373 lines
16 KiB
C
373 lines
16 KiB
C
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/* PIKA - Photo and Image Kooker Application
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* a rebranding of The GNU Image Manipulation Program (created with heckimp)
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* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
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*
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* Original copyright, applying to most contents (license remains unchanged):
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* pikacontext.h
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* Copyright (C) 1999-2010 Michael Natterer
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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 3 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, see <https://www.gnu.org/licenses/>.
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*/
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#ifndef __PIKA_CONTEXT_H__
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#define __PIKA_CONTEXT_H__
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#include "pikaviewable.h"
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#define PIKA_TYPE_CONTEXT (pika_context_get_type ())
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#define PIKA_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), PIKA_TYPE_CONTEXT, PikaContext))
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#define PIKA_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST (klass, PIKA_TYPE_CONTEXT, PikaContextClass))
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#define PIKA_IS_CONTEXT(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PIKA_TYPE_CONTEXT))
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#define PIKA_IS_CONTEXT_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), PIKA_TYPE_CONTEXT))
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#define PIKA_CONTEXT_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS (obj, PIKA_TYPE_CONTEXT, PikaContextClass))
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typedef struct _PikaContextClass PikaContextClass;
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/**
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* PikaContext:
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*
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* Holds state such as the active image, active display, active brush,
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* active foreground and background color, and so on. There can many
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* instances of contexts. The user context is what the user sees and
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* interacts with but there can also be contexts for docks and for
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* plug-ins.
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*/
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struct _PikaContext
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{
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PikaViewable parent_instance;
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Pika *pika;
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PikaContext *parent;
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guint32 defined_props;
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guint32 serialize_props;
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PikaImage *image;
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PikaDisplay *display;
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PikaToolInfo *tool_info;
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gchar *tool_name;
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PikaPaintInfo *paint_info;
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gchar *paint_name;
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PikaRGB foreground;
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PikaRGB background;
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gdouble opacity;
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PikaLayerMode paint_mode;
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PikaBrush *brush;
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gchar *brush_name;
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PikaDynamics *dynamics;
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gchar *dynamics_name;
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PikaMybrush *mybrush;
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gchar *mybrush_name;
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PikaPattern *pattern;
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gchar *pattern_name;
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PikaGradient *gradient;
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gchar *gradient_name;
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PikaPalette *palette;
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gchar *palette_name;
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PikaFont *font;
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gchar *font_name;
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PikaToolPreset *tool_preset;
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gchar *tool_preset_name;
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PikaBuffer *buffer;
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gchar *buffer_name;
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PikaImagefile *imagefile;
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gchar *imagefile_name;
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PikaTemplate *template;
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gchar *template_name;
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PikaLineArt *line_art;
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guint line_art_timeout_id;
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};
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struct _PikaContextClass
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{
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PikaViewableClass parent_class;
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void (* image_changed) (PikaContext *context,
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PikaImage *image);
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void (* display_changed) (PikaContext *context,
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PikaDisplay *display);
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void (* tool_changed) (PikaContext *context,
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PikaToolInfo *tool_info);
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void (* paint_info_changed) (PikaContext *context,
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PikaPaintInfo *paint_info);
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void (* foreground_changed) (PikaContext *context,
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PikaRGB *color);
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void (* background_changed) (PikaContext *context,
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PikaRGB *color);
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void (* opacity_changed) (PikaContext *context,
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gdouble opacity);
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void (* paint_mode_changed) (PikaContext *context,
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PikaLayerMode paint_mode);
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void (* brush_changed) (PikaContext *context,
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PikaBrush *brush);
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void (* dynamics_changed) (PikaContext *context,
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PikaDynamics *dynamics);
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void (* mybrush_changed) (PikaContext *context,
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PikaMybrush *brush);
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void (* pattern_changed) (PikaContext *context,
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PikaPattern *pattern);
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void (* gradient_changed) (PikaContext *context,
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PikaGradient *gradient);
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void (* palette_changed) (PikaContext *context,
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PikaPalette *palette);
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void (* font_changed) (PikaContext *context,
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PikaFont *font);
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void (* tool_preset_changed)(PikaContext *context,
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PikaToolPreset *tool_preset);
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void (* buffer_changed) (PikaContext *context,
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PikaBuffer *buffer);
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void (* imagefile_changed) (PikaContext *context,
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PikaImagefile *imagefile);
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void (* template_changed) (PikaContext *context,
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PikaTemplate *template);
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void (* prop_name_changed) (PikaContext *context,
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PikaContextPropType prop);
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};
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GType pika_context_get_type (void) G_GNUC_CONST;
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PikaContext * pika_context_new (Pika *pika,
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const gchar *name,
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PikaContext *template);
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PikaContext * pika_context_get_parent (PikaContext *context);
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void pika_context_set_parent (PikaContext *context,
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PikaContext *parent);
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/* define / undefinine context properties
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*
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* the value of an undefined property will be taken from the parent context.
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*/
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void pika_context_define_property (PikaContext *context,
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PikaContextPropType prop,
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gboolean defined);
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gboolean pika_context_property_defined (PikaContext *context,
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PikaContextPropType prop);
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void pika_context_define_properties (PikaContext *context,
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PikaContextPropMask props_mask,
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gboolean defined);
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/* specify which context properties will be serialized
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*/
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void pika_context_set_serialize_properties (PikaContext *context,
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PikaContextPropMask props_mask);
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PikaContextPropMask
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pika_context_get_serialize_properties (PikaContext *context);
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/* copying context properties
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*/
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void pika_context_copy_property (PikaContext *src,
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PikaContext *dest,
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PikaContextPropType prop);
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void pika_context_copy_properties (PikaContext *src,
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PikaContext *dest,
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PikaContextPropMask props_mask);
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/* manipulate by GType */
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PikaContextPropType pika_context_type_to_property (GType type);
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const gchar * pika_context_type_to_prop_name (GType type);
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const gchar * pika_context_type_to_signal_name (GType type);
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PikaObject * pika_context_get_by_type (PikaContext *context,
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GType type);
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void pika_context_set_by_type (PikaContext *context,
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GType type,
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PikaObject *object);
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void pika_context_changed_by_type (PikaContext *context,
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GType type);
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/* image */
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PikaImage * pika_context_get_image (PikaContext *context);
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void pika_context_set_image (PikaContext *context,
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PikaImage *image);
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void pika_context_image_changed (PikaContext *context);
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/* display */
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PikaDisplay * pika_context_get_display (PikaContext *context);
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void pika_context_set_display (PikaContext *context,
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PikaDisplay *display);
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void pika_context_display_changed (PikaContext *context);
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/* tool */
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PikaToolInfo * pika_context_get_tool (PikaContext *context);
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void pika_context_set_tool (PikaContext *context,
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PikaToolInfo *tool_info);
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void pika_context_tool_changed (PikaContext *context);
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/* paint info */
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PikaPaintInfo * pika_context_get_paint_info (PikaContext *context);
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void pika_context_set_paint_info (PikaContext *context,
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PikaPaintInfo *paint_info);
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void pika_context_paint_info_changed (PikaContext *context);
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/* foreground color */
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void pika_context_get_foreground (PikaContext *context,
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PikaRGB *color);
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void pika_context_set_foreground (PikaContext *context,
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const PikaRGB *color);
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void pika_context_foreground_changed (PikaContext *context);
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/* background color */
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void pika_context_get_background (PikaContext *context,
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PikaRGB *color);
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void pika_context_set_background (PikaContext *context,
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const PikaRGB *color);
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void pika_context_background_changed (PikaContext *context);
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/* color utility functions */
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void pika_context_set_default_colors (PikaContext *context);
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void pika_context_swap_colors (PikaContext *context);
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/* opacity */
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gdouble pika_context_get_opacity (PikaContext *context);
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void pika_context_set_opacity (PikaContext *context,
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gdouble opacity);
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void pika_context_opacity_changed (PikaContext *context);
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/* paint mode */
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PikaLayerMode pika_context_get_paint_mode (PikaContext *context);
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void pika_context_set_paint_mode (PikaContext *context,
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PikaLayerMode paint_mode);
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void pika_context_paint_mode_changed (PikaContext *context);
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/* brush */
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PikaBrush * pika_context_get_brush (PikaContext *context);
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void pika_context_set_brush (PikaContext *context,
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PikaBrush *brush);
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void pika_context_brush_changed (PikaContext *context);
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/* dynamics */
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PikaDynamics * pika_context_get_dynamics (PikaContext *context);
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void pika_context_set_dynamics (PikaContext *context,
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PikaDynamics *dynamics);
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void pika_context_dynamics_changed (PikaContext *context);
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/* mybrush */
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PikaMybrush * pika_context_get_mybrush (PikaContext *context);
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void pika_context_set_mybrush (PikaContext *context,
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PikaMybrush *brush);
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void pika_context_mybrush_changed (PikaContext *context);
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/* pattern */
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PikaPattern * pika_context_get_pattern (PikaContext *context);
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void pika_context_set_pattern (PikaContext *context,
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PikaPattern *pattern);
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void pika_context_pattern_changed (PikaContext *context);
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/* gradient */
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PikaGradient * pika_context_get_gradient (PikaContext *context);
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void pika_context_set_gradient (PikaContext *context,
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PikaGradient *gradient);
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void pika_context_gradient_changed (PikaContext *context);
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/* palette */
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PikaPalette * pika_context_get_palette (PikaContext *context);
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void pika_context_set_palette (PikaContext *context,
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PikaPalette *palette);
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void pika_context_palette_changed (PikaContext *context);
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/* font */
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PikaFont * pika_context_get_font (PikaContext *context);
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void pika_context_set_font (PikaContext *context,
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PikaFont *font);
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const gchar * pika_context_get_font_name (PikaContext *context);
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void pika_context_set_font_name (PikaContext *context,
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const gchar *name);
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void pika_context_font_changed (PikaContext *context);
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/* tool_preset */
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PikaToolPreset * pika_context_get_tool_preset (PikaContext *context);
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void pika_context_set_tool_preset (PikaContext *context,
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PikaToolPreset *tool_preset);
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void pika_context_tool_preset_changed (PikaContext *context);
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/* buffer */
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PikaBuffer * pika_context_get_buffer (PikaContext *context);
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void pika_context_set_buffer (PikaContext *context,
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PikaBuffer *palette);
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void pika_context_buffer_changed (PikaContext *context);
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/* imagefile */
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PikaImagefile * pika_context_get_imagefile (PikaContext *context);
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void pika_context_set_imagefile (PikaContext *context,
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PikaImagefile *imagefile);
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void pika_context_imagefile_changed (PikaContext *context);
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/* template */
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PikaTemplate * pika_context_get_template (PikaContext *context);
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void pika_context_set_template (PikaContext *context,
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PikaTemplate *template);
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void pika_context_template_changed (PikaContext *context);
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/* line art */
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PikaLineArt * pika_context_take_line_art (PikaContext *context);
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void pika_context_store_line_art (PikaContext *context,
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PikaLineArt *line_art);
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#endif /* __PIKA_CONTEXT_H__ */
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