2 Copyright (C) 2009 Paul Davis
3 Copyright (C) 2015 Robin Gareus <robin@gareus.org>
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.
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.
15 You should have received a copy of the GNU General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #include <math.h> // M_PI
23 #include <algorithm> // std:min
24 #include "gtkmm2ext/ardour_icon.h"
26 using namespace Gtkmm2ext::ArdourIcon;
28 /* general style info:
30 * - geometry: icons should be centered, spanning
31 * wh = std::min (width * .5, height *.5) * .55;
33 * - all shapes should have a contrasting outline
34 * (usually white foreground, black outline)
37 #define OUTLINEWIDTH 1.5 // px
39 #define VECTORICONSTROKEFILL(fillalpha) \
40 cairo_set_line_width (cr, OUTLINEWIDTH); \
41 cairo_set_source_rgba (cr, 0, 0, 0, 1.0); \
42 cairo_stroke_preserve (cr); \
43 cairo_set_source_rgba (cr, 1, 1, 1, (fillalpha)); \
46 #define VECTORICONSTROKEOUTLINE(LW, color) \
47 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); \
48 cairo_set_line_width (cr, (LW) + OUTLINEWIDTH); \
49 ardour_icon_set_source_inv_rgba (cr, color); \
50 cairo_stroke_preserve (cr); \
51 ardour_icon_set_source_rgba (cr, color); \
52 cairo_set_line_width (cr, (LW)); \
56 /** convert 32bit 'RRGGBBAA' to cairo doubles
57 * from libs/canvas/utils.cc and canvas/types.h: typedef uint32_t Color;
59 static void ardour_icon_set_source_rgba (cairo_t *cr, uint32_t color)
61 cairo_set_source_rgba (cr,
62 ((color >> 24) & 0xff) / 255.0,
63 ((color >> 16) & 0xff) / 255.0,
64 ((color >> 8) & 0xff) / 255.0,
65 ((color >> 0) & 0xff) / 255.0
70 static void ardour_icon_set_source_inv_rgba (cairo_t *cr, uint32_t color)
72 cairo_set_source_rgba (cr,
73 1.0 - ((color >> 24) & 0xff) / 255.0,
74 1.0 - ((color >> 16) & 0xff) / 255.0,
75 1.0 - ((color >> 8) & 0xff) / 255.0,
76 ((color >> 0) & 0xff) / 255.0
80 /*****************************************************************************
82 * Foreground is always white, compatible with small un-blurred rendering.
85 /** internal edit icon */
86 static void icon_tool_content (cairo_t *cr, const int width, const int height) {
87 #define EM_POINT(X,Y) round (x + (X) * em) + .5, round (y + (Y) * em) + .5
89 const double x = width * .5;
90 const double y = height * .5;
91 const double em = std::min (x, y) * .1; // 1px at 20x20
93 // draw dot outlines (control-points)
94 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
95 cairo_close_path (cr);
96 cairo_move_to (cr, EM_POINT(-2.5, 4.0));
97 cairo_close_path (cr);
98 cairo_move_to (cr, EM_POINT( 5.0, -5.0));
99 cairo_close_path (cr);
101 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
102 ardour_icon_set_source_inv_rgba (cr, 0xffffffff);
103 cairo_set_line_width (cr, 3 * em + OUTLINEWIDTH);
107 cairo_move_to (cr, EM_POINT(-7.0, -5.0));
108 cairo_line_to (cr, EM_POINT( 0.0, -5.0));
110 cairo_move_to (cr, EM_POINT( 2.0, 4.0));
111 cairo_line_to (cr, EM_POINT( 6.0, 4.0));
113 // automation line (connect control-points)
114 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
115 cairo_line_to (cr, EM_POINT(-2.5, 4.0));
116 cairo_line_to (cr, EM_POINT( 5.0, -5.0));
118 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
119 VECTORICONSTROKEOUTLINE(1 * em, 0xffffffff);
121 // remove automation line outline at control-points
122 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
123 cairo_close_path (cr);
124 cairo_move_to (cr, EM_POINT(-2.5, 4.0));
125 cairo_close_path (cr);
126 cairo_move_to (cr, EM_POINT( 5.0, -5.0));
127 cairo_close_path (cr);
129 ardour_icon_set_source_rgba (cr, 0xffffffff);
130 cairo_set_line_width (cr, 3 * em);
135 /** range tool |<->| */
136 static void icon_tool_range (cairo_t *cr, const int width, const int height)
138 const double x = width * .5;
139 const double y = height * .5;
140 const double wh = std::min (x, y) * .55;
141 const double lw = rint (wh / 6.0); // line width
142 const double ar = wh * .6; // arrow
144 const double bw = ceil (wh) - .5;
145 const double y0 = ceil (y);
146 const double ym = rint (y0 - wh * .1) + .5; // arrow-horizontal; slightly to the top, on a px
147 const double x0 = rint (x) - bw; // left arrow tip
148 const double x1 = rint (x) + bw; // right arrow tip
150 // left and right box
151 cairo_move_to (cr, x0, y0 - bw);
152 cairo_line_to (cr, x0, y0 + bw);
153 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
154 cairo_move_to (cr, x1, y0 - bw);
155 cairo_line_to (cr, x1, y0 + bw);
156 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
159 cairo_move_to (cr, x0 + ar, ym - ar);
160 cairo_line_to (cr, x0 + .5, ym);
161 cairo_line_to (cr, x0 + ar, ym + ar);
163 cairo_move_to (cr, x1 - ar, ym - ar);
164 cairo_line_to (cr, x1 - .5, ym);
165 cairo_line_to (cr, x1 - ar, ym + ar);
167 // line connecting the arrows
168 cairo_move_to (cr, x0, ym);
169 cairo_line_to (cr, x1, ym);
170 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
172 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
173 cairo_set_line_width (cr, lw);
175 cairo_move_to (cr, x0, y0 - bw);
176 cairo_line_to (cr, x0, y0 + bw);
179 cairo_move_to (cr, x1, y0 - bw);
180 cairo_line_to (cr, x1, y0 + bw);
186 /** Grab/Object tool - 6x8em "hand", with 'em' wide index finger. */
187 static void icon_tool_grab (cairo_t *cr, const int width, const int height)
189 const double x = width * .5;
190 const double y = height * .5;
191 const double em = std::min (x, y) * .15; // 1.5px at 20x20
193 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
196 cairo_move_to (cr, EM_POINT( 2.0, 4.0));
197 cairo_line_to (cr, EM_POINT(-1.5, 4.0));
198 cairo_line_to (cr, EM_POINT(-2.5, 2.0));
200 cairo_line_to (cr, EM_POINT(-3.0, 1.0));
203 cairo_line_to (cr, EM_POINT(-2.0, 0.0));
204 cairo_line_to (cr, EM_POINT(-2.1, -4.0));
205 cairo_line_to (cr, EM_POINT(-1.5, -4.5));
206 cairo_line_to (cr, EM_POINT(-1.1, -4.0));
207 cairo_line_to (cr, EM_POINT(-1.0, 0.1));
209 // middle finger knuckle
210 cairo_line_to (cr, EM_POINT(-0.6, 0.3));
211 cairo_line_to (cr, EM_POINT(-0.3, 0.0));
212 cairo_line_to (cr, EM_POINT(-0.2, -0.2));
213 cairo_line_to (cr, EM_POINT( 0.1, -0.3));
214 cairo_line_to (cr, EM_POINT( 0.4, -0.2));
215 cairo_line_to (cr, EM_POINT( 0.5, 0.1));
217 // ring finger knuckle
218 cairo_line_to (cr, EM_POINT( 0.8, 0.4));
219 cairo_line_to (cr, EM_POINT( 1.1, 0.2));
220 cairo_line_to (cr, EM_POINT( 1.2, 0.0));
221 cairo_line_to (cr, EM_POINT( 1.5, -0.1));
222 cairo_line_to (cr, EM_POINT( 1.8, 0.0));
223 cairo_line_to (cr, EM_POINT( 1.9, 0.4));
226 cairo_line_to (cr, EM_POINT( 2.0, 0.6));
227 cairo_line_to (cr, EM_POINT( 2.4, 0.4));
228 cairo_line_to (cr, EM_POINT( 2.8, 0.5));
229 cairo_line_to (cr, EM_POINT( 3.0, 1.0));
232 cairo_line_to (cr, EM_POINT( 3.0, 1.5));
233 cairo_line_to (cr, EM_POINT( 2.0, 4.0));
235 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
236 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
237 VECTORICONSTROKEFILL(1.0);
241 /** cut icon - scissors */
242 static void icon_tool_cut (cairo_t *cr, const int width, const int height)
244 const double x = width * .5;
245 const double y = height * .5;
246 const double em = std::min (x, y) * .1; // 1px at 20x20
248 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
251 cairo_translate (cr, EM_POINT(4, -3));
252 cairo_scale (cr, 1.6, 1.0); // ellipse
253 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
256 cairo_move_to (cr, EM_POINT(-6.0, 2.5));
257 cairo_line_to (cr, EM_POINT( 5.5, -2.0));
259 cairo_move_to (cr, EM_POINT(-6.0, -2.5));
260 cairo_line_to (cr, EM_POINT( 5.5, 2.0));
263 cairo_translate (cr, EM_POINT(4, 3));
264 cairo_scale (cr, 1.6, 1.0); // ellipse
265 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
268 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
269 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
271 VECTORICONSTROKEOUTLINE (1.5 * em, 0xffffffff);
275 /** time stretch icon */
276 static void icon_tool_stretch (cairo_t *cr, const int width, const int height)
278 const double x = width * .5;
279 const double y = height * .5;
280 const double wh = std::min (x, y) * .55;
282 const double y0 = ceil (y);
283 const double bw = rint (wh);
284 const double lw = rint (wh / 3.0) / 2.0;
285 const double x0 = rint (x + lw) + .5;
287 // box indication region
288 cairo_rectangle (cr, x0 - lw - bw - .5, y0 - bw, lw + bw, 2 * bw);
289 VECTORICONSTROKEFILL (0.75);
291 cairo_set_line_width (cr, 1.0);
294 cairo_move_to (cr, x0, y);
295 cairo_line_to (cr, x0 - lw * 2, y);
296 cairo_line_to (cr, x0 - lw * 2, y - lw * 3.5);
297 cairo_line_to (cr, x0 - lw * 6, y);
298 cairo_line_to (cr, x0 - lw * 2, y + lw * 3.5);
299 cairo_line_to (cr, x0 - lw * 2, y);
301 cairo_set_source_rgba (cr, 0, 0, 0, .5);
302 cairo_stroke_preserve (cr);
303 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
306 // outside/right arrow
307 cairo_move_to (cr, x0, y);
308 cairo_line_to (cr, x0 + lw * 2, y);
309 cairo_line_to (cr, x0 + lw * 2, y - lw * 4);
310 cairo_line_to (cr, x0 + lw * 6, y);
311 cairo_line_to (cr, x0 + lw * 2, y + lw * 4);
312 cairo_line_to (cr, x0 + lw * 2, y);
314 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
315 cairo_stroke_preserve (cr);
316 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
320 /** audition - small speaker with sound-waves*/
321 static void icon_tool_audition (cairo_t *cr, const int width, const int height)
323 const double x = width * .5;
324 const double y = height * .5;
325 const double em = std::min (x, y) * .1; // 1px at 20x20
327 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
329 cairo_move_to (cr, EM_POINT(-7.0, -2.0));
330 cairo_line_to (cr, EM_POINT(-7.0, 2.0));
331 cairo_line_to (cr, EM_POINT(-6.0, 3.0));
332 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
333 cairo_line_to (cr, EM_POINT( 2.0, 6.0));
334 cairo_line_to (cr, EM_POINT( 2.0, -6.0));
335 cairo_line_to (cr, EM_POINT(-3.0, -3.0));
336 cairo_line_to (cr, EM_POINT(-6.0, -3.0));
337 cairo_close_path (cr);
339 cairo_pattern_t *speaker;
340 speaker = cairo_pattern_create_linear (EM_POINT(0, -3.0), EM_POINT(0, 3.0));
341 cairo_pattern_add_color_stop_rgba (speaker, 0.0, 0.8, 0.8, 0.8, 1.0);
342 cairo_pattern_add_color_stop_rgba (speaker, 0.25, 1.0, 1.0, 1.0, 1.0);
343 cairo_pattern_add_color_stop_rgba (speaker, 1.0, 0.6, 0.6, 0.6, 1.0);
345 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
346 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
347 cairo_set_line_width (cr, 1.5);
348 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
349 cairo_stroke_preserve (cr);
350 cairo_set_source (cr, speaker);
352 cairo_pattern_destroy (speaker);
354 // TODO use a slight curve
355 cairo_move_to (cr, EM_POINT(-3.0, -3.0));
356 cairo_line_to (cr, EM_POINT(-3.5, 0.0));
357 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
358 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
359 cairo_set_line_width (cr, 1.0);
364 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
365 cairo_set_source_rgba (cr, 1, 1, 1, 1);
367 cairo_translate (cr, EM_POINT (4.0, 0));
368 cairo_scale (cr, 0.8, 1.25); // ellipse
370 cairo_arc (cr, 0, 0, 4 * em, -.5 * M_PI, .5 * M_PI);
371 cairo_set_line_width (cr, .8 * em);
374 cairo_arc (cr, 0, 0, 2 * em, -.5 * M_PI, .5 * M_PI);
375 cairo_set_line_width (cr, .5 * em);
381 /** pen top-left to bottom right */
382 static void icon_tool_draw (cairo_t *cr, const int width, const int height)
384 const double x = width * .5;
385 const double y = height * .5;
386 const double em = std::min (x, y) * .1; // 1px at 20x20
388 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
390 // pen [6,-5] to [-3, 3]
391 // y = -8 * x / 9 + 1/3
394 cairo_move_to (cr, EM_POINT( 5.0, -6.11));
395 cairo_line_to (cr, EM_POINT( 6.4, -5.35)); // todo round properly.
396 cairo_line_to (cr, EM_POINT( 7.0, -3.88));
399 cairo_line_to (cr, EM_POINT(-2.0, 4.11));
400 cairo_line_to (cr, EM_POINT(-6.0, 5.66)); // pen tip
401 cairo_line_to (cr, EM_POINT(-4.0, 1.88));
402 cairo_close_path (cr);
404 cairo_pattern_t *pen;
405 pen = cairo_pattern_create_linear (EM_POINT(-3.0, -6.0), EM_POINT(6.0, 4.0));
406 cairo_pattern_add_color_stop_rgba (pen, 0.4, 0.6, 0.6, 0.6, 1.0);
407 cairo_pattern_add_color_stop_rgba (pen, 0.5, 1.0, 1.0, 1.0, 1.0);
408 cairo_pattern_add_color_stop_rgba (pen, 0.6, 0.1, 0.1, 0.1, 1.0);
410 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
411 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
412 cairo_set_line_width (cr, em + .5);
413 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
414 cairo_stroke_preserve (cr);
415 cairo_set_source (cr, pen);
419 cairo_move_to (cr, EM_POINT(-2.0, 4.11));
420 cairo_line_to (cr, EM_POINT(-3.0, 2.8)); // slight curve [-3,3]
421 cairo_line_to (cr, EM_POINT(-4.0, 2.0));
422 cairo_set_line_width (cr, OUTLINEWIDTH);
423 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
424 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
428 cairo_move_to (cr, EM_POINT(-5.0, 3.9));
429 cairo_line_to (cr, EM_POINT(-6.0, 5.66));
430 cairo_line_to (cr, EM_POINT(-4.1, 4.9));
431 cairo_close_path (cr);
432 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
433 cairo_set_line_width (cr, em);
434 cairo_stroke_preserve (cr);
437 cairo_pattern_destroy (pen);
441 /** Toolbar icon - Time Axis View reduce height */
442 static void icon_tav_shrink (cairo_t *cr, const int width, const int height)
444 const double x = width * .5;
445 const double y = height * .5;
446 const double wh = std::min (x, y) * .66;
447 const double ar = std::min (x, y) * .15;
448 const double tri = .7 * (wh - ar);
450 cairo_rectangle (cr, x - wh, y - ar, 2 * wh, 2 * ar);
451 VECTORICONSTROKEFILL(.75);
453 cairo_set_line_width (cr, 1.0);
455 cairo_move_to (cr, x, y - ar - 0.5);
456 cairo_line_to (cr, x - tri, y - wh + 0.5);
457 cairo_line_to (cr, x + tri, y - wh + 0.5);
458 cairo_close_path (cr);
460 cairo_set_source_rgba (cr, 1, 1, 1, .75);
461 cairo_stroke_preserve (cr);
462 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
465 cairo_move_to (cr, x, y + ar + 0.5);
466 cairo_line_to (cr, x - tri, y + wh - 0.5);
467 cairo_line_to (cr, x + tri, y + wh - 0.5);
468 cairo_close_path (cr);
470 cairo_set_source_rgba (cr, 1, 1, 1, .75);
471 cairo_stroke_preserve (cr);
472 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
476 /** Toolbar icon - Time Axis View increase height */
477 static void icon_tav_expand (cairo_t *cr, const int width, const int height)
479 const double x = width * .5;
480 const double y = height * .5;
481 const double wh = std::min (x, y) * .66;
482 const double ar = std::min (x, y) * .15;
483 const double tri = .7 * (wh - ar);
485 cairo_rectangle (cr, x - wh, y - wh, 2 * wh, 2 * wh);
486 VECTORICONSTROKEFILL(.75);
488 cairo_set_line_width (cr, 1.0);
490 cairo_move_to (cr, x, y - wh + 0.5);
491 cairo_line_to (cr, x - tri, y - ar - 0.5);
492 cairo_line_to (cr, x + tri, y - ar - 0.5);
493 cairo_close_path (cr);
495 cairo_set_source_rgba (cr, 1, 1, 1, .5);
496 cairo_stroke_preserve (cr);
497 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
500 cairo_move_to (cr, x , y + wh - 0.5);
501 cairo_line_to (cr, x - tri, y + ar + 0.5);
502 cairo_line_to (cr, x + tri, y + ar + 0.5);
503 cairo_close_path (cr);
505 cairo_set_source_rgba (cr, 1, 1, 1, .5);
506 cairo_stroke_preserve (cr);
507 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
512 /*****************************************************************************
513 * Record enable (transport & track header).
515 * hardcoded "red" #f46f6f
518 /** standard rec-enable circle */
519 static void icon_rec_enable (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
521 const double x = width * .5;
522 const double y = height * .5;
523 const double r = std::min (x, y) * .55;
524 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
525 if (state == Gtkmm2ext::ExplicitActive) {
526 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
528 else if (state == Gtkmm2ext::ImplicitActive) {
529 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
532 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
534 cairo_fill_preserve (cr);
535 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.8); // outline
536 cairo_set_line_width (cr, 1);
540 /** tape-mode, "reel" */
541 static void icon_rec_tape (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
543 const double x = width * .5;
544 const double y = height * .5;
545 const double r = std::min (x, y) * .6;
546 const double slit = .11 * M_PI;
547 cairo_translate (cr, x, y);
549 cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
550 if (state == Gtkmm2ext::ExplicitActive) {
551 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
553 else if (state == Gtkmm2ext::ImplicitActive) {
554 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
557 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
559 cairo_fill_preserve (cr);
560 cairo_set_source_rgba (cr, .0, .0, .0, .5);
561 cairo_set_line_width (cr, 1);
565 cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
567 cairo_rotate (cr, -.5 * M_PI);
568 cairo_move_to (cr, 0, 0);
569 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
570 cairo_line_to (cr, 0, 0);
571 cairo_close_path (cr);
574 cairo_rotate (cr, 2. * M_PI / 3.);
576 cairo_move_to (cr, 0, 0);
577 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
578 cairo_line_to (cr, 0, 0);
579 cairo_close_path (cr);
582 cairo_rotate (cr, 2. * M_PI / 3.);
583 cairo_move_to (cr, 0, 0);
584 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
585 cairo_line_to (cr, 0, 0);
586 cairo_close_path (cr);
591 cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
592 if (state == Gtkmm2ext::ExplicitActive) {
593 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
595 else if (state == Gtkmm2ext::ImplicitActive) {
596 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
599 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
602 cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
603 cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
608 /*****************************************************************************
609 * Transport buttons, foreground is always white
612 /** stop square box */
613 static void icon_transport_stop (cairo_t *cr, const int width, const int height)
615 const int wh = std::min (width, height);
617 (width - wh) * .5 + wh * .25,
618 (height - wh) * .5 + wh * .25,
620 VECTORICONSTROKEFILL(0.9); // small 'shine'
624 static void icon_transport_play (cairo_t *cr, const int width, const int height)
626 const int wh = std::min (width, height) * .5;
627 const double y = height * .5;
628 const double x = width - wh;
630 const double tri = ceil (.577 * wh); // 1/sqrt(3)
632 cairo_move_to (cr, x + wh * .5, y);
633 cairo_line_to (cr, x - wh * .5, y - tri);
634 cairo_line_to (cr, x - wh * .5, y + tri);
635 cairo_close_path (cr);
637 VECTORICONSTROKEFILL(0.9);
640 /** Midi Panic "!" */
641 static void icon_transport_panic (cairo_t *cr, const int width, const int height)
643 const int wh = ceil (std::min (width, height) * .1) - .5;
644 const double xc = rint (width * .5);
645 const double yh = height;
649 VECTORICONSTROKEFILL(0.9);
651 cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
652 VECTORICONSTROKEFILL(0.9);
655 /** various combinations of lines and triangles "|>|", ">|" "|>" */
656 static void icon_transport_ck (cairo_t *cr,
657 const enum Gtkmm2ext::ArdourIcon::Icon icon,
658 const int width, const int height)
660 // small play triangle
661 int wh = std::min (width, height);
662 const double y = height * .5;
663 const double x = width - wh * .5;
665 const double tri = ceil (.577 * wh * 2); // 1/sqrt(3)
667 const float ln = std::min (width, height) * .07;
669 if (icon == TransportStart || icon == TransportRange) {
671 x - wh - ln, y - tri * 1.7,
674 VECTORICONSTROKEFILL(1.0);
677 if (icon == TransportEnd || icon == TransportRange) {
679 x + wh - ln, y - tri * 1.7,
682 VECTORICONSTROKEFILL(1.0);
685 if (icon == TransportStart) {
686 cairo_move_to (cr, x - wh, y);
687 cairo_line_to (cr, x + wh, y - tri);
688 cairo_line_to (cr, x + wh, y + tri);
690 cairo_move_to (cr, x + wh, y);
691 cairo_line_to (cr, x - wh, y - tri);
692 cairo_line_to (cr, x - wh, y + tri);
695 cairo_close_path (cr);
696 VECTORICONSTROKEFILL(1.0);
700 static void icon_transport_loop (cairo_t *cr, const int width, const int height)
702 const double x = width * .5;
703 const double y = height * .5;
704 const double r = std::min (x, y);
706 cairo_arc (cr, x, y, r * .62, 0, 2 * M_PI);
707 cairo_arc_negative (cr, x, y, r * .35, 2 * M_PI, 0);
709 VECTORICONSTROKEFILL(1.0);
711 #define ARCARROW(rad, ang) \
712 x + (rad) * sin ((ang) * 2.0 * M_PI), y + (rad) * cos ((ang) * 2.0 * M_PI)
714 cairo_move_to (cr, ARCARROW(r * .35, .72));
715 cairo_line_to (cr, ARCARROW(r * .15, .72));
716 cairo_line_to (cr, ARCARROW(r * .56, .60));
717 cairo_line_to (cr, ARCARROW(r * .75, .72));
718 cairo_line_to (cr, ARCARROW(r * .62, .72));
720 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
721 cairo_stroke_preserve (cr);
722 cairo_close_path (cr);
723 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
728 /** de-construct thorwil's metronom */
729 static void icon_transport_metronom (cairo_t *cr, const int width, const int height)
731 const double x = width * .5;
732 const double y = height * .5;
733 const double wh = .95 * std::min (x, y);
734 const double h = wh * .80;
735 const double w = wh * .55;
736 const double lw = w * .34;
739 x - w * .7, y + h * .25,
742 VECTORICONSTROKEFILL(1.0);
744 cairo_move_to (cr, x - w, y + h);
745 cairo_line_to (cr, x + w, y + h);
746 cairo_line_to (cr, x + w * .35, y - h);
747 cairo_line_to (cr, x - w * .35, y - h);
748 cairo_line_to (cr, x - w, y + h);
750 cairo_move_to (cr, x - w + lw, y + h -lw);
751 cairo_line_to (cr, x - w * .35 + lw, y - h + lw);
752 cairo_line_to (cr, x + w * .35 - lw, y - h + lw);
753 cairo_line_to (cr, x + w - lw, y + h -lw);
754 cairo_line_to (cr, x - w + lw, y + h -lw);
756 VECTORICONSTROKEFILL(1.0);
759 // ddx = .70 w = .75 * .5 wh = .375 wh
760 // ddy = .75 h - lw = .75 * .8 wh - wh .5 * .2 = .5 wh
762 // -> angle = atan (ang) = atan (375 / .5) ~= 36deg
763 const double dx = lw * .2; // 1 - cos(tan^-1(ang))
764 const double dy = lw * .4; // 1 - sin(tan^-1(ang))
765 cairo_move_to (cr, x - w * .3 , y + h * .25 + lw * .5);
766 cairo_line_to (cr, x - w + dx , y - h + lw + dy);
767 cairo_line_to (cr, x - w + lw , y - h + lw);
768 cairo_line_to (cr, x - w * .3 + lw, y + h * .25 + lw * .5);
769 cairo_close_path (cr);
771 VECTORICONSTROKEFILL(1.0);
774 x - w * .7, y + h * .25,
780 /*****************************************************************************
781 * Zoom: In "+", Out "-" and Full "[]"
783 static void icon_zoom (cairo_t *cr, const enum Gtkmm2ext::ArdourIcon::Icon icon, const int width, const int height, const uint32_t fg_color)
785 const double x = width * .5;
786 const double y = height * .5;
787 const double r = std::min (x, y) * .7;
788 const double wh = std::min (x, y) * .45;
791 #define LINE45DEG(rad) \
792 x + r * (rad) * .707, y + r * (rad) * .707 // sin(45deg) = cos(45deg) = .707
793 cairo_move_to (cr, LINE45DEG(.9));
794 cairo_line_to (cr, LINE45DEG(1.3));
795 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
796 cairo_set_line_width (cr, 3.0);
797 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
802 ardour_icon_set_source_rgba (cr, fg_color);
803 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
804 cairo_fill_preserve (cr);
806 // add a lens gradient
807 cairo_pattern_t *lens;
808 lens = cairo_pattern_create_radial (x - r, y - r, r * .5, x - r, y - r, r * 2);
809 cairo_pattern_add_color_stop_rgba (lens, 0, 1, 1, 1, .4);
810 cairo_pattern_add_color_stop_rgba (lens, 1, 0, 0, 0, .4);
811 cairo_set_source (cr, lens);
812 cairo_fill_preserve (cr);
813 cairo_pattern_destroy (lens);
816 cairo_set_line_width (cr, 1.5);
817 //ardour_icon_set_source_inv_rgba (cr, fg_color); // alpha
818 cairo_set_source_rgba (cr, .0, .0, .0, .8);
821 // add "+", "-" or "[]"
822 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
823 cairo_set_line_width (cr, 1.5);
824 ardour_icon_set_source_inv_rgba (cr, fg_color);
826 if (icon == ZoomIn || icon == ZoomOut) {
827 cairo_move_to (cr, x - wh, y);
828 cairo_line_to (cr, x + wh, y);
831 if (icon == ZoomIn) {
832 cairo_move_to (cr, x, y - wh);
833 cairo_line_to (cr, x, y + wh);
836 if (icon == ZoomFull) {
837 const double br0 = std::min (x, y) * .1;
838 const double br1 = std::min (x, y) * .3;
839 const double bry = std::min (x, y) * .3;
840 cairo_move_to (cr, x - br0, y - bry);
841 cairo_line_to (cr, x - br1, y - bry);
842 cairo_line_to (cr, x - br1, y + bry);
843 cairo_line_to (cr, x - br0, y + bry);
846 cairo_move_to (cr, x + br0, y - bry);
847 cairo_line_to (cr, x + br1, y - bry);
848 cairo_line_to (cr, x + br1, y + bry);
849 cairo_line_to (cr, x + br0, y + bry);
854 /** Toolbar icon - Mixbus Zoom Expand, rotated TimeAxisExpand */
855 static void icon_zoom_expand (cairo_t *cr, const int width, const int height)
857 const double x = width * .5;
858 const double y = height * .5;
859 const double wh = std::min (x, y) * .66;
860 const double ar = std::min (x, y) * .15;
861 const double tri = .7 * (wh - ar);
863 cairo_rectangle (cr, x - wh, y - wh, 2 * wh, 2 * wh);
864 VECTORICONSTROKEFILL(.75);
866 cairo_set_line_width (cr, 1.0);
868 cairo_move_to (cr, x - wh + 0.5, y);
869 cairo_line_to (cr, x - ar - 0.5, y - tri);
870 cairo_line_to (cr, x - ar - 0.5, y + tri);
871 cairo_close_path (cr);
873 cairo_set_source_rgba (cr, 1, 1, 1, .5);
874 cairo_stroke_preserve (cr);
875 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
878 cairo_move_to (cr, x + wh - 0.5, y);
879 cairo_line_to (cr, x + ar + 0.5, y - tri);
880 cairo_line_to (cr, x + ar + 0.5, y + tri);
881 cairo_close_path (cr);
883 cairo_set_source_rgba (cr, 1, 1, 1, .5);
884 cairo_stroke_preserve (cr);
885 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
891 /*****************************************************************************
895 /** "close" - "X" , no outline */
896 static void icon_close_cross (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
898 const double x = width * .5;
899 const double y = height * .5;
900 const double o = .5 + std::min (x, y) * .4;
901 ardour_icon_set_source_rgba (cr, fg_color);
902 cairo_set_line_width (cr, 1.0);
903 cairo_move_to (cr, x-o, y-o);
904 cairo_line_to (cr, x+o, y+o);
905 cairo_move_to (cr, x+o, y-o);
906 cairo_line_to (cr, x-o, y+o);
911 static void icon_nudge_left (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
913 const double x = width * .5;
914 const double y = height * .5;
915 const double wh = std::min (x, y);
917 const double tri_x = .3 * wh;
918 const double tri_y = .6 * wh;
920 cairo_move_to (cr, x + tri_x, y - tri_y);
921 cairo_line_to (cr, x - tri_x, y);
922 cairo_line_to (cr, x + tri_x, y + tri_y);
923 VECTORICONSTROKEOUTLINE(1.5, fg_color);
927 static void icon_nudge_right (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
930 const double x = width * .5;
931 const double y = height * .5;
932 const double wh = std::min (x, y);
934 const double tri_x = .3 * wh;
935 const double tri_y = .6 * wh;
937 cairo_move_to (cr, x - tri_x, y - tri_y);
938 cairo_line_to (cr, x + tri_x, y);
939 cairo_line_to (cr, x - tri_x, y + tri_y);
940 VECTORICONSTROKEOUTLINE(1.5, fg_color);
944 /** mixer strip narrow/wide */
945 static void icon_strip_width (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
947 const double x0 = width * .2;
948 const double x1 = width * .8;
950 const double y0 = height * .25;
951 const double y1 = height * .75;
953 const double ym = height * .5;
956 const double xa0= width * .39;
957 const double xa1= width * .61;
958 const double ya0= height * .35;
959 const double ya1= height * .65;
961 ardour_icon_set_source_rgba (cr, fg_color);
962 cairo_set_line_width (cr, 1);
965 cairo_move_to (cr, x0, y0);
966 cairo_line_to (cr, x0, y1);
967 cairo_move_to (cr, x1, y0);
968 cairo_line_to (cr, x1, y1);
971 cairo_move_to (cr, x0, ym);
972 cairo_line_to (cr, x1, ym);
975 cairo_move_to (cr, x0, ym);
976 cairo_line_to (cr, xa0, ya0);
977 cairo_move_to (cr, x0, ym);
978 cairo_line_to (cr, xa0, ya1);
981 cairo_move_to (cr, x1, ym);
982 cairo_line_to (cr, xa1, ya0);
983 cairo_move_to (cr, x1, ym);
984 cairo_line_to (cr, xa1, ya1);
988 /** 5-pin DIN MIDI socket */
989 static void icon_din_midi (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
991 const double x = width * .5;
992 const double y = height * .5;
993 const double r = std::min (x, y) * .75;
994 ardour_icon_set_source_rgba (cr, fg_color);
995 cairo_set_line_width (cr, 1);
996 cairo_arc (cr, x, y, r, .57 * M_PI, 2.43 * M_PI);
999 // pins equally spaced 45deg
1000 cairo_arc (cr, x, y * 0.5, r * .15, 0, 2 * M_PI);
1002 cairo_arc (cr, x * 0.5, y, r * .15, 0, 2 * M_PI);
1004 cairo_arc (cr, x * 1.5, y, r * .15, 0, 2 * M_PI);
1006 // .5 + .5 * .5 * sin(45deg), 1.5 - .5 * .5 * cos(45deg)
1007 cairo_arc (cr, x * 0.677, y * .677, r * .15, 0, 2 * M_PI);
1009 cairo_arc (cr, x * 1.323, y * .677, r * .15, 0, 2 * M_PI);
1013 cairo_arc (cr, x, y+r, r * .26, 1.05 * M_PI, 1.95 * M_PI);
1018 /*****************************************************************************/
1021 Gtkmm2ext::ArdourIcon::render (cairo_t *cr,
1022 const enum Gtkmm2ext::ArdourIcon::Icon icon,
1023 const int width, const int height,
1024 const Gtkmm2ext::ActiveState state,
1025 const uint32_t fg_color)
1030 if (width < 6 || height < 6) {
1036 icon_transport_stop (cr, width, height);
1039 icon_transport_play (cr, width, height);
1042 icon_transport_loop (cr, width, height);
1044 case TransportMetronom:
1045 icon_transport_metronom (cr, width, height);
1047 case TransportPanic:
1048 icon_transport_panic (cr, width, height);
1050 case TransportStart: // no break
1051 case TransportEnd: // no break
1052 case TransportRange:
1053 icon_transport_ck (cr, icon, width, height);
1056 icon_rec_tape (cr, width, height, state);
1059 icon_rec_enable (cr, width, height, state);
1062 icon_close_cross (cr, width, height, fg_color);
1065 icon_strip_width (cr, width, height, fg_color);
1068 icon_din_midi (cr, width, height, fg_color);
1071 icon_nudge_left (cr, width, height, fg_color);
1074 icon_nudge_right (cr, width, height, fg_color);
1076 case ZoomIn: // no break
1077 case ZoomOut: // no break
1079 icon_zoom (cr, icon, width, height, fg_color);
1082 icon_zoom_expand (cr, width, height);
1084 case TimeAxisShrink:
1085 icon_tav_shrink (cr, width, height);
1087 case TimeAxisExpand:
1088 icon_tav_expand (cr, width, height);
1091 icon_tool_range (cr, width, height);
1094 icon_tool_grab (cr, width, height);
1097 icon_tool_cut (cr, width, height);
1100 icon_tool_stretch (cr, width, height);
1103 icon_tool_audition (cr, width, height);
1106 icon_tool_draw (cr, width, height);
1109 icon_tool_content (cr, width, height);
1119 #undef VECTORICONSTROKEFILL
1120 #undef VECTORICONSTROKEOUTLINE