org.corpus_tools.annis.gui.visualizers.component.tree

Interface GraphicsBackend<T extends GraphicsItem>

All Known Implementing Classes:

Java2dBackend

public interface GraphicsBackend<T extends GraphicsItem>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	GraphicsBackend.Alignment
static interface	GraphicsBackend.Font

Method Summary

Modifier and Type	Method and Description
T	arrow(Point2D tip, Point2D fromDirection, Rectangle2D dimensions, Color fillColor) Creates a new arrow item.
T	cubicCurve(CubicCurve2D curveData, Stroke strokeStyle, Color color) Creates a new item that draws a cubic curve.
GraphicsBackend.Font	getFont(Font original, int pointSize, int style) Returns a backend font object.
T	group() Creates a new grouping item.
T	makeLabel(String label, Point2D pos, GraphicsBackend.Font font, Color color, GraphicsBackend.Alignment alignment, Shape shape) Creates a new label item.
T	makeLines(Collection<Line2D> lines, Color color, Stroke strokeStyle)

Method Detail

arrow

T arrow(Point2D tip,
        Point2D fromDirection,
        Rectangle2D dimensions,
        Color fillColor)

Creates a new arrow item.

Parameters:

tip - The point of the arrow's tip.

fromDirection - The point that specifies the direction from which the arrow is pointing.

dimensions - The dimensions (width, height) of the arrow.

fillColor - The fill color.

Returns:

a new graphics item.

cubicCurve

T cubicCurve(CubicCurve2D curveData,
             Stroke strokeStyle,
             Color color)

Creates a new item that draws a cubic curve.

Parameters:

curveData - The curve data.

strokeStyle - The stroking style for the curve.

color - The stroke color.

Returns:

a new graphics item.

getFont

GraphicsBackend.Font getFont(Font original,
                             int pointSize,
                             int style)

Returns a backend font object.

Parameters:

original - The original base font

pointSize - The point size

style - The style constant, as given by the constants in Font.

Returns:

a backend font object.

group

T group()

Creates a new grouping item. Grouping items do not have any content and are just used to bundle together other items.

Returns:

a new grouping item.

makeLabel

T makeLabel(String label,
            Point2D pos,
            GraphicsBackend.Font font,
            Color color,
            GraphicsBackend.Alignment alignment,
            Shape shape)

Creates a new label item.

Parameters:

label - The label string.

pos - The label position.

font - Font to be used for rendering.

color - The text color.

alignment - Alignment of the label string with regard to pos.

shape - The shape surrounding the label string (border, background color)

Returns:

a new label item

makeLines

T makeLines(Collection<Line2D> lines,
            Color color,
            Stroke strokeStyle)