int main(int argc, char *argv[])
{
// The data for the area chart
double data[] = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55,
53, 35, 50, 66, 56, 48, 52, 65, 62};
// The labels for the area chart
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
"24"};
// Create a XYChart object of size 600 x 360 pixels, with a brushed silver
// background, 1 pixel 3D border effect, rounded corners and soft drop shadow.
XYChart *c = new XYChart(600, 360, Chart::brushedSilverColor(),
Chart::Transparent, 1);
c->setRoundedFrame();
c->setDropShadow();
// Add a title box to the chart using 18 pts Times Bold Italic font.
TextBox *title = c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Performance "
"Enhancer <*img=star.png*><*img=star.png*><*/*>", "timesbi.ttf", 18);
//
// Use a text box with a depressed 3D border to create the inner depressed region
//
// The width of the frame border
int frameWidth = 5;
// Set the depressed region position
TextBox *contentBox = c->addText(frameWidth, title->getHeight(), "");
contentBox->setSize(c->getDrawArea()->getWidth() - 1 - frameWidth * 2,
c->getDrawArea()->getHeight() - title->getHeight() - frameWidth - 1);
// Use -1 as the rasied effect to create a depressed region
contentBox->setBackground(Chart::Transparent, Chart::Transparent, -1);
// Set rounded corners, and put the text box at the back of the chart
contentBox->setRoundedCorners(10);
contentBox->setZOrder(Chart::ChartBackZ);
// Tentatively set the plotarea to 50 pixels from the left depressed edge, and 25
// pixels under the top depressed edge. Set the width to 75 pixels less than the
// depressed region width, and the height to 75 pixels less than the depressed
// region height. Use white (ffffff) background, transparent border, and grey
// (cccccc) horizontal and vertical grid lines.
PlotArea *plotArea = c->setPlotArea(50 + contentBox->getLeftX(),
contentBox->getTopY() + 25, contentBox->getWidth() - 75,
contentBox->getHeight() - 75, 0xffffff, -1, -1, 0xcccccc, -1);
// Add a title to the y axis
c->yAxis()->setTitle("Energy Concentration (KJ per liter)");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Display 1 out of 3 labels on the x-axis.
c->xAxis()->setLabelStep(3);
// Add a title to the x axis using CDML
c->xAxis()->setTitle(
"<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
// Set the axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add an area layer to the chart using a gradient color that changes vertically
// from semi-transparent red (60ff0000) to semi-transparent white (60ffffff)
c->addAreaLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])),
c->linearGradientColor(0, contentBox->getTopY() + 20, 0, contentBox->getTopY(
) + contentBox->getHeight() - 50, 0x60ff0000, 0x60ffffff));
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 15 pixels from the left depressed edge, 25 pixels below the top depressed
// edge, 25 pixels from the right depressed edge, and 15 pixels above the bottom
// depressed edge.
c->packPlotArea(contentBox->getLeftX() + 15, contentBox->getTopY() + 25,
contentBox->getLeftX() + contentBox->getWidth() - 25, contentBox->getTopY() +
contentBox->getHeight() - 15);
// Add a custom CDML text with the bottom right corner is anchored to the bootom
// right corner of the plot area, with 5 pixels margin.
c->addText(plotArea->getLeftX() + plotArea->getWidth() - 5, plotArea->getTopY() +
plotArea->getHeight() - 5,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>"
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>"
)->setAlignment(Chart::BottomRight);
// Output the chart
c->makeChart("enhancedarea.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
//
// We use a random number generator to simulate the data from 9:30am to 4:30pm
// with one data point every 4 minutes. The total number of points during that
// period is 106. (7 hours x 15 points/hour + 1)
//
int noOfPoints = 106;
// Assume we have not reached the end of the day yet, and only 85 points are
// available. Create a random table object of 1 col x 85 rows, using 9 as seed.
RanTable *rantable = new RanTable(9, 1, 85);
// Set the 1st column to start with 1800 and with random delta from -5 to 5.
rantable->setCol(0, 1800, -5, 5);
// Get the data as the 1st column of the random table
DoubleArray data = rantable->getCol(0);
// The x-axis labels for the chart
const char *labels[] = {"-", "10am", "-", " ", "-", "12am", "-", " ", "-", "2pm",
"-", " ", "-", "4pm", "-"};
//
// Now we obtain the data into arrays, we can start to draw the chart using
// ChartDirector
//
// Create a XYChart object of size 180 x 180 pixels with a blue background
// (0x9c9cce)
XYChart *c = new XYChart(180, 180, 0x9c9cce);
// Add titles to the top and bottom of the chart using 7.5pt Arial font. The text
// is white 0xffffff on a deep blue 0x31319C background.
c->addTitle(Chart::Top, "STAR TECH INDEX 2003-01-28", "arial.ttf", 7.5,
0xffffff, 0x31319c);
c->addTitle(Chart::Bottom, "LATEST STI:1809.41 (+14.51)", "arial.ttf", 7.5,
0xffffff, 0x31319c);
// Set the plotarea at (31, 21) and of size 145 x 124 pixels, with a pale yellow
// (0xffffc8) background.
c->setPlotArea(31, 21, 145, 124, 0xffffc8);
// Add custom text at (176, 21) (top right corner of plotarea) using 11pt Times
// Bold Italic font/red (0xc09090) color
c->addText(176, 21, "Chart Demo", "timesbi.ttf", 11, 0xc09090)->setAlignment(
Chart::TopRight);
// Use 7.5 pts Arial as the y axis label font
c->yAxis()->setLabelStyle("", 7.5);
// Set the labels on the x axis by spreading the labels evenly between the first
// point (index = 0) and the last point (index = noOfPoints - 1)
c->xAxis()->setLinearScale(0, noOfPoints - 1, StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Use 7.5 pts Arial as the x axis label font
c->xAxis()->setLabelStyle("", 7.5);
// Add a deep blue (0x000080) line layer to the chart
c->addLineLayer(data, 0x000080);
// Output the chart
c->makeChart("compactline.png");
//free up resources
delete rantable;
delete c;
return 0;
}
//只是一个demo,有内存泄露的
QWidget * Widget::addLineWithErrorSymbols()
{
// The data with error information
double data[] = {42, 49, 33, 38, 51, 46, 29, 41, 44, 57, 59, 52, 37, 34, 51, 56, 56, 60, 70, 76,
63, 67, 75, 64, 51};
double errData[] = {5, 6, 5.1, 6.5, 6.6, 8, 5.4, 5.1, 4.6, 5.0, 5.2, 6.0, 4.9, 5.6, 4.8, 6.2,
7.4, 7.1, 6.0, 6.6, 7.1, 50.3, 5.5, 7.9, 6.1};
// The labels for the chart
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12",
"13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23", "24"};
// Create a XYChart object of size 600 x 300 pixels, with a light grey (eeeeee) background,
// black border, 1 pixel 3D border effect and rounded corners.
XYChart *c = new XYChart(600, 300, 0xeeeeee, 0x000000, 1);
c->setRoundedFrame(0xaafaaf);
// Set the plotarea at (55, 55) and of size 520 x 195 pixels, with white (ffffff) background.
// Set horizontal and vertical grid lines to grey (cccccc).
c->setPlotArea(55, 55, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a title box to the chart using 15pt Times Bold Italic font. The title is in CDML and
// includes embedded images for highlight. The text is on a light grey (dddddd) background, with
// glass lighting effect.
c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Molecular Temperature Control "
"<*img=star.png*><*img=star.png*><*/*>", "timesbi.ttf", 15)->setBackground(0xdddddd, 0,
Chart::glassEffect());//增加玻璃效果
// Add a title to the y axis
c->yAxis()->setTitle("Temperature");
// Add a title to the x axis using CMDL
c->xAxis()->setTitle("<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0]))));
// Display 1 out of 3 labels on the x-axis. Show minor ticks for remaining labels.
c->xAxis()->setLabelStep(3, 1);
// Set the axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add a line layer to the chart
LineLayer *lineLayer = c->addLineLayer();
// Add a blue (0xff) data set to the line layer, with yellow (0xffff80) diamond symbols
lineLayer->addDataSet(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), 0x0000ff
)->setDataSymbol(Chart::DiamondSymbol, 12, 0xffff80);
// Set the line width to 2 pixels
lineLayer->setLineWidth(2);
// Add a box whisker layer to the chart. Use the upper and lower mark of the box whisker layer
// to act as error zones. The upper and lower marks are computed using the ArrayMath object.
BoxWhiskerLayer *errLayer = c->addBoxWhiskerLayer(DoubleArray(), DoubleArray(), ArrayMath(
DoubleArray(data, (int)(sizeof(data) / sizeof(data[0])))).add(DoubleArray(errData, (int)(
sizeof(errData) / sizeof(errData[0])))), ArrayMath(DoubleArray(data, (int)(sizeof(data) /
sizeof(data[0])))).sub(DoubleArray(errData, (int)(sizeof(errData) / sizeof(errData[0])))),
DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), Chart::Transparent, 0xbb6633);
// Set the line width to 2 pixels
errLayer->setLineWidth(2);
// Set the error zone to occupy half the space between the symbols
errLayer->setDataGap(0.5);
// Add a custom CDML text at the bottom right of the plot area as the logo
c->addText(575, 247,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>"
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>")->setAlignment(
Chart::BottomRight);
// Output the chart
c->makeChart("errline.png");
QWidget * _w= new QWidget();
QChartViewer * _v = new QChartViewer(_w);
_v->setChart(c);
//free up resources
//delete c;
return _w;
}
int main(int argc, char *argv[])
{
// The data for the chart
double data[] = {30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 89, 60, 55,
53, 35, 50, 66, 56, 48, 52, 65, 62};
// The labels for the chart
const char *labels[] = {"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10",
"11", "12", "13", "14", "15", "16", "17", "18", "19", "20", "21", "22", "23",
"24"};
// Create a XYChart object of size 500 x 300 pixels, with a pale yellow
// (0xffffc0) background, a black border, and 1 pixel 3D border effect
XYChart *c = new XYChart(500, 300, 0xffffc0, 0x000000, 1);
// Set the plotarea at (55, 50) and of size 420 x 205 pixels, with white
// background. Turn on both horizontal and vertical grid lines with light grey
// color (0xc0c0c0)
c->setPlotArea(55, 50, 420, 205, 0xffffff)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a legend box at (55, 25) (top of the chart) with horizontal layout. Use 8
// pts Arial font. Set the background and border color to Transparent.
LegendBox *legendBox = c->addLegend(55, 25, false, "", 8);
legendBox->setBackground(Chart::Transparent);
// Add keys to the legend box to explain the color zones
legendBox->addKey("Normal Zone", 0x8033ff33);
legendBox->addKey("Alert Zone", 0x80ff3333);
// Add a title box to the chart using 13 pts Arial Bold Italic font. The title is
// in CDML and includes embedded images for highlight. The text is white
// (0xffffff) on a black background, with a 1 pixel 3D border.
c->addTitle(
"<*block,valign=absmiddle*><*img=star.png*><*img=star.png*> Y Zone Color "
"Demo <*img=star.png*><*img=star.png*><*/*>", "arialbi.ttf", 13, 0xffffff
)->setBackground(0x000000, -1, 1);
// Add a title to the y axis
c->yAxis()->setTitle("Energy Concentration (KJ per liter)");
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Display 1 out of 3 labels on the x-axis.
c->xAxis()->setLabelStep(3);
// Add a title to the x axis using CDML
c->xAxis()->setTitle(
"<*block,valign=absmiddle*><*img=clock.png*> Elapsed Time (hour)<*/*>");
// Set the axes width to 2 pixels
c->xAxis()->setWidth(2);
c->yAxis()->setWidth(2);
// Add an area layer to the chart. The area is using a y zone color, where the
// color is semi-transparent green below 60, and semi-transparent red above 60.
c->addAreaLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])), c->yZoneColor(
60, 0x8033ff33, 0x80ff3333));
// Add a custom CDML text at the bottom right of the plot area as the logo
c->addText(475, 255,
"<*block,valign=absmiddle*><*img=small_molecule.png*> <*block*>"
"<*font=timesbi.ttf,size=10,color=804040*>Molecular\nEngineering<*/*>"
)->setAlignment(Chart::BottomRight);
// Output the chart
c->makeChart("yzonecolor.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
char buffer[256];
// The XY data of the first data series
double dataX[] = {50, 55, 37, 24, 42, 49, 63, 72, 83, 59};
double dataY[] = {3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3};
// Create a XYChart object of size 450 x 420 pixels
XYChart *c = new XYChart(450, 420);
// Set the plotarea at (55, 65) and of size 350 x 300 pixels, with white
// background and a light grey border (0xc0c0c0). Turn on both horizontal and
// vertical grid lines with light grey color (0xc0c0c0)
c->setPlotArea(55, 65, 350, 300, 0xffffff, -1, 0xc0c0c0, 0xc0c0c0, -1);
// Add a title to the chart using 18 point Times Bold Itatic font.
c->addTitle("Server Performance", "timesbi.ttf", 18);
// Add titles to the axes using 12 pts Arial Bold Italic font
c->yAxis()->setTitle("Response Time (sec)", "arialbi.ttf", 12);
c->xAxis()->setTitle("Server Load (TPS)", "arialbi.ttf", 12);
// Set the axes line width to 3 pixels
c->yAxis()->setWidth(3);
c->xAxis()->setWidth(3);
// Add a scatter layer using (dataX, dataY)
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])),
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0])), "", Chart::DiamondSymbol,
11, 0x008000);
// Add a trend line layer for (dataX, dataY)
TrendLayer *trendLayer = c->addTrendLayer(DoubleArray(dataX,
sizeof(dataX)/sizeof(dataX[0])), DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), 0x008000);
// Set the line width to 3 pixels
trendLayer->setLineWidth(3);
// Add a 95% confidence band for the line
trendLayer->addConfidenceBand(0.95, 0x806666ff);
// Add a 95% confidence band (prediction band) for the points
trendLayer->addPredictionBand(0.95, 0x8066ff66);
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
LegendBox *legendBox = c->addLegend(50, 30, false, "arialbi.ttf", 10);
legendBox->setBackground(Chart::Transparent);
// Add entries to the legend box
legendBox->addKey("95% Line Confidence", 0x806666ff);
legendBox->addKey("95% Point Confidence", 0x8066ff66);
// Display the trend line parameters as a text table formatted using CDML
sprintf(buffer,
"<*block*>Slope\nIntercept\nCorrelation\nStd Error<*/*> <*block*>%.4f "
"sec/tps\n%.4f sec\n%.4f\n%.4f sec<*/*>", trendLayer->getSlope(),
trendLayer->getIntercept(), trendLayer->getCorrelation(),
trendLayer->getStdError());
TextBox *textbox = c->addText(56, 65, buffer, "arialbd.ttf", 8);
// Set the background of the text box to light grey, with a black border, and 1
// pixel 3D border
textbox->setBackground(0xc0c0c0, 0, 1);
// Output the chart
c->makeChart("confidenceband.png");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
//
// Sample data for the HLOC chart.
//
double highData[] = {2043, 2039, 2076, 2064, 2048, 2058, 2070, 2033, 2027, 2029,
2071, 2085, 2034, 2031, 2056, 2128, 2180, 2183, 2192, 2213, 2230, 2281, 2272}
;
double lowData[] = {1931, 1921, 1985, 2028, 1986, 1994, 1999, 1958, 1943, 1944,
1962, 2011, 1975, 1962, 1928, 2059, 2112, 2103, 2151, 2127, 2123, 2152, 2212}
;
double openData[] = {2000, 1957, 1993, 2037, 2018, 2021, 2045, 2009, 1959, 1985,
2008, 2048, 2006, 2010, 1971, 2080, 2116, 2137, 2170, 2172, 2171, 2191, 2240}
;
double closeData[] = {1950, 1991, 2026, 2029, 2004, 2053, 2011, 1962, 1987, 2019,
2040, 2016, 1996, 1985, 2006, 2113, 2142, 2167, 2158, 2201, 2188, 2231, 2242}
;
// The labels for the HLOC chart
const char *labels[] = {"Mon 1", "Tue 2", "Wed 3", "Thu 4", "Fri 5", "Mon 8",
"Tue 9", "Wed 10", "Thu 11", "Fri 12", "Mon 15", "Tue 16", "Wed 17",
"Thu 18", "Fri 19", "Mon 22", "Tue 23", "Wed 24", "Thu 25", "Fri 26",
"Mon 29", "Tue 30", "Wed 31"};
// Create a XYChart object of size 600 x 350 pixels
XYChart *c = new XYChart(600, 350);
// Set the plotarea at (50, 25) and of size 500 x 250 pixels. Enable both the
// horizontal and vertical grids by setting their colors to grey (0xc0c0c0)
c->setPlotArea(50, 25, 500, 250)->setGridColor(0xc0c0c0, 0xc0c0c0);
// Add a title to the chart
c->addTitle("Universal Stock Index on Jan 2001");
// Add a custom text at (50, 25) (the upper left corner of the plotarea). Use 12
// pts Arial Bold/blue (4040c0) as the font.
c->addText(50, 25, "(c) Global XYZ ABC Company", "arialbd.ttf", 12, 0x4040c0);
// Add a title to the x axis
c->xAxis()->setTitle("Jan 2001");
// Set the labels on the x axis. Rotate the labels by 45 degrees.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0]))
)->setFontAngle(45);
// Add a title to the y axis
c->yAxis()->setTitle("Universal Stock Index");
// Draw the y axis on the right hand side of the plot area
c->setYAxisOnRight(true);
// Add a HLOC layer to the chart using green (008000) for up days and red
// (ff0000) for down days
HLOCLayer *layer = c->addHLOCLayer(DoubleArray(highData,
sizeof(highData)/sizeof(highData[0])), DoubleArray(lowData,
sizeof(lowData)/sizeof(lowData[0])), DoubleArray(openData,
sizeof(openData)/sizeof(openData[0])), DoubleArray(closeData,
sizeof(closeData)/sizeof(closeData[0])), 0x008000, 0xff0000);
// Set the line width to 2 pixels
layer->setLineWidth(2);
// Output the chart
c->makeChart("hloc.png");
//free up resources
delete c;
return 0;
}