1 files changed, 107 insertions, 0 deletions
diff --git a/src/plugins/qmldesigner/components/curveeditor/detail/utils.cpp b/src/plugins/qmldesigner/components/curveeditor/detail/utils.cpp
new file mode 100644
index 0000000000..4933bcbe88
--- /dev/null
+++ b/src/plugins/qmldesigner/components/curveeditor/detail/utils.cpp
@@ -0,0 +1,107 @@
+
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the Qt Design Tooling
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include <QPalette>
+#include <QPointF>
+#include <QRectF>
+#include <QTransform>
+
+namespace DesignTools {
+
+double clamp(double val, double lo, double hi)
+{
+    return val < lo ? lo : (val > hi ? hi : val);
+}
+
+double lerp(double blend, double a, double b)
+{
+    return (1.0 - blend) * a + blend * b;
+}
+
+double scaleX(const QTransform &transform)
+{
+    return transform.m11();
+}
+
+double scaleY(const QTransform &transform)
+{
+    return transform.m22();
+}
+
+void grow(QRectF &rect, const QPointF &point)
+{
+    if (rect.left() > point.x())
+        rect.setLeft(point.x());
+
+    if (rect.right() < point.x())
+        rect.setRight(point.x());
+
+    if (rect.top() > point.y())
+        rect.setTop(point.y());
+
+    if (rect.bottom() < point.y())
+        rect.setBottom(point.y());
+}
+
+QRectF bbox(const QRectF &rect, const QTransform &transform)
+{
+    QRectF out = rect;
+    grow(out, transform.map(rect.topLeft()));
+    grow(out, transform.map(rect.topRight()));
+    grow(out, transform.map(rect.bottomLeft()));
+    grow(out, transform.map(rect.bottomRight()));
+    return out;
+}
+
+QPalette singleColorPalette(const QColor &color)
+{
+    QPalette palette;
+    palette.setColor(QPalette::Window, color);
+    palette.setColor(QPalette::Background, color);
+    palette.setColor(QPalette::WindowText, color);
+    palette.setColor(QPalette::Foreground, color);
+    palette.setColor(QPalette::Base, color);
+    palette.setColor(QPalette::AlternateBase, color);
+    palette.setColor(QPalette::ToolTipBase, color);
+    palette.setColor(QPalette::ToolTipText, color);
+    palette.setColor(QPalette::Text, color);
+
+    palette.setColor(QPalette::Button, color);
+    palette.setColor(QPalette::ButtonText, color);
+    palette.setColor(QPalette::BrightText, color);
+    palette.setColor(QPalette::Light, color);
+    palette.setColor(QPalette::Midlight, color);
+    palette.setColor(QPalette::Dark, color);
+    palette.setColor(QPalette::Mid, color);
+    palette.setColor(QPalette::Shadow, color);
+    palette.setColor(QPalette::Highlight, color);
+    palette.setColor(QPalette::HighlightedText, color);
+    palette.setColor(QPalette::Link, color);
+    palette.setColor(QPalette::LinkVisited, color);
+    return palette;
+}
+
+} // End namespace DesignTools.