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netsurf/frontends/amiga/plotters.h

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/*
* Copyright 2008, 2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* 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/>.
*/
#ifndef AMIGA_PLOTTERS_H
#define AMIGA_PLOTTERS_H
#include "netsurf/plotters.h"
struct IBox;
struct gui_globals;
extern const struct plotter_table amiplot;
void ami_clearclipreg(struct gui_globals *gg);
void ami_plot_clear_bbox(struct RastPort *rp, struct IBox *bbox);
void ami_plot_release_pens(struct MinList *shared_pens);
bool ami_plot_screen_is_palettemapped(void);
/* Plotter render area management */
/**
* Alloc a plotter render area
* \param width of render bitmap
* \param height of render bitmap
* \param force32bit allocate a 32-bit bitmap even if this does not match the screen
* \param alloc_pen_list set to false to use own pen list (eg. if multiple pen lists will be required)
* \returns pointer to render area
*/
struct gui_globals *ami_plot_ra_alloc(ULONG width, ULONG height, bool force32bit, bool alloc_pen_list);
/**
* Free a plotter render area
* \param gg render area to free
*/
void ami_plot_ra_free(struct gui_globals *gg);
/**
* Get RastPort associated with a render area
* \param gg render area
* \returns pointer to render area BitMap
*/
struct RastPort *ami_plot_ra_get_rastport(struct gui_globals *gg);
/**
* Get a drawing BitMap associated with a render area
* \param gg render area
* \returns pointer to render area BitMap
*/
struct BitMap *ami_plot_ra_get_bitmap(struct gui_globals *gg);
/**
* Get size of BitMap associated with a render area
* \param gg render area
* \param width updated to BitMap width
* \param height updated to BitMap height
*/
void ami_plot_ra_get_size(struct gui_globals *gg, int *width, int *height);
/**
* Set a list of shared pens for a render area to use
* Only relevant for palette-mapped screens
* \param gg render area
* \param pen_list allocated by ami_AllocMinList()
*/
void ami_plot_ra_set_pen_list(struct gui_globals *gg, struct MinList *pen_list);
#endif