mirror of
https://github.com/juce-framework/JUCE.git
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133 lines
4.4 KiB
C++
133 lines
4.4 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2015 - ROLI Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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#ifndef JUCER_FILEPREVIEWCOMPONENT_H_INCLUDED
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#define JUCER_FILEPREVIEWCOMPONENT_H_INCLUDED
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#include "../Utility/jucer_ProjucerLookAndFeel.h"
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//==============================================================================
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/**
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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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ProjucerLookAndFeel::fillWithBackgroundTexture (*this, g);
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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 (mainBackgroundColourId).contrasting());
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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 = nullptr;
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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 = nullptr;
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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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#endif // JUCER_FILEPREVIEWCOMPONENT_H_INCLUDED
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