com.mxgraph.canvas

Interface mxICanvas

All Known Implementing Classes:

mxBasicCanvas, mxGraphics2DCanvas, mxHtmlCanvas, mxImageCanvas, mxInteractiveCanvas, mxSvgCanvas, mxVmlCanvas

public interface mxICanvas

Defines the requirements for a canvas that paints the vertices and edges of a graph.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	drawCell(mxCellState state) Draws the given cell.
java.lang.Object	drawLabel(java.lang.String text, mxCellState state, boolean html) Draws the given label.
double	getScale() Returns the scale.
mxPoint	getTranslate() Returns the current translation.
void	setScale(double scale) Sets the scale for the following drawing requests.
void	setTranslate(double x, double y) Sets the translation for the following drawing requests.

Method Detail

setTranslate

void setTranslate(double x,
                  double y)

Sets the translation for the following drawing requests.

getTranslate

mxPoint getTranslate()

Returns the current translation.

Returns:

Returns the current translation.

setScale

void setScale(double scale)

Sets the scale for the following drawing requests.

getScale

double getScale()

Returns the scale.

drawCell

java.lang.Object drawCell(mxCellState state)

Draws the given cell.

Parameters:

state - State of the cell to be painted.

Returns:

Object that represents the cell.

drawLabel

java.lang.Object drawLabel(java.lang.String text,
                           mxCellState state,
                           boolean html)

Draws the given label.

Parameters:

text - String that represents the label.

state - State of the cell whose label is to be painted.

html - Specifies if the label contains HTML markup.

Returns:

Object that represents the label.