/* * Copyright (C) 2007 Carlos Garcia Campos * * 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 #include "transitions.h" enum { TRANSITIONS_PAGE_COLUMN, TRANSITIONS_TYPE_COLUMN, TRANSITIONS_ALIGNMENT_COLUMN, TRANSITIONS_DIRECTION_COLUMN, TRANSITIONS_DURATION_COLUMN, TRANSITIONS_ANGLE_COLUMN, TRANSITIONS_SCALE_COLUMN, TRANSITIONS_RECTANGULAR_COLUMN, N_COLUMNS }; typedef struct { PopplerDocument *doc; GtkWidget *treeview; GtkWidget *progress; guint idle_id; } PgdTransitionsDemo; static void pgd_transitions_free(PgdTransitionsDemo *demo) { if (!demo) { return; } if (demo->idle_id > 0) { g_source_remove(demo->idle_id); demo->idle_id = 0; } if (demo->doc) { g_object_unref(demo->doc); demo->doc = NULL; } g_free(demo); } static const gchar *transition_type_to_string(PopplerPageTransitionType type) { switch (type) { case POPPLER_PAGE_TRANSITION_REPLACE: return "Replace"; case POPPLER_PAGE_TRANSITION_SPLIT: return "Split"; case POPPLER_PAGE_TRANSITION_BLINDS: return "Blinds"; case POPPLER_PAGE_TRANSITION_BOX: return "Box"; case POPPLER_PAGE_TRANSITION_WIPE: return "Wipe"; case POPPLER_PAGE_TRANSITION_DISSOLVE: return "Dissolve"; case POPPLER_PAGE_TRANSITION_GLITTER: return "Glitter"; case POPPLER_PAGE_TRANSITION_FLY: return "Fly"; case POPPLER_PAGE_TRANSITION_PUSH: return "Push"; case POPPLER_PAGE_TRANSITION_COVER: return "Cover"; case POPPLER_PAGE_TRANSITION_UNCOVER: return "Uncover"; case POPPLER_PAGE_TRANSITION_FADE: return "Fade"; } return "Unknown"; } static const gchar *transition_alignment_to_string(PopplerPageTransitionAlignment alignment) { return alignment == POPPLER_PAGE_TRANSITION_HORIZONTAL ? "Horizontal" : "Vertical"; } static const gchar *transition_direction_to_string(PopplerPageTransitionDirection direction) { return direction == POPPLER_PAGE_TRANSITION_INWARD ? "Inward" : "Outward"; } static void pgd_transitions_update_progress(PgdTransitionsDemo *demo, gint n_pages, gint scanned) { gchar *str; str = g_strdup_printf("Scanning transitions (%d%%)", MIN(scanned * 100 / n_pages, 100)); gtk_progress_bar_set_text(GTK_PROGRESS_BAR(demo->progress), str); gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(demo->progress), MIN((gdouble)scanned / n_pages, 1.0)); g_free(str); } static gboolean pgd_transitions_fill_model(PgdTransitionsDemo *demo) { GtkTreeModel *model; gint i, n_pages; n_pages = poppler_document_get_n_pages(demo->doc); model = gtk_tree_view_get_model(GTK_TREE_VIEW(demo->treeview)); g_object_ref(model); for (i = 0; i < n_pages; i++) { PopplerPage *page; PopplerPageTransition *transition; pgd_transitions_update_progress(demo, n_pages, i); while (gtk_events_pending()) { gtk_main_iteration(); } page = poppler_document_get_page(demo->doc, i); if (!page) { continue; } transition = poppler_page_get_transition(page); if (transition) { GtkTreeIter iter; gchar *npage; gchar *duration; gchar *angle; gchar *scale; npage = g_strdup_printf("%d", i + 1); duration = g_strdup_printf("%.2f", transition->duration_real); angle = g_strdup_printf("%d", transition->angle); scale = g_strdup_printf("%.2f", transition->scale); gtk_list_store_append(GTK_LIST_STORE(model), &iter); gtk_list_store_set(GTK_LIST_STORE(model), &iter, TRANSITIONS_PAGE_COLUMN, npage, TRANSITIONS_TYPE_COLUMN, transition_type_to_string(transition->type), TRANSITIONS_ALIGNMENT_COLUMN, transition_alignment_to_string(transition->alignment), TRANSITIONS_DIRECTION_COLUMN, transition_direction_to_string(transition->direction), TRANSITIONS_DURATION_COLUMN, duration, TRANSITIONS_ANGLE_COLUMN, angle, TRANSITIONS_SCALE_COLUMN, scale, TRANSITIONS_RECTANGULAR_COLUMN, transition->rectangular ? "Yes" : "No", -1); g_free(npage); g_free(duration); g_free(angle); g_free(scale); poppler_page_transition_free(transition); } g_object_unref(page); } pgd_transitions_update_progress(demo, n_pages, n_pages); g_object_unref(model); return FALSE; } static void pgd_transitions_scan_button_clicked(GtkButton *button, PgdTransitionsDemo *demo) { if (demo->idle_id > 0) { g_source_remove(demo->idle_id); } demo->idle_id = g_idle_add((GSourceFunc)pgd_transitions_fill_model, demo); } static GtkWidget *pgd_transitions_create_list(GtkTreeModel *model) { GtkWidget *treeview; GtkCellRenderer *renderer; treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(model)); gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(treeview), TRUE); gtk_tree_selection_set_mode(gtk_tree_view_get_selection(GTK_TREE_VIEW(treeview)), GTK_SELECTION_NONE); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 0, "Page", renderer, "text", TRANSITIONS_PAGE_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 1, "Type", renderer, "text", TRANSITIONS_TYPE_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 2, "Alignment", renderer, "text", TRANSITIONS_ALIGNMENT_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 3, "Direction", renderer, "text", TRANSITIONS_DIRECTION_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 4, "Duration", renderer, "text", TRANSITIONS_DURATION_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 5, "Angle", renderer, "text", TRANSITIONS_ANGLE_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 6, "Scale", renderer, "text", TRANSITIONS_SCALE_COLUMN, NULL); renderer = gtk_cell_renderer_text_new(); gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(treeview), 7, "Rectangular", renderer, "text", TRANSITIONS_RECTANGULAR_COLUMN, NULL); return treeview; } GtkWidget *pgd_transitions_create_widget(PopplerDocument *document) { PgdTransitionsDemo *demo; GtkWidget *vbox; GtkListStore *model; GtkWidget *swindow; GtkWidget *hbox, *button; demo = g_new0(PgdTransitionsDemo, 1); demo->doc = g_object_ref(document); vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, 12); hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 6); demo->progress = gtk_progress_bar_new(); gtk_progress_bar_set_ellipsize(GTK_PROGRESS_BAR(demo->progress), PANGO_ELLIPSIZE_END); gtk_box_pack_start(GTK_BOX(hbox), demo->progress, TRUE, TRUE, 0); gtk_widget_show(demo->progress); button = gtk_button_new_with_label("Scan"); g_signal_connect(G_OBJECT(button), "clicked", G_CALLBACK(pgd_transitions_scan_button_clicked), (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, 6); gtk_widget_show(hbox); swindow = gtk_scrolled_window_new(NULL, NULL); gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(swindow), GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC); model = gtk_list_store_new(N_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING); demo->treeview = pgd_transitions_create_list(GTK_TREE_MODEL(model)); g_object_unref(model); gtk_container_add(GTK_CONTAINER(swindow), demo->treeview); gtk_widget_show(demo->treeview); gtk_box_pack_start(GTK_BOX(vbox), swindow, TRUE, TRUE, 0); gtk_widget_show(swindow); g_object_weak_ref(G_OBJECT(swindow), (GWeakNotify)pgd_transitions_free, (gpointer)demo); return vbox; }