From 841b9705f10c9dc9a5b3c60da4a590863e18e5b4 Mon Sep 17 00:00:00 2001
From: David Robillard <d@drobilla.net>
Date: Fri, 3 Apr 2020 19:23:19 +0200
Subject: Rewrite C++ bindings

---
 examples/pugl_cxx_demo.cpp | 141 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 examples/pugl_cxx_demo.cpp

(limited to 'examples/pugl_cxx_demo.cpp')

diff --git a/examples/pugl_cxx_demo.cpp b/examples/pugl_cxx_demo.cpp
new file mode 100644
index 0000000..8a2dc31
--- /dev/null
+++ b/examples/pugl_cxx_demo.cpp
@@ -0,0 +1,141 @@
+/*
+  Copyright 2012-2020 David Robillard <http://drobilla.net>
+
+  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.
+
+  THIS 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.
+*/
+
+/**
+   @file pugl_cxx_demo.cpp A simple demo of the Pugl C++ API.
+*/
+
+#include "cube_view.h"
+#include "demo_utils.h"
+#include "test/test_utils.h"
+
+#include "pugl/gl.h"
+#include "pugl/pugl.h"
+#include "pugl/pugl.hpp"
+#include "pugl/pugl.ipp"
+#include "pugl/pugl_gl.hpp"
+
+#include <cmath>
+
+class CubeView : public pugl::View
+{
+public:
+	explicit CubeView(pugl::World& world)
+	    : pugl::View{world}
+	{}
+
+	pugl::Status onConfigure(const pugl::ConfigureEvent& event) override;
+	pugl::Status onUpdate(const pugl::UpdateEvent& event) override;
+	pugl::Status onExpose(const pugl::ExposeEvent& event) override;
+	pugl::Status onKeyPress(const pugl::KeyPressEvent& event) override;
+	pugl::Status onClose(const pugl::CloseEvent& event) override;
+
+	bool quit() const { return _quit; }
+
+private:
+	double _xAngle{0.0};
+	double _yAngle{0.0};
+	double _lastDrawTime{0.0};
+	bool   _quit{false};
+};
+
+pugl::Status
+CubeView::onConfigure(const pugl::ConfigureEvent& event)
+{
+	reshapeCube(static_cast<float>(event.width),
+	            static_cast<float>(event.height));
+
+	return pugl::Status::success;
+}
+
+pugl::Status
+CubeView::onUpdate(const pugl::UpdateEvent&)
+{
+	return postRedisplay();
+}
+
+pugl::Status
+CubeView::onExpose(const pugl::ExposeEvent&)
+{
+	const double thisTime = world().time();
+	const double dTime    = thisTime - _lastDrawTime;
+	const double dAngle   = dTime * 100.0;
+
+	_xAngle = fmod(_xAngle + dAngle, 360.0);
+	_yAngle = fmod(_yAngle + dAngle, 360.0);
+	displayCube(cobj(),
+	            8.0f,
+	            static_cast<float>(_xAngle),
+	            static_cast<float>(_yAngle),
+	            false);
+
+	_lastDrawTime = thisTime;
+
+	return pugl::Status::success;
+}
+
+pugl::Status
+CubeView::onKeyPress(const pugl::KeyPressEvent& event)
+{
+	if (event.key == PUGL_KEY_ESCAPE || event.key == 'q') {
+		_quit = true;
+	}
+
+	return pugl::Status::success;
+}
+
+pugl::Status
+CubeView::onClose(const pugl::CloseEvent&)
+{
+	_quit = true;
+
+	return pugl::Status::success;
+}
+
+int
+main(int argc, char** argv)
+{
+	const PuglTestOptions opts = puglParseTestOptions(&argc, &argv);
+
+	pugl::World    world{pugl::WorldType::program};
+	CubeView       view{world};
+	PuglFpsPrinter fpsPrinter{};
+
+	world.setClassName("PuglCppTest");
+
+	view.setWindowTitle("Pugl C++ Test");
+	view.setFrame({0, 0, 512, 512});
+	view.setMinSize(64, 64);
+	view.setAspectRatio(1, 1, 16, 9);
+	view.setBackend(pugl::glBackend());
+	view.setHint(pugl::ViewHint::resizable, opts.resizable);
+	view.setHint(pugl::ViewHint::samples, opts.samples);
+	view.setHint(pugl::ViewHint::doubleBuffer, opts.doubleBuffer);
+	view.setHint(pugl::ViewHint::swapInterval, opts.doubleBuffer);
+	view.setHint(pugl::ViewHint::ignoreKeyRepeat, opts.ignoreKeyRepeat);
+	view.realize();
+	view.showWindow();
+
+	unsigned framesDrawn = 0;
+	while (!view.quit()) {
+		world.update(0.0);
+
+		++framesDrawn;
+		puglPrintFps(world.cobj(), &fpsPrinter, &framesDrawn);
+	}
+
+	return 0;
+}
-- 
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