- clean working copy for leaving SVN

2022-06-28 19:04:46 +02:00
parent 62a2d47cb3
commit 762b8f0e7d
1966 changed files with 699872 additions and 126 deletions
@@ -0,0 +1,58 @@
+/*
+  ==============================================================================
+
+   This file is part of the JUCE library.
+   Copyright (c) 2013 - Raw Material Software 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.
+
+  ==============================================================================
+*/
+
+GlowEffect::GlowEffect()
+  : radius (2.0f),
+    colour (Colours::white)
+{
+}
+
+GlowEffect::~GlowEffect()
+{
+}
+
+void GlowEffect::setGlowProperties (const float newRadius,
+                                    Colour newColour)
+{
+    radius = newRadius;
+    colour = newColour;
+}
+
+void GlowEffect::applyEffect (Image& image, Graphics& g, float scaleFactor, float alpha)
+{
+    Image temp (image.getFormat(), image.getWidth(), image.getHeight(), true);
+
+    ImageConvolutionKernel blurKernel (roundToInt (radius * scaleFactor * 2.0f));
+
+    blurKernel.createGaussianBlur (radius);
+    blurKernel.rescaleAllValues (radius);
+
+    blurKernel.applyToImage (temp, image, image.getBounds());
+
+    g.setColour (colour.withMultipliedAlpha (alpha));
+    g.drawImageAt (temp, 0, 0, true);
+
+    g.setOpacity (alpha);
+    g.drawImageAt (image, 0, 0, false);
+}