git subrepo clone --branch=sono6good https://github.com/essej/JUCE.git deps/juce

subrepo:
  subdir:   "deps/juce"
  merged:   "b13f9084e"
upstream:
  origin:   "https://github.com/essej/JUCE.git"
  branch:   "sono6good"
  commit:   "b13f9084e"
git-subrepo:
  version:  "0.4.3"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "2f68596"

deps/juce/modules/juce_gui_basics/buttons/juce_ImageButton.cpp

@@ -0,0 +1,208 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2020 - 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 6 End-User License
+   Agreement and JUCE Privacy Policy (both effective as of the 16th June 2020).
+
+   End User License Agreement: www.juce.com/juce-6-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
+{
+
+ImageButton::ImageButton (const String& text_)
+    : Button (text_),
+      scaleImageToFit (true),
+      preserveProportions (true),
+      alphaThreshold (0)
+{
+}
+
+ImageButton::~ImageButton()
+{
+}
+
+void ImageButton::setImages (const bool resizeButtonNowToFitThisImage,
+                             const bool rescaleImagesWhenButtonSizeChanges,
+                             const bool preserveImageProportions,
+                             const Image& normalImage_,
+                             const float imageOpacityWhenNormal,
+                             Colour overlayColourWhenNormal,
+                             const Image& overImage_,
+                             const float imageOpacityWhenOver,
+                             Colour overlayColourWhenOver,
+                             const Image& downImage_,
+                             const float imageOpacityWhenDown,
+                             Colour overlayColourWhenDown,
+                             const float hitTestAlphaThreshold)
+{
+    normalImage = normalImage_;
+    overImage = overImage_;
+    downImage = downImage_;
+
+    if (resizeButtonNowToFitThisImage && normalImage.isValid())
+    {
+        imageBounds.setSize (normalImage.getWidth(),
+                             normalImage.getHeight());
+
+        setSize (imageBounds.getWidth(), imageBounds.getHeight());
+    }
+
+    scaleImageToFit = rescaleImagesWhenButtonSizeChanges;
+    preserveProportions = preserveImageProportions;
+
+    normalOpacity = imageOpacityWhenNormal;
+    normalOverlay = overlayColourWhenNormal;
+    overOpacity   = imageOpacityWhenOver;
+    overOverlay   = overlayColourWhenOver;
+    downOpacity   = imageOpacityWhenDown;
+    downOverlay   = overlayColourWhenDown;
+
+    alphaThreshold = (uint8) jlimit (0, 0xff, roundToInt (255.0f * hitTestAlphaThreshold));
+
+    repaint();
+}
+
+void ImageButton::setHitTestAlphaThreshold(float thresh)
+{
+    alphaThreshold = (uint8) jlimit (0, 0xff, roundToInt (255.0f * thresh));
+}
+
+float ImageButton::getHitTestAlphaThreshold() const
+{
+    return alphaThreshold / 255.0f;
+}
+
+Image ImageButton::getCurrentImage() const
+{
+    if (isDown() || getToggleState())
+        return getDownImage();
+
+    if (isOver())
+        return getOverImage();
+
+    return getNormalImage();
+}
+
+Image ImageButton::getNormalImage() const
+{
+    return normalImage;
+}
+
+Image ImageButton::getOverImage() const
+{
+    return overImage.isValid() ? overImage
+                               : normalImage;
+}
+
+Image ImageButton::getDownImage() const
+{
+    return downImage.isValid() ? downImage
+                               : getOverImage();
+}
+
+void ImageButton::paintButton (Graphics& g,
+                               bool shouldDrawButtonAsHighlighted,
+                               bool shouldDrawButtonAsDown)
+{
+    if (! isEnabled())
+    {
+        shouldDrawButtonAsHighlighted = false;
+        shouldDrawButtonAsDown = false;
+    }
+
+    Image im (getCurrentImage());
+
+    if (im.isValid())
+    {
+        const int iw = im.getWidth();
+        const int ih = im.getHeight();
+        int w = getWidth();
+        int h = getHeight();
+        int x = (w - iw) / 2;
+        int y = (h - ih) / 2;
+
+        if (scaleImageToFit)
+        {
+            if (preserveProportions)
+            {
+                int newW, newH;
+                const float imRatio = (float) ih / (float) iw;
+                const float destRatio = (float) h / (float) w;
+
+                if (imRatio > destRatio)
+                {
+                    newW = roundToInt ((float) h / imRatio);
+                    newH = h;
+                }
+                else
+                {
+                    newW = w;
+                    newH = roundToInt ((float) w * imRatio);
+                }
+
+                x = (w - newW) / 2;
+                y = (h - newH) / 2;
+                w = newW;
+                h = newH;
+            }
+            else
+            {
+                x = 0;
+                y = 0;
+            }
+        }
+
+        if (! scaleImageToFit)
+        {
+            w = iw;
+            h = ih;
+        }
+
+        imageBounds.setBounds (x, y, w, h);
+
+        const bool useDownImage = shouldDrawButtonAsDown || getToggleState();
+
+        getLookAndFeel().drawImageButton (g, &im, x, y, w, h,
+                                          useDownImage ? downOverlay
+                                                       : (shouldDrawButtonAsHighlighted ? overOverlay
+                                                                            : normalOverlay),
+                                          useDownImage ? downOpacity
+                                                       : (shouldDrawButtonAsHighlighted ? overOpacity
+                                                                            : normalOpacity),
+                                          *this);
+    }
+}
+
+bool ImageButton::hitTest (int x, int y)
+{
+    if (! Component::hitTest (x, y)) // handle setInterceptsMouseClicks
+        return false;
+
+    if (alphaThreshold == 0)
+        return true;
+
+    Image im (getCurrentImage());
+
+    return im.isNull() || ((! imageBounds.isEmpty())
+                            && alphaThreshold < im.getPixelAt (((x - imageBounds.getX()) * im.getWidth()) / imageBounds.getWidth(),
+                                                               ((y - imageBounds.getY()) * im.getHeight()) / imageBounds.getHeight()).getAlpha());
+}
+
+} // namespace juce