*/
#include "djvu-document.h"
+#include "djvu-text.h"
+#include "djvu-links.h"
+#include "djvu-document-private.h"
#include "ev-document-thumbnails.h"
#include "ev-document-misc.h"
+#include "ev-document-find.h"
+#include "ev-document-links.h"
#include <libdjvu/ddjvuapi.h>
+#include <libdjvu/miniexp.h>
#include <gtk/gtk.h>
#include <gdk-pixbuf/gdk-pixbuf-core.h>
+#include <glib/gunicode.h>
+#include <string.h>
#define SCALE_FACTOR 0.2
GObjectClass parent_class;
};
-struct _DjvuDocument
-{
- GObject parent_instance;
-
- ddjvu_context_t *d_context;
- ddjvu_document_t *d_document;
- ddjvu_format_t *d_format;
-};
-
typedef struct _DjvuDocumentClass DjvuDocumentClass;
static void djvu_document_document_iface_init (EvDocumentIface *iface);
static void djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
+static void djvu_document_document_links_iface_init (EvDocumentLinksIface *iface);
G_DEFINE_TYPE_WITH_CODE
(DjvuDocument, djvu_document, G_TYPE_OBJECT,
{
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, djvu_document_document_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init)
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init);
});
+
+void
+djvu_handle_events (DjvuDocument *djvu_document, int wait)
+{
+ ddjvu_context_t *ctx = djvu_document->d_context;
+ const ddjvu_message_t *msg;
+ if (!ctx)
+ return;
+ if (wait)
+ msg = ddjvu_message_wait (ctx);
+ while ((msg = ddjvu_message_peek (ctx))) {
+ switch (msg->m_any.tag) {
+ case DDJVU_ERROR:
+ g_warning ("DjvuLibre error: %s",
+ msg->m_error.message);
+ if (msg->m_error.filename)
+ g_warning ("DjvuLibre error: %s:%d",
+ msg->m_error.filename,
+ msg->m_error.lineno);
+ default:
+ break;
+ }
+ ddjvu_message_pop (ctx);
+ }
+}
+
static gboolean
djvu_document_load (EvDocument *document,
- const char *uri,
- GError **error)
+ const char *uri,
+ GError **error)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
ddjvu_document_t *doc;
djvu_document->d_document = doc;
- while (!ddjvu_document_decoding_done (djvu_document->d_document))
- ddjvu_message_wait (djvu_document->d_context);
-
+ while (!ddjvu_document_decoding_done (djvu_document->d_document))
+ djvu_handle_events(djvu_document, TRUE);
+ g_free (djvu_document->uri);
+ djvu_document->uri = g_strdup (uri);
+
return TRUE;
}
static gboolean
djvu_document_save (EvDocument *document,
- const char *uri,
- GError **error)
+ const char *uri,
+ GError **error)
{
- g_warning ("djvu_document_save not implemented"); /* FIXME */
- return TRUE;
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
+
+ return ev_xfer_uri_simple (djvu_document->uri, uri, error);
}
-static int
+int
djvu_document_get_n_pages (EvDocument *document)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
static void
djvu_document_get_page_size (EvDocument *document,
- int page,
- double *width,
- double *height)
+ int page,
+ double *width,
+ double *height)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
-
- ddjvu_page_t *d_page;
+ ddjvu_pageinfo_t info;
+ ddjvu_status_t r;
g_return_if_fail (djvu_document->d_document);
- d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, page);
+ while ((r = ddjvu_document_get_pageinfo(djvu_document->d_document, page, &info)) < DDJVU_JOB_OK)
+ djvu_handle_events(djvu_document, TRUE);
- while (!ddjvu_page_decoding_done (d_page))
- ddjvu_message_wait (djvu_document->d_context);
+ if (r >= DDJVU_JOB_FAILED)
+ djvu_handle_events(djvu_document, TRUE);
- if (width)
- *width = ddjvu_page_get_width (d_page) * SCALE_FACTOR;
- if (height)
- *height = ddjvu_page_get_height (d_page) * SCALE_FACTOR;
-
- ddjvu_page_release (d_page);
+ *width = info.width * SCALE_FACTOR;
+ *height = info.height * SCALE_FACTOR;
}
static GdkPixbuf *
djvu_document_render_pixbuf (EvDocument *document,
- int page, gdouble scale)
+ EvRenderContext *rc)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
GdkPixbuf *pixbuf;
+ GdkPixbuf *rotated_pixbuf;
ddjvu_rect_t rrect;
ddjvu_rect_t prect;
double page_width, page_height;
- d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, page);
+ d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page);
while (!ddjvu_page_decoding_done (d_page))
- ddjvu_message_wait (djvu_document->d_context);
+ djvu_handle_events(djvu_document, TRUE);
- page_width = ddjvu_page_get_width (d_page) * scale * SCALE_FACTOR;
- page_height = ddjvu_page_get_height (d_page) * scale * SCALE_FACTOR;
+ page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR;
+ page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, page_width, page_height);
&rrect,
djvu_document->d_format,
gdk_pixbuf_get_rowstride (pixbuf),
- gdk_pixbuf_get_pixels (pixbuf));
+ (gchar *)gdk_pixbuf_get_pixels (pixbuf));
+
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
+ g_object_unref (pixbuf);
-
- return pixbuf;
+ return rotated_pixbuf;
}
static void
ddjvu_context_release (djvu_document->d_context);
ddjvu_format_release (djvu_document->d_format);
+ g_free (djvu_document->uri);
G_OBJECT_CLASS (djvu_document_parent_class)->finalize (object);
}
static gboolean
djvu_document_can_get_text (EvDocument *document)
{
- return FALSE;
+ return TRUE;
+}
+
+
+static char *
+djvu_document_get_text (EvDocument *document, int page, EvRectangle *rect)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
+ double width, height;
+ EvRectangle rectangle;
+ char* text;
+
+ djvu_document_get_page_size (document, page, &width, &height);
+ rectangle.x1 = rect->x1 / SCALE_FACTOR;
+ rectangle.y1 = (height - rect->y2) / SCALE_FACTOR;
+ rectangle.x2 = rect->x2 / SCALE_FACTOR;
+ rectangle.y2 = (height - rect->y1) / SCALE_FACTOR;
+
+ text = djvu_text_copy (djvu_document, page, &rectangle);
+
+ if (text == NULL)
+ text = g_strdup ("");
+
+ return text;
}
static EvDocumentInfo *
iface->load = djvu_document_load;
iface->save = djvu_document_save;
iface->can_get_text = djvu_document_can_get_text;
+ iface->get_text = djvu_document_get_text;
iface->get_n_pages = djvu_document_get_n_pages;
iface->get_page_size = djvu_document_get_page_size;
iface->render_pixbuf = djvu_document_render_pixbuf;
static GdkPixbuf *
djvu_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
gint page,
+ gint rotation,
gint width,
gboolean border)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
- GdkPixbuf *pixbuf;
+ GdkPixbuf *pixbuf, *rotated_pixbuf;
gint thumb_width, thumb_height;
- gchar *pixels;
+ guchar *pixels;
g_return_val_if_fail (djvu_document->d_document, NULL);
djvu_document_thumbnails_get_dimensions (document, page, width, &thumb_width, &thumb_height);
- if (border) {
- pixbuf = ev_document_misc_get_thumbnail_frame (thumb_width, thumb_height, NULL);
- pixels = gdk_pixbuf_get_pixels (pixbuf) + gdk_pixbuf_get_rowstride (pixbuf) + 4;
- } else {
- pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8,
- thumb_width, thumb_height);
- gdk_pixbuf_fill (pixbuf, 0xffffffff);
- pixels = gdk_pixbuf_get_pixels (pixbuf);
- }
+ pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8,
+ thumb_width, thumb_height);
+ gdk_pixbuf_fill (pixbuf, 0xffffffff);
+ pixels = gdk_pixbuf_get_pixels (pixbuf);
while (ddjvu_thumbnail_status (djvu_document->d_document, page, 1) < DDJVU_JOB_OK)
- ddjvu_message_wait (djvu_document->d_context);
+ djvu_handle_events(djvu_document, TRUE);
ddjvu_thumbnail_render (djvu_document->d_document, page,
&thumb_width, &thumb_height,
djvu_document->d_format,
gdk_pixbuf_get_rowstride (pixbuf),
- pixels);
+ (gchar *)pixels);
+
+ rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rotation);
+ g_object_unref (pixbuf);
+
+ if (border) {
+ GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
+ rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, 0, tmp_pixbuf);
+ g_object_unref (tmp_pixbuf);
+ }
- return pixbuf;
+ return rotated_pixbuf;
}
static void
djvu_document->d_document = NULL;
}
+static void
+djvu_document_find_begin (EvDocumentFind *document,
+ int page,
+ const char *search_string,
+ gboolean case_sensitive)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
+
+ if (djvu_document->search &&
+ strcmp (search_string, djvu_text_get_text (djvu_document->search)) == 0)
+ return;
+
+ if (djvu_document->search)
+ djvu_text_free (djvu_document->search);
+
+ djvu_document->search = djvu_text_new (djvu_document,
+ page,
+ case_sensitive,
+ search_string);
+}
+
+static int
+djvu_document_find_get_n_results (EvDocumentFind *document_find, int page)
+{
+ DjvuText *search = DJVU_DOCUMENT (document_find)->search;
+
+ if (search) {
+ return djvu_text_n_results (search, page);
+ } else {
+ return 0;
+ }
+}
+
+static gboolean
+djvu_document_find_get_result (EvDocumentFind *document_find,
+ int page,
+ int n_result,
+ EvRectangle *rectangle)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (document_find);
+ DjvuText *search = djvu_document->search;
+ EvRectangle *r;
+ double width, height;
+
+ if (search == NULL)
+ return FALSE;
+
+ r = djvu_text_get_result (search, page, n_result);
+ if (r == NULL)
+ return FALSE;
+
+ djvu_document_get_page_size (EV_DOCUMENT (djvu_document),
+ page, &width, &height);
+ rectangle->x1 = r->x1 * SCALE_FACTOR;
+ rectangle->y1 = height - r->y2 * SCALE_FACTOR;
+ rectangle->x2 = r->x2 * SCALE_FACTOR;
+ rectangle->y2 = height - r->y1 * SCALE_FACTOR;
+
+ return TRUE;
+}
+
+static int
+djvu_document_find_page_has_results (EvDocumentFind *document_find,
+ int page)
+{
+ DjvuText *search = DJVU_DOCUMENT (document_find)->search;
+
+ return search && djvu_text_has_results (search, page);
+}
+
+static double
+djvu_document_find_get_progress (EvDocumentFind *document_find)
+{
+ DjvuText *search = DJVU_DOCUMENT (document_find)->search;
+
+ if (search == NULL) {
+ return 0;
+ }
+
+ return djvu_text_get_progress (search);
+}
+
+static void
+djvu_document_find_cancel (EvDocumentFind *document)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
+
+ if (djvu_document->search) {
+ djvu_text_free (djvu_document->search);
+ djvu_document->search = NULL;
+ }
+}
+
+static void
+djvu_document_find_iface_init (EvDocumentFindIface *iface)
+{
+ iface->begin = djvu_document_find_begin;
+ iface->get_n_results = djvu_document_find_get_n_results;
+ iface->get_result = djvu_document_find_get_result;
+ iface->page_has_results = djvu_document_find_page_has_results;
+ iface->get_progress = djvu_document_find_get_progress;
+ iface->cancel = djvu_document_find_cancel;
+}
+
+static GList *
+djvu_document_links_get_links (EvDocumentLinks *document_links,
+ gint page)
+{
+ return djvu_links_get_links (document_links, page, SCALE_FACTOR);
+}
+
+static void
+djvu_document_document_links_iface_init (EvDocumentLinksIface *iface)
+{
+ iface->has_document_links = djvu_links_has_document_links;
+ iface->get_links_model = djvu_links_get_links_model;
+ iface->get_links = djvu_document_links_get_links;
+ iface->find_link_dest = djvu_links_find_link_dest;
+}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff