/* * DISTRHO Plugin Framework (DPF) * Copyright (C) 2019-2021 Jean Pierre Cimalando * Copyright (C) 2012-2023 Filipe Coelho * * Permission to use, copy, modify, and/or distribute this software for any purpose with * or without fee is hereby granted, provided that the above copyright notice and this * permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD * TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #pragma once #include "Cairo.hpp" START_NAMESPACE_DGL // ----------------------------------------------------------------------- static constexpr const char banner[] = " " " * * * * * " " ** ** * * * * " " * * * * * * * " " * * * **** *** * **** * * ** **** * *** " " * * * * ** * * * * * * ** * " " * * ***** * * ****** * * * * * * * " " * * * * * * * * * * * * * * " " * * * ** * ** * * * * * * * * * * " " * * *** * *** * **** ** ** ***** ** * * " " " " " " " " ***** **** ***** " " * * * * * " " * * * * * " " * * * * * " " * * **** **** " " * * * * " " * * * * " " * * * * " " ***** * * " " "; enum { rows = 23, columns = 72, }; class DemoWidgetBanner : public CairoSubWidget { public: explicit DemoWidgetBanner(SubWidget* const parent) : CairoSubWidget(parent) {} explicit DemoWidgetBanner(TopLevelWidget* const parent) : CairoSubWidget(parent) {} protected: void onCairoDisplay(const CairoGraphicsContext& context) override { cairo_t* const cr = context.handle; Size sz = getSize(); int w = sz.getWidth(); int h = sz.getHeight(); const double diameter = (double)w / columns; const double radius = 0.5 * diameter; const double xoff = 0; const double yoff = 0.5 * (h - rows * diameter); for (int r = 0; r < rows; ++r) { for (int c = 0; c < columns; ++c) { double cx = xoff + radius + c * diameter; double cy = yoff + radius + r * diameter; char ch = banner[c + r * columns]; if (ch != ' ') cairo_set_source_rgb(cr, 0.5, 0.9, 0.2); else cairo_set_source_rgb(cr, 0.5, 0.5, 0.5); cairo_save(cr); cairo_translate(cr, cx, cy); cairo_scale(cr, radius, radius); cairo_arc(cr, 0.0, 0.0, 1.0, 0.0, 2 * M_PI); cairo_restore(cr); cairo_fill(cr); } } } }; // ----------------------------------------------------------------------- END_NAMESPACE_DGL