/* libsvg-cairo - Render SVG documents using the cairo library
 *
 * Copyright © 2002 University of Southern California
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Carl D. Worth <cworth@isi.edu>
 */

#ifndef SVG_CAIRO_INTERNAL_H
#define SVG_CAIRO_INTERNAL_H

#include "svg-cairo.h"
#include "svg-cairo-version.h"

#include <stdarg.h>

/* XXX: What should this actually be? */
#define SVG_CAIRO_FONT_FAMILY_DEFAULT "verdana"

typedef struct svg_cairo_pt {
    double x;
    double y;
} svg_cairo_pt_t;

typedef enum svg_cairo_render_type {
    SVG_CAIRO_RENDER_TYPE_FILL,
    SVG_CAIRO_RENDER_TYPE_STROKE
} svg_cairo_render_type_t;

typedef struct svg_cairo_state {
    cairo_surface_t *child_surface;
    cairo_t *saved_cr;

    svg_color_t color;

    svg_paint_t fill_paint;
    svg_paint_t stroke_paint;
    double fill_opacity;
    double stroke_opacity;

    char *font_family;
    double font_size;
    svg_font_style_t font_style;
    unsigned int font_weight;
    int font_dirty;

    double *dash;
    int num_dashes;
    double dash_offset;

    double opacity;

    unsigned int viewport_width;
    unsigned int viewport_height;

    int bbox;

    svg_text_anchor_t text_anchor;

    struct svg_cairo_state *next;
} svg_cairo_state_t;

struct svg_cairo {
    svg_t *svg;
    cairo_t *cr;

    svg_cairo_state_t *state;

    unsigned int viewport_width;
    unsigned int viewport_height;
};

/* svg_cairo_sprintf_alloc.c */

int
_svg_cairo_sprintf_alloc (char **str, const char *fmt, ...);

int
_svg_cairo_vsprintf_alloc (char **str, const char *fmt, va_list ap);

/* svg_cairo_state.c */

svg_cairo_status_t
_svg_cairo_state_create (svg_cairo_state_t **state);

svg_cairo_status_t
_svg_cairo_state_init (svg_cairo_state_t *state);

svg_cairo_status_t
_svg_cairo_state_init_copy (svg_cairo_state_t *state, const svg_cairo_state_t *other);

svg_cairo_status_t
_svg_cairo_state_deinit (svg_cairo_state_t *state);

svg_cairo_status_t
_svg_cairo_state_destroy (svg_cairo_state_t *state);

svg_cairo_state_t *
_svg_cairo_state_push (svg_cairo_state_t *state);

svg_cairo_state_t *
_svg_cairo_state_pop (svg_cairo_state_t *state);


#endif