[poppler] glib/demo

Carlos Garcia Campos carlosgc at kemper.freedesktop.org
Tue Jan 1 05:34:17 PST 2008


 glib/demo/Makefile.am   |    2 
 glib/demo/main.c        |   16 +-
 glib/demo/transitions.c |  321 ++++++++++++++++++++++++++++++++++++++++++++++++
 glib/demo/transitions.h |   31 ++++
 4 files changed, 363 insertions(+), 7 deletions(-)

New commits:
commit 4eca2e041c93349e0c4666e83ad1ca3caff91dee
Author: Carlos Garcia Campos <carlosgc at gnome.org>
Date:   Tue Jan 1 14:34:00 2008 +0100

    Add page transitions demo

diff --git a/glib/demo/Makefile.am b/glib/demo/Makefile.am
index 9342642..dac7bca 100644
--- a/glib/demo/Makefile.am
+++ b/glib/demo/Makefile.am
@@ -23,6 +23,8 @@ poppler_glib_demo_SOURCES = 			\
 	page.c					\
 	render.h				\
 	render.c				\
+	transitions.h				\
+	transitions.c				\
 	utils.h					\
 	utils.c
 
diff --git a/glib/demo/main.c b/glib/demo/main.c
index d54f53c..f5750ad 100644
--- a/glib/demo/main.c
+++ b/glib/demo/main.c
@@ -27,6 +27,7 @@
 #include "outline.h"
 #include "links.h"
 #include "forms.h"
+#include "transitions.h"
 
 enum {
 	PGD_TITLE_COLUMN,
@@ -41,13 +42,14 @@ typedef struct {
 } PopplerGlibDemo;
 
 static const PopplerGlibDemo demo_list[] = {
-	{ "Info",      pgd_info_create_widget },
-	{ "Fonts",     pgd_fonts_create_widget },
-	{ "Render",    pgd_render_create_widget },
-	{ "Page Info", pgd_page_create_widget },
-	{ "Outline",   pgd_outline_create_widget },
-	{ "Links",     pgd_links_create_widget },
-	{ "Forms",     pgd_forms_create_widget }
+	{ "Info",             pgd_info_create_widget },
+	{ "Fonts",            pgd_fonts_create_widget },
+	{ "Render",           pgd_render_create_widget },
+	{ "Page Info",        pgd_page_create_widget },
+	{ "Outline",          pgd_outline_create_widget },
+	{ "Links",            pgd_links_create_widget },
+	{ "Forms",            pgd_forms_create_widget },
+	{ "Page Transitions", pgd_transitions_create_widget }
 };
 
 static void
diff --git a/glib/demo/transitions.c b/glib/demo/transitions.c
new file mode 100644
index 0000000..b6188b5
--- /dev/null
+++ b/glib/demo/transitions.c
@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2007 Carlos Garcia Campos  <carlosgc at 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 <gtk/gtk.h>
+
+#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 ("%d", transition->duration);
+			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_view_set_rules_hint (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_vbox_new (FALSE, 12);
+
+	hbox = gtk_hbox_new (FALSE, 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;
+}
diff --git a/glib/demo/transitions.h b/glib/demo/transitions.h
new file mode 100644
index 0000000..31d3677
--- /dev/null
+++ b/glib/demo/transitions.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2007 Carlos Garcia Campos  <carlosgc at 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 <gtk/gtkwidget.h>
+#include <poppler.h>
+
+#ifndef _TRANSITIONS_H_
+#define _TRANSITIONS_H_
+
+G_BEGIN_DECLS
+
+GtkWidget *pgd_transitions_create_widget (PopplerDocument *document);
+
+G_END_DECLS
+
+#endif /* _TRANSITIONS_H_ */


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