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/* cairo - a vector graphics library with display and print output
 *
 * Copyright © 2005 Red Hat, Inc
 *
 * This library is free software; you can redistribute it and/or
 * modify it either under the terms of the GNU Lesser General Public
 * License version 2.1 as published by the Free Software Foundation
 * (the "LGPL") or, at your option, under the terms of the Mozilla
 * Public License Version 1.1 (the "MPL"). If you do not alter this
 * notice, a recipient may use your version of this file under either
 * the MPL or the LGPL.
 *
 * You should have received a copy of the LGPL along with this library
 * in the file COPYING-LGPL-2.1; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 * You should have received a copy of the MPL along with this library
 * in the file COPYING-MPL-1.1
 *
 * The contents of this file are subject to the Mozilla Public License
 * Version 1.1 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
 * OF ANY KIND, either express or implied. See the LGPL or the MPL for
 * the specific language governing rights and limitations.
 *
 * The Original Code is the cairo graphics library.
 *
 * The Initial Developer of the Original Code is Red Hat, Inc.
 *
 * Contributor(s):
 *      Kristian Høgsberg <krh@redhat.com>
 *      Adrian Johnson <ajohnson@redneon.com>
 */


#ifndef CAIRO_META_SURFACE_H
#define CAIRO_META_SURFACE_H

#include "cairoint.h"
#include "cairo-path-fixed-private.h"
#include "cairo-clip-private.h"

typedef enum {
    /* The 5 basic drawing operations. */
    CAIRO_COMMAND_PAINT,
    CAIRO_COMMAND_MASK,
    CAIRO_COMMAND_STROKE,
    CAIRO_COMMAND_FILL,
    CAIRO_COMMAND_SHOW_TEXT_GLYPHS,
} cairo_command_type_t;

typedef enum {
    CAIRO_META_REGION_ALL,
    CAIRO_META_REGION_NATIVE,
    CAIRO_META_REGION_IMAGE_FALLBACK
} cairo_meta_region_type_t;

typedef struct _cairo_command_header {
    cairo_command_type_t         type;
    cairo_meta_region_type_t     region;
    cairo_operator_t             op;
    cairo_clip_t                 clip;
} cairo_command_header_t;

typedef struct _cairo_command_paint {
    cairo_command_header_t       header;
    cairo_pattern_union_t        source;
} cairo_command_paint_t;

typedef struct _cairo_command_mask {
    cairo_command_header_t       header;
    cairo_pattern_union_t        source;
    cairo_pattern_union_t        mask;
} cairo_command_mask_t;

typedef struct _cairo_command_stroke {
    cairo_command_header_t       header;
    cairo_pattern_union_t        source;
    cairo_path_fixed_t           path;
    cairo_stroke_style_t         style;
    cairo_matrix_t               ctm;
    cairo_matrix_t               ctm_inverse;
    double                       tolerance;
    cairo_antialias_t            antialias;
} cairo_command_stroke_t;

typedef struct _cairo_command_fill {
    cairo_command_header_t       header;
    cairo_pattern_union_t        source;
    cairo_path_fixed_t           path;
    cairo_fill_rule_t            fill_rule;
    double                       tolerance;
    cairo_antialias_t            antialias;
} cairo_command_fill_t;

typedef struct _cairo_command_show_text_glyphs {
    cairo_command_header_t       header;
    cairo_pattern_union_t        source;
    char                        *utf8;
    int                          utf8_len;
    cairo_glyph_t               *glyphs;
    unsigned int                 num_glyphs;
    cairo_text_cluster_t        *clusters;
    int                          num_clusters;
    cairo_text_cluster_flags_t   cluster_flags;
    cairo_scaled_font_t         *scaled_font;
} cairo_command_show_text_glyphs_t;

typedef union _cairo_command {
    cairo_command_header_t      header;

    cairo_command_paint_t                       paint;
    cairo_command_mask_t                        mask;
    cairo_command_stroke_t                      stroke;
    cairo_command_fill_t                        fill;
    cairo_command_show_text_glyphs_t            show_text_glyphs;
} cairo_command_t;

typedef struct _cairo_meta_surface {
    cairo_surface_t base;

    cairo_content_t content;

    /* A meta-surface is logically unbounded, but when used as a
     * source we need to render it to an image, so we need a size at
     * which to create that image. */

    cairo_rectangle_t extents_pixels;
    cairo_rectangle_int_t extents;
    cairo_bool_t unbounded;

    cairo_clip_t clip;

    cairo_array_t commands;
    cairo_surface_t *commands_owner;

    int replay_start_idx;
} cairo_meta_surface_t;

slim_hidden_proto (cairo_meta_surface_create);
slim_hidden_proto (cairo_meta_surface_replay);

cairo_private cairo_int_status_t
_cairo_meta_surface_get_path (cairo_surface_t    *surface,
                              cairo_path_fixed_t *path);


cairo_private cairo_status_t
_cairo_meta_surface_replay_analyze_meta_pattern (cairo_surface_t *surface,
                                                 cairo_surface_t *target);

cairo_private cairo_status_t
_cairo_meta_surface_replay_and_create_regions (cairo_surface_t *surface,
                                               cairo_surface_t *target);
cairo_private cairo_status_t
_cairo_meta_surface_replay_region (cairo_surface_t          *surface,
                                   cairo_surface_t          *target,
                                   cairo_meta_region_type_t  region);

cairo_private cairo_status_t
_cairo_meta_surface_get_bbox (cairo_meta_surface_t *meta,
                              cairo_box_t *bbox,
                              const cairo_matrix_t *transform);

cairo_private cairo_bool_t
_cairo_surface_is_meta (const cairo_surface_t *surface);

#endif /* CAIRO_META_SURFACE_H */