Carla/source/modules/juce_gui_basics/widgets/juce_ImageComponent.h

/*
  ==============================================================================

   This file is part of the JUCE library.
   Copyright (c) 2015 - ROLI 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.

  ==============================================================================
*/

#ifndef JUCE_IMAGECOMPONENT_H_INCLUDED
#define JUCE_IMAGECOMPONENT_H_INCLUDED


//==============================================================================
/**
    A component that simply displays an image.

    Use setImage to give it an image, and it'll display it - simple as that!
*/
class JUCE_API  ImageComponent  : public Component,
                                  public SettableTooltipClient
{
public:
    //==============================================================================
    /** Creates an ImageComponent. */
    ImageComponent (const String& componentName = String::empty);

    /** Destructor. */
    ~ImageComponent();

    //==============================================================================
    /** Sets the image that should be displayed. */
    void setImage (const Image& newImage);

    /** Sets the image that should be displayed, and its placement within the component. */
    void setImage (const Image& newImage,
                   RectanglePlacement placementToUse);

    /** Returns the current image. */
    const Image& getImage() const;

    /** Sets the method of positioning that will be used to fit the image within the component's bounds.
        By default the positioning is centred, and will fit the image inside the component's bounds
        whilst keeping its aspect ratio correct, but you can change it to whatever layout you need.
    */
    void setImagePlacement (RectanglePlacement newPlacement);

    /** Returns the current image placement. */
    RectanglePlacement getImagePlacement() const;

    //==============================================================================
    /** @internal */
    void paint (Graphics&) override;

private:
    Image image;
    RectanglePlacement placement;

    JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ImageComponent)
};


#endif   // JUCE_IMAGECOMPONENT_H_INCLUDED