X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;ds=sidebyside;f=backend%2Fps%2Fev-spectre.c;h=c5b6afb01f9aa2c04b9d672b9712a6fa28123491;hb=c9525f15920d12cb778b342f30dacf9e3782204a;hp=41553df225c01e668089ce4ee59e70bfd6aa1c5c;hpb=1af6600934d1f723e5b492b8322e52a1144fb0af;p=evince.git diff --git a/backend/ps/ev-spectre.c b/backend/ps/ev-spectre.c index 41553df2..c5b6afb0 100644 --- a/backend/ps/ev-spectre.c +++ b/backend/ps/ev-spectre.c @@ -20,7 +20,7 @@ #include #include -#include +#include #include #include @@ -31,26 +31,25 @@ #include "ev-document-misc.h" struct _PSDocument { - GObject object; + EvDocument object; SpectreDocument *doc; SpectreExporter *exporter; }; struct _PSDocumentClass { - GObjectClass parent_class; + EvDocumentClass parent_class; }; -static void ps_document_document_iface_init (EvDocumentIface *iface); static void ps_document_file_exporter_iface_init (EvFileExporterIface *iface); static void ps_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface); EV_BACKEND_REGISTER_WITH_CODE (PSDocument, ps_document, { - G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, - ps_document_document_thumbnails_iface_init); - G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, - ps_document_file_exporter_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, + ps_document_document_thumbnails_iface_init); + EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, + ps_document_file_exporter_iface_init); }); /* PSDocument */ @@ -77,16 +76,6 @@ ps_document_dispose (GObject *object) G_OBJECT_CLASS (ps_document_parent_class)->dispose (object); } -static void -ps_document_class_init (PSDocumentClass *klass) -{ - GObjectClass *object_class; - - object_class = G_OBJECT_CLASS (klass); - - object_class->dispose = ps_document_dispose; -} - /* EvDocumentIface */ static gboolean ps_document_load (EvDocument *document, @@ -164,6 +153,22 @@ ps_document_get_n_pages (EvDocument *document) return spectre_document_get_n_pages (ps->doc); } +static EvPage * +ps_document_get_page (EvDocument *document, + gint index) +{ + PSDocument *ps = PS_DOCUMENT (document); + SpectrePage *ps_page; + EvPage *page; + + ps_page = spectre_document_get_page (ps->doc, index); + page = ev_page_new (index); + page->backend_page = (EvBackendPage)ps_page; + page->backend_destroy_func = (EvBackendPageDestroyFunc)spectre_page_free; + + return page; +} + static gint get_page_rotation (SpectrePage *page) { @@ -184,17 +189,17 @@ get_page_rotation (SpectrePage *page) static void ps_document_get_page_size (EvDocument *document, - int page, + EvPage *page, double *width, double *height) { - PSDocument *ps = PS_DOCUMENT (document); SpectrePage *ps_page; gdouble page_width, page_height; gint pwidth, pheight; gint rotate; - ps_page = spectre_document_get_page (ps->doc, page); + ps_page = (SpectrePage *)page->backend_page; + spectre_page_get_size (ps_page, &pwidth, &pheight); rotate = get_page_rotation (ps_page); @@ -206,8 +211,6 @@ ps_document_get_page_size (EvDocument *document, page_height = pheight; } - spectre_page_free (ps_page); - if (width) { *width = page_width; } @@ -219,17 +222,9 @@ ps_document_get_page_size (EvDocument *document, static char * ps_document_get_page_label (EvDocument *document, - int page) + EvPage *page) { - PSDocument *ps = PS_DOCUMENT (document); - SpectrePage *ps_page; - gchar *label; - - ps_page = spectre_document_get_page (ps->doc, page); - label = g_strdup (spectre_page_get_label (ps_page)); - spectre_page_free (ps_page); - - return label; + return g_strdup (spectre_page_get_label ((SpectrePage *)page->backend_page)); } static EvDocumentInfo * @@ -264,11 +259,20 @@ ps_document_get_info (EvDocument *document) return info; } +static gboolean +ps_document_get_backend_info (EvDocument *document, + EvDocumentBackendInfo *info) +{ + info->name = "libspectre"; + info->version = SPECTRE_VERSION_STRING; + + return TRUE; +} + static cairo_surface_t * ps_document_render (EvDocument *document, EvRenderContext *rc) { - PSDocument *ps = PS_DOCUMENT (document); SpectrePage *ps_page; SpectreRenderContext *src; gint width_points; @@ -281,7 +285,8 @@ ps_document_render (EvDocument *document, cairo_surface_t *surface; static const cairo_user_data_key_t key; - ps_page = spectre_document_get_page (ps->doc, rc->page); + ps_page = (SpectrePage *)rc->page->backend_page; + spectre_page_get_size (ps_page, &width_points, &height_points); width = (gint) ((width_points * rc->scale) + 0.5); @@ -289,26 +294,24 @@ ps_document_render (EvDocument *document, rotation = (rc->rotation + get_page_rotation (ps_page)) % 360; src = spectre_render_context_new (); - spectre_render_context_set_page_size (src, width, height); + spectre_render_context_set_scale (src, + (gdouble)width / width_points, + (gdouble)height / height_points); spectre_render_context_set_rotation (src, rotation); spectre_page_render (ps_page, src, &data, &stride); spectre_render_context_free (src); if (!data) { - spectre_page_free (ps_page); return NULL; } if (spectre_page_status (ps_page)) { - g_warning (spectre_status_to_string (spectre_page_status (ps_page))); + g_warning ("%s", spectre_status_to_string (spectre_page_status (ps_page))); g_free (data); - spectre_page_free (ps_page); return NULL; } - spectre_page_free (ps_page); - if (rotation == 90 || rotation == 270) { swidth = height; sheight = width; @@ -327,15 +330,22 @@ ps_document_render (EvDocument *document, } static void -ps_document_document_iface_init (EvDocumentIface *iface) +ps_document_class_init (PSDocumentClass *klass) { - iface->load = ps_document_load; - iface->save = ps_document_save; - iface->get_n_pages = ps_document_get_n_pages; - iface->get_page_size = ps_document_get_page_size; - iface->get_page_label = ps_document_get_page_label; - iface->get_info = ps_document_get_info; - iface->render = ps_document_render; + GObjectClass *object_class = G_OBJECT_CLASS (klass); + EvDocumentClass *ev_document_class = EV_DOCUMENT_CLASS (klass); + + object_class->dispose = ps_document_dispose; + + ev_document_class->load = ps_document_load; + ev_document_class->save = ps_document_save; + ev_document_class->get_n_pages = ps_document_get_n_pages; + ev_document_class->get_page = ps_document_get_page; + ev_document_class->get_page_size = ps_document_get_page_size; + ev_document_class->get_page_label = ps_document_get_page_label; + ev_document_class->get_info = ps_document_get_info; + ev_document_class->get_backend_info = ps_document_get_backend_info; + ev_document_class->render = ps_document_render; } /* EvDocumentThumbnailsIface */ @@ -349,6 +359,11 @@ ps_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails, GdkPixbuf *pixbuf = NULL; surface = ps_document_render (EV_DOCUMENT (ps), rc); + if (!surface) { + g_warning ("Error rendering thumbnail"); + return NULL; + } + pixbuf = ev_document_misc_pixbuf_from_surface (surface); cairo_surface_destroy (surface); @@ -426,7 +441,7 @@ ps_document_file_exporter_do_page (EvFileExporter *exporter, { PSDocument *ps = PS_DOCUMENT (exporter); - spectre_exporter_do_page (ps->exporter, rc->page); + spectre_exporter_do_page (ps->exporter, rc->page->index); } static void