Web page design - Java Swing - O Reilly Paints the Component. This
Java Swing - O Reilly Paints the Component. This implementation just sets the bounds of the Component based on the bounds of the given Shape, and ensures that the component is visible. The actual painting of the Component will occur as a result of it being a child of some Container. public void setSize( float width, float height) Converts the given arguments to integers and calls setSize() on the Component. public int viewToModel( float x, float y, Shape a, Position.Bias[] bias) Returns the View’s start offset, which comes from the Element it was constructed, since Elements containing Components are always only one “character” long. bias[0] is set to the appropriate value based on which half of the given Shape the x parameter falls in. 23.2.11 The IconView Class This class can be used to embed Icons into the view hierarchy. Just as we saw with Components, a single Element in a Document is used to represent the Icon, and a single IconView object is responsible for rendering the Element. 23.2.11.1 Properties The IconView class modifies the implementation of the View properties, shown in Table 23.9. See the description of View properties for details on these properties. In IconView, the alignment property is defined as 1 for the Y_AXIS (align with the bottom of the Icon). The X_AXIS alignment defaults to the value returned by View (0.5). The preferredSpan is simply the width and height of the Icon. The element property must be specified in the constructor. Table 23.9, IconView Properties Property Data Type get is set bound Default Value alignment (indexed)* float Y_AXIS: 1, X_AXIS: 0.5 element* Element From constructor preferredSpan (indexed)* float From Icon dimensions See also properties from the View class (Table 23.2). 23.2.11.2 Constructors public IconView(Element elem) This constructor creates a View for the given Element. It expects to get a valid Icon from the given element’s attribute set. 23.2.11.3 Methods ComponentView implements the three abstract methods defined in View, as well as setSize(), which had an empty implementation in View. public Shape modelToView(int pos, Shape a, Position.Bias b) throws BadLocationException - 771
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