org.vishia.gral.swt

Class SwtCanvasDrawer

java.lang.Object

org.vishia.gral.swt.SwtCanvasDrawer

All Implemented Interfaces:

GralCanvas_ifc

public class SwtCanvasDrawer
extends java.lang.Object
implements GralCanvas_ifc

Field Summary

Fields

Modifier and Type	Field and Description
private GC	graphicContext
private SwtMng	widgMng

Fields inherited from interface org.vishia.gral.ifc.GralCanvas_ifc

version

Constructor Summary

Constructors

Constructor and Description
SwtCanvasDrawer(SwtMng widgMng, GC graphicContext)

Method Summary

Modifier and Type	Method and Description
void	drawImage(GralImageBase image, int x, int y, int dx, int dy, GralRectangle imagePixelSize)
void	drawLine(GralColor color, int x1, int y1, int x2, int y2) Accepts a order to draw a line.
void	drawText(java.lang.String text)
void	setTextStyle(GralColor color, GralFont font, int origin)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

graphicContext

private final GC graphicContext

widgMng

private final SwtMng widgMng

Constructor Detail

SwtCanvasDrawer

SwtCanvasDrawer(SwtMng widgMng,
                GC graphicContext)

Method Detail

drawImage

public void drawImage(GralImageBase image,
                      int x,
                      int y,
                      int dx,
                      int dy,
                      GralRectangle imagePixelSize)

Specified by:

drawImage in interface GralCanvas_ifc

drawLine

public void drawLine(GralColor color,
                     int x1,
                     int y1,
                     int x2,
                     int y2)

Description copied from interface: GralCanvas_ifc

Accepts a order to draw a line. The coordinates are stored only. This method can be called in any thread. It is thread-safe.

Specified by:

drawLine in interface GralCanvas_ifc

x1 - TODO yet it is pixel coordinates, use GralGrid coordinates.

drawText

public void drawText(java.lang.String text)

Specified by:

drawText in interface GralCanvas_ifc

setTextStyle

public void setTextStyle(GralColor color,
                         GralFont font,
                         int origin)

Specified by:

setTextStyle in interface GralCanvas_ifc