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85 lines
3 KiB
C++
85 lines
3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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/**
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A component effect that adds a coloured blur around the component's contents.
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(This will only work on non-opaque components).
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@see Component::setComponentEffect, DropShadowEffect
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@tags{Graphics}
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*/
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class JUCE_API GlowEffect : public ImageEffectFilter
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{
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public:
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//==============================================================================
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/** Creates a default 'glow' effect.
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To customise its appearance, use the setGlowProperties() method.
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*/
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GlowEffect();
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/** Destructor. */
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~GlowEffect() override;
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//==============================================================================
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/** Sets the glow's radius and colour.
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The radius is how large the blur should be, and the colour is
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used to render it (for a less intense glow, lower the colour's
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opacity).
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*/
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void setGlowProperties (float newRadius,
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Colour newColour,
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Point<int> offset = {});
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//==============================================================================
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/** @internal */
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void applyEffect (Image&, Graphics&, float scaleFactor, float alpha) override;
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private:
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//==============================================================================
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float radius = 2.0f;
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Colour colour { Colours::white };
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Point<int> offset;
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JUCE_LEAK_DETECTOR (GlowEffect)
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};
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} // namespace juce
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