593 lines
18 KiB
Java
593 lines
18 KiB
Java
/* ====================================================================
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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==================================================================== */
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package org.apache.poi.hssf.record;
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import org.apache.poi.util.LittleEndian;
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import org.apache.poi.util.StringUtil;
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import org.apache.poi.util.BitField;
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import org.apache.poi.util.BitFieldFactory;
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/**
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* Title: Font Record - descrbes a font in the workbook (index = 0-3,5-infinity - skip 4)<P>
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* Description: An element in the Font Table<P>
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* REFERENCE: PG 315 Microsoft Excel 97 Developer's Kit (ISBN: 1-57231-498-2)<P>
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* @author Andrew C. Oliver (acoliver at apache dot org)
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*/
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public final class FontRecord extends Record {
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public final static short sid = 0x0031; // docs are wrong (0x231 Microsoft Support site article Q184647)
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public final static short SS_NONE = 0;
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public final static short SS_SUPER = 1;
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public final static short SS_SUB = 2;
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public final static byte U_NONE = 0;
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public final static byte U_SINGLE = 1;
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public final static byte U_DOUBLE = 2;
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public final static byte U_SINGLE_ACCOUNTING = 0x21;
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public final static byte U_DOUBLE_ACCOUNTING = 0x22;
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private short field_1_font_height; // in units of .05 of a point
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private short field_2_attributes;
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// 0 0x01 - Reserved bit must be 0
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static final private BitField italic =
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BitFieldFactory.getInstance(0x02); // is this font in italics
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// 2 0x04 - reserved bit must be 0
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static final private BitField strikeout =
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BitFieldFactory.getInstance(0x08); // is this font has a line through the center
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static final private BitField macoutline = BitFieldFactory.getInstance(
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0x10); // some weird macintosh thing....but who understands those mac people anyhow
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static final private BitField macshadow = BitFieldFactory.getInstance(
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0x20); // some weird macintosh thing....but who understands those mac people anyhow
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// 7-6 - reserved bits must be 0
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// the rest is unused
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private short field_3_color_palette_index;
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private short field_4_bold_weight;
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private short field_5_super_sub_script; // 00none/01super/02sub
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private byte field_6_underline; // 00none/01single/02double/21singleaccounting/22doubleaccounting
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private byte field_7_family; // ?? defined by windows api logfont structure?
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private byte field_8_charset; // ?? defined by windows api logfont structure?
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private byte field_9_zero = 0; // must be 0
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private byte field_10_font_name_len; // length of the font name
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private String field_11_font_name; // whoa...the font name
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public FontRecord()
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{
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}
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public FontRecord(RecordInputStream in)
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{
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field_1_font_height = in.readShort();
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field_2_attributes = in.readShort();
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field_3_color_palette_index = in.readShort();
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field_4_bold_weight = in.readShort();
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field_5_super_sub_script = in.readShort();
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field_6_underline = in.readByte();
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field_7_family = in.readByte();
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field_8_charset = in.readByte();
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field_9_zero = in.readByte();
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field_10_font_name_len = in.readByte();
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if (field_10_font_name_len > 0)
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{
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if (in.readByte() == 0)
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{ // is compressed unicode
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field_11_font_name = in.readCompressedUnicode(LittleEndian.ubyteToInt(field_10_font_name_len));
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}
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else
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{ // is not compressed unicode
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field_11_font_name = in.readUnicodeLEString(field_10_font_name_len);
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}
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}
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}
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/**
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* sets the height of the font in 1/20th point units
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*
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* @param height fontheight (in points/20)
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*/
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public void setFontHeight(short height)
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{
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field_1_font_height = height;
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}
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/**
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* set the font attributes (see individual bit setters that reference this method)
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*
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* @param attributes the bitmask to set
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*/
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public void setAttributes(short attributes)
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{
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field_2_attributes = attributes;
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}
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// attributes bitfields
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/**
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* set the font to be italics or not
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*
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* @param italics - whether the font is italics or not
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* @see #setAttributes(short)
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*/
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public void setItalic(boolean italics)
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{
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field_2_attributes = italic.setShortBoolean(field_2_attributes, italics);
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}
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/**
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* set the font to be stricken out or not
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*
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* @param strike - whether the font is stricken out or not
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* @see #setAttributes(short)
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*/
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public void setStrikeout(boolean strike)
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{
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field_2_attributes = strikeout.setShortBoolean(field_2_attributes, strike);
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}
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/**
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* whether to use the mac outline font style thing (mac only) - Some mac person
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* should comment this instead of me doing it (since I have no idea)
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*
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* @param mac - whether to do that mac font outline thing or not
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* @see #setAttributes(short)
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*/
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public void setMacoutline(boolean mac)
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{
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field_2_attributes = macoutline.setShortBoolean(field_2_attributes, mac);
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}
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/**
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* whether to use the mac shado font style thing (mac only) - Some mac person
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* should comment this instead of me doing it (since I have no idea)
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*
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* @param mac - whether to do that mac font shadow thing or not
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* @see #setAttributes(short)
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*/
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public void setMacshadow(boolean mac)
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{
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field_2_attributes = macshadow.setShortBoolean(field_2_attributes, mac);
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}
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/**
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* set the font's color palette index
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*
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* @param cpi - font color index
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*/
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public void setColorPaletteIndex(short cpi)
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{
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field_3_color_palette_index = cpi;
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}
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/**
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* set the bold weight for this font (100-1000dec or 0x64-0x3e8). Default is
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* 0x190 for normal and 0x2bc for bold
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*
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* @param bw - a number between 100-1000 for the fonts "boldness"
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*/
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public void setBoldWeight(short bw)
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{
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field_4_bold_weight = bw;
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}
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/**
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* set the type of super or subscript for the font
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*
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* @param sss super or subscript option
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* @see #SS_NONE
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* @see #SS_SUPER
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* @see #SS_SUB
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*/
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public void setSuperSubScript(short sss)
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{
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field_5_super_sub_script = sss;
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}
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/**
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* set the type of underlining for the font
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*
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* @param u super or subscript option
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*
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* @see #U_NONE
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* @see #U_SINGLE
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* @see #U_DOUBLE
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* @see #U_SINGLE_ACCOUNTING
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* @see #U_DOUBLE_ACCOUNTING
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*/
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public void setUnderline(byte u)
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{
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field_6_underline = u;
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}
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/**
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* set the font family (TODO)
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*
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* @param f family
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*/
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public void setFamily(byte f)
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{
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field_7_family = f;
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}
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/**
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* set the character set
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*
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* @param charset - characterset
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*/
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public void setCharset(byte charset)
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{
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field_8_charset = charset;
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}
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/**
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* set the length of the fontname string
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*
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* @param len length of the font name
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* @see #setFontName(String)
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*/
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public void setFontNameLength(byte len)
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{
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field_10_font_name_len = len;
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}
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/**
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* set the name of the font
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*
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* @param fn - name of the font (i.e. "Arial")
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*/
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public void setFontName(String fn)
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{
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field_11_font_name = fn;
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}
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/**
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* gets the height of the font in 1/20th point units
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*
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* @return fontheight (in points/20)
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*/
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public short getFontHeight()
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{
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return field_1_font_height;
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}
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/**
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* get the font attributes (see individual bit getters that reference this method)
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*
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* @return attribute - the bitmask
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*/
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public short getAttributes()
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{
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return field_2_attributes;
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}
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/**
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* get whether the font is to be italics or not
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*
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* @return italics - whether the font is italics or not
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* @see #getAttributes()
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*/
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public boolean isItalic()
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{
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return italic.isSet(field_2_attributes);
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}
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/**
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* get whether the font is to be stricken out or not
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*
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* @return strike - whether the font is stricken out or not
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* @see #getAttributes()
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*/
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public boolean isStruckout()
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{
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return strikeout.isSet(field_2_attributes);
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}
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/**
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* whether to use the mac outline font style thing (mac only) - Some mac person
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* should comment this instead of me doing it (since I have no idea)
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*
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* @return mac - whether to do that mac font outline thing or not
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* @see #getAttributes()
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*/
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public boolean isMacoutlined()
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{
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return macoutline.isSet(field_2_attributes);
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}
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/**
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* whether to use the mac shado font style thing (mac only) - Some mac person
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* should comment this instead of me doing it (since I have no idea)
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*
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* @return mac - whether to do that mac font shadow thing or not
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* @see #getAttributes()
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*/
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public boolean isMacshadowed()
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{
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return macshadow.isSet(field_2_attributes);
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}
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/**
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* get the font's color palette index
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*
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* @return cpi - font color index
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*/
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public short getColorPaletteIndex()
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{
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return field_3_color_palette_index;
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}
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/**
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* get the bold weight for this font (100-1000dec or 0x64-0x3e8). Default is
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* 0x190 for normal and 0x2bc for bold
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*
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* @return bw - a number between 100-1000 for the fonts "boldness"
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*/
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public short getBoldWeight()
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{
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return field_4_bold_weight;
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}
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/**
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* get the type of super or subscript for the font
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*
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* @return super or subscript option
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* @see #SS_NONE
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* @see #SS_SUPER
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* @see #SS_SUB
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*/
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public short getSuperSubScript()
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{
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return field_5_super_sub_script;
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}
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/**
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* get the type of underlining for the font
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*
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* @return super or subscript option
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*
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* @see #U_NONE
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* @see #U_SINGLE
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* @see #U_DOUBLE
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* @see #U_SINGLE_ACCOUNTING
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* @see #U_DOUBLE_ACCOUNTING
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*/
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public byte getUnderline()
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{
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return field_6_underline;
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}
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/**
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* get the font family (TODO)
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*
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* @return family
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*/
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public byte getFamily()
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{
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return field_7_family;
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}
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/**
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* get the character set
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*
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* @return charset - characterset
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*/
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public byte getCharset()
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{
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return field_8_charset;
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}
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/**
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* get the length of the fontname string
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*
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* @return length of the font name
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* @see #getFontName()
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*/
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public byte getFontNameLength()
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{
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return field_10_font_name_len;
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}
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/**
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* get the name of the font
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*
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* @return fn - name of the font (i.e. "Arial")
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*/
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public String getFontName()
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{
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return field_11_font_name;
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}
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public String toString()
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{
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StringBuffer buffer = new StringBuffer();
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buffer.append("[FONT]\n");
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buffer.append(" .fontheight = ")
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.append(Integer.toHexString(getFontHeight())).append("\n");
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buffer.append(" .attributes = ")
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.append(Integer.toHexString(getAttributes())).append("\n");
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buffer.append(" .italic = ").append(isItalic())
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.append("\n");
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buffer.append(" .strikout = ").append(isStruckout())
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.append("\n");
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buffer.append(" .macoutlined= ").append(isMacoutlined())
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.append("\n");
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buffer.append(" .macshadowed= ").append(isMacshadowed())
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.append("\n");
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buffer.append(" .colorpalette = ")
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.append(Integer.toHexString(getColorPaletteIndex())).append("\n");
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buffer.append(" .boldweight = ")
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.append(Integer.toHexString(getBoldWeight())).append("\n");
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buffer.append(" .supersubscript = ")
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.append(Integer.toHexString(getSuperSubScript())).append("\n");
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buffer.append(" .underline = ")
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.append(Integer.toHexString(getUnderline())).append("\n");
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buffer.append(" .family = ")
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.append(Integer.toHexString(getFamily())).append("\n");
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buffer.append(" .charset = ")
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.append(Integer.toHexString(getCharset())).append("\n");
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buffer.append(" .namelength = ")
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.append(Integer.toHexString(getFontNameLength())).append("\n");
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buffer.append(" .fontname = ").append(getFontName())
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.append("\n");
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buffer.append("[/FONT]\n");
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return buffer.toString();
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}
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public int serialize(int offset, byte [] data)
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{
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int realflen = getFontNameLength() * 2;
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LittleEndian.putShort(data, 0 + offset, sid);
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LittleEndian.putShort(
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data, 2 + offset,
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( short ) (15 + realflen
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+ 1)); // 19 - 4 (sid/len) + font name length = datasize
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// undocumented single byte (1)
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LittleEndian.putShort(data, 4 + offset, getFontHeight());
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LittleEndian.putShort(data, 6 + offset, getAttributes());
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LittleEndian.putShort(data, 8 + offset, getColorPaletteIndex());
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LittleEndian.putShort(data, 10 + offset, getBoldWeight());
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LittleEndian.putShort(data, 12 + offset, getSuperSubScript());
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data[ 14 + offset ] = getUnderline();
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data[ 15 + offset ] = getFamily();
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data[ 16 + offset ] = getCharset();
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data[ 17 + offset ] = field_9_zero;
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data[ 18 + offset ] = getFontNameLength();
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data[ 19 + offset ] = ( byte ) 1;
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if (getFontName() != null) {
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StringUtil.putUnicodeLE(getFontName(), data, 20 + offset);
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}
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return getRecordSize();
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}
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protected int getDataSize() {
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// Note - no matter the original, we always
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// re-serialise the font name as unicode
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return 16 + getFontNameLength() * 2;
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}
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public short getSid()
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{
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return sid;
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}
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/**
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* Clones all the font style information from another
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* FontRecord, onto this one. This
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* will then hold all the same font style options.
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*/
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public void cloneStyleFrom(FontRecord source) {
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field_1_font_height = source.field_1_font_height;
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field_2_attributes = source.field_2_attributes;
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field_3_color_palette_index = source.field_3_color_palette_index;
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field_4_bold_weight = source.field_4_bold_weight;
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field_5_super_sub_script = source.field_5_super_sub_script;
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field_6_underline = source.field_6_underline;
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field_7_family = source.field_7_family;
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field_8_charset = source.field_8_charset;
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field_9_zero = source.field_9_zero;
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field_10_font_name_len = source.field_10_font_name_len;
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field_11_font_name = source.field_11_font_name;
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}
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public int hashCode() {
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final int prime = 31;
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int result = 1;
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result = prime
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* result
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+ ((field_11_font_name == null) ? 0 : field_11_font_name
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.hashCode());
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result = prime * result + field_1_font_height;
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result = prime * result + field_2_attributes;
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result = prime * result + field_3_color_palette_index;
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result = prime * result + field_4_bold_weight;
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result = prime * result + field_5_super_sub_script;
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result = prime * result + field_6_underline;
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result = prime * result + field_7_family;
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result = prime * result + field_8_charset;
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result = prime * result + field_9_zero;
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result = prime * result + field_10_font_name_len;
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return result;
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}
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/**
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* Does this FontRecord have all the same font
|
|
* properties as the supplied FontRecord?
|
|
* Note that {@link #equals(Object)} will check
|
|
* for exact objects, while this will check
|
|
* for exact contents, because normally the
|
|
* font record's position makes a big
|
|
* difference too.
|
|
*/
|
|
public boolean sameProperties(FontRecord other) {
|
|
return
|
|
field_1_font_height == other.field_1_font_height &&
|
|
field_2_attributes == other.field_2_attributes &&
|
|
field_3_color_palette_index == other.field_3_color_palette_index &&
|
|
field_4_bold_weight == other.field_4_bold_weight &&
|
|
field_5_super_sub_script == other.field_5_super_sub_script &&
|
|
field_6_underline == other.field_6_underline &&
|
|
field_7_family == other.field_7_family &&
|
|
field_8_charset == other.field_8_charset &&
|
|
field_9_zero == other.field_9_zero &&
|
|
field_10_font_name_len == other.field_10_font_name_len &&
|
|
field_11_font_name.equals(other.field_11_font_name)
|
|
;
|
|
}
|
|
|
|
/**
|
|
* Only returns two for the same exact object -
|
|
* creating a second FontRecord with the same
|
|
* properties won't be considered equal, as
|
|
* the record's position in the record stream
|
|
* matters.
|
|
*/
|
|
public boolean equals(Object obj) {
|
|
if (this == obj)
|
|
return true;
|
|
return false;
|
|
}
|
|
}
|