Add Kars plugin; Fix build

source/native-plugins/Makefile

@@ -98,6 +98,7 @@ OBJS += \
 OBJS += \
 	$(OBJDIR)/distrho-3bandeq.cpp.o \
 	$(OBJDIR)/distrho-3bandsplitter.cpp.o \
+	$(OBJDIR)/distrho-kars.cpp.o \
 	$(OBJDIR)/distrho-mverb.cpp.o \
 	$(OBJDIR)/distrho-nekobi.cpp.o \
 	$(OBJDIR)/distrho-pingpongpan.cpp.o
@@ -281,6 +282,11 @@ $(OBJDIR)/distrho-3bandsplitter.cpp.o: distrho-3bandsplitter.cpp
 	@echo "Compiling $<"
 	@$(CXX) $< $(BUILD_CXX_FLAGS) -DDISTRHO_NAMESPACE=DISTRHO_3BandSplitter -Idistrho-3bandsplitter -I$(CWD)/modules/dgl -Wno-effc++ -c -o $@
 
+$(OBJDIR)/distrho-kars.cpp.o: distrho-kars.cpp
+	-@mkdir -p $(OBJDIR)
+	@echo "Compiling $<"
+	@$(CXX) $< $(BUILD_CXX_FLAGS) -DDISTRHO_NAMESPACE=DISTRHO_Kars -Idistrho-kars -I$(CWD)/modules/dgl -Wno-effc++ -c -o $@
+
 $(OBJDIR)/distrho-mverb.cpp.o: distrho-mverb.cpp
 	-@mkdir -p $(OBJDIR)
 	# FIXME - fix mverb strict warnings

source/native-plugins/_all.c

@@ -43,6 +43,7 @@ extern void carla_register_native_plugin_carla(void);
 // DISTRHO plugins
 extern void carla_register_native_plugin_distrho_3bandeq(void);
 extern void carla_register_native_plugin_distrho_3bandsplitter(void);
+extern void carla_register_native_plugin_distrho_kars(void);
 extern void carla_register_native_plugin_distrho_mverb(void);
 extern void carla_register_native_plugin_distrho_nekobi(void);
 extern void carla_register_native_plugin_distrho_pingpongpan(void);
@@ -96,6 +97,7 @@ void carla_register_all_native_plugins(void)
     // DISTRHO Plugins
     carla_register_native_plugin_distrho_3bandeq();
     carla_register_native_plugin_distrho_3bandsplitter();
+    carla_register_native_plugin_distrho_kars();
     carla_register_native_plugin_distrho_mverb();
     carla_register_native_plugin_distrho_nekobi();
     carla_register_native_plugin_distrho_pingpongpan();

source/native-plugins/_data.cpp

@@ -387,6 +387,31 @@ static const NativePluginDescriptor sNativePluginDescriptors[] = {
     /* copyright */ "LGPL",
     DESCFUNCS
 },
+{
+    /* category  */ NATIVE_PLUGIN_CATEGORY_SYNTH,
+#ifdef HAVE_DGL
+    /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
+                                                  |NATIVE_PLUGIN_IS_SYNTH
+                                                  |NATIVE_PLUGIN_HAS_UI
+                                                  |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD
+                                                  |NATIVE_PLUGIN_USES_PARENT_ID),
+#else
+    /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
+                                                  |NATIVE_PLUGIN_IS_SYNTH),
+#endif
+    /* supports  */ NATIVE_PLUGIN_SUPPORTS_NOTHING,
+    /* audioIns  */ 0,
+    /* audioOuts */ 1,
+    /* midiIns   */ 1,
+    /* midiOuts  */ 0,
+    /* paramIns  */ 1,
+    /* paramOuts */ 0,
+    /* name      */ "Kars",
+    /* label     */ "kars",
+    /* maker     */ "falkTX, Chris Cannam",
+    /* copyright */ "ISC",
+    DESCFUNCS
+},
 {
     /* category  */ NATIVE_PLUGIN_CATEGORY_DELAY,
 #ifdef HAVE_DGL

source/native-plugins/distrho-kars.cpp

@@ -0,0 +1,84 @@
+/*
+ * Carla Native Plugins
+ * Copyright (C) 2012-2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * This program 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 any later version.
+ *
+ * This program 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.
+ *
+ * For a full copy of the GNU General Public License see the doc/GPL.txt file.
+ */
+
+// config fix
+#include "distrho-kars/DistrhoPluginInfo.h"
+
+#if DISTRHO_PLUGIN_HAS_UI && ! defined(HAVE_DGL)
+# undef DISTRHO_PLUGIN_HAS_UI
+# define DISTRHO_PLUGIN_HAS_UI 0
+#endif
+
+// Plugin Code
+#include "distrho-kars/DistrhoArtworkKars.cpp"
+#include "distrho-kars/DistrhoPluginKars.cpp"
+#ifdef HAVE_DGL
+#include "distrho-kars/DistrhoUIKars.cpp"
+#endif
+
+// DISTRHO Code
+#define DISTRHO_PLUGIN_TARGET_CARLA
+#include "DistrhoPluginMain.cpp"
+#ifdef HAVE_DGL
+#include "DistrhoUIMain.cpp"
+#endif
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+static const NativePluginDescriptor karsDesc = {
+    /* category  */ NATIVE_PLUGIN_CATEGORY_SYNTH,
+#ifdef HAVE_DGL
+    /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
+                                                  |NATIVE_PLUGIN_IS_SYNTH
+                                                  |NATIVE_PLUGIN_HAS_UI
+                                                  |NATIVE_PLUGIN_NEEDS_UI_MAIN_THREAD
+                                                  |NATIVE_PLUGIN_USES_PARENT_ID),
+#else
+    /* hints     */ static_cast<NativePluginHints>(NATIVE_PLUGIN_IS_RTSAFE
+                                                  |NATIVE_PLUGIN_IS_SYNTH),
+#endif
+    /* supports  */ NATIVE_PLUGIN_SUPPORTS_NOTHING,
+    /* audioIns  */ DISTRHO_PLUGIN_NUM_INPUTS,
+    /* audioOuts */ DISTRHO_PLUGIN_NUM_OUTPUTS,
+    /* midiIns   */ 1,
+    /* midiOuts  */ 0,
+    /* paramIns  */ DistrhoPluginKars::paramCount,
+    /* paramOuts */ 0,
+    /* name      */ DISTRHO_PLUGIN_NAME,
+    /* label     */ "kars",
+    /* maker     */ "falkTX, Chris Cannam",
+    /* copyright */ "ISC",
+    PluginDescriptorFILL(PluginCarla)
+};
+
+END_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+CARLA_EXPORT
+void carla_register_native_plugin_distrho_kars();
+
+CARLA_EXPORT
+void carla_register_native_plugin_distrho_kars()
+{
+    USE_NAMESPACE_DISTRHO
+    carla_register_native_plugin(&karsDesc);
+}
+
+// -----------------------------------------------------------------------

source/native-plugins/distrho-kars/DistrhoArtworkKars.hpp

@@ -0,0 +1,20 @@
+/* (Auto-generated binary data file). */
+
+#ifndef BINARY_DISTRHOARTWORKKARS_HPP
+#define BINARY_DISTRHOARTWORKKARS_HPP
+
+namespace DistrhoArtworkKars
+{
+    extern const char* backgroundData;
+    const unsigned int backgroundDataSize = 379260;
+    const unsigned int backgroundWidth    = 301;
+    const unsigned int backgroundHeight   = 315;
+
+    extern const char* switchData;
+    const unsigned int switchDataSize = 61952;
+    const unsigned int switchWidth    = 88;
+    const unsigned int switchHeight   = 176;
+}
+
+#endif // BINARY_DISTRHOARTWORKKARS_HPP
+

source/native-plugins/distrho-kars/DistrhoPluginInfo.h

@@ -0,0 +1,31 @@
+/*
+ * DISTRHO Kars Plugin, based on karplong by Chris Cannam.
+ * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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.
+ */
+
+#ifndef DISTRHO_PLUGIN_INFO_H_INCLUDED
+#define DISTRHO_PLUGIN_INFO_H_INCLUDED
+
+#define DISTRHO_PLUGIN_BRAND "DISTRHO"
+#define DISTRHO_PLUGIN_NAME  "Kars"
+#define DISTRHO_PLUGIN_URI   "http://distrho.sf.net/plugins/Kars"
+
+#define DISTRHO_PLUGIN_HAS_UI        1
+#define DISTRHO_PLUGIN_IS_RT_SAFE    1
+#define DISTRHO_PLUGIN_IS_SYNTH      1
+#define DISTRHO_PLUGIN_NUM_INPUTS    0
+#define DISTRHO_PLUGIN_NUM_OUTPUTS   1
+#define DISTRHO_PLUGIN_USES_MODGUI   1
+
+#endif // DISTRHO_PLUGIN_INFO_H_INCLUDED

source/native-plugins/distrho-kars/DistrhoPluginKars.cpp

@@ -0,0 +1,214 @@
+/*
+ * DISTRHO Kars Plugin, based on karplong by Chris Cannam.
+ * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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.
+ */
+
+#include "DistrhoPluginKars.hpp"
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+DistrhoPluginKars::DistrhoPluginKars()
+    : Plugin(paramCount, 0, 0), // 0 programs, 0 states
+      fSustain(false),
+      fSampleRate(getSampleRate()),
+      fBlockStart(0)
+{
+    for (int i=kMaxNotes; --i >= 0;)
+    {
+        fNotes[i].index = i;
+        fNotes[i].setSampleRate(fSampleRate);
+    }
+}
+
+// -----------------------------------------------------------------------
+// Init
+
+void DistrhoPluginKars::initParameter(uint32_t index, Parameter& parameter)
+{
+    if (index != 0)
+        return;
+
+    parameter.hints      = kParameterIsAutomable|kParameterIsBoolean;
+    parameter.name       = "Sustain";
+    parameter.symbol     = "sustain";
+    parameter.ranges.def = 0.0f;
+    parameter.ranges.min = 0.0f;
+    parameter.ranges.max = 1.0f;
+}
+
+// -----------------------------------------------------------------------
+// Internal data
+
+float DistrhoPluginKars::getParameterValue(uint32_t index) const
+{
+    if (index != 0)
+        return 0.0f;
+
+    return fSustain ? 1.0f : 0.0f;
+}
+
+void DistrhoPluginKars::setParameterValue(uint32_t index, float value)
+{
+    if (index != 0)
+        return;
+
+    fSustain = value > 0.5f;
+}
+
+// -----------------------------------------------------------------------
+// Process
+
+void DistrhoPluginKars::activate()
+{
+    fBlockStart = 0;
+
+    for (int i=kMaxNotes; --i >= 0;)
+    {
+        fNotes[i].on  = kNoteNull;
+        fNotes[i].off = kNoteNull;
+        fNotes[i].velocity = 0;
+    }
+}
+
+void DistrhoPluginKars::run(const float**, float** outputs, uint32_t frames, const MidiEvent* midiEvents, uint32_t midiEventCount)
+{
+    uint8_t note, velo;
+    float* out = outputs[0];
+
+    for (uint32_t count, pos=0, curEventIndex=0; pos<frames;)
+    {
+        for (;curEventIndex < midiEventCount && pos >= midiEvents[curEventIndex].frame; ++curEventIndex)
+        {
+            if (midiEvents[curEventIndex].size > MidiEvent::kDataSize)
+                continue;
+
+            const uint8_t*  data = midiEvents[curEventIndex].data;
+            const uint8_t status = data[0] & 0xF0;
+
+            switch (status)
+            {
+            case 0x90:
+                note = data[1];
+                velo = data[2];
+                DISTRHO_SAFE_ASSERT_BREAK(note < 128); // kMaxNotes
+                if (velo > 0)
+                {
+                    fNotes[note].on  = fBlockStart + midiEvents[curEventIndex].frame;
+                    fNotes[note].off = kNoteNull;
+                    fNotes[note].velocity = velo;
+                    break;
+                }
+                // nobreak
+            case 0x80:
+                note = data[1];
+                DISTRHO_SAFE_ASSERT_BREAK(note < 128); // kMaxNotes
+                fNotes[note].off = fBlockStart + midiEvents[curEventIndex].frame;
+                break;
+            }
+        }
+
+        if (curEventIndex < midiEventCount && midiEvents[curEventIndex].frame < frames)
+            count = midiEvents[curEventIndex].frame - pos;
+        else
+            count = frames - pos;
+
+        std::memset(out+pos, 0, sizeof(float)*count);
+        //for (uint32_t i=0; i<count; ++i)
+        //    out[pos + i] = 0.0f;
+
+        for (int i=kMaxNotes; --i >= 0;)
+        {
+            if (fNotes[i].on != kNoteNull)
+                addSamples(out, i, pos, count);
+        }
+
+        pos += count;
+    }
+
+    fBlockStart += frames;
+}
+
+void DistrhoPluginKars::addSamples(float* out, int voice, uint32_t offset, uint32_t count)
+{
+    const uint32_t start = fBlockStart + offset;
+
+    Note& note(fNotes[voice]);
+
+    if (start < note.on)
+        return;
+
+    if (start == note.on)
+    {
+        for (int i=note.sizei; --i >= 0;)
+            note.wavetable[i] = (float(rand()) / float(RAND_MAX)) * 2.0f - 1.0f;
+    }
+
+    const float vgain = float(note.velocity) / 127.0f;
+
+    bool decay;
+    float gain, sample;
+    uint32_t index, size;
+
+    for (uint32_t i=0, s=start-note.on; i<count; ++i, ++s)
+    {
+        gain = vgain;
+
+        if ((! fSustain) && note.off != kNoteNull && note.off < i+start)
+        {
+            // reuse index and size to save some performance.
+            // actual values are release and dist
+            index = 1 + uint32_t(0.01 * fSampleRate); // release, not index
+            size   = i + start - note.off;            // dist, not size
+
+            if (size > index)
+            {
+                note.on = kNoteNull;
+                break;
+            }
+
+            gain = gain * float(index - size) / float(index);
+        }
+
+        size  = uint32_t(note.sizei);
+        decay = s > size;
+        index = s % size;
+
+        sample = note.wavetable[index];
+
+        if (decay)
+        {
+            if (index == 0)
+                sample += note.wavetable[size-1];
+            else
+                sample += note.wavetable[index-1];
+
+            note.wavetable[index] = sample/2;
+        }
+
+        out[offset+i] += gain * sample;
+    }
+}
+
+// -----------------------------------------------------------------------
+
+Plugin* createPlugin()
+{
+    return new DistrhoPluginKars();
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO

source/native-plugins/distrho-kars/DistrhoPluginKars.hpp

@@ -0,0 +1,152 @@
+/*
+ * DISTRHO Kars Plugin, based on karplong by Chris Cannam.
+ * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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.
+ */
+
+#ifndef DISTRHO_PLUGIN_KARS_HPP_INCLUDED
+#define DISTRHO_PLUGIN_KARS_HPP_INCLUDED
+
+#include "DistrhoPlugin.hpp"
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+class DistrhoPluginKars : public Plugin
+{
+public:
+    static const int      kMaxNotes = 128;
+    static const uint32_t kNoteNull = (uint32_t)-1;
+
+    enum Parameters
+    {
+        paramSustain = 0,
+        paramCount
+    };
+
+    DistrhoPluginKars();
+
+protected:
+    // -------------------------------------------------------------------
+    // Information
+
+    const char* getLabel() const noexcept override
+    {
+        return "Kars";
+    }
+
+    const char* getDescription() const override
+    {
+        return "Simple karplus-strong plucked string synth.";
+    }
+
+    const char* getMaker() const noexcept override
+    {
+        return "falkTX";
+    }
+
+    const char* getHomePage() const override
+    {
+        return "https://github.com/DISTRHO/Kars";
+    }
+
+    const char* getLicense() const noexcept override
+    {
+        return "ISC";
+    }
+
+    uint32_t getVersion() const noexcept override
+    {
+        return d_version(1, 0, 0);
+    }
+
+    int64_t getUniqueId() const noexcept override
+    {
+        return d_cconst('D', 'K', 'r', 's');
+    }
+
+    // -------------------------------------------------------------------
+    // Init
+
+    void initParameter(uint32_t index, Parameter& parameter) override;
+
+    // -------------------------------------------------------------------
+    // Internal data
+
+    float getParameterValue(uint32_t index) const override;
+    void  setParameterValue(uint32_t index, float value) override;
+
+    // -------------------------------------------------------------------
+    // Process
+
+    void activate() override;
+    void run(const float**, float** outputs, uint32_t frames, const MidiEvent* midiEvents, uint32_t midiEventCount) override;
+
+    // -------------------------------------------------------------------
+
+private:
+    bool     fSustain;
+    double   fSampleRate;
+    uint32_t fBlockStart;
+
+    struct Note {
+        uint32_t on;
+        uint32_t off;
+        uint8_t  velocity;
+        float   index;
+        float   size;
+        int     sizei;
+        float*  wavetable;
+
+        Note() noexcept
+          : on(kNoteNull),
+            off(kNoteNull),
+            velocity(0),
+            index(0.0f),
+            size(0.0f),
+            wavetable(nullptr) {}
+
+        ~Note() noexcept
+        {
+            if (wavetable != nullptr)
+            {
+                delete[] wavetable;
+                wavetable = nullptr;
+            }
+        }
+
+        void setSampleRate(const double sampleRate)
+        {
+            if (wavetable != nullptr)
+                delete[] wavetable;
+
+            const float frequency = 440.0f * std::pow(2.0f, (index - 69.0f) / 12.0f);
+            size  = sampleRate / frequency;
+            sizei = int(size)+1;
+            wavetable = new float[sizei];
+            std::memset(wavetable, 0, sizeof(float)*static_cast<size_t>(sizei));
+        }
+
+    } fNotes[kMaxNotes];
+
+    void addSamples(float* out, int voice, uint32_t offset, uint32_t count);
+
+    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DistrhoPluginKars)
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO
+
+#endif  // DISTRHO_PLUGIN_KARS_HPP_INCLUDED

source/native-plugins/distrho-kars/DistrhoUIKars.cpp

@@ -0,0 +1,77 @@
+/*
+ * DISTRHO Kars Plugin, based on karplong by Chris Cannam.
+ * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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.
+ */
+
+#include "DistrhoPluginKars.hpp"
+#include "DistrhoUIKars.hpp"
+
+START_NAMESPACE_DISTRHO
+
+namespace Art = DistrhoArtworkKars;
+
+// -----------------------------------------------------------------------
+
+DistrhoUIKars::DistrhoUIKars()
+    : UI(Art::backgroundWidth, Art::backgroundHeight),
+      fImgBackground(Art::backgroundData, Art::backgroundWidth, Art::backgroundHeight)
+{
+    // sustain switch
+    Image switchImageNormal(Art::switchData, Art::switchWidth, Art::switchHeight/2);
+    Image switchImageDown(Art::switchData+(Art::switchWidth*Art::switchHeight/2*4), Art::switchWidth, Art::switchHeight/2);
+    fSwitchSustain = new ImageSwitch(this, switchImageNormal, switchImageDown);
+    fSwitchSustain->setAbsolutePos(Art::backgroundWidth/2-Art::switchWidth/2, Art::backgroundHeight/2-Art::switchHeight/4);
+    fSwitchSustain->setId(DistrhoPluginKars::paramSustain);
+    fSwitchSustain->setCallback(this);
+}
+
+// -----------------------------------------------------------------------
+// DSP Callbacks
+
+void DistrhoUIKars::parameterChanged(uint32_t index, float value)
+{
+    if (index != 0)
+        return;
+
+    fSwitchSustain->setDown(value > 0.5f);
+}
+
+// -----------------------------------------------------------------------
+// Widget Callbacks
+
+void DistrhoUIKars::imageSwitchClicked(ImageSwitch* imageSwitch, bool down)
+{
+    if (imageSwitch != fSwitchSustain)
+        return;
+
+    editParameter(DistrhoPluginKars::paramSustain, true);
+    setParameterValue(DistrhoPluginKars::paramSustain, down ? 1.0f : 0.0f);
+    editParameter(DistrhoPluginKars::paramSustain, false);
+}
+
+void DistrhoUIKars::onDisplay()
+{
+    fImgBackground.draw();
+}
+
+// -----------------------------------------------------------------------
+
+UI* createUI()
+{
+    return new DistrhoUIKars();
+}
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO

source/native-plugins/distrho-kars/DistrhoUIKars.hpp

@@ -0,0 +1,60 @@
+/*
+ * DISTRHO Kars Plugin, based on karplong by Chris Cannam.
+ * Copyright (C) 2015 Filipe Coelho <falktx@falktx.com>
+ *
+ * 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.
+ */
+
+#ifndef DISTRHO_UI_KARS_HPP_INCLUDED
+#define DISTRHO_UI_KARS_HPP_INCLUDED
+
+#include "DistrhoUI.hpp"
+
+#include "ImageWidgets.hpp"
+
+#include "DistrhoArtworkKars.hpp"
+
+START_NAMESPACE_DISTRHO
+
+// -----------------------------------------------------------------------
+
+class DistrhoUIKars : public UI,
+                      public ImageSwitch::Callback
+{
+public:
+    DistrhoUIKars();
+
+protected:
+    // -------------------------------------------------------------------
+    // DSP Callbacks
+
+    void parameterChanged(uint32_t index, float value) override;
+
+    // -------------------------------------------------------------------
+    // Widget Callbacks
+
+    void imageSwitchClicked(ImageSwitch* imageSwitch, bool down) override;
+
+    void onDisplay() override;
+
+private:
+    Image fImgBackground;
+    ScopedPointer<ImageSwitch> fSwitchSustain;
+
+    DISTRHO_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR(DistrhoUIKars)
+};
+
+// -----------------------------------------------------------------------
+
+END_NAMESPACE_DISTRHO
+
+#endif // DISTRHO_UI_KARS_HPP_INCLUDED

source/native-plugins/distrho-mverb.cpp

@@ -29,7 +29,6 @@
 #include "distrho-mverb/DistrhoPluginMVerb.cpp"
 #if DISTRHO_PLUGIN_HAS_UI
 #include "distrho-mverb/DistrhoUIMVerb.cpp"
-#include "distrho-mverb/font/Kh-Kangrey.cpp"
 #endif
 
 // DISTRHO Code