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_graphics/native/juce_mac_IconHelpers.cpp

@@ -0,0 +1,141 @@
+/*
+  ==============================================================================
+
+   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
+{
+
+extern Image JUCE_API getIconFromApplication (const String&, int);
+
+static Image getIconFromIcnsFile (const File& icnsFile, const int size)
+{
+    FileInputStream stream (icnsFile);
+
+    if (! stream.openedOk())
+        return {};
+
+    const int numHeaderSectionBytes = 4;
+    char headerSection [numHeaderSectionBytes];
+
+    if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes
+          || headerSection[0] != 'i'
+          || headerSection[1] != 'c'
+          || headerSection[2] != 'n'
+          || headerSection[3] != 's')
+        return {};
+
+    if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes)
+        return {};
+
+    const auto dataSize = juce::ByteOrder::bigEndianInt (headerSection);
+
+    if (dataSize <= 0)
+        return {};
+
+    OwnedArray<juce::ImageFileFormat> internalFormats;
+    internalFormats.add (new  PNGImageFormat());
+    internalFormats.add (new JPEGImageFormat());
+
+    Array<Image> images;
+    auto maxWidth = 0;
+    auto maxWidthIndex = -1;
+
+    while (stream.getPosition() < dataSize)
+    {
+        const auto sectionStart = stream.getPosition();
+
+        if (! stream.setPosition (sectionStart + 4))
+            break;
+
+        if (stream.read (headerSection, numHeaderSectionBytes) != numHeaderSectionBytes)
+            break;
+
+        const auto sectionSize = ByteOrder::bigEndianInt (headerSection);
+
+        if (sectionSize <= 0)
+            break;
+
+        const auto sectionDataStart = stream.getPosition();
+
+        for (auto* fmt : internalFormats)
+        {
+            if (fmt->canUnderstand (stream))
+            {
+                stream.setPosition (sectionDataStart);
+
+                images.add (fmt->decodeImage (stream));
+
+                const auto lastImageIndex = images.size() - 1;
+                const auto lastWidth = images.getReference (lastImageIndex).getWidth();
+
+                if (lastWidth > maxWidth)
+                {
+                    maxWidthIndex = lastImageIndex;
+                    maxWidth = lastWidth;
+                }
+            }
+
+            stream.setPosition (sectionDataStart);
+        }
+
+        stream.setPosition (sectionStart + sectionSize);
+    }
+
+    return maxWidthIndex == -1 ? juce::Image()
+                               : images.getReference (maxWidthIndex).rescaled (size, size, Graphics::ResamplingQuality::highResamplingQuality);
+}
+
+Image JUCE_API getIconFromApplication (const String& applicationPath, const int size)
+{
+    if (auto pathCFString = CFUniquePtr<CFStringRef> (CFStringCreateWithCString (kCFAllocatorDefault, applicationPath.toRawUTF8(), kCFStringEncodingUTF8)))
+    {
+        if (auto url = CFUniquePtr<CFURLRef> (CFURLCreateWithFileSystemPath (kCFAllocatorDefault, pathCFString.get(), kCFURLPOSIXPathStyle, 1)))
+        {
+            if (auto appBundle = CFUniquePtr<CFBundleRef> (CFBundleCreate (kCFAllocatorDefault, url.get())))
+            {
+                if (CFTypeRef infoValue = CFBundleGetValueForInfoDictionaryKey (appBundle.get(), CFSTR("CFBundleIconFile")))
+                {
+                    if (CFGetTypeID (infoValue) == CFStringGetTypeID())
+                    {
+                        CFStringRef iconFilename = reinterpret_cast<CFStringRef> (infoValue);
+                        CFStringRef resourceURLSuffix = CFStringHasSuffix (iconFilename, CFSTR(".icns")) ? nullptr : CFSTR("icns");
+
+                        if (auto iconURL = CFUniquePtr<CFURLRef> (CFBundleCopyResourceURL (appBundle.get(), iconFilename, resourceURLSuffix, nullptr)))
+                        {
+                            if (auto iconPath = CFUniquePtr<CFStringRef> (CFURLCopyFileSystemPath (iconURL.get(), kCFURLPOSIXPathStyle)))
+                            {
+                                File icnsFile (CFStringGetCStringPtr (iconPath.get(), CFStringGetSystemEncoding()));
+                                return getIconFromIcnsFile (icnsFile, size);
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+
+    return {};
+}
+
+} // namespace juce