conky/lua/rsvg.pkg

/* 
   rsvg.h: SAX-based renderer for SVG files into a GdkPixbuf.
 
   Copyright (C) 2000 Eazel, Inc.
  
   This program 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 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
   Library General Public License for more details.
  
   You should have received a copy of the GNU Library General Public
   License along with this program; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
  
   Author: Raph Levien <raph@artofcode.com>

   rsvg-cairo.h: SAX-based renderer for SVG files using cairo
 
   Copyright (C) 2005 Red Hat, Inc.
  
   This program 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 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
   Library General Public License for more details.
  
   You should have received a copy of the GNU Library General Public
   License along with this program; if not, write to the
   Free Software Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.
  
   Author: Carl Worth <cworth@cworth.org>
*/

$#include <glib.h>
$#include <librsvg/rsvg.h>
$#include "librsvg-helper.h"

typedef struct _RsvgHandle RsvgHandle;
typedef struct _RsvgHandleClass RsvgHandleClass;

/**
 * RsvgDimensionData:
 * @width: SVG's width, in pixels
 * @height: SVG's height, in pixels
 * @em: em
 * @ex: ex
 */
typedef struct _RsvgDimensionData {
    int width;
    int height;
    double em;
    double ex;
    static tolua_outside RsvgDimensionData * rsvgDimensionDataCreate @ create();
    tolua_outside void rsvgDimensionDataGet @ get(int * width, int * height,
                                                  double * em, double * ex);
} RsvgDimensionData;

/**
 * RsvgRectangle:
 * @x: X coordinate of the left side of the rectangle
 * @y: Y coordinate of the the top side of the rectangle
 * @width: width of the rectangle
 * @height: height of the rectangle
 *
 * A data structure for holding a rectangle.
 *
 * Since: 2.46
 */
typedef struct _RsvgRectangle {
    double x;
    double y;
    double width;
    double height;
} RsvgRectangle;

const char  *rsvg_handle_get_base_uri (RsvgHandle * handle);
void         rsvg_handle_set_base_uri (RsvgHandle * handle, const char *base_uri);

gboolean     rsvg_handle_get_intrinsic_size_in_pixels  (RsvgHandle *handle,
                                                        gdouble *out_width,
                                                        gdouble *out_height);

gboolean rsvg_handle_get_geometry_for_layer(RsvgHandle *handle,
                                            const char *id,
                                            const RsvgRectangle *viewport,
                                            RsvgRectangle *out_ink_rect,
                                            RsvgRectangle *out_logical_rect,
                                            GError **error);

int      rsvg_handle_has_sub (RsvgHandle * handle, const char *id);

RsvgHandle *rsvg_handle_new_with_flags (RsvgHandleFlags flags);

RsvgHandle *rsvg_handle_new_from_data (const unsigned char * data, unsigned long data_len, GError ** error);
RsvgHandle *rsvg_handle_new_from_file (const char * file_name, GError ** error);

gboolean    rsvg_handle_render_document(RsvgHandle *handle,
                                        cairo_t *cr,
                                        const RsvgRectangle *viewport,
                                        GError **error);
gboolean    rsvg_handle_render_layer   (RsvgHandle *handle,
                                        cairo_t *cr,
                                        const char *id,
                                        const RsvgRectangle *viewport,
                                        GError **error);

void g_object_unref(gpointer object);

RsvgHandle * rsvg_create_handle_from_file(const char *);
int rsvg_destroy_handle(RsvgHandle *);

RsvgHandle *rsvg_handle_new_with_flags (RsvgHandleFlags flags);

void        rsvg_handle_set_base_gfile (RsvgHandle *handle,
                                        GFile      *base_file);

gboolean    rsvg_handle_read_stream_sync (RsvgHandle   *handle,
                                          GInputStream *stream,
                                          GCancellable *cancellable,
                                          GError      **error);

RsvgHandle *rsvg_handle_new_from_gfile_sync (GFile          *file,
                                             RsvgHandleFlags flags,
                                             GCancellable   *cancellable,
                                             GError        **error);

RsvgHandle *rsvg_handle_new_from_stream_sync (GInputStream   *input_stream,
                                              GFile          *base_file,
                                              RsvgHandleFlags flags,
                                              GCancellable   *cancellable,
                                              GError        **error);

RsvgHandle *rsvg_handle_new_from_data (const guint8 *data, gsize data_len, GError **error);
RsvgHandle *rsvg_handle_new_from_file (const gchar *filename, GError **error);