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Merge pull request #1056 from owncloud/svgTransparentBackground

Browse source 
PNG transparent background
This commit is contained in:
masensio 2015-08-24 12:34:50 +02:00
commit ddfaa953c9
6 changed files with 87 additions and 23 deletions
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4
res/drawable/backrepeat.xml Normal file
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@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/checker_16_16"
android:tileMode="repeat" />

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res/drawable/checker_16_16.png Normal file
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35
src/com/owncloud/android/datamodel/ThumbnailsCacheManager.java
View file

@ -33,6 +33,8 @@ import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Bitmap.CompressFormat;
import android.graphics.BitmapFactory;
import android.graphics.Canvas;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
import android.media.ThumbnailUtils;
@ -259,10 +261,16 @@ public class ThumbnailsCacheManager {
int px = getThumbnailDimension();
if (file.isDown()) {
Bitmap bitmap = BitmapUtils.decodeSampledBitmapFromFile(
Bitmap temp = BitmapUtils.decodeSampledBitmapFromFile(
file.getStoragePath(), px, px);
Bitmap bitmap = ThumbnailUtils.extractThumbnail(temp, px, px);
if (bitmap != null) {
// Handle PNG
if (file.getMimetype().equalsIgnoreCase("image/png")) {
bitmap = handlePNG(bitmap, px);
}
thumbnail = addThumbnailToCache(imageKey, bitmap, file.getStoragePath(), px);
file.setNeedsUpdateThumbnail(false);
@ -289,6 +297,11 @@ public class ThumbnailsCacheManager {
Bitmap bitmap = BitmapFactory.decodeStream(inputStream);
thumbnail = ThumbnailUtils.extractThumbnail(bitmap, px, px);
// Handle PNG
if (file.getMimetype().equalsIgnoreCase("image/png")) {
thumbnail = handlePNG(thumbnail, px);
}
// Add thumbnail to cache
if (thumbnail != null) {
addBitmapToCache(imageKey, thumbnail);
@ -308,6 +321,26 @@ public class ThumbnailsCacheManager {
}
private Bitmap handlePNG(Bitmap bitmap, int px){
Bitmap resultBitmap = Bitmap.createBitmap(px,
px,
Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(resultBitmap);
Bitmap checker = BitmapFactory.decodeResource(MainApp.getAppContext().getResources(),
R.drawable.checker_16_16);
BitmapDrawable background;
background = new BitmapDrawable(MainApp.getAppContext().getResources(), checker);
background.setBounds(0, 0, px, px);
background.setTileModeXY(Shader.TileMode.REPEAT, Shader.TileMode.REPEAT);
background.draw(c);
c.drawBitmap(bitmap, 0, 0, null);
return resultBitmap;
}
private Bitmap doFileInBackground() {
File file = (File)mFile;

8
src/com/owncloud/android/ui/adapter/FileListListAdapter.java
View file

@ -30,6 +30,7 @@ import android.accounts.Account;
import android.content.Context;
import android.content.SharedPreferences;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.preference.PreferenceManager;
import android.text.format.DateUtils;
@ -320,6 +321,13 @@ public class FileListListAdapter extends BaseAdapter implements ListAdapter {
task.execute(file);
}
}
if (file.getMimetype().equalsIgnoreCase("image/png")){
Drawable backrepeat = mContext.getResources().
getDrawable(R.drawable.backrepeat);
fileIcon.setBackground(backrepeat);
}
} else {
fileIcon.setImageResource(DisplayUtils.getFileTypeIconId(file.getMimetype(),
file.getFileName()));

59
src/com/owncloud/android/ui/preview/PreviewImageFragment.java
View file

@ -26,6 +26,7 @@ import android.annotation.SuppressLint;
import android.app.Activity;
import android.graphics.Bitmap;
import android.graphics.Point;
import android.graphics.drawable.Drawable;
import android.os.AsyncTask;
import android.os.Bundle;
import android.support.v4.app.FragmentStatePagerAdapter;
@ -200,7 +201,8 @@ public class PreviewImageFragment extends FileFragment {
if (getFile() != null) {
mLoadBitmapTask = new LoadBitmapTask(mImageView, mMessageView, mProgressWheel);
//mLoadBitmapTask.execute(new String[]{getFile().getStoragePath()});
mLoadBitmapTask.execute(getFile().getStoragePath());
// mLoadBitmapTask.execute(getFile().getStoragePath());
mLoadBitmapTask.execute(getFile());
}
}
@ -358,7 +360,7 @@ public class PreviewImageFragment extends FileFragment {
}
private class LoadBitmapTask extends AsyncTask<String, Void, Bitmap> {
private class LoadBitmapTask extends AsyncTask<OCFile, Void, LoadImage> {
/**
* Weak reference to the target {@link ImageView} where the bitmap will be loaded into.
@ -404,12 +406,12 @@ public class PreviewImageFragment extends FileFragment {
mProgressWheelRef = new WeakReference<ProgressBar>(progressWheel);
}
@Override
protected Bitmap doInBackground(String... params) {
protected LoadImage doInBackground(OCFile... params) {
Bitmap result = null;
if (params.length != 1) return null;
String storagePath = params[0];
OCFile ocFile = params[0];
String storagePath = ocFile.getStoragePath();
try {
int maxDownScale = 3; // could be a parameter passed to doInBackground(...)
@ -422,7 +424,7 @@ public class PreviewImageFragment extends FileFragment {
result = BitmapUtils.decodeSampledBitmapFromFile(storagePath, minWidth,
minHeight);
if (isCancelled()) return result;
if (isCancelled()) return new LoadImage(result, ocFile);
if (result == null) {
mErrorMessageId = R.string.preview_image_error_unknown_format;
@ -462,40 +464,46 @@ public class PreviewImageFragment extends FileFragment {
Log_OC.e(TAG, "Unexpected error loading " + getFile().getStoragePath(), t);
}
return result;
return new LoadImage(result, ocFile);
}
@Override
protected void onCancelled(Bitmap result) {
if (result != null) {
result.recycle();
protected void onCancelled(LoadImage result) {
if (result.bitmap != null) {
result.bitmap.recycle();
}
}
@Override
protected void onPostExecute(Bitmap result) {
protected void onPostExecute(LoadImage result) {
hideProgressWheel();
if (result != null) {
if (result.bitmap != null) {
showLoadedImage(result);
} else {
showErrorMessage();
}
if (result != null && mBitmap != result) {
if (result.bitmap != null && mBitmap != result.bitmap) {
// unused bitmap, release it! (just in case)
result.recycle();
result.bitmap.recycle();
}
}
@SuppressLint("InlinedApi")
private void showLoadedImage(Bitmap result) {
private void showLoadedImage(LoadImage result) {
final ImageViewCustom imageView = mImageViewRef.get();
Bitmap bitmap = result.bitmap;
if (imageView != null) {
Log_OC.d(TAG, "Showing image with resolution " + result.getWidth() + "x" +
result.getHeight());
imageView.setImageBitmap(result);
Log_OC.d(TAG, "Showing image with resolution " + bitmap.getWidth() + "x" +
bitmap.getHeight());
if (result.ocFile.getMimetype().equalsIgnoreCase("image/png")){
Drawable backrepeat = getResources().getDrawable(R.drawable.backrepeat);
imageView.setBackground(backrepeat);
}
imageView.setImageBitmap(bitmap);
imageView.setVisibility(View.VISIBLE);
mBitmap = result; // needs to be kept for recycling when not useful
mBitmap = bitmap; // needs to be kept for recycling when not useful
}
final TextView messageView = mMessageViewRef.get();
@ -551,4 +559,15 @@ public class PreviewImageFragment extends FileFragment {
return mImageView;
}
private class LoadImage {
private Bitmap bitmap;
private OCFile ocFile;
public LoadImage(Bitmap bitmap, OCFile ocFile){
this.bitmap = bitmap;
this.ocFile = ocFile;
}
}
}