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Class awt.GenericGraphics

java.lang.Object
   |
   +----awt.GenericGraphics

public class GenericGraphics

extends Object

Version:

1.13 10 Apr 1995

Author:

Sami Shaio

background

font

foreground

originX

originY

scaleX

scaleY

GenericGraphics(int, int, float, float)

Create a graphics context.

GenericGraphics()

Create a graphics context with origin at (0,0)

clearClip()

Clears the clipping region.

clearRect(int, int, int, int)

Clears the rectangle indicated by x,y,w,h.

clipRect(int, int, int, int)

Sets the clipping rectangle for this Graphics context.

copyArea(int, int, int, int, int, int)

Copies an area of the window that this graphics context paints to.

createChild(int, int, float, float)

Create a new Graphics Object based on this one.

dispose()

Disposes of this Graphics context.

drawChars(char[], int, int, int, int)

Draws the given character array.

drawCharsWidth(char[], int, int, int, int)

Draws the given character array and return the width in pixels.

drawImage(Image, int, int)

Draws an image at x,y.

drawLine(int, int, int, int)

Draws the given line.

drawRect(int, int, int, int)

Draws the given rectangle.

drawString(String, int, int)

Draws the given string.

drawStringWidth(String, int, int)

Draws the given string and returns the length of the drawn string in pixels.

fillRect(int, int, int, int)

Fills the given rectangle with the foreground color.

getFontMetrics(Font)

paint3DRect(int, int, int, int, boolean, boolean)

Paints a highlighted rectangle.

setBackground(Color)

Sets the background color.

setFont(Font)

Sets the font for all subsequent text-drawing operations.

setForeground(Color)

Sets the foreground color.

setOrigin(int, int)

Sets the origin of this Graphics context.

setScaling(float, float)

Sets the scaling factor for this Graphics context.

  public Color background

  public Color foreground

  public Font font

  public int originX

  public int originY

  public float scaleX

  public float scaleY

  public GenericGraphics(int oX,
                         int oY,
                         float sX,
                         float sY)

Create a graphics context.

GenericGraphics

  public GenericGraphics()

Create a graphics context with origin at (0,0)

  public abstract GenericGraphics createChild(int oX,
                                              int oY,
                                              float sX,
                                              float sY)

Create a new Graphics Object based on this one.

dispose

  public void dispose()

Disposes of this Graphics context. It can't be used after being disposed.

setFont

  public void setFont(Font f)

Sets the font for all subsequent text-drawing operations.

getFontMetrics

  public abstract FontMetrics getFontMetrics(Font f)

  public void setForeground(Color c)

Sets the foreground color.

setBackground

  public void setBackground(Color c)

Sets the background color.

paint3DRect

  public void paint3DRect(int x,
                          int y,
                          int w,
                          int h,
                          boolean fill,
                          boolean raised)

Paints a highlighted rectangle.

clipRect

  public abstract void clipRect(int X,
                                int Y,
                                int W,
                                int H)

Sets the clipping rectangle for this Graphics context.

clearClip

  public abstract void clearClip()

Clears the clipping region.

clearRect

  public abstract void clearRect(int X,
                                 int Y,
                                 int W,
                                 int H)

Clears the rectangle indicated by x,y,w,h.

fillRect

  public abstract void fillRect(int X,
                                int Y,
                                int W,
                                int H)

Fills the given rectangle with the foreground color.

drawRect

  public abstract void drawRect(int X,
                                int Y,
                                int W,
                                int H)

Draws the given rectangle.

drawString

  public abstract void drawString(String str,
                                  int x,
                                  int y)

Draws the given string.

drawChars

  public abstract void drawChars(char chars[],
                                 int offset,
                                 int length,
                                 int x,
                                 int y)

Draws the given character array.

drawStringWidth

  public abstract int drawStringWidth(String str,
                                      int x,
                                      int y)

Draws the given string and returns the length of the drawn string in pixels. If font isn't set then returns -1.

drawCharsWidth

  public abstract int drawCharsWidth(char chars[],
                                     int offset,
                                     int length,
                                     int x,
                                     int y)

Draws the given character array and return the width in pixels. If font isn't set then returns -1.

drawLine

  public abstract void drawLine(int x1,
                                int y1,
                                int x2,
                                int y2)

Draws the given line.

drawImage

  public abstract void drawImage(Image I,
                                 int X,
                                 int Y)

Draws an image at x,y.

copyArea

  public abstract void copyArea(int X,
                                int Y,
                                int W,
                                int H,
                                int dx,
                                int dy)

Copies an area of the window that this graphics context paints to.

Parameters:

X - the x-coordinate of the source.

Y - the y-coordinate of the source.

W - the width.

H - the height.

dx - the x-coordinate of the destination.

dy - the y-coordinate of the destination.

setOrigin

  public void setOrigin(int x,
                        int y)

Sets the origin of this Graphics context. All subsequent operations are relative to this origin.

setScaling

  public void setScaling(float sx,
                         float sy)

Sets the scaling factor for this Graphics context. Currently only used for line and rectangle drawing operations.

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