int main(int argc, char *argv[]) { // The data for the area chart double data[] = {3.0, 2.8, 4.0, 5.5, 7.5, 6.8, 5.4, 6.0, 5.0, 6.2, 7.5, 6.5, 7.5, 8.1, 6.0, 5.5, 5.3, 3.5, 5.0, 6.6, 5.6, 4.8, 5.2, 6.5, 6.2}; // 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 300 x 180 pixels. Set the background to pale // yellow (0xffffa0) with a black border (0x0) XYChart *c = new XYChart(300, 180, 0xffffa0, 0x000000); // Set the plotarea at (45, 35) and of size 240 x 120 pixels. Set the background // to white (0xffffff). Set both horizontal and vertical grid lines to black // (&H0&) dotted lines (pattern code 0x0103) c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, c->dashLineColor(0x000000, 0x000103), c->dashLineColor(0x000000, 0x000103)); // Add a title to the chart using 10 pts Arial Bold font. Use a 1 x 2 bitmap // pattern as the background. Set the border to black (0x0). int pattern1[] = {0xb0b0f0, 0xe0e0ff}; c->addTitle("Snow Percipitation (Dec 12)", "arialbd.ttf", 10)->setBackground( c->patternColor(IntArray(pattern1, sizeof(pattern1)/sizeof(pattern1[0])), 2), 0x000000); // Add a title to the y axis c->yAxis()->setTitle("mm per hour"); // 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 an area layer to the chart AreaLayer *layer = c->addAreaLayer(); // Load a snow pattern from an external file "snow.png". int snowPattern = c->patternColor("snow.png"); // Add a data set to the area layer using the snow pattern as the fill color. Use // deep blue (0x0000ff) as the area border line color (&H0000ff&) layer->addDataSet(DoubleArray(data, sizeof(data)/sizeof(data[0])))->setDataColor( snowPattern, 0x0000ff); // Set the line width to 2 pixels to highlight the line layer->setLineWidth(2); // output the chart c->makeChart("patternarea.png"); //free up resources delete c; return 0; }
int main(int argc, char *argv[]) { // The data for the line chart double data0[] = {60.2, 51.7, 81.3, 48.6, 56.2, 68.9, 52.8}; double data1[] = {30.0, 32.7, 33.9, 29.5, 32.2, 28.4, 29.8}; const char *labels[] = {"Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat"}; // Create a XYChart object of size 300 x 180 pixels, with a pale yellow (0xffffc0) background, a // black border, and 1 pixel 3D border effect. XYChart *c = new XYChart(300, 180, 0xffffc0, 0x000000, 1); // Set the plotarea at (45, 35) and of size 240 x 120 pixels, with white background. Turn on // both horizontal and vertical grid lines with light grey color (0xc0c0c0) c->setPlotArea(45, 35, 240, 120, 0xffffff, -1, -1, 0xc0c0c0, -1); // Add a legend box at (45, 12) (top of the chart) using horizontal layout and 8pt Arial font // Set the background and border color to Transparent. c->addLegend(45, 12, false, "", 8)->setBackground(Chart::Transparent); // Add a title to the chart using 9pt Arial Bold/white font. Use a 1 x 2 bitmap pattern as the // background. int pattern1[] = {0x004000, 0x008000}; c->addTitle("Server Load (Jun 01 - Jun 07)", "arialbd.ttf", 9, 0xffffff)->setBackground( c->patternColor(IntArray(pattern1, (int)(sizeof(pattern1) / sizeof(pattern1[0]))), 2)); // Set the y axis label format to nn% c->yAxis()->setLabelFormat("{value}%"); // Set the labels on the x axis c->xAxis()->setLabels(StringArray(labels, (int)(sizeof(labels) / sizeof(labels[0])))); // Add a line layer to the chart LineLayer *layer = c->addLineLayer(); // Add the first line. Plot the points with a 7 pixel square symbol layer->addDataSet(DoubleArray(data0, (int)(sizeof(data0) / sizeof(data0[0]))), 0xcf4040, "Peak" )->setDataSymbol(Chart::SquareSymbol, 7); // Add the second line. Plot the points with a 9 pixel dismond symbol layer->addDataSet(DoubleArray(data1, (int)(sizeof(data1) / sizeof(data1[0]))), 0x40cf40, "Average")->setDataSymbol(Chart::DiamondSymbol, 9); // Enable data label on the data points. Set the label format to nn%. layer->setDataLabelFormat("{value|0}%"); // Output the chart c->makeChart("symbolline.png"); //free up resources delete c; return 0; }
int main(int argc, char *argv[]) { // the names of the tasks const char *labels[] = {"Market Research", "Define Specifications", "Overall Archiecture", "Project Planning", "Detail Design", "Software Development", "Test Plan", "Testing and QA", "User Documentation"}; // the planned start dates and end dates for the tasks double startDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 30), chartTime( 2004, 9, 13), chartTime(2004, 9, 20), chartTime(2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 25), chartTime(2004, 11, 1), chartTime(2004, 11, 8)}; double endDate[] = {chartTime(2004, 8, 30), chartTime(2004, 9, 13), chartTime( 2004, 9, 27), chartTime(2004, 10, 4), chartTime(2004, 10, 11), chartTime( 2004, 11, 8), chartTime(2004, 11, 8), chartTime(2004, 11, 22), chartTime( 2004, 11, 22)}; // the actual start dates and end dates for the tasks up to now double actualStartDate[] = {chartTime(2004, 8, 16), chartTime(2004, 8, 27), chartTime(2004, 9, 9), chartTime(2004, 9, 18), chartTime(2004, 9, 22)}; double actualEndDate[] = {chartTime(2004, 8, 27), chartTime(2004, 9, 9), chartTime(2004, 9, 27), chartTime(2004, 10, 2), chartTime(2004, 10, 8)}; // Create a XYChart object of size 620 x 280 pixels. Set background color to // light green (ccffcc) with 1 pixel 3D border effect. XYChart *c = new XYChart(620, 280, 0xccffcc, 0x000000, 1); // Add a title to the chart using 15 points Times Bold Itatic font, with white // (ffffff) text on a dark green (0x6000) background c->addTitle("Mutli-Layer Gantt Chart Demo", "timesbi.ttf", 15, 0xffffff )->setBackground(0x006000); // Set the plotarea at (140, 55) and of size 460 x 200 pixels. Use alternative // white/grey background. Enable both horizontal and vertical grids by setting // their colors to grey (c0c0c0). Set vertical major grid (represents month // boundaries) 2 pixels in width c->setPlotArea(140, 55, 460, 200, 0xffffff, 0xeeeeee, Chart::LineColor, 0xc0c0c0, 0xc0c0c0)->setGridWidth(2, 1, 1, 1); // swap the x and y axes to create a horziontal box-whisker chart c->swapXY(); // Set the y-axis scale to be date scale from Aug 16, 2004 to Nov 22, 2004, with // ticks every 7 days (1 week) c->yAxis()->setDateScale(chartTime(2004, 8, 16), chartTime(2004, 11, 22), 86400 * 7); // Add a red (ff0000) dash line to represent the current day c->yAxis()->addMark(chartTime(2004, 10, 8), c->dashLineColor(0xff0000, Chart::DashLine)); // Set multi-style axis label formatting. Month labels are in Arial Bold font in // "mmm d" format. Weekly labels just show the day of month and use minor tick // (by using '-' as first character of format string). c->yAxis()->setMultiFormat(Chart::StartOfMonthFilter(), "<*font=arialbd.ttf*>{value|mmm d}", Chart::StartOfDayFilter(), "-{value|d}") ; // Set the y-axis to shown on the top (right + swapXY = top) c->setYAxisOnRight(); // Set the labels on the x axis c->xAxis()->setLabels(StringArray(labels, sizeof(labels)/sizeof(labels[0]))); // Reverse the x-axis scale so that it points downwards. c->xAxis()->setReverse(); // Set the horizontal ticks and grid lines to be between the bars c->xAxis()->setTickOffset(0.5); // Use blue (0000aa) as the color for the planned schedule int plannedColor = 0x0000aa; // Use a red hash pattern as the color for the actual dates. The pattern is // created as a 4 x 4 bitmap defined in memory as an array of colors. int pattern1[] = {0xffffff, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xff0000, 0xffffff, 0xffffff, 0xffffff}; int actualColor = c->patternColor(IntArray(pattern1, sizeof(pattern1)/sizeof(pattern1[0])), 4); // Add a box whisker layer to represent the actual dates. We add the actual dates // layer first, so it will be the top layer. BoxWhiskerLayer *actualLayer = c->addBoxLayer(DoubleArray(actualStartDate, sizeof(actualStartDate)/sizeof(actualStartDate[0])), DoubleArray( actualEndDate, sizeof(actualEndDate)/sizeof(actualEndDate[0])), actualColor, "Actual"); // Set the bar height to 8 pixels so they will not block the bottom bar actualLayer->setDataWidth(8); // Add a box-whisker layer to represent the planned schedule date c->addBoxLayer(DoubleArray(startDate, sizeof(startDate)/sizeof(startDate[0])), DoubleArray(endDate, sizeof(endDate)/sizeof(endDate[0])), plannedColor, "Planned")->setBorderColor(Chart::SameAsMainColor); // Add a legend box on the top right corner (595, 60) of the plot area with 8 pt // Arial Bold font. Use a semi-transparent grey (80808080) background. LegendBox *b = c->addLegend(595, 60, false, "arialbd.ttf", 8); b->setAlignment(Chart::TopRight); b->setBackground(0x80808080, -1, 2); // output the chart c->makeChart("layergantt.png"); //free up resources delete c; return 0; }