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gimp/plug-ins/gfig/gfig.c

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/*
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* This is a plug-in for the 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.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <string.h>
#ifdef __GNUC__
#warning GTK_DISABLE_DEPRECATED
#endif
#undef GTK_DISABLE_DEPRECATED
#include <gtk/gtk.h>
#ifdef G_OS_WIN32
# include <io.h>
# ifndef W_OK
# define W_OK 2
# endif
#endif
#include <libgimp/gimp.h>
#include <libgimp/gimpui.h>
#include "libgimp/stdplugins-intl.h"
#include "gfig.h"
#include "gfig-arc.h"
#include "gfig-bezier.h"
#include "gfig-circle.h"
#include "gfig-dobject.h"
#include "gfig-ellipse.h"
#include "gfig-grid.h"
#include "gfig-line.h"
#include "gfig-poly.h"
#include "gfig-preview.h"
#include "gfig-spiral.h"
#include "gfig-star.h"
#include "gfig-stock.h"
#include "pix-data.h"
/***** Magic numbers *****/
#define RESPONSE_UNDO 1
#define RESPONSE_CLEAR 2
#define RESPONSE_SAVE 3
#define RESPONSE_PAINT 4
#define PREVIEW_SIZE 400
#define SCALE_WIDTH 120
#define MAX_UNDO 10
#define MIN_UNDO 1
#define SMALL_PREVIEW_SZ 48
#define BRUSH_PREVIEW_SZ 32
#define GFIG_HEADER "GFIG Version 0.1\n"
#define PREVIEW_MASK (GDK_EXPOSURE_MASK | \
GDK_POINTER_MOTION_MASK | \
GDK_BUTTON_PRESS_MASK | \
GDK_BUTTON_RELEASE_MASK | \
GDK_BUTTON_MOTION_MASK | \
GDK_KEY_PRESS_MASK | \
GDK_KEY_RELEASE_MASK)
static GtkWidget *top_level_dlg;
static GimpDrawable *gfig_select_drawable;
GtkWidget *gfig_preview;
GtkWidget *pic_preview;
static GtkWidget *gfig_gtk_list;
gint32 gfig_image;
gint32 gfig_drawable;
static GtkWidget *brush_page_pw;
static GtkWidget *brush_sel_button;
static gint img_width, img_height;
static void query (void);
static void run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals);
static gint gfig_dialog (void);
static void gfig_response (GtkWidget *widget,
gint response_id,
gpointer data);
static void gfig_paint_callback (void);
static gboolean pic_preview_expose (GtkWidget *widget,
GdkEvent *event);
static gint gfig_brush_preview_events (GtkWidget *widget,
GdkEvent *event);
static void gfig_scale_update_scale (GtkAdjustment *adjustment,
gdouble *value);
static void gfig_scale2img_update (GtkWidget *widget,
gpointer data);
static gint gfig_scale_x (gint x);
static gint gfig_scale_y (gint y);
static gint list_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data);
static void rescan_button_callback (GtkWidget *widget,
gpointer data);
static void load_button_callback (GtkWidget *widget,
gpointer data);
static void new_button_callback (GtkWidget *widget,
gpointer data);
static void gfig_do_delete_gfig_callback (GtkWidget *widget,
gboolean delete,
gpointer data);
static void gfig_delete_gfig_callback (GtkWidget *widget,
gpointer data);
static void edit_button_callback (GtkWidget *widget,
gpointer data);
static void merge_button_callback (GtkWidget *widget,
gpointer data);
static void about_button_callback (GtkWidget *widget,
gpointer data);
static void reload_button_callback (GtkWidget *widget,
gpointer data);
static void do_gfig (void);
static void toggle_show_image (void);
static void gfig_new_gc (void);
GimpPlugInInfo PLUG_IN_INFO =
{
NULL, /* init_proc */
NULL, /* quit_proc */
query, /* query_proc */
run, /* run_proc */
};
#define GRID_TYPE_MENU 1
#define GRID_RENDER_MENU 2
#define GRID_IGNORE 0
#define GRID_HIGHTLIGHT 1
#define GRID_RESTORE 2
#define PAINT_LAYERS_MENU 1
#define PAINT_BGS_MENU 2
#define PAINT_TYPE_MENU 3
#define SELECT_TYPE_MENU 1
#define SELECT_ARCTYPE_MENU 2
#define SELECT_TYPE_MENU_FILL 3
#define SELECT_TYPE_MENU_WHEN 4
#define OBJ_SELECT_GT 1
#define OBJ_SELECT_LT 2
#define OBJ_SELECT_EQ 4
/* Must keep in step with the above */
typedef struct
{
void *gridspacing;
GtkWidget *gridtypemenu;
GtkWidget *drawgrid;
GtkWidget *snap2grid;
GtkWidget *lockongrid;
GtkWidget *showcontrol;
} GfigOptWidgets;
static GfigOptWidgets gfig_opt_widget;
/* Values when first invoked */
SelectItVals selvals =
{
{
MIN_GRID + (MAX_GRID - MIN_GRID)/2, /* Gridspacing */
RECT_GRID, /* Default to rectangle type */
FALSE, /* drawgrid */
FALSE, /* snap2grid */
FALSE, /* lockongrid */
TRUE /* show control points */
},
FALSE, /* show image */
MIN_UNDO + (MAX_UNDO - MIN_UNDO)/2, /* Max level of undos */
TRUE, /* Show pos updates */
0.0, /* Brush fade */
0.0, /* Brush gradient */
20.0, /* Air bursh pressure */
ORIGINAL_LAYER, /* Draw all objects on one layer */
LAYER_TRANS_BG, /* New layers background */
PAINT_BRUSH_TYPE, /* Default to use brushes */
FALSE, /* reverse lines */
TRUE, /* Scale to image when painting */
1.0, /* Scale to image fp */
FALSE, /* Approx circles by drawing lines */
BRUSH_BRUSH_TYPE, /* Default to use a brush */
LINE /* Initial object type */
};
selection_option selopt =
{
ADD, /* type */
FALSE, /* Antia */
FALSE, /* Feather */
10.0, /* feather radius */
ARC_SEGMENT, /* Arc as a segment */
FILL_PATTERN, /* Fill as pattern */
FILL_EACH, /* Fill after each selection */
100.0, /* Max opacity */
};
static gchar *gfig_path = NULL;
static GList *gfig_list = NULL;
gint line_no;
gint obj_show_single = -1; /* -1 all >= 0 object number */
/* Structures etc for the objects */
/* Points used to draw the object */
Dobject *obj_creating; /* Object we are creating */
Dobject *tmp_line; /* Needed when drawing lines */
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;
GFigObj *current_obj;
GFigObj *pic_obj;
static DAllObjs *undo_table[MAX_UNDO];
gint need_to_scale;
static gint32 brush_image_ID = -1;
static GtkWidget *gfig_op_menu; /* Popup menu in the list box */
static GtkWidget *object_list; /* Top preview frame window */
static GtkWidget *fade_out_hbox; /* Fade out widget in brush page */
static GtkWidget *gradient_hbox; /* Gradient widget in brush page */
static GtkWidget *pressure_hbox; /* Pressure widget in brush page */
static GtkWidget *pencil_hbox; /* Dummy widget in brush page */
static GtkWidget *brush_page_widget; /* Widget for the brush part of notebook */
static GtkWidget *select_page_widget; /* Widget for the selection part
* of notebook */
static gint undo_water_mark = -1; /* Last slot filled in -1 = no undo */
gboolean drawing_pic = FALSE; /* If true drawing to the small preview */
static GFigObj *gfig_obj_for_menu; /* More static data -
* need to know which object was selected*/
static GtkWidget *save_menu_item;
/* Don't up just like BIGGG source files? */
static GFigObj * gfig_load (const gchar *filename,
const gchar *name);
static void free_all_objs (DAllObjs * objs);
static GFigObj * gfig_new (void);
static void clear_undo (void);
static void gfig_obj_modified (GFigObj *obj, gint stat_type);
static void gfig_op_menu_create (GtkWidget *window);
static void gridtype_menu_callback (GtkWidget *widget, gpointer data);
static void new_obj_2edit (GFigObj *obj);
static gint load_options (GFigObj *gfig, FILE *fp);
static gint gfig_obj_counts (DAllObjs * objs);
static void gfig_brush_fill_preview_xy (GtkWidget *pw, gint x , gint y);
static void brush_list_button_callback (BrushDesc *bdesc);
/* globals */
static gint gfig_run;
GdkGC *gfig_gc;
/* Stuff for the preview bit */
static gint sel_x1, sel_y1, sel_x2, sel_y2;
static gint sel_width, sel_height;
gint preview_width, preview_height;
gdouble scale_x_factor, scale_y_factor;
static gdouble org_scale_x_factor, org_scale_y_factor;
MAIN ()
static void
query (void)
{
static GimpParamDef args[] =
{
{ GIMP_PDB_INT32, "run_mode", "Interactive, non-interactive" },
{ GIMP_PDB_IMAGE, "image", "Input image (unused)" },
{ GIMP_PDB_DRAWABLE, "drawable", "Input drawable" },
{ GIMP_PDB_INT32, "dummy", "dummy" }
};
gimp_install_procedure ("plug_in_gfig",
"Create Geometrical shapes with the Gimp",
"More here later",
"Andy Thomas",
"Andy Thomas",
"1997",
N_("<Image>/Filters/Render/_Gfig..."),
"RGB*, GRAY*",
GIMP_PLUGIN,
G_N_ELEMENTS (args), 0,
args, NULL);
}
static void
run (const gchar *name,
gint nparams,
const GimpParam *param,
gint *nreturn_vals,
GimpParam **return_vals)
{
GimpParam *values = g_new (GimpParam, 1);
GimpDrawable *drawable;
GimpRunMode run_mode;
GimpPDBStatusType status = GIMP_PDB_SUCCESS;
gint pwidth, pheight;
INIT_I18N ();
run_mode = param[0].data.d_int32;
gfig_image = param[1].data.d_image;
gfig_drawable = param[2].data.d_drawable;
*nreturn_vals = 1;
*return_vals = values;
values[0].type = GIMP_PDB_STATUS;
values[0].data.d_status = status;
gfig_select_drawable = drawable = gimp_drawable_get (param[2].data.d_drawable);
/* TMP Hack - clear any selections */
if (! gimp_selection_is_empty (gfig_image))
gimp_selection_clear (gfig_image);
gimp_drawable_mask_bounds (drawable->drawable_id,
&sel_x1, &sel_y1, &sel_x2, &sel_y2);
sel_width = sel_x2 - sel_x1;
sel_height = sel_y2 - sel_y1;
/* Calculate preview size */
if (sel_width > sel_height)
{
pwidth = MIN (sel_width, PREVIEW_SIZE);
pheight = sel_height * pwidth / sel_width;
}
else
{
pheight = MIN (sel_height, PREVIEW_SIZE);
pwidth = sel_width * pheight / sel_height;
}
preview_width = MAX (pwidth, 2); /* Min size is 2 */
preview_height = MAX (pheight, 2);
org_scale_x_factor = scale_x_factor =
(gdouble) sel_width / (gdouble) preview_width;
org_scale_y_factor = scale_y_factor =
(gdouble) sel_height / (gdouble) preview_height;
switch (run_mode)
{
case GIMP_RUN_INTERACTIVE:
/*gimp_get_data ("plug_in_gfig", &selvals);*/
if (! gfig_dialog ())
{
gimp_drawable_detach (drawable);
return;
}
break;
case GIMP_RUN_NONINTERACTIVE:
status = GIMP_PDB_CALLING_ERROR;
break;
case GIMP_RUN_WITH_LAST_VALS:
/*gimp_get_data ("plug_in_gfig", &selvals);*/
break;
default:
break;
}
if (gimp_drawable_is_rgb (drawable->drawable_id) ||
gimp_drawable_is_gray (drawable->drawable_id))
{
/* Set the tile cache size */
gimp_tile_cache_ntiles ((drawable->width + gimp_tile_width () - 1) /
gimp_tile_width ());
do_gfig ();
if (run_mode != GIMP_RUN_NONINTERACTIVE)
gimp_displays_flush ();
#if 0
if (run_mode == GIMP_RUN_INTERACTIVE)
gimp_set_data ("plug_in_gfig", &selvals, sizeof (SelectItVals));
#endif /* 0 */
}
else
{
status = GIMP_PDB_EXECUTION_ERROR;
}
values[0].data.d_status = status;
gimp_drawable_detach (drawable);
}
/*
Translate SPACE to "\\040", etc.
Taken from gflare plugin
*/
static void
gfig_name_encode (gchar *dest,
gchar *src)
{
gint cnt = MAX_LOAD_LINE - 1;
while (*src && cnt--)
{
if (g_ascii_iscntrl (*src) || g_ascii_isspace (*src) || *src == '\\')
{
sprintf (dest, "\\%03o", *src++);
dest += 4;
}
else
*dest++ = *src++;
}
*dest = '\0';
}
/*
Translate "\\040" to SPACE, etc.
*/
static void
gfig_name_decode (gchar *dest,
const gchar *src)
{
gint cnt = MAX_LOAD_LINE - 1;
guint tmp;
while (*src && cnt--)
{
if (*src == '\\' && *(src+1) && *(src+2) && *(src+3))
{
sscanf (src+1, "%3o", &tmp);
*dest++ = tmp;
src += 4;
}
else
*dest++ = *src++;
}
*dest = '\0';
}
/*
* Load all gfig, which are founded in gfig-path-list, into gfig_list.
* gfig-path-list must be initialized first. (plug_in_parse_gfig_path ())
* based on code from Gflare.
*/
static gint
gfig_list_pos (GFigObj *gfig)
{
GFigObj *g;
gint n;
GList *tmp;
n = 0;
for (tmp = gfig_list; tmp; tmp = g_list_next (tmp))
{
g = tmp->data;
if (strcmp (gfig->draw_name, g->draw_name) <= 0)
break;
n++;
}
return n;
}
/*
* Insert gfigs in alphabetical order
*/
static gint
gfig_list_insert (GFigObj *gfig)
{
gint n;
n = gfig_list_pos (gfig);
gfig_list = g_list_insert (gfig_list, gfig, n);
return n;
}
static void
gfig_free (GFigObj *gfig)
{
g_assert (gfig != NULL);
free_all_objs (gfig->obj_list);
g_free (gfig->name);
g_free (gfig->filename);
g_free (gfig->draw_name);
g_free (gfig);
}
static void
gfig_free_everything (GFigObj *gfig)
{
g_assert (gfig != NULL);
if (gfig->filename)
{
remove (gfig->filename);
}
gfig_free (gfig);
}
static void
gfig_list_free_all (void)
{
g_list_foreach (gfig_list, (GFunc) gfig_free, NULL);
g_list_free (gfig_list);
gfig_list = NULL;
}
static void
gfig_list_load_one (const GimpDatafileData *file_data,
gpointer user_data)
{
GFigObj *gfig;
gfig = gfig_load (file_data->filename, file_data->basename);
if (gfig)
{
/* Read only ?*/
if (access (file_data->filename, W_OK))
gfig->obj_status |= GFIG_READONLY;
gfig_list_insert (gfig);
}
}
static void
gfig_list_load_all (const gchar *path)
{
/* Make sure to clear any existing gfigs */
current_obj = pic_obj = NULL;
gfig_list_free_all ();
gimp_datafiles_read_directories (path, G_FILE_TEST_EXISTS,
gfig_list_load_one,
NULL);
if (! gfig_list)
{
GFigObj *gfig;
/* lets have at least one! */
gfig = gfig_new ();
gfig->draw_name = g_strdup (_("First Gfig"));
gfig_list_insert (gfig);
}
pic_obj = current_obj = gfig_list->data; /* set to first entry */
}
static GFigObj *
gfig_new (void)
{
return g_new0 (GFigObj, 1);
}
static void
gfig_load_objs (GFigObj *gfig,
gint load_count,
FILE *fp)
{
Dobject *obj;
gchar load_buf[MAX_LOAD_LINE];
/* Loading object */
/*kill (getpid (), 19);*/
/* Read first line */
while (load_count-- > 0)
{
obj = NULL;
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
if (!strcmp (load_buf, "<LINE>"))
{
obj = d_load_line (fp);
}
else if (!strcmp (load_buf, "<CIRCLE>"))
{
obj = d_load_circle (fp);
}
else if (!strcmp (load_buf, "<ELLIPSE>"))
{
obj = d_load_ellipse (fp);
}
else if (!strcmp (load_buf, "<POLY>"))
{
obj = d_load_poly (fp);
}
else if (!strcmp (load_buf, "<STAR>"))
{
obj = d_load_star (fp);
}
else if (!strcmp (load_buf, "<SPIRAL>"))
{
obj = d_load_spiral (fp);
}
else if (!strcmp (load_buf, "<BEZIER>"))
{
obj = d_load_bezier (fp);
}
else if (!strcmp (load_buf, "<ARC>"))
{
obj = d_load_arc (fp);
}
else
{
g_warning ("Unknown obj type file %s line %d\n", gfig->filename, line_no);
}
if (obj)
{
add_to_all_obj (gfig, obj);
}
}
}
static GFigObj *
gfig_load (const gchar *filename,
const gchar *name)
{
GFigObj *gfig;
FILE *fp;
gchar load_buf[MAX_LOAD_LINE];
gchar str_buf[MAX_LOAD_LINE];
gint chk_count;
gint load_count = 0;
g_assert (filename != NULL);
#ifdef DEBUG
printf ("Loading %s (%s)\n", filename, name);
#endif /* DEBUG */
fp = fopen (filename, "r");
if (!fp)
{
g_message (_("Could not open '%s' for reading: %s"),
gimp_filename_to_utf8 (filename), g_strerror (errno));
return NULL;
}
gfig = gfig_new ();
gfig->name = g_strdup (name);
gfig->filename = g_strdup (filename);
/* HEADER
* draw_name
* version
* obj_list
*/
get_line (load_buf, MAX_LOAD_LINE, fp, 1);
if (strncmp (GFIG_HEADER, load_buf, strlen (load_buf)))
{
g_message ("File '%s' is not a gfig file",
gimp_filename_to_utf8 (gfig->filename));
return NULL;
}
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
sscanf (load_buf, "Name: %100s", str_buf);
gfig_name_decode (load_buf, str_buf);
gfig->draw_name = g_strdup (load_buf);
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
if (strncmp (load_buf, "Version: ", 9) == 0)
gfig->version = g_ascii_strtod (load_buf + 9, NULL);
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
sscanf (load_buf, "ObjCount: %d", &load_count);
if (load_options (gfig, fp))
{
g_message ("File '%s' corrupt file - Line %d Option section incorrect",
gimp_filename_to_utf8 (filename), line_no);
return NULL;
}
/*return (NULL);*/
gfig_load_objs (gfig, load_count, fp);
/* Check count ? */
chk_count = gfig_obj_counts (gfig->obj_list);
if (chk_count != load_count)
{
g_message ("File '%s' corrupt file - Line %d Object count to small",
gimp_filename_to_utf8 (filename), line_no);
return NULL;
}
fclose (fp);
if (!pic_obj)
pic_obj = gfig;
gfig->obj_status = GFIG_OK;
return gfig;
}
static void
save_options (FILE *fp)
{
/* Save options */
fprintf (fp, "<OPTIONS>\n");
fprintf (fp, "GridSpacing: %d\n", selvals.opts.gridspacing);
if (selvals.opts.gridtype == RECT_GRID)
fprintf (fp, "GridType: RECT_GRID\n");
else if (selvals.opts.gridtype == POLAR_GRID)
fprintf (fp, "GridType: POLAR_GRID\n");
else if (selvals.opts.gridtype == ISO_GRID)
fprintf (fp, "GridType: ISO_GRID\n");
else fprintf (fp, "GridType: RECT_GRID\n"); /* If in doubt, default to RECT_GRID */
fprintf (fp, "DrawGrid: %s\n", (selvals.opts.drawgrid)?"TRUE":"FALSE");
fprintf (fp, "Snap2Grid: %s\n", (selvals.opts.snap2grid)?"TRUE":"FALSE");
fprintf (fp, "LockOnGrid: %s\n", (selvals.opts.lockongrid)?"TRUE":"FALSE");
/* fprintf (fp, "ShowImage: %s\n", (selvals.opts.showimage)?"TRUE":"FALSE");*/
fprintf (fp, "ShowControl: %s\n", (selvals.opts.showcontrol)?"TRUE":"FALSE");
fprintf (fp, "</OPTIONS>\n");
}
static gint
load_bool (gchar *opt_buf,
gint *toset)
{
if (!strcmp (opt_buf, "TRUE"))
*toset = 1;
else if (!strcmp (opt_buf, "FALSE"))
*toset = 0;
else
return (-1);
return (0);
}
static void
update_options (GFigObj *old_obj)
{
/* Save old vals */
if (selvals.opts.gridspacing != old_obj->opts.gridspacing)
{
old_obj->opts.gridspacing = selvals.opts.gridspacing;
}
if (selvals.opts.gridtype != old_obj->opts.gridtype)
{
old_obj->opts.gridtype = selvals.opts.gridtype;
}
if (selvals.opts.drawgrid != old_obj->opts.drawgrid)
{
old_obj->opts.drawgrid = selvals.opts.drawgrid;
}
if (selvals.opts.snap2grid != old_obj->opts.snap2grid)
{
old_obj->opts.snap2grid = selvals.opts.snap2grid;
}
if (selvals.opts.lockongrid != old_obj->opts.lockongrid)
{
old_obj->opts.lockongrid = selvals.opts.lockongrid;
}
if (selvals.opts.showcontrol != old_obj->opts.showcontrol)
{
old_obj->opts.showcontrol = selvals.opts.showcontrol;
}
/* New vals */
if (selvals.opts.gridspacing != current_obj->opts.gridspacing)
{
gtk_adjustment_set_value
(GTK_ADJUSTMENT (gfig_opt_widget.gridspacing),
current_obj->opts.gridspacing);
}
if (selvals.opts.drawgrid != current_obj->opts.drawgrid)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (gfig_opt_widget.drawgrid),
current_obj->opts.drawgrid);
}
if (selvals.opts.snap2grid != current_obj->opts.snap2grid)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (gfig_opt_widget.snap2grid),
current_obj->opts.snap2grid);
}
if (selvals.opts.lockongrid != current_obj->opts.lockongrid)
{
#if 0
/* Maurits: code not implemented */
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (gfig_opt_widget.lockongrid),
current_obj->opts.lockongrid);
#endif
}
if (selvals.opts.showcontrol != current_obj->opts.showcontrol)
{
gtk_toggle_button_set_active
(GTK_TOGGLE_BUTTON (gfig_opt_widget.showcontrol),
current_obj->opts.showcontrol);
}
if (selvals.opts.gridtype != current_obj->opts.gridtype)
{
gtk_option_menu_set_history
(GTK_OPTION_MENU (gfig_opt_widget.gridtypemenu),
current_obj->opts.gridtype);
gridtype_menu_callback
(gtk_menu_get_active
(GTK_MENU (gtk_option_menu_get_menu
(GTK_OPTION_MENU (gfig_opt_widget.gridtypemenu)))),
GINT_TO_POINTER (GRID_TYPE_MENU));
#ifdef DEBUG
printf ("Gridtype set in options to ");
if (current_obj->opts.gridtype == RECT_GRID)
printf ("RECT_GRID\n");
else if (current_obj->opts.gridtype == POLAR_GRID)
printf ("POLAR_GRID\n");
else if (current_obj->opts.gridtype == ISO_GRID)
printf ("ISO_GRID\n");
else printf ("NONE\n");
#endif /* DEBUG */
}
}
static gint
load_options (GFigObj *gfig,
FILE *fp)
{
gchar load_buf[MAX_LOAD_LINE];
gchar str_buf[MAX_LOAD_LINE];
gchar opt_buf[MAX_LOAD_LINE];
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
#ifdef DEBUG
printf ("load '%s'\n", load_buf);
#endif /* DEBUG */
if (strcmp (load_buf, "<OPTIONS>"))
return (-1);
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
#ifdef DEBUG
printf ("opt line '%s'\n", load_buf);
#endif /* DEBUG */
while (strcmp (load_buf, "</OPTIONS>"))
{
/* Get option name */
#ifdef DEBUG
printf ("num = %d\n", sscanf (load_buf, "%s %s", str_buf, opt_buf));
printf ("option %s val %s\n", str_buf, opt_buf);
#else
sscanf (load_buf, "%s %s", str_buf, opt_buf);
#endif /* DEBUG */
if (!strcmp (str_buf, "GridSpacing:"))
{
/* Value is decimal */
int sp = 0;
sp = atoi (opt_buf);
if (sp <= 0)
return (-1);
gfig->opts.gridspacing = sp;
}
else if (!strcmp (str_buf, "DrawGrid:"))
{
/* Value is bool */
if (load_bool (opt_buf, &gfig->opts.drawgrid))
return (-1);
}
else if (!strcmp (str_buf, "Snap2Grid:"))
{
/* Value is bool */
if (load_bool (opt_buf, &gfig->opts.snap2grid))
return (-1);
}
else if (!strcmp (str_buf, "LockOnGrid:"))
{
/* Value is bool */
if (load_bool (opt_buf, &gfig->opts.lockongrid))
return (-1);
}
else if (!strcmp (str_buf, "ShowControl:"))
{
/* Value is bool */
if (load_bool (opt_buf, &gfig->opts.showcontrol))
return (-1);
}
else if (!strcmp (str_buf, "GridType:"))
{
/* Value is string */
if (!strcmp (opt_buf, "RECT_GRID"))
gfig->opts.gridtype = RECT_GRID;
else if (!strcmp (opt_buf, "POLAR_GRID"))
gfig->opts.gridtype = POLAR_GRID;
else if (!strcmp (opt_buf, "ISO_GRID"))
gfig->opts.gridtype = ISO_GRID;
else
return (-1);
}
get_line (load_buf, MAX_LOAD_LINE, fp, 0);
#ifdef DEBUG
printf ("opt line '%s'\n", load_buf);
#endif /* DEBUG */
}
return (0);
}
static gint
gfig_obj_counts (DAllObjs *objs)
{
gint count = 0;
for (; objs; objs = objs->next)
count++;
return count;
}
static void
gfig_save_callbk (void)
{
FILE *fp;
DAllObjs *objs;
gint count = 0;
gchar *savename;
gchar buf[G_ASCII_DTOSTR_BUF_SIZE];
gchar conv_buf[MAX_LOAD_LINE*3 +1];
savename = current_obj->filename;
fp = fopen (savename, "w+");
if (!fp)
{
g_message (_("Could not open '%s' for writing: %s"),
gimp_filename_to_utf8 (savename), g_strerror (errno));
return;
}
/* Write header out */
fputs (GFIG_HEADER, fp);
/*
* draw_name
* version
* obj_list
*
*/
gfig_name_encode (conv_buf, current_obj->draw_name);
fprintf (fp, "Name: %s\n", conv_buf);
fprintf (fp, "Version: %s\n",
g_ascii_formatd (buf, G_ASCII_DTOSTR_BUF_SIZE, "%f",
current_obj->version));
objs = current_obj->obj_list;
count = gfig_obj_counts (objs);
fprintf (fp, "ObjCount: %d\n", count);
save_options (fp);
for (objs = current_obj->obj_list; objs; objs = objs->next)
{
if (objs->obj->points)
{
objs->obj->savefunc (objs->obj, fp);
}
}
if (ferror (fp))
g_message ("Failed to write file\n");
else
{
gfig_obj_modified (current_obj, GFIG_OK);
current_obj->obj_status &= ~(GFIG_MODIFIED | GFIG_READONLY);
}
fclose (fp);
gfig_update_stat_labels ();
}
static void
file_selection_response (GtkFileSelection *fs,
gint response_id,
GFigObj *obj)
{
if (response_id == GTK_RESPONSE_OK)
{
const gchar *filenamebuf;
GFigObj *real_current;
filenamebuf = gtk_file_selection_get_filename (fs);
/* Get the name */
if (strlen (filenamebuf) == 0)
{
g_message ("Save: No filename given");
return;
}
if (g_file_test (filenamebuf, G_FILE_TEST_IS_DIR))
{
g_message (_("Cannot save to a folder."));
return;
}
obj->filename = g_strdup (filenamebuf);
real_current = current_obj;
current_obj = obj;
gfig_save_callbk ();
current_obj = current_obj;
}
gtk_widget_destroy (GTK_WIDGET (fs));
}
static void
create_file_selection (GFigObj *obj,
gchar *tpath,
GtkWidget *parent)
{
static GtkWidget *window = NULL;
if (!window)
{
window = gtk_file_selection_new (_("Save Gfig Drawing"));
gtk_window_set_transient_for (GTK_WINDOW (window), GTK_WINDOW (parent));
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&window);
g_signal_connect (window, "response",
G_CALLBACK (file_selection_response),
obj);
}
if (tpath)
{
gtk_file_selection_set_filename (GTK_FILE_SELECTION (window), tpath);
}
else if (gfig_path)
{
GList *list;
gchar *dir;
list = gimp_path_parse (gfig_path, 16, FALSE, 0);
dir = gimp_path_get_user_writable_dir (list);
gimp_path_free (list);
if (! dir)
dir = g_strdup (gimp_directory ());
gtk_file_selection_set_filename (GTK_FILE_SELECTION (window), dir);
g_free (dir);
}
else
{
const gchar *tmp = g_get_tmp_dir ();
gtk_file_selection_set_filename (GTK_FILE_SELECTION (window), tmp);
}
gtk_window_present (GTK_WINDOW (window));
}
static void
gfig_save (GtkWidget *parent)
{
/* Save the current object */
if (!current_obj->filename)
{
create_file_selection (current_obj, NULL, parent);
return;
}
gfig_save_callbk ();
}
static GtkWidget *
gfig_list_item_new_with_label_and_pixmap (GFigObj *obj,
gchar *label,
GtkWidget *pix_widget)
{
GtkWidget *list_item;
GtkWidget *label_widget;
GtkWidget *hbox;
list_item = gtk_list_item_new ();
hbox = gtk_hbox_new (FALSE, 1);
gtk_container_add (GTK_CONTAINER (list_item), hbox);
gtk_widget_show (hbox);
gtk_box_pack_start (GTK_BOX (hbox), pix_widget, FALSE, FALSE, 0);
label_widget = gtk_label_new (label);
gtk_misc_set_alignment (GTK_MISC (label_widget), 0.0, 0.5);
gtk_container_add (GTK_CONTAINER (hbox), label_widget);
gtk_widget_show (obj->label_widget = label_widget);
gtk_widget_show (obj->pixmap_widget = pix_widget);
gtk_widget_show (obj->list_item = list_item);
return list_item;
}
static void
gfig_obj_modified (GFigObj *obj,
gint stat_type)
{
g_assert (obj != NULL);
if (obj->obj_status == stat_type)
return;
/* Set the new one up */
if (stat_type == GFIG_MODIFIED)
gimp_pixmap_set (GIMP_PIXMAP (obj->pixmap_widget), Floppy6_xpm);
else
gimp_pixmap_set (GIMP_PIXMAP (obj->pixmap_widget), blank_xpm);
}
static void
select_button_clicked (GtkWidget *widget,
gpointer data)
{
gint type = GPOINTER_TO_INT (data);
gint count = 0;
DAllObjs *objs;
if (current_obj)
{
for (objs = current_obj->obj_list; objs; objs = objs->next)
count++;
}
switch (type)
{
case OBJ_SELECT_LT:
obj_show_single--;
if (obj_show_single < 0)
obj_show_single = count - 1;
break;
case OBJ_SELECT_GT:
obj_show_single++;
if (obj_show_single >= count)
obj_show_single = 0;
break;
case OBJ_SELECT_EQ:
obj_show_single = -1; /* Reset to show all */
break;
default:
break;
}
draw_grid_clear ();
}
static GtkWidget *
obj_select_buttons (void)
{
GtkWidget *button;
GtkWidget *image;
GtkWidget *hbox, *vbox;
vbox = gtk_vbox_new (TRUE, 0);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 0);
gtk_box_pack_start (GTK_BOX (vbox), hbox, TRUE, TRUE, 0);
gtk_widget_show (hbox);
button = gtk_button_new ();
gimp_help_set_help_data (button, _("Show previous object"), NULL);
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (select_button_clicked),
GINT_TO_POINTER (OBJ_SELECT_LT));
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_GO_BACK,
GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
button = gtk_button_new ();
gimp_help_set_help_data (button, _("Show next object"), NULL);
gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (select_button_clicked),
GINT_TO_POINTER (OBJ_SELECT_GT));
gtk_widget_show (button);
image = gtk_image_new_from_stock (GTK_STOCK_GO_FORWARD,
GTK_ICON_SIZE_BUTTON);
gtk_container_add (GTK_CONTAINER (button), image);
gtk_widget_show (image);
button = gtk_button_new_with_label (_("All"));
gimp_help_set_help_data (button, _("Show all objects"), NULL);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (select_button_clicked),
GINT_TO_POINTER (OBJ_SELECT_EQ));
gtk_widget_show (button);
return vbox;
}
static GtkWidget *
but_with_pix (const gchar *stock_id,
GSList **group,
gint baction)
{
GtkWidget *button;
button = gtk_radio_button_new_with_label (*group, stock_id);
gtk_button_set_use_stock (GTK_BUTTON (button), TRUE);
gtk_toggle_button_set_mode (GTK_TOGGLE_BUTTON (button), FALSE);
g_signal_connect (button, "toggled",
G_CALLBACK (toggle_obj_type),
GINT_TO_POINTER (baction));
gtk_widget_show (button);
*group = gtk_radio_button_get_group (GTK_RADIO_BUTTON (button));
return button;
}
static GtkWidget *
small_preview (void)
{
GtkWidget *frame;
GtkWidget *vbox;
gint y;
vbox = gtk_vbox_new (FALSE, 0);
gtk_widget_show (vbox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_box_pack_start (GTK_BOX (vbox), frame, FALSE, FALSE, 0);
gtk_widget_show (frame);
pic_preview = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_preview_size (GTK_PREVIEW (pic_preview),
SMALL_PREVIEW_SZ, SMALL_PREVIEW_SZ);
gtk_container_add (GTK_CONTAINER (frame), pic_preview);
gtk_widget_show (pic_preview);
/* Fill with white */
for (y = 0; y < SMALL_PREVIEW_SZ; y++)
{
guchar prow[SMALL_PREVIEW_SZ*3];
memset (prow, 255, SMALL_PREVIEW_SZ * 3);
gtk_preview_draw_row (GTK_PREVIEW (pic_preview), prow,
0, y, SMALL_PREVIEW_SZ);
}
g_signal_connect_after (pic_preview, "expose_event",
G_CALLBACK (pic_preview_expose),
NULL);
return vbox;
}
/* Special case for now - options on poly/star/spiral button */
void
num_sides_dialog (gchar *d_title,
gint *num_sides,
gint *which_way,
gint adj_min,
gint adj_max)
{
GtkWidget *window;
GtkWidget *table;
GtkObject *size_data;
window = gimp_dialog_new (d_title, "gfig",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
g_signal_connect (window, "response",
G_CALLBACK (gtk_widget_destroy),
NULL);
table = gtk_table_new (which_way ? 2 : 1, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_container_set_border_width (GTK_CONTAINER (table), 6);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox), table,
FALSE, FALSE, 0);
gtk_widget_show (table);
size_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("Number of Sides/Points/Turns:"), 0, 0,
*num_sides, adj_min, adj_max, 1, 10, 0,
TRUE, 0, 0,
NULL, NULL);
g_signal_connect (size_data, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
num_sides);
if (which_way)
{
GtkWidget *option_menu;
option_menu =
gimp_int_option_menu_new (FALSE, G_CALLBACK (gimp_menu_item_update),
which_way, *which_way,
_("Clockwise"), 0, NULL,
_("Anti-Clockwise"), 1, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Orientation:"), 1.0, 0.5,
option_menu, 1, TRUE);
}
gtk_widget_show (window);
}
static gint
bezier_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
if ((event->type == GDK_2BUTTON_PRESS) &&
(event->button == 1))
bezier_dialog ();
return FALSE;
}
static GtkWidget *
draw_buttons (GtkWidget *ww)
{
GtkWidget *button;
GtkWidget *vbox;
GSList *group = NULL;
/* Create group */
vbox = gtk_vbox_new (FALSE, 0);
/* Put buttons in */
button = but_with_pix (GFIG_STOCK_LINE, &group, LINE);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Create line"), NULL);
button = but_with_pix (GFIG_STOCK_CIRCLE, &group, CIRCLE);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Create circle"), NULL);
button = but_with_pix (GFIG_STOCK_ELLIPSE, &group, ELLIPSE);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Create ellipse"), NULL);
button = but_with_pix (GFIG_STOCK_CURVE, &group, ARC);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Create arch"), NULL);
button = but_with_pix (GFIG_STOCK_POLYGON, &group, POLY);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
g_signal_connect (button, "button_press_event",
G_CALLBACK (poly_button_press),
NULL);
gimp_help_set_help_data (button, _("Create reg polygon"), NULL);
button = but_with_pix (GFIG_STOCK_STAR, &group, STAR);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
g_signal_connect (button, "button_press_event",
G_CALLBACK (star_button_press),
NULL);
gimp_help_set_help_data (button, _("Create star"), NULL);
button = but_with_pix (GFIG_STOCK_SPIRAL, &group, SPIRAL);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_widget_show (button);
g_signal_connect (button, "button_press_event",
G_CALLBACK (spiral_button_press),
NULL);
gimp_help_set_help_data (button, _("Create spiral"), NULL);
button = but_with_pix (GFIG_STOCK_BEZIER, &group, BEZIER);
gtk_box_pack_start (GTK_BOX (vbox), button, TRUE, TRUE, 0);
gtk_widget_show (button);
g_signal_connect (button, "button_press_event",
G_CALLBACK (bezier_button_press),
NULL);
gimp_help_set_help_data (button,
_("Create bezier curve. "
"Shift + Button ends object creation."), NULL);
button = but_with_pix (GFIG_STOCK_MOVE_OBJECT, &group, MOVE_OBJ);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Move an object"), NULL);
button = but_with_pix (GFIG_STOCK_MOVE_POINT, &group, MOVE_POINT);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Move a single point"), NULL);
button = but_with_pix (GFIG_STOCK_COPY_OBJECT, &group, COPY_OBJ);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Copy an object"), NULL);
button = but_with_pix (GFIG_STOCK_DELETE_OBJECT, &group, DEL_OBJ);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gimp_help_set_help_data (button, _("Delete an object"), NULL);
button = obj_select_buttons ();
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
gtk_widget_show (vbox);
return vbox;
}
/* Brush preview stuff */
static gboolean
gfig_brush_preview_events (GtkWidget *widget,
GdkEvent *event)
{
GdkEventButton *bevent;
GdkEventMotion *mevent;
static GdkPoint point;
static int have_start = 0;
switch (event->type)
{
case GDK_EXPOSE:
break;
case GDK_BUTTON_PRESS:
bevent = (GdkEventButton *) event;
point.x = bevent->x;
point.y = bevent->y;
have_start = 1;
break;
case GDK_BUTTON_RELEASE:
bevent = (GdkEventButton *) event;
have_start = 0;
break;
case GDK_MOTION_NOTIFY:
mevent = (GdkEventMotion *) event;
if (!have_start || !(mevent->state & GDK_BUTTON1_MASK))
break;
gfig_brush_fill_preview_xy (widget,
point.x - mevent->x,
point.y - mevent->y);
gtk_widget_queue_draw (widget);
point.x = mevent->x;
point.y = mevent->y;
break;
default:
break;
}
return FALSE;
}
static void
gfig_brush_update_preview (GtkWidget *widget,
gpointer data)
{
BrushDesc *bdesc = g_object_get_data (G_OBJECT (data), "brush-desc");
brush_list_button_callback (bdesc);
}
static void
gfig_brush_menu_callback (GtkWidget *widget,
gpointer data)
{
gimp_menu_item_update (widget, &selvals.brshtype);
switch (selvals.brshtype)
{
case BRUSH_BRUSH_TYPE:
gtk_widget_hide (pressure_hbox);
gtk_widget_hide (pencil_hbox);
gtk_widget_show (fade_out_hbox);
gtk_widget_show (gradient_hbox);
break;
case BRUSH_PENCIL_TYPE:
gtk_widget_hide (fade_out_hbox);
gtk_widget_hide (gradient_hbox);
gtk_widget_hide (pressure_hbox);
gtk_widget_show (pencil_hbox);
break;
case BRUSH_AIRBRUSH_TYPE:
gtk_widget_hide (fade_out_hbox);
gtk_widget_hide (gradient_hbox);
gtk_widget_hide (pencil_hbox);
gtk_widget_show (pressure_hbox);
break;
case BRUSH_PATTERN_TYPE:
gtk_widget_hide (fade_out_hbox);
gtk_widget_hide (gradient_hbox);
gtk_widget_hide (pressure_hbox);
gtk_widget_show (pencil_hbox);
break;
default:
g_warning ("Internal error - invalid brush type");
break;
}
gfig_brush_update_preview (widget, data);
}
static GtkWidget *
gfig_brush_preview (GtkWidget **pv)
{
GtkWidget *option_menu;
GtkWidget *frame;
GtkWidget *hbox;
GtkWidget *vbox;
gint y;
hbox = gtk_hbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (hbox), 4);
gtk_widget_show (hbox);
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_IN);
gtk_container_set_border_width (GTK_CONTAINER (frame), 0);
gtk_widget_show (frame);
*pv = gtk_preview_new (GTK_PREVIEW_COLOR);
gtk_widget_show (*pv);
gtk_widget_set_events (GTK_WIDGET (*pv), PREVIEW_MASK);
g_signal_connect (*pv, "event",
G_CALLBACK (gfig_brush_preview_events),
NULL);
gtk_preview_size (GTK_PREVIEW (*pv), BRUSH_PREVIEW_SZ, BRUSH_PREVIEW_SZ);
gtk_container_add (GTK_CONTAINER (frame), *pv);
/* Fill with white */
for (y = 0; y < BRUSH_PREVIEW_SZ; y++)
{
guchar prow[BRUSH_PREVIEW_SZ*3];
memset (prow, -1, BRUSH_PREVIEW_SZ * 3);
gtk_preview_draw_row (GTK_PREVIEW (*pv), prow, 0, y, BRUSH_PREVIEW_SZ);
}
/* Now the buttons */
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
gtk_widget_show (vbox);
option_menu =
gimp_int_option_menu_new (FALSE, G_CALLBACK (gfig_brush_menu_callback),
*pv, selvals.brshtype,
_("Brush"), BRUSH_BRUSH_TYPE, NULL,
_("Airbrush"), BRUSH_AIRBRUSH_TYPE, NULL,
_("Pencil"), BRUSH_PENCIL_TYPE, NULL,
_("Pattern"), BRUSH_PATTERN_TYPE, NULL,
NULL);
gtk_widget_show (option_menu);
gtk_container_add (GTK_CONTAINER (vbox), option_menu);
gimp_help_set_help_data (option_menu,
_("Use the brush/pencil or the airbrush when drawing "
"on the image. Pattern paints with currently "
"selected brush with a pattern. Only applies to "
"circles/ellipses if Approx. Circles/Ellipses "
"toggle is set."), NULL);
gtk_container_add (GTK_CONTAINER (hbox), vbox);
gtk_container_add (GTK_CONTAINER (hbox), frame);
return hbox;
}
static void
gfig_brush_fill_preview_xy (GtkWidget *pw,
gint x1,
gint y1)
{
gint row_count;
BrushDesc *bdesc = (BrushDesc *) g_object_get_data (G_OBJECT (pw),
"brush-desc");
/* Adjust start position */
bdesc->x_off += x1;
bdesc->y_off += y1;
if (bdesc->y_off < 0)
bdesc->y_off = 0;
if (bdesc->y_off > (bdesc->height - BRUSH_PREVIEW_SZ))
bdesc->y_off = bdesc->height - BRUSH_PREVIEW_SZ;
if (bdesc->x_off < 0)
bdesc->x_off = 0;
if (bdesc->x_off > (bdesc->width - BRUSH_PREVIEW_SZ))
bdesc->x_off = bdesc->width - BRUSH_PREVIEW_SZ;
/* Given an x and y fill preview in correctly offsetted */
for (row_count = 0; row_count < BRUSH_PREVIEW_SZ; row_count++)
gtk_preview_draw_row (GTK_PREVIEW (pw),
&bdesc->pv_buf[bdesc->x_off * 3
+ (bdesc->width
* 3 * (row_count + bdesc->y_off))],
0,
row_count,
BRUSH_PREVIEW_SZ);
}
static void
gfig_brush_fill_preview (GtkWidget *pw,
gint32 layer_ID,
BrushDesc *bdesc)
{
GimpPixelRgn src_rgn;
GimpDrawable *brushdrawable;
g_free (bdesc->pv_buf); /* Free old area */
brushdrawable = gimp_drawable_get (layer_ID);
/* Fill the preview with the current brush name */
gimp_pixel_rgn_init (&src_rgn, brushdrawable,
0, 0, bdesc->width, bdesc->height, FALSE, FALSE);
bdesc->pv_buf = g_new (guchar, bdesc->width * bdesc->height * 3);
bdesc->x_off = bdesc->y_off = 0; /* Start from top left */
gimp_pixel_rgn_get_rect (&src_rgn, bdesc->pv_buf,
0, 0, bdesc->width, bdesc->height);
/* Dump the pv_buf into the preview area */
gfig_brush_fill_preview_xy (pw, 0, 0);
}
static void
mygimp_brush_set (const gchar *name)
{
if (!gimp_brushes_set_brush (name))
{
g_message ("Can't set brush...(1)");
}
}
static gchar *
mygimp_brush_get (void)
{
gint width, height, spacing;
return gimp_brushes_get_brush (&width, &height, &spacing);
}
static void
mygimp_brush_info (gint *width,
gint *height)
{
char *name;
gint spacing;
name = gimp_brushes_get_brush (width, height, &spacing);
if (name)
{
*width = MAX (*width, 32);
*height = MAX (*height, 32);
g_free (name);
}
else
{
g_message ("Failed to get brush info");
*width = *height = 48;
}
}
void
gfig_paint (BrushType brush_type,
gint32 drawable_ID,
gint seg_count,
gdouble line_pnts[])
{
switch (brush_type)
{
case BRUSH_BRUSH_TYPE:
gimp_paintbrush (drawable_ID,
selvals.brushfade,
seg_count, line_pnts,
GIMP_PAINT_CONSTANT,
selvals.brushgradient);
break;
case BRUSH_PENCIL_TYPE:
gimp_pencil (drawable_ID,
seg_count, line_pnts);
break;
case BRUSH_AIRBRUSH_TYPE:
gimp_airbrush (drawable_ID,
selvals.airbrushpressure,
seg_count, line_pnts);
break;
case BRUSH_PATTERN_TYPE:
gimp_clone (drawable_ID,
drawable_ID,
GIMP_PATTERN_CLONE,
0.0, 0.0,
seg_count, line_pnts);
break;
}
}
static gint32
gfig_gen_brush_preview (BrushDesc *bdesc)
{
/* Given the name of a brush then paint it and return the ID of the image
* the preview can be got from
*/
static gint32 layer_ID = -1;
gchar *saved_name;
gint32 width, height;
gdouble line_pnts[2];
GimpRGB foreground;
GimpRGB background;
GimpRGB color;
if (brush_image_ID == -1)
{
/* Create a new image */
brush_image_ID = gimp_image_new (48, 48, 0);
if (brush_image_ID < 0)
{
g_message ("Failed to generate brush preview");
return -1;
}
if ((layer_ID = gimp_layer_new (brush_image_ID,
"Brush preview",
48,
48,
GIMP_RGB_IMAGE,
100.0, /* opacity */
GIMP_NORMAL_MODE)) < 0)
{
g_message ("Error in creating layer for brush preview");
return -1;
}
gimp_image_add_layer (brush_image_ID, layer_ID, -1);
}
/* Need this later to delete it */
/* Store foreground & backgroud colours set to black/white
* paint with brush
* restore colours
*/
gimp_palette_get_foreground (&foreground);
gimp_palette_get_background (&background);
saved_name = mygimp_brush_get ();
gimp_rgba_set (&color, 1.0, 1.0, 1.0, 1.0);
gimp_palette_set_background (&color);
gimp_rgba_set (&color, 0.0, 0.0, 0.0, 1.0);
gimp_palette_set_foreground (&color);
mygimp_brush_set (bdesc->name);
mygimp_brush_info (&width, &height);
bdesc->width = width;
bdesc->height = height;
line_pnts[0] = (gdouble) width / 2;
line_pnts[1] = (gdouble) height / 2;
gimp_layer_resize (layer_ID, width, height, 0, 0);
gimp_image_resize (brush_image_ID, width, height, 0, 0);
gimp_drawable_fill (layer_ID, GIMP_BACKGROUND_FILL);
/* Blob of paint */
gfig_paint (selvals.brshtype,
layer_ID,
2, line_pnts);
gimp_palette_set_background (&background);
gimp_palette_set_foreground (&foreground);
mygimp_brush_set (saved_name);
g_free (saved_name);
return layer_ID;
}
static void
brush_list_button_callback (BrushDesc *bdesc)
{
gint32 layer_ID;
if ((layer_ID = gfig_gen_brush_preview (bdesc)) != -1)
{
g_object_set_data (G_OBJECT (brush_page_pw), "brush-desc", bdesc);
gfig_brush_fill_preview (brush_page_pw, layer_ID, bdesc);
gtk_widget_queue_draw (brush_page_pw);
}
}
/* Build the dialog up. This was the hard part! */
static GtkWidget *page_menu_bg;
static GtkWidget *page_menu_layers;
static void
paint_menu_callback (GtkWidget *widget,
gpointer data)
{
gint mtype = GPOINTER_TO_INT (data);
if (mtype == PAINT_LAYERS_MENU)
{
selvals.onlayers = (DrawonLayers)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
#ifdef DEBUG
printf ("layer type set to %s\n",
selvals.onlayers == SINGLE_LAYER ? "SINGLE_LAYER" : "MULTI_LAYER");
#endif /* DEBUG */
/* Type only meaningful if creating new layers */
if (selvals.onlayers == ORIGINAL_LAYER)
gtk_widget_set_sensitive (page_menu_bg, FALSE);
else
gtk_widget_set_sensitive (page_menu_bg, TRUE);
}
else if (mtype == PAINT_BGS_MENU)
{
selvals.onlayerbg = (LayersBGType)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
#ifdef DEBUG
printf ("BG type = %d\n", selvals.onlayerbg);
#endif /* DEBUG */
}
else if (mtype == PAINT_TYPE_MENU)
{
selvals.painttype = (PaintType)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
#ifdef DEBUG
printf ("Got type menu = %d\n", selvals.painttype);
#endif /* DEBUG */
switch (selvals.painttype)
{
case PAINT_BRUSH_TYPE:
gtk_widget_set_sensitive (select_page_widget, FALSE);
gtk_widget_set_sensitive (brush_page_widget, TRUE);
gtk_widget_set_sensitive (page_menu_layers, TRUE);
if (selvals.onlayers == ORIGINAL_LAYER)
gtk_widget_set_sensitive (page_menu_bg, FALSE);
else
gtk_widget_set_sensitive (page_menu_bg, TRUE);
break;
case PAINT_SELECTION_TYPE:
gtk_widget_set_sensitive (select_page_widget, TRUE);
gtk_widget_set_sensitive (brush_page_widget, FALSE);
gtk_widget_set_sensitive (page_menu_layers, FALSE);
gtk_widget_set_sensitive (page_menu_bg, FALSE);
break;
case PAINT_SELECTION_FILL_TYPE:
gtk_widget_set_sensitive (select_page_widget, TRUE);
gtk_widget_set_sensitive (brush_page_widget, FALSE);
gtk_widget_set_sensitive (page_menu_layers, TRUE);
if (selvals.onlayers == ORIGINAL_LAYER)
gtk_widget_set_sensitive (page_menu_bg, FALSE);
else
gtk_widget_set_sensitive (page_menu_bg, TRUE);
break;
default:
break;
}
}
}
static GtkWidget *
paint_page (void)
{
GtkWidget *table;
GtkWidget *vbox;
GtkWidget *vbox2;
GtkWidget *hbox;
GtkWidget *toggle;
GtkWidget *page_menu_type;
GtkWidget *scale_scale;
GtkObject *scale_scale_data;
GtkWidget *item1, *item2, *item3;
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
table = gtk_table_new (5, 2, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
page_menu_layers =
gimp_int_option_menu_new (FALSE, G_CALLBACK (paint_menu_callback),
GINT_TO_POINTER (PAINT_LAYERS_MENU), 0,
_("Original"), ORIGINAL_LAYER, NULL,
_("New"), SINGLE_LAYER, NULL,
_("Multiple"), MULTI_LAYER, NULL,
NULL);
gimp_help_set_help_data (page_menu_layers,
_("Draw all objects on one layer (original or new) "
"or one object per layer"), NULL);
if (gimp_drawable_is_channel (gfig_drawable))
gtk_widget_set_sensitive (page_menu_layers, FALSE);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Draw on:"), 1.0, 0.5,
page_menu_layers, 1, TRUE);
page_menu_type =
gimp_int_option_menu_new (FALSE, G_CALLBACK (paint_menu_callback),
GINT_TO_POINTER (PAINT_TYPE_MENU), 0,
_("Brush"), PAINT_BRUSH_TYPE, &item1,
_("Selection"), PAINT_SELECTION_TYPE, &item2,
_("Selection+Fill"), PAINT_SELECTION_FILL_TYPE, &item3,
NULL);
gimp_help_set_help_data (page_menu_type,
_("Draw type. Either a brush or a selection. "
"See brush page or selection page for more options"),
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Using:"), 1.0, 0.5,
page_menu_type, 1, TRUE);
page_menu_bg =
gimp_int_option_menu_new (FALSE, G_CALLBACK (paint_menu_callback),
GINT_TO_POINTER (PAINT_BGS_MENU), 0,
_("Transparent"), LAYER_TRANS_BG, NULL,
_("Background"), LAYER_BG_BG, NULL,
_("Foreground"), LAYER_FG_BG, NULL,
_("White"), LAYER_WHITE_BG, NULL,
_("Copy"), LAYER_COPY_BG, NULL,
NULL);
gimp_help_set_help_data (page_menu_bg,
_("Layer background type. Copy causes previous "
"layer to be copied before the draw is performed"),
NULL);
gtk_widget_set_sensitive (page_menu_bg, FALSE);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("With BG of:"), 1.0, 0.5,
page_menu_bg, 1, TRUE);
toggle = gtk_check_button_new_with_label (_("Reverse Line"));
gtk_table_attach (GTK_TABLE (table), toggle, 0, 1, 4, 5,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.reverselines);
gimp_help_set_help_data (toggle,
_("Draw lines in reverse order"), NULL);
gtk_widget_show (toggle);
vbox2 = gtk_vbox_new (FALSE, 0);
gtk_table_attach (GTK_TABLE (table), vbox2, 0, 1, 3, 4,
GTK_FILL, GTK_FILL, 0, 0);
gtk_widget_show (vbox2);
toggle = gtk_check_button_new_with_label (_("Scale to Image"));
gtk_box_pack_end (GTK_BOX (vbox2), toggle, FALSE, FALSE, 0);
gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (toggle),
selvals.scaletoimage);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gfig_scale2img_update),
&selvals.scaletoimage);
gimp_help_set_help_data (toggle,
_("Scale drawings to images size"), NULL);
gtk_widget_show (toggle);
hbox = gtk_hbox_new (FALSE, 1);
scale_scale_data = gtk_adjustment_new (1.0, 0.1, 5.0, 0.01, 0.01, 0.0);
scale_scale = gtk_hscale_new (GTK_ADJUSTMENT (scale_scale_data));
gtk_box_pack_start (GTK_BOX (hbox), scale_scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale_scale), GTK_POS_TOP);
gtk_scale_set_digits (GTK_SCALE (scale_scale), 2);
gtk_range_set_update_policy (GTK_RANGE (scale_scale), GTK_UPDATE_CONTINUOUS);
g_signal_connect (scale_scale_data, "value_changed",
G_CALLBACK (gfig_scale_update_scale),
&selvals.scaletoimagefp);
gtk_widget_show (scale_scale);
gtk_widget_show (hbox);
gtk_table_attach (GTK_TABLE (table), hbox, 1, 2, 3, 4,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_set_sensitive (GTK_WIDGET (scale_scale), FALSE);
g_object_set_data (G_OBJECT (toggle), "inverse_sensitive", scale_scale);
g_object_set_data (G_OBJECT (toggle), "user_data", scale_scale_data);
toggle = gtk_check_button_new_with_label (_("Approx. Circles/Ellipses"));
gtk_table_attach (GTK_TABLE (table), toggle, 1, 2, 4, 5,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.approxcircles);
gimp_help_set_help_data (toggle,
_("Approx. circles & ellipses using lines. Allows "
"the use of brush fading with these types of "
"objects."), NULL);
gtk_widget_show (toggle);
return vbox;
}
static void
gfig_brush_invoker (const gchar *name,
gdouble opacity,
gint spacing,
GimpLayerModeEffects paint_mode,
gint width,
gint height,
const guchar *mask_data,
gboolean closing,
gpointer data)
{
BrushDesc *bdesc = (BrushDesc *) data;
g_free (bdesc->name);
bdesc->name = g_strdup (name);
bdesc->width = width;
bdesc->height = height;
bdesc->opacity = opacity;
bdesc->spacing = spacing;
bdesc->paint_mode = paint_mode;
brush_list_button_callback (bdesc);
if (closing)
bdesc->popup = NULL;
}
static void
select_brush_callback (GtkWidget *widget,
gpointer data)
{
BrushDesc *bdesc = (BrushDesc *) data;
if (bdesc->popup)
/* calling gimp_brushes_set_popup() raises the dialog */
gimp_brushes_set_popup (bdesc->popup,
bdesc->name,
bdesc->opacity,
bdesc->spacing,
bdesc->paint_mode);
else
bdesc->popup = gimp_brush_select_new (_("Gfig Brush Selection"),
bdesc->name,
100.0, /* opacity */
-1, /* spacing */
GIMP_NORMAL_MODE,
gfig_brush_invoker,
bdesc);
brush_list_button_callback (bdesc);
}
static GtkWidget *
brush_page (void)
{
GtkWidget *table;
GtkWidget *label;
GtkWidget *pw;
GtkWidget *scale;
GtkObject *fade_out_scale_data;
GtkObject *gradient_scale_data;
GtkObject *pressure_scale_data;
GtkWidget *vbox;
GtkWidget *button;
BrushDesc *bdesc = g_new0 (BrushDesc, 1); /* Initial brush settings */
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
table = gtk_table_new (2, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* Fade option */
/* the fade-out scale From GIMP itself*/
fade_out_hbox = gtk_hbox_new (FALSE, 4);
label = gtk_label_new (_("Fade out:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_box_pack_start (GTK_BOX (fade_out_hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
fade_out_scale_data = gtk_adjustment_new (0.0, 0.0, 3000.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (fade_out_scale_data));
gtk_box_pack_start (GTK_BOX (fade_out_hbox), scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (fade_out_scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&selvals.brushfade);
gtk_widget_show (scale);
gtk_table_attach (GTK_TABLE (table), fade_out_hbox, 0, 2, 1, 2,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show (fade_out_hbox);
/* Gradient drawing */
gradient_hbox = gtk_hbox_new (FALSE, 4);
label = gtk_label_new (_("Gradient:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_box_pack_start (GTK_BOX (gradient_hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gradient_scale_data = gtk_adjustment_new (0.0, 0.0, 3000.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (gradient_scale_data));
gtk_box_pack_start (GTK_BOX (gradient_hbox), scale, TRUE, TRUE, 0);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (gradient_scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&selvals.brushgradient);
gtk_widget_show (scale);
gtk_table_attach (GTK_TABLE (table), gradient_hbox, 0, 2, 2, 3,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
gtk_widget_show (gradient_hbox);
pressure_hbox = gtk_hbox_new (FALSE, 4);
label = gtk_label_new (_("Pressure:"));
gtk_misc_set_alignment (GTK_MISC (label), 1.0, 1.0);
gtk_box_pack_start (GTK_BOX (pressure_hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
pressure_scale_data = gtk_adjustment_new (20.0, 0.0, 100.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (pressure_scale_data));
gtk_box_pack_start (GTK_BOX (pressure_hbox), scale, TRUE, TRUE, 0);
gtk_widget_show (scale);
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (pressure_scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&selvals.airbrushpressure);
gtk_table_attach (GTK_TABLE (table), pressure_hbox, 0, 2, 1, 2,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
pencil_hbox = gtk_hbox_new (FALSE, 4);
label = gtk_label_new (_("No Options..."));
gtk_box_pack_start (GTK_BOX (pencil_hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
gtk_table_attach (GTK_TABLE (table), pencil_hbox, 0, 2, 1, 2,
GTK_FILL | GTK_EXPAND, GTK_FILL, 0, 0);
/* Preview widget */
pw = gfig_brush_preview (&brush_page_pw);
gtk_table_attach (GTK_TABLE (table), pw, 0, 1, 0, 1, 0, 0, 0, 0);
g_signal_connect (pressure_scale_data, "value_changed",
G_CALLBACK (gfig_brush_update_preview),
brush_page_pw);
/* Start of new brush selection code */
brush_sel_button = button = gtk_button_new_with_label (_("Set Brush..."));
gtk_misc_set_padding (GTK_MISC (GTK_BIN (brush_sel_button)->child), 2, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (select_brush_callback),
bdesc);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
NULL, 0, 0,
button, 1, TRUE);
/* Setup initial brush settings */
bdesc->name = mygimp_brush_get ();
brush_list_button_callback (bdesc);
return vbox;
}
static void
select_menu_callback (GtkWidget *widget,
gpointer data)
{
gint mtype = GPOINTER_TO_INT (data);
if (mtype == SELECT_TYPE_MENU)
{
SelectionType type = (SelectionType)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
selopt.type = type;
}
else if (mtype == SELECT_ARCTYPE_MENU)
{
ArcType type = (ArcType)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
selopt.as_pie = type;
}
else if (mtype == SELECT_TYPE_MENU_FILL)
{
FillType type = (FillType)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
selopt.fill_type = type;
}
else if (mtype == SELECT_TYPE_MENU_WHEN)
{
FillWhen type = (FillWhen)
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
selopt.fill_when = type;
}
}
static GtkWidget *
select_page (void)
{
GtkWidget *menu;
GtkWidget *toggle;
GtkWidget *scale;
GtkObject *scale_data;
GtkWidget *table;
GtkWidget *vbox;
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
table = gtk_table_new (4, 4, FALSE);
gtk_table_set_row_spacings (GTK_TABLE (table), 4);
gtk_table_set_col_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* The secltion settings -
* 1) Type (option menu)
* 2) Anti A (toggle)
* 3) Feather (toggle)
* 4) F radius (slider)
* 5) Fill type (option menu)
* 6) Opacity (slider)
* 7) When to fill (toggle)
* 8) Arc as segment/sector
*/
/* 1 */
menu = gimp_int_option_menu_new (FALSE, G_CALLBACK (select_menu_callback),
GINT_TO_POINTER (SELECT_TYPE_MENU), 0,
_("Add"), ADD, NULL,
_("Subtract"), SUBTRACT, NULL,
_("Replace"), REPLACE, NULL,
_("Intersect"), INTERSECT, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
_("Selection Type:"), 1.0, 0.5,
menu, 1, FALSE);
/* 2 */
toggle = gtk_check_button_new_with_label (_("Antialiasing"));
gtk_table_attach (GTK_TABLE (table), toggle, 2, 4, 0, 1,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selopt.antia);
gtk_widget_show (toggle);
/* 3 */
toggle = gtk_check_button_new_with_label (_("Feather"));
gtk_table_attach (GTK_TABLE (table), toggle, 2, 4, 2, 3,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selopt.feather);
gtk_widget_show (toggle);
/* 4 */
scale_data =
gtk_adjustment_new (selopt.feather_radius, 0.0, 100.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (scale_data));
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&selopt.feather_radius);
gimp_table_attach_aligned (GTK_TABLE (table), 2, 3,
_("Radius:"), 1.0, 1.0,
scale, 1, FALSE);
/* 5 */
menu =
gimp_int_option_menu_new (FALSE, G_CALLBACK (select_menu_callback),
GINT_TO_POINTER (SELECT_TYPE_MENU_FILL), 0,
_("Pattern"), FILL_PATTERN, NULL,
_("Foreground"), FILL_FOREGROUND, NULL,
_("Background"), FILL_BACKGROUND, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Fill Type:"), 1.0, 0.5,
menu, 1, FALSE);
/* 6 */
scale_data =
gtk_adjustment_new (selopt.fill_opacity, 0.0, 100.0, 1.0, 1.0, 0.0);
scale = gtk_hscale_new (GTK_ADJUSTMENT (scale_data));
gtk_scale_set_value_pos (GTK_SCALE (scale), GTK_POS_TOP);
gtk_range_set_update_policy (GTK_RANGE (scale), GTK_UPDATE_DELAYED);
g_signal_connect (scale_data, "value_changed",
G_CALLBACK (gimp_double_adjustment_update),
&selopt.fill_opacity);
gimp_table_attach_aligned (GTK_TABLE (table), 2, 1,
_("Fill Opacity:"), 1.0, 1.0,
scale, 1, FALSE);
/* 7 */
menu =
gimp_int_option_menu_new (FALSE, G_CALLBACK (select_menu_callback),
GINT_TO_POINTER (SELECT_TYPE_MENU_WHEN), 0,
_("Each Selection"), FILL_EACH, NULL,
_("All Selections"), FILL_AFTER, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("Fill after:"), 1.0, 0.5,
menu, 1, FALSE);
/* 8 */
menu = gimp_int_option_menu_new (FALSE, G_CALLBACK (select_menu_callback),
GINT_TO_POINTER (SELECT_ARCTYPE_MENU), 0,
_("Segment"), ARC_SEGMENT, NULL,
_("Sector"), ARC_SECTOR, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 3,
_("Arc as:"), 1.0, 0.5,
menu, 1, FALSE);
return vbox;
}
static void
gridtype_menu_callback (GtkWidget *widget,
gpointer data)
{
gint mtype = GPOINTER_TO_INT (data);
if (mtype == GRID_TYPE_MENU)
{
selvals.opts.gridtype =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
}
else
{
grid_gc_type =
GPOINTER_TO_INT (g_object_get_data (G_OBJECT (widget),
"gimp-item-data"));
}
draw_grid_clear ();
}
static GtkWidget *
options_page (void)
{
GtkWidget *table;
GtkWidget *menu;
GtkWidget *toggle;
GtkWidget *button;
GtkWidget *vbox;
GtkObject *size_data;
vbox = gtk_vbox_new (FALSE, 0);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 4);
table = gtk_table_new (6, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
/* Put buttons in */
toggle = gtk_check_button_new_with_label (_("Show Image"));
gtk_table_attach (GTK_TABLE (table), toggle, 0, 1, 0, 1,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.showimage);
g_signal_connect (toggle, "toggled",
G_CALLBACK (toggle_show_image),
NULL);
gtk_widget_show (toggle);
button = gtk_button_new_with_label (_("Reload Image"));
gtk_misc_set_padding (GTK_MISC (GTK_BIN (button)->child), 2, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (reload_button_callback),
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 0,
NULL, 0, 0,
button, 1, TRUE);
menu = gimp_int_option_menu_new (FALSE, G_CALLBACK (gridtype_menu_callback),
GINT_TO_POINTER (GRID_TYPE_MENU), 0,
_("Rectangle"), RECT_GRID, NULL,
_("Polar"), POLAR_GRID, NULL,
_("Isometric"), ISO_GRID, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 1,
_("Grid Type:"), 1.0, 0.5,
menu, 1, TRUE);
gfig_opt_widget.gridtypemenu = menu;
menu =
gimp_int_option_menu_new (FALSE, G_CALLBACK (gridtype_menu_callback),
GINT_TO_POINTER (GRID_RENDER_MENU), 0,
_("Normal"), GTK_STATE_NORMAL, NULL,
_("Black"), GFIG_BLACK_GC, NULL,
_("White"), GFIG_WHITE_GC, NULL,
_("Grey"), GFIG_GREY_GC, NULL,
_("Darker"), GTK_STATE_ACTIVE, NULL,
_("Lighter"), GTK_STATE_PRELIGHT, NULL,
_("Very Dark"), GTK_STATE_SELECTED, NULL,
NULL);
gimp_table_attach_aligned (GTK_TABLE (table), 0, 2,
_("Grid Color:"), 1.0, 0.5,
menu, 1, TRUE);
size_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 3,
_("Max Undo:"), 0, 50,
selvals.maxundo, MIN_UNDO, MAX_UNDO, 1, 2, 0,
TRUE, 0, 0,
NULL, NULL);
g_signal_connect (size_data, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&selvals.maxundo);
toggle = gtk_check_button_new_with_label (_("Show Position"));
gtk_table_attach (GTK_TABLE (table), toggle, 0, 1, 4, 5,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.showpos);
g_signal_connect_after (toggle, "toggled",
G_CALLBACK (gfig_pos_enable),
NULL);
gtk_widget_show (toggle);
toggle = gtk_check_button_new_with_label (_("Hide Control Points"));
gtk_table_attach (GTK_TABLE (table), toggle, 1, 3, 4, 5,
GTK_FILL, GTK_FILL, 0, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.opts.showcontrol);
g_signal_connect (toggle, "toggled",
G_CALLBACK (toggle_show_image),
NULL);
gtk_widget_show (toggle);
gfig_opt_widget.showcontrol = toggle;
button = gtk_button_new_with_label (_("About"));
gtk_misc_set_padding (GTK_MISC (GTK_BIN (button)->child), 8, 0);
gtk_table_attach (GTK_TABLE (table), button, 1, 3, 5, 6,
0, 0, 0, 0);
g_signal_connect (button, "clicked",
G_CALLBACK (about_button_callback),
NULL);
gtk_widget_show (button);
return vbox;
}
static GtkWidget *
grid_frame (void)
{
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *table;
GtkWidget *toggle;
GtkObject *size_data;
frame = gtk_frame_new (_("Grid"));
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 2);
gtk_container_add (GTK_CONTAINER (frame), vbox);
gtk_widget_show (vbox);
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
toggle = gtk_check_button_new_with_label (_("Show Grid"));
gtk_box_pack_start (GTK_BOX (hbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.opts.drawgrid);
g_signal_connect (toggle, "toggled",
G_CALLBACK (draw_grid_clear),
NULL);
gtk_widget_show (toggle);
gfig_opt_widget.drawgrid = toggle;
toggle = gtk_check_button_new_with_label (_("Snap to Grid"));
gtk_box_pack_start (GTK_BOX (hbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.opts.snap2grid);
gtk_widget_show (toggle);
gfig_opt_widget.snap2grid = toggle;
#if 0
/* 17/10/2003 (Maurits): this option is not implemented. Therefore removing
it from the user interface */
toggle = gtk_check_button_new_with_label (_("Lock on Grid"));
gtk_box_pack_start (GTK_BOX (hbox), toggle, FALSE, FALSE, 0);
g_signal_connect (toggle, "toggled",
G_CALLBACK (gimp_toggle_button_update),
&selvals.opts.lockongrid);
gtk_widget_show (toggle);
gfig_opt_widget.lockongrid = toggle;
#endif
table = gtk_table_new (1, 3, FALSE);
gtk_table_set_col_spacings (GTK_TABLE (table), 4);
gtk_table_set_row_spacings (GTK_TABLE (table), 2);
gtk_box_pack_start (GTK_BOX (vbox), table, FALSE, FALSE, 0);
gtk_widget_show (table);
size_data = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
_("Grid spacing:"), 0, 50,
selvals.opts.gridspacing,
MIN_GRID, MAX_GRID, 1, 10, 0,
TRUE, 0, 0,
NULL, NULL);
g_signal_connect (size_data, "value_changed",
G_CALLBACK (gimp_int_adjustment_update),
&selvals.opts.gridspacing);
g_signal_connect (size_data, "value_changed",
G_CALLBACK (draw_grid_clear),
NULL);
gfig_opt_widget.gridspacing = size_data;
gtk_widget_show (frame);
return frame;
}
static void
clear_list_items (GtkList *list)
{
gtk_list_clear_items (list, 0, -1);
}
static void
build_list_items (GtkWidget *list)
{
GList *tmp;
GtkWidget *list_item;
GtkWidget *list_pix;
GFigObj *g;
for (tmp = gfig_list; tmp; tmp = g_list_next (tmp))
{
g = tmp->data;
if (g->obj_status & GFIG_READONLY)
list_pix = gimp_pixmap_new (mini_cross_xpm);
else
list_pix = gimp_pixmap_new (blank_xpm);
list_item =
gfig_list_item_new_with_label_and_pixmap (g, g->draw_name, list_pix);
g_object_set_data (G_OBJECT (list_item), "user_data", g);
gtk_list_append_items (GTK_LIST (list), g_list_append (NULL, list_item));
g_signal_connect (list_item, "button_press_event",
G_CALLBACK (list_button_press),
g);
gtk_widget_show (list_item);
}
}
static GtkWidget *
add_objects_list (void)
{
GtkWidget *frame;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *scrolled_win;
GtkWidget *list;
GtkWidget *button;
frame = gtk_frame_new (_("Object"));
gtk_widget_show (frame);
hbox = gtk_hbox_new (FALSE, 2);
gtk_container_add (GTK_CONTAINER (frame), hbox);
gtk_widget_show (hbox);
gfig_gtk_list = list = gtk_list_new ();
gtk_list_set_selection_mode (GTK_LIST (list), GTK_SELECTION_BROWSE);
gtk_box_pack_start (GTK_BOX (hbox), small_preview (), FALSE, FALSE, 0);
object_list = scrolled_win = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (scrolled_win),
GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (scrolled_win),
list);
gtk_box_pack_start (GTK_BOX (hbox), scrolled_win, TRUE, TRUE, 0);
gtk_widget_show (scrolled_win);
gtk_widget_show (list);
/* Load saved objects */
gfig_list_load_all (gfig_path);
/* Put list in */
build_list_items (list);
/* Put buttons in */
vbox = gtk_vbutton_box_new ();
gtk_box_pack_start (GTK_BOX (hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
button = gtk_button_new_from_stock (GTK_STOCK_NEW);
g_signal_connect (button, "clicked",
G_CALLBACK (new_button_callback),
NULL);
gimp_help_set_help_data (button, _("Create a new Gfig object collection "
"for editing"), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
button = gtk_button_new_from_stock (GTK_STOCK_OPEN);
g_signal_connect (button, "clicked",
G_CALLBACK (load_button_callback),
list);
gimp_help_set_help_data (button,
_("Load a single Gfig object collection"), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
button = gtk_button_new_from_stock (GIMP_STOCK_EDIT);
g_signal_connect (button, "clicked",
G_CALLBACK (edit_button_callback),
list);
gimp_help_set_help_data (button, _("Edit Gfig object collection"), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
button = gtk_button_new_with_mnemonic (_("_Merge"));
g_signal_connect (button, "clicked",
G_CALLBACK (merge_button_callback),
list);
gimp_help_set_help_data (button, _("Merge Gfig Object collection into the "
"current edit session"), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
button = gtk_button_new_from_stock (GTK_STOCK_DELETE);
g_signal_connect (button, "clicked",
G_CALLBACK (gfig_delete_gfig_callback),
list);
gimp_help_set_help_data (button, _("Delete currently selected Gfig Object "
"collection"), NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
button = gtk_button_new_from_stock (GTK_STOCK_REFRESH);
g_signal_connect (button, "clicked",
G_CALLBACK (rescan_button_callback),
NULL);
gimp_help_set_help_data (button,
_("Select folder and rescan Gfig object collections"),
NULL);
gtk_container_add (GTK_CONTAINER (vbox), button);
gtk_widget_show (button);
return frame;
}
#if 0 /* NOT USED */
static void
gfig_obj_size_update (gint sz)
{
static gchar buf[256];
sprintf (buf, "%6d", sz);
gtk_label_set_text (GTK_LABEL (obj_size_label), buf);
}
static GtkWidget *
gfig_obj_size_label (void)
{
GtkWidget *label;
GtkWidget *hbox;
hbox = gtk_hbox_new (TRUE, 6);
/* Position labels */
label = gtk_label_new (_("Size:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
obj_size_label = gtk_label_new ("0");
gtk_misc_set_alignment (GTK_MISC (obj_size_label), 0.5, 0.5);
gtk_box_pack_start (GTK_BOX (hbox), obj_size_label, FALSE, FALSE, 0);
gtk_widget_show (obj_size_label);
gtk_widget_show (hbox);
return (hbox);
}
#endif /* NOT USED */
static gint
gfig_dialog (void)
{
GtkWidget *main_hbox;
GtkWidget *vbox;
GtkWidget *notebook;
GtkWidget *page;
gimp_ui_init ("gfig", TRUE);
gfig_stock_init ();
gfig_path = gimp_gimprc_query ("gfig-path");
if (! gfig_path)
{
gchar *gimprc = gimp_personal_rc_file ("gimprc");
gchar *full_path;
gchar *esc_path;
full_path =
g_strconcat ("${gimp_dir}", G_DIR_SEPARATOR_S, "gfig",
G_SEARCHPATH_SEPARATOR_S,
"${gimp_data_dir}", G_DIR_SEPARATOR_S, "gfig",
NULL);
esc_path = g_strescape (full_path, NULL);
g_free (full_path);
g_message (_("No %s in gimprc:\n"
"You need to add an entry like\n"
"(%s \"%s\")\n"
"to your %s file."),
"gfig-path", "gfig-path", esc_path,
gimp_filename_to_utf8 (gimprc));
g_free (gimprc);
g_free (esc_path);
}
img_width = gimp_drawable_width (gfig_select_drawable->drawable_id);
img_height = gimp_drawable_height (gfig_select_drawable->drawable_id);
/* Start building the dialog up */
top_level_dlg = gimp_dialog_new (_("Gfig"), "gfig",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_UNDO, RESPONSE_UNDO,
GTK_STOCK_CLEAR, RESPONSE_CLEAR,
GTK_STOCK_SAVE, RESPONSE_SAVE,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_CLOSE, GTK_RESPONSE_OK,
_("Paint"), RESPONSE_PAINT,
NULL);
g_signal_connect (top_level_dlg, "response",
G_CALLBACK (gfig_response),
top_level_dlg);
g_signal_connect (top_level_dlg, "destroy",
G_CALLBACK (gtk_main_quit),
NULL);
main_hbox = gtk_hbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (main_hbox), 4);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (top_level_dlg)->vbox), main_hbox,
TRUE, TRUE, 0);
/* Add buttons beside the preview frame */
gtk_box_pack_start (GTK_BOX (main_hbox),
draw_buttons (top_level_dlg), FALSE, FALSE, 0);
/* Preview itself */
gtk_box_pack_start (GTK_BOX (main_hbox), make_preview (), FALSE, FALSE, 0);
gtk_widget_show (gfig_preview);
vbox = gtk_vbox_new (FALSE, 2);
gtk_box_pack_start (GTK_BOX (main_hbox), vbox, FALSE, FALSE, 0);
gtk_widget_show (vbox);
/* listbox + entry */
gtk_box_pack_start (GTK_BOX (vbox), add_objects_list (), TRUE, TRUE, 0);
/* Grid entry */
gtk_box_pack_start (GTK_BOX (vbox), grid_frame (), FALSE, FALSE, 0);
/* The notebook */
notebook = gtk_notebook_new ();
gtk_notebook_set_tab_pos (GTK_NOTEBOOK (notebook), GTK_POS_TOP);
gtk_box_pack_start (GTK_BOX (vbox), notebook, FALSE, FALSE, 0);
gtk_widget_show (notebook);
page = paint_page ();
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page,
gtk_label_new (_("Paint")));
gtk_widget_show (page);
brush_page_widget = brush_page ();
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), brush_page_widget,
gtk_label_new (_("Brush")));
gtk_widget_show (brush_page_widget);
/* Sometime maybe allow all objects to be done by selections - this
* would adjust the selection options.
*/
select_page_widget = select_page ();
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), select_page_widget,
gtk_label_new (_("Select")));
gtk_widget_show (select_page_widget);
gtk_widget_set_sensitive (select_page_widget, FALSE);
page = options_page ();
gtk_notebook_append_page (GTK_NOTEBOOK (notebook), page,
gtk_label_new (_("Options")));
gtk_widget_show (page);
gtk_widget_show (main_hbox);
gtk_widget_show (top_level_dlg);
dialog_update_preview (gfig_select_drawable);
gfig_new_gc (); /* Need this for drawing */
gfig_update_stat_labels ();
gfig_grid_colours (gfig_preview);
/* Popup for list area */
gfig_op_menu_create (top_level_dlg);
gtk_main ();
gimp_image_delete (brush_image_ID);
brush_image_ID = -1;
return gfig_run;
}
static void
gfig_really_ok_callback (GtkWidget *widget,
gboolean doit,
gpointer data)
{
if (doit)
{
gfig_run = TRUE;
gtk_widget_destroy (GTK_WIDGET (data));
}
}
static void
gfig_response (GtkWidget *widget,
gint response_id,
gpointer data)
{
switch (response_id)
{
case RESPONSE_UNDO:
if (undo_water_mark >= 0)
{
/* Free current objects an reinstate previous */
free_all_objs (current_obj->obj_list);
current_obj->obj_list = NULL;
tmp_bezier = tmp_line = obj_creating = NULL;
current_obj->obj_list = undo_table[undo_water_mark];
undo_water_mark--;
/* Update the screen */
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
gfig_obj_modified (current_obj, GFIG_MODIFIED);
current_obj->obj_status |= GFIG_MODIFIED;
}
if (undo_water_mark < 0)
gtk_widget_set_sensitive (widget, FALSE);
break;
case RESPONSE_CLEAR:
/* Make sure we can get back - if we have some objects to get back to */
if (!current_obj->obj_list)
return;
setup_undo ();
/* Free all objects */
free_all_objs (current_obj->obj_list);
current_obj->obj_list = NULL;
obj_creating = NULL;
tmp_line = NULL;
tmp_bezier = NULL;
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
break;
case RESPONSE_SAVE:
gfig_save (widget); /* Save current object */
break;
case GTK_RESPONSE_CLOSE:
{
/* Check if outstanding saves */
GList *list;
GFigObj *gfig;
gint count = 0;
for (list = gfig_list; list; list = g_list_next (list))
{
gfig = (GFigObj *) list->data;
if (gfig->obj_status & GFIG_MODIFIED)
count++;
}
if (count)
{
GtkWidget *dialog;
gchar *message;
message =
g_strdup_printf (_("%d unsaved Gfig objects. "
"Continue with exiting?"), count);
dialog = gimp_query_boolean_box (_("Warning"),
widget,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_DIALOG_WARNING,
message,
GTK_STOCK_OK, GTK_STOCK_CANCEL,
NULL, NULL,
gfig_really_ok_callback,
data);
g_free (message);
gtk_widget_show (dialog);
}
else
{
gfig_run = TRUE;
gtk_widget_destroy (GTK_WIDGET (data));
}
}
break;
case RESPONSE_PAINT:
gfig_paint_callback ();
break;
default:
gtk_widget_destroy (widget);
break;
}
}
static gboolean
pic_preview_expose (GtkWidget *widget,
GdkEvent *event)
{
if (pic_obj)
{
drawing_pic = TRUE;
draw_objects (pic_obj->obj_list, FALSE);
drawing_pic = FALSE;
}
return FALSE;
}
static gint
adjust_pic_coords (gint coord,
gint ratio)
{
/*return ((SMALL_PREVIEW_SZ * coord)/PREVIEW_SIZE);*/
static gint pratio = -1;
if (pratio == -1)
{
pratio = MAX (preview_width, preview_height);
}
return (SMALL_PREVIEW_SZ * coord) / pratio;
}
/*
* The edit gfig name attributes dialog
* Modified from Gimp source - layer edit.
*/
typedef struct _GfigListOptions
{
GtkWidget *query_box;
GtkWidget *name_entry;
GtkWidget *list_entry;
GFigObj *obj;
gboolean created;
} GfigListOptions;
static GtkWidget *
gfig_list_add (GFigObj *obj)
{
GList *list;
gint pos;
GtkWidget *list_item;
GtkWidget *list_pix;
list_pix = gimp_pixmap_new (Floppy6_xpm);
list_item =
gfig_list_item_new_with_label_and_pixmap (obj, obj->draw_name, list_pix);
g_object_set_data (G_OBJECT (list_item), "user_data", obj);
pos = gfig_list_insert (obj);
list = g_list_append (NULL, list_item);
gtk_list_insert_items (GTK_LIST (gfig_gtk_list), list, pos);
gtk_widget_show (list_item);
gtk_list_select_item (GTK_LIST (gfig_gtk_list), pos);
g_signal_connect (list_item, "button_press_event",
G_CALLBACK (list_button_press),
obj);
return list_item;
}
static void
gfig_list_response (GtkWidget *widget,
gint response_id,
GfigListOptions *options)
{
if (response_id == GTK_RESPONSE_OK)
{
GtkWidget *list;
gint pos;
list = options->list_entry;
/* Set the new layer name */
g_free (options->obj->draw_name);
options->obj->draw_name =
g_strdup (gtk_entry_get_text (GTK_ENTRY (options->name_entry)));
/* Need to reorder the list */
/* gtk_label_set_text (GTK_LABEL (options->layer_widget->label), layer->name);*/
pos = gtk_list_child_position (GTK_LIST (gfig_gtk_list), list);
gtk_list_clear_items (GTK_LIST (gfig_gtk_list), pos, pos + 1);
/* remove/Add again */
gfig_list = g_list_remove (gfig_list, options->obj);
gfig_list_add (options->obj);
options->obj->obj_status |= GFIG_MODIFIED;
gfig_update_stat_labels ();
}
else
{
if (options->created)
{
/* We are creating an entry so if cancelled
* must del the list item as well
*/
gfig_do_delete_gfig_callback (widget, TRUE, gfig_gtk_list);
}
}
gtk_widget_destroy (options->query_box);
g_free (options);
}
static void
gfig_dialog_edit_list (GtkWidget *lwidget,
GFigObj *obj,
gboolean created)
{
GfigListOptions *options;
GtkWidget *vbox;
GtkWidget *hbox;
GtkWidget *label;
/* the new options structure */
options = g_new (GfigListOptions, 1);
options->list_entry = lwidget;
options->obj = obj;
options->created = created;
/* the dialog */
options->query_box =
gimp_dialog_new (_("Enter Gfig Object Name"), "gfig",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (options->query_box, "response",
G_CALLBACK (gfig_list_response),
options);
/* the main vbox */
vbox = gtk_vbox_new (FALSE, 2);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 6);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (options->query_box)->vbox), vbox,
FALSE, FALSE, 0);
gtk_widget_show (vbox);
/* the name entry hbox, label and entry */
hbox = gtk_hbox_new (FALSE, 4);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
gtk_widget_show (hbox);
label = gtk_label_new (_("Gfig Object Name:"));
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
gtk_widget_show (label);
options->name_entry = gtk_entry_new ();
gtk_box_pack_start (GTK_BOX (hbox), options->name_entry, TRUE, TRUE, 0);
gtk_entry_set_text (GTK_ENTRY (options->name_entry), obj->draw_name);
gtk_widget_show (options->name_entry);
gtk_widget_show (options->query_box);
}
static void
gfig_rescan_response (GtkWidget *widget,
gint response_id,
gpointer data)
{
if (response_id == GTK_RESPONSE_OK)
{
GtkWidget *patheditor;
gtk_widget_set_sensitive (GTK_WIDGET (data), FALSE);
patheditor = GTK_WIDGET (g_object_get_data (G_OBJECT (data),
"patheditor"));
g_free (gfig_path);
gfig_path = gimp_path_editor_get_path (GIMP_PATH_EDITOR (patheditor));
if (gfig_path)
{
clear_list_items (GTK_LIST (gfig_gtk_list));
gfig_list_load_all (gfig_path);
build_list_items (gfig_gtk_list);
list_button_update (current_obj);
}
}
gtk_widget_destroy (GTK_WIDGET (data));
}
static void
gfig_rescan_list (void)
{
static GtkWidget *dlg = NULL;
GtkWidget *patheditor;
if (dlg)
{
gtk_window_present (GTK_WINDOW (dlg));
return;
}
/* the dialog */
dlg = gimp_dialog_new (_("Rescan for Gfig Objects"), "gfig",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OK, GTK_RESPONSE_OK,
NULL);
g_signal_connect (dlg, "response",
G_CALLBACK (gfig_rescan_response),
dlg);
g_signal_connect (dlg, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&dlg);
patheditor = gimp_path_editor_new (_("Add Gfig Path"), gfig_path);
gtk_container_set_border_width (GTK_CONTAINER (patheditor), 6);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dlg)->vbox), patheditor,
TRUE, TRUE, 0);
gtk_widget_show (patheditor);
g_object_set_data (G_OBJECT (dlg), "patheditor", patheditor);
gtk_widget_show (dlg);
}
void
list_button_update (GFigObj *obj)
{
g_return_if_fail (obj != NULL);
pic_obj = (GFigObj *) obj;
gtk_widget_queue_draw (pic_preview);
drawing_pic = TRUE;
draw_objects (pic_obj->obj_list, FALSE);
drawing_pic = FALSE;
}
static void
gfig_load_file_selection_response (GtkFileSelection *fs,
gint response_id,
gpointer data)
{
if (response_id == GTK_RESPONSE_OK)
{
const gchar *filename;
GFigObj *gfig;
GFigObj *current_saved;
filename = gtk_file_selection_get_filename (fs);
if (g_file_test (filename, G_FILE_TEST_IS_REGULAR))
{
/* Hack - current object MUST be NULL to prevent setup_undo ()
* from kicking in.
*/
current_saved = current_obj;
current_obj = NULL;
gfig = gfig_load (filename, filename);
current_obj = current_saved;
if (gfig)
{
/* Read only ?*/
if (access (filename, W_OK))
gfig->obj_status |= GFIG_READONLY;
gfig_list_add (gfig);
new_obj_2edit (gfig);
}
}
}
gtk_widget_destroy (GTK_WIDGET (fs));
}
static void
load_button_callback (GtkWidget *widget,
gpointer data)
{
static GtkWidget *window = NULL;
/* Load a single object */
window = gtk_file_selection_new (_("Load Gfig object collection"));
gtk_window_set_transient_for (GTK_WINDOW (window),
GTK_WINDOW (gtk_widget_get_toplevel (widget)));
gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_MOUSE);
g_signal_connect (window, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&window);
g_signal_connect (window, "response",
G_CALLBACK (gfig_load_file_selection_response),
window);
gtk_widget_show (window);
}
static void
paint_layer_copy (gchar *new_name)
{
gint32 old_drawable = gfig_drawable;
if ((gfig_drawable = gimp_layer_copy (gfig_drawable)) < 0)
{
g_warning (_("Error in copy layer for onlayers"));
gfig_drawable = old_drawable;
return;
}
gimp_drawable_set_name (gfig_drawable, new_name);
gimp_image_add_layer (gfig_image, gfig_drawable, -1);
}
static void
paint_layer_new (gchar *new_name)
{
GimpFillType fill_type;
GimpImageType type;
gint32 layer_id;
switch (gimp_drawable_type (gfig_select_drawable->drawable_id))
{
case GIMP_GRAYA_IMAGE:
case GIMP_GRAY_IMAGE:
type = GIMP_GRAYA_IMAGE;
break;
default:
type = GIMP_RGBA_IMAGE;
break;
}
if ((layer_id = gimp_layer_new (gfig_image,
new_name,
img_width,
img_height,
type,
100.0, /* opacity */
GIMP_NORMAL_MODE)) < 0)
{
g_warning ("Error in creating layer");
return;
}
gimp_image_add_layer (gfig_image, layer_id, -1);
gfig_drawable = layer_id;
switch (selvals.onlayerbg)
{
case LAYER_TRANS_BG:
fill_type = GIMP_TRANSPARENT_FILL;
break;
case LAYER_BG_BG:
fill_type = GIMP_BACKGROUND_FILL;
break;
case LAYER_FG_BG:
fill_type = GIMP_FOREGROUND_FILL;
break;
case LAYER_WHITE_BG:
fill_type = GIMP_WHITE_FILL;
break;
default:
fill_type = GIMP_BACKGROUND_FILL;
g_warning ("Paint layer new internal error %d\n", selvals.onlayerbg);
break;
}
/* Have to clear layer out since creating transparent layer
* seems to leave rubbish in it.
*/
gimp_drawable_fill (layer_id, fill_type);
}
static void
paint_layer_fill (void)
{
gimp_edit_bucket_fill (gfig_drawable,
selopt.fill_type, /* Fill mode */
GIMP_NORMAL_MODE,
selopt.fill_opacity, /* Fill opacity */
0.0, /* threshold - ignored */
FALSE, /* Sample merged - ignored */
0.0, /* x - ignored */
0.0); /* y - ignored */
}
static void
gfig_paint_callback (void)
{
DAllObjs *objs;
gint layer_count = 0;
gchar buf[128];
gint count;
gint ccount = 0;
BrushDesc *bdesc;
objs = current_obj->obj_list;
count = gfig_obj_counts (objs);
#if 0
gtk_progress_bar_update (GTK_PROGRESS_BAR (progress_widget), (gfloat) 0.0);
#endif
/* Set the brush up */
bdesc = g_object_get_data (G_OBJECT (brush_page_pw), "brush-desc");
if (bdesc)
mygimp_brush_set (bdesc->name);
gimp_image_undo_group_start (gfig_image);
while (objs)
{
if (ccount == obj_show_single || obj_show_single == -1)
{
sprintf (buf, _("Gfig Layer %d"), layer_count++);
if (selvals.painttype != PAINT_SELECTION_TYPE)
{
switch (selvals.onlayers)
{
case SINGLE_LAYER:
if (layer_count == 1)
{
if (selvals.onlayerbg == LAYER_COPY_BG)
paint_layer_copy (buf);
else
paint_layer_new (buf);
}
break;
case MULTI_LAYER:
if (selvals.onlayerbg == LAYER_COPY_BG)
paint_layer_copy (buf);
else
paint_layer_new (buf);
break;
case ORIGINAL_LAYER:
/* Just use the given layer */
break;
default:
g_warning ("Error in onlayers val %d", selvals.onlayers);
break;
}
}
objs->obj->paintfunc (objs->obj);
/* Fill layer if required */
if (selvals.painttype == PAINT_SELECTION_FILL_TYPE
&& selopt.fill_when == FILL_EACH)
paint_layer_fill ();
}
objs = objs->next;
ccount++;
}
/* Fill layer if required */
if (selvals.painttype == PAINT_SELECTION_FILL_TYPE
&& selopt.fill_when == FILL_AFTER)
paint_layer_fill ();
gimp_image_undo_group_end (gfig_image);
gimp_displays_flush ();
}
static void
reload_button_callback (GtkWidget *widget,
gpointer data)
{
refill_cache (gfig_select_drawable);
draw_grid_clear ();
}
static void
about_button_callback (GtkWidget *widget,
gpointer data)
{
GtkWidget *window;
GtkWidget *label;
GtkWidget *hbox;
GtkWidget *vbox;
GtkWidget *image;
window = gimp_dialog_new (_("About Gfig"), "gfig",
NULL, 0,
gimp_standard_help_func, HELP_ID,
GTK_STOCK_CLOSE, GTK_RESPONSE_CLOSE,
NULL);
g_signal_connect (window, "response",
G_CALLBACK (gtk_widget_destroy),
NULL);
image = gtk_image_new_from_stock (GFIG_STOCK_LOGO, GTK_ICON_SIZE_DIALOG);
gtk_widget_show (image);
hbox = gtk_hbox_new (FALSE, 4);
gtk_widget_show (hbox);
vbox = gtk_vbox_new (FALSE, 4);
gtk_container_set_border_width (GTK_CONTAINER (vbox), 8);
gtk_widget_show (vbox);
gtk_box_pack_start (GTK_BOX (hbox), image, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (hbox), vbox, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (window)->vbox),
hbox, TRUE, TRUE, 0);
label = gtk_label_new (_("Gfig - GIMP plug-in"));
gtk_misc_set_padding (GTK_MISC (label), 2, 2);
gtk_widget_show (label);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
label = gtk_label_new (_("Release 2.0"));
gtk_misc_set_padding (GTK_MISC (label), 2, 2);
gtk_widget_show (label);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
label = gtk_label_new ("Andy Thomas");
gtk_misc_set_padding (GTK_MISC (label), 2, 2);
gtk_widget_show (label);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
label = gtk_label_new ("Isometric grid By Rob Saunders");
gtk_misc_set_padding (GTK_MISC (label), 2, 2);
gtk_widget_show (label);
gtk_box_pack_start (GTK_BOX (vbox), label, FALSE, FALSE, 0);
gtk_widget_show (window);
}
static void
rescan_button_callback (GtkWidget *widget,
gpointer data)
{
gfig_rescan_list ();
}
static GtkWidget *
new_gfig_obj (const gchar *name)
{
GFigObj *gfig;
GtkWidget *new_list_item;
/* Create a new entry */
gfig = gfig_new ();
if (!name)
name = _("New Gfig Object");
gfig->draw_name = g_strdup (name);
/* Leave options as before */
pic_obj = current_obj = gfig;
new_list_item = gfig_list_add (gfig);
tmp_bezier = obj_creating = tmp_line = NULL;
/* Redraw areas */
gtk_widget_queue_draw (gfig_preview);
list_button_update (gfig);
return new_list_item;
}
static void
new_button_callback (GtkWidget *widget,
gpointer data)
{
GtkWidget *new_list_item;
new_list_item = new_gfig_obj (NULL);
gfig_dialog_edit_list (new_list_item, current_obj, TRUE);
}
static GtkWidget *delete_dialog = NULL;
static void
gfig_do_delete_gfig_callback (GtkWidget *widget,
gboolean delete,
gpointer data)
{
gint pos;
GList *sellist;
GFigObj *sel_obj;
GtkWidget *list = (GtkWidget *) data;
if (!delete)
{
gtk_widget_set_sensitive (object_list, TRUE);
return;
}
/* Must update which object we are editing */
/* Get the list and which item is selected */
/* Only allow single selections */
sellist = GTK_LIST (list)->selection;
sel_obj = (GFigObj *) g_object_get_data (G_OBJECT (sellist->data),
"user_data");
pos = gtk_list_child_position (GTK_LIST (gfig_gtk_list), sellist->data);
/* Delete the current item + asssociated file */
gtk_list_clear_items (GTK_LIST (gfig_gtk_list), pos, pos + 1);
/* Shadow copy for ordering info */
gfig_list = g_list_remove (gfig_list, sel_obj);
if (sel_obj == current_obj)
{
clear_undo ();
}
/* Free current obj */
gfig_free_everything (sel_obj);
/* Select previous one */
pos--;
if (pos < 0)
{
if (g_list_length (gfig_list) == 0)
{
/* Warning - we have a problem here
* since we are not really "creating an entry"
* why call gfig_new?
*/
new_button_callback (NULL, NULL);
}
pos = 0;
}
gtk_widget_set_sensitive (object_list, TRUE);
gtk_list_select_item (GTK_LIST (gfig_gtk_list), pos);
current_obj = g_list_nth (gfig_list, pos)->data;
gtk_widget_queue_draw (gfig_preview);
list_button_update (current_obj);
gfig_update_stat_labels ();
}
static void
gfig_delete_gfig_callback (GtkWidget *widget,
gpointer data)
{
gchar *str;
GtkWidget *list = (GtkWidget *) data;
GList *sellist;
GFigObj *sel_obj;
sellist = GTK_LIST (list)->selection;
sel_obj = (GFigObj *) g_object_get_data (G_OBJECT (sellist->data),
"user_data");
if (delete_dialog)
return;
str = g_strdup_printf (_("Are you sure you want to delete "
"\"%s\" from the list and from disk?"),
sel_obj->draw_name);
delete_dialog = gimp_query_boolean_box (_("Delete Gfig Drawing"),
gtk_widget_get_toplevel (list),
gimp_standard_help_func, HELP_ID,
FALSE,
str,
GTK_STOCK_DELETE, GTK_STOCK_CANCEL,
NULL, NULL,
gfig_do_delete_gfig_callback,
data);
g_free (str);
g_signal_connect (delete_dialog, "destroy",
G_CALLBACK (gtk_widget_destroyed),
&delete_dialog);
gtk_widget_set_sensitive (GTK_WIDGET (object_list), FALSE);
gtk_widget_show (delete_dialog);
}
static void
new_obj_2edit (GFigObj *obj)
{
GFigObj *old_current = current_obj;
/* Clear undo levels */
/* redraw the preview */
/* Set up options as define in the selected object */
clear_undo ();
/* Point at this one */
current_obj = obj;
/* Show all objects to start with */
obj_show_single = -1;
/* Change options */
update_options (old_current);
/* If have old object and NOT scaleing currently then force
* back to saved coord type.
*/
gfig_update_stat_labels ();
/* redraw with new */
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
if (obj->obj_status & GFIG_READONLY)
{
g_message (_("Editing read-only object - "
"you will not be able to save it"));
gtk_dialog_set_response_sensitive (GTK_DIALOG (top_level_dlg),
RESPONSE_SAVE, FALSE);
}
else
{
gtk_dialog_set_response_sensitive (GTK_DIALOG (top_level_dlg),
RESPONSE_SAVE, TRUE);
}
}
static void
edit_button_callback (GtkWidget *widget,
gpointer data)
{
GList *sellist;
GFigObj *sel_obj;
GtkWidget *list = (GtkWidget *) data;
/* Must update which object we are editing */
/* Get the list and which item is selected */
/* Only allow single selections */
sellist = GTK_LIST (list)->selection;
sel_obj = (GFigObj *) g_object_get_data (G_OBJECT (sellist->data),
"user_data");
if (sel_obj)
new_obj_2edit (sel_obj);
}
static void
merge_button_callback (GtkWidget *widget,
gpointer data)
{
GList *sellist;
GFigObj *sel_obj;
DAllObjs *obj_copies;
GtkWidget *list = (GtkWidget *) data;
/* Must update which object we are editing */
/* Get the list and which item is selected */
/* Only allow single selections */
sellist = GTK_LIST (list)->selection;
sel_obj = (GFigObj *) g_object_get_data (G_OBJECT (sellist->data),
"user_data");
if (sel_obj && sel_obj->obj_list && sel_obj != current_obj)
{
/* Copy list tag onto current & redraw */
obj_copies = copy_all_objs (sel_obj->obj_list);
prepend_to_all_obj (current_obj, obj_copies);
/* redraw all */
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
}
}
static void
gfig_save_menu_callback (GtkWidget *widget,
gpointer data)
{
GFigObj * real_current = current_obj;
/* Fiddle the current object and save it */
/* What happens if we get a redraw here ? */
current_obj = gfig_obj_for_menu;
gfig_save (GTK_WIDGET (data)); /* Save current object */
current_obj = real_current;
}
static void
gfig_edit_menu_callback (GtkWidget *widget,
gpointer data)
{
new_obj_2edit (gfig_obj_for_menu);
}
static void
gfig_rename_menu_callback (GtkWidget *widget,
gpointer data)
{
create_file_selection (gfig_obj_for_menu, gfig_obj_for_menu->filename,
gtk_widget_get_toplevel (widget));
}
static void
gfig_copy_menu_callback (GtkWidget *widget,
gpointer data)
{
/* Create new entry with name + copy at end & copy object into it */
gchar *new_name = g_strdup_printf (_("%s copy"),
gfig_obj_for_menu->draw_name);
new_gfig_obj (new_name);
g_free (new_name);
/* Copy objs across */
current_obj->obj_list = copy_all_objs (gfig_obj_for_menu->obj_list);
current_obj->opts = gfig_obj_for_menu->opts; /* Structure copy */
/* redraw all */
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
}
static void
gfig_op_menu_create (GtkWidget *window)
{
GtkWidget *menu_item;
#if 0
GtkAcceleratorTable *accelerator_table;
#endif /* 0 */
gfig_op_menu = gtk_menu_new ();
#if 0
accelerator_table = gtk_accelerator_table_new ();
gtk_menu_set_accelerator_table (GTK_MENU (gfig_op_menu),
accelerator_table);
gtk_window_add_accelerator_table (GTK_WINDOW (window), accelerator_table);
#endif /* 0 */
menu_item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SAVE, NULL);
save_menu_item = menu_item;
gtk_menu_shell_append (GTK_MENU_SHELL (gfig_op_menu), menu_item);
gtk_widget_show (menu_item);
g_signal_connect (menu_item, "activate",
G_CALLBACK (gfig_save_menu_callback),
window);
#if 0
gtk_widget_install_accelerator (menu_item,
accelerator_table,
"activate", 'S', 0);
#endif /* 0 */
menu_item = gtk_image_menu_item_new_from_stock (GTK_STOCK_SAVE_AS, NULL);
gtk_menu_shell_append (GTK_MENU_SHELL (gfig_op_menu), menu_item);
gtk_widget_show (menu_item);
g_signal_connect (menu_item, "activate",
G_CALLBACK (gfig_rename_menu_callback),
NULL);
#if 0
gtk_widget_install_accelerator (menu_item,
accelerator_table,
"activate", 'A', 0);
#endif /* 0 */
menu_item = gtk_image_menu_item_new_from_stock (GTK_STOCK_COPY, NULL);
gtk_menu_shell_append (GTK_MENU_SHELL (gfig_op_menu), menu_item);
gtk_widget_show (menu_item);
g_signal_connect (menu_item, "activate",
G_CALLBACK (gfig_copy_menu_callback),
NULL);
#if 0
gtk_widget_install_accelerator (menu_item,
accelerator_table,
"activate", 'C', 0);
#endif /* 0 */
menu_item = gtk_image_menu_item_new_from_stock (GIMP_STOCK_EDIT, NULL);
gtk_menu_shell_append (GTK_MENU_SHELL (gfig_op_menu), menu_item);
gtk_widget_show (menu_item);
g_signal_connect (menu_item, "activate",
G_CALLBACK (gfig_edit_menu_callback),
NULL);
#if 0
gtk_widget_install_accelerator (menu_item,
accelerator_table,
"activate", 'E', 0);
#endif /* 0 */
}
static void
gfig_op_menu_popup (gint button,
guint32 activate_time,
GFigObj *obj)
{
gfig_obj_for_menu = obj; /* Static data again!*/
if (obj->obj_status & GFIG_READONLY)
{
gtk_widget_set_sensitive (save_menu_item, FALSE);
}
else
{
gtk_widget_set_sensitive (save_menu_item, TRUE);
}
gtk_menu_popup (GTK_MENU (gfig_op_menu),
NULL, NULL, NULL, NULL,
button, activate_time);
}
static gboolean
list_button_press (GtkWidget *widget,
GdkEventButton *event,
gpointer data)
{
switch (event->type)
{
case GDK_BUTTON_PRESS:
if (event->button == 3)
{
gfig_op_menu_popup (event->button, event->time, (GFigObj *) data);
return FALSE;
}
list_button_update ((GFigObj *) data);
break;
case GDK_2BUTTON_PRESS:
gfig_dialog_edit_list (widget, data, FALSE);
break;
default:
g_warning ("gfig: unknown event.\n");
break;
}
return FALSE;
}
static void
gfig_scale_update_scale (GtkAdjustment *adjustment,
gdouble *value)
{
gimp_double_adjustment_update (adjustment, value);
if (!selvals.scaletoimage)
{
scale_x_factor = (1 / (*value)) * org_scale_x_factor;
scale_y_factor = (1 / (*value)) * org_scale_y_factor;
gtk_widget_queue_draw (gfig_preview);
}
}
/* Use to toggle the toggles */
static void
gfig_scale2img_update (GtkWidget *widget,
gpointer data)
{
gimp_toggle_button_update (widget, data);
if (*((gint *) data))
{
GtkObject *adj;
adj = g_object_get_data (G_OBJECT (widget), "user_data");
scale_x_factor = org_scale_x_factor;
scale_y_factor = org_scale_y_factor;
gtk_adjustment_set_value (GTK_ADJUSTMENT (adj), 1.0);
gtk_widget_queue_draw (gfig_preview);
}
}
static void
gfig_new_gc (void)
{
GdkColor fg, bg;
/* create a new graphics context */
gfig_gc = gdk_gc_new (gfig_preview->window);
gdk_gc_set_function (gfig_gc, GDK_INVERT);
fg.pixel = 0xFFFFFFFF;
bg.pixel = 0x00000000;
gdk_gc_set_foreground (gfig_gc, &fg);
gdk_gc_set_background (gfig_gc, &bg);
gdk_gc_set_line_attributes (gfig_gc, 1,
GDK_LINE_SOLID, GDK_CAP_BUTT, GDK_JOIN_MITER);
}
/* Given a point x, y draw a circle */
void
draw_circle (GdkPoint *p)
{
if (!selvals.opts.showcontrol || drawing_pic)
return;
gdk_draw_arc (gfig_preview->window,
gfig_gc,
0,
p->x - SQ_SIZE/2,
p->y - SQ_SIZE/2,
SQ_SIZE,
SQ_SIZE,
0,
360*64);
}
/* Given a point x, y draw a square around it */
void
draw_sqr (GdkPoint *p)
{
if (!selvals.opts.showcontrol || drawing_pic)
return;
gdk_draw_rectangle (gfig_preview->window,
gfig_gc,
0,
gfig_scale_x (p->x) - SQ_SIZE/2,
gfig_scale_y (p->y) - SQ_SIZE/2,
SQ_SIZE,
SQ_SIZE);
}
/* Draw the grid on the screen
*/
void
draw_grid_clear ()
{
/* wipe slate and start again */
dialog_update_preview (gfig_select_drawable);
gtk_widget_queue_draw (gfig_preview);
}
static void
toggle_show_image (void)
{
/* wipe slate and start again */
draw_grid_clear ();
}
void
toggle_obj_type (GtkWidget *widget,
gpointer data)
{
static GdkCursor *p_cursors[DEL_OBJ + 1];
GdkCursorType ctype = GDK_LAST_CURSOR;
if (selvals.otype != (DobjType) GPOINTER_TO_INT (data))
{
/* Mem leak */
obj_creating = NULL;
tmp_line = NULL;
tmp_bezier = NULL;
if ((DobjType)data < MOVE_OBJ)
{
obj_show_single = -1; /* Cancel select preview */
}
/* Update draw areas */
gtk_widget_queue_draw (gfig_preview);
/* And preview */
list_button_update (current_obj);
}
selvals.otype = (DobjType) GPOINTER_TO_INT (data);
switch (selvals.otype)
{
case LINE:
case CIRCLE:
case ELLIPSE:
case ARC:
case POLY:
case STAR:
case SPIRAL:
case BEZIER:
default:
ctype = GDK_CROSSHAIR;
break;
case MOVE_OBJ:
case MOVE_POINT:
case COPY_OBJ:
case MOVE_COPY_OBJ:
ctype = GDK_DIAMOND_CROSS;
break;
case DEL_OBJ:
ctype = GDK_PIRATE;
break;
}
if (!p_cursors[selvals.otype])
{
GdkDisplay *display = gtk_widget_get_display (widget);
p_cursors[selvals.otype] = gdk_cursor_new_for_display (display, ctype);
}
gdk_window_set_cursor (gfig_preview->window, p_cursors[selvals.otype]);
}
static void
do_gfig (void)
{
/* Not sure if requre post proc - leave stub in */
}
/* This could belong in a separate file ... but makes it easier to lump into
* one when compiling the plugin.
*/
/* Stuff for the generation/deletion of objects. */
/* Objects are easy one they are created - you just go down the object
* list calling the draw function for each object but... when they
* are been created we have to be a little more careful. When
* the first point is placed on the canvas we create the object,
* the mouse position then defines the next point that can move around.
* careful how we draw this position.
*/
void
free_one_obj (Dobject *obj)
{
d_delete_dobjpoints (obj->points);
g_free (obj);
}
static void
free_all_objs (DAllObjs * objs)
{
/* Free all objects */
DAllObjs * next;
while (objs)
{
free_one_obj (objs->obj);
next = objs->next;
g_free (objs);
objs = next;
}
}
gchar *
get_line (gchar *buf,
gint s,
FILE *from,
gint init)
{
gint slen;
char * ret;
if (init)
line_no = 1;
else
line_no++;
do
{
ret = fgets (buf, s, from);
} while (!ferror (from) && buf[0] == '#');
slen = strlen (buf);
/* The last newline is a pain */
if (slen > 0)
buf[slen - 1] = '\0';
if (ferror (from))
{
g_warning (_("Error reading file"));
return (0);
}
#ifdef DEBUG
printf ("Processing line '%s'\n", buf);
#endif /* DEBUG */
return (ret);
}
static void
clear_undo (void)
{
int lv;
for (lv = undo_water_mark; lv >= 0; lv--)
{
free_all_objs (undo_table[lv]);
undo_table[lv] = NULL;
}
undo_water_mark = -1;
gtk_dialog_set_response_sensitive (GTK_DIALOG (top_level_dlg),
RESPONSE_UNDO, FALSE);
}
void
setup_undo (void)
{
/* Copy object list to undo buffer */
#if DEBUG
printf ("setup undo level [%d]\n", undo_water_mark);
#endif /*DEBUG*/
if (!current_obj)
{
/* If no current_obj must be loading -> no undo */
return;
}
if (undo_water_mark >= selvals.maxundo - 1)
{
int loop;
/* the little one in the bed said "roll over".. */
if (undo_table[0])
free_one_obj (undo_table[0]->obj);
for (loop = 0; loop < undo_water_mark; loop++)
{
undo_table[loop] = undo_table[loop + 1];
}
}
else
{
undo_water_mark++;
}
undo_table[undo_water_mark] = copy_all_objs (current_obj->obj_list);
gtk_dialog_set_response_sensitive (GTK_DIALOG (top_level_dlg),
RESPONSE_UNDO, TRUE);
gfig_obj_modified (current_obj, GFIG_MODIFIED);
current_obj->obj_status |= GFIG_MODIFIED;
}
/* Given a number of float co-ords adjust for scaling back to org size */
/* Size is number of PAIRS of points */
/* FP + int varients */
static void
scale_to_orginal_x (gdouble *list)
{
*list *= scale_x_factor;
}
static gint
gfig_scale_x (gint x)
{
if (!selvals.scaletoimage)
return (gint) (x * (1 / scale_x_factor));
else
return x;
}
static void
scale_to_orginal_y (gdouble *list)
{
*list *= scale_y_factor;
}
static gint
gfig_scale_y (gint y)
{
if (!selvals.scaletoimage)
return (gint) (y * (1 / scale_y_factor));
else
return y;
}
/* Pairs x followed by y */
void
scale_to_original_xy (gdouble *list,
gint size)
{
gint i;
for (i = 0; i < size * 2; i += 2)
{
scale_to_orginal_x (&list[i]);
scale_to_orginal_y (&list[i + 1]);
}
}
/* Pairs x followed by y */
void
scale_to_xy (gdouble *list,
gint size)
{
gint i;
for (i = 0; i < size * 2; i += 2)
{
list[i] *= (org_scale_x_factor / scale_x_factor);
list[i + 1] *= (org_scale_y_factor / scale_y_factor);
}
}
/* Given an list of PAIRS of doubles reverse the list */
/* Size is number of pairs to swap */
void
reverse_pairs_list (gdouble *list,
gint size)
{
gint i;
struct cs
{
gdouble i1;
gdouble i2;
} copyit, *orglist;
orglist = (struct cs *) list;
/* Uses struct copies */
for (i = 0; i < size / 2; i++)
{
copyit = orglist[i];
orglist[i] = orglist[size - 1 - i];
orglist[size - 1 - i] = copyit;
}
}
void
gfig_draw_arc (gint x, gint y, gint width, gint height, gint angle1,
gint angle2)
{
if (drawing_pic)
{
gdk_draw_arc (pic_preview->window,
pic_preview->style->black_gc,
FALSE,
adjust_pic_coords (x - width, preview_width),
adjust_pic_coords (y - height, preview_height),
adjust_pic_coords (2 * width, preview_width),
adjust_pic_coords (2 * height, preview_height),
angle1 * 64,
angle2 * 64);
}
else
{
gdk_draw_arc (gfig_preview->window,
gfig_gc,
FALSE,
gfig_scale_x (x - width),
gfig_scale_y (y - height),
gfig_scale_x (2 * width),
gfig_scale_y (2 * height),
angle1 * 64,
angle2 * 64);
}
}
void
gfig_draw_line (gint x0, gint y0, gint x1, gint y1)
{
if (drawing_pic)
{
gdk_draw_line (pic_preview->window,
pic_preview->style->black_gc,
adjust_pic_coords (x0, preview_width),
adjust_pic_coords (y0, preview_height),
adjust_pic_coords (x1, preview_width),
adjust_pic_coords (y1, preview_height));
}
else
{
gdk_draw_line (gfig_preview->window,
gfig_gc,
gfig_scale_x (x0),
gfig_scale_y (y0),
gfig_scale_x (x1),
gfig_scale_y (y1));
}
}
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