List of usage examples for android.graphics Canvas getWidth
public int getWidth()
From source file:io.jawg.osmcontributor.ui.utils.BitmapHandler.java
public static Bitmap drawableToBitmap(Drawable drawable) { if (drawable instanceof BitmapDrawable) { return ((BitmapDrawable) drawable).getBitmap(); }/* w w w. ja v a 2s. co m*/ Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); drawable.draw(canvas); return bitmap; }
From source file:com.google.samples.apps.iosched.util.UIUtils.java
public static Bitmap vectorToBitmap(@NonNull Context context, @DrawableRes int drawableResId) { VectorDrawableCompat vector = VectorDrawableCompat.create(context.getResources(), drawableResId, context.getTheme());//ww w .ja v a 2 s . c o m final Bitmap bitmap = Bitmap.createBitmap(vector.getIntrinsicWidth(), vector.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(bitmap); vector.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); vector.draw(canvas); return bitmap; }
From source file:de.mrapp.android.util.BitmapUtil.java
/** * Creates and returns a bitmap from a specific drawable. * * @param drawable/* w w w . j a v a2s . c o m*/ * The drawable, which should be converted, as an instance of the class {@link * Drawable}. The drawable may not be null * @return The bitmap, which has been created, as an instance of the class {@link Bitmap} */ public static Bitmap drawableToBitmap(@NonNull final Drawable drawable) { ensureNotNull(drawable, "The drawable may not be null"); if (drawable instanceof BitmapDrawable) { BitmapDrawable bitmapDrawable = (BitmapDrawable) drawable; if (bitmapDrawable.getBitmap() != null) { return bitmapDrawable.getBitmap(); } } Bitmap bitmap; if (drawable.getIntrinsicWidth() <= 0 || drawable.getIntrinsicHeight() <= 0) { bitmap = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888); } else { bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888); } Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); drawable.draw(canvas); return bitmap; }
From source file:org.wikipedia.page.shareafact.SnippetImage.java
private static void drawGradient(@NonNull Canvas canvas) { // draw a dark gradient over the image, so that the white text // will stand out better against it. final int gradientStartColor = 0x60000000; final int gradientStopColor = 0xA0000000; Shader shader = new LinearGradient(0, 0, 0, canvas.getHeight(), gradientStartColor, gradientStopColor, Shader.TileMode.CLAMP);//from w w w . j a va 2 s . c o m Paint paint = new Paint(); paint.setShader(shader); canvas.drawRect(new Rect(0, 0, canvas.getWidth(), canvas.getHeight()), paint); }
From source file:uk.org.ngo.squeezer.util.ImageWorker.java
/** * Adds a debug swatch to a canvas. The marker is a triangle pointing north-west * on the top left corner, the edges are 25% of the canvas' width and height. * * @param canvas The canvas to draw on./*from www . j av a 2 s . c o m*/ * @param color The colour to use for the swatch. */ public static void addDebugSwatch(Canvas canvas, int color) { float width = canvas.getWidth(); float height = canvas.getHeight(); Path path = new Path(); path.lineTo(width / 4, 0); path.lineTo(0, height / 4); path.lineTo(0, 0); // Draw the swatch. mCacheDebugPaint.setColor(color); mCacheDebugPaint.setStyle(Paint.Style.FILL); canvas.drawPath(path, mCacheDebugPaint); // Stroke the swatch with a white hairline. mCacheDebugPaint.setColor(Color.WHITE); mCacheDebugPaint.setStyle(Paint.Style.STROKE); mCacheDebugPaint.setStrokeWidth(0); canvas.drawPath(path, mCacheDebugPaint); }
From source file:im.neon.util.NotificationUtils.java
/** * Build a message notification.//from w ww.j ava 2s . c om * @param context the context * @param from the sender * @param matrixId the user account id; * @param displayMatrixId true to display the matrix id * @param largeIcon the notification icon * @param unseenNotifiedRoomsCount the number of notified rooms * @param body the message body * @param roomId the room id * @param roomName the room name * @param shouldPlaySound true when the notification as sound. * @param isInvitationEvent true if it is an invitation notification * @return the notification */ public static Notification buildMessageNotification(Context context, String from, String matrixId, boolean displayMatrixId, Bitmap largeIcon, int unseenNotifiedRoomsCount, String body, String roomId, String roomName, boolean shouldPlaySound, boolean isInvitationEvent) { NotificationCompat.Builder builder = new NotificationCompat.Builder(context); builder.setWhen(System.currentTimeMillis()); if (!TextUtils.isEmpty(from)) { // don't display the room name for 1:1 room notifications. if (!TextUtils.isEmpty(roomName) && !roomName.equals(from)) { builder.setContentTitle(from + " (" + roomName + ")"); } else { builder.setContentTitle(from); } } else { builder.setContentTitle(roomName); } builder.setContentText(body); builder.setAutoCancel(true); builder.setSmallIcon(R.drawable.message_notification_transparent); if (null != largeIcon) { largeIcon = createSquareBitmap(largeIcon); // add a bubble in the top right if (0 != unseenNotifiedRoomsCount) { try { android.graphics.Bitmap.Config bitmapConfig = largeIcon.getConfig(); // set default bitmap config if none if (bitmapConfig == null) { bitmapConfig = android.graphics.Bitmap.Config.ARGB_8888; } // setLargeIcon must used a 64 * 64 pixels bitmap // rescale to have the same text UI. float densityScale = context.getResources().getDisplayMetrics().density; int side = (int) (64 * densityScale); Bitmap bitmapCopy = Bitmap.createBitmap(side, side, bitmapConfig); Canvas canvas = new Canvas(bitmapCopy); // resize the bitmap to fill in size int bitmapWidth = largeIcon.getWidth(); int bitmapHeight = largeIcon.getHeight(); float scale = Math.min((float) canvas.getWidth() / (float) bitmapWidth, (float) canvas.getHeight() / (float) bitmapHeight); int scaledWidth = (int) (bitmapWidth * scale); int scaledHeight = (int) (bitmapHeight * scale); Bitmap rescaledBitmap = Bitmap.createScaledBitmap(largeIcon, scaledWidth, scaledHeight, true); canvas.drawBitmap(rescaledBitmap, (side - scaledWidth) / 2, (side - scaledHeight) / 2, null); String text = "" + unseenNotifiedRoomsCount; // prepare the text drawing Paint textPaint = new Paint(); textPaint.setTypeface(Typeface.create(Typeface.DEFAULT, Typeface.BOLD)); textPaint.setColor(Color.WHITE); textPaint.setTextSize(10 * densityScale); // get its size Rect textBounds = new Rect(); if (-1 == mUnreadBubbleWidth) { textPaint.getTextBounds("99", 0, 2, textBounds); mUnreadBubbleWidth = textBounds.width(); } textPaint.getTextBounds(text, 0, text.length(), textBounds); // draw a red circle int radius = mUnreadBubbleWidth; Paint paint = new Paint(); paint.setStyle(Paint.Style.FILL); paint.setColor(Color.RED); canvas.drawCircle(canvas.getWidth() - radius, radius, radius, paint); // draw the text canvas.drawText(text, canvas.getWidth() - textBounds.width() - (radius - (textBounds.width() / 2)), -textBounds.top + (radius - (-textBounds.top / 2)), textPaint); // get the new bitmap largeIcon = bitmapCopy; } catch (Exception e) { Log.e(LOG_TAG, "## buildMessageNotification(): Exception Msg=" + e.getMessage()); } } builder.setLargeIcon(largeIcon); } String name = ": "; if (!TextUtils.isEmpty(roomName)) { name = " (" + roomName + "): "; } if (displayMatrixId) { from = "[" + matrixId + "]\n" + from; } builder.setTicker(from + name + body); TaskStackBuilder stackBuilder; Intent intent; intent = new Intent(context, VectorRoomActivity.class); intent.putExtra(VectorRoomActivity.EXTRA_ROOM_ID, roomId); if (null != matrixId) { intent.putExtra(VectorRoomActivity.EXTRA_MATRIX_ID, matrixId); } stackBuilder = TaskStackBuilder.create(context).addParentStack(VectorRoomActivity.class) .addNextIntent(intent); // android 4.3 issue // use a generator for the private requestCode. // When using 0, the intent is not created/launched when the user taps on the notification. // PendingIntent pendingIntent = stackBuilder.getPendingIntent((new Random()).nextInt(1000), PendingIntent.FLAG_UPDATE_CURRENT); builder.setContentIntent(pendingIntent); // display the message with more than 1 lines when the device supports it NotificationCompat.BigTextStyle textStyle = new NotificationCompat.BigTextStyle(); textStyle.bigText(from + ":" + body); builder.setStyle(textStyle); // do not offer to quick respond if the user did not dismiss the previous one if (!LockScreenActivity.isDisplayingALockScreenActivity()) { if (!isInvitationEvent) { // offer to type a quick answer (i.e. without launching the application) Intent quickReplyIntent = new Intent(context, LockScreenActivity.class); quickReplyIntent.putExtra(LockScreenActivity.EXTRA_ROOM_ID, roomId); quickReplyIntent.putExtra(LockScreenActivity.EXTRA_SENDER_NAME, from); quickReplyIntent.putExtra(LockScreenActivity.EXTRA_MESSAGE_BODY, body); if (null != matrixId) { quickReplyIntent.putExtra(LockScreenActivity.EXTRA_MATRIX_ID, matrixId); } // the action must be unique else the parameters are ignored quickReplyIntent.setAction(QUICK_LAUNCH_ACTION + ((int) (System.currentTimeMillis()))); PendingIntent pIntent = PendingIntent.getActivity(context, 0, quickReplyIntent, 0); builder.addAction(R.drawable.vector_notification_quick_reply, context.getString(R.string.action_quick_reply), pIntent); } else { { // offer to type a quick reject button Intent leaveIntent = new Intent(context, JoinScreenActivity.class); leaveIntent.putExtra(JoinScreenActivity.EXTRA_ROOM_ID, roomId); leaveIntent.putExtra(JoinScreenActivity.EXTRA_MATRIX_ID, matrixId); leaveIntent.putExtra(JoinScreenActivity.EXTRA_REJECT, true); // the action must be unique else the parameters are ignored leaveIntent.setAction(QUICK_LAUNCH_ACTION + ((int) (System.currentTimeMillis()))); PendingIntent pIntent = PendingIntent.getActivity(context, 0, leaveIntent, 0); builder.addAction(R.drawable.vector_notification_reject_invitation, context.getString(R.string.reject), pIntent); } { // offer to type a quick accept button Intent acceptIntent = new Intent(context, JoinScreenActivity.class); acceptIntent.putExtra(JoinScreenActivity.EXTRA_ROOM_ID, roomId); acceptIntent.putExtra(JoinScreenActivity.EXTRA_MATRIX_ID, matrixId); acceptIntent.putExtra(JoinScreenActivity.EXTRA_JOIN, true); // the action must be unique else the parameters are ignored acceptIntent.setAction(QUICK_LAUNCH_ACTION + ((int) (System.currentTimeMillis()))); PendingIntent pIntent = PendingIntent.getActivity(context, 0, acceptIntent, 0); builder.addAction(R.drawable.vector_notification_accept_invitation, context.getString(R.string.join), pIntent); } } // Build the pending intent for when the notification is clicked Intent roomIntentTap; if (isInvitationEvent) { // for invitation the room preview must be displayed roomIntentTap = CommonActivityUtils.buildIntentPreviewRoom(matrixId, roomId, context, VectorFakeRoomPreviewActivity.class); } else { roomIntentTap = new Intent(context, VectorRoomActivity.class); roomIntentTap.putExtra(VectorRoomActivity.EXTRA_ROOM_ID, roomId); } // the action must be unique else the parameters are ignored roomIntentTap.setAction(TAP_TO_VIEW_ACTION + ((int) (System.currentTimeMillis()))); // Recreate the back stack TaskStackBuilder stackBuilderTap = TaskStackBuilder.create(context) .addParentStack(VectorRoomActivity.class).addNextIntent(roomIntentTap); builder.addAction(R.drawable.vector_notification_open, context.getString(R.string.action_open), stackBuilderTap.getPendingIntent(0, PendingIntent.FLAG_UPDATE_CURRENT)); } //extendForCar(context, builder, roomId, roomName, from, body); Notification n = builder.build(); n.flags |= Notification.FLAG_SHOW_LIGHTS; n.defaults |= Notification.DEFAULT_LIGHTS; if (shouldPlaySound) { n.defaults |= Notification.DEFAULT_SOUND; } if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.M) { // some devices crash if this field is not set // even if it is deprecated // setLatestEventInfo() is deprecated on Android M, so we try to use // reflection at runtime, to avoid compiler error: "Cannot resolve method.." try { Method deprecatedMethod = n.getClass().getMethod("setLatestEventInfo", Context.class, CharSequence.class, CharSequence.class, PendingIntent.class); deprecatedMethod.invoke(n, context, from, body, pendingIntent); } catch (Exception ex) { Log.e(LOG_TAG, "## buildMessageNotification(): Exception - setLatestEventInfo() Msg=" + ex.getMessage()); } } return n; }
From source file:com.forrestguice.suntimeswidget.SuntimesUtils.java
/** * @param context context used to access resources * @param drawable a Drawable/*from w ww . j a v a 2s. co m*/ * @param w width (pixels or dp) * @param h height (pixels or dp) * @param pxValues true w and h are in pixels, false w and h are in dp * @return a Bitmap measuring w,h of the specified drawable */ public static Bitmap drawableToBitmap(Context context, Drawable drawable, int w, int h, boolean pxValues) { if (drawable instanceof BitmapDrawable) { return ((BitmapDrawable) drawable).getBitmap(); } if (!pxValues) { DisplayMetrics metrics = context.getResources().getDisplayMetrics(); w = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, w, metrics); h = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, h, metrics); } //Log.d("DEBUG", "drawableToBitmap: " + drawable.toString() + "::" + w + ", " + h); if (w <= 0 || h <= 0) { Log.w("drawableToBitmap", "invalid width or height: " + w + ", " + h); w = h = 1; } Bitmap bitmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); drawable.draw(canvas); return bitmap; }
From source file:io.jawg.osmcontributor.ui.utils.views.customs.ImageProgressBar.java
@Override public void draw(Canvas canvas) { oval.set(canvas.getWidth() / 2 - radius, canvas.getHeight() / 2 - radius, canvas.getWidth() / 2 + radius, canvas.getHeight() / 2 + radius); drawCircle(canvas, level, color);//from ww w.ja v a2 s . c o m }
From source file:com.github.topbottomsnackbar.TBSnackbar.java
@TargetApi(Build.VERSION_CODES.LOLLIPOP) private static Bitmap getBitmap(VectorDrawable vectorDrawable) { Bitmap bitmap = Bitmap.createBitmap(vectorDrawable.getIntrinsicWidth(), vectorDrawable.getIntrinsicHeight(), Bitmap.Config.ARGB_8888);/*from w w w .jav a 2 s. c o m*/ Canvas canvas = new Canvas(bitmap); vectorDrawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight()); vectorDrawable.draw(canvas); return bitmap; }
From source file:com.microsoft.mimickeralarm.onboarding.BubblePagerIndicator.java
@Override protected void onDraw(Canvas canvas) { int width = canvas.getWidth(); int height = canvas.getHeight(); if (mTotalPositions == 0) { return;/* w w w . ja v a 2 s. c om*/ } mPaint.setAlpha(122); float buckets = (float) width / mTotalPositions; float radius = Math.min(buckets / 2f, height / 2f); for (int i = 0; i < mTotalPositions; i++) { canvas.drawCircle(i * buckets + buckets / 2f, height / 2f, radius, mPaint); } mPaint.setAlpha(255); canvas.drawCircle(mPosition * buckets + buckets / 2f, height / 2f, radius, mPaint); }