int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {21, 18, 15, 12, 8, 24};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Facilities", "Production"};
// The colors to use for the sectors
int colors[] = {0x66aaee, 0xeebb22, 0xbbbbbb, 0x8844ff, 0xdd2222, 0x009900};
// Create a PieChart object of size 600 x 320 pixels. Use a vertical gradient color from light
// blue (99ccff) to white (ffffff) spanning the top 100 pixels as background. Set border to grey
// (888888). Use rounded corners. Enable soft drop shadow.
PieChart *c = new PieChart(600, 320);
c->setBackground(c->linearGradientColor(0, 0, 0, 100, 0x99ccff, 0xffffff), 0x888888);
c->setRoundedFrame();
c->setDropShadow();
// Add a title using 18pt Times New Roman Bold Italic font. Add 16 pixels top margin to the
// title.
c->addTitle("Pie Chart With Legend Demonstration", "timesbi.ttf", 18)->setMargin(0, 0, 16, 0);
// Set the center of the pie at (160, 165) and the radius to 110 pixels
c->setPieSize(160, 165, 110);
// Draw the pie in 3D with a pie thickness of 25 pixels
c->set3D(25);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), StringArray(labels, (int)(
sizeof(labels) / sizeof(labels[0]))));
// Set the sector colors
c->setColors(Chart::DataColor, IntArray(colors, (int)(sizeof(colors) / sizeof(colors[0]))));
// Use local gradient shading for the sectors
c->setSectorStyle(Chart::LocalGradientShading);
// Use the side label layout method, with the labels positioned 16 pixels from the pie bounding
// box
c->setLabelLayout(Chart::SideLayout, 16);
// Show only the sector number as the sector label
c->setLabelFormat("{={sector}+1}");
// Set the sector label style to Arial Bold 10pt, with a dark grey (444444) border
c->setLabelStyle("arialbd.ttf", 10)->setBackground(Chart::Transparent, 0x444444);
// Add a legend box, with the center of the left side anchored at (330, 175), and using 10pt
// Arial Bold Italic font
LegendBox *b = c->addLegend(330, 175, true, "arialbi.ttf", 10);
b->setAlignment(Chart::Left);
// Set the legend box border to dark grey (444444), and with rounded conerns
b->setBackground(Chart::Transparent, 0x444444);
b->setRoundedCorners();
// Set the legend box margin to 16 pixels, and the extra line spacing between the legend entries
// as 5 pixels
b->setMargin(16);
b->setKeySpacing(0, 5);
// Set the legend box icon to have no border (border color same as fill color)
b->setKeyBorder(Chart::SameAsMainColor);
// Set the legend text to show the sector number, followed by a 120 pixels wide block showing
// the sector label, and a 40 pixels wide block showing the percentage
b->setText(
"<*block,valign=top*>{={sector}+1}.<*advanceTo=22*><*block,width=120*>{label}<*/*>"
"<*block,width=40,halign=right*>{percent}<*/*>%");
// Output the chart
c->makeChart("legendpie2.png");
//free up resources
delete c;
return 0;
}
//Pyramid 金字塔
QWidget * Widget::addPyramid()
{
// The data for the pyramid chart
double data[] = {156, 123, 211, 179};
// The labels for the pyramid chart
const char *labels[] = {"Funds", "Bonds", "Stocks", "Cash"};
// Create a PyramidChart object of size 360 x 360 pixels
PyramidChart *c = new PyramidChart(800, 800);
// Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
// c->setPyramidSize(180, 180, 150, 300);//设置金字塔
c->setConeSize(280, 180, 150, 300);//设置圆柱形
// Set the funnel center at (200, 210), and width x height to 150 x 300 pixels
// c->setFunnelSize(200, 210, 150, 300);//设置漏斗形状
// Set the pyramid data and labels
c->setData(DoubleArray(data, (int)(sizeof(data) / sizeof(data[0]))), StringArray(labels, (int)(
sizeof(labels) / sizeof(labels[0]))));
// Add labels at the center of the pyramid layers using Arial Bold font. The labels will have
// two lines showing the layer name and percentage.
c->setCenterLabel("{label}\n{percent}%", "arialbd.ttf");
// Set the elevation to 30 degrees.rotate 70
c->setViewAngle(30,70);
// The colors for the pyramid layers
int colors[] = {0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff};
// Set the layer colors to the given colors
c->setColors(Chart::DataColor, IntArray(colors, (int)(sizeof(colors) / sizeof(colors[0]))));
// Leave 1% gaps between layers
c->setLayerGap(0.01);
// Add labels at the center of the pyramid layers using Arial Bold font. The labels will show
// the percentage of the layers.
c->setCenterLabel("{percent}%", "arialbd.ttf");
// Add labels at the right side of the pyramid layers using Arial Bold font. The labels will
// have two lines showing the layer name and value.
c->setRightLabel("{label}\nUS$ {value}M", "arialbd.ttf");
//addBox
LegendBox *legendBox = c->addLegend(600, 60);
legendBox->setBackground(0xeeeeee, 0x888888);
legendBox->setRoundedCorners(10, 0, 10, 0);
// Add labels at the center of the pyramid layers using Arial Bold font. The labels will show
// the percentage of the layers.
c->setCenterLabel("{percent}%", "arialbd.ttf");
// Output the chart
c->makeChart("simplepyramid.png");
QWidget * _widget= new QWidget();
QChartViewer * _v= new QChartViewer(_widget);
_v->setChart(c);
return _widget;
}
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;
}
int main(int argc, char *argv[])
{
// The data for the pie chart
double data[] = {25, 18, 15, 12, 8, 30, 35};
// The labels for the pie chart
const char *labels[] = {"Labor", "Licenses", "Taxes", "Legal", "Insurance",
"Facilities", "Production"};
// Create a PieChart object of size 600 x 320 pixels. Set background color to
// brushed silver, with a 2 pixel 3D border. Use rounded corners of 20 pixels
// radius.
PieChart *c = new PieChart(600, 320, Chart::brushedSilverColor(),
Chart::Transparent, 2);
c->setRoundedFrame(0xffffff, 20);
// Add a title using 18 pts Times New Roman Bold Italic font. #Set top/bottom
// margins to 8 pixels.
TextBox *title = c->addTitle("Donut Chart Demonstration", "timesbi.ttf", 18);
title->setMargin(0, 0, 8, 8);
// Add a 2 pixels wide separator line just under the title
c->addLine(10, title->getHeight(), c->getWidth() - 11, title->getHeight(),
Chart::LineColor, 2);
// Set donut center at (160, 175), and outer/inner radii as 110/55 pixels
c->setDonutSize(160, 175, 110, 55);
// Set the pie data and the pie labels
c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
sizeof(labels)/sizeof(labels[0])));
// Use ring shading effect for the sectors
c->setSectorStyle(Chart::RingShading);
// Use the side label layout method, with the labels positioned 16 pixels from
// the donut bounding box
c->setLabelLayout(Chart::SideLayout, 16);
// Show only the sector number as the sector label
c->setLabelFormat("{={sector}+1}");
// Set the sector label style to Arial Bold 10pt, with a dark grey (444444)
// border
c->setLabelStyle("arialbd.ttf", 10)->setBackground(Chart::Transparent, 0x444444);
// Add a legend box, with the center of the left side anchored at (330, 175), and
// using 10 pts Arial Bold Italic font
LegendBox *b = c->addLegend(330, 175, true, "arialbi.ttf", 10);
b->setAlignment(Chart::Left);
// Set the legend box border to dark grey (444444), and with rounded conerns
b->setBackground(Chart::Transparent, 0x444444);
b->setRoundedCorners();
// Set the legend box margin to 16 pixels, and the extra line spacing between the
// legend entries as 5 pixels
b->setMargin(16);
b->setKeySpacing(0, 5);
// Set the legend text to show the sector number, followed by a 120 pixels wide
// block showing the sector label, and a 40 pixels wide block showing the
// percentage
b->setText(
"<*block,valign=top*>{={sector}+1}.<*advanceTo=22*><*block,width=120*>"
"{label}<*/*><*block,width=40,halign=right*>{percent}<*/*>%");
// Output the chart
c->makeChart("donut.jpg");
//free up resources
delete c;
return 0;
}
