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- /* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
- * Copyright 2016-2019 Brian P. Hinz
- *
- * This is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this software; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
- * USA.
- */
-
- package com.tigervnc.rfb;
-
- import java.awt.image.*;
-
- public class ManagedPixelBuffer extends FullFramePixelBuffer {
-
- public ManagedPixelBuffer() {
- datasize = 0;
- checkDataSize();
- }
-
- public ManagedPixelBuffer(PixelFormat pf, int w, int h)
- {
- super(pf, w, h, null);
- datasize = 0;
- checkDataSize();
- }
-
- public void setPF(PixelFormat pf) {
- format = pf; checkDataSize();
- }
-
- public void setSize(int w, int h) {
- width_ = w; height_ = h; checkDataSize();
- }
-
- final void checkDataSize() {
- int new_datasize = width_ * height_;
- if (datasize < new_datasize) {
- if (data != null) {
- datasize = 0; data = null;
- }
- if (new_datasize > 0) {
- ColorModel cm = format.getColorModel();
- data = cm.createCompatibleWritableRaster(width_, height_);
- image = new BufferedImage(cm, data, cm.isAlphaPremultiplied(), null);
- datasize = new_datasize;
- }
- }
- }
-
- protected int datasize;
- static LogWriter vlog = new LogWriter("ManagedPixelBuffer");
- }
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