glib/demo/Makefile.am | 2
glib/demo/images.c | 338 ++++++++++++++++++++++++++++++++++++++++++++++++++
glib/demo/images.h | 31 ++++
glib/demo/main.c | 4
4 files changed, 374 insertions(+), 1 deletion(-)
New commits:
commit 7d65b4da1bc060aeb94d67c2ff26912cef48c030
Author: Carlos Garcia Campos <[EMAIL PROTECTED]>
Date: Wed Feb 13 20:32:43 2008 +0100
Add images demo
diff --git a/glib/demo/Makefile.am b/glib/demo/Makefile.am
index 906ec1a..33e28f5 100644
--- a/glib/demo/Makefile.am
+++ b/glib/demo/Makefile.am
@@ -13,6 +13,8 @@ poppler_glib_demo_SOURCES = \
fonts.c \
forms.h \
forms.c \
+ images.h \
+ images.c \
info.h \
info.cc \
links.h \
diff --git a/glib/demo/images.c b/glib/demo/images.c
new file mode 100644
index 0000000..8c10561
--- /dev/null
+++ b/glib/demo/images.c
@@ -0,0 +1,338 @@
+/*
+ * Copyright (C) 2008 Carlos Garcia Campos <[EMAIL PROTECTED]>
+ *
+ * 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 "images.h"
+
+enum {
+ IMAGES_ID_COLUMN,
+ IMAGES_X1_COLUMN,
+ IMAGES_Y1_COLUMN,
+ IMAGES_X2_COLUMN,
+ IMAGES_Y2_COLUMN,
+ N_COLUMNS
+};
+
+typedef struct {
+ PopplerDocument *doc;
+
+ GtkListStore *model;
+ GtkWidget *timer_label;
+ GtkWidget *image_view;
+
+ gint page;
+} PgdImagesDemo;
+
+static void
+pgd_images_free (PgdImagesDemo *demo)
+{
+ if (!demo)
+ return;
+
+ if (demo->doc) {
+ g_object_unref (demo->doc);
+ demo->doc = NULL;
+ }
+
+ if (demo->model) {
+ g_object_unref (demo->model);
+ demo->model = NULL;
+ }
+
+ g_free (demo);
+}
+
+static gboolean
+pgd_image_view_drawing_area_expose (GtkWidget *area,
+ GdkEventExpose *event,
+ GtkWidget *image_view)
+{
+ cairo_t *cr;
+ cairo_surface_t *image;
+
+ image = g_object_get_data (G_OBJECT (image_view), "image-surface");
+ if (!image)
+ return FALSE;
+
+ gtk_widget_set_size_request (area,
+ cairo_image_surface_get_width (image),
+ cairo_image_surface_get_height (image));
+
+ cr = gdk_cairo_create (area->window);
+ cairo_set_source_surface (cr, image, 0, 0);
+ cairo_paint (cr);
+ cairo_destroy (cr);
+
+ return TRUE;
+}
+
+static GtkWidget *
+pgd_image_view_new ()
+{
+ GtkWidget *swindow;
+ GtkWidget *darea;
+
+ swindow = gtk_scrolled_window_new (NULL, NULL);
+
+ darea = gtk_drawing_area_new ();
+ g_signal_connect (G_OBJECT (darea), "expose_event",
+ G_CALLBACK (pgd_image_view_drawing_area_expose),
+ (gpointer)swindow);
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (swindow),
+ GTK_POLICY_AUTOMATIC,
GTK_POLICY_AUTOMATIC);
+ gtk_scrolled_window_add_with_viewport (GTK_SCROLLED_WINDOW (swindow),
+ darea);
+ gtk_widget_show (darea);
+
+ return swindow;
+}
+
+static void
+pgd_image_view_set_image (GtkWidget *image_view,
+ cairo_surface_t *image)
+{
+ g_object_set_data_full (G_OBJECT (image_view), "image-surface",
+ image,
+ (GDestroyNotify)cairo_surface_destroy);
+ gtk_widget_queue_draw (image_view);
+}
+
+static void
+pgd_images_get_images (GtkWidget *button,
+ PgdImagesDemo *demo)
+{
+ PopplerPage *page;
+ GList *mapping, *l;
+ gint n_images;
+ GTimer *timer;
+
+ gtk_list_store_clear (demo->model);
+ pgd_image_view_set_image (demo->image_view, NULL);
+
+ page = poppler_document_get_page (demo->doc, demo->page);
+ if (!page)
+ return;
+
+ timer = g_timer_new ();
+ mapping = poppler_page_get_image_mapping (page);
+ g_timer_stop (timer);
+
+ n_images = g_list_length (mapping);
+ if (n_images > 0) {
+ gchar *str;
+
+ str = g_strdup_printf ("<i>%d images found in %.4f seconds</i>",
+ n_images, 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
images found</i>");
+ }
+
+ g_timer_destroy (timer);
+
+ for (l = mapping; l; l = g_list_next (l)) {
+ PopplerImageMapping *imapping;
+ GtkTreeIter iter;
+ gchar *x1, *y1, *x2, *y2;
+
+ imapping = (PopplerImageMapping *)l->data;
+
+ x1 = g_strdup_printf ("%.2f", imapping->area.x1);
+ y1 = g_strdup_printf ("%.2f", imapping->area.y1);
+ x2 = g_strdup_printf ("%.2f", imapping->area.x2);
+ y2 = g_strdup_printf ("%.2f", imapping->area.y2);
+
+ gtk_list_store_append (demo->model, &iter);
+ gtk_list_store_set (demo->model, &iter,
+ IMAGES_ID_COLUMN, imapping->image_id,
+ IMAGES_X1_COLUMN, x1,
+ IMAGES_Y1_COLUMN, y1,
+ IMAGES_X2_COLUMN, x2,
+ IMAGES_Y2_COLUMN, y2,
+ -1);
+ g_free (x1);
+ g_free (y1);
+ g_free (x2);
+ g_free (y2);
+ }
+
+ poppler_page_free_image_mapping (mapping);
+ g_object_unref (page);
+}
+
+static void
+pgd_images_page_selector_value_changed (GtkSpinButton *spinbutton,
+ PgdImagesDemo *demo)
+{
+ demo->page = (gint)gtk_spin_button_get_value (spinbutton) - 1;
+}
+
+static void
+pgd_images_selection_changed (GtkTreeSelection *treeselection,
+ PgdImagesDemo *demo)
+{
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+
+ if (gtk_tree_selection_get_selected (treeselection, &model, &iter)) {
+ PopplerPage *page;
+ gint image_id;
+
+ gtk_tree_model_get (model, &iter,
+ IMAGES_ID_COLUMN, &image_id,
+ -1);
+ page = poppler_document_get_page (demo->doc, demo->page);
+ pgd_image_view_set_image (demo->image_view,
+ poppler_page_get_image (page,
image_id));
+ g_object_unref (page);
+
+ }
+}
+
+GtkWidget *
+pgd_images_create_widget (PopplerDocument *document)
+{
+ PgdImagesDemo *demo;
+ GtkWidget *label;
+ GtkWidget *vbox;
+ GtkWidget *hbox, *page_selector;
+ GtkWidget *button;
+ GtkWidget *hpaned;
+ GtkWidget *swindow, *treeview;
+ GtkTreeSelection *selection;
+ GtkCellRenderer *renderer;
+ gchar *str;
+ gint n_pages;
+
+ demo = g_new0 (PgdImagesDemo, 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_images_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 Imagess");
+ g_signal_connect (G_OBJECT (button), "clicked",
+ G_CALLBACK (pgd_images_get_images),
+ (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 images
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 ();
+
+ demo->image_view = pgd_image_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_INT,
+ G_TYPE_STRING, G_TYPE_STRING,
+ G_TYPE_STRING, G_TYPE_STRING);
+ treeview = gtk_tree_view_new_with_model (GTK_TREE_MODEL (demo->model));
+
+ renderer = gtk_cell_renderer_text_new ();
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
+ 0, "Image",
+ renderer,
+ "text", IMAGES_ID_COLUMN,
+ NULL);
+
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
+ 1, "X1",
+ renderer,
+ "text", IMAGES_X1_COLUMN,
+ NULL);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
+ 2, "Y1",
+ renderer,
+ "text", IMAGES_Y1_COLUMN,
+ NULL);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
+ 3, "X2",
+ renderer,
+ "text", IMAGES_X2_COLUMN,
+ NULL);
+ renderer = gtk_cell_renderer_text_new ();
+ gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (treeview),
+ 4, "Y2",
+ renderer,
+ "text", IMAGES_Y2_COLUMN,
+ NULL);
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (treeview));
+ g_signal_connect (G_OBJECT (selection), "changed",
+ G_CALLBACK (pgd_images_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);
+
+ gtk_paned_add2 (GTK_PANED (hpaned), demo->image_view);
+ gtk_widget_show (demo->image_view);
+
+ 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_images_free,
+ demo);
+
+ return vbox;
+}
diff --git a/glib/demo/images.h b/glib/demo/images.h
new file mode 100644
index 0000000..60a79db
--- /dev/null
+++ b/glib/demo/images.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2008 Carlos Garcia Campos <[EMAIL PROTECTED]>
+ *
+ * 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 _IMAGES_H_
+#define _IMAGES_H_
+
+G_BEGIN_DECLS
+
+GtkWidget *pgd_images_create_widget (PopplerDocument *document);
+
+G_END_DECLS
+
+#endif /* _IMAGES_H_ */
diff --git a/glib/demo/main.c b/glib/demo/main.c
index f5750ad..4524744 100644
--- a/glib/demo/main.c
+++ b/glib/demo/main.c
@@ -28,6 +28,7 @@
#include "links.h"
#include "forms.h"
#include "transitions.h"
+#include "images.h"
enum {
PGD_TITLE_COLUMN,
@@ -49,7 +50,8 @@ static const PopplerGlibDemo demo_list[] = {
{ "Outline", pgd_outline_create_widget },
{ "Links", pgd_links_create_widget },
{ "Forms", pgd_forms_create_widget },
- { "Page Transitions", pgd_transitions_create_widget }
+ { "Page Transitions", pgd_transitions_create_widget },
+ { "Images", pgd_images_create_widget }
};
static void
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