int main(int argc, char *argv[])
{
// The data for the bar chart
double data[] = {450, 560, 630, 800, 1100, 1350, 1600, 1950, 2300, 2700};
// The labels for the bar chart
const char *labels[] = {"1996", "1997", "1998", "1999", "2000", "2001", "2002",
"2003", "2004", "2005"};
// Create a XYChart object of size 600 x 380 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners of 20 pixels
// radius.
XYChart *c = new XYChart(600, 380, Chart::brushedSilverColor(),
Chart::Transparent, 2);
// Add a title to the chart using 18pts Times Bold Italic font. Set top/bottom
// margins to 8 pixels.
c->addTitle("Annual Revenue for Star Tech", "timesbi.ttf", 18)->setMargin(0, 0,
8, 8);
// Set the plotarea at (70, 55) and of size 460 x 280 pixels. Use transparent
// border and black grid lines. Use rounded frame with radius of 20 pixels.
c->setPlotArea(70, 55, 460, 280, -1, -1, Chart::Transparent, 0x000000);
c->setRoundedFrame(0xffffff, 20);
// Add a multi-color bar chart layer using the supplied data. Set cylinder bar
// shape.
c->addBarLayer(DoubleArray(data, sizeof(data)/sizeof(data[0])), IntArray(0, 0)
)->setBarShape(Chart::CircleShape);
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Show the same scale on the left and right y-axes
c->syncYAxis();
// Set the left y-axis and right y-axis title using 10pt Arial Bold font
c->yAxis()->setTitle("USD (millions)", "arialbd.ttf", 10);
c->yAxis2()->setTitle("USD (millions)", "arialbd.ttf", 10);
// Set y-axes to transparent
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Disable ticks on the x-axis by setting the tick color to transparent
c->xAxis()->setTickColor(Chart::Transparent);
// Set the label styles of all axes to 8pt Arial Bold font
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Output the chart
c->makeChart("cylinderlightbar.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// In this example, the data points are unevenly spaced on the x-axis
double dataY[] = {4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4,
2.1, 3, 2.5, 2.5, 3.1};
double dataX[] = {chartTime(1999, 7, 1), chartTime(2000, 1, 1), chartTime(2000,
2, 1), chartTime(2000, 4, 1), chartTime(2000, 5, 8), chartTime(2000, 7, 5),
chartTime(2001, 3, 5), chartTime(2001, 4, 7), chartTime(2001, 5, 9),
chartTime(2002, 2, 4), chartTime(2002, 4, 4), chartTime(2002, 5, 8),
chartTime(2002, 7, 7), chartTime(2002, 8, 30), chartTime(2003, 1, 2),
chartTime(2003, 2, 16), chartTime(2003, 11, 6), chartTime(2004, 1, 4)};
// Data points are assigned different symbols based on point type
double pointType[] = {0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0};
// Create a XYChart object of size 600 x 300 pixels, with a light purple (ffccff)
// background, black border, 1 pixel 3D border effect and rounded corners.
XYChart *c = new XYChart(600, 300, 0xffccff, 0x000000, 1);
c->setRoundedFrame();
// Set the plotarea at (55, 58) and of size 520 x 195 pixels, with white (ffffff)
// background. Set horizontal and vertical grid lines to grey (cccccc).
c->setPlotArea(55, 58, 520, 195, 0xffffff, -1, -1, 0xcccccc, 0xcccccc);
// Add a legend box at (55, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
c->addLegend(55, 30, false, "arialbi.ttf", 10)->setBackground(Chart::Transparent)
;
// Add a title box to the chart using 15 pts Times Bold Italic font. The text is
// white (ffffff) on a purple (400040) background, with soft lighting effect from
// the right side.
c->addTitle("Multi-Symbol Line Chart Demo", "timesbi.ttf", 15, 0xffffff
)->setBackground(0x400040, -1, Chart::softLighting(Chart::Right));
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set axis titles to use 9pt Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
c->xAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 9);
// Set axis labels to use Arial Bold font
c->yAxis()->setLabelStyle("arialbd.ttf");
c->xAxis()->setLabelStyle("arialbd.ttf");
// We add the different data symbols using scatter layers. The scatter layers are
// added before the line layer to make sure the data symbols stay on top of the
// line layer.
// We select the points with pointType = 0 (the non-selected points will be set
// to NoValue), and use yellow (ffff00) 15 pixels high 5 pointed star shape
// symbols for the points. (This example uses both x and y coordinates. For
// charts that have no x explicitly coordinates, use an empty array as dataX.)
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(DoubleArray(
pointType, sizeof(pointType)/sizeof(pointType[0])), Chart::NoValue),
"Point Type 0", Chart::StarShape(5), 15, 0xffff00);
// Similar to above, we select the points with pointType - 1 = 0 and use green
// (ff00) 13 pixels high six-sided polygon as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(1),
Chart::NoValue), "Point Type 1", Chart::PolygonShape(6), 13, 0x00ff00);
// Similar to above, we select the points with pointType - 2 = 0 and use red
// (ff0000) 13 pixels high X shape as symbols.
c->addScatterLayer(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])), ArrayMath(
DoubleArray(dataY, sizeof(dataY)/sizeof(dataY[0]))).selectEQZ(ArrayMath(
DoubleArray(pointType, sizeof(pointType)/sizeof(pointType[0]))).sub(2),
Chart::NoValue), "Point Type 2", Chart::Cross2Shape(), 13, 0xff0000);
// Finally, add a blue (0000ff) line layer with line width of 2 pixels
LineLayer *layer = c->addLineLayer(DoubleArray(dataY,
sizeof(dataY)/sizeof(dataY[0])), 0x0000ff);
layer->setXData(DoubleArray(dataX, sizeof(dataX)/sizeof(dataX[0])));
layer->setLineWidth(2);
// output the chart
c->makeChart("multisymbolline.png");
//free up resources
delete c;
return 0;
}
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[])
{
// The data for the chart
double data[] = {40, 15, 7, 5, 2};
// The labels for the chart
const char *labels[] = {"Hard Disk", "PCB", "Printer", "CDROM", "Keyboard"};
// In the pareto chart, the line data are just the accumulation of the raw data,
// scaled to a range of 0 - 100%
ArrayMath lineData = ArrayMath(DoubleArray(data, sizeof(data)/sizeof(data[0])));
lineData.acc();
double scaleFactor = lineData.max() / 100;
if (scaleFactor == 0) {
// Avoid division by zero error for zero data
scaleFactor = 1;
}
lineData.div(scaleFactor);
// Create a XYChart object of size 480 x 300 pixels. Set background color to
// brushed silver, with a grey (bbbbbb) border and 2 pixel 3D raised effect. Use
// rounded corners. Enable soft drop shadow.
XYChart *c = new XYChart(400, 300, Chart::brushedSilverColor(), 0xbbbbbb, 2);
c->setRoundedFrame();
c->setDropShadow();
// Add a title to the chart using 15 points Arial Italic. Set top/bottom margins
// to 12 pixels.
TextBox *title = c->addTitle("Pareto Chart Demonstration", "ariali.ttf", 15);
title->setMargin(0, 0, 12, 12);
// Tentatively set the plotarea at (50, 40). Set the width to 100 pixels less
// than the chart width, and the height to 80 pixels less than the chart height.
// Use pale grey (f4f4f4) background, transparent border, and dark grey (444444)
// dotted grid lines.
c->setPlotArea(50, 40, c->getWidth() - 100, c->getHeight() - 80, 0xf4f4f4, -1,
Chart::Transparent, c->dashLineColor(0x444444, Chart::DotLine));
// Add a line layer for the pareto line
LineLayer *lineLayer = c->addLineLayer();
// Add the pareto line using deep blue (0000ff) as the color, with circle symbols
lineLayer->addDataSet(lineData.result(), 0x0000ff)->setDataSymbol(
Chart::CircleShape, 9, 0x0000ff, 0x0000ff);
// Set the line width to 2 pixel
lineLayer->setLineWidth(2);
// Bind the line layer to the secondary (right) y-axis.
lineLayer->setUseYAxis2();
// Add a multi-color bar layer using the given data.
BarLayer *barLayer = c->addBarLayer(DoubleArray(data,
sizeof(data)/sizeof(data[0])), IntArray(0, 0));
// Set soft lighting for the bars with light direction from the right
barLayer->setBorderColor(Chart::Transparent, Chart::softLighting(Chart::Right));
// Set the labels on the x axis.
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Set the secondary (right) y-axis scale as 0 - 100 with a tick every 20 units
c->yAxis2()->setLinearScale(0, 100, 20);
// Set the format of the secondary (right) y-axis label to include a percentage
// sign
c->yAxis2()->setLabelFormat("{value}%");
// Set the relationship between the two y-axes, which only differ by a scaling
// factor
c->yAxis()->syncAxis(c->yAxis2(), scaleFactor);
// Set the format of the primary y-axis label foramt to show no decimal point
c->yAxis()->setLabelFormat("{value|0}");
// Add a title to the primary y-axis
c->yAxis()->setTitle("Frequency");
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 10 pixels from the left edge, just below the title, 10 pixels from the right
// edge, and 20 pixels from the bottom edge.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 10, c->getHeight() - 20);
// Output the chart
c->makeChart("pareto.jpg");
//free up resources
delete c;
return 0;
}
int main(int argc, char *argv[])
{
// In this example, the data points are unevenly spaced on the x-axis
double dataY[] = {4.7, 4.7, 6.6, 2.2, 4.7, 4.0, 4.0, 5.1, 4.5, 4.5, 6.8, 4.5, 4, 2.1, 3, 2.5,
2.5, 3.1};
double dataX[] = {Chart::chartTime(1999, 7, 1), Chart::chartTime(2000, 1, 1), Chart::chartTime(
2000, 2, 1), Chart::chartTime(2000, 4, 1), Chart::chartTime(2000, 5, 8), Chart::chartTime(
2000, 7, 5), Chart::chartTime(2001, 3, 5), Chart::chartTime(2001, 4, 7), Chart::chartTime(
2001, 5, 9), Chart::chartTime(2002, 2, 4), Chart::chartTime(2002, 4, 4), Chart::chartTime(
2002, 5, 8), Chart::chartTime(2002, 7, 7), Chart::chartTime(2002, 8, 30), Chart::chartTime(
2003, 1, 2), Chart::chartTime(2003, 2, 16), Chart::chartTime(2003, 11, 6), Chart::chartTime(
2004, 1, 4)};
// Data points are assigned different symbols based on point type
double pointType[] = {0, 1, 0, 1, 2, 1, 0, 0, 1, 1, 2, 2, 1, 0, 2, 1, 2, 0};
// Create a XYChart object of size 480 x 320 pixels. Use a vertical gradient color from pale
// blue (e8f0f8) to sky blue (aaccff) spanning half the chart height as background. Set border
// to blue (88aaee). Use rounded corners. Enable soft drop shadow.
XYChart *c = new XYChart(480, 320);
c->setBackground(c->linearGradientColor(0, 0, 0, c->getHeight() / 2, 0xe8f0f8, 0xaaccff),
0x88aaee);
c->setRoundedFrame();
c->setDropShadow();
// Add a title to the chart using 15 points Arial Italic font. Set top/bottom margins to 12
// pixels.
TextBox *title = c->addTitle("Multi-Symbol Line Chart Demo", "ariali.ttf", 15);
title->setMargin(0, 0, 12, 12);
// Tentatively set the plotarea to 50 pixels from the left edge to allow for the y-axis, and to
// just under the title. Set the width to 65 pixels less than the chart width, and the height to
// reserve 90 pixels at the bottom for the x-axis and the legend box. Use pale blue (e8f0f8)
// background, transparent border, and grey (888888) dotted horizontal and vertical grid lines.
c->setPlotArea(50, title->getHeight(), c->getWidth() - 65, c->getHeight() - title->getHeight() -
90, 0xe8f0f8, -1, Chart::Transparent, c->dashLineColor(0x888888, Chart::DotLine), -1);
// Add a legend box where the bottom-center is anchored to the 12 pixels above the bottom-center
// of the chart. Use horizontal layout and 8 points Arial font.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, c->getHeight() - 12, false,
"arialbd.ttf", 8);
legendBox->setAlignment(Chart::BottomCenter);
// Set the legend box background and border to pale blue (e8f0f8) and bluish grey (445566)
legendBox->setBackground(0xe8f0f8, 0x445566);
// Use rounded corners of 5 pixel radius for the legend box
legendBox->setRoundedCorners(5);
// Set the y axis label format to display a percentage sign
c->yAxis()->setLabelFormat("{value}%");
// Set y-axis title to use 10 points Arial Bold Italic font
c->yAxis()->setTitle("Axis Title Placeholder", "arialbi.ttf", 10);
// Set axis labels to use Arial Bold font
c->yAxis()->setLabelStyle("arialbd.ttf");
c->xAxis()->setLabelStyle("arialbd.ttf");
// We add the different data symbols using scatter layers. The scatter layers are added before
// the line layer to make sure the data symbols stay on top of the line layer.
// We select the points with pointType = 0 (the non-selected points will be set to NoValue), and
// use yellow (ffff00) 15 pixels high 5 pointed star shape symbols for the points. (This example
// uses both x and y coordinates. For charts that have no x explicitly coordinates, use an empty
// array as dataX.)
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(DoubleArray(
pointType, (int)(sizeof(pointType) / sizeof(pointType[0]))), Chart::NoValue),
"Point Type 0", Chart::StarShape(5), 15, 0xffff00);
// Similar to above, we select the points with pointType - 1 = 0 and use green (ff00) 13 pixels
// high six-sided polygon as symbols.
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(sizeof(pointType) / sizeof(pointType[0])))).sub(1),
Chart::NoValue), "Point Type 1", Chart::PolygonShape(6), 13, 0x00ff00);
// Similar to above, we select the points with pointType - 2 = 0 and use red (ff0000) 13 pixels
// high X shape as symbols.
c->addScatterLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))), ArrayMath(
DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0])))).selectEQZ(ArrayMath(
DoubleArray(pointType, (int)(sizeof(pointType) / sizeof(pointType[0])))).sub(2),
Chart::NoValue), "Point Type 2", Chart::Cross2Shape(), 13, 0xff0000);
// Finally, add a blue (0000ff) line layer with line width of 2 pixels
LineLayer *layer = c->addLineLayer(DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0]))),
0x0000ff);
layer->setXData(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0]))));
layer->setLineWidth(2);
// Adjust the plot area size, such that the bounding box (inclusive of axes) is 10 pixels from
// the left edge, just below the title, 25 pixels from the right edge, and 8 pixels above the
// legend box.
c->packPlotArea(10, title->getHeight(), c->getWidth() - 25, c->layoutLegend()->getTopY() - 8);
// Output the chart
c->makeChart("multisymbolline.png");
//free up resources
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 data0[] = {42, 49, Chart::NoValue, 38, 64, 56, 29, 41, 44, 57};
double data1[] = {65, 75, 47, 34, 42, 49, 73, Chart::NoValue, 90, 69, 66, 78};
double data2[] = {Chart::NoValue, Chart::NoValue, 25, 28, 38, 20, 22,
Chart::NoValue, 25, 33, 30, 24};
const char *labels[] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug",
"Sep", "Oct", "Nov", "Dec"};
// Create a XYChart object of size 600 x 360 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners.
XYChart *c = new XYChart(600, 360, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame();
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 6 pixels.
TextBox *title = c->addTitle("Product Line Global Revenue", "timesbi.ttf", 18);
title->setMargin(0, 0, 6, 6);
// Add a separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor);
// Add a legend box where the top-center is anchored to the horizontal center of
// the chart, just under the title. Use horizontal layout and 10 points Arial
// Bold font, and transparent background and border.
LegendBox *legendBox = c->addLegend(c->getWidth() / 2, title->getHeight(), false,
"arialbd.ttf", 10);
legendBox->setAlignment(Chart::TopCenter);
legendBox->setBackground(Chart::Transparent, Chart::Transparent);
// Tentatively set the plotarea at (70, 75) and of 460 x 240 pixels in size. Use
// transparent border and black (000000) grid lines
c->setPlotArea(70, 75, 460, 240, -1, -1, Chart::Transparent, 0x000000, -1);
// Set the x axis labels
c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0])));
// Show the same scale on the left and right y-axes
c->syncYAxis();
// Set y-axis tick density to 30 pixels. ChartDirector auto-scaling will use this
// as the guideline when putting ticks on the y-axis.
c->yAxis()->setTickDensity(30);
// Set all axes to transparent
c->xAxis()->setColors(Chart::Transparent);
c->yAxis()->setColors(Chart::Transparent);
c->yAxis2()->setColors(Chart::Transparent);
// Set the x-axis margins to 15 pixels, so that the horizontal grid lines can
// extend beyond the leftmost and rightmost vertical grid lines
c->xAxis()->setMargin(15, 15);
// Set axis label style to 8pts Arial Bold
c->xAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis()->setLabelStyle("arialbd.ttf", 8);
c->yAxis2()->setLabelStyle("arialbd.ttf", 8);
// Add axis title using 10pts Arial Bold Italic font
c->yAxis()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
c->yAxis2()->setTitle("Revenue in USD millions", "arialbi.ttf", 10);
// Add the first line. The missing data will be represented as gaps in the line
// (the default behaviour)
LineLayer *layer0 = c->addLineLayer();
layer0->addDataSet(DoubleArray(data0, sizeof(data0)/sizeof(data0[0])), 0xff0000,
"Quantum Computer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer0->setLineWidth(3);
// Add the second line. The missing data will be represented by using dash lines
// to bridge the gap
LineLayer *layer1 = c->addLineLayer();
layer1->addDataSet(DoubleArray(data1, sizeof(data1)/sizeof(data1[0])), 0x00ff00,
"Atom Synthesizer")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer1->setLineWidth(3);
layer1->setGapColor(c->dashLineColor(0x00ff00));
// Add the third line. The missing data will be ignored - just join the gap with
// the original line style.
LineLayer *layer2 = c->addLineLayer();
layer2->addDataSet(DoubleArray(data2, sizeof(data2)/sizeof(data2[0])), 0xff6600,
"Proton Cannon")->setDataSymbol(Chart::GlassSphere2Shape, 11);
layer2->setLineWidth(3);
layer2->setGapColor(Chart::SameAsMainColor);
// layout the legend so we can get the height of the legend box
c->layoutLegend();
// Adjust the plot area size, such that the bounding box (inclusive of axes) is
// 15 pixels from the left edge, just under the legend box, 16 pixels from the
// right edge, and 25 pixels from the bottom edge.
c->packPlotArea(15, legendBox->getTopY() + legendBox->getHeight(), c->getWidth()
- 16, c->getHeight() - 25);
// Output the chart
c->makeChart("missingpoints.jpg");
//free up resources
delete c;
return 0;
}