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/*

 * Copyright 2010 Ole Loots <ole@monochrom.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/>.

 */
#ifndef GEM_PLOTTER_DUMMY_H_INCLUDED

#define GEM_PLOTTER_DUMMY_H_INCLUDED


#include "plotter.h"

#include <Hermes/Hermes.h>


struct s_vdi_priv_data {
	short bufops;
	void * buf_packed;		/* temp buffer for bitmap conversion */
	int size_buf_packed;	
	void * buf_planar;		/* temp buffer for bitmap conversion */
	int size_buf_planar;
	MFDB buf_scr;					/* buffer for plot operations that require device format  */
	int size_buf_scr;  
	struct bitmap * buf_scr_compat;
	HermesFormat vfmt;		/* framebuffer format */
												/* no screen format here, hermes may not suitable for it */
	HermesFormat nsfmt;		/* netsurf bitmap format */
};

#define CONV_KEEP_LIMIT 512000	/* how much memory should be kept allocated for temp. conversion bitmaps? */

#define CONV_BLOCK_SIZE	32000	/* how much memory to allocate if some is needed */


/* this is an shortcut cast to access the members of the s_vdi_priv_data */
#define DUMMY_PRIV(self) ((struct s_vdi_priv_data*)self->priv_data)


/* Each driver object must export 1 it's own constructor: */
int ctor_plotter_vdi( GEM_PLOTTER p );

/*

* Capture the screen at x,y location

* param self instance

* param x absolute screen coords

* param y absolute screen coords

* param w width

* param h height

* 

* This creates an snapshot in RGBA format (NetSurf's native format) 

*  

*/
static struct bitmap * snapshot_create(GEM_PLOTTER self, int x, int y, int w, int h);

/* Garbage collection of the snapshot routine */
/* this should be called after you are done with the data returned by snapshot_create */
/* don't access the screenshot after you called this function */
static void snapshot_suspend(GEM_PLOTTER self );

/* destroy memory used by screenshot */
static void snapshot_destroy( GEM_PLOTTER self );

#endif