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/*
* ZamSFZ polyphonic SFZ player
* Copyright (C) 2014 Damien Zammit <damien@zamaudio.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 (at your option) 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.
*/
#include "ZamSFZUI.hpp"
#include "ZamSFZPlugin.hpp"
#include "Window.hpp"
START_NAMESPACE_DISTRHO
// -----------------------------------------------------------------------
ZamSFZUI::ZamSFZUI()
: UI()
{
setSize(ZamSFZArtwork::zamsfzWidth, ZamSFZArtwork::zamsfzHeight);
// background
fImgBackground = Image(ZamSFZArtwork::zamsfzData, ZamSFZArtwork::zamsfzWidth, ZamSFZArtwork::zamsfzHeight, kImageFormatBGR);
// knob
Image knobImage(ZamSFZArtwork::knobData, ZamSFZArtwork::knobWidth, ZamSFZArtwork::knobHeight);
// button
Image loadImage(ZamSFZArtwork::loadData, ZamSFZArtwork::loadWidth, ZamSFZArtwork::loadHeight);
Image loadImagePress(ZamSFZArtwork::loadprData, ZamSFZArtwork::loadprWidth, ZamSFZArtwork::loadprHeight);
Image loadingImage(ZamSFZArtwork::loadingData, ZamSFZArtwork::loadingWidth, ZamSFZArtwork::loadingHeight);
Image emptyImage(ZamSFZArtwork::emptyData, ZamSFZArtwork::emptyWidth, ZamSFZArtwork::emptyHeight);
// knob
fKnobGain = new ZamKnob(this, knobImage);
fKnobGain->setAbsolutePos(189, 24);
fKnobGain->setRange(-30.f, 30.0f);
fKnobGain->setDefault(0.0f);
fKnobGain->setLabel(true);
fKnobGain->setRotationAngle(240);
fKnobGain->setCallback(this);
fButtonLoad = new ImageButton(this, loadImage, loadImage, loadImagePress);
fButtonLoad->setAbsolutePos(35,25);
fButtonLoad->setCallback(this);
fLoading = new ImageSwitch(this, emptyImage, loadingImage);
fLoading->setAbsolutePos(35, 55);
fLoading->setCallback(this);
// set default values
programLoaded(0);
}
// -----------------------------------------------------------------------
// DSP Callbacks
void ZamSFZUI::parameterChanged(uint32_t index, float value)
{
switch (index)
{
case ZamSFZPlugin::paramLoading:
fLoading->setDown(value > 0.5);
break;
case ZamSFZPlugin::paramGain:
fKnobGain->setValue(value);
break;
}
}
void ZamSFZUI::programLoaded(uint32_t index)
{
if (index != 0)
return;
fKnobGain->setValue(0.0f);
fLoading->setDown(false);
}
void ZamSFZUI::stateChanged(const char* key, const char*)
{
if (strcmp(key, "filepath") == 0) {
printf("state changed... do something?\n");
}
}
void ZamSFZUI::uiFileBrowserSelected(const char* filename)
{
// if a file was selected, tell DSP
if (filename != nullptr)
setState("filepath", filename);
}
// -----------------------------------------------------------------------
// Widget Callbacks
void ZamSFZUI::imageKnobDragStarted(ZamKnob* knob)
{
if (knob == fKnobGain)
editParameter(ZamSFZPlugin::paramGain, true);
}
void ZamSFZUI::imageKnobDragFinished(ZamKnob* knob)
{
if (knob == fKnobGain)
editParameter(ZamSFZPlugin::paramGain, false);
}
void ZamSFZUI::imageKnobValueChanged(ZamKnob* knob, float value)
{
if (knob == fKnobGain)
setParameterValue(ZamSFZPlugin::paramGain, value);
}
void ZamSFZUI::imageButtonClicked(ImageButton*, int)
{
FileBrowserOptions opts;
opts.title = "Load SFZ";
//opts.filters = "sfz;";
openFileBrowser(opts);
}
void ZamSFZUI::imageSwitchClicked(ImageSwitch*, bool state)
{
// Hack: unset the toggle
fLoading->setDown(!state);
}
void ZamSFZUI::onDisplay()
{
const GraphicsContext& context(getGraphicsContext());
fImgBackground.draw(context);
}
// -----------------------------------------------------------------------
UI* createUI()
{
return new ZamSFZUI();
}
// -----------------------------------------------------------------------
END_NAMESPACE_DISTRHO
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