GnomeCanvasLine

GnomeCanvasLine — Line canvas item

Synopsis

#include <libgnomecanvas/libgnomecanvas.h>

struct              GnomeCanvasLine;

Object Hierarchy

  GObject
   +----GInitiallyUnowned
         +----GtkObject
               +----GnomeCanvasItem
                     +----GnomeCanvasLine

Properties

  "arrow-shape-a"            gdouble               : Read / Write
  "arrow-shape-b"            gdouble               : Read / Write
  "arrow-shape-c"            gdouble               : Read / Write
  "cap-style"                GdkCapStyle           : Read / Write
  "fill-color"               gchar*                : Read / Write
  "fill-color-gdk"           GdkColor*             : Read / Write
  "fill-color-rgba"          guint                 : Read / Write
  "fill-stipple"             GdkDrawable*          : Read / Write
  "first-arrowhead"          gboolean              : Read / Write
  "join-style"               GdkJoinStyle          : Read / Write
  "last-arrowhead"           gboolean              : Read / Write
  "line-style"               GdkLineStyle          : Read / Write
  "points"                   GnomeCanvasPoints*    : Read / Write
  "smooth"                   gboolean              : Read / Write
  "spline-steps"             guint                 : Read / Write
  "width-pixels"             guint                 : Read / Write
  "width-units"              gdouble               : Read / Write

Description

A canvas item for drawing lines. This canvas item uses a GnomeCanvasPoints structure so one or multiple joined lined segments can be drawn with a single GnomeCanvasLine item.

Details

struct GnomeCanvasLine

struct GnomeCanvasLine;

This structure should not be accessed directly. Use the object's properties for querying or changing its parameters.

Property Details

The "arrow-shape-a" property

  "arrow-shape-a"            gdouble               : Read / Write

Distance from tip of arrowhead to center.

Default value: 0


The "arrow-shape-b" property

  "arrow-shape-b"            gdouble               : Read / Write

Distance from tip of arrowhead to trailing point, measured along shaft.

Default value: 0


The "arrow-shape-c" property

  "arrow-shape-c"            gdouble               : Read / Write

Distance of arrowhead trailing points from outside edge of shaft.

Default value: 0


The "cap-style" property

  "cap-style"                GdkCapStyle           : Read / Write

Determines how the ends of lines are drawn (the line cap style).

Default value: GDK_CAP_BUTT


The "fill-color" property

  "fill-color"               gchar*                : Read / Write

X color specification for line.

Default value: NULL


The "fill-color-gdk" property

  "fill-color-gdk"           GdkColor*             : Read / Write

Pointer to an allocated GdkColor to draw the line with.


The "fill-color-rgba" property

  "fill-color-rgba"          guint                 : Read / Write

Line color with an alpha component (in the format 0xRRGGBBAA).

Default value: 0


The "fill-stipple" property

  "fill-stipple"             GdkDrawable*          : Read / Write

Stipple pattern for the line.


The "first-arrowhead" property

  "first-arrowhead"          gboolean              : Read / Write

Specifies whether to draw an arrowhead on the first point of the line.

Default value: FALSE


The "join-style" property

  "join-style"               GdkJoinStyle          : Read / Write

Vertex join style for line segments (GDK_JOIN_MITER to join by extending each line to meet at an angle, GDK_JOIN_ROUND to join by a circular arc, and GDK_JOIN_BEVEL to join by a straight line which makes an equal angle with each line).

Default value: GDK_JOIN_MITER


The "last-arrowhead" property

  "last-arrowhead"           gboolean              : Read / Write

Specifies whether to draw an arrowhead on the last point of the line.

Default value: FALSE


The "line-style" property

  "line-style"               GdkLineStyle          : Read / Write

Line dash style.

Default value: GDK_LINE_SOLID


The "points" property

  "points"                   GnomeCanvasPoints*    : Read / Write

Pointer to a GnomeCanvasPoints structure. This can be created by a call to gnome_canvas_points_new().


The "smooth" property

  "smooth"                   gboolean              : Read / Write

Specifies whether to smooth the line using parabolic splines.

Default value: FALSE


The "spline-steps" property

  "spline-steps"             guint                 : Read / Write

Specifies the number of steps to use when rendering curves.

Default value: 12


The "width-pixels" property

  "width-pixels"             guint                 : Read / Write

Width of the line in pixels. The line width will not be scaled when the canvas zoom factor changes.

Default value: 0


The "width-units" property

  "width-units"              gdouble               : Read / Write

Width of the line in canvas units. The line width will be scaled when the canvas zoom factor changes.

Allowed values: >= 0

Default value: 0