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Viewing changes to backend/dvi/dvi-document.c

  • Committer: Bazaar Package Importer
  • Author(s): Rodrigo Moya, Josselin Mouette, Rodrigo Moya
  • Date: 2011-05-19 12:12:42 UTC
  • mfrom: (1.1.65 upstream) (1.3.6 experimental)
  • Revision ID: james.westby@ubuntu.com-20110519121242-967hbn2nh2hunp4y
Tags: 3.0.0-4ubuntu1
http://bugs.debian.org/619564
http://bugs.debian.org/627027
http://bugs.debian.org/551734
http://bugs.debian.org/581441
[ Josselin Mouette ]
* bug-presubj: please document where to report rendering bugs.
* evince.mime: dropped. We have desktop files to handle MIME 
  associations, no need to maintain an alternate system by hand.
  Closes: #619564, #627027, #551734, #581441.

[ Rodrigo Moya ]
* Rebase from Debian and GNOME3 PPA (thanks to Rico Tzschichholz).
  Remaining Ubuntu changes:
* debian/apparmor-profile:
* debian/apparmor-profile.abstraction:
* debian/evince.apport:
* debian/evince-common.dirs:
* debian/evince-common.postinst:
* debian/evince-common.postrm:
  - Add apparmor profile
* debian/control:
  - Build-Depend on debhelper (>= 7.4.20ubuntu5), gnome-common,
    hardening-includes and liblaunchpad-integration-3.0-dev
  - Standards-Version is 3.9.1
  - Depend on apparmor
* debian/rules:
  - Include hardening.make
  - Add rule to install apparmor files
* debian/watch:
  - Watch unstable series
* debian/patches/01_lpi.patch:
  - Launchpad integration patch
* debian/patches/04_gold.patch:
  - Link against libz
* debian/patches/05_library-path.patch:
  - Fix library path for g-ir-scanner

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Lines of Context:
backend/dvi/dvi-document.c
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#include "dvi-document.h"
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#include "texmfcnf.h"
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#include "ev-document-thumbnails.h"
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#include "ev-document-misc.h"
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#include "ev-file-exporter.h"
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#include "ev-file-helpers.h"
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typedef struct _DviDocumentClass DviDocumentClass;
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static void dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface);
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static void dvi_document_file_exporter_iface_init       (EvFileExporterInterface       *iface);
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static void dvi_document_do_color_special               (DviContext                    *dvi,
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                                                         const char                    *prefix,
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                                                         const char                    *arg);
 
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static void dvi_document_file_exporter_iface_init (EvFileExporterInterface       *iface);
 
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static void dvi_document_do_color_special         (DviContext                    *dvi,
 
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                                                   const char                    *prefix,
 
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                                                   const char                    *arg);
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EV_BACKEND_REGISTER_WITH_CODE (DviDocument, dvi_document,
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     {
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      EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, dvi_document_document_thumbnails_iface_init);
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      EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, dvi_document_file_exporter_iface_init);
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     });
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        ev_document_class->support_synctex = dvi_document_support_synctex;
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}
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static void
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dvi_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
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                                        EvRenderContext      *rc, 
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                                        gint                 *width,
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                                        gint                 *height)
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{       
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        DviDocument *dvi_document = DVI_DOCUMENT (document);
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        gdouble page_width = dvi_document->base_width;
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        gdouble page_height = dvi_document->base_height;
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        if (rc->rotation == 90 || rc->rotation == 270) {
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                *width = (gint) (page_height * rc->scale);
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                *height = (gint) (page_width * rc->scale);
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        } else {
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                *width = (gint) (page_width * rc->scale);
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                *height = (gint) (page_height * rc->scale);
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        }
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}
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static GdkPixbuf *
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dvi_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document,
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                                       EvRenderContext      *rc,   
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                                       gboolean              border)
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{
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        DviDocument *dvi_document = DVI_DOCUMENT (document);
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        GdkPixbuf *pixbuf;
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        GdkPixbuf *rotated_pixbuf;
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        cairo_surface_t *surface;
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        gint thumb_width, thumb_height;
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        gint proposed_width, proposed_height;
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        thumb_width = (gint) (dvi_document->base_width * rc->scale);
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        thumb_height = (gint) (dvi_document->base_height * rc->scale);
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        g_mutex_lock (dvi_context_mutex);
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        mdvi_setpage (dvi_document->context, rc->page->index);
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        mdvi_set_shrink (dvi_document->context, 
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                          (int)dvi_document->base_width * dvi_document->params->hshrink / thumb_width,
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                          (int)dvi_document->base_height * dvi_document->params->vshrink / thumb_height);
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        proposed_width = dvi_document->context->dvi_page_w * dvi_document->context->params.conv;
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        proposed_height = dvi_document->context->dvi_page_h * dvi_document->context->params.vconv;
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        if (border) {
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                mdvi_cairo_device_set_margins (&dvi_document->context->device, 
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                                               MAX (thumb_width - proposed_width, 0) / 2,
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                                               MAX (thumb_height - proposed_height, 0) / 2);    
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        } else {
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                mdvi_cairo_device_set_margins (&dvi_document->context->device, 
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                                               MAX (thumb_width - proposed_width - 2, 0) / 2,
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                                               MAX (thumb_height - proposed_height - 2, 0) / 2);        
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        }
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        mdvi_cairo_device_set_scale (&dvi_document->context->device, rc->scale);
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        mdvi_cairo_device_render (dvi_document->context);
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        surface = mdvi_cairo_device_get_surface (&dvi_document->context->device);
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        g_mutex_unlock (dvi_context_mutex);
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        pixbuf = ev_document_misc_pixbuf_from_surface (surface);
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        cairo_surface_destroy (surface);
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        rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf, 360 - rc->rotation);
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        g_object_unref (pixbuf);
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        if (border) {
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                GdkPixbuf *tmp_pixbuf = rotated_pixbuf;
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                rotated_pixbuf = ev_document_misc_get_thumbnail_frame (-1, -1, tmp_pixbuf);
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                g_object_unref (tmp_pixbuf);
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        }
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        return rotated_pixbuf;
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}
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static void
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dvi_document_document_thumbnails_iface_init (EvDocumentThumbnailsInterface *iface)
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{
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        iface->get_thumbnail = dvi_document_thumbnails_get_thumbnail;
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        iface->get_dimensions = dvi_document_thumbnails_get_dimensions;
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}
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/* EvFileExporterIface */
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static void
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dvi_document_file_exporter_begin (EvFileExporter        *exporter,