JUCE/modules/juce_gui_basics/widgets/juce_ImageComponent.cpp

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

   This file is part of the JUCE library.
   Copyright (c) 2022 - Raw Material Software Limited

   JUCE is an open source library subject to commercial or open-source
   licensing.

   By using JUCE, you agree to the terms of both the JUCE 7 End-User License
   Agreement and JUCE Privacy Policy.

   End User License Agreement: www.juce.com/juce-7-licence
   Privacy Policy: www.juce.com/juce-privacy-policy

   Or: You may also use this code under the terms of the GPL v3 (see
   www.gnu.org/licenses).

   JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
   EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
   DISCLAIMED.

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

namespace juce
{

ImageComponent::ImageComponent (const String& name)
    : Component (name),
      placement (RectanglePlacement::centred)
{
}

ImageComponent::~ImageComponent()
{
}

void ImageComponent::setImage (const Image& newImage)
{
    if (image != newImage)
    {
        image = newImage;
        repaint();
    }
}

void ImageComponent::setImage (const Image& newImage, RectanglePlacement placementToUse)
{
    if (image != newImage || placement != placementToUse)
    {
        image = newImage;
        placement = placementToUse;
        repaint();
    }
}

void ImageComponent::setImagePlacement (RectanglePlacement newPlacement)
{
    if (placement != newPlacement)
    {
        placement = newPlacement;
        repaint();
    }
}

const Image& ImageComponent::getImage() const
{
    return image;
}

RectanglePlacement ImageComponent::getImagePlacement() const
{
    return placement;
}

void ImageComponent::paint (Graphics& g)
{
    g.setOpacity (1.0f);
    g.drawImage (image, getLocalBounds().toFloat(), placement);
}

//==============================================================================
std::unique_ptr<AccessibilityHandler> ImageComponent::createAccessibilityHandler()
{
    class ImageComponentAccessibilityHandler final : public AccessibilityHandler
    {
    public:
        explicit ImageComponentAccessibilityHandler (ImageComponent& imageComponentToWrap)
            : AccessibilityHandler (imageComponentToWrap, AccessibilityRole::image),
              imageComponent (imageComponentToWrap)
        {
        }

        String getHelp() const override   { return imageComponent.getTooltip(); }

    private:
        ImageComponent& imageComponent;

        //==============================================================================
        JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (ImageComponentAccessibilityHandler)
    };

    return std::make_unique<ImageComponentAccessibilityHandler> (*this);
}

} // namespace juce