mirror of https://github.com/GNOME/gimp.git
169 lines
6.6 KiB
C
169 lines
6.6 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifndef __GIMP_BEZIER_SELECT_TOOL_H__
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#define __GIMP_BEZIER_SELECT_TOOL_H__
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#include "gimpselectiontool.h"
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#define GIMP_TYPE_BEZIER_SELECT_TOOL (gimp_bezier_select_tool_get_type ())
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#define GIMP_BEZIER_SELECT_TOOL(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_BEZIER_SELECT_TOOL, GimpBezierSelectTool))
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#define GIMP_IS_BEZIER_SELECT_TOOL(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_BEZIER_SELECT_TOOL))
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#define GIMP_BEZIER_SELECT_TOOL_CLASS(klass) (GTK_CHECK_CLASS_CAST ((klass), GIMP_TYPE_BEZIER_SELECT_TOOL, GimpBezierSelectToolClass))
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#define GIMP_IS_BEZIER_SELECT_TOOL_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_BEZIER_SELECT_TOOL))
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#define BEZIER_START 1
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#define BEZIER_ADD 2
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#define BEZIER_EDIT 4
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#define BEZIER_DRAG 8
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#define BEZIER_ANCHOR 1
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#define BEZIER_CONTROL 2
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#define BEZIER_MOVE 3
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#define IMAGE_COORDS 1
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#define AA_IMAGE_COORDS 2
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#define SCREEN_COORDS 3
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#define SUBDIVIDE 1000
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enum { EXTEND_EDIT, EXTEND_ADD, EXTEND_REMOVE, EXTEND_NEW };
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/* typedef struct _GimpBezierSelectTool GimpBezierSelectTool;
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* typedef struct _GimpBezierSelectPoint GimpBezierSelectPoint; */
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typedef struct _GimpBezierSelectToolClass GimpBezierSelectToolClass;
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struct _GimpBezierSelectPoint
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{
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gint type; /* type of point (anchor/control/move) */
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gdouble x, y; /* location of point in image space */
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gint sx, sy; /* location of point in screen space */
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GimpBezierSelectPoint *next; /* next point on curve */
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GimpBezierSelectPoint *prev; /* prev point on curve */
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GimpBezierSelectPoint *next_curve; /* Next curve segment */
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gint pointflags; /* Status of point 0 = not selected
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* 1 = selected
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*/
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};
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struct _GimpBezierSelectTool
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{
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GimpSelectionTool parent_instance;
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gint state; /* start, add, edit or drag */
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gint draw_mode; /* all or part */
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gint closed; /* is the last curve closed */
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GimpBezierSelectPoint *points; /* the curve */
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GimpBezierSelectPoint *cur_anchor; /* the current active anchor point */
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GimpBezierSelectPoint *cur_control; /* the current active control point */
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GimpBezierSelectPoint *last_point; /* the last point on the curve */
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gint num_points; /* number of points in the curve */
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GimpChannel *mask; /* null if the curve is open */
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GSList **scanlines; /* used in converting a curve */
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};
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struct _GimpBezierSelectToolClass
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{
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GimpSelectionToolClass parent_class;
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void (* bezier_select) (GimpBezierSelectTool *rect_tool,
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gint x,
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gint y,
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gint w,
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gint h);
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};
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typedef void (* GimpBezierSelectPointsFunc) (GimpBezierSelectTool *bezier_sel,
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GdkPoint *points,
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gint n_points,
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gpointer data);
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typedef struct
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{
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gint count;
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} CountCurves;
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/* Public functions */
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void gimp_bezier_select_tool_register (Gimp *gimp);
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GtkType gimp_bezier_select_tool_get_type (void);
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gboolean bezier_tool_selected (void);
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void gimp_bezier_select_tool_bezier_select (GimpBezierSelectTool *rect_tool,
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gint x,
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gint y,
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gint w,
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gint h);
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void bezier_select (GimpImage *gimage,
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gint x,
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gint y,
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gint w,
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gint h,
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SelectOps op,
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gboolean feather,
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gdouble feather_radius);
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gint bezier_select_load (GDisplay *gdisp,
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GimpBezierSelectPoint *points,
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gint n_points,
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gint closed);
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void bezier_draw_curve (GimpBezierSelectTool *bezier_sel,
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GimpBezierSelectPointsFunc func,
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gint coord,
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gpointer data);
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void bezier_select_reset (GimpBezierSelectTool *bezier_sel);
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void bezier_select_free (GimpBezierSelectTool *bezier_sel);
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void bezier_add_point (GimpBezierSelectTool *bezier_sel,
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gint type,
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gdouble x,
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gdouble y);
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void bezier_paste_bezierselect_to_current (GDisplay *gdisp,
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GimpBezierSelectTool *bezier_sel);
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void bezier_select_mode (gint);
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void bezier_stroke (GimpBezierSelectTool *bezier_sel,
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GDisplay *gdisp,
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gint subdivisions,
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gint open_path);
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void bezier_to_selection (GimpBezierSelectTool *bezier_sel,
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GDisplay *gdisp);
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gint bezier_distance_along (GimpBezierSelectTool *bezier_sel,
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gint open_path,
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gdouble dist,
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gint *x,
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gint *y,
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gdouble *gradient);
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void bezier_draw (GDisplay *gdisp,
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GimpBezierSelectTool *bezier_sel);
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#endif /* __GIMP_BEZIER_SELECT_TOOL_H__ */
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