int main(int argc, char *argv[]) { // The x and y coordinates of the grid double dataX[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; double dataY[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10}; // Use random numbers for the z values on the XY grid RanSeries *r = new RanSeries(999); DoubleArray dataZ = r->get2DSeries((int)(sizeof(dataX) / sizeof(dataX[0])), (int)(sizeof(dataY) / sizeof(dataY[0])), -0.9, 1.15); // Create a XYChart object of size 640 x 460 pixels XYChart *c = new XYChart(640, 460); // Set the plotarea at (30, 25) and of size 400 x 400 pixels. Use semi-transparent grey // (0xdd000000) horizontal and vertical grid lines c->setPlotArea(50, 25, 400, 400, -1, -1, Chart::Transparent, 0xdd000000, -1); // Set the x and y axis stems to transparent and the label font to 12pt Arial c->xAxis()->setColors(Chart::Transparent); c->yAxis()->setColors(Chart::Transparent); c->xAxis()->setLabelStyle("arial.ttf", 12); c->yAxis()->setLabelStyle("arial.ttf", 12); // Set the x-axis and y-axis scale c->xAxis()->setLinearScale(0, 10, 1); c->yAxis()->setLinearScale(0, 10, 1); // Add a contour layer using the given data ContourLayer *layer = c->addContourLayer(DoubleArray(dataX, (int)(sizeof(dataX) / sizeof(dataX[0 ]))), DoubleArray(dataY, (int)(sizeof(dataY) / sizeof(dataY[0]))), dataZ); // Move the grid lines in front of the contour layer c->getPlotArea()->moveGridBefore(layer); // Define the color scale double colorScale[] = {-0.8, 0x0066ff, -0.5, 0x66ccff, -0.3, 0x66ffff, 0, 0x88ff88, 0.4, 0x00ff00, 0.7, 0xffff00, 0.9, 0xff6600, 1.0, 0xcc0000, 1.1}; // Apply the color scale, and specify the underflow and overflow colors for regions exceeding // the color scale layer->colorAxis()->setColorScale(DoubleArray(colorScale, (int)(sizeof(colorScale) / sizeof( colorScale[0]))), 0x0000cc, 0x000000); // // Instead of displaying the color axis, we use a legend box to display the colors. This is // useful for colors that are unevenly spaced on the color axis. // // Add a legend box at (460, 25) with vertical layout, with 12pt Arial font, transparent // background and border, icon size of 15 x 15 pixels, and line spacing of 8 pixels. LegendBox *b = c->addLegend(460, 25, true, "arial.ttf", 12); b->setBackground(Chart::Transparent, Chart::Transparent); b->setKeySize(15, 15); b->setKeySpacing(0, 8); // Add the legend box entries b->addKey("> 1.1 (Critical)", 0x000000); b->addKey("1.0 to 1.1 (Alert)", 0xcc0000); b->addKey("0.9 to 1.0", 0xff6600); b->addKey("0.7 to 0.9", 0xffff00); b->addKey("0.4 to 0.7", 0x00ff00); b->addKey("0.0 to 0.4", 0x88ff88); b->addKey("-0.3 to 0.0", 0x66ffff); b->addKey("-0.5 to -0.3", 0x66ccff); b->addKey("-0.8 to -0.5", 0x0066ff); b->addKey("< -0.8", 0x0000cc); // Output the chart c->makeChart("contourlegend.png"); //free up resources delete r; delete c; return 0; }
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; }
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; }