List of usage examples for android.graphics Canvas drawCircle
public void drawCircle(float cx, float cy, float radius, @NonNull Paint paint)
From source file:br.com.mauker.materialseekbar.PinView.java
@Override public void draw(Canvas canvas) { //Draw pin if pressed if (mPinRadiusPx > 0 && (mHasBeenPressed || !mIsTemporary)) { // mBounds.set( // (int) mX - mPinRadiusPx, // (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding, // (int) mX + mPinRadiusPx, // (int) mY - (int) mPinPadding // ); mBounds.set((int) mX - mPinRadiusPx, (int) mY - (mPinRadiusPx * 2) - (int) mPinPadding, (int) mX + mPinRadiusPx, (int) mY - (int) mPinPadding); mPin.setBounds(mBounds);/* w w w . ja v a 2s .c o m*/ String text = mValue; calibrateTextSize(mTextPaint, text, mBounds.width()); mTextPaint.getTextBounds(text, 0, text.length(), mBounds); mTextPaint.setTextAlign(Paint.Align.CENTER); mPin.setColorFilter(mPinFilter); mPin.draw(canvas); canvas.drawText(text, mX, mY - mPinRadiusPx - mPinPadding + mTextYPadding, mTextPaint); } else { canvas.drawCircle(mX, mY, mCircleRadiusPx, mCirclePaint); } super.draw(canvas); }
From source file:com.tct.mail.utils.NotificationUtils.java
/** * Crop a square bitmap into a circular one. Used for both contact photos and letter tiles. * @param icon Square bitmap to crop/*w w w . j a v a2s . co m*/ * @return Circular bitmap */ private static Bitmap cropSquareIconToCircle(Bitmap icon) { final int iconWidth = icon.getWidth(); final Bitmap newIcon = Bitmap.createBitmap(iconWidth, iconWidth, Bitmap.Config.ARGB_8888); final Canvas canvas = new Canvas(newIcon); final Paint paint = new Paint(); final Rect rect = new Rect(0, 0, icon.getWidth(), icon.getHeight()); paint.setAntiAlias(true); canvas.drawARGB(0, 0, 0, 0); canvas.drawCircle(iconWidth / 2, iconWidth / 2, iconWidth / 2, paint); paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN)); canvas.drawBitmap(icon, rect, rect, paint); return newIcon; }
From source file:com.achep.acdisplay.ui.widgets.CircleView.java
@Override protected void onDraw(Canvas canvas) { final float ratio = calculateRatio(); // Draw all corners drawCornerIcon(canvas, mDrawableLeftTopCorner, 0, 0 /* left top */); drawCornerIcon(canvas, mDrawableRightTopCorner, 1, 0 /* right top */); drawCornerIcon(canvas, mDrawableLeftBottomCorner, 0, 1 /* left bottom */); drawCornerIcon(canvas, mDrawableRightBottomCorner, 1, 1 /* right bottom */); // Darkening background int alpha = (int) (mDarkening * 255); alpha += (int) ((255 - alpha) * ratio * 0.7f); // Change alpha dynamically canvas.drawColor(/* w ww . j a va 2 s . c o m*/ Color.argb(alpha, Color.red(mOuterColor), Color.green(mOuterColor), Color.blue(mOuterColor))); // Draw unlock circle mPaint.setColor(mInnerColor); mPaint.setAlpha((int) (255 * Math.pow(ratio, 1f / 3f))); canvas.drawCircle(mPoint[0], mPoint[1], mRadiusDrawn, mPaint); if (ratio >= 0.5f) { // Draw unlock icon at the center of circle float scale = 0.5f + 0.5f * ratio; canvas.save(); canvas.translate(mPoint[0] - mDrawable.getMinimumWidth() / 2 * scale, mPoint[1] - mDrawable.getMinimumHeight() / 2 * scale); canvas.scale(scale, scale); mDrawable.draw(canvas); canvas.restore(); } }
From source file:com.tbse.mywearapplication.WatchFaceDrawer.java
void onDraw(Context context, IWatchFaceConfig config, Canvas canvas, Rect bounds) { final Calendar calendar = config.getCalendar(); final boolean isAmbient = config.isAmbient(); final boolean isRound = config.isRound(); final boolean useLightTheme = !isAmbient && config.isLightTheme(); mBackgroundPaint.setColor(ContextCompat.getColor(context, useLightTheme ? R.color.watchface_background_light : R.color.watchface_background)); ///////////////////////////////////////////////////////////////////// // Draw your watch face here, using the provided canvas and bounds // ///////////////////////////////////////////////////////////////////// final int width = bounds.width(); final int height = bounds.height(); // Find the center. Ignore the window insets so that, on round // watches with a "chin", the watch face is centered on the entire // screen, not just the usable portion. final float centerX = width / 2f; final float centerY = height / 2f; // Draw the background. if (mIsMobilePreview) { if (isRound) { canvas.drawCircle(centerX, centerY, centerX, mPreviewBorderPaint); } else {/*from www. ja v a 2s. co m*/ final float radius = mPreviewSquareRadius; final RectF rectF = new RectF(0, 0, canvas.getWidth(), canvas.getHeight()); canvas.drawRoundRect(rectF, radius, radius, mPreviewBorderPaint); } final float translateXY = width * 0.05f; canvas.translate(translateXY, translateXY); canvas.scale(0.9f, 0.9f); if (isRound) { canvas.drawCircle(centerX, centerY, centerX, mBackgroundPaint); } else { canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), mBackgroundPaint); } } else { canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), mBackgroundPaint); } // Draw weather icon if (image != null) { Matrix matrix = new Matrix(); matrix.setTranslate(50, 90); matrix.preScale(0.2f, 0.2f); canvas.drawBitmap(image, matrix, null); } final float secRot = calendar.get(Calendar.SECOND) / 30f * (float) Math.PI; final int minutes = calendar.get(Calendar.MINUTE); final float minRot = minutes / 30f * (float) Math.PI; final float hrRot = ((calendar.get(Calendar.HOUR) + (minutes / 60f)) / 6f) * (float) Math.PI; final float secLength = centerX - mSecondOuterOffset; final float minLength = centerX - mMinuteOuterOffset; final float hrLength = centerX - mHourOuterOffset; if (!isAmbient) { final float secX = (float) Math.sin(secRot) * secLength; final float secY = (float) -Math.cos(secRot) * secLength; canvas.drawLine(centerX, centerY, centerX + secX, centerY + secY, mSecondHandPaint); } final float minX = (float) Math.sin(minRot) * minLength; final float minY = (float) -Math.cos(minRot) * minLength; canvas.drawLine(centerX, centerY, centerX + minX, centerY + minY, mMinuteHandPaint); final float hrX = (float) Math.sin(hrRot) * hrLength; final float hrY = (float) -Math.cos(hrRot) * hrLength; canvas.drawLine(centerX, centerY, centerX + hrX, centerY + hrY, mHourHandPaint); // Draw weather text canvas.drawText(day, 50, 50, isAmbient ? ambientTextPaint : textPaint); canvas.drawText(low, 50, 65, isAmbient ? ambientTextPaint : textPaint); canvas.drawText(high, 80, 65, isAmbient ? ambientTextPaint : textPaint); canvas.drawText(weatherDescription, 50, 80, isAmbient ? ambientTextPaint : textPaint); }
From source file:net.exclaimindustries.geohashdroid.util.KnownLocation.java
@NonNull private Bitmap buildMarkerBitmap(@NonNull Context c) { // Oh, this is going to be FUN. int dim = c.getResources().getDimensionPixelSize(R.dimen.known_location_marker_canvas_size); float radius = c.getResources().getDimension(R.dimen.known_location_pin_head_radius); Bitmap bitmap = Bitmap.createBitmap(dim, dim, Bitmap.Config.ARGB_8888); Canvas canvas = new Canvas(bitmap); Paint paint = new Paint(); paint.setAntiAlias(true);/*from w w w . j av a 2 s .c o m*/ KnownLocationPinData pinData = new KnownLocationPinData(c, mLocation); // Draw the pin line first. That goes from the bottom-center up to // wherever the radius and length take us. float topX = Double.valueOf((dim / 2) + (pinData.getLength() * Math.cos(pinData.getAngle()))).floatValue(); float topY = Double.valueOf(dim - (pinData.getLength() * Math.sin(pinData.getAngle()))).floatValue(); paint.setStrokeWidth(c.getResources().getDimension(R.dimen.known_location_stroke)); paint.setStyle(Paint.Style.STROKE); paint.setColor(Color.BLACK); canvas.drawLine(dim / 2, dim, topX, topY, paint); // On the top of that line, fill in a circle. paint.setColor(pinData.getColor()); paint.setStyle(Paint.Style.FILL); canvas.drawCircle(topX, topY, radius, paint); // And outline it. paint.setColor(Color.BLACK); paint.setStyle(Paint.Style.STROKE); canvas.drawCircle(topX, topY, radius, paint); return bitmap; }
From source file:com.plugin.weight.ripple.RippleLayoutView.java
@Override public void draw(Canvas canvas) { super.draw(canvas); if (animationRunning) { canvas.save();/*from ww w . ja va 2s .c o m*/ if (rippleDuration <= timer * frameRate) { animationRunning = false; timer = 0; durationEmpty = -1; timerEmpty = 0; // There is problem on Android M where canvas.restore() seems to be called automatically // For now, don't call canvas.restore() manually on Android M (API 23) if (Build.VERSION.SDK_INT != 23) { canvas.restore(); } invalidate(); if (onCompletionListener != null) onCompletionListener.onComplete(this); return; } else canvasHandler.postDelayed(runnable, frameRate); if (timer == 0) canvas.save(); canvas.drawCircle(x, y, (radiusMax * (((float) timer * frameRate) / rippleDuration)), paint); paint.setColor(Color.parseColor("#ffff4444")); if (rippleType == 1 && originBitmap != null && (((float) timer * frameRate) / rippleDuration) > 0.4f) { if (durationEmpty == -1) durationEmpty = rippleDuration - timer * frameRate; timerEmpty++; final Bitmap tmpBitmap = getCircleBitmap( (int) ((radiusMax) * (((float) timerEmpty * frameRate) / (durationEmpty)))); canvas.drawBitmap(tmpBitmap, 0, 0, paint); tmpBitmap.recycle(); } paint.setColor(rippleColor); if (rippleType == 1) { if ((((float) timer * frameRate) / rippleDuration) > 0.6f) paint.setAlpha((int) (rippleAlpha - ((rippleAlpha) * (((float) timerEmpty * frameRate) / (durationEmpty))))); else paint.setAlpha(rippleAlpha); } else paint.setAlpha( (int) (rippleAlpha - ((rippleAlpha) * (((float) timer * frameRate) / rippleDuration)))); timer++; } }
From source file:com.appeaser.sublimepickerlibrary.timepicker.RadialTimePickerView.java
private void drawCenter(Canvas canvas, float alphaMod) { mPaintCenter.setAlpha((int) (255 * alphaMod + 0.5f)); canvas.drawCircle(mXCenter, mYCenter, mCenterDotRadius, mPaintCenter); }
From source file:im.neon.util.NotificationUtils.java
/** * Build a message notification./* w ww .j a v a 2 s . co m*/ * @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.wabao.android.app.widget.CirclePageIndicator.java
@Override protected void onDraw(Canvas canvas) { super.onDraw(canvas); if (mViewPager == null) { return;/*from w ww .j a va 2 s .c o m*/ } final int count = mViewPager.getAdapter().getCount(); if (count == 0) { return; } if (mCurrentPage >= count) { setCurrentItem(count - 1); return; } final float indicatorWidth = (count * mGapWidth) - mGapWidth; final float paddingTop = getPaddingTop(); final float paddingLeft = getPaddingLeft(); final float paddingRight = getPaddingRight(); float verticalOffset = paddingTop + ((getHeight() - paddingTop - getPaddingBottom()) / 2.0f); float horizontalOffset = paddingLeft; if (mCentered) { horizontalOffset += ((getWidth() - paddingLeft - paddingRight) / 2.0f) - (indicatorWidth / 2.0f); } // Draw stroked circles for (int i = 0; i < count; i++) { float dx1 = horizontalOffset + (i * mGapWidth); canvas.drawCircle(dx1, verticalOffset, 10, (i == mCurrentPage) ? mPaintSelected : mPaintUnselected); } }
From source file:org.getlantern.firetweet.view.ShapedImageView.java
private void drawBorder(@NonNull final Canvas canvas, @NonNull final RectF dest) { if (mBorderColors == null) return;//from w w w.ja va 2 s.co m final RectF transitionSrc = mTransitionSource, transitionDst = mTransitionDestination; final float strokeWidth; if (transitionSrc != null && transitionDst != null) { final float progress = 1 - (dest.width() - transitionDst.width()) / (transitionSrc.width() - transitionDst.width()); strokeWidth = mStrokeWidth * progress; mBorderPaint.setAlpha(Math.round(mBorderAlpha * progress)); ViewCompat.setTranslationZ(this, -ViewCompat.getElevation(this) * (1 - progress)); } else { strokeWidth = mStrokeWidth; mBorderPaint.setAlpha(mBorderAlpha); ViewCompat.setTranslationZ(this, 0); } mBorderPaint.setStrokeWidth(strokeWidth); if (getStyle() == SHAPE_CIRCLE) { final float circleRadius = Math.min(dest.width(), dest.height()) / 2f - strokeWidth / 2; canvas.drawCircle(dest.centerX(), dest.centerY(), circleRadius, mBorderPaint); } else { final float radius = getCalculatedCornerRadius(); final float inset = mStrokeWidth / 2; dest.inset(inset, inset); canvas.drawRoundRect(dest, radius, radius, mBorderPaint); dest.inset(-inset, -inset); } }