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/* 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 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
/*
* This file is based on WME Lite.
* http://dead-code.org/redir.php?target=wmelite
* Copyright (c) 2011 Jan Nedoma
*/
#ifndef WINTERMUTE_BFONTTT_H
#define WINTERMUTE_BFONTTT_H
#include "BFontStorage.h"
#include "BFont.h"
#include "BSurface.h"
#include "common/rect.h"
#include "graphics/surface.h"
#define NUM_CACHED_TEXTS 30
namespace WinterMute {
class FontGlyphCache;
class CBFontTT : public CBFont {
private:
//////////////////////////////////////////////////////////////////////////
class CBCachedTTFontText {
public:
WideString _text;
int _width;
TTextAlign _align;
int _maxHeight;
int _maxLength;
CBSurface *_surface;
int _priority;
int _textOffset;
bool _marked;
CBCachedTTFontText() {
//_text = L"";
_text = "";
_width = _maxHeight = _maxLength = -1;
_align = TAL_LEFT;
_surface = NULL;
_priority = -1;
_textOffset = 0;
_marked = false;
}
virtual ~CBCachedTTFontText() {
if (_surface) delete _surface;
}
};
public:
//////////////////////////////////////////////////////////////////////////
class CBTTFontLayer {
public:
CBTTFontLayer() {
_offsetX = _offsetY = 0;
_color = 0x00000000;
}
HRESULT Persist(CBPersistMgr *PersistMgr) {
PersistMgr->Transfer(TMEMBER(_offsetX));
PersistMgr->Transfer(TMEMBER(_offsetY));
PersistMgr->Transfer(TMEMBER(_color));
return S_OK;
}
int _offsetX;
int _offsetY;
uint32 _color;
};
//////////////////////////////////////////////////////////////////////////
class TextLine {
public:
TextLine(const WideString &text, int width) {
_text = text;
_width = width;
}
const WideString &GetText() const {
return _text;
}
int GetWidth() const {
return _width;
}
private:
WideString _text;
int _width;
};
typedef Common::List<TextLine *> TextLineList;
public:
DECLARE_PERSISTENT(CBFontTT, CBFont)
CBFontTT(CBGame *inGame);
virtual ~CBFontTT(void);
virtual int GetTextWidth(byte *text, int MaxLenght = -1);
virtual int GetTextHeight(byte *text, int width);
virtual void DrawText(byte *text, int x, int y, int width, TTextAlign align = TAL_LEFT, int max_height = -1, int MaxLenght = -1);
virtual int GetLetterHeight();
HRESULT LoadBuffer(byte *Buffer);
HRESULT LoadFile(char *Filename);
static unsigned long FTReadSeekProc(FT_Stream stream, unsigned long offset, unsigned char *buffer, unsigned long count);
static void FTCloseProc(FT_Stream stream);
FontGlyphCache *GetGlyphCache() {
return _glyphCache;
}
float GetLineHeight() const {
return _lineHeight;
}
void AfterLoad();
void InitLoop();
private:
HRESULT ParseLayer(CBTTFontLayer *Layer, byte *Buffer);
void WrapText(const WideString &text, int maxWidth, int maxHeight, TextLineList &lines);
void MeasureText(const WideString &text, int maxWidth, int maxHeight, int &textWidth, int &textHeight);
float GetKerning(wchar_t leftChar, wchar_t rightChar);
void PrepareGlyphs(const WideString &text);
void CacheGlyph(wchar_t ch);
CBSurface *RenderTextToTexture(const WideString &text, int width, TTextAlign align, int maxHeight, int &textOffset);
void BlitSurface(Graphics::Surface *src, Graphics::Surface *target, Common::Rect *targetRect);
CBCachedTTFontText *_cachedTexts[NUM_CACHED_TEXTS];
HRESULT InitFont();
FT_Stream _fTStream;
FT_Face _fTFace;
FontGlyphCache *_glyphCache;
float _ascender;
float _descender;
float _lineHeight;
float _underlinePos;
float _pointSize;
float _vertDpi;
float _horDpi;
size_t _maxCharWidth;
size_t _maxCharHeight;
public:
bool _isBold;
bool _isItalic;
bool _isUnderline;
bool _isStriked;
int _fontHeight;
char *_fontFile;
CBArray<CBTTFontLayer *, CBTTFontLayer *> _layers;
void ClearCache();
};
} // end of namespace WinterMute
#endif
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