#include "chartdir.h"
void createChart(int img, const char *filename)
{
// The value to display on the meter
double value = 6.5;
// Create an AugularMeter object of size 200 x 100 pixels with rounded corners
AngularMeter *m = new AngularMeter(200, 100);
m->setRoundedFrame();
// Set meter background according to a parameter
if (img == 0) {
// Use gold background color
m->setBackground(Chart::goldColor(), 0x000000, -2);
} else if (img == 1) {
// Use silver background color
m->setBackground(Chart::silverColor(), 0x000000, -2);
} else if (img == 2) {
// Use metallic blue (9898E0) background color
m->setBackground(Chart::metalColor(0x9898e0), 0x000000, -2);
} else if (img == 3) {
// Use a wood pattern as background color
m->setBackground(m->patternColor("wood.png"), 0x000000, -2);
} else if (img == 4) {
// Use a marble pattern as background color
m->setBackground(m->patternColor("marble.png"), 0x000000, -2);
} else {
// Use a solid light purple (EEBBEE) background color
m->setBackground(0xeebbee, 0x000000, -2);
}
// Set the meter center at (100, 235), with radius 210 pixels, and span from -24
// to +24 degress
m->setMeter(100, 235, 210, -24, 24);
// Meter scale is 0 - 100, with a tick every 1 unit
m->setScale(0, 10, 1);
// Set 0 - 6 as green (99ff99) zone, 6 - 8 as yellow (ffff00) zone, and 8 - 10 as
// red (ff3333) zone
m->addZone(0, 6, 0x99ff99, 0x808080);
m->addZone(6, 8, 0xffff00, 0x808080);
m->addZone(8, 10, 0xff3333, 0x808080);
// Add a title at the bottom of the meter using 10 pts Arial Bold font
m->addTitle(Chart::Bottom, "OUTPUT POWER LEVEL\n", "arialbd.ttf", 10);
// Add a semi-transparent black (80000000) pointer at the specified value
m->addPointer(value, 0x80000000);
// Output the chart
m->makeChart(filename);
//free up resources
delete m;
}
int main(int argc, char *argv[])
{
createChart(0, "wideameter0.png");
createChart(1, "wideameter1.png");
createChart(2, "wideameter2.png");
createChart(3, "wideameter3.png");
createChart(4, "wideameter4.png");
createChart(5, "wideameter5.png");
return 0;
} |