Added range gradient support for MeshPoints

Task-number: QTRD-2701

Change-Id: Id3f096099ef584a6feaaebcbecc084810ec27967
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/src/datavisualization/utils/utils.cpp b/src/datavisualization/utils/utils.cpp
index e0b1370e..be087f91 100644
--- a/src/datavisualization/utils/utils.cpp
+++ b/src/datavisualization/utils/utils.cpp
@@ -138,6 +138,16 @@ QVector3D Utils::getSelection(QPoint mousepos, int height)
     return selectedColor;
 }
 
+QImage Utils::getGradientImage(const QLinearGradient &gradient)
+{
+    QImage image(QSize(1, 101), QImage::Format_RGB32);
+    QPainter pmp(&image);
+    pmp.setBrush(QBrush(gradient));
+    pmp.setPen(Qt::NoPen);
+    pmp.drawRect(0, 0, 1, 101);
+    return image;
+}
+
 Utils::ParamType Utils::mapFormatCharToParamType(const QChar &formatChar)
 {
     ParamType retVal = ParamTypeUnknown;
diff --git a/src/datavisualization/utils/utils_p.h b/src/datavisualization/utils/utils_p.h
index 7288419b..c87ef19a 100644
--- a/src/datavisualization/utils/utils_p.h
+++ b/src/datavisualization/utils/utils_p.h
@@ -37,6 +37,7 @@ class QPainter;
 class QString;
 class QPoint;
 class QImage;
+class QLinearGradient;
 
 QT_BEGIN_NAMESPACE_DATAVISUALIZATION
 
@@ -63,6 +64,7 @@ public:
                                    bool borders = false,
                                    int maxLabelWidth = 0);
     static QVector3D getSelection(QPoint mousepos, int height);
+    static QImage getGradientImage(const QLinearGradient &gradient);
 
     static ParamType findFormatParamType(const QString &format);
     static QString formatLabel(const QByteArray &format, ParamType paramType, float value);