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, 0.95, 0.10, 0.10, 1.0);
528 cairo_set_source_rgba (cr, 0.95, 0.44, 0.44, 1.0); // #f46f6f
529 cairo_fill_preserve (cr);
530 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.8); // outline
531 cairo_set_line_width (cr, 1);
535 /** tape-mode, "reel" */
536 static void icon_rec_tape (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
538 const double x = width * .5;
539 const double y = height * .5;
540 const double r = std::min (x, y) * .6;
541 const double slit = .11 * M_PI;
542 cairo_translate (cr, x, y);
544 cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
545 if (state == Gtkmm2ext::ExplicitActive) {
546 cairo_set_source_rgba (cr, .95, .1, .1, 1.);
548 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
550 cairo_fill_preserve (cr);
551 cairo_set_source_rgba (cr, .0, .0, .0, .5);
552 cairo_set_line_width (cr, 1);
556 cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
558 cairo_rotate (cr, -.5 * M_PI);
559 cairo_move_to (cr, 0, 0);
560 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
561 cairo_line_to (cr, 0, 0);
562 cairo_close_path (cr);
565 cairo_rotate (cr, 2. * M_PI / 3.);
567 cairo_move_to (cr, 0, 0);
568 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
569 cairo_line_to (cr, 0, 0);
570 cairo_close_path (cr);
573 cairo_rotate (cr, 2. * M_PI / 3.);
574 cairo_move_to (cr, 0, 0);
575 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
576 cairo_line_to (cr, 0, 0);
577 cairo_close_path (cr);
582 cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
583 if (state == Gtkmm2ext::ExplicitActive)
584 cairo_set_source_rgba (cr, .95, .1, .1, 1.);
586 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
588 cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
589 cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
594 /*****************************************************************************
595 * Transport buttons, foreground is always white
598 /** stop square box */
599 static void icon_transport_stop (cairo_t *cr, const int width, const int height)
601 const int wh = std::min (width, height);
603 (width - wh) * .5 + wh * .25,
604 (height - wh) * .5 + wh * .25,
606 VECTORICONSTROKEFILL(0.9); // small 'shine'
610 static void icon_transport_play (cairo_t *cr, const int width, const int height)
612 const int wh = std::min (width, height) * .5;
613 const double y = height * .5;
614 const double x = width - wh;
616 const double tri = ceil (.577 * wh); // 1/sqrt(3)
618 cairo_move_to (cr, x + wh * .5, y);
619 cairo_line_to (cr, x - wh * .5, y - tri);
620 cairo_line_to (cr, x - wh * .5, y + tri);
621 cairo_close_path (cr);
623 VECTORICONSTROKEFILL(0.9);
626 /** Midi Panic "!" */
627 static void icon_transport_panic (cairo_t *cr, const int width, const int height)
629 const int wh = std::min (width, height) * .1;
630 const double xc = width * .5;
631 const double yh = height;
635 VECTORICONSTROKEFILL(0.9);
637 cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
638 VECTORICONSTROKEFILL(0.9);
641 /** various combinations of lines and triangles "|>|", ">|" "|>" */
642 static void icon_transport_ck (cairo_t *cr,
643 const enum Gtkmm2ext::ArdourIcon::Icon icon,
644 const int width, const int height)
646 // small play triangle
647 int wh = std::min (width, height);
648 const double y = height * .5;
649 const double x = width - wh * .5;
651 const double tri = ceil (.577 * wh * 2); // 1/sqrt(3)
653 const float ln = std::min (width, height) * .07;
655 if (icon == TransportStart || icon == TransportRange) {
657 x - wh - ln, y - tri * 1.7,
660 VECTORICONSTROKEFILL(1.0);
663 if (icon == TransportEnd || icon == TransportRange) {
665 x + wh - ln, y - tri * 1.7,
668 VECTORICONSTROKEFILL(1.0);
671 if (icon == TransportStart) {
672 cairo_move_to (cr, x - wh, y);
673 cairo_line_to (cr, x + wh, y - tri);
674 cairo_line_to (cr, x + wh, y + tri);
676 cairo_move_to (cr, x + wh, y);
677 cairo_line_to (cr, x - wh, y - tri);
678 cairo_line_to (cr, x - wh, y + tri);
681 cairo_close_path (cr);
682 VECTORICONSTROKEFILL(1.0);
686 static void icon_transport_loop (cairo_t *cr, const int width, const int height)
688 const double x = width * .5;
689 const double y = height * .5;
690 const double r = std::min (x, y);
692 cairo_arc (cr, x, y, r * .62, 0, 2 * M_PI);
693 cairo_arc_negative (cr, x, y, r * .35, 2 * M_PI, 0);
695 VECTORICONSTROKEFILL(1.0);
697 #define ARCARROW(rad, ang) \
698 x + (rad) * sin ((ang) * 2.0 * M_PI), y + (rad) * cos ((ang) * 2.0 * M_PI)
700 cairo_move_to (cr, ARCARROW(r * .35, .72));
701 cairo_line_to (cr, ARCARROW(r * .15, .72));
702 cairo_line_to (cr, ARCARROW(r * .56, .60));
703 cairo_line_to (cr, ARCARROW(r * .75, .72));
704 cairo_line_to (cr, ARCARROW(r * .62, .72));
706 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
707 cairo_stroke_preserve (cr);
708 cairo_close_path (cr);
709 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
714 /** de-construct thorwil's metronom */
715 static void icon_transport_metronom (cairo_t *cr, const int width, const int height)
717 const double x = width * .5;
718 const double y = height * .5;
719 const double wh = std::min (x, y);
720 const double h = wh * .85;
721 const double w = wh * .55;
722 const double lw = w * .34;
725 x - w * .7, y + h * .25,
728 VECTORICONSTROKEFILL(1.0);
730 cairo_move_to (cr, x - w, y + h);
731 cairo_line_to (cr, x + w, y + h);
732 cairo_line_to (cr, x + w * .35, y - h);
733 cairo_line_to (cr, x - w * .35, y - h);
734 cairo_line_to (cr, x - w, y + h);
736 cairo_move_to (cr, x - w + lw, y + h -lw);
737 cairo_line_to (cr, x - w * .35 + lw, y - h + lw);
738 cairo_line_to (cr, x + w * .35 - lw, y - h + lw);
739 cairo_line_to (cr, x + w - lw, y + h -lw);
740 cairo_line_to (cr, x - w + lw, y + h -lw);
742 VECTORICONSTROKEFILL(1.0);
745 // ddx = .70 w = .75 * .5 wh = .375 wh
746 // ddy = .75 h - lw = .75 * .8 wh - wh .5 * .2 = .5 wh
748 // -> angle = atan (ang) = atan (375 / .5) ~= 36deg
749 const double dx = lw * .2; // 1 - cos(tan^-1(ang))
750 const double dy = lw * .4; // 1 - sin(tan^-1(ang))
751 cairo_move_to (cr, x - w * .3 , y + h * .25 + lw * .5);
752 cairo_line_to (cr, x - w + dx , y - h + lw + dy);
753 cairo_line_to (cr, x - w + lw , y - h + lw);
754 cairo_line_to (cr, x - w * .3 + lw, y + h * .25 + lw * .5);
755 cairo_close_path (cr);
757 VECTORICONSTROKEFILL(1.0);
760 x - w * .7, y + h * .25,
766 /*****************************************************************************
767 * Zoom: In "+", Out "-" and Full "[]"
769 static void icon_zoom (cairo_t *cr, const enum Gtkmm2ext::ArdourIcon::Icon icon, const int width, const int height, const uint32_t fg_color)
771 const double x = width * .5;
772 const double y = height * .5;
773 const double r = std::min (x, y) * .7;
774 const double wh = std::min (x, y) * .45;
777 #define LINE45DEG(rad) \
778 x + r * (rad) * .707, y + r * (rad) * .707 // sin(45deg) = cos(45deg) = .707
779 cairo_move_to (cr, LINE45DEG(.9));
780 cairo_line_to (cr, LINE45DEG(1.3));
781 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
782 cairo_set_line_width (cr, 3.0);
783 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
788 ardour_icon_set_source_rgba (cr, fg_color);
789 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
790 cairo_fill_preserve (cr);
792 // add a lens gradient
793 cairo_pattern_t *lens;
794 lens = cairo_pattern_create_radial (x - r, y - r, r * .5, x - r, y - r, r * 2);
795 cairo_pattern_add_color_stop_rgba (lens, 0, 1, 1, 1, .4);
796 cairo_pattern_add_color_stop_rgba (lens, 1, 0, 0, 0, .4);
797 cairo_set_source (cr, lens);
798 cairo_fill_preserve (cr);
799 cairo_pattern_destroy (lens);
802 cairo_set_line_width (cr, 1.5);
803 //ardour_icon_set_source_inv_rgba (cr, fg_color); // alpha
804 cairo_set_source_rgba (cr, .0, .0, .0, .8);
807 // add "+", "-" or "[]"
808 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
809 cairo_set_line_width (cr, 1.5);
810 ardour_icon_set_source_inv_rgba (cr, fg_color);
812 if (icon == ZoomIn || icon == ZoomOut) {
813 cairo_move_to (cr, x - wh, y);
814 cairo_line_to (cr, x + wh, y);
817 if (icon == ZoomIn) {
818 cairo_move_to (cr, x, y - wh);
819 cairo_line_to (cr, x, y + wh);
822 if (icon == ZoomFull) {
823 const double br0 = std::min (x, y) * .1;
824 const double br1 = std::min (x, y) * .3;
825 const double bry = std::min (x, y) * .3;
826 cairo_move_to (cr, x - br0, y - bry);
827 cairo_line_to (cr, x - br1, y - bry);
828 cairo_line_to (cr, x - br1, y + bry);
829 cairo_line_to (cr, x - br0, y + bry);
832 cairo_move_to (cr, x + br0, y - bry);
833 cairo_line_to (cr, x + br1, y - bry);
834 cairo_line_to (cr, x + br1, y + bry);
835 cairo_line_to (cr, x + br0, y + bry);
841 /*****************************************************************************
845 /** "close" - "X" , no outline */
846 static void icon_close_cross (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
848 const double x = width * .5;
849 const double y = height * .5;
850 const double o = .5 + std::min (x, y) * .4;
851 ardour_icon_set_source_rgba (cr, fg_color);
852 cairo_set_line_width (cr, 1.0);
853 cairo_move_to (cr, x-o, y-o);
854 cairo_line_to (cr, x+o, y+o);
855 cairo_move_to (cr, x+o, y-o);
856 cairo_line_to (cr, x-o, y+o);
861 static void icon_nudge_left (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
863 const double x = width * .5;
864 const double y = height * .5;
865 const double wh = std::min (x, y);
867 const double tri_x = .3 * wh;
868 const double tri_y = .6 * wh;
870 cairo_move_to (cr, x + tri_x, y - tri_y);
871 cairo_line_to (cr, x - tri_x, y);
872 cairo_line_to (cr, x + tri_x, y + tri_y);
873 VECTORICONSTROKEOUTLINE(1.5, fg_color);
877 static void icon_nudge_right (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
880 const double x = width * .5;
881 const double y = height * .5;
882 const double wh = std::min (x, y);
884 const double tri_x = .3 * wh;
885 const double tri_y = .6 * wh;
887 cairo_move_to (cr, x - tri_x, y - tri_y);
888 cairo_line_to (cr, x + tri_x, y);
889 cairo_line_to (cr, x - tri_x, y + tri_y);
890 VECTORICONSTROKEOUTLINE(1.5, fg_color);
894 /** mixer strip narrow/wide */
895 static void icon_strip_width (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
897 const double x0 = width * .2;
898 const double x1 = width * .8;
900 const double y0 = height * .25;
901 const double y1= height * .75;
903 const double ym= height * .5;
906 const double xa0= height * .39;
907 const double xa1= height * .61;
908 const double ya0= height * .35;
909 const double ya1= height * .65;
911 ardour_icon_set_source_rgba (cr, fg_color);
912 cairo_set_line_width (cr, 1);
915 cairo_move_to (cr, x0, y0);
916 cairo_line_to (cr, x0, y1);
917 cairo_move_to (cr, x1, y0);
918 cairo_line_to (cr, x1, y1);
921 cairo_move_to (cr, x0, ym);
922 cairo_line_to (cr, x1, ym);
925 cairo_move_to (cr, x0, ym);
926 cairo_line_to (cr, xa0, ya0);
927 cairo_move_to (cr, x0, ym);
928 cairo_line_to (cr, xa0, ya1);
931 cairo_move_to (cr, x1, ym);
932 cairo_line_to (cr, xa1, ya0);
933 cairo_move_to (cr, x1, ym);
934 cairo_line_to (cr, xa1, ya1);
938 /** 5-pin DIN MIDI socket */
939 static void icon_din_midi (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
941 const double x = width * .5;
942 const double y = height * .5;
943 const double r = std::min (x, y) * .75;
944 ardour_icon_set_source_rgba (cr, fg_color);
945 cairo_set_line_width (cr, 1);
946 cairo_arc (cr, x, y, r, .57 * M_PI, 2.43 * M_PI);
949 // pins equally spaced 45deg
950 cairo_arc (cr, x, y * 0.5, r * .15, 0, 2 * M_PI);
952 cairo_arc (cr, x * 0.5, y, r * .15, 0, 2 * M_PI);
954 cairo_arc (cr, x * 1.5, y, r * .15, 0, 2 * M_PI);
956 // .5 + .5 * .5 * sin(45deg), 1.5 - .5 * .5 * cos(45deg)
957 cairo_arc (cr, x * 0.677, y * .677, r * .15, 0, 2 * M_PI);
959 cairo_arc (cr, x * 1.323, y * .677, r * .15, 0, 2 * M_PI);
963 cairo_arc (cr, x, y+r, r * .26, 1.05 * M_PI, 1.95 * M_PI);
968 /*****************************************************************************/
971 Gtkmm2ext::ArdourIcon::render (cairo_t *cr,
972 const enum Gtkmm2ext::ArdourIcon::Icon icon,
973 const int width, const int height,
974 const Gtkmm2ext::ActiveState state,
975 const uint32_t fg_color)
980 if (width < 6 || height < 6) {
986 icon_transport_stop (cr, width, height);
989 icon_transport_play (cr, width, height);
992 icon_transport_loop (cr, width, height);
994 case TransportMetronom:
995 icon_transport_metronom (cr, width, height);
998 icon_transport_panic (cr, width, height);
1000 case TransportStart: // no break
1001 case TransportEnd: // no break
1002 case TransportRange:
1003 icon_transport_ck (cr, icon, width, height);
1006 icon_rec_tape (cr, width, height, state);
1009 icon_rec_enable (cr, width, height, state);
1012 icon_close_cross (cr, width, height, fg_color);
1015 icon_strip_width (cr, width, height, fg_color);
1018 icon_din_midi (cr, width, height, fg_color);
1021 icon_nudge_left (cr, width, height, fg_color);
1024 icon_nudge_right (cr, width, height, fg_color);
1026 case ZoomIn: // no break
1027 case ZoomOut: // no break
1029 icon_zoom (cr, icon, width, height, fg_color);
1031 case TimeAxisShrink:
1032 icon_tav_shrink (cr, width, height);
1034 case TimeAxisExpand:
1035 icon_tav_expand (cr, width, height);
1038 icon_tool_range (cr, width, height);
1041 icon_tool_grab (cr, width, height);
1044 icon_tool_cut (cr, width, height);
1047 icon_tool_stretch (cr, width, height);
1050 icon_tool_audition (cr, width, height);
1053 icon_tool_draw (cr, width, height);
1056 icon_tool_content (cr, width, height);
1066 #undef VECTORICONSTROKEFILL
1067 #undef VECTORICONSTROKEOUTLINE