diff options
author | Marco Pesenti Gritti <mpg@redhat.com> | 2005-06-07 09:20:35 (GMT) |
---|---|---|
committer | Marco Pesenti Gritti <marco@src.gnome.org> | 2005-06-07 09:20:35 (GMT) |
commit | 421d3d8b0f2f2432ec02f57677da2964d339f2d8 (patch) | |
tree | ac1ccd139b4b99b15b8f355e3b8aeca79e439621 /backend/ev-async-renderer.c | |
parent | 2380ada377881c8e6bf00368f713ebd72e355dda (diff) |
Add an async renderer interface (method + callback) which is useful for
2005-06-07 Marco Pesenti Gritti <mpg@redhat.com>
* backend/Makefile.am:
* backend/ev-async-renderer.c: (ev_async_renderer_get_type),
(ev_async_renderer_class_init), (ev_async_renderer_render_pixbuf):
* backend/ev-async-renderer.h:
Add an async renderer interface (method + callback) which
is useful for backends like ps.
* backend/ev-job-queue.c: (remove_job_from_async_queue),
(add_job_to_async_queue), (job_finished_cb), (handle_job),
(ev_job_queue_run_next), (ev_job_queue_init), (find_queue),
(ev_job_queue_add_job), (move_job_async), (move_job),
(ev_job_queue_update_job), (ev_job_queue_remove_job):
Add queues for async renderer, these are executed on the
main thread.
* backend/ev-jobs.c: (ev_job_render_new), (render_finished_cb),
(ev_job_render_run):
* backend/ev-jobs.h:
If the backend support async renderer interface use it.
* ps/ps-document.c: (ps_document_init), (push_pixbuf),
(setup_pixmap), (ps_document_get_type),
(ps_async_renderer_render_pixbuf),
(ps_document_document_iface_init), (ps_async_renderer_iface_init):
Implement async renderer interface.
Diffstat (limited to 'backend/ev-async-renderer.c')
-rw-r--r-- | backend/ev-async-renderer.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/backend/ev-async-renderer.c b/backend/ev-async-renderer.c new file mode 100644 index 0000000..45ca7e4 --- /dev/null +++ b/backend/ev-async-renderer.c @@ -0,0 +1,81 @@ +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8; c-indent-level: 8 -*- */ +/* + * Copyright (C) 2004 Marco Pesenti Gritti + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2, or (at your option) + * any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include "config.h" + +#include "ev-async-renderer.h" + +static void ev_async_renderer_class_init (gpointer g_class); + +enum +{ + RENDER_FINISHED, + LAST_SIGNAL +}; + +static guint signals[LAST_SIGNAL] = { 0 }; + +GType +ev_async_renderer_get_type (void) +{ + static GType type = 0; + + if (G_UNLIKELY (type == 0)) + { + static const GTypeInfo our_info = + { + sizeof (EvAsyncRendererIface), + NULL, + NULL, + (GClassInitFunc)ev_async_renderer_class_init + }; + + type = g_type_register_static (G_TYPE_INTERFACE, + "EvAsyncRenderer", + &our_info, (GTypeFlags)0); + } + + return type; +} + +static void +ev_async_renderer_class_init (gpointer g_class) +{ + signals[RENDER_FINISHED] = + g_signal_new ("render_finished", + EV_TYPE_ASYNC_RENDERER, + G_SIGNAL_RUN_LAST, + G_STRUCT_OFFSET (EvAsyncRendererIface, render_finished), + NULL, NULL, + g_cclosure_marshal_VOID__OBJECT, + G_TYPE_NONE, + 1, + GDK_TYPE_PIXBUF); +} + +void +ev_async_renderer_render_pixbuf (EvAsyncRenderer *async_renderer, + int page, + double scale) +{ + EvAsyncRendererIface *iface = EV_ASYNC_RENDERER_GET_IFACE (async_renderer); + + iface->render_pixbuf (async_renderer, page, scale); +} |