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Added an offset to GlowEffect

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This commit is contained in:
jules 2017-06-19 11:31:03 +01:00
parent d7197f8f42
commit 433a82edee
2 changed files with 12 additions and 18 deletions
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19
modules/juce_graphics/effects/juce_GlowEffect.cpp
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@ -24,21 +24,14 @@
==============================================================================
*/
GlowEffect::GlowEffect()
: radius (2.0f),
colour (Colours::white)
{
}
GlowEffect::GlowEffect() {}
GlowEffect::~GlowEffect() {}
GlowEffect::~GlowEffect()
{
}
void GlowEffect::setGlowProperties (const float newRadius,
Colour newColour)
void GlowEffect::setGlowProperties (float newRadius, Colour newColour, Point<int> pos)
{
radius = newRadius;
colour = newColour;
offset = pos;
}
void GlowEffect::applyEffect (Image& image, Graphics& g, float scaleFactor, float alpha)
@ -53,8 +46,8 @@ void GlowEffect::applyEffect (Image& image, Graphics& g, float scaleFactor, floa
blurKernel.applyToImage (temp, image, image.getBounds());
g.setColour (colour.withMultipliedAlpha (alpha));
g.drawImageAt (temp, 0, 0, true);
g.drawImageAt (temp, offset.x, offset.y, true);
g.setOpacity (alpha);
g.drawImageAt (image, 0, 0, false);
g.drawImageAt (image, offset.x, offset.y, false);
}

11
modules/juce_graphics/effects/juce_GlowEffect.h
View file

@ -40,7 +40,6 @@ class JUCE_API GlowEffect : public ImageEffectFilter
public:
//==============================================================================
/** Creates a default 'glow' effect.
To customise its appearance, use the setGlowProperties() method.
*/
GlowEffect();
@ -56,17 +55,19 @@ public:
opacity).
*/
void setGlowProperties (float newRadius,
Colour newColour);
Colour newColour,
Point<int> offset = {});
//==============================================================================
/** @internal */
void applyEffect (Image& sourceImage, Graphics& destContext, float scaleFactor, float alpha) override;
void applyEffect (Image&, Graphics&, float scaleFactor, float alpha) override;
private:
//==============================================================================
float radius;
Colour colour;
float radius = 2.0f;
Colour colour { Colours::white };
Point<int> offset;
JUCE_LEAK_DETECTOR (GlowEffect)
};