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127 lines
4.1 KiB
C++
127 lines
4.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2017 - ROLI Ltd.
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 5 End-User License
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Agreement and JUCE 5 Privacy Policy (both updated and effective as of the
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27th April 2017).
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End User License Agreement: www.juce.com/juce-5-licence
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Privacy Policy: www.juce.com/juce-5-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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#pragma once
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//==============================================================================
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class ItemPreviewComponent : public Component
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{
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public:
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ItemPreviewComponent (const File& f) : file (f)
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{
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setOpaque (true);
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tryToLoadImage();
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}
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void paint (Graphics& g) override
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{
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g.fillAll (findColour (backgroundColourId));
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if (drawable != nullptr)
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{
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Rectangle<float> contentBounds (drawable->getDrawableBounds());
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if (DrawableComposite* dc = dynamic_cast<DrawableComposite*> (drawable.get()))
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{
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Rectangle<float> r (dc->getContentArea().resolve (nullptr));
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if (! r.isEmpty())
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contentBounds = r;
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}
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Rectangle<float> area = RectanglePlacement (RectanglePlacement::centred | RectanglePlacement::onlyReduceInSize)
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.appliedTo (contentBounds, Rectangle<float> (4.0f, 22.0f, getWidth() - 8.0f, getHeight() - 26.0f));
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Path p;
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p.addRectangle (area);
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DropShadow (Colours::black.withAlpha (0.5f), 6, Point<int> (0, 1)).drawForPath (g, p);
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g.fillCheckerBoard (area.getSmallestIntegerContainer(), 24, 24,
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Colour (0xffffffff), Colour (0xffeeeeee));
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drawable->draw (g, 1.0f, RectanglePlacement (RectanglePlacement::stretchToFit)
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.getTransformToFit (contentBounds, area.toFloat()));
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}
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g.setFont (Font (14.0f, Font::bold));
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g.setColour (findColour (defaultTextColourId));
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g.drawMultiLineText (facts.joinIntoString ("\n"), 10, 15, getWidth() - 16);
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}
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private:
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StringArray facts;
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File file;
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ScopedPointer<Drawable> drawable;
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void tryToLoadImage()
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{
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facts.clear();
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facts.add (file.getFullPathName());
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drawable.reset();
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{
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ScopedPointer<InputStream> input (file.createInputStream());
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if (input != nullptr)
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{
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const int64 totalSize = input->getTotalLength();
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String formatName;
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if (ImageFileFormat* format = ImageFileFormat::findImageFormatForStream (*input))
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formatName = " " + format->getFormatName();
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input.reset();
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Image image (ImageCache::getFromFile (file));
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if (image.isValid())
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{
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DrawableImage* d = new DrawableImage();
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d->setImage (image);
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drawable = d;
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facts.add (String (image.getWidth()) + " x " + String (image.getHeight()) + formatName);
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}
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if (totalSize > 0)
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facts.add (File::descriptionOfSizeInBytes (totalSize));
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}
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}
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if (drawable == nullptr)
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{
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ScopedPointer<XmlElement> svg (XmlDocument::parse (file));
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if (svg != nullptr)
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drawable = Drawable::createFromSVG (*svg);
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}
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facts.removeEmptyStrings (true);
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}
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ItemPreviewComponent)
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};
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