#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};
// 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};
int meterXPos[] = {28, 38, 12, 21};
int labelGap[] = {2, 12, 10, 2};
int colorScalePos[] = {53, 28, 36, 10};
// 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};
m->addColorScale(DoubleArray(smoothColorScale, (int)(sizeof(smoothColorScale) / sizeof(
smoothColorScale[0]))), 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;
} |