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Diffstat (limited to 'plug-ins/gfig/gfig.h')
| -rw-r--r-- | plug-ins/gfig/gfig.h | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/plug-ins/gfig/gfig.h b/plug-ins/gfig/gfig.h new file mode 100644 index 0000000..a2ed727 --- /dev/null +++ b/plug-ins/gfig/gfig.h @@ -0,0 +1,245 @@ +/* + * 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 3 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, see <https://www.gnu.org/licenses/>. + * + */ + +#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" +#define PLUG_IN_ROLE "gimp-gfig" + +extern gint line_no; +extern gint preview_width, preview_height; +extern gint need_to_scale; +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; + GimpLayerMode 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); + +gint gfig_scale_x (gint x); +gint gfig_scale_y (gint y); +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_item (cairo_t *cr, + gboolean fill); +void draw_circle (GdkPoint *p, + gboolean selected, + cairo_t *cr); +void draw_sqr (GdkPoint *p, + gboolean selected, + cairo_t *cr); + +void list_button_update (GFigObj *obj); + +GtkWidget *num_sides_widget (const 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, + cairo_t *cr); + +void gfig_draw_line (gint x0, + gint y0, + gint x1, + gint y1, + cairo_t *cr); + +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 GList *gfig_list; +extern gdouble org_scale_x_factor, org_scale_y_factor; + +#endif /* __GFIG_H__ */ |