V-Bar Meter Orientation

The following is the command line version of the code in "cppdemo/vbarmeterorientation". 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;

    // Bar colors of the meters
    int barColor[] = {0x2299ff, 0x00ee00, 0xaa66ee, 0xff7711};
    const int barColor_size = (int)(sizeof(barColor)/sizeof(*barColor));

    // Create a LinearMeter object of size 70 x 240 pixels with very light grey (0xeeeeee)
    // backgruond and a grey (0xaaaaaa) 3-pixel thick rounded frame
    LinearMeter* m = new LinearMeter(70, 240, 0xeeeeee, 0xaaaaaa);
    m->setRoundedFrame(Chart::Transparent);
    m->setThickFrame(3);

    // This example demonstrates putting the text labels at the left or right side of the meter
    // scale, and putting the color scale on the same side as the labels or on opposite side.
    int alignment[] = {Chart::Left, Chart::Left, Chart::Right, Chart::Right};
    const int alignment_size = (int)(sizeof(alignment)/sizeof(*alignment));
    int meterXPos[] = {28, 38, 12, 21};
    const int meterXPos_size = (int)(sizeof(meterXPos)/sizeof(*meterXPos));
    int labelGap[] = {2, 12, 10, 2};
    const int labelGap_size = (int)(sizeof(labelGap)/sizeof(*labelGap));
    int colorScalePos[] = {53, 28, 36, 10};
    const int colorScalePos_size = (int)(sizeof(colorScalePos)/sizeof(*colorScalePos));

    // Configure the position of the meter scale and which side to put the text labels
    m->setMeter(meterXPos[chartIndex], 18, 20, 205, alignment[chartIndex]);

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

    // To put the color scale on the same side as the text labels, we need to increase the gap
    // between the labels and the meter scale to make room for the color scale
    m->setLabelPos(false, labelGap[chartIndex]);

    // Add a smooth color scale to the meter
    double smoothColorScale[] = {0, 0x0000ff, 25, 0x0088ff, 50, 0x00ff00, 75, 0xdddd00, 100,
        0xff0000};
    const int smoothColorScale_size = (int)(sizeof(smoothColorScale)/sizeof(*smoothColorScale));
    m->addColorScale(DoubleArray(smoothColorScale, smoothColorScale_size), colorScalePos[chartIndex
        ], 6);

    // Add a bar from 0 to value with glass effect and 4 pixel rounded corners
    m->addBar(0, value, barColor[chartIndex], Chart::glassEffect(Chart::NormalGlare, Chart::Left), 4
        );

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

    //free up resources
    delete m;

}

int main(int argc, char *argv[])
{
    createChart(0, "vbarmeterorientation0.png");
    createChart(1, "vbarmeterorientation1.png");
    createChart(2, "vbarmeterorientation2.png");
    createChart(3, "vbarmeterorientation3.png");
    return 0;
}