Changeset 104425 in vbox for trunk/src/VBox/Frontends/VirtualBox

Timestamp:

Apr 24, 2024 2:50:50 PM (10 months ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

162924

Message:

FE/Qt. bugref:9510. A bit better translucency for the area graph.

File:

• trunk/src/VBox/Frontends/VirtualBox/src/activity/vmactivity/UIVMActivityMonitor.cpp (modified) (4 diffs)

trunk/src/VBox/Frontends/VirtualBox/src/activity/vmactivity/UIVMActivityMonitor.cpp

@@ -509 +509 @@
     const float fPenWidth = 1.5f;
     const float fPointSize = 3.5f;
+    QPixmap areaPixmap(width(), height());
+    if (m_fUseAreaChart && m_fIsAreaChartAllowed)
+        areaPixmap.fill(QColor(0, 0, 0, 0));
     for (int k = 0; k < DATA_SERIES_SIZE; ++k)
     {
@@ -523 +526 @@
         if (m_fUseAreaChart && m_fIsAreaChartAllowed)
         {
+            QPainter pixmapPainter(&areaPixmap);
             QVector<QPointF> points;
             for (int i = 0; i < data->size(); ++i)
@@ -540 +544 @@
                     points << QPointF(fX, height() - + m_iMarginBottom);
             }
-            painter.setPen(Qt::NoPen);
+            pixmapPainter.setPen(Qt::NoPen);
             QColor fillColor(m_dataSeriesColor[k]);
-            fillColor.setAlpha(0.7 * fillColor.alpha());
-            painter.setBrush(fillColor);
-            painter.drawPolygon(points, Qt::WindingFill);
+            pixmapPainter.setBrush(fillColor);
+            pixmapPainter.drawPolygon(points, Qt::WindingFill);
         }
         else
@@ -572 +575 @@
                 painter.drawPoint(fX, height() - (fHeight + m_iMarginBottom));
             }
+        }
+        if (m_fUseAreaChart && m_fIsAreaChartAllowed)
+        {
+            painter.setOpacity(0.6);
+            painter.drawPixmap(rect(), areaPixmap);
+            painter.setOpacity(1.0);
         }