適用於 Adobe® Flash® Platform 的 ActionScript® 3.0 參考
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flashx.textLayout.formats 

LeadingModel  - AS3

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語言元素

全域常數
全域函數
運算子
陳述式、關鍵字和指令
特殊類型

附錄

新增內容
編譯器錯誤
編譯器警告
執行階段錯誤
移轉至 ActionScript 3
支援的字元集
僅限 MXML 標籤
移動 XML 元素
Timed Text 標籤
不建議元素清單
AccessibilityImplementation 常數
如何使用 ActionScript 範例
法律聲明
套件flashx.textLayout.formats
類別public final class LeadingModel
繼承LeadingModel Inheritance Object

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

定義設定 TextLayoutFormat 類別之 leadingModel 屬性的值,由行距基礎及行距方向的有效組合所組成。行距基礎描述段落中決定字行之行距 (或 lineHeight) 的基線。行矩方向指定 lineHeight 屬性代表字行基線與之前字行的距離,或是字行基線與之後字行的距離。

baselines leadingDirection_1 leadingDirection_2 leadingDirection_3

相關 API 元素



公用屬性
 屬性定義自
 Inheritedconstructor : Object
類別物件的參照或是特定物件實體的建構函數。
Object
公用方法
 方法定義自
 Inherited
指出物件是否有已定義的指定屬性。
Object
 Inherited
指出 Object 類別的實體是否位於指定為參數的物件原型鏈中。
Object
 Inherited
指出指定的屬性是否存在,以及是否可列舉。
Object
 Inherited
為迴圈作業設定動態屬性的可用性。
Object
 Inherited
傳回代表此物件的字串,根據地區特定慣例進行格式化。
Object
 Inherited
會傳回指定之物件的字串形式。
Object
 Inherited
會傳回指定之物件的基本值。
Object
公用常數
 常數定義自
  APPROXIMATE_TEXT_FIELD : String = "approximateTextField"
[靜態] 指定近似 TextField 行距行為的行距模型。
LeadingModel
  ASCENT_DESCENT_UP : String = "ascentDescentUp"
[靜態] 指定行距基礎為 ASCENT/DESCENT 且行距方向為 UP。
LeadingModel
  AUTO : String = "auto"
[靜態] 指定根據段落的地區屬性自動選擇行距模型。
LeadingModel
  BOX : String = "box"
[靜態] 指定以 CSS 內嵌格式模型 (需要不斷堆疊線段方框) 為基礎的行距模型。
LeadingModel
  IDEOGRAPHIC_CENTER_DOWN : String = "ideographicCenterDown"
[靜態] 指定行距基礎為 IDEOGRAPHIC_CENTER 且行距方向為向下。
LeadingModel
  IDEOGRAPHIC_CENTER_UP : String = "ideographicCenterUp"
[靜態] 指定行距基礎為 IDEOGRAPHIC_CENTER 且行距方向為 UP。
LeadingModel
  IDEOGRAPHIC_TOP_DOWN : String = "ideographicTopDown"
[靜態] 指定行距基礎為 IDEOGRAPHIC_TOP 且行距方向為 DOWN。
LeadingModel
  IDEOGRAPHIC_TOP_UP : String = "ideographicTopUp"
[靜態] 指定行距基礎為 IDEOGRAPHIC_TOP 且行距方向為 UP。
LeadingModel
  ROMAN_UP : String = "romanUp"
[靜態] 指定行距基礎為 ROMAN 且行距方向為 UP。
LeadingModel
常數詳細資訊

APPROXIMATE_TEXT_FIELD

常數
public static const APPROXIMATE_TEXT_FIELD:String = "approximateTextField"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定近似 TextField 行距行為的行距模型。它類似於 ASCENT_DESCENT_UP,其中 lineHeight 代表從上一行下緣基線到這一行上緣基線的距離。不過,基線位置近似 TextField 所決定的位置,而非使用 TextLine 所提供的度量。

ASCENT_DESCENT_UP

常數 
public static const ASCENT_DESCENT_UP:String = "ascentDescentUp"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 ASCENT/DESCENT 且行距方向為 UP。換言之,lineHeight 是指從上一行下緣基線到這一行上緣基線的距離。

AUTO

常數 
public static const AUTO:String = "auto"

語言版本: ActionScript #IDEOGRAPHIC_TOP_DOWN
執行階段版本: Flash Player 10, AIR 1.5

指定根據段落的 locale 屬性自動選擇行距模型。對於日文和中文,它會是 IDEOGRAPHIC_TOP_DOWN,而對於所有其他語言,則是 ROMAN_UP。

BOX

常數 
public static const BOX:String = "box"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定以 CSS 內嵌格式模型 (需要不斷堆疊線段方框) 為基礎的行距模型。在使用 baselineShiftdominantBaselinealignmentBaseline 等對齊文字行上的所有分葉元素之後,線段方框會定義為內嵌方框周圍的邊界方框。對於範圍,內嵌方框是透過在文字內容上下平均套用行距,使其高度等於以 lineHeight 方式取得的值。對於內嵌圖形,則會忽略 lineHeight;內嵌方框是衍生自其指定的尺寸和邊框距離值。此外,會一起忽略 firstBaselineOffset 會與此行距模型。

如需詳細資訊,請參閱方框行距模型

IDEOGRAPHIC_CENTER_DOWN

常數 
public static const IDEOGRAPHIC_CENTER_DOWN:String = "ideographicCenterDown"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 IDEOGRAPHIC_CENTER 且行距方向為向下。換言之,lineHeight 是指從下一行表意字中央基線到這一行表意字中央基線的距離。

IDEOGRAPHIC_CENTER_UP

常數 
public static const IDEOGRAPHIC_CENTER_UP:String = "ideographicCenterUp"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 IDEOGRAPHIC_CENTER 且行距方向為 UP。換言之,lineHeight 是指從上一行表意字中央基線到這一行表意字中央基線的距離。

IDEOGRAPHIC_TOP_DOWN

常數 
public static const IDEOGRAPHIC_TOP_DOWN:String = "ideographicTopDown"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 IDEOGRAPHIC_TOP 且行距方向為 DOWN。換言之,lineHeight 是指從下一行表意字上方基線到這一行表意字上方基線的距離。

IDEOGRAPHIC_TOP_UP

常數 
public static const IDEOGRAPHIC_TOP_UP:String = "ideographicTopUp"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 IDEOGRAPHIC_TOP 且行距方向為 UP。換言之,lineHeight 是指從上一行表意字上方基線到這一行表意字上方基線的距離。

ROMAN_UP

常數 
public static const ROMAN_UP:String = "romanUp"

語言版本: ActionScript 3.0
執行階段版本: Flash Player 10, AIR 1.5

指定行距基礎為 ROMAN 且行距方向為 UP。換言之,lineHeight 是指從上一行羅馬基線到這一行羅馬基線的距離。





[ X ]為什麼顯示英文?
「ActionScript 3.0 參考」的內容是以英文顯示

並非所有「ActionScript 3.0 參考」的內容都翻譯為所有語言。當語言元素未翻譯時,就會以英文顯示。例如,ga.controls.HelpBox 類別並沒有翻譯為任何語言。因此在參考的繁體中文版本中,ga.controls.HelpBox 類別就會以英文顯示。