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83 lines
3.1 KiB
C++
83 lines
3.1 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online 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.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_DROPSHADOWER_JUCEHEADER__
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#define __JUCE_DROPSHADOWER_JUCEHEADER__
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#include "../components/juce_Component.h"
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//==============================================================================
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/**
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Adds a drop-shadow to a component.
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This object creates and manages a set of components which sit around a
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component, creating a gaussian shadow around it. The components will track
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the position of the component and if it's brought to the front they'll also
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follow this.
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For desktop windows you don't need to use this class directly - just
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set the Component::windowHasDropShadow flag when calling
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Component::addToDesktop(), and the system will create one of these if it's
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needed (which it obviously isn't on the Mac, for example).
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*/
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class JUCE_API DropShadower : private ComponentListener
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{
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public:
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//==============================================================================
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/** Creates a DropShadower. */
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DropShadower (const DropShadow& shadowType);
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/** Destructor. */
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~DropShadower();
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/** Attaches the DropShadower to the component you want to shadow. */
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void setOwner (Component* componentToFollow);
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private:
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//==============================================================================
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class ShadowWindow;
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Component* owner;
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OwnedArray<Component> shadowWindows;
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Image shadowImageSections[12];
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DropShadow shadow;
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bool reentrant;
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void componentMovedOrResized (Component&, bool, bool);
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void componentBroughtToFront (Component&);
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void componentParentHierarchyChanged (Component&);
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void componentVisibilityChanged (Component&);
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void updateShadows();
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void setShadowImage (const Image&, int num, int w, int h, int sx, int sy);
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void bringShadowWindowsToFront();
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (DropShadower);
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};
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#endif // __JUCE_DROPSHADOWER_JUCEHEADER__
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