- added JUCE library code

git-svn-id: http://moon:8086/svn/software/trunk/projects/FsTrack@357 b431acfa-c32f-4a4a-93f1-934dc6c82436
2018-06-12 16:53:56 +00:00
parent fd05a8501a
commit 88f2f0e9aa
755 changed files with 269502 additions and 0 deletions
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+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software Ltd.
+
+   Permission is granted to use this software under the terms of either:
+   a) the GPL v2 (or any later version)
+   b) the Affero GPL v3
+
+   Details of these licenses can be found at: www.gnu.org/licenses
+
+   JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
+   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+   A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+   ------------------------------------------------------------------------------
+
+   To release a closed-source product which uses JUCE, commercial licenses are
+   available: visit www.juce.com for more information.
+
+  ==============================================================================
+*/
+
+struct DefaultImageFormats
+{
+    static ImageFileFormat** get()
+    {
+        static DefaultImageFormats formats;
+        return formats.formats;
+    }
+
+private:
+    DefaultImageFormats() noexcept
+    {
+        formats[0] = &png;
+        formats[1] = &jpg;
+        formats[2] = &gif;
+        formats[3] = nullptr;
+    }
+
+    PNGImageFormat  png;
+    JPEGImageFormat jpg;
+    GIFImageFormat  gif;
+
+    ImageFileFormat* formats[4];
+};
+
+ImageFileFormat* ImageFileFormat::findImageFormatForStream (InputStream& input)
+{
+    const int64 streamPos = input.getPosition();
+
+    for (ImageFileFormat** i = DefaultImageFormats::get(); *i != nullptr; ++i)
+    {
+        const bool found = (*i)->canUnderstand (input);
+        input.setPosition (streamPos);
+
+        if (found)
+            return *i;
+    }
+
+    return nullptr;
+}
+
+ImageFileFormat* ImageFileFormat::findImageFormatForFileExtension (const File& file)
+{
+    for (ImageFileFormat** i = DefaultImageFormats::get(); *i != nullptr; ++i)
+        if ((*i)->usesFileExtension (file))
+            return *i;
+
+    return nullptr;
+}
+
+//==============================================================================
+Image ImageFileFormat::loadFrom (InputStream& input)
+{
+    ImageFileFormat* const format = findImageFormatForStream (input);
+
+    if (format != nullptr)
+        return format->decodeImage (input);
+
+    return Image::null;
+}
+
+Image ImageFileFormat::loadFrom (const File& file)
+{
+    FileInputStream stream (file);
+
+    if (stream.openedOk())
+    {
+        BufferedInputStream b (stream, 8192);
+        return loadFrom (b);
+    }
+
+    return Image::null;
+}
+
+Image ImageFileFormat::loadFrom (const void* rawData, const size_t numBytes)
+{
+    if (rawData != nullptr && numBytes > 4)
+    {
+        MemoryInputStream stream (rawData, numBytes, false);
+        return loadFrom (stream);
+    }
+
+    return Image::null;
+}