TextScanner (kfc 1.2.0 API)

java.lang.Object
- jp.kyasu.graphics.TextScanner

直系の既知のサブクラス:

EchoTextScanner, TextListScanner
```
public class TextScanner
extends java.lang.Object
```
The TextScanner class scans text to lay out text, to draw text, and to compute the position of text.

フィールドのサマリー

フィールド
修飾子とタイプ	フィールドと説明
`static int`	`ATTACHMENT` The stop condition constant that shows the character encountered is an attachment mark.
`protected VArray`	`attachments` The scanned text attachents.
`int`	`baseline` The baseline of a line.
`static int`	`CHAR_NOT_IN_FONT` The stop condition constant that shows the character encountered is not defined in the current font.
`static int`	`CROSSED_X` The stop condition constant that shows the scanning runs across the the right edge.
`int`	`destX` The current x position.
`static int`	`END_OF_RUN` The stop condition constant that shows the scanning runs to the end.
`protected static int`	`IGNORE` The stop condition that shows the character encountered must be ignored.
`static int[]`	`JAVA_BREAK_STOPS` The stop conditions for the first 256 characters.
`static int[]`	`JAVA_STOPS` The stop conditions for the first 256 characters.
`int`	`lastCondition` The last stop condition scanned.
`int`	`lastIndex` The last index scanned.
`int`	`leftMargin` The left margin for scanning.
`static int`	`LINE_BREAK` The stop condition constant that shows the character encountered is a line break.
`static int`	`LINE_SEPARATOR` The stop condition constant that shows the character encountered is a line separator.
`int`	`lineBegin` The beginning index of a line (inclusive).
`int`	`lineEnd` The ending index of a line (exclusive).
`int`	`lineHeight` The height of a line.
`protected int`	`lineWrap` The line wrapping style.
`static int[]`	`LIST_STOPS` The stop conditions for the first 256 characters.
`protected java.util.Locale`	`locale` The locale of the text that is used for word breaking.
`protected java.awt.FontMetrics`	`metrics` The current font metrics.
`static int[]`	`NO_STOPS` The stop conditions for the first 256 characters.
`protected char`	`notInFontChar` The character displayed instead of a character that is not defined in the current font.
`protected java.lang.String`	`notInFontCharString` The string representation of the `notInFontChar`.
`protected int`	`notInFontCharWidth` The current width of `notInFontChar`.
`protected RichTextStyle`	`richTextStyle` The rich text style that knows a text wrapping mode.
`int`	`rightMargin` The right margin (edge) for scanning.
`int`	`runEnd` The ending index in the text for scanning (exclusive).
`static int[]`	`SIMPLE_STOPS` The stop conditions for the first 256 characters.
`static int`	`TAB` The stop condition constant that shows the character encountered is a tab character.
`protected int`	`tabWidth` The current width of a tab.
`protected Text`	`text` The text to be scanned.
`protected int[]`	`widths` The widths of the first 256 characters from the current font metrics.

コンストラクタのサマリー

コンストラクタ
コンストラクタと説明
`TextScanner(RichText richText, int lineWrap, java.util.Locale locale)` Constructs a text scanner with the rich text to be scanned, the line wrapping style, and the locale of the text.
`TextScanner(Text text, RichTextStyle richTextStyle, int lineWrap, java.util.Locale locale)` Constructs a text scanner with the text to be scanned, the rich text style, the line wrapping style, and the locale of the text.

メソッドのサマリー

すべてのメソッドインスタンス・メソッド concreteメソッド
修飾子とタイプ	メソッドと説明
`int`	`charWidth(char ch)` Returns the advance width of the specified character in the text.
`int`	`charWidth(int ch)` Returns the advance width of the specified character in the text.
`int`	`charWidthAt(int textIndex, int startX, int layoutWidth, TextLineInfo lineInfo, ParagraphStyle pStyle)` Returns the advance width of a character in the specified index of the text with the specified scanning context.
`protected int`	`doDrawLineStop(int stop, java.awt.Graphics g, java.awt.Point offset, int drawY, int rStart, int rEnd, TextStyle tStyle)` Handles the stop condition for drawing a line.
`int`	`doLayoutLine(int beginIndex, int startX, int leftMgn, int rightMgn, int tabW, int lineTop, ParagraphStyle pStyle, int[] stops, TextLineInfo lineInfo)` Breaks text into a line.
`int`	`doLayoutLine(int beginIndex, int startX, int leftMgn, int rightMgn, int tabW, int lineTop, ParagraphStyle pStyle, TextLineInfo lineInfo)` Breaks text into a line.
`int`	`doLayoutLine(int beginIndex, int startX, int compositionWidth, int lineTop, ParagraphStyle pStyle, TextLineInfo lineInfo)` Breaks text into a line.
`int`	`doLayoutLine(int beginIndex, int compositionWidth, int lineTop, ParagraphStyle pStyle, TextLineInfo lineInfo)` Breaks text into a line.
`protected int`	`doLayoutLineStop(int stop)` Handles the stop condition for breaking text into a line.
`protected int`	`doTextPositionStop(int stop)` Handles the stop condition for computing a position of character.
`void`	`drawLine(java.awt.Graphics g, java.awt.Point offset, TextLineInfo lineInfo, ParagraphStyle pStyle)` Draws a line.
`void`	`drawLineFromTo(java.awt.Graphics g, java.awt.Point offset, int startX, int beginIndex, int endIndex, int lineHeight, int baseline, int leftMgn, int tabW)` Draws a line from the beginning index to the ending index of text.
`void`	`drawLineFromTo(java.awt.Graphics g, java.awt.Point offset, int startX, int beginIndex, int endIndex, int lineHeight, int baseline, int leftMgn, int tabW, int[] stops)` Draws a line from the beginning index to the ending index of text.
`void`	`drawLineFromTo(java.awt.Graphics g, java.awt.Point offset, int startX, int beginIndex, int endIndex, int remainWidth, int lineHeight, int baseline, ParagraphStyle pStyle)` Draws a line from the beginning index to the ending index of text.
`void`	`drawLineFromTo(java.awt.Graphics g, java.awt.Point offset, int startX, int beginIndex, int endIndex, TextLineInfo lineInfo, ParagraphStyle pStyle)` Draws a line from the beginning index to the ending index of text.
`void`	`drawLineTo(java.awt.Graphics g, java.awt.Point offset, int lineBegin, int endIndex, int remainWidth, int lineHeight, int baseline, ParagraphStyle pStyle)` Draws a line to the specified ending index of text.
`void`	`drawLineTo(java.awt.Graphics g, java.awt.Point offset, int endIndex, TextLineInfo lineInfo, ParagraphStyle pStyle)` Draws a line to the specified ending index of text.
`protected int`	`fastScanChars(int begin, int end, char[] chars, int rightX, int[] stops, int bufferSize)` Scans the array of characters and returns the stop condition if the scanning runs to the `end`, the scanning runs across the `rightX`, or the scanning encounters the stop condition defined in the `stops`.
`protected void`	`fastScanCharsForMultiBytes(int begin, int end, char[] chars, int rightX)` Scans the array of characters that are larger than 256 until the scanning runs across the `rightX`.
`protected int[]`	`getStops()` Returns the stop conditions.
`int[]`	`linePositionAt(int textIndex, TextLineInfo lineInfo, ParagraphStyle pStyle)` Computes the positin of the character in the text.
`int[]`	`linePositionAt(java.awt.Point point, int startX, int beginIndex, int endIndex, int leftMgn, int tabW)` Computes the positin of the character in the text.
`int[]`	`linePositionAt(java.awt.Point point, int startX, int beginIndex, int endIndex, int leftMgn, int tabW, int[] stops)` Computes the positin of the character in the text.
`int[]`	`linePositionAt(java.awt.Point point, TextLineInfo lineInfo, ParagraphStyle pStyle)` Computes the positin of the character in the text.
`protected int`	`nextTab(int x)` Returns a next tab position form the specified x position.
`protected int`	`prevTab(int x)` Returns a previous tab position form the specified x position.
`protected int`	`scanChars(int begin, int end, char[] chars, int rightX, int[] stops)` Scans the array of characters and returns the stop condition if the scanning runs to the `end`, the scanning runs across the `rightX`, or the scanning encounters the stop condition defined in the `stops`.
`protected void`	`setFontMetrics(java.awt.FontMetrics metrics)` Sets the font metrics.
`protected void`	`setLineWrap(int lineWrap)` Sets the line wrapping style.
`void`	`setNotInFontChar(char ch)` Sets the character displayed instead of a character that is not defined in the current font.
`protected int`	`slowScanChars(int begin, int end, char[] chars, int rightX, int[] stops)` Scans the array of characters and returns the stop condition if the scanning runs to the `end`, the scanning runs across the `rightX`, or the scanning encounters the stop condition defined in the `stops`.

クラスから継承されたメソッド java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- フィールドの詳細
  - text
```
protected Text text
```
    The text to be scanned.
  - richTextStyle
```
protected RichTextStyle richTextStyle
```
    The rich text style that knows a text wrapping mode.
  - lineWrap
```
protected int lineWrap
```
    The line wrapping style.
  - locale
```
protected java.util.Locale locale
```
    The locale of the text that is used for word breaking.
  - destX
```
public int destX
```
    The current x position.
  - lastIndex
```
public int lastIndex
```
    The last index scanned.
  - leftMargin
```
public int leftMargin
```
    The left margin for scanning.
  - rightMargin
```
public int rightMargin
```
    The right margin (edge) for scanning.
  - runEnd
```
public int runEnd
```
    The ending index in the text for scanning (exclusive).
  - lineBegin
```
public int lineBegin
```
    The beginning index of a line (inclusive).
  - lineEnd
```
public int lineEnd
```
    The ending index of a line (exclusive).
  - lineHeight
```
public int lineHeight
```
    The height of a line.
  - baseline
```
public int baseline
```
    The baseline of a line.
  - lastCondition
```
public int lastCondition
```
    The last stop condition scanned.
  - attachments
```
protected VArray attachments
```
    The scanned text attachents.
  - metrics
```
protected java.awt.FontMetrics metrics
```
    The current font metrics.
  - widths
```
protected int[] widths
```
    The widths of the first 256 characters from the current font metrics.
  - tabWidth
```
protected int tabWidth
```
    The current width of a tab.
  - notInFontChar
```
protected char notInFontChar
```
    The character displayed instead of a character that is not defined in the current font.
  - notInFontCharString
```
protected java.lang.String notInFontCharString
```
    The string representation of the notInFontChar.
  - notInFontCharWidth
```
protected int notInFontCharWidth
```
    The current width of notInFontChar.
  - END_OF_RUN
```
public static final int END_OF_RUN
```
    The stop condition constant that shows the scanning runs to the end.
    
    関連項目:
    
    定数フィールド値
  - CROSSED_X
```
public static final int CROSSED_X
```
    The stop condition constant that shows the scanning runs across the the right edge.
    
    関連項目:
    
    定数フィールド値
  - TAB
```
public static final int TAB
```
    The stop condition constant that shows the character encountered is a tab character.
    
    関連項目:
    
    定数フィールド値
  - LINE_SEPARATOR
```
public static final int LINE_SEPARATOR
```
    The stop condition constant that shows the character encountered is a line separator.
    
    関連項目:
    
    Text.LINE_SEPARATOR_CHAR, 定数フィールド値
  - LINE_BREAK
```
public static final int LINE_BREAK
```
    The stop condition constant that shows the character encountered is a line break.
    
    関連項目:
    
    Text.LINE_BREAK_CHAR, 定数フィールド値
  - CHAR_NOT_IN_FONT
```
public static final int CHAR_NOT_IN_FONT
```
    The stop condition constant that shows the character encountered is not defined in the current font.
    
    関連項目:
    
    定数フィールド値
  - ATTACHMENT
```
public static final int ATTACHMENT
```
    The stop condition constant that shows the character encountered is an attachment mark.
    
    関連項目:
    
    Text.ATTACHMENT_CHAR, 定数フィールド値
  - IGNORE
```
protected static final int IGNORE
```
    The stop condition that shows the character encountered must be ignored. This constant is not currently used.
    
    関連項目:
    
    定数フィールド値
  - NO_STOPS
```
public static final int[] NO_STOPS
```
    The stop conditions for the first 256 characters. This constant is used for scanning as is.
  - SIMPLE_STOPS
```
public static final int[] SIMPLE_STOPS
```
    The stop conditions for the first 256 characters. This constant is used for ignoring the ANSI control characters.
  - JAVA_STOPS
```
public static final int[] JAVA_STOPS
```
    The stop conditions for the first 256 characters. This constant is used for scanning the text without line break, i.e., scanning '\f', '\n' (Text.LINE_SEPARATOR_CHAR) as LINE_SEPARATOR.
    
    関連項目:
    
    Text.LINE_SEPARATOR_CHAR, RichTextStyle.isJavaLineSeparator()
  - JAVA_BREAK_STOPS
```
public static final int[] JAVA_BREAK_STOPS
```
    The stop conditions for the first 256 characters. This constant is used for scanning the text with line break, i.e., scanning '\f', '\n' (Text.LINE_SEPARATOR_CHAR) as LINE_SEPARATOR, and '\r' (Text.LINE_BREAK_CHAR) as LINE_BREAK.
    
    関連項目:
    
    Text.LINE_SEPARATOR_CHAR, Text.LINE_BREAK_CHAR, RichTextStyle.isJavaLineSeparatorWithBreak()
  - LIST_STOPS
```
public static final int[] LIST_STOPS
```
    The stop conditions for the first 256 characters. This constant is used for scanning list items.
    
    関連項目:
    
    Text.LIST_SEPARATOR_CHAR, RichTextStyle.isListSeparator()
- コンストラクタの詳細
  - TextScanner
```
public TextScanner(RichText richText,
                   int lineWrap,
                   java.util.Locale locale)
```
    Constructs a text scanner with the rich text to be scanned, the line wrapping style, and the locale of the text.
    
    パラメータ:
    
    richText - the rich text style.
    
    lineWrap - the line wrapping style.
    
    locale - the locale of the text.
  - TextScanner
```
public TextScanner(Text text,
                   RichTextStyle richTextStyle,
                   int lineWrap,
                   java.util.Locale locale)
```
    Constructs a text scanner with the text to be scanned, the rich text style, the line wrapping style, and the locale of the text.
    
    パラメータ:
    
    text - the text to be scanned.
    
    richTextStyle - the rich text style.
    
    lineWrap - the line wrapping style.
    
    locale - the locale of the text.
- メソッドの詳細
  - doLayoutLine
```
public int doLayoutLine(int beginIndex,
                        int compositionWidth,
                        int lineTop,
                        ParagraphStyle pStyle,
                        TextLineInfo lineInfo)
```
    Breaks text into a line.
    
    パラメータ:
    
    beginIndex - the beginning index of text to scan.
    
    compositionWidth - the composition width of a line.
    
    lineTop - the top position of a line.
    
    pStyle - the paragraph style of a line.
    
    lineInfo - the line information into which the scanning results are stored.
    
    戻り値:
    
    the next line top position, or -1 if no more layout needed.
  - doLayoutLine
```
public int doLayoutLine(int beginIndex,
                        int startX,
                        int compositionWidth,
                        int lineTop,
                        ParagraphStyle pStyle,
                        TextLineInfo lineInfo)
```
    Breaks text into a line.
    
    パラメータ:
    
    beginIndex - the beginning index of text to scan.
    
    startX - the starting x position to scan.
    
    compositionWidth - the composition width of a line.
    
    lineTop - the top position of a line.
    
    pStyle - the paragraph style of a line.
    
    lineInfo - the line information into which the scanning results are stored.
    
    戻り値:
    
    the next line top position, or -1 if no more layout needed.
  - doLayoutLine
```
public int doLayoutLine(int beginIndex,
                        int startX,
                        int leftMgn,
                        int rightMgn,
                        int tabW,
                        int lineTop,
                        ParagraphStyle pStyle,
                        TextLineInfo lineInfo)
```
    Breaks text into a line.
    
    パラメータ:
    
    beginIndex - the beginning index of text to scan.
    
    startX - the starting x position to scan.
    
    leftMgn - the left margin of a line.
    
    rightMgn - the right margin (edge) of a line.
    
    tabW - the tab width used to scan.
    
    lineTop - the top position of a line.
    
    pStyle - the paragraph style of a line.
    
    lineInfo - the line information into which the scanning results are stored.
    
    戻り値:
    
    the next line top position, or -1 if no more layout needed.
  - doLayoutLine
```
public int doLayoutLine(int beginIndex,
                        int startX,
                        int leftMgn,
                        int rightMgn,
                        int tabW,
                        int lineTop,
                        ParagraphStyle pStyle,
                        int[] stops,
                        TextLineInfo lineInfo)
```
    Breaks text into a line.
    
    パラメータ:
    
    beginIndex - the beginning index of text to scan.
    
    startX - the starting x position to scan.
    
    leftMgn - the left margin of a line.
    
    rightMgn - the right margin (edge) of a line.
    
    tabW - the tab width used to scan.
    
    lineTop - the top position of a line.
    
    pStyle - the paragraph style of a line.
    
    stops - the stop conditions for scanning.
    
    lineInfo - the line information into which the scanning results are stored.
    
    戻り値:
    
    the next line top position, or -1 if no more layout needed.
  - drawLine
```
public void drawLine(java.awt.Graphics g,
                     java.awt.Point offset,
                     TextLineInfo lineInfo,
                     ParagraphStyle pStyle)
```
    Draws a line.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    lineInfo - the line information of a line to be drawn.
    
    pStyle - the paragraph style of a line.
  - drawLineTo
```
public void drawLineTo(java.awt.Graphics g,
                       java.awt.Point offset,
                       int endIndex,
                       TextLineInfo lineInfo,
                       ParagraphStyle pStyle)
```
    Draws a line to the specified ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    endIndex - the ending index of text to draw. (exclusive)
    
    lineInfo - the line information of a line to be drawn.
    
    pStyle - the paragraph style of a line.
  - drawLineTo
```
public void drawLineTo(java.awt.Graphics g,
                       java.awt.Point offset,
                       int lineBegin,
                       int endIndex,
                       int remainWidth,
                       int lineHeight,
                       int baseline,
                       ParagraphStyle pStyle)
```
    Draws a line to the specified ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    lineBegin - the beginning index of a line. (inclusive)
    
    endIndex - the ending index of text to draw. (exclusive)
    
    remainWidth - the remaining width (space) of a line.
    
    lineHeight - the height of a line.
    
    baseline - the baseline of a line.
    
    pStyle - the paragraph style of a line.
  - drawLineFromTo
```
public void drawLineFromTo(java.awt.Graphics g,
                           java.awt.Point offset,
                           int startX,
                           int beginIndex,
                           int endIndex,
                           TextLineInfo lineInfo,
                           ParagraphStyle pStyle)
```
    Draws a line from the beginning index to the ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    startX - the starting x position to draw.
    
    beginIndex - the beginning index of text to draw. (inclusive)
    
    endIndex - the ending index of text to draw. (exclusive)
    
    lineInfo - the line information of a line to be drawn.
    
    pStyle - the paragraph style of a line.
  - drawLineFromTo
```
public void drawLineFromTo(java.awt.Graphics g,
                           java.awt.Point offset,
                           int startX,
                           int beginIndex,
                           int endIndex,
                           int remainWidth,
                           int lineHeight,
                           int baseline,
                           ParagraphStyle pStyle)
```
    Draws a line from the beginning index to the ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    startX - the starting x position to draw.
    
    beginIndex - the beginning index of text to draw. (inclusive)
    
    endIndex - the ending index of text to draw. (exclusive)
    
    remainWidth - the remaining width (space) of a line.
    
    lineHeight - the height of a line.
    
    baseline - the baseline of a line.
    
    pStyle - the paragraph style of a line.
  - drawLineFromTo
```
public void drawLineFromTo(java.awt.Graphics g,
                           java.awt.Point offset,
                           int startX,
                           int beginIndex,
                           int endIndex,
                           int lineHeight,
                           int baseline,
                           int leftMgn,
                           int tabW)
```
    Draws a line from the beginning index to the ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    startX - the starting x position to draw.
    
    beginIndex - the beginning index of text to draw. (inclusive)
    
    endIndex - the ending index of text to draw. (exclusive)
    
    lineHeight - the height of a line.
    
    baseline - the baseline of a line.
    
    leftMgn - the left margin of a line.
    
    tabW - the tab width used to scan.
  - drawLineFromTo
```
public void drawLineFromTo(java.awt.Graphics g,
                           java.awt.Point offset,
                           int startX,
                           int beginIndex,
                           int endIndex,
                           int lineHeight,
                           int baseline,
                           int leftMgn,
                           int tabW,
                           int[] stops)
```
    Draws a line from the beginning index to the ending index of text.
    
    パラメータ:
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    startX - the starting x position to draw.
    
    beginIndex - the beginning index of text to draw. (inclusive)
    
    endIndex - the ending index of text to draw. (exclusive)
    
    lineHeight - the height of a line.
    
    baseline - the baseline of a line.
    
    leftMgn - the left margin of a line.
    
    tabW - the tab width used to scan.
    
    stops - the stop conditions for scanning.
  - linePositionAt
```
public int[] linePositionAt(int textIndex,
                            TextLineInfo lineInfo,
                            ParagraphStyle pStyle)
```
    Computes the positin of the character in the text.
    
    パラメータ:
    
    textIndex - thea
    
    lineInfo - the information of a line where the character is in.
    
    pStyle - the paragraph style of a line.
    
    戻り値:
    
    the computed index and x position of the character.
  - linePositionAt
```
public int[] linePositionAt(java.awt.Point point,
                            TextLineInfo lineInfo,
                            ParagraphStyle pStyle)
```
    Computes the positin of the character in the text.
    
    パラメータ:
    
    point - the character position in the text.
    
    lineInfo - the information of a line where the character is in.
    
    pStyle - the paragraph style of a line.
    
    戻り値:
    
    the computed index and x position of the character.
  - linePositionAt
```
public int[] linePositionAt(java.awt.Point point,
                            int startX,
                            int beginIndex,
                            int endIndex,
                            int leftMgn,
                            int tabW)
```
    Computes the positin of the character in the text.
    
    パラメータ:
    
    point - the character position in the text.
    
    startX - the starting x position to scan.
    
    beginIndex - the beginning index of a line where the character is in.
    
    endIndex - the ending index of a line where the character is in.
    
    leftMgn - the left margin of a line.
    
    tabW - the tab width used to scan.
    
    戻り値:
    
    the computed index and x position of the character.
  - linePositionAt
```
public int[] linePositionAt(java.awt.Point point,
                            int startX,
                            int beginIndex,
                            int endIndex,
                            int leftMgn,
                            int tabW,
                            int[] stops)
```
    Computes the positin of the character in the text.
    
    パラメータ:
    
    point - the character position in the text.
    
    startX - the starting x position to scan.
    
    beginIndex - the beginning index of a line where the character is in.
    
    endIndex - the ending index of a line where the character is in.
    
    leftMgn - the left margin of a line.
    
    tabW - the tab width used to scan.
    
    stops - the stop conditions for scanning.
    
    戻り値:
    
    the computed index and x position of the character.
  - setNotInFontChar
```
public void setNotInFontChar(char ch)
```
    Sets the character displayed instead of a character that is not defined in the current font.
  - charWidth
```
public int charWidth(int ch)
```
    Returns the advance width of the specified character in the text.
    
    パラメータ:
    
    ch - the character to be measured.
    
    戻り値:
    
    the advance width of the specified character.
  - charWidth
```
public int charWidth(char ch)
```
    Returns the advance width of the specified character in the text.
    
    パラメータ:
    
    ch - the character to be measured.
    
    戻り値:
    
    the advance width of the specified character.
  - charWidthAt
```
public int charWidthAt(int textIndex,
                       int startX,
                       int layoutWidth,
                       TextLineInfo lineInfo,
                       ParagraphStyle pStyle)
```
    Returns the advance width of a character in the specified index of the text with the specified scanning context.
    
    パラメータ:
    
    textIndex - the index of a character to be measured.
    
    startX - the starting x position to scan.
    
    layoutWidth - the composition width.
    
    lineInfo - the information of a line where a character is in.
    
    pStyle - the paragraph style of a line.
    
    戻り値:
    
    the advance width of the specified character.
  - doLayoutLineStop
```
protected int doLayoutLineStop(int stop)
```
    Handles the stop condition for breaking text into a line.
    
    パラメータ:
    
    stop - the stop condition.
    
    戻り値:
    
    -1 if the scanning runs to the end; 1 if the scanning runs across the right edge or the scanning encounters a line separator or a line break; 0 otherwise.
  - doDrawLineStop
```
protected int doDrawLineStop(int stop,
                             java.awt.Graphics g,
                             java.awt.Point offset,
                             int drawY,
                             int rStart,
                             int rEnd,
                             TextStyle tStyle)
```
    Handles the stop condition for drawing a line.
    
    パラメータ:
    
    stop - the stop condition.
    
    g - the graphics.
    
    offset - the offset position to draw.
    
    drawY - the current y position.
    
    rStart - the run start index.
    
    rEnd - the run end index.
    
    tStyle - the current text style.
    
    戻り値:
    
    -1 if the scanning runs to the end; 0 otherwise.
  - doTextPositionStop
```
protected int doTextPositionStop(int stop)
```
    Handles the stop condition for computing a position of character.
    
    パラメータ:
    
    stop - the stop condition.
    
    戻り値:
    
    -1 if the scanning runs to the end; 1 if the scanning runs across the right edge or the scanning encounters a line separator or a line break; 0 otherwise.
  - scanChars
```
protected int scanChars(int begin,
                        int end,
                        char[] chars,
                        int rightX,
                        int[] stops)
```
    Scans the array of characters and returns the stop condition if the scanning runs to the end, the scanning runs across the rightX, or the scanning encounters the stop condition defined in the stops.
    
    パラメータ:
    
    begin - the beginning index of scanning. (inclusive)
    
    end - the ending index of scanning. (exclusive)
    
    chars - the array of characters to be scanned.
    
    rightX - the right edge for scanning.
    
    stops - the stop conditions for scanning.
    
    戻り値:
    
    the stop condition.
  - fastScanChars
```
protected final int fastScanChars(int begin,
                                  int end,
                                  char[] chars,
                                  int rightX,
                                  int[] stops,
                                  int bufferSize)
```
    Scans the array of characters and returns the stop condition if the scanning runs to the end, the scanning runs across the rightX, or the scanning encounters the stop condition defined in the stops.
    This operation is efficient even if all characters in the array are larger than 256.
    
    パラメータ:
    
    begin - the beginning index of scanning. (inclusive)
    
    end - the ending index of scanning. (exclusive)
    
    chars - the array of characters to be scanned.
    
    rightX - the right edge for scanning.
    
    stops - the stop conditions for scanning.
    
    bufferSize - the buffer size for calling FontMetrics#charsWidth(char[], int, int)
    
    戻り値:
    
    the stop condition.
  - fastScanCharsForMultiBytes
```
protected final void fastScanCharsForMultiBytes(int begin,
                                                int end,
                                                char[] chars,
                                                int rightX)
```
    Scans the array of characters that are larger than 256 until the scanning runs across the rightX.
    
    パラメータ:
    
    begin - the beginning index of scanning. (inclusive)
    
    end - the ending index of scanning. (exclusive)
    
    chars - the array of characters to be scanned.
    
    rightX - the right edge for scanning.
  - slowScanChars
```
protected final int slowScanChars(int begin,
                                  int end,
                                  char[] chars,
                                  int rightX,
                                  int[] stops)
```
    Scans the array of characters and returns the stop condition if the scanning runs to the end, the scanning runs across the rightX, or the scanning encounters the stop condition defined in the stops.
    This operation is not efficient because it calls FontMetrics#charsWidth(char) at each character.
    
    パラメータ:
    
    begin - the beginning index of scanning. (inclusive)
    
    end - the ending index of scanning. (exclusive)
    
    chars - the array of characters to be scanned.
    
    rightX - the right edge for scanning.
    
    stops - the stop conditions for scanning.
    
    戻り値:
    
    the stop condition.
  - setLineWrap
```
protected void setLineWrap(int lineWrap)
```
    Sets the line wrapping style.
  - setFontMetrics
```
protected void setFontMetrics(java.awt.FontMetrics metrics)
```
    Sets the font metrics.
    
    パラメータ:
    
    metrics - the font metrics.
  - getStops
```
protected int[] getStops()
```
    Returns the stop conditions.
    
    戻り値:
    
    the stop conditions.
  - nextTab
```
protected int nextTab(int x)
```
    Returns a next tab position form the specified x position.
    
    パラメータ:
    
    x - the specified x position.
    
    戻り値:
    
    a next tab position.
  - prevTab
```
protected int prevTab(int x)
```
    Returns a previous tab position form the specified x position.
    
    パラメータ:
    
    x - the specified x position.
    
    戻り値:
    
    a previous tab position.

クラス TextScanner

フィールドのサマリー

コンストラクタのサマリー

メソッドのサマリー

クラスから継承されたメソッド java.lang.Object

フィールドの詳細

text

richTextStyle

lineWrap

locale

destX

lastIndex

leftMargin

rightMargin

runEnd

lineBegin

lineEnd

lineHeight

baseline

lastCondition

attachments

metrics

widths

tabWidth

notInFontChar

notInFontCharString

notInFontCharWidth

END_OF_RUN

CROSSED_X

TAB

LINE_SEPARATOR

LINE_BREAK

CHAR_NOT_IN_FONT

ATTACHMENT

IGNORE

NO_STOPS

SIMPLE_STOPS

JAVA_STOPS

JAVA_BREAK_STOPS

LIST_STOPS

コンストラクタの詳細

TextScanner

TextScanner

メソッドの詳細

doLayoutLine

doLayoutLine

doLayoutLine

doLayoutLine

drawLine

drawLineTo

drawLineTo

drawLineFromTo

drawLineFromTo

drawLineFromTo

drawLineFromTo

linePositionAt

linePositionAt

linePositionAt

linePositionAt

setNotInFontChar

charWidth

charWidth

charWidthAt

doLayoutLineStop

doDrawLineStop

doTextPositionStop

scanChars

fastScanChars

fastScanCharsForMultiBytes

slowScanChars

setLineWrap

setFontMetrics

getStops

nextTab

prevTab