// Copyright (c) 2005, Rodrigo Braz Monteiro
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright notice,
//     this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright notice,
//     this list of conditions and the following disclaimer in the documentation
//     and/or other materials provided with the distribution.
//   * Neither the name of the Aegisub Group nor the names of its contributors
//     may be used to endorse or promote products derived from this software
//     without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Aegisub Project http://www.aegisub.org/
//
// $Id$

/// @file ass_style.h
/// @see ass_style.cpp
/// @ingroup subs_storage
///

#ifndef AGI_PRE
#include <wx/colour.h>
#endif

#include "ass_entry.h"

/// DOCME
/// @class AssColor
/// @brief DOCME
///
/// DOCME
struct AssColor {
	int r;	///< Red component
	int g;	///< Green component
	int b;	///< Blue component
	int a;	///< Alpha component

	AssColor();
	AssColor(int r, int g, int b, int a = 0);
	AssColor(const wxColour &color);

	bool operator==(const AssColor &col) const;
	bool operator!=(const AssColor &col) const;

	wxColor GetWXColor() const;				// Return as a wxColor
	void SetWXColor(const wxColor &color);	// Sets from a wxColor
	void Parse(wxString  const& value);		// Parse SSA or ASS-style color
	wxString GetASSFormatted(bool alpha,bool stripped=false,bool isStyle=false) const;	// Gets color formated in ASS format
	wxString GetSSAFormatted() const;
};

/// DOCME
/// @class AssStyle
/// @brief DOCME
///
/// DOCME
class AssStyle : public AssEntry {
public:
	wxString name;   ///< Name of the style; must be case-insensitively unique within a file despite being case-sensitive
	wxString font;   ///< Font face name
	double fontsize; ///< Font size

	AssColor primary;   ///< Default text color
	AssColor secondary; ///< Text color for not-yet-reached karaoke syllables
	AssColor outline;   ///< Outline color
	AssColor shadow;    ///< Shadow color

	bool bold;
	bool italic;
	bool underline;
	bool strikeout;

	double scalex;    ///< Font x scale with 100 = 100%
	double scaley;    ///< Font y scale with 100 = 100%
	double spacing;   ///< Additional spacing between characters in pixels
	double angle;     ///< Counterclockwise z rotation in degrees
	int borderstyle;  ///< 1: Normal; 3: Opaque box; others are unused in Aegisub
	double outline_w; ///< Outline width in pixels
	double shadow_w;  ///< Shadow distance in pixels
	int alignment;    ///< \an-style line alignment
	int Margin[4];    ///< Left/Right/Vertical/Unused margins in pixels
	int encoding;     ///< ASS font encoding needed for some non-unicode fonts
	int relativeTo;   ///< ASS2 extension; do not use

	/// Update the raw line data after one or more of the public members have been changed
	void UpdateData();

	/// @brief Get a list of valid ASS font encodings
	static void GetEncodings(wxArrayString &encodingStrings);

	AssStyle();
	AssStyle(wxString data, int version=1);
	AssStyle& operator=(AssStyle const&);

	wxString GetSSAText() const;
	ASS_EntryType GetType() const { return ENTRY_STYLE; }
	AssEntry *Clone() const;

	/// Convert an ASS alignment to the equivalent SSA alignment
	static int AssToSsa(int ass_align);
	/// Convert a SSA  alignment to the equivalent ASS alignment
	static int SsaToAss(int ssa_align);
};