blob: bbcc31c2d2bc635a43a2daae842076f03b7731dd [file] [log] [blame]
/*
* Copyright (C) 2008 Inigo Martinez <inigomartinez@gmail.com>
*
* 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, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <gtk/gtk.h>
#include <string.h>
#include "annots.h"
#include "utils.h"
enum {
ANNOTS_TYPE_COLUMN,
ANNOTS_COLOR_COLUMN,
ANNOTS_FLAG_INVISIBLE_COLUMN,
ANNOTS_FLAG_HIDDEN_COLUMN,
ANNOTS_FLAG_PRINT_COLUMN,
ANNOTS_COLUMN,
N_COLUMNS
};
enum {
SELECTED_TYPE_COLUMN,
SELECTED_LABEL_COLUMN,
SELECTED_N_COLUMNS
};
typedef struct
{
const guint type;
const gchar *label;
} Annotations;
static Annotations supported_annots[] = {
{ POPPLER_ANNOT_TEXT, "Text" },
{ POPPLER_ANNOT_LINE, "Line" },
{ POPPLER_ANNOT_SQUARE, "Square" },
{ POPPLER_ANNOT_CIRCLE, "Circle" },
{ POPPLER_ANNOT_HIGHLIGHT, "Highlight" },
{ POPPLER_ANNOT_UNDERLINE, "Underline" },
{ POPPLER_ANNOT_SQUIGGLY, "Squiggly" },
{ POPPLER_ANNOT_STRIKE_OUT, "Strike Out" },
};
typedef enum {
MODE_NORMAL, /* Regular use as pointer in the page */
MODE_ADD, /* To add simple annotations */
MODE_EDIT, /* To move/edit an annotation */
MODE_DRAWING /* To add annotations that require mouse interactions */
} ModeType;
typedef struct {
PopplerDocument *doc;
PopplerPage *page;
PopplerAnnot *active_annot;
GtkWidget *tree_view;
GtkListStore *model;
GtkWidget *darea;
GtkWidget *annot_view;
GtkWidget *timer_label;
GtkWidget *remove_button;
GtkWidget *type_selector;
GtkWidget *main_box;
gint num_page;
gint annot_type;
ModeType mode;
cairo_surface_t *surface;
GdkRGBA annot_color;
GdkPoint start;
GdkPoint stop;
GdkCursorType cursor;
guint annotations_idle;
} PgdAnnotsDemo;
static void pgd_annots_viewer_queue_redraw (PgdAnnotsDemo *demo);
static void
pgd_annots_free (PgdAnnotsDemo *demo)
{
if (!demo)
return;
if (demo->annotations_idle > 0) {
g_source_remove (demo->annotations_idle);
demo->annotations_idle = 0;
}
if (demo->doc) {
g_object_unref (demo->doc);
demo->doc = NULL;
}
if (demo->page) {
g_object_unref (demo->page);
demo->page = NULL;
}
if (demo->model) {
g_object_unref (demo->model);
demo->model = NULL;
}
g_free (demo);
}
static GtkWidget *
pgd_annot_view_new (void)
{
GtkWidget *frame, *label;
frame = gtk_frame_new (NULL);
gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE);
label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (label), "<b>Annotation Properties</b>");
gtk_frame_set_label_widget (GTK_FRAME (frame), label);
gtk_widget_show (label);
return frame;
}
const gchar *
get_annot_type (PopplerAnnot *poppler_annot)
{
switch (poppler_annot_get_annot_type (poppler_annot))
{
case POPPLER_ANNOT_TEXT:
return "Text";
case POPPLER_ANNOT_LINK:
return "Link";
case POPPLER_ANNOT_FREE_TEXT:
return "Free Text";
case POPPLER_ANNOT_LINE:
return "Line";
case POPPLER_ANNOT_SQUARE:
return "Square";
case POPPLER_ANNOT_CIRCLE:
return "Circle";
case POPPLER_ANNOT_POLYGON:
return "Polygon";
case POPPLER_ANNOT_POLY_LINE:
return "Poly Line";
case POPPLER_ANNOT_HIGHLIGHT:
return "Highlight";
case POPPLER_ANNOT_UNDERLINE:
return "Underline";
case POPPLER_ANNOT_SQUIGGLY:
return "Squiggly";
case POPPLER_ANNOT_STRIKE_OUT:
return "Strike Out";
case POPPLER_ANNOT_STAMP:
return "Stamp";
case POPPLER_ANNOT_CARET:
return "Caret";
case POPPLER_ANNOT_INK:
return "Ink";
case POPPLER_ANNOT_POPUP:
return "Popup";
case POPPLER_ANNOT_FILE_ATTACHMENT:
return "File Attachment";
case POPPLER_ANNOT_SOUND:
return "Sound";
case POPPLER_ANNOT_MOVIE:
return "Movie";
case POPPLER_ANNOT_WIDGET:
return "Widget";
case POPPLER_ANNOT_SCREEN:
return "Screen";
case POPPLER_ANNOT_PRINTER_MARK:
return "Printer Mark";
case POPPLER_ANNOT_TRAP_NET:
return "Trap Net";
case POPPLER_ANNOT_WATERMARK:
return "Watermark";
case POPPLER_ANNOT_3D:
return "3D";
default:
break;
}
return "Unknown";
}
GdkPixbuf *
get_annot_color (PopplerAnnot *poppler_annot)
{
PopplerColor *poppler_color;
if ((poppler_color = poppler_annot_get_color (poppler_annot))) {
GdkPixbuf *pixbuf_tmp, *pixbuf;
pixbuf_tmp = pgd_pixbuf_new_for_color (poppler_color);
pixbuf = gdk_pixbuf_scale_simple(pixbuf_tmp, 16, 16, GDK_INTERP_BILINEAR);
g_object_unref (pixbuf_tmp);
g_free (poppler_color);
return pixbuf;
}
return NULL;
}
gchar *
get_markup_date (PopplerAnnotMarkup *poppler_annot)
{
GDate *date;
struct tm t;
time_t timet;
date = poppler_annot_markup_get_date (poppler_annot);
if (!date)
return NULL;
g_date_to_struct_tm (date, &t);
g_date_free (date);
timet = mktime (&t);
return timet == (time_t) - 1 ? NULL : pgd_format_date (timet);
}
const gchar *
get_markup_reply_to (PopplerAnnotMarkup *poppler_annot)
{
switch (poppler_annot_markup_get_reply_to (poppler_annot))
{
case POPPLER_ANNOT_MARKUP_REPLY_TYPE_R:
return "Type R";
case POPPLER_ANNOT_MARKUP_REPLY_TYPE_GROUP:
return "Type Group";
default:
break;
}
return "Unknown";
}
const gchar *
get_markup_external_data (PopplerAnnotMarkup *poppler_annot)
{
switch (poppler_annot_markup_get_external_data (poppler_annot))
{
case POPPLER_ANNOT_EXTERNAL_DATA_MARKUP_3D:
return "Markup 3D";
default:
break;
}
return "Unknown";
}
const gchar *
get_text_state (PopplerAnnotText *poppler_annot)
{
switch (poppler_annot_text_get_state (poppler_annot))
{
case POPPLER_ANNOT_TEXT_STATE_MARKED:
return "Marked";
case POPPLER_ANNOT_TEXT_STATE_UNMARKED:
return "Unmarked";
case POPPLER_ANNOT_TEXT_STATE_ACCEPTED:
return "Accepted";
case POPPLER_ANNOT_TEXT_STATE_REJECTED:
return "Rejected";
case POPPLER_ANNOT_TEXT_STATE_CANCELLED:
return "Cancelled";
case POPPLER_ANNOT_TEXT_STATE_COMPLETED:
return "Completed";
case POPPLER_ANNOT_TEXT_STATE_NONE:
return "None";
case POPPLER_ANNOT_TEXT_STATE_UNKNOWN:
return "Unknown";
default:
break;
}
return "Unknown";
}
const gchar *
get_free_text_quadding (PopplerAnnotFreeText *poppler_annot)
{
switch (poppler_annot_free_text_get_quadding (poppler_annot))
{
case POPPLER_ANNOT_FREE_TEXT_QUADDING_LEFT_JUSTIFIED:
return "Left Justified";
case POPPLER_ANNOT_FREE_TEXT_QUADDING_CENTERED:
return "Centered";
case POPPLER_ANNOT_FREE_TEXT_QUADDING_RIGHT_JUSTIFIED:
return "Right Justified";
default:
break;
}
return "Unknown";
}
gchar *
get_free_text_callout_line (PopplerAnnotFreeText *poppler_annot)
{
PopplerAnnotCalloutLine *callout;
gchar *text;
if ((callout = poppler_annot_free_text_get_callout_line (poppler_annot))) {
text = g_strdup_printf ("%f,%f,%f,%f", callout->x1,
callout->y1,
callout->x2,
callout->y2);
if (callout->multiline)
text = g_strdup_printf ("%s,%f,%f", text,
callout->x3,
callout->y3);
return text;
}
return NULL;
}
static void
pgd_annots_update_cursor (PgdAnnotsDemo *demo,
GdkCursorType cursor_type)
{
GdkCursor *cursor = NULL;
if (cursor_type == demo->cursor)
return;
if (cursor_type != GDK_LAST_CURSOR) {
cursor = gdk_cursor_new_for_display (gtk_widget_get_display (demo->main_box),
cursor_type);
}
demo->cursor = cursor_type;
gdk_window_set_cursor (gtk_widget_get_window (demo->main_box), cursor);
gdk_display_flush (gtk_widget_get_display (demo->main_box));
if (cursor)
g_object_unref (cursor);
}
static void
pgd_annots_start_add_annot (GtkWidget *button,
PgdAnnotsDemo *demo)
{
GtkTreeModel *model;
GtkTreeIter iter;
gtk_combo_box_get_active_iter (GTK_COMBO_BOX (demo->type_selector), &iter);
model = gtk_combo_box_get_model (GTK_COMBO_BOX (demo->type_selector));
gtk_tree_model_get (model, &iter,
SELECTED_TYPE_COLUMN, &(demo->annot_type),
-1);
demo->mode = MODE_ADD;
pgd_annots_update_cursor (demo, GDK_TCROSS);
}
static void
pgd_annots_remove_annot (GtkWidget *button,
PgdAnnotsDemo *demo)
{
GtkTreeSelection *selection;
GtkTreeModel *model;
GtkTreeIter iter;
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (demo->tree_view));
if (gtk_tree_selection_get_selected (selection, &model, &iter)) {
PopplerAnnot *annot;
gtk_tree_model_get (model, &iter,
ANNOTS_COLUMN, &annot,
-1);
poppler_page_remove_annot (demo->page, annot);
g_object_unref (annot);
gtk_list_store_remove (GTK_LIST_STORE (model), &iter);
pgd_annots_viewer_queue_redraw (demo);
}
}
static void
pgd_annot_view_set_annot_markup (GtkWidget *table,
PopplerAnnotMarkup *markup,
gint *row)
{
gchar *text;
PopplerRectangle rect;
text = poppler_annot_markup_get_label (markup);
pgd_table_add_property (GTK_GRID (table), "<b>Label:</b>", text, row);
g_free (text);
if (poppler_annot_markup_has_popup (markup)) {
pgd_table_add_property (GTK_GRID (table), "<b>Popup is open:</b>",
poppler_annot_markup_get_popup_is_open (markup) ? "Yes" : "No", row);
poppler_annot_markup_get_popup_rectangle (markup, &rect);
text = g_strdup_printf ("X1: %.2f, Y1: %.2f, X2: %.2f, Y2: %.2f",
rect.x1, rect.y1, rect.x2, rect.y2);
pgd_table_add_property (GTK_GRID (table), "<b>Popup Rectangle:</b>", text, row);
g_free (text);
}
text = g_strdup_printf ("%f", poppler_annot_markup_get_opacity (markup));
pgd_table_add_property (GTK_GRID (table), "<b>Opacity:</b>", text, row);
g_free (text);
text = get_markup_date (markup);
pgd_table_add_property (GTK_GRID (table), "<b>Date:</b>", text, row);
g_free (text);
text = poppler_annot_markup_get_subject (markup);
pgd_table_add_property (GTK_GRID (table), "<b>Subject:</b>", text, row);
g_free (text);
pgd_table_add_property (GTK_GRID (table), "<b>Reply To:</b>", get_markup_reply_to (markup), row);
pgd_table_add_property (GTK_GRID (table), "<b>External Data:</b>", get_markup_external_data (markup), row);
}
static void
pgd_annot_view_set_annot_text (GtkWidget *table,
PopplerAnnotText *annot,
gint *row)
{
gchar *text;
pgd_table_add_property (GTK_GRID (table), "<b>Is open:</b>",
poppler_annot_text_get_is_open (annot) ? "Yes" : "No", row);
text = poppler_annot_text_get_icon (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Icon:</b>", text, row);
g_free (text);
pgd_table_add_property (GTK_GRID (table), "<b>State:</b>", get_text_state (annot), row);
}
static void
pgd_annot_color_changed (GtkButton *button,
GParamSpec *pspec,
PgdAnnotsDemo *demo)
{
gtk_color_chooser_get_rgba (GTK_COLOR_CHOOSER (button), &demo->annot_color);
}
static void
pgd_annot_view_set_annot_text_markup (GtkWidget *table,
PopplerAnnotTextMarkup *annot,
gint *row)
{
gint i;
gchar *text = NULL;
gchar *prev_text = NULL;
GArray *quads_array = NULL;
PopplerQuadrilateral quadrilateral;
quads_array = poppler_annot_text_markup_get_quadrilaterals (annot);
prev_text = g_strdup ("");
for (i = 0; i < quads_array->len; i++) {
quadrilateral = g_array_index (quads_array, PopplerQuadrilateral, i);
text = g_strdup_printf ("%s%2d:(%.2f,%.2f) (%.2f,%.2f)\n"
" (%.2f,%.2f) (%.2f,%.2f)\n",
prev_text, i+1,
quadrilateral.p1.x, quadrilateral.p1.y,
quadrilateral.p2.x, quadrilateral.p2.y,
quadrilateral.p3.x, quadrilateral.p3.y,
quadrilateral.p4.x, quadrilateral.p4.y);
g_free (prev_text);
prev_text = text;
}
text = g_strchomp (text);
pgd_table_add_property (GTK_GRID (table), "<b>Quadrilaterals:</b>", text, row);
g_array_free (quads_array, TRUE);
g_free (text);
}
static void
pgd_annot_view_set_annot_free_text (GtkWidget *table,
PopplerAnnotFreeText *annot,
gint *row)
{
gchar *text;
pgd_table_add_property (GTK_GRID (table), "<b>Quadding:</b>", get_free_text_quadding (annot), row);
text = get_free_text_callout_line (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Callout:</b>", text, row);
g_free (text);
}
static void
pgd_annots_file_attachment_save_dialog_response (GtkFileChooser *file_chooser,
gint response,
PopplerAttachment *attachment)
{
gchar *filename;
GError *error = NULL;
if (response != GTK_RESPONSE_ACCEPT) {
g_object_unref (attachment);
gtk_widget_destroy (GTK_WIDGET (file_chooser));
return;
}
filename = gtk_file_chooser_get_filename (file_chooser);
if (!poppler_attachment_save (attachment, filename, &error)) {
g_warning ("%s", error->message);
g_error_free (error);
}
g_free (filename);
g_object_unref (attachment);
gtk_widget_destroy (GTK_WIDGET (file_chooser));
}
static void
pgd_annot_save_file_attachment_button_clicked (GtkButton *button,
PopplerAnnotFileAttachment *annot)
{
GtkWidget *file_chooser;
PopplerAttachment *attachment;
attachment = poppler_annot_file_attachment_get_attachment (annot);
if (!attachment)
return;
file_chooser = gtk_file_chooser_dialog_new ("Save attachment",
GTK_WINDOW (gtk_widget_get_toplevel (GTK_WIDGET (button))),
GTK_FILE_CHOOSER_ACTION_SAVE,
"_Cancel", GTK_RESPONSE_CANCEL,
"_Save", GTK_RESPONSE_ACCEPT,
NULL);
gtk_file_chooser_set_current_name (GTK_FILE_CHOOSER (file_chooser), attachment->name);
g_signal_connect (G_OBJECT (file_chooser), "response",
G_CALLBACK (pgd_annots_file_attachment_save_dialog_response),
(gpointer) attachment);
gtk_widget_show (file_chooser);
}
static void
pgd_annot_view_set_annot_file_attachment (GtkWidget *table,
PopplerAnnotFileAttachment *annot,
gint *row)
{
GtkWidget *button;
gchar *text;
text = poppler_annot_file_attachment_get_name (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Attachment Name:</b>", text, row);
g_free (text);
button = gtk_button_new_with_label ("Save Attachment");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (pgd_annot_save_file_attachment_button_clicked),
(gpointer)annot);
pgd_table_add_property_with_custom_widget (GTK_GRID (table), "<b>File Attachment:</b>", button, row);
gtk_widget_show (button);
}
static void
pgd_annot_view_set_annot_movie (GtkWidget *table,
PopplerAnnotMovie *annot,
gint *row)
{
GtkWidget *movie_view;
gchar *text;
text = poppler_annot_movie_get_title (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Movie Title:</b>", text, row);
g_free (text);
movie_view = pgd_movie_view_new ();
pgd_movie_view_set_movie (movie_view, poppler_annot_movie_get_movie (annot));
pgd_table_add_property_with_custom_widget (GTK_GRID (table), "<b>Movie:</b>", movie_view, row);
gtk_widget_show (movie_view);
}
static void
pgd_annot_view_set_annot_screen (GtkWidget *table,
PopplerAnnotScreen *annot,
gint *row)
{
GtkWidget *action_view;
action_view = pgd_action_view_new (NULL);
pgd_action_view_set_action (action_view, poppler_annot_screen_get_action (annot));
pgd_table_add_property_with_custom_widget (GTK_GRID (table), "<b>Action:</b>", action_view, row);
gtk_widget_show (action_view);
}
static void
pgd_annot_view_set_annot (PgdAnnotsDemo *demo,
PopplerAnnot *annot)
{
GtkWidget *table;
gint row = 0;
gchar *text;
time_t timet;
PopplerRectangle rect;
table = gtk_bin_get_child (GTK_BIN (demo->annot_view));
if (table) {
gtk_container_remove (GTK_CONTAINER (demo->annot_view), table);
}
if (!annot)
return;
table = gtk_grid_new ();
gtk_widget_set_margin_top (table, 5);
gtk_widget_set_margin_bottom (table, 5);
#if GTK_CHECK_VERSION(3, 12, 0)
gtk_widget_set_margin_start (table, 8);
gtk_widget_set_margin_end (table, 5);
#else
gtk_widget_set_margin_left (table, 8);
gtk_widget_set_margin_right (table, 5);
#endif
gtk_grid_set_column_spacing (GTK_GRID (table), 6);
gtk_grid_set_row_spacing (GTK_GRID (table), 6);
text = poppler_annot_get_contents (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Contents:</b>", text, &row);
g_free (text);
text = poppler_annot_get_name (annot);
pgd_table_add_property (GTK_GRID (table), "<b>Name:</b>", text, &row);
g_free (text);
text = poppler_annot_get_modified (annot);
if (poppler_date_parse (text, &timet)) {
g_free (text);
text = pgd_format_date (timet);
}
pgd_table_add_property (GTK_GRID (table), "<b>Modified:</b>", text, &row);
g_free (text);
poppler_annot_get_rectangle (annot, &rect);
text = g_strdup_printf ("(%.2f;%.2f) (%.2f;%.2f)", rect.x1, rect.y1, rect.x2, rect.y2);
pgd_table_add_property (GTK_GRID (table), "<b>Coords:</b>", text, &row);
g_free (text);
if (POPPLER_IS_ANNOT_MARKUP (annot))
pgd_annot_view_set_annot_markup (table, POPPLER_ANNOT_MARKUP (annot), &row);
switch (poppler_annot_get_annot_type (annot))
{
case POPPLER_ANNOT_TEXT:
pgd_annot_view_set_annot_text (table, POPPLER_ANNOT_TEXT (annot), &row);
break;
case POPPLER_ANNOT_HIGHLIGHT:
case POPPLER_ANNOT_UNDERLINE:
case POPPLER_ANNOT_SQUIGGLY:
case POPPLER_ANNOT_STRIKE_OUT:
pgd_annot_view_set_annot_text_markup (table, POPPLER_ANNOT_TEXT_MARKUP (annot), &row);
break;
case POPPLER_ANNOT_FREE_TEXT:
pgd_annot_view_set_annot_free_text (table, POPPLER_ANNOT_FREE_TEXT (annot), &row);
break;
case POPPLER_ANNOT_FILE_ATTACHMENT:
pgd_annot_view_set_annot_file_attachment (table, POPPLER_ANNOT_FILE_ATTACHMENT (annot), &row);
break;
case POPPLER_ANNOT_MOVIE:
pgd_annot_view_set_annot_movie (table, POPPLER_ANNOT_MOVIE (annot), &row);
break;
case POPPLER_ANNOT_SCREEN:
pgd_annot_view_set_annot_screen (table, POPPLER_ANNOT_SCREEN (annot), &row);
break;
default:
break;
}
gtk_container_add (GTK_CONTAINER (demo->annot_view), table);
gtk_widget_show (table);
}
static void
pgd_annots_add_annot_to_model (PgdAnnotsDemo *demo,
PopplerAnnot *annot,
PopplerRectangle area,
gboolean selected)
{
GtkTreeIter iter;
GdkPixbuf *pixbuf;
PopplerAnnotFlag flags;
pixbuf = get_annot_color (annot);
flags = poppler_annot_get_flags (annot);
gtk_list_store_append (demo->model, &iter);
gtk_list_store_set (demo->model, &iter,
ANNOTS_TYPE_COLUMN, get_annot_type (annot),
ANNOTS_COLOR_COLUMN, pixbuf,
ANNOTS_FLAG_INVISIBLE_COLUMN, (flags & POPPLER_ANNOT_FLAG_INVISIBLE),
ANNOTS_FLAG_HIDDEN_COLUMN, (flags & POPPLER_ANNOT_FLAG_HIDDEN),
ANNOTS_FLAG_PRINT_COLUMN, (flags & POPPLER_ANNOT_FLAG_PRINT),
ANNOTS_COLUMN, annot,
-1);
if (selected) {
GtkTreePath *path;
path = gtk_tree_model_get_path (GTK_TREE_MODEL (demo->model), &iter);
gtk_tree_view_set_cursor (GTK_TREE_VIEW (demo->tree_view), path, NULL, FALSE);
gtk_tree_path_free (path);
}
if (pixbuf)
g_object_unref (pixbuf);
}
static void
pgd_annots_get_annots (PgdAnnotsDemo *demo)
{
GList *mapping, *l;
gint n_fields;
GTimer *timer;
gtk_list_store_clear (demo->model);
pgd_annot_view_set_annot (demo, NULL);
if (demo->page) {
g_object_unref (demo->page);
demo->page = NULL;
}
demo->page = poppler_document_get_page (demo->doc, demo->num_page);
if (!demo->page)
return;
timer = g_timer_new ();
mapping = poppler_page_get_annot_mapping (demo->page);
g_timer_stop (timer);
n_fields = g_list_length (mapping);
if (n_fields > 0) {
gchar *str;
str = g_strdup_printf ("<i>%d annotations found in %.4f seconds</i>",
n_fields, g_timer_elapsed (timer, NULL));
gtk_label_set_markup (GTK_LABEL (demo->timer_label), str);
g_free (str);
} else {
gtk_label_set_markup (GTK_LABEL (demo->timer_label), "<i>No annotations found</i>");
}
g_timer_destroy (timer);
for (l = mapping; l; l = g_list_next (l)) {
PopplerAnnotMapping *amapping;
amapping = (PopplerAnnotMapping *) l->data;
pgd_annots_add_annot_to_model (demo, amapping->annot,
amapping->area, FALSE);
}
poppler_page_free_annot_mapping (mapping);
}
static void
pgd_annots_page_selector_value_changed (GtkSpinButton *spinbutton,
PgdAnnotsDemo *demo)
{
demo->num_page = (gint) gtk_spin_button_get_value (spinbutton) - 1;
pgd_annots_viewer_queue_redraw (demo);
pgd_annots_get_annots (demo);
}
static void
pgd_annots_selection_changed (GtkTreeSelection *treeselection,
PgdAnnotsDemo *demo)
{
GtkTreeModel *model;
GtkTreeIter iter;
if (gtk_tree_selection_get_selected (treeselection, &model, &iter)) {
PopplerAnnot *annot;
gtk_tree_model_get (model, &iter,
ANNOTS_COLUMN, &annot,
-1);
pgd_annot_view_set_annot (demo, annot);
g_object_unref (annot);
gtk_widget_set_sensitive (demo->remove_button, TRUE);
} else {
pgd_annot_view_set_annot (demo, NULL);
gtk_widget_set_sensitive (demo->remove_button, FALSE);
}
}
static void
pgd_annots_flags_toggled (GtkCellRendererToggle *renderer,
gchar *path_str,
PgdAnnotsDemo *demo,
gint column,
PopplerAnnotFlag flag_bit)
{
GtkTreeIter iter;
gboolean fixed;
PopplerAnnot *annot;
PopplerAnnotFlag flags;
GtkTreePath *path = gtk_tree_path_new_from_string (path_str);
GtkTreeModel *model = GTK_TREE_MODEL (demo->model);
gtk_tree_model_get_iter (model, &iter, path);
gtk_tree_model_get (model, &iter, column, &fixed, ANNOTS_COLUMN, &annot,-1);
fixed ^= 1;
flags = poppler_annot_get_flags (annot);
if (fixed)
flags |= flag_bit;
else
flags &= ~flag_bit;
poppler_annot_set_flags (annot, flags);
gtk_list_store_set (GTK_LIST_STORE (model), &iter, column, fixed, -1);
pgd_annot_view_set_annot (demo, annot);
gtk_tree_path_free (path);
pgd_annots_viewer_queue_redraw (demo);
}
static void
pgd_annots_hidden_flag_toggled (GtkCellRendererToggle *renderer,
gchar *path_str,
PgdAnnotsDemo *demo)
{
pgd_annots_flags_toggled (renderer, path_str, demo, ANNOTS_FLAG_HIDDEN_COLUMN, POPPLER_ANNOT_FLAG_HIDDEN);
}
static void
pgd_annots_print_flag_toggled (GtkCellRendererToggle *renderer,
gchar *path_str,
PgdAnnotsDemo *demo)
{
pgd_annots_flags_toggled (renderer, path_str, demo, ANNOTS_FLAG_PRINT_COLUMN, POPPLER_ANNOT_FLAG_PRINT);
}
static void
pgd_annots_invisible_flag_toggled (GtkCellRendererToggle *renderer,
gchar *path_str,
PgdAnnotsDemo *demo)
{
pgd_annots_flags_toggled (renderer, path_str, demo, ANNOTS_FLAG_INVISIBLE_COLUMN, POPPLER_ANNOT_FLAG_INVISIBLE);
}
static inline void
pgd_annots_set_poppler_quad_from_rectangle (PopplerQuadrilateral *quad,
PopplerRectangle *rect)
{
quad->p1.x = rect->x1;
quad->p1.y = rect->y1;
quad->p2.x = rect->x2;
quad->p2.y = rect->y1;
quad->p3.x = rect->x1;
quad->p3.y = rect->y2;
quad->p4.x = rect->x2;
quad->p4.y = rect->y2;
}
static GArray *
pgd_annots_create_quads_array_for_rectangle (PopplerRectangle *rect)
{
GArray *quads_array;
PopplerQuadrilateral *quad;
quads_array = g_array_sized_new (FALSE, FALSE,
sizeof (PopplerQuadrilateral),
1);
g_array_set_size (quads_array, 1);
quad = &g_array_index (quads_array, PopplerQuadrilateral, 0);
pgd_annots_set_poppler_quad_from_rectangle (quad, rect);
return quads_array;
}
static void
pgd_annots_add_annot (PgdAnnotsDemo *demo)
{
PopplerRectangle rect;
PopplerColor color;
PopplerAnnot *annot;
gdouble height;
g_assert (demo->mode == MODE_ADD);
poppler_page_get_size (demo->page, NULL, &height);
rect.x1 = demo->start.x;
rect.y1 = height - demo->start.y;
rect.x2 = demo->stop.x;
rect.y2 = height - demo->stop.y;
color.red = CLAMP ((guint) (demo->annot_color.red * 65535), 0, 65535);
color.green = CLAMP ((guint) (demo->annot_color.green * 65535), 0, 65535);
color.blue = CLAMP ((guint) (demo->annot_color.blue * 65535), 0, 65535);
switch (demo->annot_type) {
case POPPLER_ANNOT_TEXT:
annot = poppler_annot_text_new (demo->doc, &rect);
break;
case POPPLER_ANNOT_LINE: {
PopplerPoint start, end;
start.x = rect.x1;
start.y = rect.y1;
end.x = rect.x2;
end.y = rect.y2;
annot = poppler_annot_line_new (demo->doc, &rect, &start, &end);
}
break;
case POPPLER_ANNOT_SQUARE:
annot = poppler_annot_square_new (demo->doc, &rect);
break;
case POPPLER_ANNOT_CIRCLE:
annot = poppler_annot_circle_new (demo->doc, &rect);
break;
case POPPLER_ANNOT_HIGHLIGHT: {
GArray *quads_array;
quads_array = pgd_annots_create_quads_array_for_rectangle (&rect);
annot = poppler_annot_text_markup_new_highlight (demo->doc, &rect, quads_array);
g_array_free (quads_array, TRUE);
}
break;
case POPPLER_ANNOT_UNDERLINE: {
GArray *quads_array;
quads_array = pgd_annots_create_quads_array_for_rectangle (&rect);
annot = poppler_annot_text_markup_new_underline (demo->doc, &rect, quads_array);
g_array_free (quads_array, TRUE);
}
break;
case POPPLER_ANNOT_SQUIGGLY: {
GArray *quads_array;
quads_array = pgd_annots_create_quads_array_for_rectangle (&rect);
annot = poppler_annot_text_markup_new_squiggly (demo->doc, &rect, quads_array);
g_array_free (quads_array, TRUE);
}
break;
case POPPLER_ANNOT_STRIKE_OUT: {
GArray *quads_array;
quads_array = pgd_annots_create_quads_array_for_rectangle (&rect);
annot = poppler_annot_text_markup_new_strikeout (demo->doc, &rect, quads_array);
g_array_free (quads_array, TRUE);
}
break;
default:
g_assert_not_reached ();
}
demo->active_annot = annot;
poppler_annot_set_color (annot, &color);
poppler_page_add_annot (demo->page, annot);
pgd_annots_add_annot_to_model (demo, annot, rect, TRUE);
g_object_unref (annot);
}
static void
pgd_annots_finish_add_annot (PgdAnnotsDemo *demo)
{
g_assert (demo->mode == MODE_ADD || demo->mode == MODE_DRAWING);
demo->mode = MODE_NORMAL;
demo->start.x = -1;
pgd_annots_update_cursor (demo, GDK_LAST_CURSOR);
pgd_annots_viewer_queue_redraw (demo);
gtk_label_set_text (GTK_LABEL (demo->timer_label), NULL);
}
static void
pgd_annots_update_selected_text (PgdAnnotsDemo *demo)
{
PopplerRectangle doc_area, *rects = NULL, *r = NULL;
gdouble width, height;
GArray *quads_array = NULL;
guint n_rects;
gint i, lines = 0;
GList *l_rects = NULL, *list;
poppler_page_get_size (demo->page, &width, &height);
doc_area.x1 = demo->start.x;
doc_area.y1 = demo->start.y;
doc_area.x2 = demo->stop.x;
doc_area.y2 = demo->stop.y;
if (! poppler_page_get_text_layout_for_area (demo->page, &doc_area,
&rects, &n_rects))
return;
r = g_slice_new (PopplerRectangle);
r->x1 = G_MAXDOUBLE; r->y1 = G_MAXDOUBLE;
r->x2 = G_MINDOUBLE; r->y2 = G_MINDOUBLE;
for (i = 0; i < n_rects; i++) {
/* Check if the rectangle belongs to the same line.
On a new line, start a new target rectangle.
On the same line, make an union of rectangles at
the same line */
if (ABS(r->y2 - rects[i].y2) > 0.0001) {
if (i > 0)
l_rects = g_list_append (l_rects, r);
r = g_slice_new (PopplerRectangle);
r->x1 = rects[i].x1;
r->y1 = rects[i].y1;
r->x2 = rects[i].x2;
r->y2 = rects[i].y2;
lines++;
} else {
r->x1 = MIN(r->x1, rects[i].x1);
r->y1 = MIN(r->y1, rects[i].y1);
r->x2 = MAX(r->x2, rects[i].x2);
r->y2 = MAX(r->y2, rects[i].y2);
}
}
l_rects = g_list_append (l_rects, r);
l_rects = g_list_reverse (l_rects);
quads_array = g_array_sized_new (TRUE, TRUE,
sizeof (PopplerQuadrilateral),
lines);
g_array_set_size (quads_array, lines);
for (list = l_rects, i = 0; list; list = list->next, i++) {
PopplerQuadrilateral *quad;
quad = &g_array_index (quads_array, PopplerQuadrilateral, i);
r = (PopplerRectangle *)list->data;
quad->p1.x = r->x1;
quad->p1.y = height - r->y1;
quad->p2.x = r->x2;
quad->p2.y = height - r->y1;
quad->p3.x = r->x1;
quad->p3.y = height - r->y2;
quad->p4.x = r->x2;
quad->p4.y = height - r->y2;
g_slice_free (PopplerRectangle, r);
}
poppler_annot_text_markup_set_quadrilaterals (POPPLER_ANNOT_TEXT_MARKUP (demo->active_annot), quads_array);
g_array_free (quads_array, TRUE);
g_free (rects);
g_list_free (l_rects);
}
/* Render area */
static cairo_surface_t *
pgd_annots_render_page (PgdAnnotsDemo *demo)
{
cairo_t *cr;
PopplerPage *page;
gdouble width, height;
cairo_surface_t *surface = NULL;
page = poppler_document_get_page (demo->doc, demo->num_page);
if (!page)
return NULL;
poppler_page_get_size (page, &width, &height);
gtk_widget_set_size_request (demo->darea, width, height);
surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
width, height);
cr = cairo_create (surface);
cairo_save (cr);
cairo_set_source_rgb (cr, 1, 1, 1);
cairo_rectangle (cr, 0, 0, width, height);
cairo_fill (cr);
cairo_restore (cr);
cairo_save (cr);
poppler_page_render (page, cr);
cairo_restore (cr);
cairo_destroy (cr);
g_object_unref (page);
return surface;
}
static gboolean
pgd_annots_view_drawing_area_draw (GtkWidget *area,
cairo_t *cr,
PgdAnnotsDemo *demo)
{
if (demo->num_page == -1)
return FALSE;
if (!demo->surface) {
demo->surface = pgd_annots_render_page (demo);
if (!demo->surface)
return FALSE;
}
cairo_set_source_surface (cr, demo->surface, 0, 0);
cairo_paint (cr);
return TRUE;
}
static gboolean
pgd_annots_viewer_redraw (PgdAnnotsDemo *demo)
{
cairo_surface_destroy (demo->surface);
demo->surface = NULL;
gtk_widget_queue_draw (demo->darea);
demo->annotations_idle = 0;
return FALSE;
}
static void
pgd_annots_viewer_queue_redraw (PgdAnnotsDemo *demo)
{
if (demo->annotations_idle == 0)
demo->annotations_idle = g_idle_add ((GSourceFunc)pgd_annots_viewer_redraw,
demo);
}
static void
pgd_annots_drawing_area_realize (GtkWidget *area,
PgdAnnotsDemo *demo)
{
gtk_widget_add_events (area,
GDK_POINTER_MOTION_HINT_MASK |
GDK_BUTTON1_MOTION_MASK |
GDK_BUTTON_PRESS_MASK |
GDK_BUTTON_RELEASE_MASK);
}
static gboolean
pgd_annots_drawing_area_button_press (GtkWidget *area,
GdkEventButton *event,
PgdAnnotsDemo *demo)
{
if (!demo->page || demo->mode != MODE_ADD || event->button != 1)
return FALSE;
demo->start.x = event->x;
demo->start.y = event->y;
demo->stop = demo->start;
pgd_annots_add_annot (demo);
pgd_annots_viewer_queue_redraw (demo);
demo->mode = MODE_DRAWING;
return TRUE;
}
static gboolean
pgd_annots_drawing_area_motion_notify (GtkWidget *area,
GdkEventMotion *event,
PgdAnnotsDemo *demo)
{
PopplerRectangle rect;
PopplerPoint start, end;
gdouble width, height;
if (!demo->page || demo->mode != MODE_DRAWING || demo->start.x == -1)
return FALSE;
demo->stop.x = event->x;
demo->stop.y = event->y;
poppler_page_get_size (demo->page, &width, &height);
/* Keep the drawing within the page */
demo->stop.x = CLAMP (demo->stop.x, 0, width);
demo->stop.y = CLAMP (demo->stop.y, 0, height);
rect.x1 = start.x = demo->start.x;
rect.y1 = start.y = height - demo->start.y;
rect.x2 = end.x = demo->stop.x;
rect.y2 = end.y = height - demo->stop.y;
poppler_annot_set_rectangle (demo->active_annot, &rect);
if (demo->annot_type == POPPLER_ANNOT_LINE)
poppler_annot_line_set_vertices (POPPLER_ANNOT_LINE (demo->active_annot),
&start, &end);
if (POPPLER_IS_ANNOT_TEXT_MARKUP (demo->active_annot))
pgd_annots_update_selected_text (demo);
pgd_annot_view_set_annot (demo, demo->active_annot);
pgd_annots_viewer_queue_redraw (demo);
return TRUE;
}
static gboolean
pgd_annots_drawing_area_button_release (GtkWidget *area,
GdkEventButton *event,
PgdAnnotsDemo *demo)
{
if (!demo->page || demo->mode != MODE_DRAWING || event->button != 1)
return FALSE;
pgd_annots_finish_add_annot (demo);
return TRUE;
}
/* Main UI */
GtkWidget *
pgd_annots_create_widget (PopplerDocument *document)
{
PgdAnnotsDemo *demo;
GtkWidget *label;
GtkWidget *vbox, *vbox2;
GtkWidget *button;
GtkWidget *hbox, *page_selector;
GtkWidget *hpaned;
GtkWidget *swindow, *treeview;
GtkTreeSelection *selection;
GtkCellRenderer *renderer;
GtkTreeViewColumn *column;
GtkListStore *model;
GtkTreeIter iter;
gchar *str;
gint n_pages;
gint i;
demo = g_new0 (PgdAnnotsDemo, 1);
demo->doc = g_object_ref (document);
demo->cursor = GDK_LAST_CURSOR;
demo->mode = MODE_NORMAL;
n_pages = poppler_document_get_n_pages (document);
vbox = gtk_box_new (GTK_ORIENTATION_VERTICAL, 12);
vbox2 = gtk_box_new (GTK_ORIENTATION_VERTICAL, 6);
hbox = gtk_box_new (GTK_ORIENTATION_HORIZONTAL, 6);
label = gtk_label_new ("Page:");
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
gtk_widget_show (label);
page_selector = gtk_spin_button_new_with_range (1, n_pages, 1);
g_signal_connect (G_OBJECT (page_selector), "value-changed",
G_CALLBACK (pgd_annots_page_selector_value_changed),
(gpointer) demo);
gtk_box_pack_start (GTK_BOX (hbox), page_selector, FALSE, TRUE, 0);
gtk_widget_show (page_selector);
str = g_strdup_printf ("of %d", n_pages);
label = gtk_label_new (str);
gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0);
gtk_widget_show (label);
g_free (str);
demo->remove_button = gtk_button_new_with_mnemonic ("_Remove");
gtk_widget_set_sensitive (demo->remove_button, FALSE);
g_signal_connect (G_OBJECT (demo->remove_button), "clicked",
G_CALLBACK (pgd_annots_remove_annot),
(gpointer) demo);
gtk_box_pack_end (GTK_BOX (hbox), demo->remove_button, FALSE, FALSE, 6);
gtk_widget_show (demo->remove_button);
gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0);
button = gtk_button_new_with_mnemonic ("_Add");
g_signal_connect (G_OBJECT (button), "clicked",
G_CALLBACK (pgd_annots_start_add_annot),
(gpointer) demo);
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0);
gtk_widget_show (button);
model = gtk_list_store_new(SELECTED_N_COLUMNS,
G_TYPE_INT, G_TYPE_STRING);
for (i = 0; i < G_N_ELEMENTS (supported_annots); i++) {
gtk_list_store_append (model, &iter);
gtk_list_store_set (model, &iter,
SELECTED_TYPE_COLUMN, supported_annots[i].type,
SELECTED_LABEL_COLUMN, supported_annots[i].label,
-1);
}
demo->type_selector = gtk_combo_box_new_with_model (GTK_TREE_MODEL (model));
g_object_unref (model);
renderer = gtk_cell_renderer_text_new ();
gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (demo->type_selector), renderer, TRUE);
gtk_cell_layout_set_attributes (GTK_CELL_LAYOUT (demo->type_selector), renderer,
"text", SELECTED_LABEL_COLUMN,
NULL);
gtk_combo_box_set_active (GTK_COMBO_BOX (demo->type_selector), 0);
gtk_box_pack_end (GTK_BOX (hbox), demo->type_selector, FALSE, FALSE, 0);
gtk_widget_show (demo->type_selector);
button = gtk_color_button_new ();
demo->annot_color.red = 65535;
demo->annot_color.alpha = 1.0;
gtk_color_chooser_set_rgba (GTK_COLOR_CHOOSER (button), &demo->annot_color);
g_signal_connect (button, "notify::color",
G_CALLBACK (pgd_annot_color_changed),
(gpointer)demo);
gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, TRUE, 0);
gtk_widget_show (button);
gtk_widget_show (hbox);
demo->timer_label = gtk_label_new (NULL);
gtk_label_set_markup (GTK_LABEL (demo->timer_label), "<i>No annotations found</i>");
g_object_set (G_OBJECT (demo->timer_label), "xalign", 1.0, NULL);
gtk_box_pack_start (GTK_BOX (vbox), demo->timer_label, FALSE, TRUE, 0);
gtk_widget_show (demo->timer_label);
hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
demo->annot_view = pgd_annot_view_new ();
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
demo->model = gtk_list_store_new (N_COLUMNS, G_TYPE_STRING,
GDK_TYPE_PIXBUF, G_TYPE_BOOLEAN,
G_TYPE_BOOLEAN, G_TYPE_BOOLEAN,
G_TYPE_OBJECT);
treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (demo->model));
demo->tree_view = treeview;
column = gtk_tree_view_column_new ();
gtk_tree_view_column_set_title (column, "Type");
gtk_tree_view_append_column (GTK_TREE_VIEW (treeview), column);
renderer = gtk_cell_renderer_pixbuf_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_add_attribute (column, renderer, "pixbuf", ANNOTS_COLOR_COLUMN);
renderer = gtk_cell_renderer_text_new ();
gtk_tree_view_column_pack_start (column, renderer, TRUE);
gtk_tree_view_column_add_attribute (column, renderer, "text", ANNOTS_TYPE_COLUMN);
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (pgd_annots_invisible_flag_toggled),
(gpointer) demo);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
ANNOTS_FLAG_INVISIBLE_COLUMN, "Invisible",
renderer,
"active", ANNOTS_FLAG_INVISIBLE_COLUMN,
NULL);
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (pgd_annots_hidden_flag_toggled),
(gpointer) demo);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
ANNOTS_FLAG_HIDDEN_COLUMN, "Hidden",
renderer,
"active", ANNOTS_FLAG_HIDDEN_COLUMN,
NULL);
renderer = gtk_cell_renderer_toggle_new ();
g_signal_connect (renderer, "toggled",
G_CALLBACK (pgd_annots_print_flag_toggled),
(gpointer) demo);
gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
ANNOTS_FLAG_PRINT_COLUMN, "Print",
renderer,
"active", ANNOTS_FLAG_PRINT_COLUMN,
NULL);
selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
g_signal_connect (G_OBJECT (selection), "changed",
G_CALLBACK (pgd_annots_selection_changed),
(gpointer) demo);
/* Annotation's list */
gtk_container_add (GTK_CONTAINER (swindow), treeview);
gtk_widget_show (treeview);
gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 0);
gtk_widget_show (swindow);
/* Annotation Properties */
swindow = gtk_scrolled_window_new (NULL, NULL);
gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
gtk_container_add (GTK_CONTAINER (swindow), demo->annot_view);
gtk_widget_show (demo->annot_view);
gtk_widget_show (swindow);
gtk_box_pack_start (GTK_BOX (vbox2), swindow, TRUE, TRUE, 6);
gtk_widget_show (swindow);
gtk_paned_add1 (GTK_PANED (hpaned), vbox2);
gtk_widget_show (vbox2);
/* Demo Area (Render) */
demo->darea = gtk_drawing_area_new ();
g_signal_connect (demo->darea, "draw",
G_CALLBACK (pgd_annots_view_drawing_area_draw),
demo);
g_signal_connect (demo->darea, "realize",
G_CALLBACK (pgd_annots_drawing_area_realize),
(gpointer)demo);
g_signal_connect (demo->darea, "button_press_event",
G_CALLBACK (pgd_annots_drawing_area_button_press),
(gpointer)demo);
g_signal_connect (demo->darea, "motion_notify_event",
G_CALLBACK (pgd_annots_drawing_area_motion_notify),
(gpointer)demo);
g_signal_connect (demo->darea, "button_release_event",
G_CALLBACK (pgd_annots_drawing_area_button_release),
(gpointer)demo);
swindow = gtk_scrolled_window_new (NULL, NULL);
#if GTK_CHECK_VERSION(3, 7, 8)
gtk_container_add(GTK_CONTAINER(swindow), demo->darea);
#else
gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow), demo->darea);
#endif
gtk_widget_show (demo->darea);
gtk_paned_add2 (GTK_PANED (hpaned), swindow);
gtk_widget_show (swindow);
gtk_paned_set_position (GTK_PANED (hpaned), 300);
gtk_box_pack_start (GTK_BOX (vbox), hpaned, TRUE, TRUE, 0);
gtk_widget_show (hpaned);
g_object_weak_ref (G_OBJECT (vbox),
(GWeakNotify)pgd_annots_free,
demo);
pgd_annots_viewer_queue_redraw (demo);
pgd_annots_get_annots (demo);
demo->main_box = vbox;
return vbox;
}