juce_ArrowButton.cpp

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 /*
  ==============================================================================
 
   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited
 
   JUCE is an open source library subject to commercial or open-source
   licensing.
 
   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.
 
   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy
 
   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).
 
   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.
 
  ==============================================================================
*/
 
namespace juce
{
 
ArrowButton::ArrowButton (const String& name, float arrowDirectionInRadians, Colour arrowColour)
   : Button (name), colour (arrowColour)
{
    path.addTriangle (0.0f, 0.0f, 0.0f, 1.0f, 1.0f, 0.5f);
    path.applyTransform (AffineTransform::rotation (MathConstants<float>::twoPi * arrowDirectionInRadians, 0.5f, 0.5f));
}
 
ArrowButton::~ArrowButton() {}
 
void ArrowButton::paintButton (Graphics& g, bool /*shouldDrawButtonAsHighlighted*/, bool shouldDrawButtonAsDown)
{
    Path p (path);
 
    const float offset = shouldDrawButtonAsDown ? 1.0f : 0.0f;
    p.applyTransform (path.getTransformToScaleToFit (offset, offset, (float) getWidth() - 3.0f, (float) getHeight() - 3.0f, false));
 
    DropShadow (Colours::black.withAlpha (0.3f), shouldDrawButtonAsDown ? 2 : 4, Point<int>()).drawForPath (g, p);
 
    g.setColour (colour);
    g.fillPath (p);
}
 
} // namespace juce