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- /* The GIMP -- an image manipulation program
- * Copyright (C) 1995 Spencer Kimball and Peter Mattis
- *
- * gimpcontext.h: Copyright (C) 1999 Michael Natterer <mitch@gimp.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- */
-
- #ifndef __GIMP_CONTEXT_H__
- #define __GIMP_CONTEXT_H__
-
-
- #include "apptypes.h"
- #include "gdisplay.h"
- #include "gradient.h"
- #include "patterns.h"
- #include "toolsF.h"
-
-
- #define GIMP_TYPE_CONTEXT (gimp_context_get_type ())
- #define GIMP_CONTEXT(obj) (GTK_CHECK_CAST ((obj), GIMP_TYPE_CONTEXT, GimpContext))
- #define GIMP_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_CAST (klass, GIMP_TYPE_CONTEXT, GimpContextClass))
- #define GIMP_IS_CONTEXT(obj) (GTK_CHECK_TYPE ((obj), GIMP_TYPE_CONTEXT))
- #define GIMP_IS_CONTEXT_CLASS(klass) (GTK_CHECK_CLASS_TYPE ((klass), GIMP_TYPE_CONTEXT))
-
- typedef enum
- {
- GIMP_CONTEXT_ARG_IMAGE,
- GIMP_CONTEXT_ARG_DISPLAY,
- GIMP_CONTEXT_ARG_TOOL,
- GIMP_CONTEXT_ARG_FOREGROUND,
- GIMP_CONTEXT_ARG_BACKGROUND,
- GIMP_CONTEXT_ARG_OPACITY,
- GIMP_CONTEXT_ARG_PAINT_MODE,
- GIMP_CONTEXT_ARG_BRUSH,
- GIMP_CONTEXT_ARG_PATTERN,
- GIMP_CONTEXT_ARG_GRADIENT,
- GIMP_CONTEXT_NUM_ARGS
- } GimpContextArgType;
-
- typedef enum
- {
- GIMP_CONTEXT_IMAGE_MASK = 1 << 0,
- GIMP_CONTEXT_DISPLAY_MASK = 1 << 1,
- GIMP_CONTEXT_TOOL_MASK = 1 << 2,
- GIMP_CONTEXT_FOREGROUND_MASK = 1 << 3,
- GIMP_CONTEXT_BACKGROUND_MASK = 1 << 4,
- GIMP_CONTEXT_OPACITY_MASK = 1 << 5,
- GIMP_CONTEXT_PAINT_MODE_MASK = 1 << 6,
- GIMP_CONTEXT_BRUSH_MASK = 1 << 7,
- GIMP_CONTEXT_PATTERN_MASK = 1 << 8,
- GIMP_CONTEXT_GRADIENT_MASK = 1 << 9,
-
- /* aliases */
- GIMP_CONTEXT_PAINT_ARGS_MASK = GIMP_CONTEXT_FOREGROUND_MASK |
- GIMP_CONTEXT_BACKGROUND_MASK |
- GIMP_CONTEXT_OPACITY_MASK |
- GIMP_CONTEXT_PAINT_MODE_MASK |
- GIMP_CONTEXT_BRUSH_MASK |
- GIMP_CONTEXT_PATTERN_MASK |
- GIMP_CONTEXT_GRADIENT_MASK,
- GIMP_CONTEXT_ALL_ARGS_MASK = GIMP_CONTEXT_IMAGE_MASK |
- GIMP_CONTEXT_DISPLAY_MASK |
- GIMP_CONTEXT_TOOL_MASK |
- GIMP_CONTEXT_PAINT_ARGS_MASK
- } GimpContextArgMask;
-
- typedef struct _GimpContext GimpContext;
- typedef struct _GimpContextClass GimpContextClass;
-
- struct _GimpContext
- {
- GimpObject object;
-
- gchar *name;
- GimpContext *parent;
-
- guint32 defined_args;
-
- GimpImage *image;
- GDisplay *display;
-
- ToolType tool;
-
- guchar foreground[3];
- guchar background[3];
-
- gdouble opacity;
- LayerModeEffects paint_mode;
-
- GimpBrush *brush;
- gchar *brush_name;
-
- GPattern *pattern;
- gchar *pattern_name;
-
- gradient_t *gradient;
- gchar *gradient_name;
- };
-
- struct _GimpContextClass
- {
- GimpObjectClass parent_class;
-
- void (* image_changed) (GimpContext *context,
- GimpImage *image);
- void (* display_changed) (GimpContext *context,
- GDisplay *display);
-
- void (* tool_changed) (GimpContext *context,
- ToolType tool);
-
- void (* foreground_changed) (GimpContext *context,
- gint r,
- gint g,
- gint b);
- void (* background_changed) (GimpContext *context,
- gint r,
- gint g,
- gint b);
- void (* opacity_changed) (GimpContext *context,
- gdouble opacity);
- void (* paint_mode_changed) (GimpContext *context,
- LayerModeEffects paint_mode);
- void (* brush_changed) (GimpContext *context,
- GimpBrush *brush);
- void (* pattern_changed) (GimpContext *context,
- GPattern *pattern);
- void (* gradient_changed) (GimpContext *context,
- gradient_t *gradient);
- };
-
- GtkType gimp_context_get_type (void);
- GimpContext * gimp_context_new (const gchar *name,
- GimpContext *template);
-
- /* TODO: - gimp_context_find ()
- *
- * probably interacting with the context manager:
- * - gimp_context_push () which will call gimp_context_set_parent()
- * - gimp_context_push_new () to do a GL-style push
- * - gimp_context_pop ()
- *
- * a proper mechanism to prevent silly operations like pushing
- * the user context to some client stack etc.
- */
-
-
- /* to be used by the context management system only
- */
- void gimp_context_set_current (GimpContext *context);
- void gimp_context_set_user (GimpContext *context);
- void gimp_context_set_default (GimpContext *context);
-
- /* these are always available
- */
- GimpContext * gimp_context_get_current (void);
- GimpContext * gimp_context_get_user (void);
- GimpContext * gimp_context_get_default (void);
- GimpContext * gimp_context_get_standard (void);
-
- /* functions for manipulating a single context
- */
- gchar * gimp_context_get_name (GimpContext *context);
- void gimp_context_set_name (GimpContext *context,
- const gchar *name);
-
- GimpContext * gimp_context_get_parent (GimpContext *context);
- void gimp_context_set_parent (GimpContext *context,
- GimpContext *parent);
- void gimp_context_unset_parent (GimpContext *context);
-
- /* define / undefinine context arguments
- *
- * the value of an undefined argument will be taken from the parent context.
- */
- void gimp_context_define_arg (GimpContext *context,
- GimpContextArgType arg,
- gboolean defined);
-
- gboolean gimp_context_arg_defined (GimpContext *context,
- GimpContextArgType arg);
-
- void gimp_context_define_args (GimpContext *context,
- GimpContextArgMask args_mask,
- gboolean defined);
-
- /* copying context arguments
- */
- void gimp_context_copy_arg (GimpContext *src,
- GimpContext *dest,
- GimpContextArgType arg);
-
- void gimp_context_copy_args (GimpContext *src,
- GimpContext *dest,
- GimpContextArgMask args_mask);
-
- /* image */
- GimpImage * gimp_context_get_image (GimpContext *context);
- void gimp_context_set_image (GimpContext *context,
- GimpImage *image);
- void gimp_context_image_changed (GimpContext *context);
-
- /* display */
- GDisplay * gimp_context_get_display (GimpContext *context);
- void gimp_context_set_display (GimpContext *context,
- GDisplay *display);
- void gimp_context_display_changed (GimpContext *context);
-
- /* tool */
- ToolType gimp_context_get_tool (GimpContext *context);
- void gimp_context_set_tool (GimpContext *context,
- ToolType tool_type);
- void gimp_context_tool_changed (GimpContext *context);
-
- /* foreground color */
- void gimp_context_get_foreground (GimpContext *context,
- guchar *r,
- guchar *g,
- guchar *b);
- void gimp_context_set_foreground (GimpContext *context,
- gint r,
- gint g,
- gint b);
- void gimp_context_foreground_changed (GimpContext *context);
-
- /* background color */
- void gimp_context_get_background (GimpContext *context,
- guchar *r,
- guchar *g,
- guchar *b);
- void gimp_context_set_background (GimpContext *context,
- gint r,
- gint g,
- gint b);
- void gimp_context_background_changed (GimpContext *context);
-
- /* color utility functions */
- void gimp_context_set_default_colors (GimpContext *context);
- void gimp_context_swap_colors (GimpContext *context);
-
- /* opacity */
- gdouble gimp_context_get_opacity (GimpContext *context);
- void gimp_context_set_opacity (GimpContext *context,
- gdouble opacity);
- void gimp_context_opacity_changed (GimpContext *context);
-
- /* paint mode */
- LayerModeEffects gimp_context_get_paint_mode (GimpContext *context);
- void gimp_context_set_paint_mode (GimpContext *context,
- LayerModeEffects paint_mode);
- void gimp_context_paint_mode_changed (GimpContext *context);
-
- /* brush */
- GimpBrush * gimp_context_get_brush (GimpContext *context);
- void gimp_context_set_brush (GimpContext *context,
- GimpBrush *brush);
- void gimp_context_brush_changed (GimpContext *context);
- void gimp_context_refresh_brushes (void);
-
- /* pattern */
- GPattern * gimp_context_get_pattern (GimpContext *context);
- void gimp_context_set_pattern (GimpContext *context,
- GPattern *pattern);
- void gimp_context_pattern_changed (GimpContext *context);
- void gimp_context_refresh_patterns (void);
- void gimp_context_update_patterns (GPattern *pattern);
-
- /* gradient */
- gradient_t * gimp_context_get_gradient (GimpContext *context);
- void gimp_context_set_gradient (GimpContext *context,
- gradient_t *gradient);
- void gimp_context_gradient_changed (GimpContext *context);
- void gimp_context_refresh_gradients (void);
- void gimp_context_update_gradients (gradient_t *gradient);
-
-
- #endif /* __GIMP_CONTEXT_H__ */
-