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Eclipse Draw2d 2.1 |
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java.lang.Object | +--org.eclipse.draw2d.Graphics | +--org.eclipse.draw2d.SWTGraphics
Implementation of providing the drawing capabilities of SWT's GC class in Draw2d. There are 2 states contained in this graphics class -- the applied state which is the actual state of the GC and the current state which is the current state of this graphics object. Certain properties can be changed multiple times and the GC won't be updated until it's actually used.
Nested Class Summary | |
protected static class |
SWTGraphics.State
Contains the state variables of this SWTGraphics object |
Field Summary | |
static boolean |
debug
|
Fields inherited from class org.eclipse.draw2d.Graphics |
LINE_DASH, LINE_DASHDOT, LINE_DASHDOTDOT, LINE_DOT, LINE_SOLID |
Constructor Summary | |
SWTGraphics(GC gc)
Constructs a new SWTGraphics that draws to the Canvas using the given GC. |
Method Summary | |
protected void |
checkFill()
If the background color has changed, this change will be pushed to the GC. |
protected void |
checkGC()
If the XOR or the clip region has change, these changes will be pushed to the GC. |
protected void |
checkPaint()
If the line width, line style, foreground or background colors have changed, these changes will be pushed to the GC. |
protected void |
checkText()
If the font has changed, this change will be pushed to the GC. |
void |
clipRect(Rectangle rect)
Sets the clip region to the given rectangle. |
void |
dispose()
Disposes this Graphics object. |
void |
drawArc(int x,
int y,
int width,
int height,
int offset,
int length)
Draws the outline of an arc located at (x,y) with width w and height h. |
void |
drawFocus(int x,
int y,
int w,
int h)
Draws a focus rectangle. |
void |
drawImage(Image srcImage,
int x,
int y)
Draws the given Image at the location (x,y). |
void |
drawImage(Image srcImage,
int x1,
int y1,
int w1,
int h1,
int x2,
int y2,
int w2,
int h2)
Draws a rectangular section of the given Image to the specified rectangular reagion on the canvas. |
void |
drawLine(int x1,
int y1,
int x2,
int y2)
Draws a line between the points (x1,y1) and (x2,y2) using the
foreground color. |
void |
drawOval(int x,
int y,
int width,
int height)
Draws the outline of an ellipse that fits inside the rectangle with the given properties using the foreground color. |
void |
drawPolygon(PointList points)
Draws a closed polygon defined by the given PointList containing the
vertices. |
void |
drawPolyline(PointList points)
Draws a polyline defined by the given PointList containing the vertices.
|
void |
drawRectangle(int x,
int y,
int width,
int height)
Draws a rectangle whose top-left corner is located at the point (x,y) with the given width and height. |
void |
drawRoundRectangle(Rectangle r,
int arcWidth,
int arcHeight)
Draws a rectangle with rounded corners using the foreground color. |
void |
drawString(String s,
int x,
int y)
Draws the given string using the current font and foreground color. |
void |
drawText(String s,
int x,
int y)
Draws the given string using the current font and foreground color. |
void |
fillArc(int x,
int y,
int width,
int height,
int offset,
int length)
Fills the interior of an arc located at (x,y) with width w and height h. |
void |
fillGradient(int x,
int y,
int w,
int h,
boolean vertical)
Fills the the given rectangle with a gradient from the foreground color to the background color. |
void |
fillOval(int x,
int y,
int width,
int height)
Fills an ellipse that fits inside the rectangle with the given properties using the background color. |
void |
fillPolygon(PointList points)
Fills a closed polygon defined by the given PointList containing the
vertices. |
void |
fillRectangle(int x,
int y,
int width,
int height)
Fills a rectangle whose top-left corner is located at the point (x,y) with the given width and height. |
void |
fillRoundRectangle(Rectangle r,
int arcWidth,
int arcHeight)
Fills a rectangle with rounded corners using the background color. |
void |
fillString(String s,
int x,
int y)
Draws the given string using the current font and foreground color. |
void |
fillText(String s,
int x,
int y)
Draws the given string using the current font and foreground color. |
Color |
getBackgroundColor()
Returns the background color used for filling. |
Rectangle |
getClip(Rectangle rect)
Modifies the given rectangle to match the clip region and returns that rectangle. |
Font |
getFont()
Returns the font used to draw and fill text. |
FontMetrics |
getFontMetrics()
Returns the font metrics for the current font. |
Color |
getForegroundColor()
Returns the foreground color used to draw lines and text. |
int |
getLineStyle()
Returns the line style. |
int |
getLineWidth()
Returns the current line width. |
boolean |
getXORMode()
Returns true if this graphics object should use XOR mode with painting. |
protected void |
init()
Called by constructor, initializes all State information for currentState |
void |
popState()
Pops the previous state of this graphics object off the stack (if pushState()
has previously been called) and restores the current state to that popped state. |
void |
pushState()
Pushes the current state of this graphics object onto a stack. |
void |
restoreState()
Restores the previous state of this graphics object. |
protected void |
restoreState(SWTGraphics.State s)
Sets all State information to that of the given State, called by restoreState() |
void |
scale(double factor)
Scales this graphics object by the given amount. |
void |
setBackgroundColor(Color color)
Sets the background color. |
void |
setClip(Rectangle rect)
Sets the clip rectangle. |
protected void |
setClipAbsolute(int x,
int y,
int w,
int h)
Sets clip values to the given values. |
void |
setFont(Font f)
Sets the font. |
void |
setForegroundColor(Color color)
Sets the foreground color. |
void |
setLineStyle(int style)
Sets the line style. |
void |
setLineWidth(int width)
Sets the line width. |
protected void |
setTranslation(int x,
int y)
Sets the translation values of this to the given values |
void |
setXORMode(boolean b)
Sets the XOR mode. |
void |
translate(int x,
int y)
Translates this graphics object so that its origin is offset horizontally by dx and vertically by dy. |
Methods inherited from class org.eclipse.draw2d.Graphics |
drawArc, drawFocus, drawImage, drawImage, drawLine, drawOval, drawRectangle, drawString, drawText, fillArc, fillGradient, fillOval, fillRectangle, fillString, fillText, translate |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
public static boolean debug
Constructor Detail |
public SWTGraphics(GC gc)
gc
- the GCMethod Detail |
protected final void checkFill()
checkGC()
.
protected final void checkGC()
protected final void checkPaint()
checkGC()
.
protected final void checkText()
checkPaint()
and checkFill()
.
public void clipRect(Rectangle rect)
Graphics
clipRect
in class Graphics
rect
- the clip rectangleGraphics.clipRect(Rectangle)
public void dispose()
Graphics
dispose
in class Graphics
Graphics.dispose()
public void drawArc(int x, int y, int width, int height, int offset, int length)
Graphics
drawArc
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightoffset
- the start anglelength
- the length of the arcGraphics.drawArc(int, int, int, int, int, int)
public void drawFocus(int x, int y, int w, int h)
Graphics
drawFocus
in class Graphics
x
- the x coordinatey
- the y coordinatew
- the widthh
- the heightGraphics.drawFocus(int, int, int, int)
public void drawImage(Image srcImage, int x, int y)
Graphics
drawImage
in class Graphics
srcImage
- the Imagex
- the x coordinatey
- the y coordinateGraphics.drawImage(Image, int, int)
public void drawImage(Image srcImage, int x1, int y1, int w1, int h1, int x2, int y2, int w2, int h2)
Graphics
drawImage
in class Graphics
srcImage
- the imagex1
- the x coordinate of the sourcey1
- the y coordinate of the sourcew1
- the width of the sourceh1
- the height of the sourcex2
- the x coordinate of the destinationy2
- the y coordinate of the destinationw2
- the width of the destinationh2
- the height of the destinationGraphics.drawImage(Image, int, int, int, int, int, int, int, int)
public void drawLine(int x1, int y1, int x2, int y2)
Graphics
(x1,y1)
and (x2,y2)
using the
foreground color.
drawLine
in class Graphics
x1
- the x coordinate for the first pointy1
- the y coordinate for the first pointx2
- the x coordinate for the second pointy2
- the y coordinate for the second pointGraphics.drawLine(int, int, int, int)
public void drawOval(int x, int y, int width, int height)
Graphics
drawOval
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightGraphics.drawOval(int, int, int, int)
public void drawPolygon(PointList points)
Graphics
PointList
containing the
vertices. The first and last points in the list will be connected.
drawPolygon
in class Graphics
points
- the verticesGraphics.drawPolygon(PointList)
public void drawPolyline(PointList points)
Graphics
PointList
containing the vertices.
The first and last points in the list will not be connected.
drawPolyline
in class Graphics
points
- the verticesGraphics.drawPolyline(PointList)
public void drawRectangle(int x, int y, int width, int height)
Graphics
drawRectangle
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightGraphics.drawRectangle(int, int, int, int)
public void drawRoundRectangle(Rectangle r, int arcWidth, int arcHeight)
Graphics
drawRoundRectangle
in class Graphics
r
- the rectanglearcWidth
- the arc widtharcHeight
- the arc heightGraphics.drawRoundRectangle(Rectangle, int, int)
public void drawString(String s, int x, int y)
Graphics
drawString
in class Graphics
s
- the stringx
- the x coordinatey
- the y coordinateGraphics.drawString(String, int, int)
public void drawText(String s, int x, int y)
Graphics
drawText
in class Graphics
s
- the textx
- the x coordinatey
- the y coordinateGraphics.drawText(String, int, int)
public void fillArc(int x, int y, int width, int height, int offset, int length)
Graphics
fillArc
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightoffset
- the start anglelength
- the length of the arcGraphics.fillArc(int, int, int, int, int, int)
public void fillGradient(int x, int y, int w, int h, boolean vertical)
Graphics
true
, the gradient will go from
top to bottom. Otherwise, it will go from left to right.
background color.
fillGradient
in class Graphics
x
- the x coordinatey
- the y coordinatew
- the widthh
- the heightvertical
- whether the gradient should be verticalGraphics.fillGradient(int, int, int, int, boolean)
public void fillOval(int x, int y, int width, int height)
Graphics
fillOval
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightGraphics.fillOval(int, int, int, int)
public void fillPolygon(PointList points)
Graphics
PointList
containing the
vertices. The first and last points in the list will be connected.
fillPolygon
in class Graphics
points
- the verticesGraphics.fillPolygon(PointList)
public void fillRectangle(int x, int y, int width, int height)
Graphics
fillRectangle
in class Graphics
x
- the x coordinatey
- the y coordinatewidth
- the widthheight
- the heightGraphics.fillRectangle(int, int, int, int)
public void fillRoundRectangle(Rectangle r, int arcWidth, int arcHeight)
Graphics
fillRoundRectangle
in class Graphics
r
- the rectanglearcWidth
- the arc widtharcHeight
- the arc heightGraphics.fillRoundRectangle(Rectangle, int, int)
public void fillString(String s, int x, int y)
Graphics
fillString
in class Graphics
s
- the stringx
- the x coordinatey
- the y coordinateGraphics.fillString(String, int, int)
public void fillText(String s, int x, int y)
Graphics
fillText
in class Graphics
s
- the textx
- the x coordinatey
- the y coordinateGraphics.fillText(String, int, int)
public Color getBackgroundColor()
Graphics
getBackgroundColor
in class Graphics
Graphics.getBackgroundColor()
public Rectangle getClip(Rectangle rect)
Graphics
getClip
in class Graphics
rect
- the rectangle to hold the clip region
Graphics.getClip(Rectangle)
public Font getFont()
Graphics
getFont
in class Graphics
Graphics.getFont()
public FontMetrics getFontMetrics()
Graphics
getFontMetrics
in class Graphics
Graphics.getFontMetrics()
public Color getForegroundColor()
Graphics
getForegroundColor
in class Graphics
Graphics.getForegroundColor()
public int getLineStyle()
Graphics
getLineStyle
in class Graphics
Graphics.getLineStyle()
public int getLineWidth()
Graphics
getLineWidth
in class Graphics
Graphics.getLineWidth()
public boolean getXORMode()
Graphics
true
if this graphics object should use XOR mode with painting.
getXORMode
in class Graphics
Graphics.getXORMode()
protected void init()
public void popState()
Graphics
Graphics.pushState()
has previously been called) and restores the current state to that popped state.
popState
in class Graphics
Graphics.popState()
public void pushState()
Graphics
pushState
in class Graphics
Graphics.pushState()
public void restoreState()
Graphics
restoreState
in class Graphics
Graphics.restoreState()
protected void restoreState(SWTGraphics.State s)
s
- the Statepublic void scale(double factor)
Graphics
scale
in class Graphics
factor
- the scale factorGraphics.scale(double)
public void setBackgroundColor(Color color)
Graphics
setBackgroundColor
in class Graphics
color
- the new background colorGraphics.setBackgroundColor(Color)
public void setClip(Rectangle rect)
Graphics
setClip
in class Graphics
rect
- the new clip rectangleGraphics.setClip(Rectangle)
protected void setClipAbsolute(int x, int y, int w, int h)
x
- the X valuey
- the Y valuew
- the width valueh
- the height valuepublic void setFont(Font f)
Graphics
setFont
in class Graphics
f
- the new fontGraphics.setFont(Font)
public void setForegroundColor(Color color)
Graphics
setForegroundColor
in class Graphics
color
- the new foreground colorGraphics.setForegroundColor(Color)
public void setLineStyle(int style)
Graphics
setLineStyle
in class Graphics
style
- the new styleGraphics.setLineStyle(int)
public void setLineWidth(int width)
Graphics
setLineWidth
in class Graphics
width
- the new widthGraphics.setLineWidth(int)
protected void setTranslation(int x, int y)
x
- The x valuey
- The y valuepublic void setXORMode(boolean b)
Graphics
setXORMode
in class Graphics
b
- the new XOR modeGraphics.setXORMode(boolean)
public void translate(int x, int y)
Graphics
translate
in class Graphics
x
- the horizontal offsety
- the vertical offsetGraphics.translate(int, int)
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Eclipse Draw2d 2.1 |
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PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |