package com.dayu.recharge.view;
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import android.content.Context;
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import android.graphics.Canvas;
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import android.graphics.Color;
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import android.graphics.Paint;
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import android.graphics.Rect;
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import android.os.Handler;
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import android.util.AttributeSet;
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import android.util.Log;
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import android.view.Display;
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import android.view.View;
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import android.view.WindowManager;
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import com.dayu.recharge.R;
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/**
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* 视频取景器控件
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*
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* @author fangcm 2012-09-06
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*/
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public class ViewfinderView extends View {
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private int width, height;
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private Paint paint;
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private Context mContext;
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private int mWidth, mHeight;
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private float lineLeft, lineRight, lineTop, lineBottom;
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private int lineModel = 0;
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private float marginW = 0f;
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private float marginH = 0f;
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private float marginT = 0f;
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private int dLineWidth = 12;
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private int dLen = 60;
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private int m_nImageWidth;
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private int m_nImageHeight;
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boolean l = false, r = false, t = false, b = false, L = false;
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public ViewfinderView(Context context, AttributeSet attrs) {
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super(context, attrs);
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// TODO Auto-generated constructor stub
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this.mContext = context;
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}
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public ViewfinderView(Context context) {
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super(context);
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// TODO Auto-generated constructor stub
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this.mContext = context;
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}
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public ViewfinderView(Context context, AttributeSet attrs, int defStyle) {
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super(context, attrs, defStyle);
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// TODO Auto-generated constructor stub
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this.mContext = context;
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}
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/**
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* 大小 85.6*54
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* 长是宽的1.58倍
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*
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* @param pWidth
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* @param pHeight
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*/
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public float[] initFinder(int pWidth, int pHeight, Handler mHandler, int typeFront) {
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m_nImageWidth = pWidth;
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m_nImageHeight = pHeight;
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WindowManager manager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
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Display display = manager.getDefaultDisplay();
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width = display.getWidth();
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height = display.getHeight();
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Log.d("tag", "-1-------->>" + width);
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marginT = mContext.getResources().getDimension(R.dimen.public_46_dp);
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marginW = (float) ((width - pWidth) / 2.0);
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marginH = (float) ((height - pHeight) / 2.0);
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mWidth = width / 2;
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mHeight = height / 2;
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float g = height - marginT * 2;
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float k = g * 1.58f;
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float x = 10.0f;
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Log.d("ocr", k + "<<--k---高度----g--1---->>" + g);
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while (k > pWidth) {
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x--;
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k = k * (x / 10.0f);
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g = g * (x / 10.0f);
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}
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Log.d("ocr", k + "<<--k---高度----g--2---->>" + g);
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lineLeft = (float) (mWidth - k / 2.0);
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lineRight = (float) (mWidth + k / 2.0);
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lineTop = (float) (mHeight - g / 2.0);
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lineBottom = (float) (mHeight + g / 2.0);
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int nDisplayWidth = display.getWidth();
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int nDisplayHeight = display.getHeight();
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int nImageWidth = m_nImageWidth;
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int nImageHeight = m_nImageHeight;
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double nFitWidth;
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double nFitHeight;
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double nUseWidth = 0;
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double nUseHeight = 0;
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double dRealRegionWidth = 0;
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// double dRealRegionHeight = 0;
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if (nImageWidth * nDisplayHeight < nDisplayWidth * nImageHeight) {
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nFitHeight = nDisplayHeight;
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nFitWidth = (nImageWidth / (double) nImageHeight) * nFitHeight;
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} else {
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nFitWidth = nDisplayWidth;
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nFitHeight = nFitWidth * (nImageHeight / (double) nImageWidth);
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}
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if (nFitWidth / nFitHeight >= 4 / 3) {
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nUseHeight = nFitHeight;
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nUseWidth = 4 * nUseHeight / 3.0f;
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} else {
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nUseWidth = nFitWidth;
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nUseHeight = 3 * nUseWidth / 4.0f;
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}
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dRealRegionWidth = nUseWidth / 480.0f * 420.0f;
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// dRealRegionHeight = nUseHeight/360.0f*270.0f;
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// lineLeft = (int)((nDisplayWidth - dRealRegionWidth)/2.0f);//- (nDisplayWidth - nFitWidth)/2.0f);
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// lineRight = (int)( nDisplayWidth - lineLeft);//- (nDisplayWidth - nFitWidth) );
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// lineTop = (int)(nDisplayHeight - dRealRegionHeight)/2.0f;
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// lineBottom = nDisplayHeight - lineTop;
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paint = new Paint();
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dLineWidth = (int) dRealRegionWidth / 28; //30
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dLineWidth = 4;
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paint.setStrokeWidth(dLineWidth);
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dLen = (int) dRealRegionWidth / 6; //160
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float imgX = 10000;
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float imgY = 10000;
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switch (typeFront) {
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case 1:
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imgX = (mWidth - k / 2) + k * 0.56f;
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imgY = lineTop + g * 0.18f;
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break;
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case 2:
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imgX = lineLeft + k * 0.1f;
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imgY = lineTop + g * 0.1f;
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break;
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default:
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break;
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}
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float[] img = {imgY, imgX};
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return img;
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}
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public void initFinder(int w, int h, int d) {
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}
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public Rect getFinder() {
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return new Rect((int) (lineLeft - marginW), (int) (lineTop - marginH), (int) (lineRight + marginW), (int) (lineBottom + marginH));
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}
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public void setLineRect(int model) {
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lineModel = model;
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invalidate();
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}
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@Override
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public void draw(Canvas canvas) {
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// TODO Auto-generated method stub
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super.draw(canvas);
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paint.setColor(Color.GREEN);
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canvas.drawLine(lineLeft - dLineWidth / 2, lineTop, lineLeft + dLen, lineTop, paint);
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canvas.drawLine(lineLeft, lineTop - dLineWidth / 2, lineLeft, lineTop + dLen, paint);
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canvas.drawLine(lineRight, lineTop - dLineWidth / 2, lineRight, lineTop + dLen, paint);
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canvas.drawLine(lineRight + dLineWidth / 2, lineTop, lineRight - dLen, lineTop, paint);
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canvas.drawLine(lineLeft, lineBottom + dLineWidth / 2, lineLeft, lineBottom - dLen, paint);
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canvas.drawLine(lineLeft - dLineWidth / 2, lineBottom, lineLeft + dLen, lineBottom, paint);
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canvas.drawLine(lineRight + dLineWidth / 2, lineBottom, lineRight - dLen, lineBottom, paint);
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canvas.drawLine(lineRight, lineBottom + dLineWidth / 2, lineRight, lineBottom - dLen, paint);
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switch (lineModel) {
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case 0:
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break;
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case 1://左边框线
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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break;
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case 2://右边框线
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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break;
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case 3://左右
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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break;
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case 4://上边框
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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break;
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case 5://左上
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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break;
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case 6://右上
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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break;
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case 7://左右上
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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break;
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case 8://下边框
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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case 9://左下
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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case 10://右下边框
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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case 11://左右下
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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case 12://上下
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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case 13://上下左
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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break;
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case 14://上下右
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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break;
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case 15://全
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canvas.drawLine(lineLeft, lineTop, lineLeft, lineBottom, paint);
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canvas.drawLine(lineRight, lineTop, lineRight, lineBottom, paint);
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canvas.drawLine(lineLeft, lineTop, lineRight, lineTop, paint);
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canvas.drawLine(lineLeft, lineBottom, lineRight, lineBottom, paint);
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break;
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default:
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break;
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}
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paint.setColor(Color.BLACK);
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paint.setAlpha(100);
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// canvas.drawRect(lineLeft + dLineWidth / 2, lineTop + dLineWidth / 2, lineRight - dLineWidth / 2, lineBottom - dLineWidth / 2, paint);
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//画四周
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canvas.drawRect(0, 0, width, lineTop - dLineWidth / 2, paint);
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canvas.drawRect(0, lineTop - dLineWidth / 2, lineLeft - dLineWidth / 2, lineBottom + dLineWidth / 2, paint);
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canvas.drawRect(0, lineBottom + dLineWidth / 2, width, height, paint);
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canvas.drawRect(lineRight + dLineWidth / 2, lineTop - dLineWidth / 2, width, lineBottom + dLineWidth / 2, paint);
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}
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}
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