X-Git-Url: http://rtime.felk.cvut.cz/gitweb/hornmich/skoda-qr-demo.git/blobdiff_plain/b424059afa51ce812628ff4873d43bfd17189005..6872256845d1d9ce9434951215812eb406a23b8a:/QRScanner/glass/src/main/java/cz/cvut/fel/dce/qrscanner/pdfviewer/PdfViewActivity.java

diff --git a/QRScanner/glass/src/main/java/cz/cvut/fel/dce/qrscanner/pdfviewer/PdfViewActivity.java b/QRScanner/glass/src/main/java/cz/cvut/fel/dce/qrscanner/pdfviewer/PdfViewActivity.java
index 2ff961a..3da70ad 100644
--- a/QRScanner/glass/src/main/java/cz/cvut/fel/dce/qrscanner/pdfviewer/PdfViewActivity.java
+++ b/QRScanner/glass/src/main/java/cz/cvut/fel/dce/qrscanner/pdfviewer/PdfViewActivity.java
@@ -38,6 +38,7 @@ public class PdfViewActivity extends Activity implements ViewTreeObserver.OnGlob
 	private TextView mCurrentPageNumber;
 	private TextView mLastPageNumber;
 	private TextView mViewerStateText;
+	private TextView mZoomValue;
 	private ViewTreeObserver mPreviewImgObserver;
 	private String mFilePath;
 	private PdfPageView mPdfView;
@@ -61,6 +62,7 @@ public class PdfViewActivity extends Activity implements ViewTreeObserver.OnGlob
 		mCurrentPageNumber = (TextView) findViewById(R.id.page_number);
 		mLastPageNumber = (TextView) findViewById(R.id.total_pages_num);
 		mViewerStateText = (TextView) findViewById(R.id.pdf_viewer_state);
+		mZoomValue = (TextView) findViewById(R.id.zoom_value);
 		mViewStates = ViewStates.SCROLLING;
 		mProgressContainer = (RelativeLayout) findViewById(R.id.progress_container);
 
@@ -180,7 +182,7 @@ public class PdfViewActivity extends Activity implements ViewTreeObserver.OnGlob
 		if (event.getAction() == MotionEvent.ACTION_MOVE) {
 			dzoom = event.getRawX() - startX;
 			Log.d(TAG,"move_action, dzoom: " + dzoom);
-			mPdfView.zoom(dzoom /1000f);
+			zoomPage(dzoom /1000f);
 			startX = event.getRawX();
 			return false;
 		}
@@ -215,6 +217,11 @@ public class PdfViewActivity extends Activity implements ViewTreeObserver.OnGlob
 
 	}
 
+	private void zoomPage(float deltaZoom) {
+		mPdfView.zoom(deltaZoom);
+		mZoomValue.setText(Integer.toString(Math.round(mPdfView.getZoomRatio()*100)));
+	}
+
 	private class LoadPageTask extends AsyncTask<Void, Void, Void> {
 
 		@Override
@@ -235,6 +242,7 @@ public class PdfViewActivity extends Activity implements ViewTreeObserver.OnGlob
 			super.onPostExecute(aVoid);
 			mProgressContainer.setVisibility(View.INVISIBLE);
 			mPdfImageContainer.addView(mPdfView);
+			zoomPage(0.0f); // just for update the zoom value indicator
 			Log.d(TAG, "PDF page loaded.");
 		}
 	}