- /* TODO separate these into dedicated class
- * it may also be efficient to render them only once for every size (image-surface) */
- if ((_elements & VectorIcon) && _icon == RecTapeMode) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double r = std::min(10., std::min(x, y) * .6); // TODO we need a better way to limit max. radius.
- const double slit = .11 * M_PI;
- cairo_save(cr);
- cairo_translate(cr, x, y);
-
- cairo_arc (cr, 0, 0, r, 0, 2 * M_PI);
- if (active_state() == Gtkmm2ext::ExplicitActive) {
- cairo_set_source_rgba (cr, .95, .1, .1, 1.);
- } else {
- cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
- }
- cairo_fill_preserve(cr);
- cairo_set_source_rgba (cr, .0, .0, .0, .5);
- cairo_set_line_width(cr, 1);
- cairo_stroke(cr);
-
- cairo_save(cr);
- cairo_set_source_rgba (cr, .15, .07, .07, 1.0);
-
- cairo_rotate (cr, -.5 * M_PI);
- cairo_move_to(cr, 0, 0);
- cairo_arc (cr, 0, 0, r *.85, -slit, slit);
- cairo_line_to(cr, 0, 0);
- cairo_close_path(cr);
-
- cairo_fill(cr);
- cairo_rotate (cr, 2. * M_PI / 3.);
-
- cairo_move_to(cr, 0, 0);
- cairo_arc (cr, 0, 0, r *.85, -slit, slit);
- cairo_line_to(cr, 0, 0);
- cairo_close_path(cr);
- cairo_fill(cr);
-
- cairo_rotate (cr, 2. * M_PI / 3.);
- cairo_move_to(cr, 0, 0);
- cairo_arc (cr, 0, 0, r *.85, -slit, slit);
- cairo_line_to(cr, 0, 0);
- cairo_close_path(cr);
- cairo_fill(cr);
-
- cairo_restore(cr);
-
- cairo_arc (cr, 0, 0, r * .3, 0, 2 * M_PI);
- if (active_state() == Gtkmm2ext::ExplicitActive)
- cairo_set_source_rgba (cr, .95, .1, .1, 1.);
- else
- cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
- cairo_fill(cr);
- cairo_set_source_rgba (cr, .0, .0, .0, 1.0);
- cairo_arc (cr, 0, 0, r *.15, 0, 2 * M_PI); // hole in the middle
- cairo_fill(cr);
-
- cairo_restore(cr);
- }
- else if ((_elements & VectorIcon) && _icon == RecButton) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double r = std::min(10., std::min(x, y) * .55); // TODO we need a better way to limit max. radius.
- cairo_arc (cr, x, y, r, 0, 2 * M_PI);
- if (active_state() == Gtkmm2ext::ExplicitActive)
- cairo_set_source_rgba (cr, .95, .1, .1, 1.);
- else
- cairo_set_source_rgba (cr, .95, .44, .44, 1.); // #f46f6f
- cairo_fill_preserve(cr);
- cairo_set_source_rgba (cr, .0, .0, .0, .8);
- cairo_set_line_width(cr, 1);
- cairo_stroke(cr);
- }
- else if ((_elements & VectorIcon) && _icon == CloseCross) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double o = .5 + std::min(x, y) * .4;
- ArdourCanvas::set_source_rgba (cr, text_color);
- cairo_set_line_width(cr, 1);
- cairo_move_to(cr, x-o, y-o);
- cairo_line_to(cr, x+o, y+o);
- cairo_move_to(cr, x+o, y-o);
- cairo_line_to(cr, x-o, y+o);
- cairo_stroke(cr);
- }
- else if ((_elements & VectorIcon) && _icon == StripWidth) {
- const double x0 = get_width() * .2;
- const double x1 = get_width() * .8;
-
- const double y0 = get_height() * .25;
- const double y1= get_height() * .75;
-
- const double ym= get_height() * .5;
-
- // arrow
- const double xa0= get_height() * .39;
- const double xa1= get_height() * .61;
- const double ya0= get_height() * .35;
- const double ya1= get_height() * .65;
-
- ArdourCanvas::set_source_rgba (cr, text_color);
- cairo_set_line_width(cr, 1);
-
- // left + right
- cairo_move_to(cr, x0, y0);
- cairo_line_to(cr, x0, y1);
- cairo_move_to(cr, x1, y0);
- cairo_line_to(cr, x1, y1);
-
- // horiz center line
- cairo_move_to(cr, x0, ym);
- cairo_line_to(cr, x1, ym);
-
- // arrow left
- cairo_move_to(cr, x0, ym);
- cairo_line_to(cr, xa0, ya0);
- cairo_move_to(cr, x0, ym);
- cairo_line_to(cr, xa0, ya1);
-
- // arrow right
- cairo_move_to(cr, x1, ym);
- cairo_line_to(cr, xa1, ya0);
- cairo_move_to(cr, x1, ym);
- cairo_line_to(cr, xa1, ya1);
- cairo_stroke(cr);
- }
- else if ((_elements & VectorIcon) && _icon == DinMidi) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double r = std::min(x, y) * .75;
- ArdourCanvas::set_source_rgba (cr, text_color);
- cairo_set_line_width(cr, 1);
- cairo_arc (cr, x, y, r, 0, 2 * M_PI);
- cairo_stroke(cr);
-
- // pins equally spaced 45deg
- cairo_arc (cr, x, y * 0.5, r * .15, 0, 2 * M_PI);
- cairo_fill(cr);
- cairo_arc (cr, x * 0.5, y, r * .15, 0, 2 * M_PI);
- cairo_fill(cr);
- cairo_arc (cr, x * 1.5, y, r * .15, 0, 2 * M_PI);
- cairo_fill(cr);
- // .5 + .5 * .5 * sin(45deg), 1.5 - .5 * .5 * cos(45deg)
- cairo_arc (cr, x * 0.677, y * .677, r * .15, 0, 2 * M_PI);
- cairo_fill(cr);
- cairo_arc (cr, x * 1.323, y * .677, r * .15, 0, 2 * M_PI);
- cairo_fill(cr);
-
- // bottom notch
- cairo_arc (cr, x, y+r, r * .28, 1.05 * M_PI, 1.95 * M_PI);
- cairo_stroke(cr);
- }
- else if ((_elements & VectorIcon) && _icon == TransportStop) {
- const int wh = std::min (get_width(), get_height());
- cairo_rectangle (cr,
- (get_width() - wh) * .5 + wh * .25,
- (get_height() - wh) * .5 + wh * .25,
- wh * .5, wh * .5);
-
- VECTORICONSTROKEFILL;
- }
- else if ((_elements & VectorIcon) && _icon == TransportPlay) {
- const int wh = std::min (get_width(), get_height()) * .5;
- const double y = get_height() * .5;
- const double x = get_width() - wh;
-
- const float tri = ceil(.577 * wh); // 1/sqrt(3)
-
- cairo_move_to (cr, x + wh * .5, y);
- cairo_line_to (cr, x - wh * .5, y - tri);
- cairo_line_to (cr, x - wh * .5, y + tri);
- cairo_close_path (cr);
-
- VECTORICONSTROKEFILL;
- }
- else if ((_elements & VectorIcon) && _icon == TransportPanic) {
- const int wh = std::min (get_width(), get_height()) * .1;
- const double xc = get_width() * .5;
- const double yh = get_height();
- cairo_rectangle (cr,
- xc - wh, yh *.2,
- wh * 2, yh *.4);
- VECTORICONSTROKEFILL;
-
- cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
- VECTORICONSTROKEFILL;
- }
- else if ((_elements & VectorIcon) && (_icon == TransportStart || _icon == TransportEnd || _icon == TransportRange)) {
- // small play triangle
- int wh = std::min (get_width(), get_height());
- const double y = get_height() * .5;
- const double x = get_width() - wh * .5;
- wh *= .18;
- const float tri = ceil(.577 * wh * 2); // 1/sqrt(3)
-
- const float ln = std::min (get_width(), get_height()) * .07;
-
- if (_icon == TransportStart || _icon == TransportRange) {
- cairo_rectangle (cr,
- x - wh - ln, y - tri * 1.7,
- ln * 2, tri * 3.4);
-
- VECTORICONSTROKEFILL;
- }
-
- if (_icon == TransportEnd || _icon == TransportRange) {
- cairo_rectangle (cr,
- x + wh - ln, y - tri * 1.7,
- ln * 2, tri * 3.4);
-
- VECTORICONSTROKEFILL;
- }
-
- if (_icon == TransportStart) {
- cairo_move_to (cr, x - wh, y);
- cairo_line_to (cr, x + wh, y - tri);
- cairo_line_to (cr, x + wh, y + tri);
- } else {
- cairo_move_to (cr, x + wh, y);
- cairo_line_to (cr, x - wh, y - tri);
- cairo_line_to (cr, x - wh, y + tri);
- }
-
- cairo_close_path (cr);
- VECTORICONSTROKEFILL;
- }
- else if ((_elements & VectorIcon) && _icon == TransportLoop) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double r = std::min(x, y);
-
- cairo_arc (cr, x, y, r * .6, 0, 2 * M_PI);
- cairo_arc_negative (cr, x, y, r * .3, 2 * M_PI, 0);
-
- VECTORICONSTROKEFILL;
-#define ARCARROW(rad, ang) \
- x + (rad) * sin((ang) * 2.0 * M_PI), y + (rad) * cos((ang) * 2.0 * M_PI)
-
- cairo_move_to (cr, ARCARROW(r * .30, .72));
- cairo_line_to (cr, ARCARROW(r * .08, .72));
- cairo_line_to (cr, ARCARROW(r * .50, .60));
- cairo_line_to (cr, ARCARROW(r * .73, .72));
- cairo_line_to (cr, ARCARROW(r * .60, .72));
-
- cairo_set_source_rgba (cr, 0, 0, 0, 1.0);
- cairo_stroke_preserve(cr);
- cairo_close_path (cr);
- cairo_set_source_rgba (cr, 1, 1, 1, 1.0);
- cairo_fill(cr);
-#undef ARCARROW
- }
- else if ((_elements & VectorIcon) && _icon == TransportMetronom) {
- const double x = get_width() * .5;
- const double y = get_height() * .5;
- const double wh = std::min(x, y);
- const double h = wh * .8;
- const double w = wh * .5;
- const double lw = w * .25;
-
- cairo_rectangle (cr,
- x - w * .7, y + h * .25,
- w * 1.4, lw);
-
- VECTORICONSTROKEFILL;
-
- cairo_move_to (cr, x - w, y + h);
- cairo_line_to (cr, x + w, y + h);
- cairo_line_to (cr, x + w * .35, y - h);
- cairo_line_to (cr, x - w * .35, y - h);
- cairo_line_to (cr, x - w, y + h);
-
- cairo_move_to (cr, x - w + lw, y + h -lw);
- cairo_line_to (cr, x - w * .35 + lw, y - h + lw);
- cairo_line_to (cr, x + w * .35 - lw, y - h + lw);
- cairo_line_to (cr, x + w - lw, y + h -lw);
- cairo_line_to (cr, x - w + lw, y + h -lw);
-
- VECTORICONSTROKEFILL;
-
- // ddx = .70 w = .75 * .5 wh = .375 wh
- // ddy = .75 h - lw = .75 * .8 wh - wh .5 * .2 = .5 wh
- // ang = (ddx/ddy):
- // -> angle = atan (ang) = atan (375 / .5) ~= 36deg
- const double dx = lw * .2; // 1 - cos(tan^-1(ang))
- const double dy = lw * .4; // 1 - sin(tan^-1(ang))
- cairo_move_to (cr, x - w * .3 , y + h * .25 + lw * .5);
- cairo_line_to (cr, x - w + dx , y - h + lw + dy);
- cairo_line_to (cr, x - w + lw , y - h + lw);
- cairo_line_to (cr, x - w * .3 + lw, y + h * .25 + lw * .5);
- cairo_close_path (cr);
-
- VECTORICONSTROKEFILL;
-
- cairo_rectangle (cr,
- x - w * .7, y + h * .25,
- w * 1.4, lw);
- cairo_fill(cr);
- }
- else if (_elements & VectorIcon) {
- // missing icon
- assert(0);