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platform_packages_apps_Launcher3
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Verify that an image can be rendered on a GL Surface before using it 

Bug: 20138883
Change-Id: I8de70eb971f31c2a4c07a7903e097a1586402282
This commit is contained in:
Sunny Goyal 2015-05-18 16:40:56 -07:00
parent 2bba4c37c6
commit e49c105de5
3 changed files with 43 additions and 44 deletions
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2
WallpaperPicker/src/com/android/launcher3/WallpaperCropActivity.java
View File

@ -131,7 +131,7 @@ public class WallpaperCropActivity extends BaseActivity implements Handler.Callb
// Load image in background
final BitmapRegionTileSource.UriBitmapSource bitmapSource =
new BitmapRegionTileSource.UriBitmapSource(getContext(), imageUri, 1024);
new BitmapRegionTileSource.UriBitmapSource(getContext(), imageUri);
mSetWallpaperButton.setEnabled(false);
Runnable onLoad = new Runnable() {
public void run() {

10
WallpaperPicker/src/com/android/launcher3/WallpaperPickerActivity.java
View File

@ -21,7 +21,6 @@ import android.annotation.TargetApi;
import android.app.ActionBar;
import android.app.Activity;
import android.app.WallpaperManager;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
@ -144,8 +143,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
public void onClick(final WallpaperPickerActivity a) {
a.setWallpaperButtonEnabled(false);
final BitmapRegionTileSource.UriBitmapSource bitmapSource =
new BitmapRegionTileSource.UriBitmapSource(
a.getContext(), mUri, BitmapRegionTileSource.MAX_PREVIEW_SIZE);
new BitmapRegionTileSource.UriBitmapSource(a.getContext(), mUri);
a.setCropViewTileSource(bitmapSource, true, false, null, new Runnable() {
@Override
@ -199,8 +197,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
public void onClick(final WallpaperPickerActivity a) {
a.setWallpaperButtonEnabled(false);
BitmapRegionTileSource.UriBitmapSource bitmapSource =
new BitmapRegionTileSource.UriBitmapSource(a.getContext(),
Uri.fromFile(mFile), 1024);
new BitmapRegionTileSource.UriBitmapSource(a.getContext(), Uri.fromFile(mFile));
a.setCropViewTileSource(bitmapSource, false, true, null, new Runnable() {
@Override
@ -236,8 +233,7 @@ public class WallpaperPickerActivity extends WallpaperCropActivity {
public void onClick(final WallpaperPickerActivity a) {
a.setWallpaperButtonEnabled(false);
BitmapRegionTileSource.ResourceBitmapSource bitmapSource =
new BitmapRegionTileSource.ResourceBitmapSource(
mResources, mResId, BitmapRegionTileSource.MAX_PREVIEW_SIZE);
new BitmapRegionTileSource.ResourceBitmapSource(mResources, mResId);
a.setCropViewTileSource(bitmapSource, false, false, new CropViewScaleProvider() {
@Override

75
WallpaperPicker/src/com/android/photos/BitmapRegionTileSource.java
View File

@ -26,6 +26,7 @@ import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Rect;
import android.net.Uri;
import android.opengl.GLUtils;
import android.os.Build;
import android.util.Log;
@ -149,18 +150,15 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
private static final int GL_SIZE_LIMIT = 2048;
// This must be no larger than half the size of the GL_SIZE_LIMIT
// due to decodePreview being allowed to be up to 2x the size of the target
public static final int MAX_PREVIEW_SIZE = GL_SIZE_LIMIT / 2;
private static final int MAX_PREVIEW_SIZE = GL_SIZE_LIMIT / 2;
public static abstract class BitmapSource {
private SimpleBitmapRegionDecoder mDecoder;
private Bitmap mPreview;
private final int mPreviewSize;
private int mRotation;
public enum State { NOT_LOADED, LOADED, ERROR_LOADING };
private State mState = State.NOT_LOADED;
public BitmapSource(int previewSize) {
mPreviewSize = Math.min(previewSize, MAX_PREVIEW_SIZE);
}
public boolean loadInBackground(InBitmapProvider bitmapProvider) {
ExifInterface ei = new ExifInterface();
if (readExif(ei)) {
@ -176,36 +174,44 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
} else {
int width = mDecoder.getWidth();
int height = mDecoder.getHeight();
if (mPreviewSize != 0) {
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
opts.inPreferQualityOverSpeed = true;
float scale = (float) mPreviewSize / Math.max(width, height);
opts.inSampleSize = BitmapUtils.computeSampleSizeLarger(scale);
opts.inJustDecodeBounds = false;
opts.inMutable = true;
BitmapFactory.Options opts = new BitmapFactory.Options();
opts.inPreferredConfig = Bitmap.Config.ARGB_8888;
opts.inPreferQualityOverSpeed = true;
if (bitmapProvider != null) {
int expectedPixles = (width / opts.inSampleSize) * (height / opts.inSampleSize);
Bitmap reusableBitmap = bitmapProvider.forPixelCount(expectedPixles);
if (reusableBitmap != null) {
// Try loading with reusable bitmap
opts.inBitmap = reusableBitmap;
try {
mPreview = loadPreviewBitmap(opts);
} catch (IllegalArgumentException e) {
Log.d(TAG, "Unable to reusage bitmap", e);
opts.inBitmap = null;
mPreview = null;
}
float scale = (float) MAX_PREVIEW_SIZE / Math.max(width, height);
opts.inSampleSize = BitmapUtils.computeSampleSizeLarger(scale);
opts.inJustDecodeBounds = false;
opts.inMutable = true;
if (bitmapProvider != null) {
int expectedPixles = (width / opts.inSampleSize) * (height / opts.inSampleSize);
Bitmap reusableBitmap = bitmapProvider.forPixelCount(expectedPixles);
if (reusableBitmap != null) {
// Try loading with reusable bitmap
opts.inBitmap = reusableBitmap;
try {
mPreview = loadPreviewBitmap(opts);
} catch (IllegalArgumentException e) {
Log.d(TAG, "Unable to reusage bitmap", e);
opts.inBitmap = null;
mPreview = null;
}
}
if (mPreview == null) {
mPreview = loadPreviewBitmap(opts);
}
}
mState = State.LOADED;
if (mPreview == null) {
mPreview = loadPreviewBitmap(opts);
}
// Verify that the bitmap can be used on GL surface
try {
GLUtils.getInternalFormat(mPreview);
GLUtils.getType(mPreview);
mState = State.LOADED;
} catch (IllegalArgumentException e) {
Log.d(TAG, "Image cannot be rendered on a GL surface", e);
mState = State.ERROR_LOADING;
}
return true;
}
}
@ -237,8 +243,7 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
public static class FilePathBitmapSource extends BitmapSource {
private String mPath;
public FilePathBitmapSource(String path, int previewSize) {
super(previewSize);
public FilePathBitmapSource(String path) {
mPath = path;
}
@Override
@ -272,8 +277,7 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
public static class UriBitmapSource extends BitmapSource {
private Context mContext;
private Uri mUri;
public UriBitmapSource(Context context, Uri uri, int previewSize) {
super(previewSize);
public UriBitmapSource(Context context, Uri uri) {
mContext = context;
mUri = uri;
}
@ -337,8 +341,7 @@ public class BitmapRegionTileSource implements TiledImageRenderer.TileSource {
public static class ResourceBitmapSource extends BitmapSource {
private Resources mRes;
private int mResId;
public ResourceBitmapSource(Resources res, int resId, int previewSize) {
super(previewSize);
public ResourceBitmapSource(Resources res, int resId) {
mRes = res;
mResId = resId;
}