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add(gobj) -
Method in class GCompound- Adds a new graphical object to this
GCompound.
add(gobj) -
Method in class GWindow- Adds the graphical object to this canvas.
add(gobj, x, y) -
Method in class GCompound- Adds the graphical object to this canvas and sets its location
to the point (
x, y).
add(gobj, x, y) -
Method in class GWindow- Adds the graphical object to this canvas and sets its location
to the point (x, y).
add_edge(dx, dy) -
Method in class GPolygon- Adds an edge to the polygon whose components are given by the displacements
dx and dy from the last vertex.
add_event_listener(type, fn) -
Method in class GWindow- Registers a new listener for events of the specified type occuring
in the window.
add_polar_edge(r, theta) -
Method in class GPolygon- Adds an edge to the polygon specified in polar coordinates.
add_vertex(x, y) -
Method in class GPolygon- Adds a vertex at (
x, y) relative to the
polygon origin.
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contains(x, y) -
Method in class GCompound- Checks to see whether a point is “inside” the compound,
which means that it is inside one of the components.
contains(x, y) -
Method in class GObject- Checks to see whether a point is contained in this object.
create_rgb_pixel(red, green, blue) -
Static method in class GImage- Creates a new opaque pixel value from the three color components.
create_rgb_pixel(alpha, red, green, blue) -
Static method in class GImage- Creates a new opaque pixel value from the transparency and the three
color components.
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GArc - Class in the Portable Graphics Library- This class displays an elliptical arc.
GArc(width, height, start, sweep)
GArc(width, height, start, sweep)
Creates a new GArc object consisting of an elliptical arc
located at the point (0, 0).
GArc(x, y, width, height, start, sweep) -
Method in class GArc- Creates a new
GArc object consisting of an elliptical
arc inscribed in the rectangle with the specified bounds.
GCompound - Class in the Portable Graphics Library- This class defines a graphical object that consists of a collection
of other graphical objects.
GCompound() -
Method in class GCompound- Creates a new
GCompound object with no internal components.
GDimension - Class in the Portable Graphics Library- This class encapsulates a size containing a width and a height.
GDimension(width, height) -
Method in class GDimension- Constructs a new dimension object with the specified components.
get_alpha(pixel) -
Static method in class GImage- Returns the alpha component of the specified pixel value, which
indicates its transparency.
get_ascent() -
Method in class GLabel- Returns the distance this font extends above the baseline.
get_blue(pixel) -
Static method in class GImage- Returns the blue component of the specified pixel value.
get_bounds() -
Method in class GCompound- Returns the bounding rectangle for this compound object, which consists of
the union of the bounding rectangles for each of the components.
get_bounds() -
Method in class GObject- Returns the bounding rectangle for this object.
get_color() -
Method in class GObject- Returns the color used to display this object.
get_descent() -
Method in class GLabel- Returns the distance this font descends below the baseline.
get_element(k) -
Method in class GWindow- Returns the graphical object at the specified index, numbering from back
to front in the the z dimension.
get_element(k) -
Method in class GCompound- Returns the graphical object at index k, numbering from back
to front in the the z dimension.
get_element_at(x, y) -
Method in class GCompound- Returns the topmost graphical object that contains the point
(x, y), or
None if no such
object exists.
get_element_at(x, y) -
Method in class GWindow- Returns the topmost graphical object that contains the point
(
x, y), or None if no such
object exists.
get_element_count() -
Method in class GCompound- Returns the number of graphical objects stored in this compound.
get_element_count() -
Method in class GWindow- Returns the number of graphical objects stored in this
GWindow.
get_end_point() -
Method in class GArc- Returns the point at which the arc ends.
get_end_point() -
Method in class GLine- Returns the end point of the line as a
GPoint object.
get_fill_color() -
Method in class GFillableObject- Returns the color used to fill this object.
get_font() -
Method in class GLabel- Returns the font in which the
GLabel is displayed.
get_frame_rectangle() -
Method in class GArc- Returns the bounds of the
GRectangle in which this arc is
inscribed.
get_green(pixel) -
Static method in class GImage- Returns the green component of the specified pixel value.
get_height() -
Method in class GDimension- Returns the height of this
GDimension.
get_height() -
Method in class GDimension- Returns the height of this
GDimension object.
get_height() -
Method in class GObject- Returns the height of this graphical object.
get_height() -
Method in class GRectangle- Returns the height of this
GRectangle object.
get_height() -
Method in class GWindow- Returns the height of this window in pixels.
get_key() -
Method in class GKeyEvent- Returns the character that triggered the event.
get_label() -
Method in class GLabel- Returns the string displayed by this object.
get_line_width() -
Method in class GObject- Returns the width of the lines used to draw the object.
get_location() -
Method in class GObject- Returns the location of this object as a
GPoint.
get_red(pixel) -
Static method in class GImage- Returns the red component of the specified pixel value.
get_size() -
Method in class GObject- Returns the size of the bounding box for this object.
get_source() -
Method in class GEvent- Returns the object that triggered this event.
get_start_angle() -
Method in class GArc- Returns the starting angle for this
GArc object.
get_start_point() -
Method in class GArc- Returns the point at which the arc starts.
get_start_point() -
Method in class GLine- Returns the coordinates of the initial point in the line.
get_sweep_angle() -
Method in class GArc- Returns the sweep angle for this
GArc object.
get_width() -
Method in class GDimension- Returns the width of this
GDimension.
get_width() -
Method in class GObject- Returns the width of this object, which is defined to be
the width of the bounding box.
get_width() -
Method in class GRectangle- Returns the width of this
GRectangle object.
get_width() -
Method in class GWindow- Returns the width of this window in pixels.
get_x() -
Method in class GMouseEvent- Returns the x coordinate of this
GPoint.
get_x() -
Method in class GPoint- Returns the x-coordinate of the object.
get_x() -
Method in class GRectangle- Returns the x coordinate of this
GRectangle.
get_x() -
Method in class GMouseEvent- Returns the x coordinate of this
GMouseEvent.
get_y() -
Method in class GPoint- Returns the y coordinate of this
GPoint.
get_y() -
Method in class GObject- Returns the y-coordinate of the object.
get_y() -
Method in class GRectangle- Returns the y coordinate of this
GRectangle.
get_y() -
Method in class GMouseEvent- Returns the y coordinate of this
GMouseEvent.
GImage - Class in the Portable Graphics Library- This abstract class forms the root of the event hierarchy.
GFillableObject - Class in the Portable Graphics Library- This abstract class unifies the
GObject subclasses that support filling.
GImage - Class in the Portable Graphics Library- This class displays an image.
GImage(array) -
Method in class GImage- Creates a new
GImage object at the origin.
GImage(filename) -
Method in class GImage- Creates a new
GImage object by reading an image from the specified file.
GKeyEvent - Class in the Portable Graphics Library- This class encapsulates the data associated with a key action.
GLabel - Class in the Portable Graphics Library- This class displays a text string.
GLabel(text) str) -
Method in class GLabel- Creates a new
GLabel object initialized to contain the
specified string.
GLabel(text, x, y) -
Method in class GLabel- Creates a new
GLabel object with its baseline origin at the
specified position.
GLine - Class in the Portable Graphics Library- This class displays a line segment.
GLine(x0, y0, x1, y1) -
Method in class GLine- Constructs a line segment from its endpoints.
GMouseEvent - Class in the Portable Graphics Library- This class encapsulates the data associated with a mouse action.
GObject - Class in the Portable Graphics Library- This abstract class is the common superclass of all graphical objects.
GOval - Class in the Portable Graphics Library- This class displays an ellipse.
GOval(width, height) -
Method in class GOval- Constructs a new oval with the specified width and height,
positioned at the origin.
GOval(x, y, width, height) -
Method in class GOval- Constructs a new oval with the specified bounds.
GPoint - Class in the Portable Graphics Library- This class encapsulates a location combining an x and a y
coordinate.
GPoint(x, y) -
Method in class GPoint- Constructs a new
GPoint with the specified coordinates.
GPolygon - Class in the Portable Graphics Library- This class displays a polygon.
GPolygon() -
Method in class GPolygon- Constructs a new empty polygon at the origin.
GRect - Class in the Portable Graphics Library- This class displays a rectangular box.
GRect(x, y) -
Method in class GRect- Constructs a new rectangle with the specified width and height,
positioned at the origin.
GRect(x, y, width, height) -
Method in class GRect- Constructs a new rectangle with the specified bounds.
GRectangle - Class in the Portable Graphics Library- This class encapsulates the location and dimensions of a rectangle.
GRectangle(x, y, width, height) -
Method in class GRectangle- Constructs a new
GRectangle with the specified coordinates
and size.
GState - Class in the Portable Graphics Library- This class enables clients to pass state information to callback
functions.
GState() -
Method in class GState- Constructs a new
GState object with no attributes.
GTimer - Class in the Portable Graphics Library- This class represents a timer event.
GWindow() -
Method in class GWindow- Creates a new
GWindow with a default size.
GWindow(widthGWindow- height)
Creates a new
GWindow with the specified dimensions.
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is_filled() -
Method in class GFillableObject- Returns whether this object is filled.
is_visible() -
Method in class GObject- Checks to see whether this object is visible.
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move(dx, dy) -
Method in class GObject- Moves the object on the screen using the displacements
dx and dy.
move_polar(r, theta) -
Method in class GObject- Moves the object using displacements given in polar coordinates.
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remove(gobj) -
Method in class GCompound- Removes a graphical object from this
GCompound.
remove(gobj) -
Method in class GWindow- Removes a graphical object from the window.
remove_all() -
Method in class GCompound- Removes all graphical objects from this
GCompound.
rotate(theta) -
Method in class GObject- Rotates the object on the screen
theta degrees around
its origin.
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scale(sf) -
Method in class GObject- Scales the object on the screen by the scale factor
sf,
which applies in both dimensions.
send_backward() -
Method in class GObject- Moves this object one step toward the back in the z dimension.
send_forward() -
Method in class GObject- Moves this object one step toward the front in the z dimension.
send_to_back() -
Method in class GObject- Moves this object to the back of the display in the z dimension.
send_to_front() -
Method in class GObject- Moves this object to the front of the display in the z dimension.
set_bounds(bounds) -
Method in class GOval- Changes the bounds of this
GOval to the values from the
specified Rectangle.
set_bounds(x, y, width, height) -
Method in class GImage- Changes the bounds of this
GImage to the specified values.
set_bounds(x, y, width, height) -
Method in class GRect- Changes the bounds of this
GRect to the specified values.
set_color(color) -
Method in class GObject- Sets the color of this object.
set_end_point(x, y) -
Method in class GLine- Sets the end point of the line to the point
(
x, y).
set_fill_color(color) -
Method in class GFillableObject- Sets the color used to display the filled region of this object.
set_filled(fill) -
Method in class GFillableObject- Sets whether this object is filled.
set_font(font) -
Method in class GLabel- Changes the font used to display the
GLabel as
indicated by the string font, which is interpreted in
the style of CSS font specification.
set_frame_rectangle(x, y, width, height) -
Method in class GArc- Changes the arc bounds to the specified values.
set_image(filename) -
Method in class GImage- Resets the image used by this
GImage object to the new image
specified as an argument.
set_interval(fn, delay) -
Method in class GWindow- Creates a new interval timer that calls
fn
every delay milliseconds.
set_label(text) str) -
Method in class GLabel- Changes the string stored within the
GLabel object, so that
a new text string appears on the display.
set_line_width(width) -
Method in class GObject- Sets the width of the lines used to draw the object.
set_location(x, y) -
Method in class GObject- Sets the location of this object to the point
(
x, y).
set_size(width, height) -
Method in class GImage- Changes the size of this
GImage to the specified width and height.
set_size(width, height) -
Method in class GOval- Changes the size of this
GOval to the specified width and height.
set_size(width, height) -
Method in class GRect- Changes the size of this
GRect to the specified width and height.
set_start_angle(theta) -
Method in class GArc- Sets the starting angle for this
GArc object.
set_start_point(x, y) -
Method in class GLine- Sets the initial point in the line to (
x, y),
leaving the end point unchanged.
set_sweep_angle(sweep) -
Method in class GArc- Sets the sweep angle for this
GArc object.
set_timeout(fn, delay) -
Method in class GWindow- Creates a new one-shot timer that calls
fn
after the specified delay, which is measured in milliseconds.
set_visible(flag) -
Method in class GObject- Sets whether this object is visible.
start() -
Method in class GTimer- Starts the timer.
stop() -
Method in class GTimer- Stops the timer.
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