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#include "GraphStyle.hxx"
#include "GraphData.hxx"
#include "Graph.hxx"
namespace systemtap
{
using namespace std;
using namespace tr1;
GraphStyleBar GraphStyleBar::instance;
void GraphStyleBar::draw(std::tr1::shared_ptr<GraphDataBase> graphData,
Graph* graph, Cairo::RefPtr<Cairo::Context> cr)
{
shared_ptr<GraphData<double> > realData
= dynamic_pointer_cast<GraphData<double> >(graphData);
if (!realData)
return;
int64_t left, right;
double top, bottom;
graph->getExtents(left, right, top, bottom);
double horizScale = (graph->_zoomFactor * graph->_graphWidth
/ static_cast<double>(right - left));
GraphDataBase::TimeList::iterator lower
= lower_bound(graphData->times.begin(), graphData->times.end(), left);
GraphDataBase::TimeList::iterator upper
= upper_bound(graphData->times.begin(), graphData->times.end(), right);
for (GraphDataBase::TimeList::iterator ditr = lower, de = upper;
ditr != de;
++ditr)
{
size_t dataIndex = ditr - graphData->times.begin();
cr->set_source_rgba(graphData->color[0], graphData->color[1],
graphData->color[2], 1.0);
cr->move_to((*ditr - left) * horizScale, 0);
cr->line_to((*ditr - left) * horizScale,
realData->data[dataIndex] * graph->_graphHeight
/ graphData->scale);
cr->stroke();
}
}
GraphStyleDot GraphStyleDot::instance;
void GraphStyleDot::draw(std::tr1::shared_ptr<GraphDataBase> graphData,
Graph* graph, Cairo::RefPtr<Cairo::Context> cr)
{
shared_ptr<GraphData<double> > realData
= dynamic_pointer_cast<GraphData<double> >(graphData);
if (!realData)
return;
int64_t left, right;
double top, bottom;
graph->getExtents(left, right, top, bottom);
double horizScale = (graph->_zoomFactor * graph->_graphWidth
/ static_cast<double>(right - left));
GraphDataBase::TimeList::iterator lower
= lower_bound(graphData->times.begin(), graphData->times.end(), left);
GraphDataBase::TimeList::iterator upper
= upper_bound(graphData->times.begin(), graphData->times.end(), right);
cr->set_source_rgba(graphData->color[0], graphData->color[1],
graphData->color[2], 1.0);
for (GraphDataBase::TimeList::iterator ditr = lower, de = upper;
ditr != de;
++ditr)
{
size_t dataIndex = ditr - graphData->times.begin();
cr->arc((*ditr - left) * horizScale,
(realData->data[dataIndex]
* graph->_graphHeight / graphData->scale),
graph->_lineWidth / 2.0, 0.0, M_PI * 2.0);
cr->fill();
}
}
GraphStyleEvent GraphStyleEvent::instance;
void GraphStyleEvent::draw(std::tr1::shared_ptr<GraphDataBase> graphData,
Graph* graph, Cairo::RefPtr<Cairo::Context> cr)
{
shared_ptr<GraphData<string> > stringData
= dynamic_pointer_cast<GraphData<string> >(graphData);
if (!stringData)
return;
int64_t left, right;
double top, bottom;
graph->getExtents(left, right, top, bottom);
double horizScale = (graph->_zoomFactor * graph->_graphWidth
/ static_cast<double>(right - left));
double eventHeight = graph->_graphHeight * (graphData->scale / 100.0);
cr->save();
cr->set_line_width(3 * graph->_lineWidth);
cr->set_source_rgba(graphData->color[0], graphData->color[1],
graphData->color[2], .33);
cr->move_to(0, eventHeight);
cr->line_to(graph->_graphWidth, eventHeight);
cr->stroke();
cr->restore();
GraphDataBase::TimeList::iterator lower
= lower_bound(graphData->times.begin(), graphData->times.end(), left);
GraphDataBase::TimeList::iterator upper
= upper_bound(graphData->times.begin(), graphData->times.end(), right);
for (GraphDataBase::TimeList::iterator ditr = lower, de = upper;
ditr != de;
++ditr)
{
size_t dataIndex = ditr - graphData->times.begin();
double eventHeight = graph->_graphHeight * (graphData->scale / 100.0);
cr->save();
cr->select_font_face("Sans", Cairo::FONT_SLANT_NORMAL,
Cairo::FONT_WEIGHT_NORMAL);
cr->set_font_size(12.0);
cr->set_source_rgba(graphData->color[0], graphData->color[1],
graphData->color[2], 1.0);
cr->save();
cr->scale(1.0, -1.0);
cr->move_to((*ditr - left) * horizScale,
-eventHeight - 3.0 * graph->_lineWidth - 2.0);
cr->show_text(stringData->data[dataIndex]);
cr->restore();
cr->rectangle((*ditr - left) * horizScale - 1.5 * graph->_lineWidth,
eventHeight - 1.5 * graph->_lineWidth,
3.0 * graph->_lineWidth, 3.0 * graph->_lineWidth);
cr->fill();
cr->restore();
}
}
}
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