Application breaks when resistance is set to 0 ohms

This commit is contained in:
bancika
2012-03-04 15:09:12 +00:00
parent 4f113f032d
commit 6ca16d07e6
@@ -32,36 +32,56 @@ public class Resistance extends AbstractMeasure<ResistanceUnit> {
public Color[] getColorCode(ResistorColorCode resistorColorCode) {
Color[] bands;
double base = getValue() * getUnit().getFactor();
int multiplier = 0;
while (base > (resistorColorCode == ResistorColorCode._4_BAND ? 99 : 999)) {
multiplier += 1;
base /= 10;
}
while (base < (resistorColorCode == ResistorColorCode._4_BAND ? 10 : 100)) {
multiplier -= 1;
base *= 10;
}
if (multiplier > 6 || multiplier < -2) {
// Out of range.
return new Color[] {};
}
switch (resistorColorCode) {
case _4_BAND:
bands = new Color[3];
bands[0] = COLOR_DIGITS[(int) (base / 10)];
bands[1] = COLOR_DIGITS[(int) (base % 10)];
bands[2] = COLOR_MULTIPLIER[multiplier + 2];
break;
case _5_BAND:
bands = new Color[4];
bands[0] = COLOR_DIGITS[(int) (base / 100)];
bands[1] = COLOR_DIGITS[(int) (base / 10 % 10)];
bands[2] = COLOR_DIGITS[(int) (base % 10)];
bands[3] = COLOR_MULTIPLIER[multiplier + 2];
break;
default:
bands = new Color[] {};
if (getValue() == 0) {
switch (resistorColorCode) {
case _4_BAND:
bands = new Color[3];
bands[0] = COLOR_DIGITS[0];
bands[1] = COLOR_DIGITS[0];
bands[2] = COLOR_MULTIPLIER[2];
break;
case _5_BAND:
bands = new Color[4];
bands[0] = COLOR_DIGITS[0];
bands[1] = COLOR_DIGITS[0];
bands[2] = COLOR_DIGITS[0];
bands[3] = COLOR_MULTIPLIER[2];
break;
default:
bands = new Color[] {};
}
} else {
double base = getValue() * getUnit().getFactor();
int multiplier = 0;
while (base > (resistorColorCode == ResistorColorCode._4_BAND ? 99 : 999)) {
multiplier += 1;
base /= 10;
}
while (base < (resistorColorCode == ResistorColorCode._4_BAND ? 10 : 100)) {
multiplier -= 1;
base *= 10;
}
if (multiplier > 6 || multiplier < -2) {
// Out of range.
return new Color[] {};
}
switch (resistorColorCode) {
case _4_BAND:
bands = new Color[3];
bands[0] = COLOR_DIGITS[(int) (base / 10)];
bands[1] = COLOR_DIGITS[(int) (base % 10)];
bands[2] = COLOR_MULTIPLIER[multiplier + 2];
break;
case _5_BAND:
bands = new Color[4];
bands[0] = COLOR_DIGITS[(int) (base / 100)];
bands[1] = COLOR_DIGITS[(int) (base / 10 % 10)];
bands[2] = COLOR_DIGITS[(int) (base % 10)];
bands[3] = COLOR_MULTIPLIER[multiplier + 2];
break;
default:
bands = new Color[] {};
}
}
return bands;
}