2 * Copyright (C) 2016 Robin Gareus <robin@gareus.org>
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 #ifndef _WIDGETS_ARDOUR_SPACER_H_
20 #define _WIDGETS_ARDOUR_SPACER_H_
22 #include "gtkmm2ext/cairo_widget.h"
24 #include "widgets/visibility.h"
26 namespace ArdourWidgets {
28 class LIBWIDGETS_API ArdourVSpacer : public CairoWidget
31 ArdourVSpacer (float r = 0.75f);
34 void render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*) {
36 float height = get_height();
38 float h = height * ratio;
39 float t = .5f * (height - h);
40 ctx->rectangle (0, t, 1, h);
41 ctx->set_source_rgb (0, 0, 0);
45 void on_size_request (Gtk::Requisition* req) {
48 CairoWidget::on_size_request (req);
54 class LIBWIDGETS_API ArdourDropShadow : public CairoWidget
57 ArdourDropShadow (float a = 0.75f);
60 void render (Cairo::RefPtr<Cairo::Context> const& ctx, cairo_rectangle_t*) {
61 float width = get_width();
62 float height = get_height();
64 Cairo::RefPtr<Cairo::LinearGradient> _gradient = Cairo::LinearGradient::create (0, 0, 0, height);
65 _gradient->add_color_stop_rgba (0, 0, 0, 0, alpha);
66 _gradient->add_color_stop_rgba (1, 0, 0, 0, 0);
68 ctx->set_source (_gradient);
70 ctx->rectangle (0, 0, width, height);