mirror of https://github.com/GNOME/gimp.git
179 lines
4.8 KiB
C
179 lines
4.8 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 __TOOLS_H__
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#define __TOOLS_H__
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#include "layer.h"
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#include "gdisplay.h"
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/* The possible states for tools */
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#define INACTIVE 0
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#define ACTIVE 1
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#define PAUSED 2
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/* Tool control actions */
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#define PAUSE 0
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#define RESUME 1
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#define HALT 2
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#define CURSOR_UPDATE 3
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#define DESTROY 4
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#define RECREATE 5
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/* The possibilities for where the cursor lies */
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#define ACTIVE_LAYER (1 << 0)
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#define SELECTION (1 << 1)
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#define NON_ACTIVE_LAYER (1 << 2)
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/* The types of tools... */
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typedef enum
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{
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FIRST_TOOLBOX_TOOL,
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RECT_SELECT = FIRST_TOOLBOX_TOOL,
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ELLIPSE_SELECT,
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FREE_SELECT,
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FUZZY_SELECT,
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BEZIER_SELECT,
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ISCISSORS,
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MOVE,
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MAGNIFY,
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CROP,
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ROTATE,
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SCALE,
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SHEAR,
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PERSPECTIVE,
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FLIP_HORZ,
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FLIP_VERT,
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TEXT,
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COLOR_PICKER,
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BUCKET_FILL,
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BLEND,
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PENCIL,
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PAINTBRUSH,
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ERASER,
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AIRBRUSH,
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CLONE,
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CONVOLVE,
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INK,
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LAST_TOOLBOX_TOOL = INK,
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/* Non-toolbox tools */
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BY_COLOR_SELECT,
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COLOR_BALANCE,
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BRIGHTNESS_CONTRAST,
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HUE_SATURATION,
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POSTERIZE,
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THRESHOLD,
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CURVES,
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LEVELS,
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HISTOGRAM
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} ToolType;
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/* Structure definitions */
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typedef struct _tool Tool;
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typedef struct _ToolInfo ToolInfo;
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typedef void (* ButtonPressFunc) (Tool *, GdkEventButton *, gpointer);
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typedef void (* ButtonReleaseFunc) (Tool *, GdkEventButton *, gpointer);
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typedef void (* MotionFunc) (Tool *, GdkEventMotion *, gpointer);
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typedef void (* ArrowKeysFunc) (Tool *, GdkEventKey *, gpointer);
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typedef void (* CursorUpdateFunc) (Tool *, GdkEventMotion *, gpointer);
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typedef void (* ToolCtlFunc) (Tool *, int, gpointer);
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/* ToolInfo function declarations */
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typedef Tool *(* ToolInfoNewFunc) (void);
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typedef void (* ToolInfoFreeFunc) (Tool *);
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typedef void (* ToolInfoInitFunc) (GDisplay *);
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struct _tool
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{
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/* Data */
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ToolType type; /* Tool type */
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int state; /* state of tool activity */
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int paused_count; /* paused control count */
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int scroll_lock; /* allow scrolling or not */
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int auto_snap_to; /* should the mouse snap to guides automatically */
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void * private; /* Tool-specific information */
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void * gdisp_ptr; /* pointer to currently active gdisp */
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void * drawable; /* pointer to the drawable that was
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active when the tool was created */
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int ID; /* unique tool ID */
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int preserve; /* Perserve this tool through the current image changes */
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/* Action functions */
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ButtonPressFunc button_press_func;
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ButtonReleaseFunc button_release_func;
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MotionFunc motion_func;
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ArrowKeysFunc arrow_keys_func;
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CursorUpdateFunc cursor_update_func;
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ToolCtlFunc control_func;
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};
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struct _ToolInfo
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{
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GtkWidget *tool_options;
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char *tool_name;
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int toolbar_position;
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char *menu_path;
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char *menu_accel;
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char **icon_data;
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char *tool_desc;
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char *private_tip;
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gint tool_id;
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ToolInfoNewFunc new_func;
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ToolInfoFreeFunc free_func;
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ToolInfoInitFunc init_func;
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GtkWidget *tool_widget;
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};
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/* Global Data Structure */
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extern Tool * active_tool;
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extern ToolType active_tool_type;
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extern Layer * active_tool_layer;
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extern ToolInfo tool_info[];
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/* Function declarations */
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void tools_select (ToolType);
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void tools_initialize (ToolType, GDisplay *);
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void tools_options_dialog_new (void);
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void tools_options_dialog_show (void);
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void tools_options_dialog_free (void);
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void tools_register_options (ToolType, GtkWidget *);
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void * tools_register_no_options (ToolType, char *);
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void active_tool_control (int, void *);
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/* Standard member functions */
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void standard_arrow_keys_func (Tool *, GdkEventKey *, gpointer);
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#endif /* __TOOLS_H__ */
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