| /* JPEGFrame.java -- |
| Copyright (C) 2005 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath 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, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| package gnu.javax.imageio.jpeg; |
| |
| import javax.imageio.plugins.jpeg.JPEGHuffmanTable; |
| |
| public class JPEGFrame |
| { |
| public final static byte JPEG_COLOR_GRAY = 1; |
| public final static byte JPEG_COLOR_RGB = 2; |
| public final static byte JPEG_COLOR_YCbCr = 3; |
| public final static byte JPEG_COLOR_CMYK = 4; |
| |
| public byte precision = 8; |
| public byte colorMode = JPEGFrame.JPEG_COLOR_YCbCr; |
| public byte componentCount = 0; |
| |
| public short width=0, height=0; |
| |
| public JPEGScan components; |
| |
| public JPEGFrame() |
| { |
| components = new JPEGScan(); |
| } |
| |
| public void addComponent(byte componentID, byte sampleFactors, |
| byte quantizationTableID) |
| { |
| byte sampleHorizontalFactor = (byte)(sampleFactors >> 4); |
| byte sampleVerticalFactor = (byte)(sampleFactors & 0x0f); |
| components.addComponent(componentID, sampleHorizontalFactor, |
| sampleVerticalFactor, quantizationTableID); |
| } |
| |
| public void setPrecision(byte data) |
| { |
| precision = data; |
| } |
| |
| public void setScanLines(short data) |
| { |
| height = data; |
| } |
| |
| public void setSamplesPerLine(short data) |
| { |
| width = data; |
| } |
| |
| public void setColorMode(byte data) |
| { |
| colorMode = data; |
| } |
| |
| public void setComponentCount(byte data) |
| { |
| componentCount = data; |
| } |
| |
| public byte getComponentCount() |
| { |
| return componentCount; |
| } |
| |
| public void setHuffmanTables(byte componentID, JPEGHuffmanTable ACTable, |
| JPEGHuffmanTable DCTable) |
| { |
| JPEGComponent comp = (JPEGComponent)components.getComponentByID(componentID); |
| comp.setACTable(ACTable); |
| comp.setDCTable(DCTable); |
| } |
| } |