netsurf/desktop/knockout.h
2017-02-11 13:57:06 +00:00

48 lines
1.4 KiB
C

/*
* Copyright 2006 Richard Wilson <info@tinct.net>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf 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; version 2 of the License.
*
* NetSurf 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, see <http://www.gnu.org/licenses/>.
*/
/** \file
* Knockout rendering (interface).
*/
#ifndef _NETSURF_DESKTOP_KNOCKOUT_H_
#define _NETSURF_DESKTOP_KNOCKOUT_H_
#include "netsurf/plotters.h"
/**
* Start a knockout plotting session
*
* \param ctx the redraw context with real plotter table
* \param knk_ctx updated to copy of ctx, with plotter table replaced
* \return true on success, false otherwise
*/
bool knockout_plot_start(const struct redraw_context *ctx,
struct redraw_context *knk_ctx);
/**
* End a knockout plotting session
*
* \return true on success, false otherwise
*/
bool knockout_plot_end(const struct redraw_context *ctx);
extern const struct plotter_table knockout_plotters;
#endif