private void showPage(int page, float zoom) throws Exception {
long startTime = System.currentTimeMillis();
long middleTime = startTime;
try {
// free memory from previous page
mGraphView.setPageBitmap(null);
mGraphView.updateImage();
mPdfPage = mPdfFile.getPage(page, true);
int num = mPdfPage.getPageNumber();
int maxNum = mPdfFile.getNumPages();
float wi = mPdfPage.getWidth();
float hei = mPdfPage.getHeight();
String pageInfo =
new File(pdffilename).getName() + " - " + num + "/" + maxNum + ": " + wi + "x" + hei;
mGraphView.showText(pageInfo);
Log.i(TAG, pageInfo);
RectF clip = null;
middleTime = System.currentTimeMillis();
Bitmap bi = mPdfPage.getImage((int) (wi * zoom), (int) (hei * zoom), clip, true, true);
mGraphView.setPageBitmap(bi);
mGraphView.updateImage();
} catch (Throwable e) {
Log.e(TAG, e.getMessage(), e);
mGraphView.showText("Exception: " + e.getMessage());
}
long stopTime = System.currentTimeMillis();
mGraphView.pageParseMillis = middleTime - startTime;
mGraphView.pageRenderMillis = stopTime - middleTime;
}
private synchronized void startRenderThread(final int page, final float zoom) {
if (backgroundThread != null) return;
mGraphView.showText("reading page " + page + ", zoom:" + zoom);
backgroundThread =
new Thread(
new Runnable() {
@Override
public void run() {
try {
if (mPdfFile != null) {
// File f = new File("/sdcard/andpdf.trace");
// f.delete();
// Log.e(TAG, "DEBUG.START");
// Debug.startMethodTracing("andpdf");
showPage(page, zoom);
// Debug.stopMethodTracing();
// Log.e(TAG, "DEBUG.STOP");
}
} catch (Exception e) {
Log.e(TAG, e.getMessage(), e);
}
backgroundThread = null;
}
});
updateImageStatus();
backgroundThread.start();
}
private void parsePDF(String filename, String password) throws PDFAuthenticationFailureException {
long startTime = System.currentTimeMillis();
try {
File f = new File(filename);
long len = f.length();
if (len == 0) {
mGraphView.showText("file '" + filename + "' not found");
} else {
mGraphView.showText("file '" + filename + "' has " + len + " bytes");
openFile(f, password);
}
} catch (PDFAuthenticationFailureException e) {
throw e;
} catch (Throwable e) {
e.printStackTrace();
mGraphView.showText("Exception: " + e.getMessage());
}
long stopTime = System.currentTimeMillis();
mGraphView.fileMillis = stopTime - startTime;
}
/**
* Open a specific pdf file. Creates a DocumentInfo from the file, and opens that.
*
* <p><b>Note:</b> Mapping the file locks the file until the PDFFile is closed.
*
* @param file the file to open
* @throws IOException
*/
public void openFile(File file, String password) throws IOException {
// first open the file for random access
RandomAccessFile raf = new RandomAccessFile(file, "r");
// extract a file channel
FileChannel channel = raf.getChannel();
// now memory-map a byte-buffer
ByteBuffer bb = ByteBuffer.NEW(channel.map(FileChannel.MapMode.READ_ONLY, 0, channel.size()));
// create a PDFFile from the data
if (password == null) mPdfFile = new PDFFile(bb);
else mPdfFile = new PDFFile(bb, new PDFPassword(password));
mGraphView.showText("Anzahl Seiten:" + mPdfFile.getNumPages());
}
private void showPage(int page, float zoom) throws Exception {
// long startTime = System.currentTimeMillis();
// long middleTime = startTime;
try {
// free memory from previous page
mGraphView.setPageBitmap(null);
mGraphView.updateImage();
// Only load the page if it's a different page (i.e. not just changing the zoom level)
if (mPdfPage == null || mPdfPage.getPageNumber() != page) {
mPdfPage = mPdfFile.getPage(page, true);
}
// int num = mPdfPage.getPageNumber();
// int maxNum = mPdfFile.getNumPages();
float width = mPdfPage.getWidth();
float height = mPdfPage.getHeight();
// String pageInfo= new File(pdffilename).getName() + " - " + num +"/"+maxNum+ ": " + width +
// "x" + height;
// mGraphView.showText(pageInfo);
// Log.i(TAG, pageInfo);
RectF clip = null;
// middleTime = System.currentTimeMillis();
Bitmap bi = mPdfPage.getImage((int) (width * zoom), (int) (height * zoom), clip, true, true);
mGraphView.setPageBitmap(bi);
mGraphView.updateImage();
writeTempFileToDisc(bi);
// bi.recycle();//ADDED FOR EFFICIENCY
File dir = Environment.getExternalStorageDirectory();
File file = new File(dir, IMAGE_PATH + mPage + ".jpg");
mImageUri = Uri.fromFile(file);
System.out.println("Displaying " + mImageUri.getPath());
mAllShareService.start(mImageUri.getPath());
if (progress != null) progress.dismiss();
} catch (Throwable e) {
Log.e(TAG, e.getMessage(), e);
mGraphView.showText("Exception: " + e.getMessage());
}
// long stopTime = System.currentTimeMillis();
// mGraphView.pageParseMillis = middleTime-startTime;
// mGraphView.pageRenderMillis = stopTime-middleTime;
}
