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Charting library for Android compatible with API 8+(Android 2.2).
package lecho.lib.hellocharts.model;
import java.util.Arrays;
import lecho.lib.hellocharts.util.ChartUtils;
import lecho.lib.hellocharts.view.Chart;
/**
* Single sub-column value for ColumnChart.
*/
public class SubcolumnValue {
private float value;
private float originValue;
private float diff;
private int color = ChartUtils.DEFAULT_COLOR;
private int darkenColor = ChartUtils.DEFAULT_DARKEN_COLOR;
private char[] label;
public SubcolumnValue() {
setValue(0);
}
public SubcolumnValue(float value) {
// point and targetPoint have to be different objects
setValue(value);
}
public SubcolumnValue(float value, int color) {
// point and targetPoint have to be different objects
setValue(value);
setColor(color);
}
public SubcolumnValue(SubcolumnValue columnValue) {
setValue(columnValue.value);
setColor(columnValue.color);
this.label = columnValue.label;
}
public void update(float scale) {
value = originValue + diff * scale;
}
public void finish() {
setValue(originValue + diff);
}
public float getValue() {
return value;
}
public SubcolumnValue setValue(float value) {
this.value = value;
this.originValue = value;
this.diff = 0;
return this;
}
/**
* Set target value that should be reached when data animation finish then call {@link Chart#startDataAnimation()}
*
* @param target
* @return
*/
public SubcolumnValue setTarget(float target) {
setValue(value);
this.diff = target - originValue;
return this;
}
public int getColor() {
return color;
}
public SubcolumnValue setColor(int color) {
this.color = color;
this.darkenColor = ChartUtils.darkenColor(color);
return this;
}
public int getDarkenColor() {
return darkenColor;
}
@Deprecated
public char[] getLabel() {
return label;
}
public char[] getLabelAsChars() {
return label;
}
@Deprecated
public SubcolumnValue setLabel(char[] label) {
this.label = label;
return this;
}
public SubcolumnValue setLabel(String label) {
this.label = label.toCharArray();
return this;
}
@Override
public String toString() {
return "ColumnValue [value=" + value + "]";
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
SubcolumnValue that = (SubcolumnValue) o;
if (color != that.color) return false;
if (darkenColor != that.darkenColor) return false;
if (Float.compare(that.diff, diff) != 0) return false;
if (Float.compare(that.originValue, originValue) != 0) return false;
if (Float.compare(that.value, value) != 0) return false;
if (!Arrays.equals(label, that.label)) return false;
return true;
}
@Override
public int hashCode() {
int result = (value != +0.0f ? Float.floatToIntBits(value) : 0);
result = 31 * result + (originValue != +0.0f ? Float.floatToIntBits(originValue) : 0);
result = 31 * result + (diff != +0.0f ? Float.floatToIntBits(diff) : 0);
result = 31 * result + color;
result = 31 * result + darkenColor;
result = 31 * result + (label != null ? Arrays.hashCode(label) : 0);
return result;
}
}