* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include "config.h"
+
+#include <config.h>
#include "djvu-document.h"
#include "djvu-text.h"
#include "djvu-links.h"
#include "ev-document-misc.h"
#include "ev-document-find.h"
#include "ev-document-links.h"
+#include "ev-selection.h"
+#include "ev-file-helpers.h"
#include <gdk-pixbuf/gdk-pixbuf-core.h>
#include <glib/gi18n.h>
static void djvu_document_file_exporter_iface_init (EvFileExporterIface *iface);
static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
static void djvu_document_document_links_iface_init (EvDocumentLinksIface *iface);
+static void djvu_selection_iface_init (EvSelectionIface *iface);
-G_DEFINE_TYPE_WITH_CODE
- (DjvuDocument, djvu_document, G_TYPE_OBJECT,
+EV_BACKEND_REGISTER_WITH_CODE (DjvuDocument, djvu_document,
{
- 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_FILE_EXPORTER, djvu_document_file_exporter_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);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, djvu_selection_iface_init);
});
while ((r = ddjvu_document_get_pageinfo(djvu_document->d_document, page, &info)) < DDJVU_JOB_OK)
djvu_handle_events(djvu_document, TRUE);
-
+
if (r >= DDJVU_JOB_FAILED)
djvu_handle_events(djvu_document, TRUE);
*height = info.height * SCALE_FACTOR;
}
-static GdkPixbuf *
-djvu_document_render_pixbuf (EvDocument *document,
- EvRenderContext *rc)
+static cairo_surface_t *
+djvu_document_render (EvDocument *document,
+ EvRenderContext *rc)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
- GdkPixbuf *pixbuf;
- GdkPixbuf *rotated_pixbuf;
-
+ cairo_surface_t *surface;
+ gchar *pixels;
+ gint rowstride;
ddjvu_rect_t rrect;
ddjvu_rect_t prect;
ddjvu_page_t *d_page;
-
- double page_width, page_height;
+ ddjvu_page_rotation_t rotation;
+ double page_width, page_height, tmp;
+ static const cairo_user_data_key_t key;
d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page);
while (!ddjvu_page_decoding_done (d_page))
djvu_handle_events(djvu_document, TRUE);
-
- 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);
- prect.x = 0; prect.y = 0;
- prect.w = page_width; prect.h = page_height;
+ page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR + 0.5;
+ page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR + 0.5;
+
+ switch (rc->rotation) {
+ case 90:
+ rotation = DDJVU_ROTATE_90;
+ tmp = page_height;
+ page_height = page_width;
+ page_width = tmp;
+
+ break;
+ case 180:
+ rotation = DDJVU_ROTATE_180;
+
+ break;
+ case 270:
+ rotation = DDJVU_ROTATE_270;
+ tmp = page_height;
+ page_height = page_width;
+ page_width = tmp;
+
+ break;
+ default:
+ rotation = DDJVU_ROTATE_0;
+ }
+#ifdef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
+ rowstride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, page_width);
+#else
+ rowstride = page_width * 4;
+#endif
+ pixels = (gchar *) g_malloc (page_height * rowstride);
+ surface = cairo_image_surface_create_for_data ((guchar *)pixels,
+ CAIRO_FORMAT_RGB24,
+ page_width,
+ page_height,
+ rowstride);
+ cairo_surface_set_user_data (surface, &key,
+ pixels, (cairo_destroy_func_t)g_free);
+ prect.x = 0;
+ prect.y = 0;
+ prect.w = page_width;
+ prect.h = page_height;
rrect = prect;
- ddjvu_page_render(d_page, DDJVU_RENDER_COLOR,
- &prect,
- &rrect,
- djvu_document->d_format,
- gdk_pixbuf_get_rowstride (pixbuf),
- (gchar *)gdk_pixbuf_get_pixels (pixbuf));
-
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
- g_object_unref (pixbuf);
+ ddjvu_page_set_rotation (d_page, rotation);
- return rotated_pixbuf;
+ ddjvu_page_render (d_page, DDJVU_RENDER_COLOR,
+ &prect,
+ &rrect,
+ djvu_document->d_format,
+ rowstride,
+ pixels);
+
+ return surface;
}
static void
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (object);
+ if (djvu_document->search)
+ djvu_text_free (djvu_document->search);
+
if (djvu_document->d_document)
ddjvu_document_release (djvu_document->d_document);
ddjvu_context_release (djvu_document->d_context);
ddjvu_format_release (djvu_document->d_format);
+ ddjvu_format_release (djvu_document->thumbs_format);
g_free (djvu_document->uri);
G_OBJECT_CLASS (djvu_document_parent_class)->finalize (object);
gobject_class->finalize = djvu_document_finalize;
}
-static gboolean
-djvu_document_can_get_text (EvDocument *document)
-{
- 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 *
djvu_document_get_info (EvDocument *document)
{
{
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;
+ iface->render = djvu_document_render;
iface->get_info = djvu_document_get_info;
}
+static gchar *
+djvu_selection_get_selected_text (EvSelection *selection,
+ EvRenderContext *rc,
+ EvSelectionStyle style,
+ EvRectangle *points)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (selection);
+ double width, height;
+ EvRectangle rectangle;
+ gchar *text;
+
+ djvu_document_get_page_size (EV_DOCUMENT (djvu_document),
+ rc->page, &width, &height);
+ rectangle.x1 = points->x1 / SCALE_FACTOR;
+ rectangle.y1 = (height - points->y2) / SCALE_FACTOR;
+ rectangle.x2 = points->x2 / SCALE_FACTOR;
+ rectangle.y2 = (height - points->y1) / SCALE_FACTOR;
+
+ text = djvu_text_copy (djvu_document, rc->page, &rectangle);
+
+ if (text == NULL)
+ text = g_strdup ("");
+
+ return text;
+}
+
+static void
+djvu_selection_iface_init (EvSelectionIface *iface)
+{
+ iface->get_selected_text = djvu_selection_get_selected_text;
+}
+
static void
djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
EvRenderContext *rc,
ddjvu_thumbnail_render (djvu_document->d_document, rc->page,
&thumb_width, &thumb_height,
- djvu_document->d_format,
+ djvu_document->thumbs_format,
gdk_pixbuf_get_rowstride (pixbuf),
(gchar *)pixels);
}
/* EvFileExporterIface */
-static gboolean
-djvu_document_file_exporter_format_supported (EvFileExporter *exporter,
- EvFileExporterFormat format)
-{
- return (format == EV_FILE_FORMAT_PS); // only exporting to PS is implemented.
-}
-
static void
-djvu_document_file_exporter_begin (EvFileExporter *exporter,
- EvFileExporterFormat format,
- const char *filename, /* for storing the temp ps file */
- int first_page,
- int last_page,
- double width,
- double height,
- gboolean duplex)
+djvu_document_file_exporter_begin (EvFileExporter *exporter,
+ EvFileExporterContext *fc)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
if (djvu_document->ps_filename)
g_free (djvu_document->ps_filename);
- djvu_document->ps_filename = g_strdup(filename);
+ djvu_document->ps_filename = g_strdup (fc->filename);
- g_string_assign(djvu_document->opts, "-page=");
+ g_string_assign (djvu_document->opts, "-page=");
}
static void
-djvu_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+djvu_document_file_exporter_do_page (EvFileExporter *exporter,
+ EvRenderContext *rc)
{
DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
- g_string_append_printf(djvu_document->opts, "%d,", (rc->page) + 1);
+ g_string_append_printf (djvu_document->opts, "%d,", (rc->page) + 1);
}
static void
DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
- FILE *fn = fopen(djvu_document->ps_filename, "w");
+ FILE *fn = fopen (djvu_document->ps_filename, "w");
if (fn == NULL) {
- g_warning(_("Cannot open file ā%sā."), djvu_document->ps_filename);
+ g_warning ("Cannot open file ā%sā.", djvu_document->ps_filename);
return;
}
d_optv[0] = djvu_document->opts->str;
ddjvu_job_t * job = ddjvu_document_print(djvu_document->d_document, fn, d_optc, d_optv);
- while (!ddjvu_job_done(job) ) {
+ while (!ddjvu_job_done(job)) {
djvu_handle_events (djvu_document, TRUE);
}
fclose(fn);
}
+static EvFileExporterCapabilities
+djvu_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+ return EV_FILE_EXPORTER_CAN_PAGE_SET |
+ EV_FILE_EXPORTER_CAN_COPIES |
+ EV_FILE_EXPORTER_CAN_COLLATE |
+ EV_FILE_EXPORTER_CAN_REVERSE |
+ EV_FILE_EXPORTER_CAN_GENERATE_PS;
+}
+
static void
djvu_document_file_exporter_iface_init (EvFileExporterIface *iface)
{
- iface->format_supported = djvu_document_file_exporter_format_supported;
iface->begin = djvu_document_file_exporter_begin;
iface->do_page = djvu_document_file_exporter_do_page;
iface->end = djvu_document_file_exporter_end;
+ iface->get_capabilities = djvu_document_file_exporter_get_capabilities;
}
static void
djvu_document_init (DjvuDocument *djvu_document)
{
+ guint masks[4] = { 0xff0000, 0xff00, 0xff, 0xff000000 };
+
djvu_document->d_context = ddjvu_context_create ("Evince");
- djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0);
- ddjvu_format_set_row_order (djvu_document->d_format,1);
+ djvu_document->d_format = ddjvu_format_create (DDJVU_FORMAT_RGBMASK32, 4, masks);
+ ddjvu_format_set_row_order (djvu_document->d_format, 1);
+
+ djvu_document->thumbs_format = ddjvu_format_create (DDJVU_FORMAT_RGB24, 0, 0);
+ ddjvu_format_set_row_order (djvu_document->thumbs_format, 1);
djvu_document->ps_filename = NULL;
djvu_document->opts = g_string_new ("");