spice/common/canvas_base.h
Alexander Larsson 0b0342ee7e Turn image and palette cache into c style dynamic interface
Instead of passing a bunch of function pointer and an opaque
pointer we make a real type and add a vtable pointer to it.
This means we can simplify all the canvas constructors, etc.
2010-02-23 14:43:20 +01:00

65 lines
2.0 KiB
C

/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009 Red Hat, Inc.
This program 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; either version 2 of
the License, or (at your option) any later version.
This program 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 _H_CANVAS_BASE
#define _H_CANVAS_BASE
#include "cairo.h"
#include "lz.h"
#include <spice/draw.h>
typedef struct _SpiceImageCache SpiceImageCache;
typedef struct _SpicePaletteCache SpicePaletteCache;
typedef struct {
void (*put)(SpiceImageCache *cache,
uint64_t id,
cairo_surface_t *surface);
cairo_surface_t *(*get)(SpiceImageCache *cache,
uint64_t id);
} SpiceImageCacheOps;
struct _SpiceImageCache {
SpiceImageCacheOps *ops;
};
typedef struct {
void (*put)(SpicePaletteCache *cache,
SpicePalette *palette);
SpicePalette *(*get)(SpicePaletteCache *cache,
uint64_t id);
void (*release)(SpicePaletteCache *cache,
SpicePalette *palette);
} SpicePaletteCacheOps;
struct _SpicePaletteCache {
SpicePaletteCacheOps *ops;
};
typedef void (*glz_decode_fn_t)(void *glz_decoder_opaque, uint8_t *data,
SpicePalette *plt, void *usr_data);
#ifndef CAIRO_CANVAS_NO_CHUNKS
typedef void *(*get_virt_fn_t)(void *get_virt_opaque, unsigned long addr, uint32_t add_size);
typedef void (*validate_virt_fn_t)(void *validate_virt_opaque, unsigned long virt,
unsigned long from_addr, uint32_t add_size);
#endif
#endif