diff options
Diffstat (limited to 'grapher/Graph.cxx')
| -rw-r--r-- | grapher/Graph.cxx | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/grapher/Graph.cxx b/grapher/Graph.cxx index 55ffcdf2..ea1bd091 100644 --- a/grapher/Graph.cxx +++ b/grapher/Graph.cxx @@ -1,3 +1,11 @@ +// systemtap grapher +// Copyright (C) 2009 Red Hat Inc. +// +// This file is part of systemtap, and is free software. You can +// redistribute it and/or modify it under the terms of the GNU General +// Public License (GPL); either version 2, or (at your option) any +// later version. + #include "Graph.hxx" #include <sstream> @@ -8,13 +16,16 @@ namespace systemtap { using namespace std; using namespace std::tr1; + + GraphDataList GraphDataBase::graphData; + sigc::signal<void> GraphDataBase::graphDataChanged; Graph::Graph(double x, double y) : _width(600), _height(200), _graphX(0), _graphY(0), _graphWidth(580), _graphHeight(180), _lineWidth(2), _autoScaling(true), _autoScrolling(true), _zoomFactor(1.0), _xOffset(20.0), _yOffset(0.0), - _playButton(new CairoPlayButton), + _playButton(new CairoPlayButton), _timeBase(0), _left(0), _right(1), _top(5.0), _bottom(0.0) { setOrigin(x, y); @@ -32,7 +43,7 @@ namespace systemtap int linesPossible = (int)(_graphWidth / (_lineWidth + 2.0)); // Find latest time. int64_t latestTime = 0; - for (DatasetList::iterator ditr = _datasets.begin(), + for (GraphDataList::iterator ditr = _datasets.begin(), de = _datasets.end(); ditr != de; ++ditr) @@ -46,7 +57,7 @@ namespace systemtap } int64_t minDiff = 0; int64_t maxTotal = 0; - for (DatasetList::iterator ditr = _datasets.begin(), + for (GraphDataList::iterator ditr = _datasets.begin(), de = _datasets.end(); ditr != de; ++ditr) @@ -84,7 +95,7 @@ namespace systemtap cr->translate(_xOffset, _yOffset); cr->set_line_width(_lineWidth); - for (DatasetList::iterator itr = _datasets.begin(), e = _datasets.end(); + for (GraphDataList::iterator itr = _datasets.begin(), e = _datasets.end(); itr != e; ++itr) { @@ -150,7 +161,7 @@ namespace systemtap cr->move_to(x, _yOffset); cr->line_to(x, _graphHeight); std::ostringstream stream; - stream << tickVal; + stream << (tickVal - _timeBase); Cairo::TextExtents extents; cr->get_text_extents(stream.str(), extents); // Room for this label? @@ -205,4 +216,11 @@ namespace systemtap return (_left + (_right - _left) * ((x - _xOffset)/(_zoomFactor * _graphWidth))); } + + void Graph::window2GraphCoords(double x, double y, + double& xgraph, double& ygraph) + { + xgraph = x -_xOffset; + ygraph = -(y - _graphY) + _yOffset + _graphHeight; + } } |