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Summary: Nested | Field | Method | Constr | Detail: Nested | Field | Method | Constr |
java.lang.Object
java.awt.Graphics
Constructor Summary | |
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Method Summary | |
void |
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void |
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void |
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Graphics |
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Graphics |
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void |
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void |
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void |
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void |
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void |
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boolean |
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boolean |
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boolean |
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boolean |
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boolean |
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boolean |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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void |
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Shape |
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Rectangle |
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Rectangle | |
Rectangle |
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Color |
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Font |
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FontMetrics |
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FontMetrics |
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boolean |
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void |
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void | |
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void |
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void |
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String |
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void |
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Methods inherited from class java.lang.Object | |
clone , equals , finalize , getClass , hashCode , notify , notifyAll , toString , wait , wait , wait |
public void clearRect(int x, int y, int width, int height)
Clears the specified rectangle.
- Parameters:
x
- The X coordinate of the upper left corner of the clear rect.y
- The Y coordinate of the upper left corner of the clear rect.width
- The width of the clear rect.height
- The height of the clear rect.
public void clipRect(int x, int y, int width, int height)
Sets the clipping region to the intersection of the current clipping region and the rectangle determined by the specified parameters.
- Parameters:
x
- The X coordinate of the upper left corner of the intersect rect.y
- The Y coordinate of the upper left corner of the intersect rect.width
- The width of the intersect rect.height
- The height of the intersect rect.
public void copyArea(int x, int y, int width, int height, int dx, int dy)
Copies the specified rectangle to the specified offset location.
- Parameters:
x
- The X coordinate of the upper left corner of the copy rect.y
- The Y coordinate of the upper left corner of the copy rect.width
- The width of the copy rect.height
- The height of the copy rect.dx
- The offset from the X value to start drawing.dy
- The offset from the Y value to start drawing.
public Graphics create()
Returns a copy of thisGraphics
object.
- Returns:
- A copy of this object.
public Graphics create(int x, int y, int width, int height)
Returns a copy of thisGraphics
object. The origin point will be translated to the point (x, y) and the cliping rectangle set to the intersection of the clipping rectangle in this object and the rectangle specified by the parameters to this method.
- Parameters:
x
- The new X coordinate of the clipping region rect.y
- The new Y coordinate of the clipping region rect.width
- The width of the clipping region intersect rectangle.height
- The height of the clipping region intersect rectangle.
- Returns:
- A copy of this object, modified as specified.
public void dispose()
Free any resources held by this graphics context immediately instead of waiting for the object to be garbage collected and finalized.
public void drawArc(int x, int y, int width, int height, int arcStart, int arcAngle)
Draws an arc using the specified bounding rectangle and the specified angle parameter. The arc is centered at the center of the rectangle. The arc starts at the arcAngle position and extend for arcAngle degrees. The degree origin is at the 3 o'clock position.
- Parameters:
x
- The X coordinate of the upper left corner of the rect.y
- The Y coordinate of the upper left corner of the rect.width
- The width of the rect.height
- The height of the rect.arcStart
- The beginning angle of the arc.arcAngle
- The extent of the arc.
public void drawChars(data[] , int offset, int length, int x, int y)
Draws the specified characters starting at the specified point.
- Parameters:
offset
- The offset into the array to start drawing characters from.length
- The number of characters to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, Color bgcolor, ImageObserver observer)
FIXME: Write Javadocs for this when you understand it.
public boolean drawImage(Image image, int dx1, int dy1, int dx2, int dy2, int sx1, int sy1, int sx2, int sy2, ImageObserver observer)
FIXME: Write Javadocs for this when you understand it.
public boolean drawImage(Image image, int x, int y, int width, int height, Color bgcolor, ImageObserver observer)
Draws all of the image that is available and returns. The image is scaled to fit in the specified rectangle. If the image is not completely loaded,false
is returned and the specified iamge observer is notified as more data becomes available.
- Parameters:
image
- The image to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.width
- The width of the rectangle to draw in.height
- The height of the rectangle to draw in.bgcolor
- The background color to use for the image.observer
- The image observer to notify as data becomes available.
- Returns:
true
if all the image data is available,false
otherwise.
public boolean drawImage(Image image, int x, int y, int width, int height, ImageObserver observer)
Draws all of the image that is available and returns. The image is scaled to fit in the specified rectangle. If the image is not completely loaded,false
is returned and the specified iamge observer is notified as more data becomes available.
- Parameters:
image
- The image to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.width
- The width of the rectangle to draw in.height
- The height of the rectangle to draw in.observer
- The image observer to notify as data becomes available.
- Returns:
true
if all the image data is available,false
otherwise.
public boolean drawImage(Image image, int x, int y, Color bgcolor, ImageObserver observer)
Draws all of the image that is available and returns. If the image is not completely loaded,false
is returned and the specified iamge observer is notified as more data becomes available.
- Parameters:
image
- The image to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.bgcolor
- The background color to use for the image.observer
- The image observer to notify as data becomes available.
- Returns:
true
if all the image data is available,false
otherwise.
public boolean drawImage(Image image, int x, int y, ImageObserver observer)
Draws all of the image that is available and returns. If the image is not completely loaded,false
is returned and the specified iamge observer is notified as more data becomes available.
- Parameters:
image
- The image to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.observer
- The image observer to notify as data becomes available.
- Returns:
true
if all the image data is available,false
otherwise.
public void drawLine(int x1, int y1, int x2, int y2)
Draws a line between the two specified points.
- Parameters:
x1
- The X coordinate of the first point.y1
- The Y coordinate of the first point.x2
- The X coordinate of the second point.y2
- The Y coordinate of the second point.
public void drawOval(int x, int y, int width, int height)
Draws an oval that just fits within the specified rectangle.
- Parameters:
x
- The X coordinate of the upper left corner of the rect.y
- The Y coordinate of the upper left corner of the rect.width
- The width of the rect.height
- The height of the rect.
public void drawPolygon(Polygon polygon)
Draws the specified polygon.
- Parameters:
polygon
- The polygon to draw.
public void drawPolygon(xPoints[] , yPoints[] , int npoints)
Draws a series of interconnected lines determined by the arrays of corresponding x and y coordinates. The figure is closed if necessary by connecting the first and last points.
- Parameters:
npoints
- The number of points to draw.
public void drawPolyline(xPoints[] , yPoints[] , int npoints)
Draws a series of interconnected lines determined by the arrays of corresponding x and y coordinates.
- Parameters:
npoints
- The number of points to draw.
public void drawRect(int x, int y, int width, int height)
Draws the outline of the specified rectangle.
- Parameters:
x
- The X coordinate of the upper left corner of the draw rect.y
- The Y coordinate of the upper left corner of the draw rect.width
- The width of the draw rect.height
- The height of the draw rect.
public void drawRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
Draws the outline of the specified rectangle with rounded cornders.
- Parameters:
x
- The X coordinate of the upper left corner of the draw rect.y
- The Y coordinate of the upper left corner of the draw rect.width
- The width of the draw rect.height
- The height of the draw rect.arcWidth
- The width of the corner arcs.arcHeight
- The height of the corner arcs.
public void drawString(String string, int x, int y)
Draws the specified string starting at the specified point.
- Parameters:
string
- The string to draw.x
- The X coordinate of the point to draw at.y
- The Y coordinate of the point to draw at.
public void fill3DRect(int x, int y, int width, int height, boolean raised)
Fills the specified rectangle with a 3D effect
- Parameters:
x
- The X coordinate of the upper left corner of the fill rect.y
- The Y coordinate of the upper left corner of the fill rect.width
- The width of the fill rect.height
- The height of the fill rect.raised
-true
if the rectangle appears raised,false
if it should appear etched.
public void fillArc(int x, int y, int width, int height, int arcStart, int arcAngle)
Fills the arc define by the specified bounding rectangle and the specified angle parameter. The arc is centered at the center of the rectangle. The arc starts at the arcAngle position and extend for arcAngle degrees. The degree origin is at the 3 o'clock position.
- Parameters:
x
- The X coordinate of the upper left corner of the rect.y
- The Y coordinate of the upper left corner of the rect.width
- The width of the rect.height
- The height of the rect.arcStart
- The beginning angle of the arc.arcAngle
- The extent of the arc.
public void fillOval(int x, int y, int width, int height)
Fills an oval that just fits within the specified rectangle.
- Parameters:
x
- The X coordinate of the upper left corner of the rect.y
- The Y coordinate of the upper left corner of the rect.width
- The width of the rect.height
- The height of the rect.
public void fillPolygon(Polygon polygon)
Fills the specified polygon
- Parameters:
polygon
- The polygon to fill.
public void fillPolygon(xPoints[] , yPoints[] , int npoints)
Fills the polygon determined by the arrays of corresponding x and y coordinates.
- Parameters:
npoints
- The number of points to draw.
public void fillRect(int x, int y, int width, int height)
Fills the area bounded by the specified rectangle.
- Parameters:
x
- The X coordinate of the upper left corner of the fill rect.y
- The Y coordinate of the upper left corner of the fill rect.width
- The width of the fill rect.height
- The height of the fill rect.
public void fillRoundRect(int x, int y, int width, int height, int arcWidth, int arcHeight)
Fills the specified rectangle with rounded cornders.
- Parameters:
x
- The X coordinate of the upper left corner of the fill rect.y
- The Y coordinate of the upper left corner of the fill rect.width
- The width of the fill rect.height
- The height of the fill rect.arcWidth
- The width of the corner arcs.arcHeight
- The height of the corner arcs.
public void finalize()
Frees the resources held by this graphics context when it is garbage collected.
- Overrides:
- finalize in interface Object
public Shape getClip()
Returns the current clipping region as aShape
object.
- Returns:
- The clipping region as a
Shape
.
public Rectangle getClipBounds()
Returns the bounding rectangle of the clipping region for this graphics context.
- Returns:
- The bounding rectangle for the clipping region.
public Rectangle getClipRect()
Deprecated. This method is deprecated in favor of
getClipBounds()
.Returns the bounding rectangle of the clipping region for this graphics context.
- Returns:
- The bounding rectangle for the clipping region.
public Color getColor()
Returns the current color for this object.
- Returns:
- The color for this object.
public Font getFont()
Returns the current font for this graphics context.
- Returns:
- The current font.
public FontMetrics getFontMetrics()
Returns the font metrics for the current font.
- Returns:
- The font metrics for the current font.
public FontMetrics getFontMetrics(Font font)
Returns the font metrics for the specified font.
- Parameters:
font
- The font to return metrics for.
- Returns:
- The requested font metrics.
public void setClip(int x, int y, int width, int height)
Sets the clipping region to the rectangle determined by the specified parameters.
- Parameters:
x
- The X coordinate of the upper left corner of the rect.y
- The Y coordinate of the upper left corner of the rect.width
- The width of the rect.height
- The height of the rect.
public void setClip(Shape clip)
Sets the clipping region to the specifiedShape
.
- Parameters:
clip
- The new clipping region.
public void setColor(Color color)
Sets the current color for this object.
- Parameters:
color
- The new color.
public void setFont(Font font)
Sets the font for this graphics context to the specified value.
- Parameters:
font
- The new font.
public void setPaintMode()
Sets this context into "paint" mode, where the target pixels are completely overwritten when drawn on.
public void setXORMode(Color color)
Sets this context info "XOR" mode, where the targe pixles are XOR-ed when drawn on.
- Parameters:
color
- The color to XOR against.
public String toString()
Returns a string representation of this object.
- Overrides:
- toString in interface Object
- Returns:
- A string representation of this object.
public void translate(int x, int y)
Translates this context so that its new origin point is the point (x, y).
- Parameters:
x
- The new X coordinate of the origin.y
- The new Y coordinate of the origin.
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