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/* viewer-cairo.c: Common code for Cairo-based viewers
*
* Copyright (C) 1999,2004,2005 Red Hat, Inc.
* Copyright (C) 2001 Sun Microsystems
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include "viewer-cairo.h"
#include "viewer-render.h"
#include <cairo.h>
#ifdef HAVE_CAIRO_XLIB
#include "viewer-x.h"
#include <cairo-xlib.h>
static cairo_surface_t *
cairo_x_view_iface_create_surface (gpointer instance,
gpointer surface,
int width,
int height)
{
XViewer *x = (XViewer *)instance;
Drawable drawable = (Drawable) surface;
return cairo_xlib_surface_create (x->display, drawable,
DefaultVisual (x->display, x->screen),
width, height);
}
static CairoViewerIface cairo_x_viewer_iface = {
&x_viewer,
cairo_x_view_iface_create_surface
};
#endif /* HAVE_CAIRO_XLIB */
static gpointer
cairo_image_view_create (const PangoViewer *klass G_GNUC_UNUSED)
{
return NULL;
}
static void
cairo_image_view_destroy (gpointer instance G_GNUC_UNUSED)
{
}
static gpointer
cairo_image_view_create_surface (gpointer instance,
int width,
int height)
{
/* TODO: Be smarter about format? */
return cairo_image_surface_create (CAIRO_FORMAT_ARGB32, width, height);
}
static void
cairo_image_view_destroy_surface (gpointer instance,
gpointer surface)
{
cairo_surface_destroy (surface);
}
const PangoViewer cairo_image_viewer = {
"CairoImage",
NULL,
NULL,
cairo_image_view_create,
cairo_image_view_destroy,
NULL,
cairo_image_view_create_surface,
cairo_image_view_destroy_surface,
NULL,
NULL,
NULL,
NULL,
NULL
};
static cairo_surface_t *
cairo_image_view_iface_create_surface (gpointer instance,
gpointer surface,
int width,
int height)
{
return surface;
}
static CairoViewerIface cairo_image_viewer_iface = {
&cairo_image_viewer,
cairo_image_view_iface_create_surface
};
const CairoViewerIface *
get_cairo_viewer_iface (void)
{
#ifdef HAVE_CAIRO_XLIB
if (opt_display)
return &cairo_x_viewer_iface;
#endif /* HAVE_CAIRO_XLIB */
return &cairo_image_viewer_iface;
}
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