Initial commit: imported from https://store.kde.org/p/1100399

Signed-off-by: Mavridis Philippe <[email protected]>

1 files changed, 52 insertions, 0 deletions

diff --git a/src/shadow.h b/src/shadow.h
new file mode 100644
index 0000000..04facb0
--- /dev/null
+++ b/src/shadow.h
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+/* Copyright (C) 2005 Gerd Fleischer <[email protected]>
+ * Copyright (C) 2003 by Sandro Giessl
+ * based on the nice CVS KDesktop KShadowEngine class. thanks!
+ * looking forward to see KShadowEngine in kdefx somewhen btw.. :)
+ * ------------------------------------------------------------------------
+ * these are the original copyright notes:
+ * This file is proposed to be part of the KDE libraries.
+ * Copyright (C) 2003 Laur Ivan <[email protected]>
+ *
+ * Many thanks to:
+ *  - Bernardo Hung <[email protected]> for the enhanced shadow
+ *    algorithm (currently used)
+ *  - Tim Jansen <[email protected]> for the API updates and fixes.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License version 2 as published by the Free Software Foundation.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA  02110-1301  USA.
+ */
+
+#ifndef __FX_SHADOW
+#define __FX_SHADOW
+
+#include <qpixmap.h>
+#include <qimage.h>
+#include <qcolor.h>
+
+class ShadowEngine
+{
+    public:
+        ShadowEngine();
+        ~ShadowEngine();
+        void setThickness(int thickness) { thickness_ = thickness; }
+        void setMultiplicationFactor(float factor) { multiplicationFactor_ = factor; }
+        QImage makeShadow(const QPixmap& textPixmap, const QColor &bgColor);
+    private:
+        float decay(QImage& source, int x, int y);
+
+        int thickness_;
+        float multiplicationFactor_;
+};
+
+#endif