V-Linear Meter Orientation

The following is the command line version of the code in "cppdemo/vlinearmeterorientation". 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 = 75.35;

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

    // This example demonstrates putting the text labels at the left or right side by setting the
    // label alignment and scale position.
    if (chartIndex == 0) {
        m->setMeter(28, 18, 20, 205, Chart::Left);
    } else {
        m->setMeter(20, 18, 20, 205, Chart::Right);
    }

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

    // Add a smooth color scale to the meter
    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);

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

    //free up resources
    delete m;

}

int main(int argc, char *argv[])
{
    createChart(0, "vlinearmeterorientation0.png");
    createChart(1, "vlinearmeterorientation1.png");
    return 0;
}