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-rw-r--r--awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java171
-rw-r--r--awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java49
-rw-r--r--awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java96
-rw-r--r--awt/javax/imageio/plugins/jpeg/JPEGQTable.java121
-rw-r--r--awt/javax/imageio/plugins/jpeg/package.html8
5 files changed, 246 insertions, 199 deletions
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java b/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java
index 398c960..67b504b 100644
--- a/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java
+++ b/awt/javax/imageio/plugins/jpeg/JPEGHuffmanTable.java
@@ -18,82 +18,90 @@
package javax.imageio.plugins.jpeg;
/**
- * The JPEGHuffmanTable class represents a single JPEG Huffman table.
- * It contains the standard tables from the JPEG specification.
+ * The JPEGHuffmanTable class represents a single JPEG Huffman table. It
+ * contains the standard tables from the JPEG specification.
+ *
+ * @since Android 1.0
*/
public class JPEGHuffmanTable {
-
- /** The standard DC luminance Huffman table . */
- public static final JPEGHuffmanTable StdDCLuminance = new JPEGHuffmanTable(
- new short[] {0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0},
- new short[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B},
- false
- );
-
- /** The standard DC chrominance Huffman table. */
- public static final JPEGHuffmanTable StdDCChrominance = new JPEGHuffmanTable(
- new short[] {0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0},
- new short[] {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B},
- false
- );
-
- /** The standard AC luminance Huffman table. */
- public static final JPEGHuffmanTable StdACLuminance = new JPEGHuffmanTable(
- new short[] {0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7D},
- new short[] {
- 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06,
- 0x13, 0x51, 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08,
- 0x23, 0x42, 0xB1, 0xC1, 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72,
- 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28,
- 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44, 0x45,
- 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59,
- 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
- 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
- 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3,
- 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6,
- 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9,
- 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA, 0xE1, 0xE2,
- 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2, 0xF3, 0xF4,
- 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
- },
- false
- );
-
- /**
- * The standard AC chrominance Huffman table. */
- public static final JPEGHuffmanTable StdACChrominance = new JPEGHuffmanTable(
- new short[] {0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77},
- new short[] {
- 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41,
- 0x51, 0x07, 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91,
- 0xA1, 0xB1, 0xC1, 0x09, 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1,
- 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25, 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26,
- 0x27, 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3A, 0x43, 0x44,
- 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
- 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74,
- 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
- 0x88, 0x89, 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A,
- 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4,
- 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
- 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8, 0xD9, 0xDA,
- 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF2, 0xF3, 0xF4,
- 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
- },
- false
- );
-
- /** The lengths. */
+
+ /**
+ * The standard DC luminance Huffman table .
+ */
+ public static final JPEGHuffmanTable StdDCLuminance = new JPEGHuffmanTable(new short[] {
+ 0, 1, 5, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0
+ }, new short[] {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B
+ }, false);
+
+ /**
+ * The standard DC chrominance Huffman table.
+ */
+ public static final JPEGHuffmanTable StdDCChrominance = new JPEGHuffmanTable(new short[] {
+ 0, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0
+ }, new short[] {
+ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0x0A, 0x0B
+ }, false);
+
+ /**
+ * The standard AC luminance Huffman table.
+ */
+ public static final JPEGHuffmanTable StdACLuminance = new JPEGHuffmanTable(new short[] {
+ 0, 2, 1, 3, 3, 2, 4, 3, 5, 5, 4, 4, 0, 0, 1, 0x7D
+ }, new short[] {
+ 0x01, 0x02, 0x03, 0x00, 0x04, 0x11, 0x05, 0x12, 0x21, 0x31, 0x41, 0x06, 0x13, 0x51,
+ 0x61, 0x07, 0x22, 0x71, 0x14, 0x32, 0x81, 0x91, 0xA1, 0x08, 0x23, 0x42, 0xB1, 0xC1,
+ 0x15, 0x52, 0xD1, 0xF0, 0x24, 0x33, 0x62, 0x72, 0x82, 0x09, 0x0A, 0x16, 0x17, 0x18,
+ 0x19, 0x1A, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39,
+ 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56, 0x57,
+ 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74, 0x75,
+ 0x76, 0x77, 0x78, 0x79, 0x7A, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, 0x8A, 0x92,
+ 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6, 0xA7,
+ 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA, 0xC2, 0xC3,
+ 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD7, 0xD8,
+ 0xD9, 0xDA, 0xE1, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF1, 0xF2,
+ 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
+ }, false);
+
+ /**
+ * The standard AC chrominance Huffman table.
+ */
+ public static final JPEGHuffmanTable StdACChrominance = new JPEGHuffmanTable(new short[] {
+ 0, 2, 1, 2, 4, 4, 3, 4, 7, 5, 4, 4, 0, 1, 2, 0x77
+ }, new short[] {
+ 0x00, 0x01, 0x02, 0x03, 0x11, 0x04, 0x05, 0x21, 0x31, 0x06, 0x12, 0x41, 0x51, 0x07,
+ 0x61, 0x71, 0x13, 0x22, 0x32, 0x81, 0x08, 0x14, 0x42, 0x91, 0xA1, 0xB1, 0xC1, 0x09,
+ 0x23, 0x33, 0x52, 0xF0, 0x15, 0x62, 0x72, 0xD1, 0x0A, 0x16, 0x24, 0x34, 0xE1, 0x25,
+ 0xF1, 0x17, 0x18, 0x19, 0x1A, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x35, 0x36, 0x37, 0x38,
+ 0x39, 0x3A, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, 0x4A, 0x53, 0x54, 0x55, 0x56,
+ 0x57, 0x58, 0x59, 0x5A, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, 0x6A, 0x73, 0x74,
+ 0x75, 0x76, 0x77, 0x78, 0x79, 0x7A, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89,
+ 0x8A, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, 0x9A, 0xA2, 0xA3, 0xA4, 0xA5,
+ 0xA6, 0xA7, 0xA8, 0xA9, 0xAA, 0xB2, 0xB3, 0xB4, 0xB5, 0xB6, 0xB7, 0xB8, 0xB9, 0xBA,
+ 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7, 0xC8, 0xC9, 0xCA, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
+ 0xD7, 0xD8, 0xD9, 0xDA, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6, 0xE7, 0xE8, 0xE9, 0xEA, 0xF2,
+ 0xF3, 0xF4, 0xF5, 0xF6, 0xF7, 0xF8, 0xF9, 0xFA
+ }, false);
+
+ /**
+ * The lengths.
+ */
private short lengths[];
-
- /** The values. */
+
+ /**
+ * The values.
+ */
private short values[];
/**
* Instantiates a new jPEG huffman table.
*
- * @param lengths the lengths
- * @param values the values
- * @param copy the copy
+ * @param lengths
+ * the lengths
+ * @param values
+ * the values
+ * @param copy
+ * the copy
*/
JPEGHuffmanTable(short[] lengths, short[] values, boolean copy) {
// Construction of standard tables without checks
@@ -106,9 +114,11 @@ public class JPEGHuffmanTable {
/**
* Instantiates a new JPEGHuffmanTable.
*
- * @param lengths the array of shorts lengths.
- * @param values the array of shorts containing
- * the values in order of increasing code length.
+ * @param lengths
+ * the array of shorts lengths.
+ * @param values
+ * the array of shorts containing the values in order of
+ * increasing code length.
*/
public JPEGHuffmanTable(short[] lengths, short[] values) {
if (lengths == null) {
@@ -145,8 +155,8 @@ public class JPEGHuffmanTable {
/**
* Gets an array of lengths in the Huffman table.
*
- * @return the array of short values representing the
- * length values in the Huffman table.
+ * @return the array of short values representing the length values in the
+ * Huffman table.
*/
public short[] getLengths() {
short newLengths[] = new short[lengths.length];
@@ -155,8 +165,7 @@ public class JPEGHuffmanTable {
}
/**
- * Gets an array of values represented by increasing length of
- * their codes.
+ * Gets an array of values represented by increasing length of their codes.
*
* @return the array of values.
*/
@@ -169,8 +178,10 @@ public class JPEGHuffmanTable {
/**
* Check huffman table.
*
- * @param lengths the lengths
- * @param values the values
+ * @param lengths
+ * the lengths.
+ * @param values
+ * the values.
*/
private static void checkHuffmanTable(short[] lengths, short[] values) {
int numLeaves = 0;
@@ -179,13 +190,15 @@ public class JPEGHuffmanTable {
numLeaves += length;
possibleLeaves -= length;
if (possibleLeaves < 0) {
- throw new IllegalArgumentException("Invalid Huffman table provided, lengths are incorrect.");
+ throw new IllegalArgumentException(
+ "Invalid Huffman table provided, lengths are incorrect.");
}
possibleLeaves <<= 1;
}
if (values.length != numLeaves) {
- throw new IllegalArgumentException("Invalid Huffman table provided, sum of lengths != values.");
+ throw new IllegalArgumentException(
+ "Invalid Huffman table provided, sum of lengths != values.");
}
}
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
index dd08d51..2f3a9a8 100644
--- a/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
+++ b/awt/javax/imageio/plugins/jpeg/JPEGImageReadParam.java
@@ -20,18 +20,26 @@ package javax.imageio.plugins.jpeg;
import javax.imageio.ImageReadParam;
/**
- * The JPEGImageReadParam class provides functionality to set Huffman tables
- * and quantization tables when using the JPEG reader plug-in.
+ * The JPEGImageReadParam class provides functionality to set Huffman tables and
+ * quantization tables when using the JPEG reader plug-in.
+ *
+ * @since Android 1.0
*/
public class JPEGImageReadParam extends ImageReadParam {
-
- /** The q tables. */
+
+ /**
+ * The q tables.
+ */
private JPEGQTable qTables[];
-
- /** The dc huffman tables. */
+
+ /**
+ * The dc huffman tables.
+ */
private JPEGHuffmanTable dcHuffmanTables[];
-
- /** The ac huffman tables. */
+
+ /**
+ * The ac huffman tables.
+ */
private JPEGHuffmanTable acHuffmanTables[];
/**
@@ -43,29 +51,28 @@ public class JPEGImageReadParam extends ImageReadParam {
/**
* Returns true if tables are set, false otherwise.
*
- * @return true if tables are set, false otherwise.
+ * @return true, if tables are set, false otherwise.
*/
public boolean areTablesSet() {
return qTables != null;
}
/**
- * Sets the quantization and Huffman tables for using in
- * decoding streams.
+ * Sets the quantization and Huffman tables for using in decoding streams.
*
- * @param qTables the quantization tables.
- * @param DCHuffmanTables the standart DC Huffman tables.
- * @param ACHuffmanTables the standart AC huffman tables.
+ * @param qTables
+ * the quantization tables.
+ * @param DCHuffmanTables
+ * the standart DC Huffman tables.
+ * @param ACHuffmanTables
+ * the standart AC huffman tables.
*/
- public void setDecodeTables(
- JPEGQTable[] qTables,
- JPEGHuffmanTable[] DCHuffmanTables,
- JPEGHuffmanTable[] ACHuffmanTables
- ) {
+ public void setDecodeTables(JPEGQTable[] qTables, JPEGHuffmanTable[] DCHuffmanTables,
+ JPEGHuffmanTable[] ACHuffmanTables) {
if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null) {
throw new IllegalArgumentException("Invalid JPEG table arrays");
}
- if(DCHuffmanTables.length != ACHuffmanTables.length) {
+ if (DCHuffmanTables.length != ACHuffmanTables.length) {
throw new IllegalArgumentException("Invalid JPEG table arrays");
}
if (qTables.length > 4 || DCHuffmanTables.length > 4) {
@@ -112,5 +119,5 @@ public class JPEGImageReadParam extends ImageReadParam {
*/
public JPEGHuffmanTable[] getACHuffmanTables() {
return acHuffmanTables == null ? null : acHuffmanTables.clone();
- }
+ }
}
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java b/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java
index 34a3cd9..b979911 100644
--- a/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java
+++ b/awt/javax/imageio/plugins/jpeg/JPEGImageWriteParam.java
@@ -23,38 +23,52 @@ import javax.imageio.ImageWriteParam;
import java.util.Locale;
/**
- * The JPEGImageWriteParam class allows to set JPEG Huffman tables
- * and quantization when using the JPEG writer plug-in.
+ * The JPEGImageWriteParam class allows to set JPEG Huffman tables and
+ * quantization when using the JPEG writer plug-in.
+ *
+ * @since Android 1.0
*/
public class JPEGImageWriteParam extends ImageWriteParam {
-
- /** The Constant COMP_QUALITY_VALUES. */
- private static final float[] COMP_QUALITY_VALUES = {0.05f, 0.75f, 0.95f};
-
- /** The Constant COMP_QUALITY_DESCRIPTIONS. */
+
+ /**
+ * The Constant COMP_QUALITY_VALUES.
+ */
+ private static final float[] COMP_QUALITY_VALUES = {
+ 0.05f, 0.75f, 0.95f
+ };
+
+ /**
+ * The Constant COMP_QUALITY_DESCRIPTIONS.
+ */
private static final String[] COMP_QUALITY_DESCRIPTIONS = {
- "Minimum useful",
- "Visually lossless",
- "Maximum useful"
+ "Minimum useful", "Visually lossless", "Maximum useful"
};
- /** The q tables. */
+ /**
+ * The q tables.
+ */
private JPEGQTable[] qTables;
-
- /** The dc huffman tables. */
+
+ /**
+ * The dc huffman tables.
+ */
private JPEGHuffmanTable[] dcHuffmanTables;
-
- /** The ac huffman tables. */
+
+ /**
+ * The ac huffman tables.
+ */
private JPEGHuffmanTable[] acHuffmanTables;
- /** The optimize huffman tables. */
+ /**
+ * The optimize huffman tables.
+ */
private boolean optimizeHuffmanTables;
/**
- * Instantiates a new JPEGImageWriteParam object with
- * the specified Locale.
+ * Instantiates a new JPEGImageWriteParam object with the specified Locale.
*
- * @param locale the Locale.
+ * @param locale
+ * the Locale.
*/
public JPEGImageWriteParam(Locale locale) {
super(locale);
@@ -63,37 +77,38 @@ public class JPEGImageWriteParam extends ImageWriteParam {
progressiveMode = ImageWriteParam.MODE_DISABLED;
canWriteCompressed = true;
- compressionTypes = new String[]{"JPEG"};
- compressionType = compressionTypes[0];
+ compressionTypes = new String[] {
+ "JPEG"
+ };
+ compressionType = compressionTypes[0];
compressionQuality = JPEGConsts.DEFAULT_JPEG_COMPRESSION_QUALITY;
}
/**
* Returns true if tables are set, false otherwise.
*
- * @return true if tables are set, false otherwise.
+ * @return true, if tables are set, false otherwise.
*/
public boolean areTablesSet() {
return qTables != null;
}
/**
- * Sets the quantization and Huffman tables for using in
- * encoding streams.
+ * Sets the quantization and Huffman tables for using in encoding streams.
*
- * @param qTables the quantization tables.
- * @param DCHuffmanTables the standart DC Huffman tables.
- * @param ACHuffmanTables the standart AC huffman tables.
+ * @param qTables
+ * the quantization tables.
+ * @param DCHuffmanTables
+ * the standart DC Huffman tables.
+ * @param ACHuffmanTables
+ * the standart AC huffman tables.
*/
- public void setEncodeTables(
- JPEGQTable[] qTables,
- JPEGHuffmanTable[] DCHuffmanTables,
- JPEGHuffmanTable[] ACHuffmanTables
- ) {
+ public void setEncodeTables(JPEGQTable[] qTables, JPEGHuffmanTable[] DCHuffmanTables,
+ JPEGHuffmanTable[] ACHuffmanTables) {
if (qTables == null || DCHuffmanTables == null || ACHuffmanTables == null) {
throw new IllegalArgumentException("Invalid JPEG table arrays");
}
- if(DCHuffmanTables.length != ACHuffmanTables.length) {
+ if (DCHuffmanTables.length != ACHuffmanTables.length) {
throw new IllegalArgumentException("Invalid JPEG table arrays");
}
if (qTables.length > 4 || DCHuffmanTables.length > 4) {
@@ -155,21 +170,22 @@ public class JPEGImageWriteParam extends ImageWriteParam {
}
/**
- * Sets the flag indicated that the writer will generate optimized
- * Huffman tables for the image as part of the writing process.
+ * Sets the flag indicated that the writer will generate optimized Huffman
+ * tables for the image as part of the writing process.
*
- * @param optimize the flag of optimizing huffman tables.
+ * @param optimize
+ * the flag of optimizing huffman tables.
*/
public void setOptimizeHuffmanTables(boolean optimize) {
optimizeHuffmanTables = optimize;
}
/**
- * Returns true if the writer generates optimized Huffman tables,
- * false otherwise.
+ * Returns true if the writer generates optimized Huffman tables, false
+ * otherwise.
*
- * @return the true if the writer generates optimized Huffman tables,
- * false otherwise.
+ * @return true, if the writer generates optimized Huffman tables, false
+ * otherwise.
*/
public boolean getOptimizeHuffmanTables() {
return optimizeHuffmanTables;
diff --git a/awt/javax/imageio/plugins/jpeg/JPEGQTable.java b/awt/javax/imageio/plugins/jpeg/JPEGQTable.java
index 0c5b37e..3461d46 100644
--- a/awt/javax/imageio/plugins/jpeg/JPEGQTable.java
+++ b/awt/javax/imageio/plugins/jpeg/JPEGQTable.java
@@ -18,88 +18,92 @@
* @author Rustem V. Rafikov
* @version $Revision: 1.3 $
*/
+
package javax.imageio.plugins.jpeg;
/**
- * The JPEGQTable class represents a single JPEG quantization table
- * and provides for the standard tables taken from the JPEG specification.
+ * The JPEGQTable class represents a single JPEG quantization table and provides
+ * for the standard tables taken from the JPEG specification.
+ *
+ * @since Android 1.0
*/
public class JPEGQTable {
- /** The Constant SIZE. */
+ /**
+ * The Constant SIZE.
+ */
private final static int SIZE = 64;
-
- /** The Constant BASELINE_MAX. */
+
+ /**
+ * The Constant BASELINE_MAX.
+ */
private final static int BASELINE_MAX = 255;
-
- /** The Constant MAX. */
- private final static int MAX = 32767;
+ /**
+ * The Constant MAX.
+ */
+ private final static int MAX = 32767;
- /** The table. */
+ /**
+ * The table.
+ */
private int[] theTable;
/*
- * K1 & K2 tables can be found in the JPEG format specification
- * at http://www.w3.org/Graphics/JPEG/itu-t81.pdf
+ * K1 & K2 tables can be found in the JPEG format specification at
+ * http://www.w3.org/Graphics/JPEG/itu-t81.pdf
*/
- /** The Constant K1LumTable. */
+ /**
+ * The Constant K1LumTable.
+ */
private static final int[] K1LumTable = new int[] {
- 16, 11, 10, 16, 24, 40, 51, 61,
- 12, 12, 14, 19, 26, 58, 60, 55,
- 14, 13, 16, 24, 40, 57, 69, 56,
- 14, 17, 22, 29, 51, 87, 80, 62,
- 18, 22, 37, 56, 68, 109, 103, 77,
- 24, 35, 55, 64, 81, 104, 113, 92,
- 49, 64, 78, 87, 103, 121, 120, 101,
- 72, 92, 95, 98, 112, 100, 103, 99
+ 16, 11, 10, 16, 24, 40, 51, 61, 12, 12, 14, 19, 26, 58, 60, 55, 14, 13, 16, 24, 40, 57,
+ 69, 56, 14, 17, 22, 29, 51, 87, 80, 62, 18, 22, 37, 56, 68, 109, 103, 77, 24, 35, 55,
+ 64, 81, 104, 113, 92, 49, 64, 78, 87, 103, 121, 120, 101, 72, 92, 95, 98, 112, 100,
+ 103, 99
};
- /** The Constant K2ChrTable. */
+ /**
+ * The Constant K2ChrTable.
+ */
private static final int[] K2ChrTable = new int[] {
- 17, 18, 24, 47, 99, 99, 99, 99,
- 18, 21, 26, 66, 99, 99, 99, 99,
- 24, 26, 56, 99, 99, 99, 99, 99,
- 47, 66, 99, 99, 99, 99, 99, 99,
- 99, 99, 99, 99, 99, 99, 99, 99,
- 99, 99, 99, 99, 99, 99, 99, 99,
- 99, 99, 99, 99, 99, 99, 99, 99,
- 99, 99, 99, 99, 99, 99, 99, 99
+ 17, 18, 24, 47, 99, 99, 99, 99, 18, 21, 26, 66, 99, 99, 99, 99, 24, 26, 56, 99, 99, 99,
+ 99, 99, 47, 66, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99,
+ 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99, 99
};
- /**
- * The K1Luminance indicates standart table K.1 from JPEG
- * specification and produces "good" quality output.
+ /**
+ * The K1Luminance indicates standard table K.1 from JPEG specification and
+ * produces "good" quality output.
*/
public static final JPEGQTable K1Luminance = new JPEGQTable(K1LumTable);
-
- /**
- * The K1Div2Luminance indicates K.1 table from JPEG
- * specification with all elements divided by 2 and produces
- * "very good" quality output.
+
+ /**
+ * The K1Div2Luminance indicates K.1 table from JPEG specification with all
+ * elements divided by 2 and produces "very good" quality output.
*/
public static final JPEGQTable K1Div2Luminance = K1Luminance.getScaledInstance(0.5f, true);
-
- /**
- * The K2Chrominance indicates K.2 table from JPEG
- * specification and produces "good" quality output.
+
+ /**
+ * The K2Chrominance indicates K.2 table from JPEG specification and
+ * produces "good" quality output.
*/
public static final JPEGQTable K2Chrominance = new JPEGQTable(K2ChrTable);
-
- /**
+
+ /**
* The Constant K2Div2Chrominance indicates K.2 table from JPEG
- * specification with all elements divided by 2 and produces
- * "very good" quality output.
+ * specification with all elements divided by 2 and produces "very good"
+ * quality output.
*/
public static final JPEGQTable K2Div2Chrominance = K2Chrominance.getScaledInstance(0.5f, true);;
-
/**
- * Instantiates a new JPEGQTable from the array, which
- * should contain 64 elements in natural order.
+ * Instantiates a new JPEGQTable from the array, which should contain 64
+ * elements in natural order.
*
- * @param table the quantization table.
+ * @param table
+ * the quantization table.
*/
public JPEGQTable(int[] table) {
if (table == null) {
@@ -112,23 +116,22 @@ public class JPEGQTable {
}
/**
- * Gets the current quantization table as an array of int values.
+ * Gets the current quantization table as an array of integer values.
*
- * @return the current quantization table as an array of int values.
+ * @return the current quantization table as an array of integer values.
*/
public int[] getTable() {
return theTable.clone();
}
/**
- * Gets the scaled instance as quantization table where
- * the values are multiplied by the scaleFactor and then clamped
- * if forceBaseline is true.
- *
- * @param scaleFactor the scale factor of table.
- * @param forceBaseline the force baseline flag, the values
- * should be clamped if true.
+ * Gets the scaled instance as quantization table where the values are
+ * multiplied by the scaleFactor and then clamped if forceBaseline is true.
*
+ * @param scaleFactor
+ * the scale factor of table.
+ * @param forceBaseline
+ * the force baseline flag, the values should be clamped if true.
* @return the new quantization table.
*/
public JPEGQTable getScaledInstance(float scaleFactor, boolean forceBaseline) {
@@ -156,7 +159,7 @@ public class JPEGQTable {
*/
@Override
public String toString() {
- //-- TODO more informative info
+ // -- TODO more informative info
return "JPEGQTable";
}
}
diff --git a/awt/javax/imageio/plugins/jpeg/package.html b/awt/javax/imageio/plugins/jpeg/package.html
new file mode 100644
index 0000000..14575c4
--- /dev/null
+++ b/awt/javax/imageio/plugins/jpeg/package.html
@@ -0,0 +1,8 @@
+<html>
+ <body>
+ <p>
+ This package contains auxiliary classes for the built-in JPEG image plug-in.
+ </p>
+ @since Android 1.0
+ </body>
+</html>
generated by cgit v1.1 at 2025-08-17 06:15:34 +0000