();
878 if (style) {
879 wxBitmap bmp = style->GetIcon("circle");
880 if (bmp.IsOk()) {
881 wxImage image = bmp.ConvertToImage();
882 WayPointmanGui(*pWayPointMan)
883 .ProcessIcon(image, "tempsub", "tempsub");
884 }
885 }
886 }
887 iconUse = "tempsub";
888 }
889 }
890
891 m_point.m_pbmIcon = pWayPointMan->GetIconBitmap(iconUse);
892 m_point.m_bPreScaled = pWayPointMan->GetIconPrescaled(iconUse);
893
894#ifdef ocpnUSE_GL
895 m_point.m_wpBBox_view_scale_ppm = -1;
896
897 m_point.m_iTextTexture = 0;
898#endif
899
900 m_point.m_IconScaleFactor = -1; // Force scaled icon reload
901 m_point.m_pMarkFont = 0; // Force Font color reload
902 m_point.m_IconIsDirty = false;
903}
904
905bool RoutePointGui::SendToGPS(const wxString &com_name, SendToGpsDlg *dialog) {
906 N0183DlgCtx dlg_ctx = GetDialogCtx(dialog);
907 ::wxBeginBusyCursor();
908 int result = SendWaypointToGPS_N0183(&m_point, com_name, *g_pMUX, dlg_ctx);
909 ::wxEndBusyCursor();
910
911 wxString msg;
912 if (0 == result)
913 msg = _("Waypoint(s) Transmitted.");
914 else {
915 switch (result) {
916 case ERR_GARMIN_INITIALIZE:
917 msg = _("Error on Waypoint Upload. Garmin GPS not connected");
918 break;
919 case ERR_GPS_DRIVER_NOT_AVAILAIBLE:
920 msg = _("Error on Waypoint Upload. GPS driver not available");
921 break;
922 case ERR_GARMIN_SEND_MESSAGE:
923 default:
924 msg = _("Error on Waypoint Upload. Please check logfiles...");
925 break;
926 }
927 }
928
929 OCPNMessageBox(NULL, msg, _("OpenCPN Info"), wxOK | wxICON_INFORMATION);
930
931 return (result == 0);
932}
933
934int RoutePointGui::GetIconImageIndex() {
935 if (m_point.IsShared()) {
936 // Get an array of all routes using this point
937 wxArrayPtrVoid *proute_array =
938 g_pRouteMan->GetRouteArrayContaining(&m_point);
939
940 // Use route array (if any) to determine actual visibility for this point
941 bool brp_viz = false;
942 if (proute_array) {
943 for (unsigned int ir = 0; ir < proute_array->GetCount(); ir++) {
944 Route *pr = (Route *)proute_array->Item(ir);
945 if (pr->IsVisible()) {
946 brp_viz = true;
947 break;
948 }
949 }
950 delete proute_array;
951 }
952
953 if (brp_viz)
954 return (pWayPointMan->GetFIconImageListIndex(GetIconBitmap()));
955 else {
956 if (m_point.IsVisible())
957 return (pWayPointMan->GetIconImageListIndex(GetIconBitmap()));
958 else
959 return (pWayPointMan->GetXIconImageListIndex(GetIconBitmap()));
960 }
961 }
962
963 else { // point is not shared
964 if (m_point.IsVisible())
965 return (pWayPointMan->GetIconImageListIndex(GetIconBitmap()));
966 else
967 return (pWayPointMan->GetXIconImageListIndex(GetIconBitmap()));
968 }
969}
ChartCanvas
ChartCanvas - Main chart display and interaction component.
Definition chcanv.h:173
ChartCanvas::GetCanvasPointPix
bool GetCanvasPointPix(double rlat, double rlon, wxPoint *r)
Convert latitude/longitude to canvas pixel coordinates (physical pixels) rounded to nearest integer.
Definition chcanv.cpp:4547
ChartCanvas::GetCanvasPixPoint
void GetCanvasPixPoint(double x, double y, double &lat, double &lon)
Convert canvas pixel coordinates (physical pixels) to latitude/longitude.
Definition chcanv.cpp:4572
FontMgr::FindOrCreateFont
wxFont * FindOrCreateFont(int point_size, wxFontFamily family, wxFontStyle style, wxFontWeight weight, bool underline=false, const wxString &facename=wxEmptyString, wxFontEncoding encoding=wxFONTENCODING_DEFAULT)
Creates or finds a matching font in the font cache.
Definition font_mgr.cpp:442
FontMgr::GetFontColor
wxColour GetFontColor(const wxString &TextElement) const
Gets the text color for a UI element.
Definition font_mgr.cpp:110
FontMgr::GetFont
wxFont * GetFont(const wxString &TextElement, int requested_font_size=0)
Get a font object for a UI element.
Definition font_mgr.cpp:193
RoutePoint::m_wxcWaypointRangeRingsColour
wxColour m_wxcWaypointRangeRingsColour
Color for the range rings display.
Definition route_point.h:509
RoutePoint::m_wpBBox
LLBBox m_wpBBox
Bounding box for the waypoint.
Definition route_point.h:526
RoutePoint::m_iWaypointRangeRingsNumber
int m_iWaypointRangeRingsNumber
Number of range rings to display around the waypoint.
Definition route_point.h:496
RoutePoint::m_NameLocationOffsetX
int m_NameLocationOffsetX
Horizontal offset for waypoint name placement relative to the icon.
Definition route_point.h:462
RoutePoint::m_bRPIsBeingEdited
bool m_bRPIsBeingEdited
Flag indicating if this waypoint is currently being edited.
Definition route_point.h:386
RoutePoint::CurrentRect_in_DC
wxRect CurrentRect_in_DC
Current rectangle occupied by the waypoint in the display.
Definition route_point.h:458
RoutePoint::m_iTextTexture
unsigned int m_iTextTexture
Texture identifier for rendered text.
Definition route_point.h:513
RoutePoint::m_NameLocationOffsetY
int m_NameLocationOffsetY
Vertical offset for waypoint name placement relative to the icon.
Definition route_point.h:466
RoutePoint::m_pos_on_screen
bool m_pos_on_screen
Flag indicating if the waypoint is currently visible on screen.
Definition route_point.h:532
RoutePoint::m_bIsActive
bool m_bIsActive
Flag indicating if this waypoint is active for navigation.
Definition route_point.h:411
RoutePoint::m_iTextTextureHeight
int m_iTextTextureHeight
Height of the text texture in pixels.
Definition route_point.h:521
RoutePoint::m_IconIsDirty
bool m_IconIsDirty
Flag indicating if the waypoint icon needs to be reloaded or redrawn.
Definition route_point.h:415
RoutePoint::m_pMarkFont
wxFont * m_pMarkFont
Font used for rendering the waypoint name.
Definition route_point.h:432
RoutePoint::m_bShowName
bool m_bShowName
Flag indicating if the waypoint name should be shown.
Definition route_point.h:450
RoutePoint::m_bBlink
bool m_bBlink
Flag indicating if the waypoint should blink when displayed.
Definition route_point.h:446
RoutePoint::m_bPtIsSelected
bool m_bPtIsSelected
Flag indicating if this waypoint is currently selected.
Definition route_point.h:381
RoutePoint::m_iTextTextureWidth
int m_iTextTextureWidth
Width of the text texture in pixels.
Definition route_point.h:517
RoutePoint::m_FontColor
wxColour m_FontColor
Color used for rendering the waypoint name.
Definition route_point.h:437
RoutePoint::m_NameExtents
wxSize m_NameExtents
Size of the waypoint name text when rendered.
Definition route_point.h:442
RoutePoint::m_iWaypointRangeRingsStepUnits
int m_iWaypointRangeRingsStepUnits
Units for the range rings step (0=nm, 1=km).
Definition route_point.h:505
RoutePoint::m_fWaypointRangeRingsStep
float m_fWaypointRangeRingsStep
Distance between consecutive range rings.
Definition route_point.h:501
RoutePoint::m_screen_pos
wxPoint2DDouble m_screen_pos
Cached screen position of the waypoint for drawing arrows and points.
Definition route_point.h:537
RoutePoint::m_bShowWaypointRangeRings
bool m_bShowWaypointRangeRings
Flag indicating if range rings should be shown around the waypoint.
Definition route_point.h:492
Route
Represents a navigational route in the navigation system.
Definition route.h:99
Routeman::GetRouteArrayContaining
wxArrayPtrVoid * GetRouteArrayContaining(RoutePoint *pWP)
Find all routes that contain the given waypoint.
Definition routeman.cpp:150
SendToGpsDlg
Dialog for sending routes/waypoints to a GPS device.
Definition send_to_gps_dlg.h:59
ViewPort
ViewPort - Core geographic projection and coordinate transformation engine.
Definition viewport.h:56
ViewPort::view_scale_ppm
double view_scale_ppm
Requested view scale in physical pixels per meter (ppm), before applying projections.
Definition viewport.h:204
ViewPort::rotation
double rotation
Rotation angle of the viewport in radians.
Definition viewport.h:214
WayPointman::GetXIconImageListIndex
int GetXIconImageListIndex(const wxBitmap *pbm) const
index of "X-ed out" icon in the image list
Definition routeman.cpp:1347
WayPointman::GetFIconImageListIndex
int GetFIconImageListIndex(const wxBitmap *pbm) const
index of "fixed viz" icon in the image list
Definition routeman.cpp:1351
ocpnDC
Device context class that can use either wxDC or OpenGL for drawing.
Definition ocpndc.h:60
color_handler.h
Global color handling by name.
comm_n0183_output.h
NMEA Data Multiplexer Object.
ERR_GPS_DRIVER_NOT_AVAILAIBLE
#define ERR_GPS_DRIVER_NOT_AVAILAIBLE
GPS driver not available.
Definition comm_n0183_output.h:51
ERR_GARMIN_SEND_MESSAGE
#define ERR_GARMIN_SEND_MESSAGE
Failed to send message to Garmin device.
Definition comm_n0183_output.h:47
ERR_GARMIN_INITIALIZE
#define ERR_GARMIN_INITIALIZE
Failed to initialize Garmin device.
Definition comm_n0183_output.h:43
cutil.h
Extern C linked utilities.
font_mgr.h
Font list manager.
georef.h
OpenCPN Georef utility.
gl_chart_canvas.h
OpenGL chart rendering canvas.
gl_headers.h
Platform independent GL includes.
gui_vars.h
Miscellaneous globals primarely used by gui layer, not persisted in configuration file.
multiplexer.h
Multiplexer class and helpers.
n0183_ctx_factory.h
Wrapper creating a N0183DlgCtx based on a SendToGpsDlg instance.
navutil.h
Utility functions.
ocpn_platform.h
OpenCPN Platform specific support utilities.
ocpn_plugin.h
PlugIn Object Definition/API.
GetOCPNCanvasWindow
wxWindow * GetOCPNCanvasWindow()
Gets OpenCPN's main canvas window.
Definition ocpn_plugin_gui.cpp:207
OCPN_GetWinDIPScaleFactor
double OCPN_GetWinDIPScaleFactor()
Gets Windows-specific DPI scaling factor.
Definition ocpn_plugin_gui.cpp:2650
route.h
Route abstraction.
g_blink_rect
wxRect g_blink_rect
Global instance.
Definition route_point.cpp:45
route_point_gui.h
Purpose: Track and Trackpoint drawing stuff.
g_pRouteMan
Routeman * g_pRouteMan
Global instance.
Definition routeman.cpp:60
routeman.h
Route Manager.
styles.h
Chart Symbols.
LoadSVG
wxBitmap LoadSVG(const wxString filename, const unsigned int width, const unsigned int height, wxBitmap *default_bitmap, bool use_cache)
Load SVG file and return it's bitmap representation of requested size In case file can't be loaded an...
Definition svg_utils.cpp:59
svg_utils.h
SVG utilities.
viewport.h
Geographic projection and coordinate transformations.
waypointman_gui.h
WaypointMan drawing stuff.