static GdkPixbuf *
get_thumbnail (PopplerDocument *doc,
gint page_num,
gint preferred_size)
{
PopplerPage *page;
GdkPixbuf *pixbuf;
page = poppler_document_get_page (doc, page_num);
if (! page)
return NULL;
/* XXX: Remove conditional when we depend on poppler 0.8.0, but also
* add configure check to make sure POPPLER_WITH_GDK is enabled!
*/
#ifdef POPPLER_WITH_GDK
pixbuf = poppler_page_get_thumbnail_pixbuf (page);
#else
pixbuf = poppler_page_get_thumbnail (page);
#endif
if (! pixbuf)
{
gdouble width;
gdouble height;
gdouble scale;
poppler_page_get_size (page, &width, &height);
scale = (gdouble) preferred_size / MAX (width, height);
width *= scale;
height *= scale;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
width, height);
poppler_page_render_to_pixbuf (page,
0, 0, width, height, scale, 0, pixbuf);
}
g_object_unref (page);
return pixbuf;
}
cairo_surface_t* get_pdf_thumbnail_cairo_surface(char* filename, int width, int height) {
PopplerDocument* doc;
GError* err = NULL;
g_print("Thumbnail %s\n", filename);
gchar* uri = g_strconcat("file:", filename, NULL);
doc = poppler_document_new_from_file(uri, NULL, &err);
if (NULL != err) {
g_print(err->message);
return NULL;
}
PopplerPage* page = poppler_document_get_page(doc, 0);
cairo_surface_t* result = poppler_page_get_thumbnail(page);
if (NULL == result) {
result = cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height);
render_pdf_page(doc, 0, result, width, height);
}
g_object_unref(doc);
g_object_unref(page);
return result;
}
static void
pgd_page_set_page (PgdPageDemo *demo,
PopplerPage *page)
{
#ifdef POPPLER_WITH_GDK
GdkPixbuf *thumbnail;
#else
cairo_surface_t *thumbnail;
#endif
gchar *str;
str = page ? g_strdup_printf ("%d", poppler_page_get_index (page)) : NULL;
gtk_label_set_text (GTK_LABEL (demo->index), str);
g_free (str);
if (page) {
str = poppler_page_get_label (page);
gtk_label_set_text (GTK_LABEL (demo->label), str);
g_free (str);
} else {
gtk_label_set_text (GTK_LABEL (demo->label), NULL);
}
if (page) {
gdouble width, height;
poppler_page_get_size (page, &width, &height);
str = g_strdup_printf ("%.2f x %.2f", width, height);
gtk_label_set_text (GTK_LABEL (demo->size), str);
g_free (str);
} else {
gtk_label_set_text (GTK_LABEL (demo->size), NULL);
}
str = page ? g_strdup_printf ("%.2f seconds", poppler_page_get_duration (page)) : NULL;
gtk_label_set_text (GTK_LABEL (demo->duration), str);
g_free (str);
#ifdef POPPLER_WITH_GDK
thumbnail = page ? poppler_page_get_thumbnail_pixbuf (page) : NULL;
#else
thumbnail = page ? poppler_page_get_thumbnail (page) : NULL;
#endif
if (thumbnail) {
gint width, height;
poppler_page_get_thumbnail_size (page, &width, &height);
str = g_strdup_printf ("%d x %d", width, height);
gtk_label_set_text (GTK_LABEL (demo->thumbnail_size), str);
g_free (str);
#ifdef POPPLER_WITH_GDK
gtk_image_set_from_pixbuf (GTK_IMAGE (demo->thumbnail), thumbnail);
g_object_unref (thumbnail);
#else
image_set_from_surface (GTK_IMAGE (demo->thumbnail), thumbnail);
cairo_surface_destroy (thumbnail);
#endif
} else {
str = g_strdup ("<i>No thumbnail found</i>");
gtk_label_set_markup (GTK_LABEL (demo->thumbnail_size), str);
g_free (str);
gtk_image_set_from_icon_name (GTK_IMAGE (demo->thumbnail),
"image-missing",
GTK_ICON_SIZE_DIALOG);
}
}
static VALUE
rg_thumbnail(VALUE self)
{
return CRSURFACE2RVAL(poppler_page_get_thumbnail(SELF(self)));
}
