403 lines
12 KiB
C++
403 lines
12 KiB
C++
/*
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Copyright (C) 2006-2011 Nasca Octavian Paul
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Author: Nasca Octavian Paul
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Copyright (C) 2017 Xenakios
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License
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as published by the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License (version 2) for more details.
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You should have received a copy of the GNU General Public License (version 2)
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "envelope_component.h"
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EnvelopeComponent::EnvelopeComponent(CriticalSection* cs) : m_cs(cs)
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{
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OnEnvelopeEdited = [](breakpoint_envelope*) {};
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setWantsKeyboardFocus(true);
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ValueFromNormalized = [](double x) { return x; };
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TimeFromNormalized = [](double x) { return x; };
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addChildComponent(&m_bubble);
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setOpaque(true);
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}
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EnvelopeComponent::~EnvelopeComponent()
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{
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}
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void EnvelopeComponent::show_bubble(int x, int y, const envelope_node& node)
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{
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double scaledtime = TimeFromNormalized(node.Time);
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double scaledvalue = ValueFromNormalized(node.Value);
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x -= 50;
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if (x < 0)
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x = 0;
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if (x + 100 > getWidth())
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x = getWidth() - 100;
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if (y < 0)
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y = 0;
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if (y + 20 > getHeight())
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y = getHeight() - 20;
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AttributedString temp(String::formatted("%.2f %.2f", scaledtime, scaledvalue));
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temp.setColour(Colours::white);
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m_bubble.showAt({ x,y,100,20 }, temp , 5000);
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}
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void EnvelopeComponent::paint(Graphics& g)
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{
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if (!EnvelopeUnderlayDraw)
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{
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g.fillAll(Colours::black);
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g.setColour(Colours::white.darker());
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juce::Rectangle<int> rect(0, 0, getWidth(), getHeight());
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g.setFont(15.0);
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}
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else
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{
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g.saveState();
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EnvelopeUnderlayDraw(this, g);
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g.restoreState();
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}
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if (m_envelope == nullptr)
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{
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g.drawText("No envelope set", 10, 10, getWidth(), getHeight(), Justification::centred);
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return;
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}
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if (m_envelope.unique() == true)
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{
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g.drawText("Envelope is orphaned (may be a bug)", 10, 10, getWidth(), getHeight(), Justification::centred);
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return;
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}
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for (int i = 0; i < 10; ++i)
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{
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double norm = 1.0 / 10 * i;
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double hz = TimeFromNormalized(norm);
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int xcor = getWidth() / 10 * i;
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g.drawText(String(hz, 1), xcor, getHeight() - 20, 100, 20, Justification::topLeft);
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}
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String name = m_name;
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if (name.isEmpty() == true)
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name = "Untitled envelope";
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g.drawText(name, 10, 10, getWidth(), getHeight(), Justification::topLeft);
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const float linethickness = 1.0f;
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for (int i = 0; i < m_envelope->GetNumNodes(); ++i)
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{
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const envelope_node& pt = m_envelope->GetNodeAtIndex(i);
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double xcor = jmap(pt.Time, m_view_start_time, m_view_end_time, 0.0, (double)getWidth());
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double ycor = (double)getHeight()-jmap(pt.Value, m_view_start_value, m_view_end_value, 0.0,(double)getHeight());
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g.setColour(Colours::white);
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if (pt.Status==0)
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g.drawRect((float)xcor - 4.0f, (float)ycor - 4.0f, 8.0f, 8.0f, 1.0f);
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else g.fillRect((float)xcor - 4.0f, (float)ycor - 4.0f, 8.0f, 8.0f);
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m_envelope->resamplePointToLinearSegments(i,0.0, 1.0, 0.0, 1.0, [&g,linethickness,this](double pt_x0, double pt_y0, double pt_x1, double pt_y1)
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{
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double foo_x0 = jmap<double>(pt_x0, m_view_start_time, m_view_end_time, 0.0, getWidth());
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double foo_x1 = jmap<double>(pt_x1, m_view_start_time, m_view_end_time, 0.0, getWidth());
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double foo_y0 = (double)getHeight() - jmap<double>(pt_y0, m_view_start_value, m_view_end_value, 0.0, getHeight());
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double foo_y1 = (double)getHeight() - jmap<double>(pt_y1, m_view_start_value, m_view_end_value, 0.0, getHeight());
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g.setColour(m_env_color);
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g.drawLine((float)foo_x0, (float)foo_y0, (float)foo_x1, (float)foo_y1, linethickness);
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//g.setColour(Colours::white);
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//g.drawLine(foo_x0, foo_y0 - 8.0, foo_x0, foo_y0 + 8.0, 1.0);
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}, [this](double xdiff)
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{
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return std::max((int)(xdiff*getWidth() / 16), 8);
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});
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/*
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envelope_node pt1;
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if (i + 1 < m_envelope->GetNumNodes())
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{
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g.setColour(m_env_color);
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pt1 = m_envelope->GetNodeAtIndex(i + 1);
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double xcor1 = jmap(pt1.Time, m_view_start_time, m_view_end_time, 0.0, (double)getWidth());
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double ycor1 = (double)getHeight() - jmap(pt1.Value, m_view_start_value, m_view_end_value, 0.0, (double)getHeight());
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g.drawLine((float)xcor, (float)ycor, (float)xcor1, (float)ycor1, linethickness);
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}
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if (i == 0 && pt.Time >= 0.0)
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{
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g.setColour(m_env_color);
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g.drawLine(0.0f, (float)ycor, (float)xcor, float(ycor), linethickness);
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}
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if (i == m_envelope->GetNumNodes()-1 && pt.Time < 1.0)
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{
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g.setColour(m_env_color);
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g.drawLine((float)xcor, (float)ycor, (float)getWidth(), float(ycor), linethickness);
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}
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*/
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}
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#ifdef ENVELOPEDRAWDERIVATIVE
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g.setColour(Colours::green);
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//double prevderiv = derivative([this](double xx) { return m_envelope->GetInterpolatedNodeValue(xx); }, 0.0);
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for (int i = 0; i < getWidth()/8; ++i)
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{
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double x = 1.0 / getWidth()*(i*8);
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double derv = derivative([this](double xx) { return m_envelope->GetInterpolatedNodeValue(xx); }, x);
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double y = getHeight()-jmap<double>(derv, -10.0, 10.0, 0.0, getHeight());
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g.fillEllipse(i*8, y, 5.0f, 5.0f);
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}
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#endif
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}
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void EnvelopeComponent::changeListenerCallback(ChangeBroadcaster*)
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{
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repaint();
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}
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void EnvelopeComponent::timerCallback(int)
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{
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}
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void EnvelopeComponent::set_envelope(std::shared_ptr<breakpoint_envelope> env, String name)
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{
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m_envelope = env;
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m_name = name;
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repaint();
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}
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void EnvelopeComponent::mouseDrag(const MouseEvent& ev)
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{
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if (m_envelope == nullptr)
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return;
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if (m_segment_drag_info.first >= 0 && ev.mods.isAltDown())
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{
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double dist = jmap<double>(ev.getDistanceFromDragStartX(), -300.0, 300.0, -1.0, 1.0);
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m_envelope->performRelativeTransformation([dist, this](int index, envelope_node& point)
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{
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if (index == m_segment_drag_info.first)
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{
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point.ShapeParam1 += dist;
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m_segment_drag_info.second = true;
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}
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});
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repaint();
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return;
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}
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if (m_segment_drag_info.first >= 0)
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{
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double dist = jmap<double>(ev.getDistanceFromDragStartY(), -getHeight(), getHeight(), -1.0, 1.0);
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m_envelope->adjustEnvelopeSegmentValues(m_segment_drag_info.first, -dist);
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repaint();
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return;
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}
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if (m_node_to_drag >= 0)
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{
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//Logger::writeToLog("trying to move pt " + String(m_node_to_drag));
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envelope_node& pt = m_envelope->GetNodeAtIndex(m_node_to_drag);
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double left_bound = m_view_start_time;
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double right_bound = m_view_end_time;
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if (m_node_to_drag > 0 )
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{
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left_bound = m_envelope->GetNodeAtIndex(m_node_to_drag - 1).Time;
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}
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if (m_node_to_drag < m_envelope->GetNumNodes() - 1)
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{
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right_bound = m_envelope->GetNodeAtIndex(m_node_to_drag + 1).Time;
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}
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double normx = jmap((double)ev.x, 0.0, (double)getWidth(), m_view_start_time, m_view_end_time);
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double normy = jmap((double)getHeight() - ev.y, 0.0, (double)getHeight(), m_view_start_value, m_view_end_value);
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pt.Time=jlimit(left_bound+0.001, right_bound - 0.001, normx);
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pt.Value=jlimit(0.0,1.0,normy);
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m_last_tip = String(pt.Time, 2) + " " + String(pt.Value, 2);
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show_bubble(ev.x, ev.y, pt);
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m_node_that_was_dragged = m_node_to_drag;
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repaint();
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return;
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}
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}
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void EnvelopeComponent::mouseMove(const MouseEvent & ev)
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{
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if (m_envelope == nullptr)
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return;
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m_node_to_drag = find_hot_envelope_point(ev.x, ev.y);
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if (m_node_to_drag >= 0)
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{
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if (m_mouse_down == false)
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{
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show_bubble(ev.x, ev.y, m_envelope->GetNodeAtIndex(m_node_to_drag));
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setMouseCursor(MouseCursor::PointingHandCursor);
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}
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}
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else
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{
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setMouseCursor(MouseCursor::NormalCursor);
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m_bubble.setVisible(false);
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}
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}
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void EnvelopeComponent::mouseDown(const MouseEvent & ev)
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{
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if (m_envelope == nullptr)
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return;
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if (ev.mods.isRightButtonDown() == true)
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{
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PopupMenu menu;
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menu.addItem(1, "Reset");
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menu.addItem(2, "Invert");
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int r = menu.show();
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if (r == 1)
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{
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m_cs->enter();
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m_envelope->ResetEnvelope();
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m_cs->exit();
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}
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if (r == 2)
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{
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for (int i = 0; i < m_envelope->GetNumNodes(); ++i)
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{
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double val = 1.0 - m_envelope->GetNodeAtIndex(i).Value;
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m_envelope->GetNodeAtIndex(i).Value = val;
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}
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}
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repaint();
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return;
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}
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m_node_to_drag = find_hot_envelope_point(ev.x, ev.y);
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m_mouse_down = true;
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m_segment_drag_info = { findHotEnvelopeSegment(ev.x, ev.y, true),false };
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if (m_segment_drag_info.first >= 0)
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{
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m_envelope->beginRelativeTransformation();
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return;
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}
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if (m_node_to_drag >= 0 && ev.mods.isAltDown() == true)
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{
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if (m_envelope->GetNumNodes() < 2)
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{
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m_bubble.showAt({ ev.x,ev.y, 0,0 }, AttributedString("Can't remove last node"), 3000, false, false);
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return;
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}
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m_cs->enter();
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m_envelope->DeleteNode(m_node_to_drag);
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m_cs->exit();
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m_node_to_drag = -1;
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OnEnvelopeEdited(m_envelope.get());
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repaint();
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return;
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}
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if (m_node_to_drag >= 0 && ev.mods.isShiftDown()==true)
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{
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int oldstatus = m_envelope->GetNodeAtIndex(m_node_to_drag).Status;
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if (oldstatus==0)
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m_envelope->GetNodeAtIndex(m_node_to_drag).Status=1;
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else m_envelope->GetNodeAtIndex(m_node_to_drag).Status=0;
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repaint();
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return;
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}
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if (m_node_to_drag == -1)
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{
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double normx = jmap((double)ev.x, 0.0, (double)getWidth(), m_view_start_time, m_view_end_time);
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double normy = jmap((double)getHeight() - ev.y, 0.0, (double)getHeight(), m_view_start_value, m_view_end_value);
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m_cs->enter();
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m_envelope->AddNode ({ normx,normy, 0.5});
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m_envelope->SortNodes();
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m_cs->exit();
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m_mouse_down = false;
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OnEnvelopeEdited(m_envelope.get());
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repaint();
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}
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}
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void EnvelopeComponent::mouseUp(const MouseEvent &ev)
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{
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if (ev.mods == ModifierKeys::noModifiers)
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m_bubble.setVisible(false);
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if (m_node_that_was_dragged >= 0 || m_segment_drag_info.second==true)
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{
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OnEnvelopeEdited(m_envelope.get());
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}
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m_mouse_down = false;
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m_node_that_was_dragged = -1;
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m_node_to_drag = -1;
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if (m_segment_drag_info.second == true)
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{
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m_segment_drag_info = { -1,false };
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m_envelope->endRelativeTransformation();
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}
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}
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bool EnvelopeComponent::keyPressed(const KeyPress & ev)
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{
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if (ev == KeyPress::deleteKey && m_envelope!=nullptr)
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{
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m_node_to_drag = -1;
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//m_envelope->ClearAllNodes();
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m_cs->enter();
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m_envelope->removePointsConditionally([](const envelope_node& pt) { return pt.Status == 1; });
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if (m_envelope->GetNumNodes()==0)
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m_envelope->AddNode({ 0.0,0.5 });
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m_cs->exit();
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repaint();
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OnEnvelopeEdited(m_envelope.get());
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return true;
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}
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return false;
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}
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int EnvelopeComponent::find_hot_envelope_point(double xcor, double ycor)
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{
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if (m_envelope == nullptr)
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return -1;
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for (int i = 0; i < m_envelope->GetNumNodes(); ++i)
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{
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const envelope_node& pt = m_envelope->GetNodeAtIndex(i);
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double ptxcor = jmap(pt.Time, m_view_start_time, m_view_end_time, 0.0, (double)getWidth());
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double ptycor = (double)getHeight() - jmap(pt.Value, m_view_start_value, m_view_end_value, 0.0, (double)getHeight());
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juce::Rectangle<double> target(ptxcor - 4.0, ptycor - 4.0, 8.0, 8.0);
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if (target.contains(xcor, ycor) == true)
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{
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return i;
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}
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}
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return -1;
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}
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int EnvelopeComponent::findHotEnvelopeSegment(double xcor, double ycor, bool detectsegment)
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{
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if (m_envelope == nullptr)
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return -1;
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for (int i = 0; i < m_envelope->GetNumNodes()-1; ++i)
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{
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const envelope_node& pt0 = m_envelope->GetNodeAtIndex(i);
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const envelope_node& pt1 = m_envelope->GetNodeAtIndex(i+1);
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float xcor0 = (float)jmap<double>(pt0.Time, m_view_start_time, m_view_end_time, 0.0, getWidth());
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float xcor1 = (float)jmap<double>(pt1.Time, m_view_start_time, m_view_end_time, 0.0, getWidth());
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float segwidth = xcor1 - xcor0;
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juce::Rectangle<float> segrect(xcor0+8.0f, 0.0f, segwidth-16.0f, (float)getHeight());
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if (segrect.contains((float)xcor, (float)ycor))
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{
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if (detectsegment == false)
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return i;
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else
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{
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double normx = jmap<double>(xcor, 0.0, getWidth(), m_view_start_time, m_view_end_time);
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double yval = m_envelope->GetInterpolatedNodeValue(normx);
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float ycor0 = (float)(getHeight()-jmap<double>(yval, 0.0, 1.0, 0.0, getHeight()));
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juce::Rectangle<float> segrect2((float)(xcor - 20), (float)(ycor - 20), 40, 40);
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if (segrect2.contains((float)xcor, ycor0))
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return i;
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}
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}
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}
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return -1;
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}
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