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authorMarco 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)
commit421d3d8b0f2f2432ec02f57677da2964d339f2d8 (patch)
treeac1ccd139b4b99b15b8f355e3b8aeca79e439621 /backend/ev-async-renderer.c
parent2380ada377881c8e6bf00368f713ebd72e355dda (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.c81
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);
+}