package microreader.caiyao.name.microreader.api;
import com.spd.air.R;
import android.R.integer;
import android.annotation.SuppressLint;
import android.content.Context;
import android.drm.DrmStore.RightsStatus;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.PorterDuffXfermode;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Typeface;
import android.graphics.Xfermode;
import android.graphics.PorterDuff.Mode;
import android.util.AttributeSet;
import android.util.Log;
import android.view.View;
@SuppressLint("ResourceAsColor")
public class WindView extends View {
private int tem = 0;
private static float maxTem = 35;
private Xfermode mXfermode = new PorterDuffXfermode(Mode.CLEAR);
private Paint mPaint;
private Paint temPaint;
private Paint paint;
private Paint textPaint;
// 外边框参数
int radios = 8;
// 小圆半径
int r = 2 * radios;
// 大圆半径
int height = 55;
// 外边框线条长度
int left = 15;
// 小圆中心点
int sCenterX;
int sCenterY;
// 大圆中心点
int lCenterX;
int lCenterY;
int innerSRadios = 5;
int innerLRadios = r - 4;
int innerHeight = 4 + height;
int sRadiuTem;
int lRadiuTem;
int rectTem;
private int innerLRadiuHeight;
private int color;
public WindView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init();
} private void init() {
mPaint = new Paint();
color = Color.rgb(20, 156, 225);
mPaint.setAntiAlias(true);
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(2);
mPaint.setColor(color);
paint = new Paint();
paint.setColor(color);
paint.setAntiAlias(true);
temPaint = new Paint();
temPaint.setAntiAlias(true);
temPaint.setColor(color);
textPaint=new Paint();
textPaint.setAntiAlias(true);
textPaint.setColor(Color.WHITE);
/*textPaint.setStyle(Paint.Style.STROKE);
*/
textPaint.setStrokeWidth(3);
textPaint.setTextSize(25);
sCenterX = left + radios;
sCenterY = sCenterX;
int lTop = sCenterY + height
- (r - (int) (r * Math.cos(2 * Math.PI / 360 * 30)));
lCenterX = left - radios + r;
lCenterY = lTop + r;
// 计算内部大圆最高温度，矩形最高温度，小圆最高温度；innerLRadiuHeight = innerLRadios
+ (int) (innerLRadios * Math.cos(2 * Math.PI / 360 * 30));
int innerRectHeight = innerHeight;
int innerSRadiuHeight = innerSRadios;
int innerTotalHeight = innerLRadiuHeight + innerRectHeight
+ innerSRadiuHeight;
lRadiuTem = (int) (innerLRadiuHeight * maxTem / innerTotalHeight);
sRadiuTem = (int) (innerSRadiuHeight * maxTem / innerTotalHeight);
rectTem = (int) (innerRectHeight * maxTem / innerTotalHeight);
Log.e("xlq", innerLRadiuHeight + "");
Log.e("xlq", lRadiuTem + "");
} public WindView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
} public WindView(Context context) {
this(context, null);
} @Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
// 画外边框
RectF rect = new RectF(left, left, left + radios * 2, left + radios * 2);
canvas.drawArc(rect, 0, -180, false, mPaint);
canvas.drawLine(left, sCenterY, left, sCenterY + height, mPaint);
canvas.drawLine(sCenterX + radios, sCenterY, sCenterX + radios,
sCenterY + height, mPaint);
RectF rect1 = new RectF(lCenterX - r, lCenterY - r, lCenterX + r,
lCenterY + r);
canvas.drawArc(rect1, -60, 300, false, mPaint);
// 温度int mTem = 0;
if (tem >= 0) {
paint.setColor(color);
int sc = canvas.saveLayer(lCenterX - innerLRadios, lCenterY
- innerLRadios, lCenterX + innerLRadios, lCenterY
+ innerLRadios, null, Canvas.ALL_SAVE_FLAG);
mTem = tem > lRadiuTem ? lRadiuTem : tem;
int top = lCenterY + innerLRadios
- (int) (mTem / (1.0f * lRadiuTem) * innerLRadiuHeight);
canvas.drawCircle(lCenterX, lCenterY, innerLRadios, paint);
paint.setXfermode(mXfermode);
paint.setColor(Color.TRANSPARENT);
canvas.drawRect(lCenterX - innerLRadios, lCenterY - innerLRadios,
lCenterX + innerLRadios, top, paint);
paint.setXfermode(null);
canvas.restoreToCount(sc);
}
if (tem > lRadiuTem) {mTem = tem > lRadiuTem + rectTem ? lRadiuTem + rectTem : tem;
int height = (int) ((mTem - lRadiuTem) / (1.0f * rectTem) * innerHeight);
canvas.drawRect(sCenterX - innerSRadios, sCenterY + innerHeight
- height, sCenterX + innerSRadios, sCenterY + innerHeight,
temPaint);
}if (tem > lRadiuTem + rectTem) {
paint.setColor(color);
int sc = canvas.saveLayer(sCenterX - innerSRadios, sCenterY
- innerSRadios, sCenterX + innerSRadios, sCenterY
+ innerSRadios, null, Canvas.ALL_SAVE_FLAG);
mTem = (int) (tem > maxTem ? maxTem : tem);
int bottom = (int) ((mTem - rectTem - lRadiuTem)
/ (sRadiuTem * 1.0f) * innerSRadios);
canvas.drawCircle(sCenterX, sCenterY, innerSRadios, paint);
paint.setXfermode(mXfermode);
paint.setColor(Color.TRANSPARENT);
canvas.drawRect(sCenterX - innerSRadios, sCenterY - innerSRadios,
sCenterX + innerSRadios, innerSRadios - bottom, paint);
paint.setXfermode(null);
canvas.restoreToCount(sc);
}//字
canvas.drawText(tem+" ℃", sCenterX+innerLRadios+4, sCenterY+innerSRadios*2+8, textPaint);
} public void setTemperature(int temperature) {
tem = temperature;
this.invalidate();
}}
效果图：
文章图片
【自定义View|自定义View之温度计】
