+ 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(0.8);
+ }
+ 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(0.8);
+ }
+ 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 *.19,
+ wh * 2, yh *.41);
+ VECTORICONSTROKEFILL(0.8);
+
+ cairo_arc (cr, xc, yh *.75, wh, 0, 2 * M_PI);
+ VECTORICONSTROKEFILL(0.8);
+ }
+ 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(1.0);
+ }
+
+ if (_icon == TransportEnd || _icon == TransportRange) {
+ cairo_rectangle (cr,
+ x + wh - ln, y - tri * 1.7,
+ ln * 2, tri * 3.4);
+
+ VECTORICONSTROKEFILL(1.0);
+ }
+
+ 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(1.0);
+ }
+ 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 * .62, 0, 2 * M_PI);
+ cairo_arc_negative (cr, x, y, r * .35, 2 * M_PI, 0);
+
+ VECTORICONSTROKEFILL(1.0);
+#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 * .35, .72));
+ cairo_line_to (cr, ARCARROW(r * .15, .72));
+ cairo_line_to (cr, ARCARROW(r * .56, .60));
+ cairo_line_to (cr, ARCARROW(r * .75, .72));
+ cairo_line_to (cr, ARCARROW(r * .62, .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 * .85;
+ const double w = wh * .55;
+ const double lw = w * .34;
+
+ cairo_rectangle (cr,
+ x - w * .7, y + h * .25,
+ w * 1.4, lw);
+
+ VECTORICONSTROKEFILL(1.0);
+
+ 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(1.0);
+
+ // 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(1.0);
+
+ cairo_rectangle (cr,
+ x - w * .7, y + h * .25,
+ w * 1.4, lw);
+ cairo_fill(cr);
+ }
+ else if (_elements & VectorIcon) {
+ // missing icon
+ assert(0);
+ }
+#undef VECTORICONSTROKEFILL