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Android-Pdf-Viewer-Library
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Merge pull request #1 from contrudar/feature/byte_array_support 

Feature/byte array support
This commit is contained in:
Alex Urzhumtcev 2016-09-14 23:08:54 +03:00 committed by GitHub
parent 9253a6b9fe b92e591d73
commit 1aa70452fe
9 changed files with 589 additions and 1066 deletions
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34
.gitignore vendored Normal file
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@ -0,0 +1,34 @@
# Built application files
*.apk
*.ap_
# Files for the Dalvik VM
*.dex
# Java class files
*.class
# Generated files
bin/
gen/
# Gradle files
.gradle/
build/
# Local configuration file (sdk path, etc)
local.properties
# Log Files
*.log
# Android Studio Navigation editor temp files
.navigation/
# Android Studio captures folder
captures/
.gradle
.idea
.DS_Store
*.iml

2
Android-Pdf-Viewer-Library.iml
View File

@ -1,5 +1,5 @@
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id="Android-Pdf-Viewer-Library" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$" external.system.id="GRADLE" external.system.module.group="" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<module external.linked.project.id=":libraries:Android-Pdf-Viewer-Library" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/../.." external.system.id="GRADLE" external.system.module.group="Chat-android.libraries" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="java-gradle" name="Java-Gradle">
<configuration>

13
PdfView/PdfView.iml
View File

@ -1,9 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id=":PdfView" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="Android-Pdf-Viewer-Library" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<module external.linked.project.id=":libraries:Android-Pdf-Viewer-Library:PdfView" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/../../.." external.system.id="GRADLE" external.system.module.group="Chat-android.libraries.Android-Pdf-Viewer-Library" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="android-gradle" name="Android-Gradle">
<configuration>
<option name="GRADLE_PROJECT_PATH" value=":PdfView" />
<option name="GRADLE_PROJECT_PATH" value=":libraries:Android-Pdf-Viewer-Library:PdfView" />
</configuration>
</facet>
<facet type="android" name="Android">
@ -48,6 +48,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/shaders" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/assets" type="java-test-resource" />
@ -55,6 +56,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/shaders" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
@ -62,6 +64,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/shaders" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
@ -69,6 +72,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
@ -76,16 +80,19 @@
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/javaResources" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-safeguard" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/sourceFolderJavaResources" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />

2
PdfView/build.gradle
View File

@ -17,5 +17,5 @@ android {
}
dependencies {
compile project(':gestureimageview')
compile project(':libraries:Android-Pdf-Viewer-Library:gestureimageview')
}

1276
PdfView/src/main/java/net/sf/andpdf/pdfviewer/PdfViewerActivity.java
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293
PdfView/src/main/java/net/sf/andpdf/pdfviewer/gui/PdfView.java
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@ -1,293 +0,0 @@
package net.sf.andpdf.pdfviewer.gui;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Color;
import android.graphics.RectF;
import android.os.Handler;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.widget.Toast;
import com.polites.android.Direction;
import com.polites.android.GestureImageView;
import com.polites.android.GestureImageViewTouchListener;
import com.sun.pdfview.PDFFile;
import com.sun.pdfview.PDFImage;
import com.sun.pdfview.PDFPage;
import com.sun.pdfview.PDFPaint;
import com.sun.pdfview.decrypt.PDFAuthenticationFailureException;
import com.sun.pdfview.decrypt.PDFPassword;
import java.io.File;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.channels.FileChannel;
import net.sf.andpdf.nio.ByteBuffer;
import net.sf.andpdf.refs.HardReference;
public class PdfView extends FullScrollView {
private static final int STARTPAGE = 1;
private static final float STARTZOOM = 1.0f;
private static final float MIN_ZOOM = 0.25f;
private static final float MAX_ZOOM = 3.0f;
private static final float ZOOM_INCREMENT = 1.5f;
private Bitmap mBi;
public GestureImageView mImageView;
private Handler uiHandler;
private PDFFile mPdfFile;
private PDFPage mPdfPage;
private Thread backgroundThread;
private int mPage;
private float mZoom;
private boolean drawing = false;
public PdfView(Context context) {
this(context, null);
}
public PdfView(Context context, AttributeSet attrs) {
this(context, attrs, android.R.attr.scrollViewStyle);
}
public PdfView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
PDFImage.sShowImages = true;
PDFPaint.s_doAntiAlias = true;
HardReference.sKeepCaches = true;
uiHandler = new Handler();
LayoutParams matchLp = new LayoutParams(LayoutParams.WRAP_CONTENT, LayoutParams.WRAP_CONTENT);
mImageView = new GestureImageView(context);
mImageView.setLayoutParams(matchLp);
addView(mImageView);
setLayoutParams(matchLp);
setBackgroundColor(Color.LTGRAY);
setHorizontalScrollBarEnabled(true);
setHorizontalFadingEdgeEnabled(true);
setVerticalScrollBarEnabled(true);
setVerticalFadingEdgeEnabled(true);
mZoom = STARTZOOM;
mImageView.setOnClickListener(new OnClickListener() {
@Override public void onClick(View v) {
nextPage();
}
});
mImageView.setOnReachBoundListener(new GestureImageViewTouchListener.OnReachBoundListener() {
@Override public void onReach(View view, int direction) {
if (drawing) {
return;
}
switch (direction) {
case Direction.LEFT:
prevPage();
break;
case Direction.RIGHT:
nextPage();
break;
case Direction.TOP:
break;
case Direction.BOTTOM:
break;
}
}
});
}
public PDFFile getmPdfFile() {
return mPdfFile;
}
public void setmPdfFile(PDFFile mPdfFile) {
this.mPdfFile = mPdfFile;
}
private int getDeviceWidth() {
DisplayMetrics metric = new DisplayMetrics();
WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
wm.getDefaultDisplay().getMetrics(metric);
return metric.widthPixels; // 屏幕宽度（像素）
}
private int getDeviceHeight() {
DisplayMetrics metric = new DisplayMetrics();
WindowManager wm = (WindowManager) getContext().getSystemService(Context.WINDOW_SERVICE);
wm.getDefaultDisplay().getMetrics(metric);
return metric.heightPixels; // 屏幕高度（像素）
}
public void showPage(int page, float zoom) throws Exception {
try {
// free memory from previous page
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);
}
float width = mPdfPage.getWidth();
float height = mPdfPage.getHeight();
if (getLayoutParams().height == ViewGroup.LayoutParams.MATCH_PARENT) {
height *= getDeviceWidth() / width;
}
if (getLayoutParams().width == LayoutParams.MATCH_PARENT) {
width = getDeviceWidth();
}
RectF clip = null;
final Bitmap bi = mPdfPage.getImage((int) (width * zoom), (int) (height * zoom), clip, true, true);
setPageBitmap(bi);
updateImage();
} catch (Throwable e) {
Log.e(TAG, e.getMessage(), e);
}
}
private void updateImage() {
uiHandler.post(new Runnable() {
public void run() {
mImageView.reset();
mImageView.setImageBitmap(mBi);
}
});
}
private void setPageBitmap(Bitmap bi) {
if (bi != null) {
mBi = bi;
}
}
private void zoomIn() {
if (mPdfFile != null) {
if (mZoom < MAX_ZOOM) {
mZoom *= ZOOM_INCREMENT;
if (mZoom > MAX_ZOOM) mZoom = MAX_ZOOM;
startRenderThread(mPage, mZoom);
}
}
}
private void zoomOut() {
if (mPdfFile != null) {
if (mZoom > MIN_ZOOM) {
mZoom /= ZOOM_INCREMENT;
if (mZoom < MIN_ZOOM) mZoom = MIN_ZOOM;
startRenderThread(mPage, mZoom);
}
}
}
private void nextPage() {
if (mPdfFile != null) {
if (mPage < mPdfFile.getNumPages()) {
mPage += 1;
startRenderThread(mPage, mZoom);
}
}
}
private void prevPage() {
if (mPdfFile != null) {
if (mPage > 1) {
mPage -= 1;
startRenderThread(mPage, mZoom);
}
}
}
private void gotoPage() {
if (mPdfFile != null) {
// showDialog(DIALOG_PAGENUM);
}
}
public synchronized void startRenderThread(final int page, final float zoom) {
if (backgroundThread != null) return;
backgroundThread = new Thread(new Runnable() {
public void run() {
drawing = true;
try {
if (mPdfFile != null) {
showPage(page, zoom);
}
} catch (Exception e) {
Log.e(TAG, e.getMessage(), e);
}
drawing = false;
backgroundThread = null;
}
});
updateImageStatus();
backgroundThread.start();
}
private void updateImageStatus() {
if (backgroundThread == null) {
return;
}
postDelayed(new Runnable() {
public void run() {
updateImageStatus();
}
}, 1000);
}
public void parsePDF(File f, String password) throws PDFAuthenticationFailureException {
try {
long len = f.length();
if (len == 0) {
toastMessage("file '" + f.getName() + "' not found");
} else {
toastMessage("file '" + f.getName() + "' has " + len + " bytes");
openFile(f, password);
}
} catch (PDFAuthenticationFailureException e) {
throw e;
} catch (Throwable e) {
e.printStackTrace();
toastMessage("Exception: " + e.getMessage());
}
}
public void parsePDF(String filename, String password) throws PDFAuthenticationFailureException {
try {
File f = new File(filename);
long len = f.length();
if (len == 0) {
toastMessage("file '" + filename + "' not found");
} else {
toastMessage("file '" + filename + "' has " + len + " bytes");
openFile(f, password);
}
} catch (PDFAuthenticationFailureException e) {
throw e;
} catch (Throwable e) {
e.printStackTrace();
toastMessage("Exception: " + e.getMessage());
}
}
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));
}
toastMessage("Anzahl Seiten:" + mPdfFile.getNumPages());
}
public void toastMessage(String msg) {
Toast.makeText(getContext(), msg, Toast.LENGTH_LONG).show();
}
}

23
PdfView/src/main/res/layout/graphics_view.xml
View File

@ -1,14 +1,15 @@
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<ImageView android:id="@+id/pdf_image"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="1"
android:padding="5px"/>
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical">
<ImageView
android:id="@+id/pdf_image"
android:layout_width="wrap_content"
android:layout_height="0dp"
android:layout_weight="1"
android:padding="5dp"/>
</LinearLayout>

1
build.gradle
View File

@ -4,7 +4,6 @@ buildscript {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:2.0.0'
}
}

11
gestureimageview/gestureimageview.iml
View File

@ -1,9 +1,9 @@
<?xml version="1.0" encoding="UTF-8"?>
<module external.linked.project.id=":gestureimageview" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="Android-Pdf-Viewer-Library" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<module external.linked.project.id=":libraries:Android-Pdf-Viewer-Library:gestureimageview" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/../../.." external.system.id="GRADLE" external.system.module.group="Chat-android.libraries.Android-Pdf-Viewer-Library" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
<component name="FacetManager">
<facet type="android-gradle" name="Android-Gradle">
<configuration>
<option name="GRADLE_PROJECT_PATH" value=":gestureimageview" />
<option name="GRADLE_PROJECT_PATH" value=":libraries:Android-Pdf-Viewer-Library:gestureimageview" />
</configuration>
</facet>
<facet type="android" name="Android">
@ -48,6 +48,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/rs" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/debug/shaders" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/assets" type="java-test-resource" />
@ -55,6 +56,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/testDebug/shaders" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/main/res" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/main/assets" type="java-resource" />
@ -62,6 +64,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/jni" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/rs" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/main/shaders" isTestSource="false" />
<sourceFolder url="file://$MODULE_DIR$/src/test/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/test/assets" type="java-test-resource" />
@ -69,6 +72,7 @@
<sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/test/shaders" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/res" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/resources" type="java-test-resource" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/assets" type="java-test-resource" />
@ -76,16 +80,19 @@
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/java" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/jni" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/rs" isTestSource="true" />
<sourceFolder url="file://$MODULE_DIR$/src/androidTest/shaders" isTestSource="true" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/assets" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/blame" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/bundles" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/classes" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/dependency-cache" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/incremental-safeguard" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/jniLibs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/lint" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/res" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/rs" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/shaders" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/symbols" />
<excludeFolder url="file://$MODULE_DIR$/build/intermediates/transforms" />
<excludeFolder url="file://$MODULE_DIR$/build/outputs" />