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| import android.annotation.TargetApi;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.os.Build;
import android.support.annotation.Nullable;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
import com.zhy.autolayout.utils.AutoUtils;
import java.util.List;
public class RatioColorBar extends View {
private boolean showBorder;
private boolean showPadding;
private int borderWidth;
private int borderColor;
private int padding;
private List<RatioBarData> colorBars;
private Paint borderPaint;
private Paint barPaint;
public RatioColorBar(Context context) {
super(context);
init(context, null);
}
public RatioColorBar(Context context, @Nullable AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public RatioColorBar(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context, attrs);
}
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
public RatioColorBar(Context context, @Nullable AttributeSet attrs, int defStyleAttr, int defStyleRes) {
super(context, attrs, defStyleAttr, defStyleRes);
init(context, attrs);
}
private void init(Context context, AttributeSet attrs) {
if (attrs != null) {
TypedArray t = context.obtainStyledAttributes(attrs, R.styleable.RatioColorBar);
showBorder = t.getBoolean(R.styleable.RatioColorBar_rcb_show_border, false);
showPadding = t.getBoolean(R.styleable.RatioColorBar_rcb_show_padding, false);
borderColor = t.getColor(R.styleable.RatioColorBar_rcb_border_color, 0xffeeeeee);
borderWidth = t.getDimensionPixelSize(R.styleable.RatioColorBar_rcb_border_width, 1);
padding = t.getDimensionPixelSize(R.styleable.RatioColorBar_rcb_border_padding, 1);
t.recycle();
} else {
showBorder = false;
showPadding = false;
borderColor = 0xffeeeeee;
borderWidth = 1;
padding = 1;
}
borderWidth = AutoUtils.getPercentWidthSize(borderWidth);
padding = AutoUtils.getPercentWidthSize(padding);
initPaints();
}
private void initPaints() {
borderPaint = new Paint();
borderPaint.setAntiAlias(true);
borderPaint.setColor(borderColor);
borderPaint.setStyle(Paint.Style.STROKE);
borderPaint.setStrokeWidth(borderWidth);
barPaint = new Paint();
barPaint.setAntiAlias(true);
barPaint.setStyle(Paint.Style.FILL);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (colorBars != null) {
int startX = 0;
int endX = getWidth();
int startY = 0;
int endY = getHeight();
if (showBorder) {
startX += borderWidth;
endX -= borderWidth;
startY += borderWidth;
endY -= borderWidth;
canvas.drawRect(startX, startY, endX, endY, borderPaint);
}
if (showPadding) {
startX += padding;
endX -= padding;
startY += padding;
endY -= padding;
}
Log.e("RRR", "sx=" + startX + ",ex=" + endX + ",sy=" + startY + ",ey=" + endY);
int dx = endX - startX;
Log.e("RRR", "dx=" + dx);
long sum = 0;
for (RatioBarData colorBar : colorBars) {
sum += colorBar.getValue();
}
Log.e("RRR", "sum=" + sum);
if (sum != 0) {
int realStartX = startX;
for (RatioBarData colorBar : colorBars) {
int color = colorBar.getColor();
int ratioWidth = (int) ((dx * (colorBar.getValue() * 1.0 / sum)) + 0.5f);
Log.e("RRR", "ratioWidth=" + ratioWidth);
barPaint.setColor(color);
Log.e("RRR", "realStartX=" + realStartX);
canvas.drawRect(realStartX, startY, realStartX + ratioWidth, endY, barPaint);
realStartX += ratioWidth;
}
}
}
}
public void setColorBars(List<RatioBarData> colorBars) {
this.colorBars = colorBars;
invalidate();
}
public static class RatioBarData {
private long value;
private int color;
public RatioBarData() {
}
public RatioBarData(long value, int color) {
this.value = value;
this.color = color;
}
public long getValue() {
return value;
}
public void setValue(long value) {
this.value = value;
}
public int getColor() {
return color;
}
public void setColor(int color) {
this.color = color;
}
}
}
|
