te_text_base2.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef TETRAEDGE_TE_TE_TEXT_BASE2_H
#define TETRAEDGE_TE_TE_TEXT_BASE2_H

#include "common/str.h"
#include "common/hashmap.h"

#include "tetraedge/te/te_color.h"
#include "tetraedge/te/te_intrusive_ptr.h"
#include "tetraedge/te/te_i_font.h"
#include "tetraedge/te/te_mesh.h"
#include "tetraedge/te/te_vector2s32.h"

namespace Tetraedge {

class TeTextBase2 {
public:
    TeTextBase2();
    virtual ~TeTextBase2();

    struct  Line {
        uint _startOffset;
        uint _endOffset;
        float _height;
        float _width;
    };

    enum WrapMode {
        WrapModeFixed,
        WrapModeProportional
    };

    void build();
    void clear();
    void clearStyles();
    void clearText();

    TeColor currentColor(uint offset) const;
    TeIntrusivePtr<TeIFont> currentFont(uint offset);
    void draw();
    uint endOfWord(uint i) const;
    void insertNewLine(uint offset);
    bool isASpace(uint offset) const;
    int newLines(uint offset) const;
    int nextNonSpaceChar(uint start);
    void setAlignStyle(TeIFont::AlignStyle style);
    void setColor(uint offset, const TeColor &color);
    void setFont(uint offset, const TeIntrusivePtr<TeIFont> &newfont);
    void setFontSize(int fontSz);
    void setGlobalColor(const TeColor &color);
    void setInterLine(float val);
    void setRect(const TeVector2s32 &rect);
    void setText(const Common::String &newText);
    void setWrapMode(WrapMode &mode);
    TeVector2s32 size();
    void strikethrough(bool val);
    bool strikethrough() const { return _strikethrough; }
    const Common::String &text() const { return _text; }
    WrapMode wrapMode() const { return _wrapMode; }
    const TeVector2s32 &size() const { return _size; }

private:
    void computeNbSpaces(Line &line, uint startOffset, uint endOffset);
    void drawEmptyChar(uint offset);
    void drawLine(TeImage &img, const Common::String &str, int yoffset);

    TeIFont::AlignStyle _alignStyle;
    WrapMode _wrapMode;
    int _fontSize;
    bool _valueWasSet;
    TeColor _globalColor;
    float _interLine;
    TeVector2s32 _drawRect;
    TeVector2s32 _size;
    Common::String _text;
    bool _strikethrough;

    TeMesh *_mesh;

    Common::Array<Common::String> _wrappedLines;

    Common::Array<uint32> _lineBreaks;
    Common::HashMap<uint, TeColor> _colors;
    Common::HashMap<uint, TeIntrusivePtr<TeIFont>> _fonts;
};

} // end namespace Tetraedge

#endif // TETRAEDGE_TE_TE_TEXT_BASE2_H