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Add support for setting some of the style properties

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git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353757 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Nick Burch 2005-08-01 17:36:52 +00:00
parent cba94f3955
commit 7d4ea7f10e
1 changed files with 89 additions and 10 deletions
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99
src/scratchpad/src/org/apache/poi/hslf/record/StyleTextPropAtom.java
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@ -25,9 +25,10 @@ import java.io.ByteArrayOutputStream;
import java.util.Vector;
/**
* A StyleTextPropAtom (type 4001). Holds character properties (font type,
* font size, colour, bold, italic etc) and paragraph properties
* (alignment, line spacing etc) for a block of text
* A StyleTextPropAtom (type 4001). Holds basic character properties
* (bold, italic, underline, possibly more?) and paragraph properties
* (alignment, line spacing etc) for the block of text (TextBytesAtom
* or TextCharsAtom) that this record follows
*
* @author Nick Burch
*/
@ -55,6 +56,15 @@ public class StyleTextPropAtom extends RecordAtom
return charStyles;
}
/**
* Set the number of characters covered by these text styles.
* This must equal the number of characters in the Text record
* that precedes this record, or things won't behave properly
*/
public void setParagraphStyleCharactersCoveredLength(int len) {
paraStyleLen = (short)len;
}
/* *************** record code follows ********************** */
@ -110,6 +120,25 @@ public class StyleTextPropAtom extends RecordAtom
System.arraycopy(source,start+8+10+cpos,reserved,0,reserved.length);
}
/**
* A new set of text style properties for some text without any
*/
public StyleTextPropAtom() {
_header = new byte[8];
reserved = new byte[0];
charStyles = new CharacterStyle[0];
// Set our type
LittleEndian.putInt(_header,2,(short)_type);
// Our initial size is 10
LittleEndian.putInt(_header,4,10);
// Blank paragraph style
paraStyleLen = 0;
paraStyle1 = 0;
paraStyle2 = 0;
}
/**
* We are of type 4001
*/
@ -159,6 +188,13 @@ public class StyleTextPropAtom extends RecordAtom
private int style2;
private short style3;
// style1 0x00010000
private static final int BOLD_STYLE = 65536;
// style1 0x00020000
private static final int ITALIC_STYLE = 131072;
// style1 0x00040000
private static final int UNDERLINED_STYLE = 262144;
/** Create a new Character Style from on-disk data */
protected CharacterStyle(short len, int s1, int s2, short s3) {
styleLen = len;
@ -183,30 +219,73 @@ public class StyleTextPropAtom extends RecordAtom
}
}
/** Return the number of characters covered by these properties */
/**
* Return the number of characters covered by these properties.
* If it's the last CharacterStyle of a StyleTextPropAtom, it
* will normally be 0, indicating it applies to all the remaining
* text.
*/
public int getCharactersCoveredLength() {
return styleLen;
}
/**
* Set the number of characters covered by these properties.
* If this is the last CharacterStyle of a StyleTextPropAtom, then
* a value of 0 should be used
*/
public void setCharactersCoveredLength(int len) {
styleLen = (short)len;
}
/** Checks to see if the text is bold */
public boolean isBold() {
// style1 0x00010000
if ((style1 & 65536) == 65536) { return true; }
if ((style1 & BOLD_STYLE) == BOLD_STYLE) { return true; }
return false;
}
/** Checks to see if the text is italic */
public boolean isItalic() {
// style1 0x00020000
if ((style1 & 131072) == 131072) { return true; }
if ((style1 & ITALIC_STYLE) == ITALIC_STYLE) { return true; }
return false;
}
/** Checks to see if the text is underlined */
public boolean isUnderlined() {
// style1 0x00040000
if ((style1 & 262144) == 262144) { return true; }
if ((style1 & UNDERLINED_STYLE) == UNDERLINED_STYLE) { return true; }
return false;
}
/** Sets the text to be bold/not bold */
public void setBold(boolean bold) {
if(bold == isBold()) { return; }
if(bold) {
style1 += BOLD_STYLE;
} else {
style1 -= BOLD_STYLE;
}
}
/** Sets the text to be italic/not italic */
public void setItalic(boolean italic) {
if(italic == isItalic()) { return; }
if(italic) {
style1 += ITALIC_STYLE;
} else {
style1 -= ITALIC_STYLE;
}
}
/** Sets the text to be underlined/not underlined */
public void setUnderlined(boolean underlined) {
if(underlined == isUnderlined()) { return; }
if(underlined) {
style1 += UNDERLINED_STYLE;
} else {
style1 -= UNDERLINED_STYLE;
}
}
}
}