| antialiasing |
An
int
that determines whether antialiasing is used to smooth shapes
(but not text strings) that are drawn on
drawable.
A value of
1
enables antialiasing,
0
disables it, and any other value, including
-1
which is the default, lets Java's rendering engine pick the behavior.
|
| appendpath |
A
Builtin
that appends a copy of another path to
path.
|
| arc |
A
Builtin
that adds an arc to
path.
|
| arcn |
A
Builtin
that adds an arc to
path.
|
| ashow |
A
Builtin
that draws the characters in a string on
drawable.
|
| awidthshow |
A
Builtin
that draws the characters in a string on
drawable.
|
| background |
A
Color
that is used in combination with
foreground
when an operation draws on
drawable
in XOR mode, which is controlled by the value assigned to
xormode.
In XOR mode drawing pixels that have a color of
background
are changed to
foreground,
provided it is a
Color,
and visa versa.
|
| charpath |
A
Builtin
that appends the outline of the characters in a string to
path.
|
| clip |
A
Builtin
that establishes a new clipping path by intersecting
path
and the current clipping path.
|
| clippath |
A
Builtin
that replaces
path
with the current clipping path.
|
| closepath |
A
Builtin
that closes the current subpath in
path.
|
| compositerule |
An
int
that determines how pixels in
drawable
are combined with the pixels generated by rendering built-ins, like
like
fill,
show,
or
stroke,
to yield the final result.
The value should be one of
COMPOSITE_CLEAR,
COMPOSITE_DST_IN,
COMPOSITE_DST_OUT,
COMPOSITE_DST_OVER,
COMPOSITE_SRC,
COMPOSITE_SRC_IN,
COMPOSITE_SRC_OUT,
or
COMPOSITE_SRC_OVER
(the default),
which are all defined in
yoix.graphics.
|
| concat |
A
Builtin
that multiplies
CTM
by another matrix and replaces
CTM
by the result.
|
| concatmatrix |
A
Builtin
that multiplies
CTM
by another matrix and returns the result.
|
| CTM |
A
Matrix
that is automatically used to transform points that a Yoix program
works with into points that describe a physical location in
drawable.
We often refer to this as a transformation from "user space" to "device space".
By default
CTM
transforms user space coordinates into a device space coordinate system that
has its origin at the upper left corner of
drawable,
positive x to the right, positive y down, and a resolution of 72 dots per inch.
|
| currentmatrix |
A
Builtin
that returns a writable copy of
CTM.
|
| currentpath |
A
Builtin
that returns a copy of
path.
|
| currentpoint |
A
Builtin
that returns the current point in
path
or
NULL
if
path
is empty.
|
| curveto |
A
Builtin
that adds a Bezier cubic curve to
path.
|
| dasharray |
An
Array
of non-negative numbers that together with
dashphase
determine how dashes are distributed when built-ins, like
stroke
or
strokepath,
draw the current
path.
The numbers in
dasharray
are interpreted as distances in user space and used cyclically to control
the distribution of dashes and gaps:
the first number is the length of the first dash, the second number
is the length of the first gap, and so on.
Dashing is disabled when
dasharray
is empty or
NULL.
|
| dashphase |
A non-negative
Number
that together with
dasharray
determine how dashes are distributed when built-ins, like
stroke
or
strokepath,
draw the current
path.
The value of
dashphase
is interpreted as a distance in user space that determines the
dasharray
starting point.
|
| dividematrix |
A
Builtin
that divides
CTM
by another matrix and returns the result.
|
| drawable |
An
Object,
that represents the drawing surface that is affected when rendering built-ins
like
fill,
show,
or
stroke,
are called.
The value assigned to
drawable
must be an
Image,
Canvas,
Dialog,
Frame,
Panel,
Window,
JCanvas,
JDialog,
JFrame,
JPanel,
or
JWindow.
|
| drawablebbox |
A
Builtin
that returns a rectangle that represents the bounds of
drawable.
|
| dtransform |
A
Builtin
that transforms a displacement using
CTM.
|
| eoclip |
A
Builtin
that establishes a new clipping path by intersecting
path
and the current clipping path.
|
| eoerase |
A
Builtin
that clears the interior of
path
on
drawable.
|
| eofill |
A
Builtin
that paints the interior of
path
on
drawable.
|
| eointersects |
A
Builtin
that can be used to test whether
path
intersects another path or
Rectangle.
|
| erase |
A
Builtin
that clears the interior of
path
on
drawable.
|
| erasedrawable |
A
Builtin
that clears
drawable.
|
| fill |
A
Builtin
that paints the interior of
path
on
drawable.
|
| flattenpath |
A
Builtin
that changes
path
to one in which all curved components are replaced by sequences of
line segments that approximate the curves.
|
| font |
The
Font,
or font name if it is a
String,
that is used when a built-in draws a text string on
drawable
using this graphics object.
|
| foreground |
A
Color,
Image,
or special
Array
that is used to select pixel colors when an operation, like
fill
or
stroke
draws on
drawable
in overwrite mode.
Although
foreground
can be set directly, most applications use built-ins, like
setgray,
setrgbcolor,
setgradient,
or
settexture,
to make changes.
|
| fractionalmetrics |
An
int
that is
1
when floating point numbers are used to position the individual characters
in a text string, and
0
(the default) when integers are be used.
|
| grestore |
A
Builtin
that restores the last saved graphics state.
|
| grestoreall |
A
Builtin
that restores the first saved graphics state.
|
| gsave |
A
Builtin
that saves the current graphics state.
|
| identmatrix |
A
Builtin
that replaces
CTM
with the identity matrix.
|
| idtransform |
A
Builtin
that transforms a displacement using the inverse of
CTM.
|
| imagepath |
A
Builtin
that appends the outline of an image to
path.
|
| ineofill |
A
Builtin
that tests if a point lies inside
path.
|
| infill |
A
Builtin
that tests if a point lies inside
path.
|
| initclip |
A
Builtin
that clears the current clipping path.
|
| initgraphics |
A
Builtin
that assigns default values to graphics state fields.
|
| initmatrix |
A
Builtin
that changes
CTM
so it represents the default Yoix coordinate system.
|
| instroke |
A
Builtin
that tests if a point would be painted if
path
were stroked.
|
| intersects |
A
Builtin
that can be used to test whether
path
intersects another path or
Rectangle.
|
| invertmatrix |
A
Builtin
that returns the inverse of
CTM.
|
| itransform |
A
Builtin
that transforms a point using the inverse of
CTM.
|
| kshow |
A
Builtin
that draws the characters in a string on
drawable.
|
| linecap |
An
int
that determines what happens at the ends of open subpaths when built-ins, like
stroke
or
strokepath,
draw the current
path.
The value should be one of
CAP_BUTT
(the default),
CAP_ROUND,
or
CAP_SQUARE,
which are all defined in
yoix.graphics.
|
| linejoin |
An
int
that determines what happens at the joints where curves and lines join
when built-ins, like
stroke
or
strokepath,
draw the current
path.
The value should be one of
JOIN_MITER
(the default),
JOIN_ROUND,
or
JOIN_BEVEL,
which are all defined in
yoix.graphics.
|
| lineto |
A
Builtin
that adds a line segment to
path.
|
| linewidth |
A
Number
that represents the thickness of lines and curves produced when built-ins,
like
stroke
or
strokepath,
draw the current
path.
The value is always interpreted as a distance perpendicular to
path
in user space, which means results depend on the values stored in
CTM
when the built-in that uses
linewidth
(e.g.,
stroke)
is called.
Pixels on either side of
path
that lie within half a
linewidth
of
path
are painted.
|
| maptopixel |
A
Builtin
that returns a point in user space close to a given point that also
maps directly to a pixel in device space.
|
| miterlimit |
A
Number
that should be greater than or equal to 1 that controls the appearance of
the joints produced when
linejoin
is set to
JOIN_MITER.
In particular, miter joints are truncated when the width of the joint
(i.e., the distance between the inner and outer corners) divided by
linewidth
exceeds
miterlimit.
|
| moveto |
A
Builtin
that starts a new subpath in
path.
|
| newpath |
A
Builtin
that clears
path.
|
| path |
A
Path
that is automatically used by the built-ins defined in this graphics object
that operate a path.
|
| pathbbox |
A
Builtin
that returns a rectangle that represents the bounding box of
path.
|
| pathforall |
A
Builtin
that examines every element in
path
and calls functions based on the type of each element that is encountered.
|
| quadto |
A
Builtin
that adds a quadratic curve to
path.
|
| rcurveto |
A
Builtin
that adds a Bezier cubic curve to
path.
|
| rectbutton |
A
Builtin
that can be used to draw a rectangle on
drawable
that looks like a raised or lowered button.
|
| rectclip |
A
Builtin
that establishes a new clipping path by intersecting a rectangle
with the current clipping path.
|
| rectcopy |
A
Builtin
can be used to copy pixels from one rectangle to another on
drawable.
|
| recterase |
A
Builtin
that clears a rectangle on
drawable.
|
| rectfill |
A
Builtin
that paints the interior of a rectangle on
drawable.
|
| rectmove |
A
Builtin
can be used to a move a rectangle on
drawable,
which means the pixels in the rectangle are first copied to a new
location and then the source rectangle, minus any overlap with the
destination, is erased.
|
| rectstroke |
A
Builtin
that draws the outline of a rectangle on
drawable.
|
| rendering |
An
int
that sometimes provides limited device-dependent control over the
rendering algorithm used by the Java Virtual Machine.
A value of
0
means we prefer speed, a value of
1
means we prefer quality, and any other value, including
-1
which is the default, means we have no preference.
Nothing is guaranteed, so you should not write programs that depend
on a particular setting.
|
| rlineto |
A
Builtin
that adds a line segment to
path.
|
| rmoveto |
A
Builtin
that starts a new subpath in
path.
|
| rotate |
A
Builtin
that changes
CTM
so it applies a rotation about the origin to transformed points.
|
| rotatefont |
A
Builtin
that creates a new font by rotating the characters in
font.
|
| rotatepath |
A
Builtin
that changes
path
by applying a rotation to every point currently stored in
path.
|
| rquadto |
A
Builtin
that adds a quadratic curve to
path.
|
| scale |
A
Builtin
that changes
CTM
so it applies horizontal and vertical scaling to transformed points.
|
| scalefont |
A
Builtin
that creates a new font by scaling the characters in
font.
|
| scalepath |
A
Builtin
that changes
path
by applying a horizontal and vertical scaling to every point currently stored in
path.
|
| setcmykcolor |
A
Builtin
that sets
foreground
to a color specified by cyan, magenta, and yellow components.
|
| setdash |
A
Builtin
that controls the appearance of dashed lines and curves
by storing values in
dasharray
and
dashphase.
|
| setfont |
A
Builtin
that selects the font used to draw text strings on
drawable.
|
| setgradient |
A
Builtin
that sets
foreground
to a value that changes smoothly from one color to another along a line
that connects two points.
|
| setgray |
A
Builtin
that sets
foreground
to a color that represents a shade of gray.
|
| sethsbcolor |
A
Builtin
that sets
foreground
to a color specified by hue, saturation, and brightness components.
|
| setlinecap |
A
Builtin
that affects the appearance of stroked paths by storing a value in
linecap.
|
| setlinejoin |
A
Builtin
that affects the appearance of stroked paths by storing a value in
linejoin.
|
| setlinewidth |
A
Builtin
that affects the appearance of stroked paths by storing a value in
linewidth.
|
| setmatrix |
A
Builtin
that replaces
CTM
with a copy of another matrix.
|
| setmiterlimit |
A
Builtin
that affects the appearance of stroked paths by storing a value in
miterlimit.
|
| setpath |
A
Builtin
that replaces
path
with a copy of another path.
|
| setrgbcolor |
A
Builtin
that sets
foreground
to a color specified by red, green, and blue components.
|
| settexture |
A
Builtin
that sets
foreground
to a value that uses an image to select pixel colors.
|
| shear |
A
Builtin
that changes
CTM
so it applies horizontal and vertical shearing to transformed points.
|
| shearfont |
A
Builtin
that creates a new font by shearing the characters in
font.
|
| shearpath |
A
Builtin
that changes
path
by applying a horizontal and vertical shearing to every point currently stored in
path.
|
| show |
A
Builtin
that draws the characters in a string on
drawable.
|
| showimage |
A
Builtin
that draws an image on
drawable.
|
| stringadvance |
A
Builtin
that calculates how far the current point would move horizontally and
vertically after a string is drawn.
|
| stringbounds |
A
Builtin
that tries to return a rectangle that covers a string if it were
drawn at the origin.
|
| stringwidth |
A
Builtin
that calculates how far the current point would move horizontally
after a string is drawn.
|
| stroke |
A
Builtin
that draws the outline of
path
on
drawable.
|
| strokepath |
A
Builtin
that replaces
path
with an outline that can be filled to reproduce what
stroke
would draw using the original path.
|
| textantialiasing |
An
int
that determines whether antialiasing is used smooth the shapes produced
when character outlines are processed by the rendering engine and drawn on
drawable.
A value of
1
enables antialiasing,
0
disables it, and any other value, including
-1
which is the default, lets Java's rendering engine pick the behavior.
|
| transform |
A
Builtin
that transforms a point using
CTM.
|
| transformfont |
A
Builtin
that creates a new font by applying an affine transformation to the
characters in
font.
|
| transformpath |
A
Builtin
that changes
path
by applying an affine transformation to every point currently stored in
path.
|
| translate |
A
Builtin
that changes
CTM
so it applies horizontal and vertical translation to transformed points.
|
| translatefont |
A
Builtin
that creates a new font by translating the characters in
font.
|
| translatepath |
A
Builtin
that changes
path
by applying a horizontal and vertical translation to every point currently stored in
path.
|
| widthshow |
A
Builtin
that draws the characters in a string on
drawable.
|
| xormode |
An
int
that forces all subsequent drawing operations to be done in XOR mode
when it is non-zero and in overwrite mode (the default) otherwise.
When XOR mode is enabled, pixels that have a color of
background
are changed to
foreground,
provided it is a
Color,
and visa versa;
all other color changes are unpredictable, but drawing the same figure twice
restores pixels to their original values.
|
Any permanent fields that have not been documented should not be referenced
in Yoix applications.
We also strongly recommend that new applications draw using
