1 /* GIMP - The GNU Image Manipulation Program 2 * Copyright (C) 1995 Spencer Kimball and Peter Mattis 3 * 4 * This program is free software: you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License as published by 6 * the Free Software Foundation; either version 3 of the License, or 7 * (at your option) any later version. 8 * 9 * This program is distributed in the hope that it will be useful, 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 * GNU General Public License for more details. 13 * 14 * You should have received a copy of the GNU General Public License 15 * along with this program. If not, see <https://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __GIMP_ISCISSORS_TOOL_H__ 19 #define __GIMP_ISCISSORS_TOOL_H__ 20 21 22 #include "gimpselectiontool.h" 23 24 25 /* The possible states... */ 26 typedef enum 27 { 28 NO_ACTION, 29 SEED_PLACEMENT, 30 SEED_ADJUSTMENT, 31 WAITING 32 } IscissorsState; 33 34 /* For oper_update & cursor_update */ 35 typedef enum 36 { 37 ISCISSORS_OP_NONE, 38 ISCISSORS_OP_SELECT, 39 ISCISSORS_OP_MOVE_POINT, 40 ISCISSORS_OP_ADD_POINT, 41 ISCISSORS_OP_REMOVE_POINT, 42 ISCISSORS_OP_CONNECT, 43 ISCISSORS_OP_IMPOSSIBLE 44 } IscissorsOps; 45 46 typedef struct _ISegment ISegment; 47 typedef struct _ICurve ICurve; 48 49 50 #define GIMP_TYPE_ISCISSORS_TOOL (gimp_iscissors_tool_get_type ()) 51 #define GIMP_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsTool)) 52 #define GIMP_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsToolClass)) 53 #define GIMP_IS_ISCISSORS_TOOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GIMP_TYPE_ISCISSORS_TOOL)) 54 #define GIMP_IS_ISCISSORS_TOOL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_ISCISSORS_TOOL)) 55 #define GIMP_ISCISSORS_TOOL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GIMP_TYPE_ISCISSORS_TOOL, GimpIscissorsToolClass)) 56 57 #define GIMP_ISCISSORS_TOOL_GET_OPTIONS(t) (GIMP_ISCISSORS_OPTIONS (gimp_tool_get_options (GIMP_TOOL (t)))) 58 59 60 typedef struct _GimpIscissorsTool GimpIscissorsTool; 61 typedef struct _GimpIscissorsToolClass GimpIscissorsToolClass; 62 63 struct _GimpIscissorsTool 64 { 65 GimpSelectionTool parent_instance; 66 67 IscissorsOps op; 68 69 gint x, y; /* mouse coordinates */ 70 71 ISegment *segment1; /* 1st segment connected to current point */ 72 ISegment *segment2; /* 2nd segment connected to current point */ 73 74 ICurve *curve; /* the curve */ 75 76 GList *undo_stack; /* stack of ICurves for undo */ 77 GList *redo_stack; /* stack of ICurves for redo */ 78 79 IscissorsState state; /* state of iscissors */ 80 81 GeglBuffer *gradient_map; /* lazily filled gradient map */ 82 GimpChannel *mask; /* selection mask */ 83 }; 84 85 struct _GimpIscissorsToolClass 86 { 87 GimpSelectionToolClass parent_class; 88 }; 89 90 91 void gimp_iscissors_tool_register (GimpToolRegisterCallback callback, 92 gpointer data); 93 94 GType gimp_iscissors_tool_get_type (void) G_GNUC_CONST; 95 96 97 #endif /* __GIMP_ISCISSORS_TOOL_H__ */ 98