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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_view
{
short x; /* drawing (screen) offset x */
short y; /* drawing (screen) offset y */
short w; /* width of buffer, not in sync with vis_w */
short h; /* height of buffer, not in sync with vis_w */
short vis_x; /* visible rectangle of the screen buffer */
short vis_y; /* coords are relative to plot location */
short vis_w; /* clipped to screen dimensions */
short vis_h; /* */
struct rect clipping;
int size;
bool swapped;
void * mem;
};
struct s_vdi_priv_data {
short bufops;
/* temp buffer for bitmap conversion: */
void * buf_packed;
int size_buf_packed;
/* temp buffer for bitmap conversion: */
void * buf_planar;
int size_buf_planar;
/* buffer for plot operations that require device format, */
/* currently used for transparent mfdb blits and snapshots: */
MFDB buf_scr;
int size_buf_scr;
/* buffer for std form, used during 8bpp snapshot */
MFDB buf_std;
int size_buf_std;
struct bitmap * buf_scr_compat;
/* intermediate bitmap format */
HermesFormat vfmt;
/* no screen format here, hermes may not suitable for it */
/* netsurf source bitmap format */
HermesFormat nsfmt;
/* Some internal structure used everywhere */
/* trying to describe screen position, plotting origins and maxmimum */
/* extent. */
struct s_view view;
};
/* how much memory should be kept allocated for temp. conversion bitmaps: */
#define CONV_KEEP_LIMIT 512000
/* how much memory to allocate if some is needed: */
#define CONV_BLOCK_SIZE 32000
/* 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)
#define VIEW( priv ) DUMMY_PRIV( priv )->view
/* Each driver object must export 1 it's own constructor: */
int ctor_plotter_vdi( GEM_PLOTTER p, GRECT * loc_size );
/*
* 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
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