资源库案例库阅读器答案java.pdfVIP

packagecom.realaction.bookreaderapp;

importjava.io.File;

importjava.io.IOException;

importjava.io.RandomAccessFile;

importjava.io.UnsupportedEncodingException;

importjava.nio.MappedByteBuffer;

importjava.nio.channels.FileChannel;

importjava.text.DecimalFormat;

importjava.util.Vector;

importandroid.graphics.Bitmap;

importandroid.graphics.Canvas;

importandroid.graphics.Color;

importandroid.graphics.Paint;

importandroid.graphics.Paint.Align;

importandroid.util.Log;

publicclassBookPageFactory{

privatestaticfinalStringTAG=BookPageFactory;

privateFilebook_file=null;

privateintm_backColor=0xffff9e85;//

privateBitmapm_book_bg=null;

privateintm_fontSize=20;

privatebooleanm_isfirstPage,m_islastPage;

privateVectorStringm_lines=newVectorString();

privateMappedByteBufferm_mbBuf=null;//е

privateintm_mbBufBegin=0;//λ

privateintm_mbBufEnd=0;//λ

privateintm_mbBufLen=0;//

privateStringm_strCharsetName=GBK;

privateintm_textColor=Color.rgb(28,28,28);

privateintmarginHeight=15;//

privateintmarginWidth=15;//

privateintmHeight;

privateintmLineCount;//ÿ

privatePaintmPaint;

privatefloatmVisibleHeight;//

privatefloatmVisibleWidth;//

privateintmWidth;

publicBookPageFactory(intw,inth){

mWidth=w;

mHeight=h;

mPaint=neint(Paint.ANTI_ALIAS_FLAG);//

mPaint.setTextAlign(Align.LEFT);//

mPaint.setTextSize(m_fontSize);//С

mPaint.setColor(m_textColor);//

mVisibleWidth=mWidth-marginWidth*2;

mVisibleHeight=mHeight-marginHeight*2;

mLineCount=(int)(mVisibleHeight/m_fontSize)-1;//,-1λ

}

publicintgetM_fontSize(){

returnm_fontSize;

}

publicintgetmLineCount(){

returnmLineCount;

}

publicbooleanisfirstPag