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Diffstat (limited to 'libjava/java/awt/image/DataBuffer.java')
-rw-r--r-- | libjava/java/awt/image/DataBuffer.java | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/libjava/java/awt/image/DataBuffer.java b/libjava/java/awt/image/DataBuffer.java deleted file mode 100644 index b40dac122fe..00000000000 --- a/libjava/java/awt/image/DataBuffer.java +++ /dev/null @@ -1,177 +0,0 @@ -/* Copyright © 2000 Free Software Foundation - - This file is part of libgcj. - -This software is copyrighted work licensed under the terms of the -Libgcj License. Please consult the file "LIBGCJ_LICENSE" for -details. */ - -package java.awt.image; - -/** - * Class that manages arrays of data elements. A data buffer consists - * of one or more banks. A bank is a continuous region of data - * elements. - * - * @author Rolf W. Rasmussen <rolfwr@ii.uib.no> - */ -public abstract class DataBuffer -{ - public static final int TYPE_BYTE = 0; - public static final int TYPE_USHORT = 1; - public static final int TYPE_SHORT = 2; - public static final int TYPE_INT = 3; - public static final int TYPE_FLOAT = 4; - public static final int TYPE_DOUBLE = 5; - public static final int TYPE_UNDEFINED = 32; - - /** The type of the data elements stored in the data buffer. */ - protected int dataType; - - /** The number of banks in this buffer. */ - protected int banks = 1; - - /** Offset into the default (0'th) bank). */ - protected int offset; // FIXME: Is offsets[0] always mirrored in offset? - - /** The size of the banks. */ - protected int size; - - /** Offset into each bank. */ - protected int[] offsets; - - protected DataBuffer(int dataType, int size) - { - this.dataType = dataType; - this.size = size; - } - - protected DataBuffer(int dataType, int size, int numBanks) { - this(dataType, size); - banks = numBanks; - offsets = new int[numBanks]; - } - - protected DataBuffer(int dataType, int size, int numBanks, int offset) { - this(dataType, size, numBanks); - - java.util.Arrays.fill(offsets, offset); - - this.offset = offset; - } - - protected DataBuffer(int dataType, int size, int numBanks, int[] offsets) { - this(dataType, size); - if (numBanks != offsets.length) - throw new ArrayIndexOutOfBoundsException(); - - banks = numBanks; - this.offsets = offsets; - - offset = offsets[0]; - } - - public static int getDataTypeSize(int dataType) { - // Maybe this should be a lookup table instead. - switch (dataType) - { - case TYPE_BYTE: - return 8; - case TYPE_USHORT: - case TYPE_SHORT: - return 16; - case TYPE_INT: - case TYPE_FLOAT: - return 32; - case TYPE_DOUBLE: - return 64; - default: - throw new IllegalArgumentException(); - } - } - - public int getDataType() - { - return dataType; - } - - public int getSize() - { - return size; - } - - public int getOffset() - { - return offset; - } - - public int[] getOffsets() - { - if (offsets == null) - { - // is this necessary? - offsets = new int[1]; - offsets[0] = offset; - } - return offsets; - } - - public int getNumBanks() - { - return banks; - } - - public int getElem(int i) - { - return getElem(0, i); - } - - public abstract int getElem(int bank, int i); - - public void setElem(int i, int val) - { - setElem(0, i, val); - } - - public abstract void setElem(int bank, int i, int val); - - public float getElemFloat(int i) - { - return getElem(i); - } - - public float getElemFloat(int bank, int i) - { - return getElem(bank, i); - } - - public void setElemFloat(int i, float val) - { - setElem(i, (int) val); - } - - public void setElemFloat(int bank, int i, float val) - { - setElem(bank, i, (int) val); - } - - public double getElemDouble(int i) - { - return getElem(i); - } - - public double getElemDouble(int bank, int i) - { - return getElem(bank, i); - } - - public void setElemDouble(int i, double val) - { - setElem(i, (int) val); - } - - public void setElemDouble(int bank, int i, double val) - { - setElem(bank, i, (int) val); - } -} |