H-Linear Meter Orientation

The following is the command line version of the code in "cppdemo/hlinearmeterorientation". The MFC version of the code is in "mfcdemo/mfcdemo". The Qt Widgets version of the code is in "qtdemo/qtdemo". The QML/Qt Quick version of the code is in "qmldemo/qmldemo".
#include "chartdir.h"

void createChart(int chartIndex, const char *filename)
{
    // The value to display on the meter
    double value = 74.25;

    // Create a LinearMeter object of size 250 x 75 pixels with very light grey (0xeeeeee)
    // backgruond and a light grey (0xccccccc) 3-pixel thick rounded frame
    LinearMeter* m = new LinearMeter(250, 75, 0xeeeeee, 0xcccccc);
    m->setRoundedFrame(Chart::Transparent);
    m->setThickFrame(3);

    // This example demonstrates putting the text labels at the top or bottom. This is by setting
    // the label alignment, scale position and label position.
    int alignment[] = {Chart::Top, Chart::Top, Chart::Bottom, Chart::Bottom};
    const int alignment_size = (int)(sizeof(alignment)/sizeof(*alignment));
    int meterYPos[] = {23, 23, 34, 34};
    const int meterYPos_size = (int)(sizeof(meterYPos)/sizeof(*meterYPos));
    int labelYPos[] = {61, 61, 15, 15};
    const int labelYPos_size = (int)(sizeof(labelYPos)/sizeof(*labelYPos));

    // Set the scale region
    m->setMeter(14, meterYPos[chartIndex], 218, 20, alignment[chartIndex]);

    // Set meter scale from 0 - 100, with a tick every 10 units
    m->setScale(0, 100, 10);

    // Add a smooth color scale at the default position
    double smoothColorScale[] = {0, 0x6666ff, 25, 0x00bbbb, 50, 0x00ff00, 75, 0xffff00, 100,
        0xff0000};
    const int smoothColorScale_size = (int)(sizeof(smoothColorScale)/sizeof(*smoothColorScale));
    m->addColorScale(DoubleArray(smoothColorScale, smoothColorScale_size));

    // Add a blue (0x0000cc) pointer at the specified value
    m->addPointer(value, 0x0000cc);

    //
    // In this example, some charts have the "Temperauture" label on the left side and the value
    // readout on the right side, and some charts have the reverse
    //

    if (chartIndex % 2 == 0) {
        // Add a label on the left side using 8pt Arial Bold font
        m->addText(10, labelYPos[chartIndex], "Temperature C", "Arial Bold", 8, Chart::TextColor,
            Chart::Left);

        // Add a text box on the right side. Display the value using white (0xffffff) 8pt Arial Bold
        // font on a black (0x000000) background with depressed rounded border.
        TextBox* t = m->addText(235, labelYPos[chartIndex], m->formatValue(value, "2"),
            "Arial Bold", 8, 0xffffff, Chart::Right);
        t->setBackground(0x000000, 0x000000, -1);
        t->setRoundedCorners(3);
    } else {
        // Add a label on the right side using 8pt Arial Bold font
        m->addText(237, labelYPos[chartIndex], "Temperature C", "Arial Bold", 8, Chart::TextColor,
            Chart::Right);

        // Add a text box on the left side. Display the value using white (0xffffff) 8pt Arial Bold
        // font on a black (0x000000) background with depressed rounded border.
        TextBox* t = m->addText(11, labelYPos[chartIndex], m->formatValue(value, "2"), "Arial Bold",
            8, 0xffffff, Chart::Left);
        t->setBackground(0x000000, 0x000000, -1);
        t->setRoundedCorners(3);
    }

    // Output the chart
    m->makeChart(filename);

    //free up resources
    delete m;

}

int main(int argc, char *argv[])
{
    createChart(0, "hlinearmeterorientation0.png");
    createChart(1, "hlinearmeterorientation1.png");
    createChart(2, "hlinearmeterorientation2.png");
    createChart(3, "hlinearmeterorientation3.png");
    return 0;
}