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/filebrowser/juce_ImagePreviewComponent.cpp

@@ -0,0 +1,126 @@
+/*
+  ==============================================================================
+
+   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
+{
+
+ImagePreviewComponent::ImagePreviewComponent()
+{
+}
+
+ImagePreviewComponent::~ImagePreviewComponent()
+{
+}
+
+//==============================================================================
+void ImagePreviewComponent::getThumbSize (int& w, int& h) const
+{
+    auto availableW = proportionOfWidth (0.97f);
+    auto availableH = getHeight() - 13 * 4;
+
+    auto scale = jmin (1.0,
+                       availableW / (double) w,
+                       availableH / (double) h);
+
+    w = roundToInt (scale * w);
+    h = roundToInt (scale * h);
+}
+
+void ImagePreviewComponent::selectedFileChanged (const File& file)
+{
+    if (fileToLoad != file)
+    {
+        fileToLoad = file;
+        startTimer (100);
+    }
+}
+
+void ImagePreviewComponent::timerCallback()
+{
+    stopTimer();
+
+    currentThumbnail = Image();
+    currentDetails.clear();
+    repaint();
+
+    FileInputStream in (fileToLoad);
+
+    if (in.openedOk() && fileToLoad.existsAsFile())
+    {
+        if (auto format = ImageFileFormat::findImageFormatForStream (in))
+        {
+            currentThumbnail = format->decodeImage (in);
+
+            if (currentThumbnail.isValid())
+            {
+                auto w = currentThumbnail.getWidth();
+                auto h = currentThumbnail.getHeight();
+
+                currentDetails
+                    << fileToLoad.getFileName() << "\n"
+                    << format->getFormatName() << "\n"
+                    << w << " x " << h << " pixels\n"
+                    << File::descriptionOfSizeInBytes (fileToLoad.getSize());
+
+                getThumbSize (w, h);
+
+                currentThumbnail = currentThumbnail.rescaled (w, h);
+            }
+        }
+    }
+}
+
+void ImagePreviewComponent::paint (Graphics& g)
+{
+    if (currentThumbnail.isValid())
+    {
+        g.setFont (13.0f);
+
+        auto w = currentThumbnail.getWidth();
+        auto h = currentThumbnail.getHeight();
+        getThumbSize (w, h);
+
+        const int numLines = 4;
+        auto totalH = 13 * numLines + h + 4;
+        auto y = (getHeight() - totalH) / 2;
+
+        g.drawImageWithin (currentThumbnail,
+                           (getWidth() - w) / 2, y, w, h,
+                           RectanglePlacement::centred | RectanglePlacement::onlyReduceInSize,
+                           false);
+
+        g.drawFittedText (currentDetails,
+                          0, y + h + 4, getWidth(), 100,
+                          Justification::centredTop, numLines);
+    }
+}
+
+//==============================================================================
+std::unique_ptr<AccessibilityHandler> ImagePreviewComponent::createAccessibilityHandler()
+{
+    return std::make_unique<AccessibilityHandler> (*this, AccessibilityRole::image);
+}
+
+} // namespace juce