diff options
Diffstat (limited to 'tests/poppler/glib/demo/text.c')
| -rw-r--r-- | tests/poppler/glib/demo/text.c | 315 |
1 files changed, 315 insertions, 0 deletions
diff --git a/tests/poppler/glib/demo/text.c b/tests/poppler/glib/demo/text.c new file mode 100644 index 00000000..abaa3c14 --- /dev/null +++ b/tests/poppler/glib/demo/text.c @@ -0,0 +1,315 @@ +/* + * Copyright (C) 2008 Carlos Garcia Campos <carlosgc@gnome.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, 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 <string.h> + +#include "text.h" + +enum { + TEXT_X1_COLUMN, + TEXT_Y1_COLUMN, + TEXT_X2_COLUMN, + TEXT_Y2_COLUMN, + TEXT_OFFSET_COLUMN, + TEXT_OFFPTR_COLUMN, + N_COLUMNS +}; + +typedef struct { + PopplerDocument *doc; + + GtkWidget *timer_label; + GtkTextBuffer *buffer; + GtkListStore *model; + + gint page; +} PgdTextDemo; + +static void +pgd_text_free (PgdTextDemo *demo) +{ + if (!demo) + return; + + if (demo->doc) { + g_object_unref (demo->doc); + demo->doc = NULL; + } + + if (demo->buffer) { + g_object_unref (demo->buffer); + demo->buffer = NULL; + } + + if (demo->model) { + g_object_unref (demo->model); + demo->model = NULL; + } + + g_free (demo); +} + +static void +pgd_text_get_text (GtkWidget *button, + PgdTextDemo *demo) +{ + PopplerPage *page; + PopplerRectangle *recs = NULL; + guint n_recs; + gchar *text; + GTimer *timer; + gint i; + + page = poppler_document_get_page (demo->doc, demo->page); + if (!page) + return; + + gtk_list_store_clear (demo->model); + + timer = g_timer_new (); + text = poppler_page_get_text (page); + g_timer_stop (timer); + + if (text) { + gchar *str; + gdouble text_elapsed; + + text_elapsed = g_timer_elapsed (timer, NULL); + + g_timer_start (timer); + poppler_page_get_text_layout (page, &recs, &n_recs); + g_timer_stop (timer); + + str = g_strdup_printf ("<i>got text in %.4f seconds, text layout in %.4f seconds</i>", + text_elapsed, 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 text found</i>"); + n_recs = 0; + } + + g_timer_destroy (timer); + g_object_unref (page); + + if (text) { + gtk_text_buffer_set_text (demo->buffer, text, strlen (text)); + g_free (text); + } + + for (i = 0; i < n_recs; i++) { + GtkTreeIter iter; + gchar *x1, *y1, *x2, *y2; + gchar *offset; + + x1 = g_strdup_printf ("%.2f", recs[i].x1); + y1 = g_strdup_printf ("%.2f", recs[i].y1); + x2 = g_strdup_printf ("%.2f", recs[i].x2); + y2 = g_strdup_printf ("%.2f", recs[i].y2); + + offset = g_strdup_printf ("%d", i); + + gtk_list_store_append (demo->model, &iter); + gtk_list_store_set (demo->model, &iter, + TEXT_X1_COLUMN, x1, + TEXT_Y1_COLUMN, y1, + TEXT_X2_COLUMN, x2, + TEXT_Y2_COLUMN, y2, + TEXT_OFFSET_COLUMN, offset, + TEXT_OFFPTR_COLUMN, GINT_TO_POINTER (i), + -1); + + g_free (x1); + g_free (y1); + g_free (x2); + g_free (y2); + g_free (offset); + } + + g_free (recs); +} + +static void +pgd_text_selection_changed (GtkTreeSelection *treeselection, + PgdTextDemo *demo) +{ + GtkTreeModel *model; + GtkTreeIter iter; + + if (gtk_tree_selection_get_selected (treeselection, &model, &iter)) { + gpointer offset; + GtkTextIter begin_iter, end_iter; + + gtk_tree_model_get (model, &iter, + TEXT_OFFPTR_COLUMN, &offset, + -1); + + gtk_text_buffer_get_iter_at_offset (demo->buffer, &begin_iter, GPOINTER_TO_INT (offset)); + end_iter = begin_iter; + gtk_text_iter_forward_char (&end_iter); + gtk_text_buffer_select_range (demo->buffer, &begin_iter, &end_iter); + } +} + + +static void +pgd_text_page_selector_value_changed (GtkSpinButton *spinbutton, + PgdTextDemo *demo) +{ + demo->page = (gint)gtk_spin_button_get_value (spinbutton) - 1; +} + +GtkWidget * +pgd_text_create_widget (PopplerDocument *document) +{ + PgdTextDemo *demo; + GtkWidget *label; + GtkWidget *vbox; + GtkWidget *hbox, *page_selector; + GtkWidget *button; + GtkWidget *swindow, *textview, *treeview; + GtkTreeSelection *selection; + GtkWidget *hpaned; + GtkCellRenderer *renderer; + gchar *str; + gint n_pages; + + demo = g_new0 (PgdTextDemo, 1); + + demo->doc = g_object_ref (document); + + n_pages = poppler_document_get_n_pages (document); + + vbox = gtk_vbox_new (FALSE, 12); + + hbox = gtk_hbox_new (FALSE, 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_text_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); + + button = gtk_button_new_with_label ("Get Text"); + g_signal_connect (G_OBJECT (button), "clicked", + G_CALLBACK (pgd_text_get_text), + (gpointer)demo); + gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); + gtk_widget_show (button); + + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0); + gtk_widget_show (hbox); + + demo->timer_label = gtk_label_new (NULL); + gtk_label_set_markup (GTK_LABEL (demo->timer_label), "<i>No text 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_hpaned_new (); + gtk_paned_set_position (GTK_PANED (hpaned), 300); + + 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, + G_TYPE_STRING, G_TYPE_STRING, + G_TYPE_STRING, G_TYPE_STRING, + G_TYPE_POINTER); + treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (demo->model)); + + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), + TEXT_X1_COLUMN, "X1", + renderer, + "text", TEXT_X1_COLUMN, + NULL); + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), + TEXT_Y1_COLUMN, "Y1", + renderer, + "text", TEXT_Y1_COLUMN, + NULL); + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), + TEXT_X2_COLUMN, "X2", + renderer, + "text", TEXT_X2_COLUMN, + NULL); + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), + TEXT_Y2_COLUMN, "Y2", + renderer, + "text", TEXT_Y2_COLUMN, + NULL); + + renderer = gtk_cell_renderer_text_new (); + gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview), + TEXT_OFFSET_COLUMN, "Offset", + renderer, + "text", TEXT_OFFSET_COLUMN, + NULL); + + selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview)); + g_signal_connect (selection, "changed", + G_CALLBACK (pgd_text_selection_changed), + (gpointer) demo); + + gtk_container_add (GTK_CONTAINER (swindow), treeview); + gtk_widget_show (treeview); + + gtk_paned_add1 (GTK_PANED (hpaned), swindow); + gtk_widget_show (swindow); + + swindow = gtk_scrolled_window_new (NULL, NULL); + gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + demo->buffer = gtk_text_buffer_new (NULL); + textview = gtk_text_view_new_with_buffer (demo->buffer); + + gtk_container_add (GTK_CONTAINER (swindow), textview); + gtk_widget_show (textview); + + gtk_paned_add2 (GTK_PANED (hpaned), swindow); + gtk_widget_show (swindow); + + gtk_box_pack_start (GTK_BOX (vbox), hpaned, TRUE, TRUE, 0); + gtk_widget_show (hpaned); + + g_object_weak_ref (G_OBJECT (vbox), + (GWeakNotify)pgd_text_free, + demo); + + return vbox; +} |