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gimp/plug-ins/gfig/gfig.h

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for GIMP.
*
* Generates images containing vector type drawings.
*
* Copyright (C) 1997 Andy Thomas alt@picnic.demon.co.uk
*
* 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 __GFIG_H__
#define __GFIG_H__
#include "gfig-types.h"
#include "gfig-style.h"
#define MAX_UNDO 10
#define MIN_UNDO 1
typedef struct
{
gint gridspacing;
GridType gridtype;
gboolean drawgrid;
gboolean snap2grid;
gboolean lockongrid;
gboolean showcontrol;
gdouble grid_radius_min;
gdouble grid_radius_interval;
gdouble grid_rotation;
gdouble grid_granularity;
gint grid_sectors_desired;
} GfigOpts;
typedef struct
{
SelectionType type; /* ADD etc .. */
gint antia; /* Boolean for Antia */
gint feather; /* Feather it ? */
gdouble feather_radius; /* Radius to feather */
ArcType as_pie; /* Arc type selection segment/sector */
FillType fill_type; /* Fill type for selection */
gdouble fill_opacity; /* You can guess this one */
} selection_option;
void object_start (GdkPoint *pnt, gint);
void object_operation (GdkPoint *pnt, gint);
void object_operation_start (GdkPoint *pnt, gint shift_down);
void object_operation_end (GdkPoint *pnt, gint);
void object_end (GdkPoint *pnt, gint shift_down);
#define MAX_LOAD_LINE 256
#define SQ_SIZE 8
#define PLUG_IN_PROC "plug-in-gfig"
#define PLUG_IN_BINARY "gfig"
extern gint line_no;
extern gint preview_width, preview_height;
extern gint need_to_scale;
extern GdkGC *gfig_gc;
extern gdouble scale_x_factor, scale_y_factor;
extern GdkPixbuf *back_pixbuf;
extern GtkWidget *pic_preview;
extern gint obj_show_single;
typedef struct
{
GfigOpts opts;
gboolean showimage;
gint maxundo;
gboolean showpos;
gdouble brushfade;
gdouble brushgradient;
gdouble airbrushpressure;
DrawonLayers onlayers;
LayersBGType onlayerbg;
PaintType painttype;
gboolean reverselines;
gboolean scaletoimage;
gdouble scaletoimagefp;
BrushType brshtype;
DobjType otype;
} SelectItVals;
struct _GFigObj
{
gchar *name; /* Trailing name of file */
gchar *filename; /* Filename itself */
gchar *draw_name; /* Name of the drawing */
gfloat version; /* Version number of data file */
GfigOpts opts; /* Options enforced when fig saved */
GList *obj_list; /* Objects that make up this list */
gint obj_status; /* See above for possible values */
GtkWidget *list_item;
GtkWidget *label_widget;
GtkWidget *pixmap_widget;
};
/* this is temp, should be able to get rid of */
typedef struct BrushDesc
{
gchar *name;
gdouble opacity;
gint spacing;
GimpLayerModeEffects paint_mode;
gint width;
gint height;
guchar *pv_buf; /* Buffer where brush placed */
gint16 x_off;
gint16 y_off;
const gchar *popup;
} BrushDesc;
typedef struct
{
gboolean debug_styles;
gboolean show_background; /* show thumbnail of image behind figure */
gint32 image_id; /* Gimp image id */
gint32 drawable_id; /* Gimp drawable to paint on */
GFigObj *current_obj;
GfigObject *selected_obj;
GtkWidget *preview;
Style default_style;
BrushDesc bdesc;
GtkWidget *fg_color_button;
GtkWidget *bg_color_button;
GtkWidget *brush_select;
GtkWidget *pattern_select;
GtkWidget *gradient_select;
GtkWidget *fillstyle_combo;
GtkWidget *paint_type_toggle;
GimpRGB *fg_color;
GimpRGB *bg_color;
gboolean enable_repaint;
gboolean using_new_layer;
} GFigContext;
extern GFigContext *gfig_context;
extern selection_option selopt;
extern SelectItVals selvals;
void add_to_all_obj (GFigObj *fobj,
GfigObject *obj);
gchar *get_line (gchar *buf,
gint s,
FILE *from,
gint init);
void scale_to_xy (gdouble *list,
gint size);
void scale_to_original_xy (gdouble *list,
gint size);
void gfig_paint (BrushType brush_type,
gint32 drawable_ID,
gint seg_count,
gdouble line_pnts[]);
void draw_circle (GdkPoint *p,
gboolean selected);
void draw_sqr (GdkPoint *p,
gboolean selected);
void list_button_update (GFigObj *obj);
GtkWidget *num_sides_widget (gchar *d_title,
gint *num_sides,
gint *which_way,
gint adj_min,
gint adj_max);
void setup_undo (void);
void draw_grid_clear (void);
void prepend_to_all_obj (GFigObj *fobj,
GList *nobj);
void gfig_draw_arc (gint x,
gint y,
gint width,
gint height,
gint angle1,
gint angle2);
void gfig_draw_line (gint x0,
gint y0,
gint x1,
gint y1);
void gfig_paint_callback (void);
GFigObj *gfig_load (const gchar *filename,
const gchar *name);
void gfig_name_encode (gchar *dest,
gchar *src);
void gfig_name_decode (gchar *dest,
const gchar *src);
gint gfig_list_pos (GFigObj *gfig);
gint gfig_list_insert (GFigObj *gfig);
void gfig_free (GFigObj *gfig);
void save_options (GString *string);
GString *gfig_save_as_string (void);
gboolean gfig_save_as_parasite (void);
GFigObj *gfig_load_from_parasite (void);
GFigObj *gfig_new (void);
void gfig_save_callbk (void);
void paint_layer_fill (gdouble x1,
gdouble y1,
gdouble x2,
gdouble y2);
extern GtkWidget *top_level_dlg;
extern GimpDrawable *gfig_drawable;
extern GList *gfig_list;
extern gdouble org_scale_x_factor, org_scale_y_factor;
#endif /* __GFIG_H__ */
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