TomoeCanvas

TomoeCanvas — A canvas widget for viewing and drawing strokes of hand-writing.

Synopsis




                    TomoeCanvas;
GtkWidget*          tomoe_canvas_new                    (void);
void                tomoe_canvas_set_context            (TomoeCanvas *canvas,
                                                         TomoeContext *context);
void                tomoe_canvas_set_writing            (TomoeCanvas *canvas,
                                                         TomoeWriting *writing);
TomoeWriting*       tomoe_canvas_get_writing            (TomoeCanvas *canvas);
void                tomoe_canvas_set_locked             (TomoeCanvas *canvas,
                                                         gboolean lock);
gboolean            tomoe_canvas_is_locked              (TomoeCanvas *canvas);
void                tomoe_canvas_set_auto_find_time     (TomoeCanvas *canvas,
                                                         gint time_msec);
gint                tomoe_canvas_get_auto_find_time     (TomoeCanvas *canvas);
void                tomoe_canvas_set_handwriting_line_color
                                                        (TomoeCanvas *canvas,
                                                         GdkColor *color);
void                tomoe_canvas_set_adjusted_line_color
                                                        (TomoeCanvas *canvas,
                                                         GdkColor *color);
void                tomoe_canvas_set_annotation_color   (TomoeCanvas *canvas,
                                                         GdkColor *color);
void                tomoe_canvas_set_axis_color         (TomoeCanvas *canvas,
                                                         GdkColor *color);
void                tomoe_canvas_find                   (TomoeCanvas *canvas);
guint               tomoe_canvas_get_n_candidates       (TomoeCanvas *canvas);
TomoeChar*          tomoe_canvas_get_nth_candidate      (TomoeCanvas *canvas,
                                                         guint nth);
const GList*        tomoe_canvas_get_candidates         (TomoeCanvas *canvas);
void                tomoe_canvas_revert_stroke          (TomoeCanvas *canvas);
void                tomoe_canvas_clear                  (TomoeCanvas *canvas);
void                tomoe_canvas_normalize              (TomoeCanvas *canvas);
gboolean            tomoe_canvas_has_stroke             (TomoeCanvas *canvas);

Object Hierarchy


  GObject
   +----GInitiallyUnowned
         +----GtkObject
               +----GtkWidget
                     +----TomoeCanvas

Implemented Interfaces

TomoeCanvas implements AtkImplementorIface.

Properties


  "adjusted-line-color"      GdkColor              : Write
  "annotation-color"         GdkColor              : Write
  "auto-find-time"           gint                  : Read / Write
  "axis-color"               GdkColor              : Write
  "handwriting-line-color"   GdkColor              : Write
  "locked"                   gboolean              : Read / Write
  "tomoe-context"            TomoeContext          : Write
  "writing"                  TomoeWriting          : Read / Write

Signals


  "clear"                                          : Run Last
  "find"                                           : Run Last
  "normalize"                                      : Run Last
  "stroke-added"                                   : Run Last
  "stroke-reverted"                                : Run Last

Description

Details

TomoeCanvas

typedef struct _TomoeCanvas TomoeCanvas;

The TomoeCanvas struct contains only private fields and should not be directly accessed.

tomoe_canvas_new ()

GtkWidget*          tomoe_canvas_new                    (void);

Returns :

tomoe_canvas_set_context ()

void                tomoe_canvas_set_context            (TomoeCanvas *canvas,
                                                         TomoeContext *context);

canvas :
context :

tomoe_canvas_set_writing ()

void                tomoe_canvas_set_writing            (TomoeCanvas *canvas,
                                                         TomoeWriting *writing);

canvas :
writing :

tomoe_canvas_get_writing ()

TomoeWriting*       tomoe_canvas_get_writing            (TomoeCanvas *canvas);

canvas :
Returns :

tomoe_canvas_set_locked ()

void                tomoe_canvas_set_locked             (TomoeCanvas *canvas,
                                                         gboolean lock);

canvas :
lock :

tomoe_canvas_is_locked ()

gboolean            tomoe_canvas_is_locked              (TomoeCanvas *canvas);

canvas :
Returns :

tomoe_canvas_set_auto_find_time ()

void                tomoe_canvas_set_auto_find_time     (TomoeCanvas *canvas,
                                                         gint time_msec);

canvas :
time_msec :

tomoe_canvas_get_auto_find_time ()

gint                tomoe_canvas_get_auto_find_time     (TomoeCanvas *canvas);

canvas :
Returns :

tomoe_canvas_set_handwriting_line_color ()

void                tomoe_canvas_set_handwriting_line_color
                                                        (TomoeCanvas *canvas,
                                                         GdkColor *color);

canvas :
color :

tomoe_canvas_set_adjusted_line_color ()

void                tomoe_canvas_set_adjusted_line_color
                                                        (TomoeCanvas *canvas,
                                                         GdkColor *color);

canvas :
color :

tomoe_canvas_set_annotation_color ()

void                tomoe_canvas_set_annotation_color   (TomoeCanvas *canvas,
                                                         GdkColor *color);

canvas :
color :

tomoe_canvas_set_axis_color ()

void                tomoe_canvas_set_axis_color         (TomoeCanvas *canvas,
                                                         GdkColor *color);

canvas :
color :

tomoe_canvas_find ()

void                tomoe_canvas_find                   (TomoeCanvas *canvas);

canvas :

tomoe_canvas_get_n_candidates ()

guint               tomoe_canvas_get_n_candidates       (TomoeCanvas *canvas);

canvas :
Returns :

tomoe_canvas_get_nth_candidate ()

TomoeChar*          tomoe_canvas_get_nth_candidate      (TomoeCanvas *canvas,
                                                         guint nth);

canvas :
nth :
Returns :

tomoe_canvas_get_candidates ()

const GList*        tomoe_canvas_get_candidates         (TomoeCanvas *canvas);

canvas :
Returns :

tomoe_canvas_revert_stroke ()

void                tomoe_canvas_revert_stroke          (TomoeCanvas *canvas);

canvas :

tomoe_canvas_clear ()

void                tomoe_canvas_clear                  (TomoeCanvas *canvas);

canvas :

tomoe_canvas_normalize ()

void                tomoe_canvas_normalize              (TomoeCanvas *canvas);

canvas :

tomoe_canvas_has_stroke ()

gboolean            tomoe_canvas_has_stroke             (TomoeCanvas *canvas);

canvas :
Returns :

Property Details

The "adjusted-line-color" property

  "adjusted-line-color"      GdkColor              : Write

The color of adjusted handwriting lines.

The "annotation-color" property

  "annotation-color"         GdkColor              : Write

The color of annotation strings.

The "auto-find-time" property

  "auto-find-time"           gint                  : Read / Write

Delay time from releasing mouse button to starting auto finding. Set 0 to find immediatly. Set -1 to disable auto finding.

Allowed values: >= -1

Default value: 0

The "axis-color" property

  "axis-color"               GdkColor              : Write

The color of axis lines.

The "handwriting-line-color" property

  "handwriting-line-color"   GdkColor              : Write

The color of handwriting lines.

The "locked" property

  "locked"                   gboolean              : Read / Write

Whether the canvas is locked drawing or not.

Default value: FALSE

The "tomoe-context" property

  "tomoe-context"            TomoeContext          : Write

A TomoeContext which stores handwriting dictionaries. TomoeCanvas doesn't always require TomoeContext. For example it isn't needed on viewer mode.

The "writing" property

  "writing"                  TomoeWriting          : Read / Write

Strokes of a character to show on this canvas.

Signal Details

The "clear" signal

void                user_function                      (TomoeCanvas *tomoecanvas,
                                                        gpointer     user_data)        : Run Last

tomoecanvas : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "find" signal

void                user_function                      (TomoeCanvas *tomoecanvas,
                                                        gpointer     user_data)        : Run Last

tomoecanvas : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "normalize" signal

void                user_function                      (TomoeCanvas *tomoecanvas,
                                                        gpointer     user_data)        : Run Last

tomoecanvas : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "stroke-added" signal

void                user_function                      (TomoeCanvas *tomoecanvas,
                                                        gpointer     user_data)        : Run Last

tomoecanvas : the object which received the signal.
user_data : user data set when the signal handler was connected.

The "stroke-reverted" signal

void                user_function                      (TomoeCanvas *tomoecanvas,
                                                        gpointer     user_data)        : Run Last

tomoecanvas : the object which received the signal.
user_data : user data set when the signal handler was connected.