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package org.apache.poi.hssf.util;
import java.util.Collections;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Objects;
import org.apache.poi.ss.usermodel.Color;
import org.apache.poi.util.Removal;
/**
* Intends to provide support for the very evil index to triplet issue and
* will likely replace the color constants interface for HSSF 2.0.
* This class contains static inner class members for representing colors.
* Each color has an index (for the standard palette in Excel (tm) ),
* native (RGB) triplet and string triplet. The string triplet is as the
* color would be represented by Gnumeric. Having (string) this here is a bit of a
* collision of function between HSSF and the HSSFSerializer but I think its
* a reasonable one in this case.
*/
public class HSSFColor implements Color {
private static Map indexHash;
private static Map enumList;
private java.awt.Color color;
private int index;
private int index2;
/**
* Predefined HSSFColors with their given palette index (and an optional 2nd index)
*
* @since POI 3.16 beta 2
*/
public enum HSSFColorPredefined {
BLACK (0x08, -1, 0x000000),
BROWN (0x3C, -1, 0x993300),
OLIVE_GREEN (0x3B, -1, 0x333300),
DARK_GREEN (0x3A, -1, 0x003300),
DARK_TEAL (0x38, -1, 0x003366),
DARK_BLUE (0x12, 0x20, 0x000080),
INDIGO (0x3E, -1, 0x333399),
GREY_80_PERCENT (0x3F, -1, 0x333333),
ORANGE (0x35, -1, 0xFF6600),
DARK_YELLOW (0x13, -1, 0x808000),
GREEN (0x11, -1, 0x008000),
TEAL (0x15, 0x26, 0x008080),
BLUE (0x0C, 0x27, 0x0000FF),
BLUE_GREY (0x36, -1, 0x666699),
GREY_50_PERCENT (0x17, -1, 0x808080),
RED (0x0A, -1, 0xFF0000),
LIGHT_ORANGE (0x34, -1, 0xFF9900),
LIME (0x32, -1, 0x99CC00),
SEA_GREEN (0x39, -1, 0x339966),
AQUA (0x31, -1, 0x33CCCC),
LIGHT_BLUE (0x30, -1, 0x3366FF),
VIOLET (0x14, 0x24, 0x800080),
GREY_40_PERCENT (0x37, -1, 0x969696),
PINK (0x0E, 0x21, 0xFF00FF),
GOLD (0x33, -1, 0xFFCC00),
YELLOW (0x0D, 0x22, 0xFFFF00),
BRIGHT_GREEN (0x0B, -1, 0x00FF00),
TURQUOISE (0x0F, 0x23, 0x00FFFF),
DARK_RED (0x10, 0x25, 0x800000),
SKY_BLUE (0x28, -1, 0x00CCFF),
PLUM (0x3D, 0x19, 0x993366),
GREY_25_PERCENT (0x16, -1, 0xC0C0C0),
ROSE (0x2D, -1, 0xFF99CC),
LIGHT_YELLOW (0x2B, -1, 0xFFFF99),
LIGHT_GREEN (0x2A, -1, 0xCCFFCC),
LIGHT_TURQUOISE (0x29, 0x1B, 0xCCFFFF),
PALE_BLUE (0x2C, -1, 0x99CCFF),
LAVENDER (0x2E, -1, 0xCC99FF),
WHITE (0x09, -1, 0xFFFFFF),
CORNFLOWER_BLUE (0x18, -1, 0x9999FF),
LEMON_CHIFFON (0x1A, -1, 0xFFFFCC),
MAROON (0x19, -1, 0x7F0000),
ORCHID (0x1C, -1, 0x660066),
CORAL (0x1D, -1, 0xFF8080),
ROYAL_BLUE (0x1E, -1, 0x0066CC),
LIGHT_CORNFLOWER_BLUE(0x1F, -1, 0xCCCCFF),
TAN (0x2F, -1, 0xFFCC99),
/**
* Special Default/Normal/Automatic color.
* Note: This class is NOT in the default Map returned by HSSFColor.
* The index is a special case which is interpreted in the various setXXXColor calls.
*/
AUTOMATIC (0x40, -1, 0x000000);
private HSSFColor color;
HSSFColorPredefined(int index, int index2, int rgb) {
this.color = new HSSFColor(index, index2, new java.awt.Color(rgb));
}
/**
* @see HSSFColor#getIndex()
*/
public short getIndex() {
return color.getIndex();
}
/**
* @see HSSFColor#getIndex2()
*/
public short getIndex2() {
return color.getIndex2();
}
/**
* @see HSSFColor#getTriplet()
*/
public short [] getTriplet() {
return color.getTriplet();
}
/**
* @see HSSFColor#getHexString()
*/
public String getHexString() {
return color.getHexString();
}
/**
* @return (a copy of) the HSSFColor assigned to the enum
*/
public HSSFColor getColor() {
return new HSSFColor(getIndex(), getIndex2(), color.color);
}
}
/** Creates a new instance of HSSFColor */
public HSSFColor() {
// automatic index
this(0x40, -1, java.awt.Color.BLACK);
}
public HSSFColor(int index, int index2, java.awt.Color color) {
this.index = index;
this.index2 = index2;
this.color = color;
}
/**
* This function returns all the colours in an unmodifiable Map.
* The map is cached on first use.
*
* @return a Map containing all colours keyed by Integer excel-style palette indexes
*/
public static synchronized Map getIndexHash() {
if(indexHash == null) {
indexHash = Collections.unmodifiableMap( createColorsByIndexMap() );
}
return indexHash;
}
/**
* This function returns all the Colours, stored in a Map that
* can be edited. No caching is performed. If you don't need to edit
* the table, then call {@link #getIndexHash()} which returns a
* statically cached immutable map of colours.
*/
public static Map getMutableIndexHash() {
return createColorsByIndexMap();
}
private static Map createColorsByIndexMap() {
Map eList = mapEnumToColorClass();
Map result = new HashMap<>(eList.size() * 3 / 2);
for (Map.Entry colorRef : eList.entrySet()) {
Integer index1 = (int)colorRef.getKey().getIndex();
if (!result.containsKey(index1)) {
result.put(index1, colorRef.getValue());
}
Integer index2 = (int)colorRef.getKey().getIndex2();
if (index2 != -1 && !result.containsKey(index2)) {
result.put(index2, colorRef.getValue());
}
}
return result;
}
/**
* this function returns all colors in a hastable. It's not implemented as a
* static member/statically initialized because that would be dirty in a
* server environment as it is intended. This means you'll eat the time
* it takes to create it once per request but you will not hold onto it
* if you have none of those requests.
*
* @return a Map containing all colors keyed by String gnumeric-like triplets
*/
public static Map getTripletHash()
{
return createColorsByHexStringMap();
}
private static Map createColorsByHexStringMap() {
Map eList = mapEnumToColorClass();
Map result = new HashMap<>(eList.size());
for (Map.Entry colorRef : eList.entrySet()) {
String hexString = colorRef.getKey().getHexString();
if (!result.containsKey(hexString)) {
result.put(hexString, colorRef.getValue());
}
}
return result;
}
/**
* Maps the Enums to the HSSFColor, in cases of user code evaluating the classname
*
* @deprecated in 3.16 - remove mapping when subclasses are removed and access
* HSSFColorPredefined.values() directly (but exclude AUTOMATIC)
*/
@Deprecated
@Removal(version="3.18")
private static synchronized Map mapEnumToColorClass() {
if (enumList == null) {
enumList = new EnumMap<>(HSSFColorPredefined.class);
// AUTOMATIC is not add to list
addHSSFColorPredefined(HSSFColorPredefined.BLACK);
addHSSFColorPredefined(HSSFColorPredefined.BROWN);
addHSSFColorPredefined(HSSFColorPredefined.OLIVE_GREEN);
addHSSFColorPredefined(HSSFColorPredefined.DARK_GREEN);
addHSSFColorPredefined(HSSFColorPredefined.DARK_TEAL);
addHSSFColorPredefined(HSSFColorPredefined.DARK_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.INDIGO);
addHSSFColorPredefined(HSSFColorPredefined.GREY_80_PERCENT);
addHSSFColorPredefined(HSSFColorPredefined.ORANGE);
addHSSFColorPredefined(HSSFColorPredefined.DARK_YELLOW);
addHSSFColorPredefined(HSSFColorPredefined.GREEN);
addHSSFColorPredefined(HSSFColorPredefined.TEAL);
addHSSFColorPredefined(HSSFColorPredefined.BLUE);
addHSSFColorPredefined(HSSFColorPredefined.BLUE_GREY);
addHSSFColorPredefined(HSSFColorPredefined.GREY_50_PERCENT);
addHSSFColorPredefined(HSSFColorPredefined.RED);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_ORANGE);
addHSSFColorPredefined(HSSFColorPredefined.LIME);
addHSSFColorPredefined(HSSFColorPredefined.SEA_GREEN);
addHSSFColorPredefined(HSSFColorPredefined.AQUA);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.VIOLET);
addHSSFColorPredefined(HSSFColorPredefined.GREY_40_PERCENT);
addHSSFColorPredefined(HSSFColorPredefined.PINK);
addHSSFColorPredefined(HSSFColorPredefined.GOLD);
addHSSFColorPredefined(HSSFColorPredefined.YELLOW);
addHSSFColorPredefined(HSSFColorPredefined.BRIGHT_GREEN);
addHSSFColorPredefined(HSSFColorPredefined.TURQUOISE);
addHSSFColorPredefined(HSSFColorPredefined.DARK_RED);
addHSSFColorPredefined(HSSFColorPredefined.SKY_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.PLUM);
addHSSFColorPredefined(HSSFColorPredefined.GREY_25_PERCENT);
addHSSFColorPredefined(HSSFColorPredefined.ROSE);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_YELLOW);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_GREEN);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_TURQUOISE);
addHSSFColorPredefined(HSSFColorPredefined.PALE_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.LAVENDER);
addHSSFColorPredefined(HSSFColorPredefined.WHITE);
addHSSFColorPredefined(HSSFColorPredefined.CORNFLOWER_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.LEMON_CHIFFON);
addHSSFColorPredefined(HSSFColorPredefined.MAROON);
addHSSFColorPredefined(HSSFColorPredefined.ORCHID);
addHSSFColorPredefined(HSSFColorPredefined.CORAL);
addHSSFColorPredefined(HSSFColorPredefined.ROYAL_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.LIGHT_CORNFLOWER_BLUE);
addHSSFColorPredefined(HSSFColorPredefined.TAN);
}
return enumList;
}
private static void addHSSFColorPredefined(HSSFColorPredefined color) {
enumList.put(color, color.getColor());
}
/**
* returns color standard palette index
* @return index to the standard palette
*/
public short getIndex() {
return (short)index;
}
/**
* returns alternative color standard palette index
* @return alternative index to the standard palette, if -1 this index is not defined
*/
public short getIndex2() {
return (short)index2;
}
/**
* returns RGB triplet (0, 0, 0)
* @return triplet representation like that in Excel
*/
public short [] getTriplet() {
return new short[] { (short)color.getRed(), (short)color.getGreen(), (short)color.getBlue() };
}
/**
* returns colon-delimited hex string "0:0:0"
* @return a hex string exactly like a gnumeric triplet
*/
public String getHexString() {
return (Integer.toHexString(color.getRed()*0x101) + ":" +
Integer.toHexString(color.getGreen()*0x101) + ":" +
Integer.toHexString(color.getBlue()*0x101)).toUpperCase(Locale.ROOT);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
HSSFColor hssfColor = (HSSFColor) o;
if (index != hssfColor.index) return false;
if (index2 != hssfColor.index2) return false;
return color != null ? color.equals(hssfColor.color) : hssfColor.color == null;
}
@Override
public int hashCode() {
return Objects.hash(color,index,index2);
}
/**
* Checked type cast color to an HSSFColor.
*
* @param color the color to type cast
* @return the type casted color
* @throws IllegalArgumentException if color is null or is not an instance of HSSFColor
*/
public static HSSFColor toHSSFColor(Color color) {
// FIXME: this method would be more useful if it could convert any Color to an HSSFColor
// Currently the only benefit of this method is to throw an IllegalArgumentException
// instead of a ClassCastException.
if (color != null && !(color instanceof HSSFColor)) {
throw new IllegalArgumentException("Only HSSFColor objects are supported, but had " + color.getClass());
}
return (HSSFColor)color;
}
}