started displaying param min/max values

way2coder · Mar 29, 2021 · e552b1a · e552b1a
1 parent 955021e
commit e552b1a
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Showing 2 changed files with 42 additions and 4 deletions.
diff --git a/Source/PluginEditor.cpp b/Source/PluginEditor.cpp
@@ -83,10 +83,10 @@ void RotarySliderWithLabels::paint(juce::Graphics &g)
 
     auto sliderBounds = getSliderBounds();
 
-//    g.setColour(Colours::red);
-//    g.drawRect(getLocalBounds());
-//    g.setColour(Colours::yellow);
-//    g.drawRect(sliderBounds);
+    g.setColour(Colours::red);
+    g.drawRect(getLocalBounds());
+    g.setColour(Colours::yellow);
+    g.drawRect(sliderBounds);
 
     getLookAndFeel().drawRotarySlider(g,
                                       sliderBounds.getX(),
@@ -97,6 +97,33 @@ void RotarySliderWithLabels::paint(juce::Graphics &g)
                                       startAng,
                                       endAng,
                                       *this);
+
+    auto center = sliderBounds.toFloat().getCentre();
+    auto radius = sliderBounds.getWidth() * 0.5f;
+
+    g.setColour(Colour(0u, 172u, 1u));
+    g.setFont(getTextHeight());
+
+    auto numChoices = labels.size();
+    for( int i = 0; i < numChoices; ++i )
+    {
+        auto pos = labels[i].pos;
+        jassert(0.f <= pos);
+        jassert(pos <= 1.f);
+
+        auto ang = jmap(pos, 0.f, 1.f, startAng, endAng);
+
+        auto c = center.getPointOnCircumference(radius + getTextHeight() * 0.5f + 1, ang);
+
+        Rectangle<float> r;
+        auto str = labels[i].label;
+        r.setSize(g.getCurrentFont().getStringWidth(str), getTextHeight());
+        r.setCentre(c);
+        r.setY(r.getY() + getTextHeight());
+
+        g.drawFittedText(str, r.toNearestInt(), juce::Justification::centred, 1);
+    }
+
 }
 
 juce::Rectangle<int> RotarySliderWithLabels::getSliderBounds() const
@@ -292,6 +319,9 @@ highCutSlopeSliderAttachment(audioProcessor.apvts, "HighCut Slope", highCutSlope
     // Make sure that before the constructor has finished, you've set the
     // editor's size to whatever you need it to be.
 
+    peakFreqSlider.labels.add({0.f, "20Hz"});
+    peakFreqSlider.labels.add({1.f, "20kHz"});
+
     for( auto* comp : getComps() )
     {
         addAndMakeVisible(comp);

diff --git a/Source/PluginEditor.h b/Source/PluginEditor.h
@@ -37,6 +37,14 @@ struct RotarySliderWithLabels : juce::Slider
         setLookAndFeel(nullptr);
     }
 
+    struct LabelPos
+    {
+        float pos;
+        juce::String label;
+    };
+
+    juce::Array<LabelPos> labels;
+
     void paint(juce::Graphics& g) override;
     juce::Rectangle<int> getSliderBounds() const;
     int getTextHeight() const { return 14; }