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
25 #include "gtkmm2ext/colors.h"
26 #include "widgets/ardour_icon.h"
28 using namespace ArdourWidgets::ArdourIcon;
30 /* general style info:
32 * - geometry: icons should be centered, spanning
33 * wh = std::min (width * .5, height *.5) * .55;
35 * - all shapes should have a contrasting outline
36 * (usually white foreground, black outline)
39 #define OUTLINEWIDTH 1.5 // px
41 #define VECTORICONSTROKEFILL(fillalpha) \
42 cairo_set_line_width (cr, OUTLINEWIDTH); \
43 cairo_set_source_rgba (cr, 0, 0, 0, 1.0); \
44 cairo_stroke_preserve (cr); \
45 cairo_set_source_rgba (cr, 1, 1, 1, (fillalpha)); \
48 #define VECTORICONSTROKEOUTLINE(LW, color) \
49 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND); \
50 cairo_set_line_width (cr, (LW) + OUTLINEWIDTH); \
51 ardour_icon_set_source_inv_rgba (cr, color); \
52 cairo_stroke_preserve (cr); \
53 Gtkmm2ext::set_source_rgba (cr, color); \
54 cairo_set_line_width (cr, (LW)); \
59 static void ardour_icon_set_source_inv_rgba (cairo_t *cr, uint32_t color)
61 cairo_set_source_rgba (cr,
62 1.0 - ((color >> 24) & 0xff) / 255.0,
63 1.0 - ((color >> 16) & 0xff) / 255.0,
64 1.0 - ((color >> 8) & 0xff) / 255.0,
65 ((color >> 0) & 0xff) / 255.0
69 /*****************************************************************************
71 * Foreground is always white, compatible with small un-blurred rendering.
74 /** internal edit icon */
75 static void icon_tool_content (cairo_t *cr, const int width, const int height) {
76 #define EM_POINT(X,Y) round (x + (X) * em) + .5, round (y + (Y) * em) + .5
78 const double x = width * .5;
79 const double y = height * .5;
80 const double em = std::min (x, y) * .1; // 1px at 20x20
82 // draw dot outlines (control-points)
83 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
84 cairo_close_path (cr);
85 cairo_move_to (cr, EM_POINT(-2.5, 4.0));
86 cairo_close_path (cr);
87 cairo_move_to (cr, EM_POINT( 5.0, -5.0));
88 cairo_close_path (cr);
90 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
91 ardour_icon_set_source_inv_rgba (cr, 0xffffffff);
92 cairo_set_line_width (cr, 3 * em + OUTLINEWIDTH);
96 cairo_move_to (cr, EM_POINT(-7.0, -5.0));
97 cairo_line_to (cr, EM_POINT( 0.0, -5.0));
99 cairo_move_to (cr, EM_POINT( 2.0, 4.0));
100 cairo_line_to (cr, EM_POINT( 6.0, 4.0));
102 // automation line (connect control-points)
103 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
104 cairo_line_to (cr, EM_POINT(-2.5, 4.0));
105 cairo_line_to (cr, EM_POINT( 5.0, -5.0));
107 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
108 VECTORICONSTROKEOUTLINE(1 * em, 0xffffffff);
110 // remove automation line outline at control-points
111 cairo_move_to (cr, EM_POINT(-6.0, 0.0));
112 cairo_close_path (cr);
113 cairo_move_to (cr, EM_POINT(-2.5, 4.0));
114 cairo_close_path (cr);
115 cairo_move_to (cr, EM_POINT( 5.0, -5.0));
116 cairo_close_path (cr);
118 Gtkmm2ext::set_source_rgba (cr, 0xffffffff);
119 cairo_set_line_width (cr, 3 * em);
124 /** range tool |<->| */
125 static void icon_tool_range (cairo_t *cr, const int width, const int height)
127 const double x = width * .5;
128 const double y = height * .5;
129 const double wh = std::min (x, y) * .55;
130 const double lw = rint (wh / 6.0); // line width
131 const double ar = wh * .6; // arrow
133 const double bw = ceil (wh) - .5;
134 const double y0 = ceil (y);
135 const double ym = rint (y0 - wh * .1) + .5; // arrow-horizontal; slightly to the top, on a px
136 const double x0 = rint (x) - bw; // left arrow tip
137 const double x1 = rint (x) + bw; // right arrow tip
139 // left and right box
140 cairo_move_to (cr, x0, y0 - bw);
141 cairo_line_to (cr, x0, y0 + bw);
142 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
143 cairo_move_to (cr, x1, y0 - bw);
144 cairo_line_to (cr, x1, y0 + bw);
145 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
148 cairo_move_to (cr, x0 + ar, ym - ar);
149 cairo_line_to (cr, x0 + .5, ym);
150 cairo_line_to (cr, x0 + ar, ym + ar);
152 cairo_move_to (cr, x1 - ar, ym - ar);
153 cairo_line_to (cr, x1 - .5, ym);
154 cairo_line_to (cr, x1 - ar, ym + ar);
156 // line connecting the arrows
157 cairo_move_to (cr, x0, ym);
158 cairo_line_to (cr, x1, ym);
159 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
161 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
162 cairo_set_line_width (cr, lw);
164 cairo_move_to (cr, x0, y0 - bw);
165 cairo_line_to (cr, x0, y0 + bw);
168 cairo_move_to (cr, x1, y0 - bw);
169 cairo_line_to (cr, x1, y0 + bw);
175 /** Grab/Object tool - 6x8em "hand", with 'em' wide index finger. */
176 static void icon_tool_grab (cairo_t *cr, const int width, const int height)
178 const double x = width * .5;
179 const double y = height * .5;
180 const double em = std::min (x, y) * .15; // 1.5px at 20x20
182 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
185 cairo_move_to (cr, EM_POINT( 2.0, 4.0));
186 cairo_line_to (cr, EM_POINT(-1.5, 4.0));
187 cairo_line_to (cr, EM_POINT(-2.5, 2.0));
189 cairo_line_to (cr, EM_POINT(-3.0, 1.0));
192 cairo_line_to (cr, EM_POINT(-2.0, 0.0));
193 cairo_line_to (cr, EM_POINT(-2.1, -4.0));
194 cairo_line_to (cr, EM_POINT(-1.5, -4.5));
195 cairo_line_to (cr, EM_POINT(-1.1, -4.0));
196 cairo_line_to (cr, EM_POINT(-1.0, 0.1));
198 // middle finger knuckle
199 cairo_line_to (cr, EM_POINT(-0.6, 0.3));
200 cairo_line_to (cr, EM_POINT(-0.3, 0.0));
201 cairo_line_to (cr, EM_POINT(-0.2, -0.2));
202 cairo_line_to (cr, EM_POINT( 0.1, -0.3));
203 cairo_line_to (cr, EM_POINT( 0.4, -0.2));
204 cairo_line_to (cr, EM_POINT( 0.5, 0.1));
206 // ring finger knuckle
207 cairo_line_to (cr, EM_POINT( 0.8, 0.4));
208 cairo_line_to (cr, EM_POINT( 1.1, 0.2));
209 cairo_line_to (cr, EM_POINT( 1.2, 0.0));
210 cairo_line_to (cr, EM_POINT( 1.5, -0.1));
211 cairo_line_to (cr, EM_POINT( 1.8, 0.0));
212 cairo_line_to (cr, EM_POINT( 1.9, 0.4));
215 cairo_line_to (cr, EM_POINT( 2.0, 0.6));
216 cairo_line_to (cr, EM_POINT( 2.4, 0.4));
217 cairo_line_to (cr, EM_POINT( 2.8, 0.5));
218 cairo_line_to (cr, EM_POINT( 3.0, 1.0));
221 cairo_line_to (cr, EM_POINT( 3.0, 1.5));
222 cairo_line_to (cr, EM_POINT( 2.0, 4.0));
224 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
225 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
226 VECTORICONSTROKEFILL(1.0);
230 /** cut icon - scissors */
231 static void icon_tool_cut (cairo_t *cr, const int width, const int height)
233 const double x = width * .5;
234 const double y = height * .5;
235 const double em = std::min (x, y) * .1; // 1px at 20x20
237 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
240 cairo_translate (cr, EM_POINT(4, -3));
241 cairo_scale (cr, 1.6, 1.0); // ellipse
242 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
245 cairo_move_to (cr, EM_POINT(-6.0, 2.5));
246 cairo_line_to (cr, EM_POINT( 5.5, -2.0));
248 cairo_move_to (cr, EM_POINT(-6.0, -2.5));
249 cairo_line_to (cr, EM_POINT( 5.5, 2.0));
252 cairo_translate (cr, EM_POINT(4, 3));
253 cairo_scale (cr, 1.6, 1.0); // ellipse
254 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
257 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
258 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
260 VECTORICONSTROKEOUTLINE (1.5 * em, 0xffffffff);
264 /** time stretch icon */
265 static void icon_tool_stretch (cairo_t *cr, const int width, const int height)
267 const double x = width * .5;
268 const double y = height * .5;
269 const double wh = std::min (x, y) * .55;
271 const double y0 = ceil (y);
272 const double bw = rint (wh);
273 const double lw = rint (wh / 3.0) / 2.0;
274 const double x0 = rint (x + lw) + .5;
276 // box indication region
277 cairo_rectangle (cr, x0 - lw - bw - .5, y0 - bw, lw + bw, 2 * bw);
278 VECTORICONSTROKEFILL (0.75);
280 cairo_set_line_width (cr, 1.0);
283 cairo_move_to (cr, x0, y);
284 cairo_line_to (cr, x0 - lw * 2, y);
285 cairo_line_to (cr, x0 - lw * 2, y - lw * 3.5);
286 cairo_line_to (cr, x0 - lw * 6, y);
287 cairo_line_to (cr, x0 - lw * 2, y + lw * 3.5);
288 cairo_line_to (cr, x0 - lw * 2, y);
290 cairo_set_source_rgba (cr, 0, 0, 0, .5);
291 cairo_stroke_preserve (cr);
292 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
295 // outside/right arrow
296 cairo_move_to (cr, x0, y);
297 cairo_line_to (cr, x0 + lw * 2, y);
298 cairo_line_to (cr, x0 + lw * 2, y - lw * 4);
299 cairo_line_to (cr, x0 + lw * 6, y);
300 cairo_line_to (cr, x0 + lw * 2, y + lw * 4);
301 cairo_line_to (cr, x0 + lw * 2, y);
303 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
304 cairo_stroke_preserve (cr);
305 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
309 /** audition - small speaker with sound-waves*/
310 static void icon_tool_audition (cairo_t *cr, const int width, const int height)
312 const double x = width * .5;
313 const double y = height * .5;
314 const double em = std::min (x, y) * .1; // 1px at 20x20
316 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
318 cairo_move_to (cr, EM_POINT(-7.0, -2.0));
319 cairo_line_to (cr, EM_POINT(-7.0, 2.0));
320 cairo_line_to (cr, EM_POINT(-6.0, 3.0));
321 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
322 cairo_line_to (cr, EM_POINT( 2.0, 6.0));
323 cairo_line_to (cr, EM_POINT( 2.0, -6.0));
324 cairo_line_to (cr, EM_POINT(-3.0, -3.0));
325 cairo_line_to (cr, EM_POINT(-6.0, -3.0));
326 cairo_close_path (cr);
328 cairo_pattern_t *speaker;
329 speaker = cairo_pattern_create_linear (EM_POINT(0, -3.0), EM_POINT(0, 3.0));
330 cairo_pattern_add_color_stop_rgba (speaker, 0.0, 0.8, 0.8, 0.8, 1.0);
331 cairo_pattern_add_color_stop_rgba (speaker, 0.25, 1.0, 1.0, 1.0, 1.0);
332 cairo_pattern_add_color_stop_rgba (speaker, 1.0, 0.6, 0.6, 0.6, 1.0);
334 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
335 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
336 cairo_set_line_width (cr, 1.5);
337 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
338 cairo_stroke_preserve (cr);
339 cairo_set_source (cr, speaker);
341 cairo_pattern_destroy (speaker);
343 // TODO use a slight curve
344 cairo_move_to (cr, EM_POINT(-3.0, -3.0));
345 cairo_line_to (cr, EM_POINT(-3.5, 0.0));
346 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
347 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
348 cairo_set_line_width (cr, 1.0);
353 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
354 cairo_set_source_rgba (cr, 1, 1, 1, 1);
356 cairo_translate (cr, EM_POINT (4.0, 0));
357 cairo_scale (cr, 0.8, 1.25); // ellipse
359 cairo_arc (cr, 0, 0, 4 * em, -.5 * M_PI, .5 * M_PI);
360 cairo_set_line_width (cr, .8 * em);
363 cairo_arc (cr, 0, 0, 2 * em, -.5 * M_PI, .5 * M_PI);
364 cairo_set_line_width (cr, .5 * em);
370 /** pen top-left to bottom right */
371 static void icon_tool_draw (cairo_t *cr, const int width, const int height)
373 const double x = width * .5;
374 const double y = height * .5;
375 const double em = std::min (x, y) * .1; // 1px at 20x20
377 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
379 // pen [6,-5] to [-3, 3]
380 // y = -8 * x / 9 + 1/3
383 cairo_move_to (cr, EM_POINT( 5.0, -6.11));
384 cairo_line_to (cr, EM_POINT( 6.4, -5.35)); // todo round properly.
385 cairo_line_to (cr, EM_POINT( 7.0, -3.88));
388 cairo_line_to (cr, EM_POINT(-2.0, 4.11));
389 cairo_line_to (cr, EM_POINT(-6.0, 5.66)); // pen tip
390 cairo_line_to (cr, EM_POINT(-4.0, 1.88));
391 cairo_close_path (cr);
393 cairo_pattern_t *pen;
394 pen = cairo_pattern_create_linear (EM_POINT(-3.0, -6.0), EM_POINT(6.0, 4.0));
395 cairo_pattern_add_color_stop_rgba (pen, 0.4, 0.6, 0.6, 0.6, 1.0);
396 cairo_pattern_add_color_stop_rgba (pen, 0.5, 1.0, 1.0, 1.0, 1.0);
397 cairo_pattern_add_color_stop_rgba (pen, 0.6, 0.1, 0.1, 0.1, 1.0);
399 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
400 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
401 cairo_set_line_width (cr, em + .5);
402 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
403 cairo_stroke_preserve (cr);
404 cairo_set_source (cr, pen);
408 cairo_move_to (cr, EM_POINT(-2.0, 4.11));
409 cairo_line_to (cr, EM_POINT(-3.0, 2.8)); // slight curve [-3,3]
410 cairo_line_to (cr, EM_POINT(-4.0, 2.0));
411 cairo_set_line_width (cr, OUTLINEWIDTH);
412 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
413 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
417 cairo_move_to (cr, EM_POINT(-5.0, 3.9));
418 cairo_line_to (cr, EM_POINT(-6.0, 5.66));
419 cairo_line_to (cr, EM_POINT(-4.1, 4.9));
420 cairo_close_path (cr);
421 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
422 cairo_set_line_width (cr, em);
423 cairo_stroke_preserve (cr);
426 cairo_pattern_destroy (pen);
430 /** Toolbar icon - Time Axis View reduce height */
431 static void icon_tav_shrink (cairo_t *cr, const int width, const int height)
433 const double x = width * .5;
434 const double y = height * .5;
435 const double wh = std::min (x, y) * .66;
436 const double ar = std::min (x, y) * .15;
437 const double tri = .7 * (wh - ar);
439 cairo_rectangle (cr, x - wh, y - ar, 2 * wh, 2 * ar);
440 VECTORICONSTROKEFILL(.75);
442 cairo_set_line_width (cr, 1.0);
444 cairo_move_to (cr, x, y - ar - 0.5);
445 cairo_line_to (cr, x - tri, y - wh + 0.5);
446 cairo_line_to (cr, x + tri, y - wh + 0.5);
447 cairo_close_path (cr);
449 cairo_set_source_rgba (cr, 1, 1, 1, .75);
450 cairo_stroke_preserve (cr);
451 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
454 cairo_move_to (cr, x, y + ar + 0.5);
455 cairo_line_to (cr, x - tri, y + wh - 0.5);
456 cairo_line_to (cr, x + tri, y + wh - 0.5);
457 cairo_close_path (cr);
459 cairo_set_source_rgba (cr, 1, 1, 1, .75);
460 cairo_stroke_preserve (cr);
461 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
465 /** Toolbar icon - Time Axis View increase height */
466 static void icon_tav_expand (cairo_t *cr, const int width, const int height)
468 const double x = width * .5;
469 const double y = height * .5;
470 const double wh = std::min (x, y) * .66;
471 const double ar = std::min (x, y) * .15;
472 const double tri = .7 * (wh - ar);
474 cairo_rectangle (cr, x - wh, y - wh, 2 * wh, 2 * wh);
475 VECTORICONSTROKEFILL(.75);
477 cairo_set_line_width (cr, 1.0);
479 cairo_move_to (cr, x, y - wh + 0.5);
480 cairo_line_to (cr, x - tri, y - ar - 0.5);
481 cairo_line_to (cr, x + tri, y - ar - 0.5);
482 cairo_close_path (cr);
484 cairo_set_source_rgba (cr, 1, 1, 1, .5);
485 cairo_stroke_preserve (cr);
486 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
489 cairo_move_to (cr, x , y + wh - 0.5);
490 cairo_line_to (cr, x - tri, y + ar + 0.5);
491 cairo_line_to (cr, x + tri, y + ar + 0.5);
492 cairo_close_path (cr);
494 cairo_set_source_rgba (cr, 1, 1, 1, .5);
495 cairo_stroke_preserve (cr);
496 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
501 /*****************************************************************************
502 * Record enable (transport & track header).
504 * hardcoded "red" #f46f6f
507 /** standard rec-enable circle */
508 static void icon_rec_enable (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
510 const double x = width * .5;
511 const double y = height * .5;
512 const double r = std::min (x, y) * .55;
513 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
514 if (state == Gtkmm2ext::ExplicitActive) {
515 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
517 else if (state == Gtkmm2ext::ImplicitActive) {
518 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
521 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
523 cairo_fill_preserve (cr);
524 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.8); // outline
525 cairo_set_line_width (cr, 1);
529 /** tape-mode, "reel" */
530 static void icon_rec_tape (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
532 const double x = width * .5;
533 const double y = height * .5;
534 const double r = std::min (x, y) * .6;
535 const double slit = .11 * M_PI;
536 cairo_translate (cr, x, y);
538 cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
539 if (state == Gtkmm2ext::ExplicitActive) {
540 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
542 else if (state == Gtkmm2ext::ImplicitActive) {
543 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
546 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
548 cairo_fill_preserve (cr);
549 cairo_set_source_rgba (cr, .0, .0, .0, .5);
550 cairo_set_line_width (cr, 1);
554 cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
556 cairo_rotate (cr, -.5 * M_PI);
557 cairo_move_to (cr, 0, 0);
558 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
559 cairo_line_to (cr, 0, 0);
560 cairo_close_path (cr);
563 cairo_rotate (cr, 2. * M_PI / 3.);
565 cairo_move_to (cr, 0, 0);
566 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
567 cairo_line_to (cr, 0, 0);
568 cairo_close_path (cr);
571 cairo_rotate (cr, 2. * M_PI / 3.);
572 cairo_move_to (cr, 0, 0);
573 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
574 cairo_line_to (cr, 0, 0);
575 cairo_close_path (cr);
580 cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
581 if (state == Gtkmm2ext::ExplicitActive) {
582 cairo_set_source_rgba (cr, 1.0, .1, .1, 1.0);
584 else if (state == Gtkmm2ext::ImplicitActive) {
585 cairo_set_source_rgba (cr, .9, .3, .3, 1.0);
588 cairo_set_source_rgba (cr, .4, .3, .3, 1.0);
591 cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
592 cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
597 /*****************************************************************************
598 * Transport buttons, foreground is always white
601 /** stop square box */
602 static void icon_transport_stop (cairo_t *cr, const int width, const int height)
604 const int wh = std::min (width, height);
606 (width - wh) * .5 + wh * .25,
607 (height - wh) * .5 + wh * .25,
609 VECTORICONSTROKEFILL(0.9); // small 'shine'
613 static void icon_transport_play (cairo_t *cr, const int width, const int height)
615 const int wh = std::min (width, height) * .5;
616 const double y = height * .5;
617 const double x = width - wh;
619 const double tri = ceil (.577 * wh); // 1/sqrt(3)
621 cairo_move_to (cr, x + wh * .5, y);
622 cairo_line_to (cr, x - wh * .5, y - tri);
623 cairo_line_to (cr, x - wh * .5, y + tri);
624 cairo_close_path (cr);
626 VECTORICONSTROKEFILL(0.9);
629 /** Midi Panic "!" */
630 static void icon_transport_panic (cairo_t *cr, const int width, const int height)
632 const int wh = ceil (std::min (width, height) * .1) - .5;
633 const double xc = rint (width * .5);
634 const double yh = height;
638 VECTORICONSTROKEFILL(0.9);
640 cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
641 VECTORICONSTROKEFILL(0.9);
644 /** various combinations of lines and triangles "|>|", ">|" "|>" */
645 static void icon_transport_ck (cairo_t *cr,
646 const enum ArdourWidgets::ArdourIcon::Icon icon,
647 const int width, const int height)
649 // small play triangle
650 int wh = std::min (width, height);
651 const double y = height * .5;
652 const double x = width - wh * .5;
654 const double tri = ceil (.577 * wh * 2); // 1/sqrt(3)
656 const float ln = std::min (width, height) * .07;
658 if (icon == TransportStart || icon == TransportRange) {
660 x - wh - ln, y - tri * 1.7,
663 VECTORICONSTROKEFILL(1.0);
666 if (icon == TransportEnd || icon == TransportRange) {
668 x + wh - ln, y - tri * 1.7,
671 VECTORICONSTROKEFILL(1.0);
674 if (icon == TransportStart) {
675 cairo_move_to (cr, x - wh, y);
676 cairo_line_to (cr, x + wh, y - tri);
677 cairo_line_to (cr, x + wh, y + tri);
679 cairo_move_to (cr, x + wh, y);
680 cairo_line_to (cr, x - wh, y - tri);
681 cairo_line_to (cr, x - wh, y + tri);
684 cairo_close_path (cr);
685 VECTORICONSTROKEFILL(1.0);
689 static void icon_transport_loop (cairo_t *cr, const int width, const int height)
691 const double x = width * .5;
692 const double y = height * .5;
693 const double r = std::min (x, y);
695 cairo_arc (cr, x, y, r * .62, 0, 2 * M_PI);
696 cairo_arc_negative (cr, x, y, r * .35, 2 * M_PI, 0);
698 VECTORICONSTROKEFILL(1.0);
700 #define ARCARROW(rad, ang) \
701 x + (rad) * sin ((ang) * 2.0 * M_PI), y + (rad) * cos ((ang) * 2.0 * M_PI)
703 cairo_move_to (cr, ARCARROW(r * .35, .72));
704 cairo_line_to (cr, ARCARROW(r * .15, .72));
705 cairo_line_to (cr, ARCARROW(r * .56, .60));
706 cairo_line_to (cr, ARCARROW(r * .75, .72));
707 cairo_line_to (cr, ARCARROW(r * .62, .72));
709 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
710 cairo_stroke_preserve (cr);
711 cairo_close_path (cr);
712 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
717 /** de-construct thorwil's metronom */
718 static void icon_transport_metronom (cairo_t *cr, const int width, const int height)
720 const double x = width * .5;
721 const double y = height * .5;
722 const double wh = .95 * std::min (x, y);
723 const double h = wh * .80;
724 const double w = wh * .55;
725 const double lw = w * .34;
728 x - w * .7, y + h * .25,
731 VECTORICONSTROKEFILL(1.0);
733 cairo_move_to (cr, x - w, y + h);
734 cairo_line_to (cr, x + w, y + h);
735 cairo_line_to (cr, x + w * .35, y - h);
736 cairo_line_to (cr, x - w * .35, y - h);
737 cairo_line_to (cr, x - w, y + h);
739 cairo_move_to (cr, x - w + lw, y + h -lw);
740 cairo_line_to (cr, x - w * .35 + lw, y - h + lw);
741 cairo_line_to (cr, x + w * .35 - lw, y - h + lw);
742 cairo_line_to (cr, x + w - lw, y + h -lw);
743 cairo_line_to (cr, x - w + lw, y + h -lw);
745 VECTORICONSTROKEFILL(1.0);
748 // ddx = .70 w = .75 * .5 wh = .375 wh
749 // ddy = .75 h - lw = .75 * .8 wh - wh .5 * .2 = .5 wh
751 // -> angle = atan (ang) = atan (375 / .5) ~= 36deg
752 const double dx = lw * .2; // 1 - cos(tan^-1(ang))
753 const double dy = lw * .4; // 1 - sin(tan^-1(ang))
754 cairo_move_to (cr, x - w * .3 , y + h * .25 + lw * .5);
755 cairo_line_to (cr, x - w + dx , y - h + lw + dy);
756 cairo_line_to (cr, x - w + lw , y - h + lw);
757 cairo_line_to (cr, x - w * .3 + lw, y + h * .25 + lw * .5);
758 cairo_close_path (cr);
760 VECTORICONSTROKEFILL(1.0);
763 x - w * .7, y + h * .25,
769 /*****************************************************************************
770 * Zoom: In "+", Out "-" and Full "[]"
772 static void icon_zoom (cairo_t *cr, const enum ArdourWidgets::ArdourIcon::Icon icon, const int width, const int height, const uint32_t fg_color)
774 const double x = width * .5;
775 const double y = height * .5;
776 const double r = std::min (x, y) * .7;
777 const double wh = std::min (x, y) * .45;
780 #define LINE45DEG(rad) \
781 x + r * (rad) * .707, y + r * (rad) * .707 // sin(45deg) = cos(45deg) = .707
782 cairo_move_to (cr, LINE45DEG(.9));
783 cairo_line_to (cr, LINE45DEG(1.3));
784 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
785 cairo_set_line_width (cr, 3.0);
786 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
791 Gtkmm2ext::set_source_rgba (cr, fg_color);
792 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
793 cairo_fill_preserve (cr);
795 // add a lens gradient
796 cairo_pattern_t *lens;
797 lens = cairo_pattern_create_radial (x - r, y - r, r * .5, x - r, y - r, r * 2);
798 cairo_pattern_add_color_stop_rgba (lens, 0, 1, 1, 1, .4);
799 cairo_pattern_add_color_stop_rgba (lens, 1, 0, 0, 0, .4);
800 cairo_set_source (cr, lens);
801 cairo_fill_preserve (cr);
802 cairo_pattern_destroy (lens);
805 cairo_set_line_width (cr, 1.5);
806 //ardour_icon_set_source_inv_rgba (cr, fg_color); // alpha
807 cairo_set_source_rgba (cr, .0, .0, .0, .8);
810 // add "+", "-" or "[]"
811 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
812 cairo_set_line_width (cr, 1.5);
813 ardour_icon_set_source_inv_rgba (cr, fg_color);
815 if (icon == ZoomIn || icon == ZoomOut) {
816 cairo_move_to (cr, x - wh, y);
817 cairo_line_to (cr, x + wh, y);
820 if (icon == ZoomIn) {
821 cairo_move_to (cr, x, y - wh);
822 cairo_line_to (cr, x, y + wh);
825 if (icon == ZoomFull) {
826 const double br0 = std::min (x, y) * .1;
827 const double br1 = std::min (x, y) * .3;
828 const double bry = std::min (x, y) * .3;
829 cairo_move_to (cr, x - br0, y - bry);
830 cairo_line_to (cr, x - br1, y - bry);
831 cairo_line_to (cr, x - br1, y + bry);
832 cairo_line_to (cr, x - br0, y + bry);
835 cairo_move_to (cr, x + br0, y - bry);
836 cairo_line_to (cr, x + br1, y - bry);
837 cairo_line_to (cr, x + br1, y + bry);
838 cairo_line_to (cr, x + br0, y + bry);
843 /** Toolbar icon - Mixbus Zoom Expand, rotated TimeAxisExpand */
844 static void icon_zoom_expand (cairo_t *cr, const int width, const int height)
846 const double x = width * .5;
847 const double y = height * .5;
848 const double wh = std::min (x, y) * .66;
849 const double ar = std::min (x, y) * .15;
850 const double tri = .7 * (wh - ar);
852 cairo_rectangle (cr, x - wh, y - wh, 2 * wh, 2 * wh);
853 VECTORICONSTROKEFILL(.75);
855 cairo_set_line_width (cr, 1.0);
857 cairo_move_to (cr, x - wh + 0.5, y);
858 cairo_line_to (cr, x - ar - 0.5, y - tri);
859 cairo_line_to (cr, x - ar - 0.5, y + tri);
860 cairo_close_path (cr);
862 cairo_set_source_rgba (cr, 1, 1, 1, .5);
863 cairo_stroke_preserve (cr);
864 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
867 cairo_move_to (cr, x + wh - 0.5, y);
868 cairo_line_to (cr, x + ar + 0.5, y - tri);
869 cairo_line_to (cr, x + ar + 0.5, y + tri);
870 cairo_close_path (cr);
872 cairo_set_source_rgba (cr, 1, 1, 1, .5);
873 cairo_stroke_preserve (cr);
874 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
880 /*****************************************************************************
884 /** "close" - "X" , no outline */
885 static void icon_close_cross (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
887 const double x = width * .5;
888 const double y = height * .5;
889 const double o = .5 + std::min (x, y) * .4;
890 Gtkmm2ext::set_source_rgba (cr, fg_color);
891 cairo_set_line_width (cr, 1.0);
892 cairo_move_to (cr, x-o, y-o);
893 cairo_line_to (cr, x+o, y+o);
894 cairo_move_to (cr, x+o, y-o);
895 cairo_line_to (cr, x-o, y+o);
900 static void icon_nudge_left (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
902 const double x = width * .5;
903 const double y = height * .5;
904 const double wh = std::min (x, y);
906 const double tri_x = .3 * wh;
907 const double tri_y = .6 * wh;
909 cairo_move_to (cr, x + tri_x, y - tri_y);
910 cairo_line_to (cr, x - tri_x, y);
911 cairo_line_to (cr, x + tri_x, y + tri_y);
912 VECTORICONSTROKEOUTLINE(1.5, fg_color);
916 static void icon_nudge_right (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
919 const double x = width * .5;
920 const double y = height * .5;
921 const double wh = std::min (x, y);
923 const double tri_x = .3 * wh;
924 const double tri_y = .6 * wh;
926 cairo_move_to (cr, x - tri_x, y - tri_y);
927 cairo_line_to (cr, x + tri_x, y);
928 cairo_line_to (cr, x - tri_x, y + tri_y);
929 VECTORICONSTROKEOUTLINE(1.5, fg_color);
933 /** mixer strip narrow/wide */
934 static void icon_strip_width (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
936 const double x0 = width * .2;
937 const double x1 = width * .8;
939 const double y0 = height * .25;
940 const double y1 = height * .75;
942 const double ym = height * .5;
945 const double xa0= width * .39;
946 const double xa1= width * .61;
947 const double ya0= height * .35;
948 const double ya1= height * .65;
950 Gtkmm2ext::set_source_rgba (cr, fg_color);
951 cairo_set_line_width (cr, 1);
954 cairo_move_to (cr, x0, y0);
955 cairo_line_to (cr, x0, y1);
956 cairo_move_to (cr, x1, y0);
957 cairo_line_to (cr, x1, y1);
960 cairo_move_to (cr, x0, ym);
961 cairo_line_to (cr, x1, ym);
964 cairo_move_to (cr, x0, ym);
965 cairo_line_to (cr, xa0, ya0);
966 cairo_move_to (cr, x0, ym);
967 cairo_line_to (cr, xa0, ya1);
970 cairo_move_to (cr, x1, ym);
971 cairo_line_to (cr, xa1, ya0);
972 cairo_move_to (cr, x1, ym);
973 cairo_line_to (cr, xa1, ya1);
977 /** 5-pin DIN MIDI socket */
978 static void icon_din_midi (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
980 const double x = width * .5;
981 const double y = height * .5;
982 const double r = std::min (x, y) * .75;
983 Gtkmm2ext::set_source_rgba (cr, fg_color);
984 cairo_set_line_width (cr, 1);
985 cairo_arc (cr, x, y, r, .57 * M_PI, 2.43 * M_PI);
988 // pins equally spaced 45deg
989 cairo_arc (cr, x, y * 0.5, r * .15, 0, 2 * M_PI);
991 cairo_arc (cr, x * 0.5, y, r * .15, 0, 2 * M_PI);
993 cairo_arc (cr, x * 1.5, y, r * .15, 0, 2 * M_PI);
995 // .5 + .5 * .5 * sin(45deg), 1.5 - .5 * .5 * cos(45deg)
996 cairo_arc (cr, x * 0.677, y * .677, r * .15, 0, 2 * M_PI);
998 cairo_arc (cr, x * 1.323, y * .677, r * .15, 0, 2 * M_PI);
1002 cairo_arc (cr, x, y+r, r * .26, 1.05 * M_PI, 1.95 * M_PI);
1007 /*****************************************************************************/
1010 ArdourWidgets::ArdourIcon::render (cairo_t *cr,
1011 const enum ArdourWidgets::ArdourIcon::Icon icon,
1012 const int width, const int height,
1013 const Gtkmm2ext::ActiveState state,
1014 const uint32_t fg_color)
1019 if (width < 6 || height < 6) {
1025 icon_transport_stop (cr, width, height);
1028 icon_transport_play (cr, width, height);
1031 icon_transport_loop (cr, width, height);
1033 case TransportMetronom:
1034 icon_transport_metronom (cr, width, height);
1036 case TransportPanic:
1037 icon_transport_panic (cr, width, height);
1039 case TransportStart: // no break
1040 case TransportEnd: // no break
1041 case TransportRange:
1042 icon_transport_ck (cr, icon, width, height);
1045 icon_rec_tape (cr, width, height, state);
1048 icon_rec_enable (cr, width, height, state);
1051 icon_close_cross (cr, width, height, fg_color);
1054 icon_strip_width (cr, width, height, fg_color);
1057 icon_din_midi (cr, width, height, fg_color);
1060 icon_nudge_left (cr, width, height, fg_color);
1063 icon_nudge_right (cr, width, height, fg_color);
1065 case ZoomIn: // no break
1066 case ZoomOut: // no break
1068 icon_zoom (cr, icon, width, height, fg_color);
1071 icon_zoom_expand (cr, width, height);
1073 case TimeAxisShrink:
1074 icon_tav_shrink (cr, width, height);
1076 case TimeAxisExpand:
1077 icon_tav_expand (cr, width, height);
1080 icon_tool_range (cr, width, height);
1083 icon_tool_grab (cr, width, height);
1086 icon_tool_cut (cr, width, height);
1089 icon_tool_stretch (cr, width, height);
1092 icon_tool_audition (cr, width, height);
1095 icon_tool_draw (cr, width, height);
1098 icon_tool_content (cr, width, height);
1108 #undef VECTORICONSTROKEFILL
1109 #undef VECTORICONSTROKEOUTLINE