/* Copyright (C) 2014 The cairomm Development Team

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston, MA

 * 02110-1301, USA.

 */

#ifndef __CAIROMM_SCRIPT_H

#define __CAIROMM_SCRIPT_H

#include <string>

#include <cairomm/device.h>

#include <cairomm/surface.h> // SlotWriteFunc

#include <cairomm/enums.h>

#ifdef CAIRO_HAS_SCRIPT_SURFACE

#include <cairo-script.h>

#endif

namespace Cairo {

#ifdef CAIRO_HAS_SCRIPT_SURFACE

class ScriptSurface;

/**

 * A set of script output variants for the script surface.

 *

 * @since 1.12

 */

enum ScriptMode {

    /// The output will be in readable text (default).

    SCRIPT_MODE_ASCII = CAIRO_SCRIPT_MODE_ASCII,

    /// The output will use byte codes.

    SCRIPT_MODE_BINARY = CAIRO_SCRIPT_MODE_BINARY

};

/**

 * The script surface provides the ability to render to a native script that

 * matches the cairo drawing model. The scripts can be replayed using tools under

 * the util/cairo-script directoriy, or with cairo-perf-trace.

 *

 * @since 1.12

 */

class Script : public Device {

public:

  /**

   * Create a C++ wrapper for the C instance. This C++ instance should then be

   * given to a RefPtr.

   *

   * @param cobject The C instance.

   * @param has_reference whether we already have a reference. Otherwise, the

   * constructor will take an extra reference.

   *

   * @since 1.12

   */

  explicit Script(cairo_device_t* cobject, bool has_reference = false);

  virtual ~Script();

  /**

   * Converts the record operations in recording_surface into a script.

   *

   * @param recording_surface The recording surface to replay

   *

   * Throws an exception on error.

   *

   * @since 1.12

   */

  void add_from_recording_surface(const RefPtr<ScriptSurface>& recording_surface);

  /**

   * Queries the script for its current output mode.

   *

   * @since 1.12

   */

  ScriptMode get_mode() const;

  /**

   * Change the output mode of the script.

   *

   * @param mode The new mode.

   *

   * @since 1.12

   */

  void set_mode(ScriptMode new_mode);

  /**

   * Emit a string verbatim into the script.

   *

   * @param comment The string to emit

   */

  void write_comment(const std::string& comment);

  /**

   * Creates a output device for emitting the script, used when creating the

   * individual surfaces.

   *

   * @param filename The name (path) of the file to write the script to.

   *

   * Throws an exception on error.

   *

   * @since 1.12

   */

  static RefPtr<Script> create(const std::string& filename);

  /**

   * Creates a output device for emitting the script, used when creating the

   * individual surfaces.

   *

   * @param write_func Callback function passed the bytes written to the script

   *

   * @since 1.12

   */

  static RefPtr<Script> create_for_stream(const Surface::SlotWriteFunc& write_func);

};

#endif // CAIRO_HAS_SCRIPT_SURFACE

} // namespace Cairo

#endif //__CAIROMM_SCRIPT_SURFACE_H