javax.swing.text.GlyphView$GlyphPainter — clojure-interop/javax.swing 1.0.5

A class to perform rendering of the glyphs. This can be implemented to be stateless, or to hold some information as a cache to facilitate faster rendering and model/view translation. At a minimum, the GlyphPainter allows a View implementation to perform its duties independant of a particular version of JVM and selection of capabilities (i.e. shaping for i18n, etc).

->glyph-painter clj

(->glyph-painter)

Constructor.

get-ascent clj

(get-ascent this v)

v - javax.swing.text.GlyphView

returns: float

get-bounded-position clj

(get-bounded-position this v p-0 x len)

Determines the model location that represents the maximum advance that fits within the given span. This could be used to break the given view. The result should be a location just shy of the given advance. This differs from viewToModel which returns the closest position which might be proud of the maximum advance.

v - the view to find the model location to break at. - javax.swing.text.GlyphView p-0 - the location in the model where the fragment should start it's representation >= 0. - int x - the graphic location along the axis that the broken view would occupy >= 0. This may be useful for things like tab calculations. - float len - specifies the distance into the view where a potential break is desired >= 0. - float

returns: the maximum model location possible for a break. - int

get-descent clj

(get-descent this v)

v - javax.swing.text.GlyphView

returns: float

get-height clj

(get-height this v)

v - javax.swing.text.GlyphView

returns: float

get-next-visual-position-from clj

(get-next-visual-position-from this v pos b a direction bias-ret)

Provides a way to determine the next visually represented model location that one might place a caret. Some views may not be visible, they might not be in the same order found in the model, or they just might not allow access to some of the locations in the model.

v - the view to use - javax.swing.text.GlyphView pos - the position to convert >= 0 - int b - either Position.Bias.Forward or Position.Bias.Backward - javax.swing.text.Position$Bias a - the allocated region to render into - java.awt.Shape direction - the direction from the current position that can be thought of as the arrow keys typically found on a keyboard. This may be SwingConstants.WEST, SwingConstants.EAST, SwingConstants.NORTH, or SwingConstants.SOUTH. - int bias-ret - either Position.Bias.Forward or Position.Bias.Backward is returned as the zero-th element of this array - javax.swing.text.Position$Bias[]

returns: the location within the model that best represents the next location visual position. - int

throws: javax.swing.text.BadLocationException

get-painter clj

(get-painter this v p-0 p-1)

Create a painter to use for the given GlyphView. If the painter carries state it can create another painter to represent a new GlyphView that is being created. If the painter doesn't hold any significant state, it can return itself. The default behavior is to return itself.

v - the GlyphView to provide a painter for - javax.swing.text.GlyphView p-0 - the starting document offset >= 0 - int p-1 - the ending document offset >= p0 - int

returns: javax.swing.text.GlyphView$GlyphPainter

get-span clj

(get-span this v p-0 p-1 e x)

Determine the span the glyphs given a start location (for tab expansion).

v - javax.swing.text.GlyphView p-0 - int p-1 - int e - javax.swing.text.TabExpander x - float

returns: float

model-to-view clj

(model-to-view this v pos bias a)

Provides a mapping from the document model coordinate space to the coordinate space of the view mapped to it. This is shared by the broken views.

v - the GlyphView containing the destination coordinate space - javax.swing.text.GlyphView pos - the position to convert - int bias - either Position.Bias.Forward or Position.Bias.Backward - javax.swing.text.Position$Bias a - Bounds of the View - java.awt.Shape

returns: the bounding box of the given position - java.awt.Shape

throws: javax.swing.text.BadLocationException - if the given position does not represent a valid location in the associated document

paint clj

(paint this v g a p-0 p-1)

Paint the glyphs representing the given range.

v - javax.swing.text.GlyphView g - java.awt.Graphics a - java.awt.Shape p-0 - int p-1 - int

view-to-model clj

(view-to-model this v x y a bias-return)

Provides a mapping from the view coordinate space to the logical coordinate space of the model.

v - the GlyphView to provide a mapping for - javax.swing.text.GlyphView x - the X coordinate - float y - the Y coordinate - float a - the allocated region to render into - java.awt.Shape bias-return - either Position.Bias.Forward or Position.Bias.Backward is returned as the zero-th element of this array - javax.swing.text.Position$Bias[]

returns: the location within the model that best represents the given point of view - int