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author | Kai Koehne <kai.koehne@digia.com> | 2013-06-05 16:55:32 +0200 |
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committer | Kai Koehne <kai.koehne@digia.com> | 2013-06-06 16:01:42 +0200 |
commit | e96414023748a03f63a88886b163177a7a862946 (patch) | |
tree | 26c453cf3d48dc0345023376de1b45f67ca909d1 /plugins/qmlprofiler/qml/TimeDisplay.qml | |
download | qt-creator-e96414023748a03f63a88886b163177a7a862946.tar.gz |
Initial commit of qmlprofiler plugin (commercial version)
Change-Id: I08e838110c17a4a2085e0c3232424787186f9c31
Diffstat (limited to 'plugins/qmlprofiler/qml/TimeDisplay.qml')
-rw-r--r-- | plugins/qmlprofiler/qml/TimeDisplay.qml | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/plugins/qmlprofiler/qml/TimeDisplay.qml b/plugins/qmlprofiler/qml/TimeDisplay.qml new file mode 100644 index 0000000000..2f5a8bfaaf --- /dev/null +++ b/plugins/qmlprofiler/qml/TimeDisplay.qml @@ -0,0 +1,140 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of Qt Creator. +** +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +****************************************************************************/ + +import QtQuick 1.0 +import Monitor 1.0 + +Canvas2D { + id: timeDisplay + + property variant startTime : 0 + property variant endTime : 0 + property variant timePerPixel: 0 + + + Component.onCompleted: { + requestRedraw(); + } + onWidthChanged: { + requestRedraw(); + } + onHeightChanged: { + requestRedraw(); + } + + Connections { + target: zoomControl + onRangeChanged: { + startTime = zoomControl.startTime(); + endTime = zoomControl.endTime(); + requestRedraw(); + } + } + + onDrawRegion: { + ctxt.fillStyle = "white"; + ctxt.fillRect(0, 0, width, height); + + var totalTime = endTime - startTime; + var spacing = width / totalTime; + + var initialBlockLength = 120; + var timePerBlock = Math.pow(2, Math.floor( Math.log( totalTime / width * initialBlockLength ) / Math.LN2 ) ); + var pixelsPerBlock = timePerBlock * spacing; + var pixelsPerSection = pixelsPerBlock / 5; + var blockCount = width / pixelsPerBlock; + + var realStartTime = Math.floor(startTime/timePerBlock) * timePerBlock; + var realStartPos = (startTime-realStartTime) * spacing; + + timePerPixel = timePerBlock/pixelsPerBlock; + + var initialColor = Math.floor(realStartTime/timePerBlock) % 2; + + ctxt.fillStyle = "#000000"; + ctxt.font = "8px sans-serif"; + for (var ii = 0; ii < blockCount+1; ii++) { + var x = Math.floor(ii*pixelsPerBlock - realStartPos); + + ctxt.fillStyle = (ii+initialColor)%2 ? "#E6E6E6":"white"; + ctxt.fillRect(x, 0, pixelsPerBlock, height); + + ctxt.strokeStyle = "#B0B0B0"; + ctxt.beginPath(); + ctxt.moveTo(x, 0); + ctxt.lineTo(x, height); + ctxt.stroke(); + + ctxt.fillStyle = "#000000"; + ctxt.fillText(prettyPrintTime(ii*timePerBlock + realStartTime), x + 5, height/2 + 5); + } + + ctxt.strokeStyle = "#525252"; + ctxt.beginPath(); + ctxt.moveTo(0, height-1); + ctxt.lineTo(width, height-1); + ctxt.stroke(); + + // gradient borders + var gradientDark = "rgba(0, 0, 0, 0.53125)"; + var gradientClear = "rgba(0, 0, 0, 0)"; + var grad = ctxt.createLinearGradient(0, 0, 0, 6); + grad.addColorStop(0,gradientDark); + grad.addColorStop(1,gradientClear); + ctxt.fillStyle = grad; + ctxt.fillRect(0, 0, width, 6); + + grad = ctxt.createLinearGradient(0, 0, 6, 0); + grad.addColorStop(0,gradientDark); + grad.addColorStop(1,gradientClear); + ctxt.fillStyle = grad; + ctxt.fillRect(0, 0, 6, height); + + grad = ctxt.createLinearGradient(width, 0, width-6, 0); + grad.addColorStop(0,gradientDark); + grad.addColorStop(1,gradientClear); + ctxt.fillStyle = grad; + ctxt.fillRect(width-6, 0, 6, height); + } + + function prettyPrintTime( t ) + { + if (t <= 0) return "0"; + if (t<1000) return t+" ns"; + t = t/1000; + if (t<1000) return t+" μs"; + t = Math.floor(t/100)/10; + if (t<1000) return t+" ms"; + t = Math.floor(t)/1000; + if (t<60) return t+" s"; + var m = Math.floor(t/60); + t = Math.floor(t - m*60); + return m+"m"+t+"s"; + } +} |