#include "djvu-links.h"
#include "djvu-document-private.h"
#include "ev-document-thumbnails.h"
+#include "ev-file-exporter.h"
#include "ev-document-misc.h"
#include "ev-document-find.h"
#include "ev-document-links.h"
static void djvu_document_document_iface_init (EvDocumentIface *iface);
static void djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
+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);
(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_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);
});
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);
+ 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;
+ }
- prect.x = 0; prect.y = 0;
- prect.w = page_width; prect.h = page_height;
+ rowstride = page_width * 4;
+ pixels = (gchar *) g_malloc (page_height * rowstride);
+ surface = cairo_image_surface_create_for_data (pixels,
+ CAIRO_FORMAT_ARGB32,
+ 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));
+ ddjvu_page_set_rotation (d_page, rotation);
- rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
- g_object_unref (pixbuf);
-
- return rotated_pixbuf;
+ ddjvu_page_render (d_page, DDJVU_RENDER_COLOR,
+ &prect,
+ &rrect,
+ djvu_document->d_format,
+ rowstride,
+ pixels);
+
+ return surface;
}
static void
if (djvu_document->d_document)
ddjvu_document_release (djvu_document->d_document);
+
+ if (djvu_document->opts)
+ g_string_free (djvu_document->opts, TRUE);
+ if (djvu_document->ps_filename)
+ g_free (djvu_document->ps_filename);
+
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);
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;
}
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);
iface->get_dimensions = djvu_document_thumbnails_get_dimensions;
}
+/* 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)
+{
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
+
+ if (djvu_document->ps_filename)
+ g_free (djvu_document->ps_filename);
+ djvu_document->ps_filename = g_strdup(filename);
+
+ g_string_assign(djvu_document->opts, "-page=");
+}
+
+static void
+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);
+}
+
+static void
+djvu_document_file_exporter_end (EvFileExporter *exporter)
+{
+ int d_optc = 1;
+ const char *d_optv[d_optc];
+
+ DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
+
+ FILE *fn = fopen(djvu_document->ps_filename, "w");
+ if (fn == NULL) {
+ g_warning(_("Cannot open file “%s”."), 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) ) {
+ djvu_handle_events (djvu_document, TRUE);
+ }
+
+ fclose(fn);
+}
+
+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;
+}
+
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 ("");
djvu_document->d_document = NULL;
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff