From 0e6d94e02e754a6448e90fa139221f1f660d8a0d Mon Sep 17 00:00:00 2001
From: Bent Bisballe Nyeng <deva@aasimon.org>
Date: Sun, 13 Mar 2016 17:36:07 +0100
Subject: Initial version of DG plugin with plugingizmo wrapper code. So far
 only for LV2.

---
 plugin/drumgizmo_plugin.h | 160 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 160 insertions(+)
 create mode 100644 plugin/drumgizmo_plugin.h

(limited to 'plugin/drumgizmo_plugin.h')

diff --git a/plugin/drumgizmo_plugin.h b/plugin/drumgizmo_plugin.h
new file mode 100644
index 0000000..868263a
--- /dev/null
+++ b/plugin/drumgizmo_plugin.h
@@ -0,0 +1,160 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            drumgizmo_lv2.h
+ *
+ *  Wed Mar  2 17:31:31 CET 2016
+ *  Copyright 2016 Bent Bisballe Nyeng
+ *  deva@aasimon.org
+ ****************************************************************************/
+
+/*
+ *  This file is part of DrumGizmo.
+ *
+ *  DrumGizmo is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  DrumGizmo is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with DrumGizmo; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
+ */
+#pragma once
+
+#include <memory>
+
+#if defined(X11)
+#include <X11/Xlib.h>
+#endif // defined(X11)
+
+#if defined(WIN32)
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#endif // defined(WIN32)
+
+#ifdef LV2
+#include <pluginlv2.h>
+#endif
+
+#ifdef VST
+#include <pluginvst.h>
+#endif
+
+#include <drumgizmo.h>
+#include <audioinputenginemidi.h>
+#include <audiooutputengine.h>
+#include <plugingui.h>
+
+class DrumGizmoPlugin
+#ifdef LV2
+	: public PluginLV2
+#endif
+#ifdef VST
+	: public PluginVST
+#endif
+{
+public:
+#ifdef VST
+	DrumGizmoPlugin(audioMasterCallback audioMaster);
+#else
+	DrumGizmoPlugin();
+#endif
+
+	void onFreeWheelChange(bool freewheel) override;
+
+	void onFramesizeChange(size_t framesize) override;
+
+	void onSamplerateChange(float samplerate) override;
+
+	void onActiveChange(bool active) override;
+
+	std::string onStateSave() override;
+	void onStateRestore(const std::string& config) override;
+
+	size_t getNumberOfMidiInputs() override;
+	size_t getNumberOfMidiOutputs() override;
+	size_t getNumberOfAudioInputs() override;
+	size_t getNumberOfAudioOutputs() override;
+
+	std::string getId() override;
+
+	void process(size_t pos,
+	             const std::vector<MidiEvent>& input_events,
+	             std::vector<MidiEvent>& output_events,
+	             const std::vector<const float*>& input_samples,
+	             const std::vector<float*>& output_samples,
+	             size_t count) override;
+
+	//
+	// GUI
+	//
+	bool hasGUI() override;
+	void createWindow(void *parent) override;
+	void onDestroyWindow() override;
+	void onShowWindow() override;
+	void onHideWindow() override;
+	void onIdle() override;
+	void resizeWindow(size_t width, size_t height) override;
+	void closeWindow() override;
+
+private:
+	class Input
+		: public AudioInputEngineMidi
+	{
+	public:
+		Input(DrumGizmoPlugin& plugin);
+
+		bool init(Instruments& instruments) override;
+
+		void setParm(std::string parm, std::string value) override;
+
+		bool start() override;
+		void stop() override;
+
+		void pre() override;
+		event_t *run(size_t pos, size_t len, size_t* nevents) override;
+		void post() override;
+
+	protected:
+		DrumGizmoPlugin& plugin;
+		Instruments* instruments{nullptr};
+	};
+
+	class Output
+		: public AudioOutputEngine
+	{
+	public:
+		Output(DrumGizmoPlugin& plugin);
+
+		bool init(Channels channels) override;
+
+		void setParm(std::string parm, std::string value) override;
+
+		bool start() override;
+		void stop() override;
+
+		void pre(size_t nsamples) override;
+		void run(int ch, sample_t *samples, size_t nsamples) override;
+		void post(size_t nsamples) override;
+
+		sample_t *getBuffer(int ch) override;
+		size_t getBufferSize() override;
+
+	protected:
+		DrumGizmoPlugin& plugin;
+	};
+
+	Input input{*this};
+	const std::vector<MidiEvent>* input_events{nullptr};
+
+	Output output{*this};
+	const std::vector<float*>* output_samples{nullptr};
+
+	std::shared_ptr<GUI::PluginGUI> plugin_gui;
+	std::shared_ptr<DrumGizmo> drumgizmo;
+};
-- 
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