List of usage examples for android.graphics Canvas setDrawFilter
public void setDrawFilter(@Nullable DrawFilter filter)
From source file:Main.java
public static Canvas createFilterCanvas(Bitmap bitmap) { Canvas canvas = new Canvas(bitmap); canvas.setDrawFilter(new PaintFlagsDrawFilter(0, 7)); return canvas; }
From source file:Main.java
/** * Returns a Bitmap representing the thumbnail of the specified Bitmap. The * size of the thumbnail is defined by the dimension * android.R.dimen.launcher_application_icon_size. * <p>//from www .ja va 2 s . co m * This method is not thread-safe and should be invoked on the UI thread * only. * * @param bitmap The bitmap to get a thumbnail of. * @param context The application's context. * @return A thumbnail for the specified bitmap or the bitmap itself if the * thumbnail could not be created. */ public static Bitmap createThumbnailBitmap(Bitmap bitmap, Context context) { int sIconWidth = -1; int sIconHeight = -1; final Resources resources = context.getResources(); sIconWidth = sIconHeight = (int) resources.getDimension(android.R.dimen.app_icon_size); final Paint sPaint = new Paint(); final Rect sBounds = new Rect(); final Rect sOldBounds = new Rect(); Canvas sCanvas = new Canvas(); int width = sIconWidth; int height = sIconHeight; sCanvas.setDrawFilter(new PaintFlagsDrawFilter(Paint.DITHER_FLAG, Paint.FILTER_BITMAP_FLAG)); final int bitmapWidth = bitmap.getWidth(); final int bitmapHeight = bitmap.getHeight(); if (width > 0 && height > 0) { if (width < bitmapWidth || height < bitmapHeight) { final float ratio = (float) bitmapWidth / bitmapHeight; if (bitmapWidth > bitmapHeight) { height = (int) (width / ratio); } else if (bitmapHeight > bitmapWidth) { width = (int) (height * ratio); } final Config c = (width == sIconWidth && height == sIconHeight) ? bitmap.getConfig() : Config.ARGB_8888; final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c); final Canvas canvas = sCanvas; final Paint paint = sPaint; canvas.setBitmap(thumb); paint.setDither(false); paint.setFilterBitmap(true); sBounds.set((sIconWidth - width) / 2, (sIconHeight - height) / 2, width, height); sOldBounds.set(0, 0, bitmapWidth, bitmapHeight); canvas.drawBitmap(bitmap, sOldBounds, sBounds, paint); return thumb; } else if (bitmapWidth < width || bitmapHeight < height) { final Config c = Config.ARGB_8888; final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c); final Canvas canvas = sCanvas; final Paint paint = sPaint; canvas.setBitmap(thumb); paint.setDither(false); paint.setFilterBitmap(true); canvas.drawBitmap(bitmap, (sIconWidth - bitmapWidth) / 2, (sIconHeight - bitmapHeight) / 2, paint); return thumb; } } return bitmap; }
From source file:Main.java
public static Bitmap getRoundedCornerBitmap(Bitmap bitmap, float cornerRadius) { if (bitmap == null) { return null; }/*from ww w. j a v a2s. c o m*/ Bitmap result = Bitmap.createBitmap(bitmap.getWidth(), bitmap.getHeight(), Config.ARGB_8888); Canvas canvas = new Canvas(result); final int color = 0xff424242; final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, bitmap.getWidth(), bitmap.getHeight()); final RectF rectF = new RectF(rect); paint.setAntiAlias(true); canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.FILTER_BITMAP_FLAG | Paint.ANTI_ALIAS_FLAG)); canvas.drawARGB(0, 0, 0, 0); paint.setColor(color); canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint); paint.setXfermode(new PorterDuffXfermode(Mode.SRC_IN)); canvas.drawBitmap(result, rect, rect, paint); return result; }
From source file:org.gateshipone.odyssey.playbackservice.managers.OdysseyNotificationManager.java
public void updateNotification(TrackModel track, PlaybackService.PLAYSTATE state, MediaSessionCompat.Token mediaSessionToken) { if (track != null) { mNotificationBuilder = new NotificationCompat.Builder(mContext); // Open application intent Intent contentIntent = new Intent(mContext, OdysseyMainActivity.class); contentIntent.putExtra(OdysseyMainActivity.MAINACTIVITY_INTENT_EXTRA_REQUESTEDVIEW, OdysseyMainActivity.MAINACTIVITY_INTENT_EXTRA_REQUESTEDVIEW_NOWPLAYINGVIEW); contentIntent.addFlags(//from www .j av a2 s .c om Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION | Intent.FLAG_ACTIVITY_NO_HISTORY); PendingIntent contentPendingIntent = PendingIntent.getActivity(mContext, NOTIFICATION_INTENT_OPENGUI, contentIntent, PendingIntent.FLAG_UPDATE_CURRENT); mNotificationBuilder.setContentIntent(contentPendingIntent); // Set pendingintents // Previous song action Intent prevIntent = new Intent(PlaybackService.ACTION_PREVIOUS); PendingIntent prevPendingIntent = PendingIntent.getBroadcast(mContext, NOTIFICATION_INTENT_PREVIOUS, prevIntent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Action prevAction = new NotificationCompat.Action.Builder( R.drawable.ic_skip_previous_48dp, "Previous", prevPendingIntent).build(); // Pause/Play action PendingIntent playPauseIntent; int playPauseIcon; if (state == PlaybackService.PLAYSTATE.PLAYING) { Intent pauseIntent = new Intent(PlaybackService.ACTION_PAUSE); playPauseIntent = PendingIntent.getBroadcast(mContext, NOTIFICATION_INTENT_PLAYPAUSE, pauseIntent, PendingIntent.FLAG_UPDATE_CURRENT); playPauseIcon = R.drawable.ic_pause_48dp; } else { Intent playIntent = new Intent(PlaybackService.ACTION_PLAY); playPauseIntent = PendingIntent.getBroadcast(mContext, NOTIFICATION_INTENT_PLAYPAUSE, playIntent, PendingIntent.FLAG_UPDATE_CURRENT); playPauseIcon = R.drawable.ic_play_arrow_48dp; } NotificationCompat.Action playPauseAction = new NotificationCompat.Action.Builder(playPauseIcon, "PlayPause", playPauseIntent).build(); // Next song action Intent nextIntent = new Intent(PlaybackService.ACTION_NEXT); PendingIntent nextPendingIntent = PendingIntent.getBroadcast(mContext, NOTIFICATION_INTENT_NEXT, nextIntent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Action nextAction = new NotificationCompat.Action.Builder( R.drawable.ic_skip_next_48dp, "Next", nextPendingIntent).build(); // Quit action Intent quitIntent = new Intent(PlaybackService.ACTION_QUIT); PendingIntent quitPendingIntent = PendingIntent.getBroadcast(mContext, NOTIFICATION_INTENT_QUIT, quitIntent, PendingIntent.FLAG_UPDATE_CURRENT); mNotificationBuilder.setDeleteIntent(quitPendingIntent); mNotificationBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); mNotificationBuilder.setSmallIcon(R.drawable.odyssey_notification); mNotificationBuilder.addAction(prevAction); mNotificationBuilder.addAction(playPauseAction); mNotificationBuilder.addAction(nextAction); NotificationCompat.MediaStyle notificationStyle = new NotificationCompat.MediaStyle(); notificationStyle.setShowActionsInCompactView(1, 2); notificationStyle.setMediaSession(mediaSessionToken); mNotificationBuilder.setStyle(notificationStyle); mNotificationBuilder.setContentTitle(track.getTrackName()); mNotificationBuilder.setContentText(track.getTrackArtistName()); // Remove unnecessary time info mNotificationBuilder.setWhen(0); // Cover but only if changed if (mLastTrack == null || !track.getTrackAlbumKey().equals(mLastTrack.getTrackAlbumKey())) { mLastTrack = track; mLastBitmap = null; } // Only set image if an saved one is available if (mLastBitmap != null) { mNotificationBuilder.setLargeIcon(mLastBitmap); } else { /** * Create a dummy placeholder image for versions greater android 7 because it * does not automatically show the application icon anymore in mediastyle notifications. */ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { Drawable icon = mContext.getDrawable(R.drawable.notification_placeholder_256dp); Bitmap iconBitmap = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(iconBitmap); DrawFilter filter = new PaintFlagsDrawFilter(Paint.ANTI_ALIAS_FLAG, 1); canvas.setDrawFilter(filter); icon.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); icon.setFilterBitmap(true); icon.draw(canvas); mNotificationBuilder.setLargeIcon(iconBitmap); } else { /** * For older android versions set the null icon which will result in a dummy icon * generated from the application icon. */ mNotificationBuilder.setLargeIcon(null); } } // Build the notification mNotification = mNotificationBuilder.build(); // Check if run from service and check if playing or pause. // Pause notification should be dismissible. if (mContext instanceof Service) { if (state == PlaybackService.PLAYSTATE.PLAYING) { ((Service) mContext).startForeground(NOTIFICATION_ID, mNotification); } else { ((Service) mContext).stopForeground(false); } } // Send the notification away mNotificationManager.notify(NOTIFICATION_ID, mNotification); } }
From source file:com.visenze.visearch.camerademo.views.RoundImageView.java
@Override protected void onDraw(Canvas canvas) { if (mBounds == null) { return;//w w w .jav a 2 s . c o m } int width = mBounds.width(); int height = mBounds.height(); if (width == 0 || height == 0) { return; } canvas.setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG)); if (!mCacheValid || width != mCachedWidth || height != mCachedHeight) { // Need to redraw the cache if (width == mCachedWidth && height == mCachedHeight) { // Have a correct-sized bitmap cache already allocated. Just erase it. mCacheBitmap.eraseColor(0); } else { // Allocate a new bitmap with the correct dimensions. mCacheBitmap.recycle(); //noinspection AndroidLintDrawAllocation mCacheBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); mCachedWidth = width; mCachedHeight = height; } Canvas cacheCanvas = new Canvas(mCacheBitmap); cacheCanvas .setDrawFilter(new PaintFlagsDrawFilter(0, Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG)); if (mMaskDrawable != null) { int sc = cacheCanvas.save(); mMaskDrawable.draw(cacheCanvas); mMaskedPaint.setColorFilter((mDesaturateOnPress && isPressed()) ? mDesaturateColorFilter : null); cacheCanvas.saveLayer(mBoundsF, mMaskedPaint, Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG); super.onDraw(cacheCanvas); cacheCanvas.restoreToCount(sc); } else if (mDesaturateOnPress && isPressed()) { int sc = cacheCanvas.save(); cacheCanvas.drawRect(0, 0, mCachedWidth, mCachedHeight, mBlackPaint); mMaskedPaint.setColorFilter(mDesaturateColorFilter); cacheCanvas.saveLayer(mBoundsF, mMaskedPaint, Canvas.HAS_ALPHA_LAYER_SAVE_FLAG | Canvas.FULL_COLOR_LAYER_SAVE_FLAG); super.onDraw(cacheCanvas); cacheCanvas.restoreToCount(sc); } else { super.onDraw(cacheCanvas); } if (mBorderDrawable != null) { mBorderDrawable.draw(cacheCanvas); } } // Draw from cache canvas.drawBitmap(mCacheBitmap, mBounds.left, mBounds.top, null); }
From source file:org.gateshipone.malp.application.background.NotificationManager.java
public synchronized void updateNotification(MPDTrack track, MPDCurrentStatus.MPD_PLAYBACK_STATE state) { if (track != null) { mNotificationBuilder = new NotificationCompat.Builder(mService); // Open application intent Intent contentIntent = new Intent(mService, MainActivity.class); contentIntent.putExtra(MainActivity.MAINACTIVITY_INTENT_EXTRA_REQUESTEDVIEW, MainActivity.MAINACTIVITY_INTENT_EXTRA_REQUESTEDVIEW_NOWPLAYINGVIEW); contentIntent.addFlags(//w w w . j ava 2 s . com Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_CLEAR_TASK | Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_NO_ANIMATION | Intent.FLAG_ACTIVITY_NO_HISTORY); PendingIntent contentPendingIntent = PendingIntent.getActivity(mService, INTENT_OPENGUI, contentIntent, PendingIntent.FLAG_UPDATE_CURRENT); mNotificationBuilder.setContentIntent(contentPendingIntent); // Set pendingintents // Previous song action Intent prevIntent = new Intent(BackgroundService.ACTION_PREVIOUS); PendingIntent prevPendingIntent = PendingIntent.getBroadcast(mService, INTENT_PREVIOUS, prevIntent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Action prevAction = new NotificationCompat.Action.Builder( R.drawable.ic_skip_previous_48dp, "Previous", prevPendingIntent).build(); // Pause/Play action PendingIntent playPauseIntent; int playPauseIcon; if (state == MPDCurrentStatus.MPD_PLAYBACK_STATE.MPD_PLAYING) { Intent pauseIntent = new Intent(BackgroundService.ACTION_PAUSE); playPauseIntent = PendingIntent.getBroadcast(mService, INTENT_PLAYPAUSE, pauseIntent, PendingIntent.FLAG_UPDATE_CURRENT); playPauseIcon = R.drawable.ic_pause_48dp; } else { Intent playIntent = new Intent(BackgroundService.ACTION_PLAY); playPauseIntent = PendingIntent.getBroadcast(mService, INTENT_PLAYPAUSE, playIntent, PendingIntent.FLAG_UPDATE_CURRENT); playPauseIcon = R.drawable.ic_play_arrow_48dp; } NotificationCompat.Action playPauseAction = new NotificationCompat.Action.Builder(playPauseIcon, "PlayPause", playPauseIntent).build(); // Stop action Intent stopIntent = new Intent(BackgroundService.ACTION_STOP); PendingIntent stopPendingIntent = PendingIntent.getBroadcast(mService, INTENT_STOP, stopIntent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Action stopActon = new NotificationCompat.Action.Builder( R.drawable.ic_stop_black_48dp, "Stop", stopPendingIntent).build(); // Next song action Intent nextIntent = new Intent(BackgroundService.ACTION_NEXT); PendingIntent nextPendingIntent = PendingIntent.getBroadcast(mService, INTENT_NEXT, nextIntent, PendingIntent.FLAG_UPDATE_CURRENT); NotificationCompat.Action nextAction = new NotificationCompat.Action.Builder( R.drawable.ic_skip_next_48dp, "Next", nextPendingIntent).build(); // Quit action Intent quitIntent = new Intent(BackgroundService.ACTION_QUIT_BACKGROUND_SERVICE); PendingIntent quitPendingIntent = PendingIntent.getBroadcast(mService, INTENT_QUIT, quitIntent, PendingIntent.FLAG_UPDATE_CURRENT); mNotificationBuilder.setDeleteIntent(quitPendingIntent); mNotificationBuilder.setVisibility(NotificationCompat.VISIBILITY_PUBLIC); mNotificationBuilder.setSmallIcon(R.drawable.ic_notification_24dp); mNotificationBuilder.addAction(prevAction); mNotificationBuilder.addAction(playPauseAction); mNotificationBuilder.addAction(stopActon); mNotificationBuilder.addAction(nextAction); NotificationCompat.MediaStyle notificationStyle = new NotificationCompat.MediaStyle(); notificationStyle.setShowActionsInCompactView(1, 2); mNotificationBuilder.setStyle(notificationStyle); String title; if (track.getTrackTitle().isEmpty()) { title = FormatHelper.getFilenameFromPath(track.getPath()); } else { title = track.getTrackTitle(); } mNotificationBuilder.setContentTitle(title); String secondRow; if (!track.getTrackArtist().isEmpty() && !track.getTrackAlbum().isEmpty()) { secondRow = track.getTrackArtist() + mService.getString(R.string.track_item_separator) + track.getTrackAlbum(); } else if (track.getTrackArtist().isEmpty() && !track.getTrackAlbum().isEmpty()) { secondRow = track.getTrackAlbum(); } else if (track.getTrackAlbum().isEmpty() && !track.getTrackArtist().isEmpty()) { secondRow = track.getTrackArtist(); } else { secondRow = track.getPath(); } // Set the media session metadata updateMetadata(track, state); mNotificationBuilder.setContentText(secondRow); // Remove unnecessary time info mNotificationBuilder.setWhen(0); // Cover but only if changed if (mNotification == null || !track.getTrackAlbum().equals(mLastTrack.getTrackAlbum())) { mLastTrack = track; mLastBitmap = null; mCoverLoader.getImage(mLastTrack, true); } // Only set image if an saved one is available if (mLastBitmap != null) { mNotificationBuilder.setLargeIcon(mLastBitmap); } else { /** * Create a dummy placeholder image for versions greater android 7 because it * does not automatically show the application icon anymore in mediastyle notifications. */ if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { Drawable icon = mService.getDrawable(R.drawable.notification_placeholder_256dp); Bitmap iconBitmap = Bitmap.createBitmap(icon.getIntrinsicWidth(), icon.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(iconBitmap); DrawFilter filter = new PaintFlagsDrawFilter(Paint.ANTI_ALIAS_FLAG, 1); canvas.setDrawFilter(filter); icon.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); icon.setFilterBitmap(true); icon.draw(canvas); mNotificationBuilder.setLargeIcon(iconBitmap); } else { /** * For older android versions set the null icon which will result in a dummy icon * generated from the application icon. */ mNotificationBuilder.setLargeIcon(null); } } // Build the notification mNotification = mNotificationBuilder.build(); // Send the notification away mNotificationManager.notify(NOTIFICATION_ID, mNotification); } }
From source file:cn.edu.zafu.easemob.imagecoverflow.CoverFlowView.java
@Override protected void onDraw(Canvas canvas) { if (mAdapter == null) { super.onDraw(canvas); return;// w ww.j ava 2 s . c o m } canvas.setDrawFilter(mDrawFilter); final float offset = mOffset; int i = 0; int mid = (int) Math.floor(offset + 0.5); int rightChild = (mVisibleChildCount % 2 == 0) ? (mVisibleChildCount >> 1) - 1 : mVisibleChildCount >> 1; int leftChild = mVisibleChildCount >> 1; // draw the left children int startPos = mid - leftChild; for (i = startPos; i < mid; ++i) { drawChild(canvas, mid, i, i - offset); } // draw the right children int endPos = mid + rightChild; for (i = endPos; i >= mid; --i) { drawChild(canvas, mid, i, i - offset); } if ((offset - (int) offset) == 0.0f) { imageOnTop(getActuallyPosition((int) offset)); } super.onDraw(canvas); mCoverFlowListener.invalidationCompleted(); }
From source file:com.abslyon.abetterselection.CoverFlow.CoverFlowView.java
@Override protected void onDraw(Canvas canvas) { if (mAdapter == null) { super.onDraw(canvas); return;// w w w . j a v a 2s . co m } mDrawing = true; canvas.setDrawFilter(mDrawFilter); final float offset = mOffset; int i = 0; int mid = (int) Math.floor(offset + 0.5); int rightChild = (mVisibleChildCount % 2 == 0) ? (mVisibleChildCount >> 1) - 1 : mVisibleChildCount >> 1; int leftChild = mVisibleChildCount >> 1; // draw the left children int startPos = mid - leftChild; for (i = startPos; i < mid; ++i) { drawChild(canvas, i, i - offset); } // draw the right children int endPos = mid + rightChild; for (i = endPos; i >= mid; --i) { drawChild(canvas, i, i - offset); } if (mLastOffset != (int) offset) { imageOnTop(getActuallyPosition((int) offset)); mLastOffset = (int) offset; } mDrawing = false; final int removeCount = mRemoveReflectionPendingArray.size(); for (i = 0; i < removeCount; i++) { final int removePosition = mRemoveReflectionPendingArray.get(i); mRecycler.removeCachedBitmap(removePosition); } mRemoveReflectionPendingArray.clear(); super.onDraw(canvas); if (mCoverFlowListener != null) { mCoverFlowListener.invalidationCompleted(); } }
From source file:com.atobo.safecoo.view.coverflow.CoverFlowView.java
@Override protected void onDraw(Canvas canvas) { if (mAdapter == null) { super.onDraw(canvas); return;//from w w w . j a va2 s . c o m } mDrawing = true; canvas.setDrawFilter(mDrawFilter); final float offset = mOffset; int i = 0; int mid = (int) Math.floor(offset + 0.5); int rightChild = (mVisibleChildCount % 2 == 0) ? (mVisibleChildCount >> 1) - 1 : mVisibleChildCount >> 1; int leftChild = mVisibleChildCount >> 1; // draw the left children int startPos = mid - leftChild; for (i = startPos; i < mid; ++i) { drawChild(canvas, i, i - offset); } // draw the right children int endPos = mid + rightChild; for (i = endPos; i >= mid; --i) { drawChild(canvas, i, i - offset); } if (mLastOffset != (int) offset) { imageOnTop(getActuallyPosition((int) offset)); mLastOffset = (int) offset; } mDrawing = false; final int removeCount = mRemoveReflectionPendingArray.size(); for (i = 0; i < removeCount; i++) { final int removePosition = mRemoveReflectionPendingArray.get(i); mRecycler.removeCachedBitmap(removePosition); } mRemoveReflectionPendingArray.clear(); super.onDraw(canvas); if (mCoverFlowListener != null) { mCoverFlowListener.invalidationCompleted(); } }
From source file:com.dolphinwang.imagecoverflow.CoverFlowView.java
@Override protected void onDraw(Canvas canvas) { if (mAdapter == null) { super.onDraw(canvas); return;// w w w . j ava2 s .c om } mDrawing = true; canvas.setDrawFilter(mDrawFilter); final float offset = mOffset; int i = 0; int mid = (int) Math.floor(offset + 0.5); int rightChild = (mVisibleChildCount % 2 == 0) ? (mVisibleChildCount >> 1) - 1 : mVisibleChildCount >> 1; int leftChild = mVisibleChildCount >> 1; // draw the left children int startPos = mid - leftChild; for (i = startPos; i < mid; ++i) { drawChild(canvas, i, i - offset); } // draw the right children int endPos = mid + rightChild; for (i = endPos; i >= mid; --i) { drawChild(canvas, i, i - offset); } if (mLastOffset != (int) offset) { imageOnTop(getActuallyPosition((int) offset)); mLastOffset = (int) offset; } mDrawing = false; final int removeCount = mRemoveReflectionPendingArray.size(); for (i = 0; i < removeCount; i++) { final int removePosition = mRemoveReflectionPendingArray.get(i); mRecycler.removeCachedBitmap(removePosition); } mRemoveReflectionPendingArray.clear(); super.onDraw(canvas); mCoverFlowListener.invalidationCompleted(); }