inicial

1 files changed, 303 insertions, 0 deletions

diff --git a/libdocument/ev-document.h b/libdocument/ev-document.h
new file mode 100644
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--- /dev/null
+++ b/libdocument/ev-document.h
@@ -0,0 +1,303 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */
+/*
+ *  Copyright (C) 2009 Carlos Garcia Campos
+ *  Copyright (C) 2000-2003 Marco Pesenti Gritti
+ *
+ *  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.
+ *
+ *  $Id$
+ */
+
+#if !defined (__EV_EVINCE_DOCUMENT_H_INSIDE__) && !defined (EVINCE_COMPILATION)
+#error "Only <evince-document.h> can be included directly."
+#endif
+
+#ifndef EV_DOCUMENT_H
+#define EV_DOCUMENT_H
+
+#include <glib-object.h>
+#include <glib.h>
+#include <gdk/gdk.h>
+#include <cairo.h>
+
+#include "ev-document-info.h"
+#include "ev-page.h"
+#include "ev-render-context.h"
+
+G_BEGIN_DECLS
+
+#define EV_TYPE_DOCUMENT            (ev_document_get_type ())
+#define EV_DOCUMENT(o)              (G_TYPE_CHECK_INSTANCE_CAST ((o), EV_TYPE_DOCUMENT, EvDocument))
+#define EV_DOCUMENT_CLASS(k)        (G_TYPE_CHECK_CLASS_CAST((k), EV_TYPE_DOCUMENT, EvDocumentClass))
+#define EV_IS_DOCUMENT(o)           (G_TYPE_CHECK_INSTANCE_TYPE ((o), EV_TYPE_DOCUMENT))
+#define EV_IS_DOCUMENT_CLASS(k)     (G_TYPE_CHECK_CLASS_TYPE ((k), EV_TYPE_DOCUMENT))
+#define EV_DOCUMENT_GET_CLASS(inst) (G_TYPE_INSTANCE_GET_CLASS ((inst), EV_TYPE_DOCUMENT, EvDocumentClass))
+
+typedef struct _EvDocument        EvDocument;
+typedef struct _EvDocumentClass   EvDocumentClass;
+typedef struct _EvDocumentPrivate EvDocumentPrivate;
+
+#define EV_DOCUMENT_ERROR ev_document_error_quark ()
+#define EV_DOC_MUTEX_LOCK (ev_document_doc_mutex_lock ())
+#define EV_DOC_MUTEX_UNLOCK (ev_document_doc_mutex_unlock ())
+
+typedef enum
+{
+        EV_DOCUMENT_ERROR_INVALID,
+        EV_DOCUMENT_ERROR_ENCRYPTED
+} EvDocumentError;
+
+typedef struct {
+        double x;
+        double y;
+} EvPoint;
+
+typedef struct _EvRectangle EvRectangle;
+typedef struct _EvMapping EvMapping;
+
+typedef struct _EvDocumentBackendInfo EvDocumentBackendInfo;
+struct _EvDocumentBackendInfo
+{
+	const gchar *name;
+	const gchar *version;
+};
+
+typedef struct {
+	const gchar *filename;
+	gint         line;
+	gint         col;
+} EvSourceLink;
+
+struct _EvDocument
+{
+	GObject base;
+
+	EvDocumentPrivate *priv;
+};
+
+struct _EvDocumentClass
+{
+        GObjectClass base_class;
+
+        /* Virtual Methods  */
+        gboolean          (* load)            (EvDocument      *document,
+                                               const char      *uri,
+                                               GError         **error);
+        gboolean          (* save)            (EvDocument      *document,
+                                               const char      *uri,
+                                               GError         **error);
+        gint              (* get_n_pages)     (EvDocument      *document);
+	EvPage          * (* get_page)        (EvDocument      *document,
+					       gint             index);
+        void              (* get_page_size)   (EvDocument      *document,
+                                               EvPage          *page,
+                                               double          *width,
+                                               double          *height);
+        gchar           * (* get_page_label)  (EvDocument      *document,
+                                               EvPage          *page);
+        cairo_surface_t * (* render)          (EvDocument      *document,
+                                               EvRenderContext *rc);
+        EvDocumentInfo  * (* get_info)        (EvDocument      *document);
+        gboolean          (* get_backend_info)(EvDocument      *document,
+                                               EvDocumentBackendInfo *info);
+        gboolean	  (* support_synctex) (EvDocument      *document);
+};
+
+GType            ev_document_get_type             (void) G_GNUC_CONST;
+GQuark           ev_document_error_quark          (void);
+
+/* Document mutex */
+GMutex          *ev_document_get_doc_mutex        (void);
+void             ev_document_doc_mutex_lock       (void);
+void             ev_document_doc_mutex_unlock     (void);
+gboolean         ev_document_doc_mutex_trylock    (void);
+
+/* FontConfig mutex */
+GMutex          *ev_document_get_fc_mutex         (void);
+void             ev_document_fc_mutex_lock        (void);
+void             ev_document_fc_mutex_unlock      (void);
+gboolean         ev_document_fc_mutex_trylock     (void);
+
+EvDocumentInfo  *ev_document_get_info             (EvDocument      *document);
+gboolean         ev_document_get_backend_info     (EvDocument      *document,
+						   EvDocumentBackendInfo *info);
+gboolean         ev_document_load                 (EvDocument      *document,
+						   const char      *uri,
+						   GError         **error);
+gboolean         ev_document_save                 (EvDocument      *document,
+						   const char      *uri,
+						   GError         **error);
+gint             ev_document_get_n_pages          (EvDocument      *document);
+EvPage          *ev_document_get_page             (EvDocument      *document,
+						   gint             index);
+void             ev_document_get_page_size        (EvDocument      *document,
+						   gint             page_index,
+						   double          *width,
+						   double          *height);
+gchar           *ev_document_get_page_label       (EvDocument      *document,
+						   gint             page_index);
+cairo_surface_t *ev_document_render               (EvDocument      *document,
+						   EvRenderContext *rc);
+const gchar     *ev_document_get_uri              (EvDocument      *document);
+const gchar     *ev_document_get_title            (EvDocument      *document);
+gboolean         ev_document_is_page_size_uniform (EvDocument      *document);
+void             ev_document_get_max_page_size    (EvDocument      *document,
+						   gdouble         *width,
+						   gdouble         *height);
+void             ev_document_get_min_page_size    (EvDocument      *document,
+						   gdouble         *width,
+						   gdouble         *height);
+gboolean         ev_document_check_dimensions     (EvDocument      *document);
+gint             ev_document_get_max_label_len    (EvDocument      *document);
+gboolean         ev_document_has_text_page_labels (EvDocument      *document);
+gboolean         ev_document_find_page_by_label   (EvDocument      *document,
+						   const gchar     *page_label,
+						   gint            *page_index);
+gboolean	 ev_document_has_synctex 	  (EvDocument      *document);
+
+EvSourceLink    *ev_document_synctex_backward_search
+                                                  (EvDocument      *document,
+                                                   gint             page_index,
+                                                   gfloat           x,
+                                                   gfloat           y);
+
+EvMapping       *ev_document_synctex_forward_search
+                                                  (EvDocument      *document,
+						   EvSourceLink    *source_link);
+
+gint             ev_rect_cmp                      (EvRectangle     *a,
+					           EvRectangle     *b);
+
+#define EV_TYPE_RECTANGLE (ev_rectangle_get_type ())
+struct _EvRectangle
+{
+	gdouble x1;
+	gdouble y1;
+	gdouble x2;
+	gdouble y2;
+};
+
+GType        ev_rectangle_get_type (void) G_GNUC_CONST;
+EvRectangle *ev_rectangle_new      (void);
+EvRectangle *ev_rectangle_copy     (EvRectangle *ev_rect);
+void         ev_rectangle_free     (EvRectangle *ev_rect);
+
+struct _EvMapping {
+	EvRectangle area;
+	gpointer    data;
+};
+
+/* convenience macro to ease interface addition in the CODE
+ * section of EV_BACKEND_REGISTER_WITH_CODE (this macro relies on
+ * the g_define_type_id present within EV_BACKEND_REGISTER_WITH_CODE()).
+ * usage example:
+ * EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
+ *                          EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
+ *                                                 pdf_document_document_thumbnails_iface_init));
+ */
+#define EV_BACKEND_IMPLEMENT_INTERFACE(TYPE_IFACE, iface_init) {                \
+	const GInterfaceInfo g_implement_interface_info = {                     \
+		(GInterfaceInitFunc) iface_init, NULL, NULL                     \
+	};                                                                      \
+	g_type_module_add_interface (module,                                    \
+				     g_define_type_id,                          \
+				     TYPE_IFACE,                                \
+				     &g_implement_interface_info);              \
+}
+
+/*
+ * Utility macro used to register backends
+ *
+ * use: EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE)
+ */
+#define EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, CODE)	        \
+										\
+static GType g_define_type_id = 0;						\
+										\
+GType										\
+backend_name##_get_type (void)							\
+{										\
+	return g_define_type_id;						\
+}										\
+										\
+static void     backend_name##_init              (BackendName        *self);	\
+static void     backend_name##_class_init        (BackendName##Class *klass);	\
+static gpointer backend_name##_parent_class = NULL;				\
+static void     backend_name##_class_intern_init (gpointer klass)		\
+{										\
+	backend_name##_parent_class = g_type_class_peek_parent (klass);		\
+	backend_name##_class_init ((BackendName##Class *) klass);		\
+}										\
+										\
+G_MODULE_EXPORT GType								\
+register_evince_backend (GTypeModule *module)					\
+{										\
+	const GTypeInfo our_info = {  				                \
+		sizeof (BackendName##Class),					\
+		NULL, /* base_init */						\
+		NULL, /* base_finalize */					\
+		(GClassInitFunc) backend_name##_class_intern_init,		\
+		NULL,								\
+		NULL, /* class_data */						\
+		sizeof (BackendName),						\
+		0, /* n_preallocs */						\
+		(GInstanceInitFunc) backend_name##_init				\
+	};									\
+										\
+	/* Initialise the i18n stuff */						\
+	bindtextdomain (GETTEXT_PACKAGE, MATELOCALEDIR);			\
+	bind_textdomain_codeset (GETTEXT_PACKAGE, "UTF-8");			\
+                                                                                \
+	g_define_type_id = g_type_module_register_type (module,		        \
+					                EV_TYPE_DOCUMENT,	\
+					                #BackendName,		\
+					                &our_info,		\
+					                (GTypeFlags)0);	        \
+							                        \
+	CODE									\
+										\
+	return g_define_type_id;						\
+}
+
+/*
+ * Utility macro used to register backend
+ *
+ * use: EV_BACKEND_REGISTER(BackendName, backend_name)
+ */
+#define EV_BACKEND_REGISTER(BackendName, backend_name)			\
+	EV_BACKEND_REGISTER_WITH_CODE(BackendName, backend_name, ;)
+
+/*
+ * A convenience macro for boxed type implementations, which defines a
+ * type_name_get_type() function registering the boxed type.
+ */
+#define EV_DEFINE_BOXED_TYPE(TypeName, type_name, copy_func, free_func)               \
+GType                                                                                 \
+type_name##_get_type (void)                                                           \
+{                                                                                     \
+        static volatile gsize g_define_type_id__volatile = 0;                         \
+	if (g_once_init_enter (&g_define_type_id__volatile)) {                        \
+	        GType g_define_type_id =                                              \
+		    g_boxed_type_register_static (g_intern_static_string (#TypeName), \
+		                                  (GBoxedCopyFunc) copy_func,         \
+						  (GBoxedFreeFunc) free_func);        \
+		g_once_init_leave (&g_define_type_id__volatile, g_define_type_id);    \
+	}                                                                             \
+	return g_define_type_id__volatile;                                            \
+}
+
+G_END_DECLS
+
+#endif /* EV_DOCUMENT_H */