mirror of
https://github.com/netsurf-browser/netsurf
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110 lines
3.4 KiB
C
Executable File
110 lines
3.4 KiB
C
Executable File
/*
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* Copyright 2010 Ole Loots <ole@monochrom.net>
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*
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* This file is part of NetSurf, http://www.netsurf-browser.org/
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*
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* NetSurf is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* NetSurf is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef GEM_PLOTTER_DUMMY_H_INCLUDED
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#define GEM_PLOTTER_DUMMY_H_INCLUDED
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#include "plotter.h"
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#include <Hermes/Hermes.h>
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struct s_view
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{
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short x; /* drawing (screen) offset x */
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short y; /* drawing (screen) offset y */
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short w; /* width of buffer, not in sync with vis_w */
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short h; /* height of buffer, not in sync with vis_w */
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short vis_x; /* visible rectangle of the screen buffer */
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short vis_y; /* coords are relative to plot location */
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short vis_w; /* clipped to screen dimensions */
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short vis_h; /* */
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struct rect clipping;
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int size;
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bool swapped;
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void * mem;
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};
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struct s_vdi_priv_data {
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short bufops;
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/* temp buffer for bitmap conversion: */
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void * buf_packed;
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int size_buf_packed;
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/* temp buffer for bitmap conversion: */
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void * buf_planar;
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int size_buf_planar;
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/* buffer for plot operations that require device format, */
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/* currently used for transparent mfdb blits and snapshots: */
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MFDB buf_scr;
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int size_buf_scr;
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/* buffer for std form, used during 8bpp snapshot */
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MFDB buf_std;
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int size_buf_std;
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struct bitmap * buf_scr_compat;
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/* intermediate bitmap format */
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HermesFormat vfmt;
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/* no screen format here, hermes may not suitable for it */
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/* netsurf source bitmap format */
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HermesFormat nsfmt;
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/* Some internal structure used everywhere */
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/* trying to describe screen position, plotting origins and maxmimum */
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/* extent. */
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struct s_view view;
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};
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/* how much memory should be kept allocated for temp. conversion bitmaps: */
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#define CONV_KEEP_LIMIT 512000
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/* how much memory to allocate if some is needed: */
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#define CONV_BLOCK_SIZE 32000
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/* this is an shortcut cast to access the members of the s_vdi_priv_data */
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#define DUMMY_PRIV(_self) ((struct s_vdi_priv_data*)_self->priv_data)
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#define VIEW( priv ) DUMMY_PRIV( priv )->view
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/* Each driver object must export 1 it's own constructor: */
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int ctor_plotter_vdi( GEM_PLOTTER p, GRECT * loc_size );
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/*
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* Capture the screen at x,y location
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* param self instance
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* param x absolute screen coords
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* param y absolute screen coords
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* param w width
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* param h height
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*
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* This creates an snapshot in RGBA format (NetSurf's native format)
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*
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*/
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static struct bitmap * snapshot_create(GEM_PLOTTER self, int x, int y, int w, int h);
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/* Garbage collection of the snapshot routine */
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/* this should be called after you are done with the data returned by snapshot_create */
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/* don't access the screenshot after you called this function */
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static void snapshot_suspend(GEM_PLOTTER self );
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/* destroy memory used by screenshot */
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static void snapshot_destroy( GEM_PLOTTER self );
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#endif
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