int main(int argc, char *argv[])
{
    // The data for the pie chart
    double data[] = {18, 45, 28};

    // The labels for the pie chart
    const char *labels[] = {"Marble", "Wood", "Granite"};

    // The icons for the sectors
    const char *texture[] = {"marble3.png", "wood.png", "rock.png"};

    // Create a PieChart object of size 400 x 330 pixels, with a metallic green
    // (88EE88) background, black border and 1 pixel 3D border effect
    PieChart *c = new PieChart(400, 330, Chart::metalColor(0x88ee88), 0x000000, 1);

    // Set donut center at (200, 160), and outer/inner radii as 120/60 pixels
    c->setDonutSize(200, 160, 120, 60);

    // Add a title box using 15 pts Times Bold Italic font and metallic deep green
    // (008000) background color
    c->addTitle("Material Composition", "timesbi.ttf", 15)->setBackground(
        Chart::metalColor(0x008000));

    // Set the pie data and the pie labels
    c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
        sizeof(labels)/sizeof(labels[0])));

    // Set the colors of the sectors to the 3 texture patterns
    c->setColor(Chart::DataColor + 0, c->patternColor(texture[0]));
    c->setColor(Chart::DataColor + 1, c->patternColor(texture[1]));
    c->setColor(Chart::DataColor + 2, c->patternColor(texture[2]));

    // Draw the pie in 3D with a 3D depth of 30 pixels
    c->set3D(30);

    // Use 12 pts Arial Bold Italic as the sector label font
    c->setLabelStyle("arialbi.ttf", 12);

    // Output the chart
    c->makeChart("texturedonut.png");

    //free up resources
    delete c;
    return 0;
}
Exemplo n.º 2
0
Arquivo: colorpie.cpp Projeto: vopl/sp
void createChart(int img, const char *filename)
{
    // 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"};

    // Colors of the sectors if custom coloring is used
    int colors[] = {0xb8bc9c, 0xecf0b9, 0x999966, 0x333366, 0xc3c3e6, 0x594330,
        0xa0bdc4};

    // Create a PieChart object of size 280 x 240 pixels
    PieChart *c = new PieChart(280, 240);

    // Set the center of the pie at (140, 120) and the radius to 80 pixels
    c->setPieSize(140, 120, 80);

    // Draw the pie in 3D
    c->set3D();

    // Set the coloring schema
    if (img == 0) {
        c->addTitle("Custom Colors");
        // set the LineColor to light gray
        c->setColor(Chart::LineColor, 0xc0c0c0);
        // use given color array as the data colors (sector colors)
        c->setColors(Chart::DataColor, IntArray(colors,
            sizeof(colors)/sizeof(colors[0])));
    } else if (img == 1) {
        c->addTitle("Dark Background Colors");
        // use the standard white on black palette
        c->setColors(Chart::whiteOnBlackPalette);
    } else if (img == 2) {
        c->addTitle("Wallpaper As Background");
        c->setWallpaper("bg.png");
    } else {
        c->addTitle("Transparent Colors");
        c->setWallpaper("bg.png");
        // use semi-transparent colors to allow the background to be seen
        c->setColors(Chart::transparentPalette);
    }

    // Set the pie data and the pie labels
    c->setData(DoubleArray(data, sizeof(data)/sizeof(data[0])), StringArray(labels,
        sizeof(labels)/sizeof(labels[0])));

    // Explode the 1st sector (index = 0)
    c->setExplode(0);

    // output the chart
    c->makeChart(filename);

    //free up resources
    delete c;
}