--- a/perfmon/ui/hb/app/src/graphdatacontainer.cpp Tue Aug 31 15:15:20 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,188 +0,0 @@
-/*
-* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-#include "graphdatacontainer.h"
-#include "enginewrapper.h"
-
-#include <QPainter>
-#include <QFontMetrics>
-
-const int amountOfMicroSecondsFitsScreen = 20 * 1000000;
-const int microToSecondMultiplier = 1000000;
-
-GraphDataContainer::GraphDataContainer(const EngineWrapper& engine, QGraphicsItem *parent) :
- DataContainer(engine, parent)
-{
- HbFontSpec spec(HbFontSpec::Secondary);
- mFont = spec.font();
- mFont.setPixelSize(12);
-}
-
-void GraphDataContainer::paint (QPainter *painter,
- const QStyleOptionGraphicsItem *option,
- QWidget *widget)
-{
- Q_UNUSED(option);
- Q_UNUSED(widget);
-
- // set proper font and prepare font metrics for text width / height calculation
- painter->setFont(mFont);
- QFontMetricsF metrics(mFont);
-
- // fill background with black color
- painter->fillRect(rect(), Qt::black);
-
- // calculate time factor
- qreal scaleFactor = rect().width() / (qreal) amountOfMicroSecondsFitsScreen;
-
- // calculate area height which is used to draw the grpahs
- qreal drawAreaHeight = rect().height() - 2 * metrics.height();
-
-
- const QList<SampleEntry> sampleEntries = engine().sampleEntries();
-
- // check if sample array has been constructed
- if (sampleEntries.length())
- {
- // draw vertical time lines first
- int verticalBarPeriodInSecs = engine().settings().graphVerticalBarPeriod();
-
- if (verticalBarPeriodInSecs >= 1 && sampleEntries.first().sampleCount() > 0)
- {
- // get time from the first sample
- const SampleData& firstSample = sampleEntries.first().sample(0);
- qint64 currentMicroSeconds = firstSample.mTimeFromStart;
-
- // calculate amount of microseconds exceeding value by using the modulo operator
- int remainderInMicroSeconds = currentMicroSeconds % (verticalBarPeriodInSecs * 1000000);
-
- // calculate first x pos
- qreal vbarXpos = rect().width() - (remainderInMicroSeconds * scaleFactor);
-
- // calculate the amount in seconds
- int barSeconds = (currentMicroSeconds - remainderInMicroSeconds) / microToSecondMultiplier;
-
- // continue drawing periodically the vertical lines
- while (vbarXpos >= 0 && barSeconds >= 0)
- {
- // draw vertical line
- painter->setPen(Qt::darkRed);
- painter->drawLine(QPointF(vbarXpos, metrics.height() + 1),
- QPointF(vbarXpos, rect().height() - metrics.height()));
-
- // draw seconds value
- painter->setPen(Qt::darkGray);
- QString secsText = QString("%1s").arg(barSeconds);
- QPointF secsPos(vbarXpos - metrics.width(secsText) / 2,
- rect().height());
- painter->drawText(secsPos, secsText);
-
- // calculate new position
- vbarXpos -= verticalBarPeriodInSecs * 1000000 * scaleFactor;
- barSeconds -= verticalBarPeriodInSecs;
- }
- }
-
- // draw the basic grid
- painter->setPen(Qt::darkGray);
-
- qreal axisY = metrics.height();
- painter->drawLine(QPointF(0, axisY), QPointF(rect().width(), axisY)); // upper line
- painter->drawText(QPointF(0, axisY), tr("100%"));
-
- axisY = rect().height() / 2;
- painter->drawLine(QPointF(0, axisY), QPointF(rect().width(), axisY)); // mid line
- painter->drawText(QPointF(0, axisY), tr("50%"));
-
- axisY = rect().height() - metrics.height();
- painter->drawLine(QPointF(0, axisY), QPointF(rect().width(), axisY)); // bottom line
- painter->drawText(QPointF(0, axisY), tr("0%"));
-
- int c = 0;
- // draw graphs for each sampled type
- for (int i=0; i<sampleEntries.length(); i++)
- {
- // check if this setting has been enabled and it has some data
- if (engine().settings().graphSources().isEnabled(i) &&
- sampleEntries.at(i).sampleCount() > 0)
- {
- // set pen color for the graph
- painter->setPen(sampleEntries.at(i).graphColor());
-
- // remember the position where drawing started
- qreal currentXPos(rect().width()); // start drawing from right
- qreal currentYPos(0.);
-
- // draw samples
- for (int j=0; j<sampleEntries.at(i).sampleCount()-1; j++)
- {
- const SampleData& currentSample = sampleEntries.at(i).sample(j);
- const SampleData& previousSample = sampleEntries.at(i).sample(j+1);
-
- // calculate X position for previous (j+1)
- qreal previousXPos = currentXPos -
- qAbs(previousSample.mTimeFromStart - currentSample.mTimeFromStart) * scaleFactor;
-
-
- // calculate initial Y position
- if (j==0)
- {
- currentYPos = currentSample.mSize > 0 ?
- drawAreaHeight * currentSample.mFree / currentSample.mSize + metrics.height() :
- rect().height() - metrics.height();
- }
-
- // calculate Y position for previous (j+1)
- qreal previousYPos = previousSample.mSize > 0 ?
- drawAreaHeight * previousSample.mFree / previousSample.mSize + metrics.height() :
- rect().height() - metrics.height();
-
-
- // draw a line between the previous and current
- painter->drawLine(QPointF(previousXPos, previousYPos),
- QPointF(currentXPos, currentYPos));
-
- // draw current value in %
- if (j==0) // draw the value of first sample
- {
- qreal perc = currentSample.mSize > 0 ?
- 100. - 100. * currentSample.mFree / currentSample.mSize : 0;
- QString percText = QString ("%1 %2%").
- arg(sampleEntries.at(i).description()).
- arg(perc, 0, 'f', 0);
-
- painter->drawText(QPointF(0, metrics.height() * (c + 2)),
- percText);
- c++;
- }
-
-
- // stop drawing if we have run out of space
- if (previousXPos < 0)
- break;
-
- // remeber previous values
- currentXPos = previousXPos;
- currentYPos = previousYPos;
- }
-
-
- }
- }
-
- }
-}