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 = rint (wh);
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 - wh); // left arrow tip
148 const double x1 = rint(x + wh); // right arrow tip
150 // left and right box
151 cairo_rectangle (cr, x0 - lw, y0 - bw, 2 * lw, 2 * bw);
152 VECTORICONSTROKEFILL(1.0);
153 cairo_rectangle (cr, x1 - lw, y0 - bw, 2 * lw, 2 * bw);
154 VECTORICONSTROKEFILL(1.0);
157 cairo_move_to (cr, x0 + ar, ym - ar);
158 cairo_line_to (cr, x0 + .5, ym);
159 cairo_line_to (cr, x0 + ar, ym + ar);
161 cairo_move_to (cr, x1 - ar, ym - ar);
162 cairo_line_to (cr, x1 - .5, ym);
163 cairo_line_to (cr, x1 - ar, ym + ar);
165 // line connecting the arrows
166 cairo_move_to (cr, x0, ym);
167 cairo_line_to (cr, x1, ym);
168 VECTORICONSTROKEOUTLINE(lw, 0xffffffff);
170 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
171 cairo_rectangle (cr, x0 - lw, y0 - wh, 2 * lw, 2 * wh);
173 cairo_rectangle (cr, x1 - lw, y0 - wh, 2 * lw, 2 * wh);
177 /** Grab/Object tool - 6x8em "hand", with 'em' wide index finger. */
178 static void icon_tool_grab (cairo_t *cr, const int width, const int height)
180 const double x = width * .5;
181 const double y = height * .5;
182 const double em = std::min (x, y) * .15; // 1.5px at 20x20
184 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
187 cairo_move_to (cr, EM_POINT( 2.0, 4.0));
188 cairo_line_to (cr, EM_POINT(-1.5, 4.0));
189 cairo_line_to (cr, EM_POINT(-2.5, 2.0));
191 cairo_line_to (cr, EM_POINT(-3.0, 1.0));
194 cairo_line_to (cr, EM_POINT(-2.0, 0.0));
195 cairo_line_to (cr, EM_POINT(-2.1, -4.0));
196 cairo_line_to (cr, EM_POINT(-1.5, -4.5));
197 cairo_line_to (cr, EM_POINT(-1.1, -4.0));
198 cairo_line_to (cr, EM_POINT(-1.0, 0.1));
200 // middle finger knuckle
201 cairo_line_to (cr, EM_POINT(-0.6, 0.3));
202 cairo_line_to (cr, EM_POINT(-0.3, 0.0));
203 cairo_line_to (cr, EM_POINT(-0.2, -0.2));
204 cairo_line_to (cr, EM_POINT( 0.1, -0.3));
205 cairo_line_to (cr, EM_POINT( 0.4, -0.2));
206 cairo_line_to (cr, EM_POINT( 0.5, 0.1));
208 // ring finger knuckle
209 cairo_line_to (cr, EM_POINT( 0.8, 0.4));
210 cairo_line_to (cr, EM_POINT( 1.1, 0.2));
211 cairo_line_to (cr, EM_POINT( 1.2, 0.0));
212 cairo_line_to (cr, EM_POINT( 1.5, -0.1));
213 cairo_line_to (cr, EM_POINT( 1.8, 0.0));
214 cairo_line_to (cr, EM_POINT( 1.9, 0.4));
217 cairo_line_to (cr, EM_POINT( 2.0, 0.6));
218 cairo_line_to (cr, EM_POINT( 2.4, 0.4));
219 cairo_line_to (cr, EM_POINT( 2.8, 0.5));
220 cairo_line_to (cr, EM_POINT( 3.0, 1.0));
223 cairo_line_to (cr, EM_POINT( 3.0, 1.5));
224 cairo_line_to (cr, EM_POINT( 2.0, 4.0));
226 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
227 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
228 VECTORICONSTROKEFILL(1.0);
232 /** cut icon - scissors */
233 static void icon_tool_cut (cairo_t *cr, const int width, const int height)
235 const double x = width * .5;
236 const double y = height * .5;
237 const double em = std::min (x, y) * .1; // 1px at 20x20
239 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
242 cairo_translate (cr, EM_POINT(4, -3));
243 cairo_scale (cr, 1.6, 1.0); // ellipse
244 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
247 cairo_move_to (cr, EM_POINT(-6.0, 2.5));
248 cairo_line_to (cr, EM_POINT( 5.5, -2.0));
250 cairo_move_to (cr, EM_POINT(-6.0, -2.5));
251 cairo_line_to (cr, EM_POINT( 5.5, 2.0));
254 cairo_translate (cr, EM_POINT(4, 3));
255 cairo_scale (cr, 1.6, 1.0); // ellipse
256 cairo_arc (cr, 0., 0., 1.5 * em, 0., 2 * M_PI);
259 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
260 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
262 VECTORICONSTROKEOUTLINE (1.5 * em, 0xffffffff);
266 /** time stretch icon */
267 static void icon_tool_stretch (cairo_t *cr, const int width, const int height)
269 const double x = width * .5;
270 const double y = height * .5;
271 const double wh = std::min (x, y) * .55;
273 const double y0 = ceil (y);
274 const double bw = rint (wh);
275 const double lw = rint (wh / 3.0) / 2.0;
276 const double x0 = rint (x + lw) + .5;
278 // box indication region
279 cairo_rectangle (cr, x0 - lw - bw - .5, y0 - bw, lw + bw, 2 * bw);
280 VECTORICONSTROKEFILL (0.75);
282 cairo_set_line_width (cr, 1.0);
285 cairo_move_to (cr, x0, y);
286 cairo_line_to (cr, x0 - lw * 2, y);
287 cairo_line_to (cr, x0 - lw * 2, y - lw * 3.5);
288 cairo_line_to (cr, x0 - lw * 6, y);
289 cairo_line_to (cr, x0 - lw * 2, y + lw * 3.5);
290 cairo_line_to (cr, x0 - lw * 2, y);
292 cairo_set_source_rgba (cr, 0, 0, 0, .5);
293 cairo_stroke_preserve (cr);
294 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
297 // outside/right arrow
298 cairo_move_to (cr, x0, y);
299 cairo_line_to (cr, x0 + lw * 2, y);
300 cairo_line_to (cr, x0 + lw * 2, y - lw * 4);
301 cairo_line_to (cr, x0 + lw * 6, y);
302 cairo_line_to (cr, x0 + lw * 2, y + lw * 4);
303 cairo_line_to (cr, x0 + lw * 2, y);
305 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
306 cairo_stroke_preserve (cr);
307 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
311 /** audition - small speaker with sound-waves*/
312 static void icon_tool_audition (cairo_t *cr, const int width, const int height)
314 const double x = width * .5;
315 const double y = height * .5;
316 const double em = std::min (x, y) * .1; // 1px at 20x20
318 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
320 cairo_move_to (cr, EM_POINT(-7.0, -2.0));
321 cairo_line_to (cr, EM_POINT(-7.0, 2.0));
322 cairo_line_to (cr, EM_POINT(-6.0, 3.0));
323 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
324 cairo_line_to (cr, EM_POINT( 2.0, 6.0));
325 cairo_line_to (cr, EM_POINT( 2.0, -6.0));
326 cairo_line_to (cr, EM_POINT(-3.0, -3.0));
327 cairo_line_to (cr, EM_POINT(-6.0, -3.0));
328 cairo_close_path (cr);
330 cairo_pattern_t *speaker;
331 speaker = cairo_pattern_create_linear (EM_POINT(0, -3.0), EM_POINT(0, 3.0));
332 cairo_pattern_add_color_stop_rgba (speaker, 0.0, 0.8, 0.8, 0.8, 1.0);
333 cairo_pattern_add_color_stop_rgba (speaker, 0.25, 1.0, 1.0, 1.0, 1.0);
334 cairo_pattern_add_color_stop_rgba (speaker, 1.0, 0.6, 0.6, 0.6, 1.0);
336 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
337 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
338 cairo_set_line_width (cr, 1.5);
339 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
340 cairo_stroke_preserve (cr);
341 cairo_set_source (cr, speaker);
343 cairo_pattern_destroy (speaker);
345 // TODO use a slight curve
346 cairo_move_to (cr, EM_POINT(-3.0, -3.0));
347 cairo_line_to (cr, EM_POINT(-3.5, 0.0));
348 cairo_line_to (cr, EM_POINT(-3.0, 3.0));
349 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
350 cairo_set_line_width (cr, 1.0);
355 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
356 cairo_set_source_rgba (cr, 1, 1, 1, 1);
358 cairo_translate (cr, EM_POINT (4.0, 0));
359 cairo_scale (cr, 0.8, 1.25); // ellipse
361 cairo_arc (cr, 0, 0, 4 * em, -.5 * M_PI, .5 * M_PI);
362 cairo_set_line_width (cr, .8 * em);
365 cairo_arc (cr, 0, 0, 2 * em, -.5 * M_PI, .5 * M_PI);
366 cairo_set_line_width (cr, .5 * em);
372 /** pen top-left to bottom right */
373 static void icon_tool_draw (cairo_t *cr, const int width, const int height)
375 const double x = width * .5;
376 const double y = height * .5;
377 const double em = std::min (x, y) * .1; // 1px at 20x20
379 #define EM_POINT(X,Y) x + (X) * em, y + (Y) * em
381 // pen [6,-5] to [-3, 3]
382 // y = -8 * x / 9 + 1/3
385 cairo_move_to (cr, EM_POINT( 5.0, -6.11));
386 cairo_line_to (cr, EM_POINT( 6.4, -5.35)); // todo round properly.
387 cairo_line_to (cr, EM_POINT( 7.0, -3.88));
390 cairo_line_to (cr, EM_POINT(-2.0, 4.11));
391 cairo_line_to (cr, EM_POINT(-6.0, 5.66)); // pen tip
392 cairo_line_to (cr, EM_POINT(-4.0, 1.88));
393 cairo_close_path (cr);
395 cairo_pattern_t *pen;
396 pen = cairo_pattern_create_linear (EM_POINT(-3.0, -6.0), EM_POINT(6.0, 4.0));
397 cairo_pattern_add_color_stop_rgba (pen, 0.4, 0.6, 0.6, 0.6, 1.0);
398 cairo_pattern_add_color_stop_rgba (pen, 0.5, 1.0, 1.0, 1.0, 1.0);
399 cairo_pattern_add_color_stop_rgba (pen, 0.6, 0.1, 0.1, 0.1, 1.0);
401 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
402 cairo_set_line_join (cr, CAIRO_LINE_JOIN_ROUND);
403 cairo_set_line_width (cr, em + .5);
404 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
405 cairo_stroke_preserve (cr);
406 cairo_set_source (cr, pen);
410 cairo_move_to (cr, EM_POINT(-2.0, 4.11));
411 cairo_line_to (cr, EM_POINT(-3.0, 2.8)); // slight curve [-3,3]
412 cairo_line_to (cr, EM_POINT(-4.0, 2.0));
413 cairo_set_line_width (cr, OUTLINEWIDTH);
414 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
415 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
419 cairo_move_to (cr, EM_POINT(-5.0, 3.9));
420 cairo_line_to (cr, EM_POINT(-6.0, 5.66));
421 cairo_line_to (cr, EM_POINT(-4.1, 4.9));
422 cairo_close_path (cr);
423 cairo_set_source_rgba (cr, 0, 0, 0, 0.7);
424 cairo_set_line_width (cr, em);
425 cairo_stroke_preserve (cr);
428 cairo_pattern_destroy (pen);
432 /** Toolbar icon - Time Axis View reduce height */
433 static void icon_tav_shrink (cairo_t *cr, const int width, const int height)
435 const double x = width * .5;
436 const double y = height * .5;
437 const double wh = std::min (x, y) * .66;
438 const double ar = std::min (x, y) * .15;
439 const double tri = .7 * (wh - ar);
441 cairo_rectangle (cr, x - wh, y - ar, 2 * wh, 2 * ar);
442 VECTORICONSTROKEFILL(.75);
444 cairo_set_line_width (cr, 1.0);
446 cairo_move_to (cr, x, y - ar - 0.5);
447 cairo_line_to (cr, x - tri, y - wh + 0.5);
448 cairo_line_to (cr, x + tri, y - wh + 0.5);
449 cairo_close_path (cr);
451 cairo_set_source_rgba (cr, 1, 1, 1, .75);
452 cairo_stroke_preserve (cr);
453 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
456 cairo_move_to (cr, x, y + ar + 0.5);
457 cairo_line_to (cr, x - tri, y + wh - 0.5);
458 cairo_line_to (cr, x + tri, y + wh - 0.5);
459 cairo_close_path (cr);
461 cairo_set_source_rgba (cr, 1, 1, 1, .75);
462 cairo_stroke_preserve (cr);
463 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
467 /** Toolbar icon - Time Axis View increase height */
468 static void icon_tav_expand (cairo_t *cr, const int width, const int height)
470 const double x = width * .5;
471 const double y = height * .5;
472 const double wh = std::min (x, y) * .66;
473 const double ar = std::min (x, y) * .15;
474 const double tri = .7 * (wh - ar);
476 cairo_rectangle (cr, x - wh, y - wh, 2 * wh, 2 * wh);
477 VECTORICONSTROKEFILL(.75);
479 cairo_set_line_width (cr, 1.0);
481 cairo_move_to (cr, x, y - wh + 0.5);
482 cairo_line_to (cr, x - tri, y - ar - 0.5);
483 cairo_line_to (cr, x + tri, y - ar - 0.5);
484 cairo_close_path (cr);
486 cairo_set_source_rgba (cr, 1, 1, 1, .5);
487 cairo_stroke_preserve (cr);
488 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
491 cairo_move_to (cr, x , y + wh - 0.5);
492 cairo_line_to (cr, x - tri, y + ar + 0.5);
493 cairo_line_to (cr, x + tri, y + ar + 0.5);
494 cairo_close_path (cr);
496 cairo_set_source_rgba (cr, 1, 1, 1, .5);
497 cairo_stroke_preserve (cr);
498 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
503 /*****************************************************************************
504 * Record enable (transport & track header).
506 * hardcoded "red" #f46f6f
509 /** standard rec-enable circle */
510 static void icon_rec_enable (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
512 const double x = width * .5;
513 const double y = height * .5;
514 const double r = std::min (x, y) * .55;
515 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
516 if (state == Gtkmm2ext::ExplicitActive)
517 cairo_set_source_rgba (cr, 0.95, 0.10, 0.10, 1.0);
519 cairo_set_source_rgba (cr, 0.95, 0.44, 0.44, 1.0); // #f46f6f
520 cairo_fill_preserve (cr);
521 cairo_set_source_rgba (cr, 0.0, 0.0, 0.0, 0.8); // outline
522 cairo_set_line_width (cr, 1);
526 /** tape-mode, "reel" */
527 static void icon_rec_tape (cairo_t *cr, const int width, const int height, const Gtkmm2ext::ActiveState state)
529 const double x = width * .5;
530 const double y = height * .5;
531 const double r = std::min (x, y) * .6;
532 const double slit = .11 * M_PI;
533 cairo_translate (cr, x, y);
535 cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
536 if (state == Gtkmm2ext::ExplicitActive) {
537 cairo_set_source_rgba (cr, .95, .1, .1, 1.);
539 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
541 cairo_fill_preserve (cr);
542 cairo_set_source_rgba (cr, .0, .0, .0, .5);
543 cairo_set_line_width (cr, 1);
547 cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
549 cairo_rotate (cr, -.5 * M_PI);
550 cairo_move_to (cr, 0, 0);
551 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
552 cairo_line_to (cr, 0, 0);
553 cairo_close_path (cr);
556 cairo_rotate (cr, 2. * M_PI / 3.);
558 cairo_move_to (cr, 0, 0);
559 cairo_arc (cr, 0, 0, r *.85, -slit, slit);
560 cairo_line_to (cr, 0, 0);
561 cairo_close_path (cr);
564 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);
573 cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
574 if (state == Gtkmm2ext::ExplicitActive)
575 cairo_set_source_rgba (cr, .95, .1, .1, 1.);
577 cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
579 cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
580 cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
585 /*****************************************************************************
586 * Transport buttons, foreground is always white
589 /** stop square box */
590 static void icon_transport_stop (cairo_t *cr, const int width, const int height)
592 const int wh = std::min (width, height);
594 (width - wh) * .5 + wh * .25,
595 (height - wh) * .5 + wh * .25,
597 VECTORICONSTROKEFILL(0.9); // small 'shine'
601 static void icon_transport_play (cairo_t *cr, const int width, const int height)
603 const int wh = std::min (width, height) * .5;
604 const double y = height * .5;
605 const double x = width - wh;
607 const double tri = ceil (.577 * wh); // 1/sqrt(3)
609 cairo_move_to (cr, x + wh * .5, y);
610 cairo_line_to (cr, x - wh * .5, y - tri);
611 cairo_line_to (cr, x - wh * .5, y + tri);
612 cairo_close_path (cr);
614 VECTORICONSTROKEFILL(0.9);
617 /** Midi Panic "!" */
618 static void icon_transport_panic (cairo_t *cr, const int width, const int height)
620 const int wh = std::min (width, height) * .1;
621 const double xc = width * .5;
622 const double yh = height;
626 VECTORICONSTROKEFILL(0.9);
628 cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
629 VECTORICONSTROKEFILL(0.9);
632 /** various combinations of lines and triangles "|>|", ">|" "|>" */
633 static void icon_transport_ck (cairo_t *cr,
634 const enum Gtkmm2ext::ArdourIcon::Icon icon,
635 const int width, const int height)
637 // small play triangle
638 int wh = std::min (width, height);
639 const double y = height * .5;
640 const double x = width - wh * .5;
642 const double tri = ceil (.577 * wh * 2); // 1/sqrt(3)
644 const float ln = std::min (width, height) * .07;
646 if (icon == TransportStart || icon == TransportRange) {
648 x - wh - ln, y - tri * 1.7,
651 VECTORICONSTROKEFILL(1.0);
654 if (icon == TransportEnd || icon == TransportRange) {
656 x + wh - ln, y - tri * 1.7,
659 VECTORICONSTROKEFILL(1.0);
662 if (icon == TransportStart) {
663 cairo_move_to (cr, x - wh, y);
664 cairo_line_to (cr, x + wh, y - tri);
665 cairo_line_to (cr, x + wh, y + tri);
667 cairo_move_to (cr, x + wh, y);
668 cairo_line_to (cr, x - wh, y - tri);
669 cairo_line_to (cr, x - wh, y + tri);
672 cairo_close_path (cr);
673 VECTORICONSTROKEFILL(1.0);
677 static void icon_transport_loop (cairo_t *cr, const int width, const int height)
679 const double x = width * .5;
680 const double y = height * .5;
681 const double r = std::min (x, y);
683 cairo_arc (cr, x, y, r * .62, 0, 2 * M_PI);
684 cairo_arc_negative (cr, x, y, r * .35, 2 * M_PI, 0);
686 VECTORICONSTROKEFILL(1.0);
688 #define ARCARROW(rad, ang) \
689 x + (rad) * sin ((ang) * 2.0 * M_PI), y + (rad) * cos ((ang) * 2.0 * M_PI)
691 cairo_move_to (cr, ARCARROW(r * .35, .72));
692 cairo_line_to (cr, ARCARROW(r * .15, .72));
693 cairo_line_to (cr, ARCARROW(r * .56, .60));
694 cairo_line_to (cr, ARCARROW(r * .75, .72));
695 cairo_line_to (cr, ARCARROW(r * .62, .72));
697 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
698 cairo_stroke_preserve (cr);
699 cairo_close_path (cr);
700 cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
705 /** de-construct thorwil's metronom */
706 static void icon_transport_metronom (cairo_t *cr, const int width, const int height)
708 const double x = width * .5;
709 const double y = height * .5;
710 const double wh = std::min (x, y);
711 const double h = wh * .85;
712 const double w = wh * .55;
713 const double lw = w * .34;
716 x - w * .7, y + h * .25,
719 VECTORICONSTROKEFILL(1.0);
721 cairo_move_to (cr, x - w, y + h);
722 cairo_line_to (cr, x + w, y + h);
723 cairo_line_to (cr, x + w * .35, y - h);
724 cairo_line_to (cr, x - w * .35, y - h);
725 cairo_line_to (cr, x - w, y + h);
727 cairo_move_to (cr, x - w + lw, y + h -lw);
728 cairo_line_to (cr, x - w * .35 + lw, y - h + lw);
729 cairo_line_to (cr, x + w * .35 - lw, y - h + lw);
730 cairo_line_to (cr, x + w - lw, y + h -lw);
731 cairo_line_to (cr, x - w + lw, y + h -lw);
733 VECTORICONSTROKEFILL(1.0);
736 // ddx = .70 w = .75 * .5 wh = .375 wh
737 // ddy = .75 h - lw = .75 * .8 wh - wh .5 * .2 = .5 wh
739 // -> angle = atan (ang) = atan (375 / .5) ~= 36deg
740 const double dx = lw * .2; // 1 - cos(tan^-1(ang))
741 const double dy = lw * .4; // 1 - sin(tan^-1(ang))
742 cairo_move_to (cr, x - w * .3 , y + h * .25 + lw * .5);
743 cairo_line_to (cr, x - w + dx , y - h + lw + dy);
744 cairo_line_to (cr, x - w + lw , y - h + lw);
745 cairo_line_to (cr, x - w * .3 + lw, y + h * .25 + lw * .5);
746 cairo_close_path (cr);
748 VECTORICONSTROKEFILL(1.0);
751 x - w * .7, y + h * .25,
757 /*****************************************************************************
758 * Zoom: In "+", Out "-" and Full "[]"
760 static void icon_zoom (cairo_t *cr, const enum Gtkmm2ext::ArdourIcon::Icon icon, const int width, const int height, const uint32_t fg_color)
762 const double x = width * .5;
763 const double y = height * .5;
764 const double r = std::min (x, y) * .7;
765 const double wh = std::min (x, y) * .45;
768 #define LINE45DEG(rad) \
769 x + r * (rad) * .707, y + r * (rad) * .707 // sin(45deg) = cos(45deg) = .707
770 cairo_move_to (cr, LINE45DEG(.9));
771 cairo_line_to (cr, LINE45DEG(1.3));
772 cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
773 cairo_set_line_width (cr, 3.0);
774 cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
779 ardour_icon_set_source_rgba (cr, fg_color);
780 cairo_arc (cr, x, y, r, 0, 2 * M_PI);
781 cairo_fill_preserve (cr);
783 // add a lens gradient
784 cairo_pattern_t *lens;
785 lens = cairo_pattern_create_radial (x - r, y - r, r * .5, x - r, y - r, r * 2);
786 cairo_pattern_add_color_stop_rgba (lens, 0, 1, 1, 1, .4);
787 cairo_pattern_add_color_stop_rgba (lens, 1, 0, 0, 0, .4);
788 cairo_set_source (cr, lens);
789 cairo_fill_preserve (cr);
790 cairo_pattern_destroy (lens);
793 cairo_set_line_width (cr, 1.5);
794 //ardour_icon_set_source_inv_rgba (cr, fg_color); // alpha
795 cairo_set_source_rgba (cr, .0, .0, .0, .8);
798 // add "+", "-" or "[]"
799 cairo_set_line_cap (cr, CAIRO_LINE_CAP_BUTT);
800 cairo_set_line_width (cr, 1.5);
801 ardour_icon_set_source_inv_rgba (cr, fg_color);
803 if (icon == ZoomIn || icon == ZoomOut) {
804 cairo_move_to (cr, x - wh, y);
805 cairo_line_to (cr, x + wh, y);
808 if (icon == ZoomIn) {
809 cairo_move_to (cr, x, y - wh);
810 cairo_line_to (cr, x, y + wh);
813 if (icon == ZoomFull) {
814 const double br0 = std::min (x, y) * .1;
815 const double br1 = std::min (x, y) * .3;
816 const double bry = std::min (x, y) * .3;
817 cairo_move_to (cr, x - br0, y - bry);
818 cairo_line_to (cr, x - br1, y - bry);
819 cairo_line_to (cr, x - br1, y + bry);
820 cairo_line_to (cr, x - br0, y + bry);
823 cairo_move_to (cr, x + br0, y - bry);
824 cairo_line_to (cr, x + br1, y - bry);
825 cairo_line_to (cr, x + br1, y + bry);
826 cairo_line_to (cr, x + br0, y + bry);
832 /*****************************************************************************
836 /** "close" - "X" , no outline */
837 static void icon_close_cross (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
839 const double x = width * .5;
840 const double y = height * .5;
841 const double o = .5 + std::min (x, y) * .4;
842 ardour_icon_set_source_rgba (cr, fg_color);
843 cairo_set_line_width (cr, 1);
844 cairo_move_to (cr, x-o, y-o);
845 cairo_line_to (cr, x+o, y+o);
846 cairo_move_to (cr, x+o, y-o);
847 cairo_line_to (cr, x-o, y+o);
852 static void icon_nudge_left (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
854 const double x = width * .5;
855 const double y = height * .5;
856 const double wh = std::min (x, y);
858 const double tri_x = .3 * wh;
859 const double tri_y = .6 * wh;
861 cairo_move_to (cr, x + tri_x, y - tri_y);
862 cairo_line_to (cr, x - tri_x, y);
863 cairo_line_to (cr, x + tri_x, y + tri_y);
864 VECTORICONSTROKEOUTLINE(1.5, fg_color);
868 static void icon_nudge_right (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
871 const double x = width * .5;
872 const double y = height * .5;
873 const double wh = std::min (x, y);
875 const double tri_x = .3 * wh;
876 const double tri_y = .6 * wh;
878 cairo_move_to (cr, x - tri_x, y - tri_y);
879 cairo_line_to (cr, x + tri_x, y);
880 cairo_line_to (cr, x - tri_x, y + tri_y);
881 VECTORICONSTROKEOUTLINE(1.5, fg_color);
885 /** mixer strip narrow/wide */
886 static void icon_strip_width (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
888 const double x0 = width * .2;
889 const double x1 = width * .8;
891 const double y0 = height * .25;
892 const double y1= height * .75;
894 const double ym= height * .5;
897 const double xa0= height * .39;
898 const double xa1= height * .61;
899 const double ya0= height * .35;
900 const double ya1= height * .65;
902 ardour_icon_set_source_rgba (cr, fg_color);
903 cairo_set_line_width (cr, 1);
906 cairo_move_to (cr, x0, y0);
907 cairo_line_to (cr, x0, y1);
908 cairo_move_to (cr, x1, y0);
909 cairo_line_to (cr, x1, y1);
912 cairo_move_to (cr, x0, ym);
913 cairo_line_to (cr, x1, ym);
916 cairo_move_to (cr, x0, ym);
917 cairo_line_to (cr, xa0, ya0);
918 cairo_move_to (cr, x0, ym);
919 cairo_line_to (cr, xa0, ya1);
922 cairo_move_to (cr, x1, ym);
923 cairo_line_to (cr, xa1, ya0);
924 cairo_move_to (cr, x1, ym);
925 cairo_line_to (cr, xa1, ya1);
929 /** 5-pin DIN MIDI socket */
930 static void icon_din_midi (cairo_t *cr, const int width, const int height, const uint32_t fg_color)
932 const double x = width * .5;
933 const double y = height * .5;
934 const double r = std::min (x, y) * .75;
935 ardour_icon_set_source_rgba (cr, fg_color);
936 cairo_set_line_width (cr, 1);
937 cairo_arc (cr, x, y, r, .57 * M_PI, 2.43 * M_PI);
940 // pins equally spaced 45deg
941 cairo_arc (cr, x, y * 0.5, r * .15, 0, 2 * M_PI);
943 cairo_arc (cr, x * 0.5, y, r * .15, 0, 2 * M_PI);
945 cairo_arc (cr, x * 1.5, y, r * .15, 0, 2 * M_PI);
947 // .5 + .5 * .5 * sin(45deg), 1.5 - .5 * .5 * cos(45deg)
948 cairo_arc (cr, x * 0.677, y * .677, r * .15, 0, 2 * M_PI);
950 cairo_arc (cr, x * 1.323, y * .677, r * .15, 0, 2 * M_PI);
954 cairo_arc (cr, x, y+r, r * .26, 1.05 * M_PI, 1.95 * M_PI);
959 /*****************************************************************************/
962 Gtkmm2ext::ArdourIcon::render (cairo_t *cr,
963 const enum Gtkmm2ext::ArdourIcon::Icon icon,
964 const int width, const int height,
965 const Gtkmm2ext::ActiveState state,
966 const uint32_t fg_color)
971 assert (width > 5 && height > 5);
975 icon_transport_stop (cr, width, height);
978 icon_transport_play (cr, width, height);
981 icon_transport_loop (cr, width, height);
983 case TransportMetronom:
984 icon_transport_metronom (cr, width, height);
987 icon_transport_panic (cr, width, height);
989 case TransportStart: // no break
990 case TransportEnd: // no break
992 icon_transport_ck (cr, icon, width, height);
995 icon_rec_tape (cr, width, height, state);
998 icon_rec_enable (cr, width, height, state);
1001 icon_close_cross (cr, width, height, fg_color);
1004 icon_strip_width (cr, width, height, fg_color);
1007 icon_din_midi (cr, width, height, fg_color);
1010 icon_nudge_left (cr, width, height, fg_color);
1013 icon_nudge_right (cr, width, height, fg_color);
1015 case ZoomIn: // no break
1016 case ZoomOut: // no break
1018 icon_zoom (cr, icon, width, height, fg_color);
1020 case TimeAxisShrink:
1021 icon_tav_shrink (cr, width, height);
1023 case TimeAxisExpand:
1024 icon_tav_expand (cr, width, height);
1027 icon_tool_range (cr, width, height);
1030 icon_tool_grab (cr, width, height);
1033 icon_tool_cut (cr, width, height);
1036 icon_tool_stretch (cr, width, height);
1039 icon_tool_audition (cr, width, height);
1042 icon_tool_draw (cr, width, height);
1045 icon_tool_content (cr, width, height);
1055 #undef VECTORICONSTROKEFILL
1056 #undef VECTORICONSTROKEOUTLINE