source/gfx/font.cpp

@@ -0,0 +1,367 @@
+/*=========================================================================
+
+	font.cpp
+
+	Author:  PKG
+	Created:
+	Project:
+	Purpose: 
+
+	Copyright (c) 2000
+
+===========================================================================*/
+
+/*----------------------------------------------------------------------
+	Includes
+	-------- */
+
+#ifndef __GFX_FONT_H__
+#include "font.h"
+#endif
+
+#ifndef __VID_HEADER_
+#include "system\vid.h"
+#endif
+
+#ifndef __PRIM_HEADER__
+#include "gfx\prim.h"
+#endif
+
+#ifndef __MATHTABLE_HEADER__
+#include "utils\mathtab.h"
+#endif
+
+#ifndef __LOCALE_TEXTDBASE_H__
+#include "locale\textdbase.h"
+#endif
+
+
+/*	Std Lib
+	------- */
+
+/*	Local
+	----- */
+
+/*----------------------------------------------------------------------
+	Tyepdefs && Defines
+	------------------- */
+
+/*----------------------------------------------------------------------
+	Structure defintions
+	-------------------- */
+
+/*----------------------------------------------------------------------
+	Function Prototypes
+	------------------- */
+
+
+/*----------------------------------------------------------------------
+	Vars
+	---- */
+
+/*----------------------------------------------------------------------
+	Data
+	---- */
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::initialise( FontData *_fontData )
+{
+	ASSERT( !m_initialised );
+
+	m_fontData=_fontData;
+
+	m_spriteBank.load( m_fontData->fontFileId );
+
+	setOt( DEFAULT_OT );
+	setColour( DEFAULT_R, DEFAULT_G, DEFAULT_B );
+	setJustification( (Justification)DEFAULT_JUSTIFICATION );
+	setPrintArea( 0,0, VidGetScrW(),VidGetScrH() );
+
+	setTrans( 0 );
+	setSMode( 0 );
+
+	m_initialised=true;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::dump()
+{
+	m_spriteBank.dump();
+	
+	m_initialised=false;
+}
+
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::print( int _x, int _y, s32 _textId )
+{
+	print(_x,_y,(u8*)TranslationDatabase::getString(_textId));
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::print( int _x, int _y, u8 *_text )
+{
+	ASSERT( m_initialised );
+
+	int 	Size;
+	int 	StartX;
+	int 	Length=0;
+	int		RectWidth;
+
+	switch(m_justification)
+	{
+		case JUST_CENTRE:
+			RectWidth=m_printArea.w;
+			break;
+		default:
+			RectWidth=m_printArea.w-_x;
+			break;
+	}
+	_x+=m_printArea.x;
+	_y+=m_printArea.y;
+	_y+=m_fontData->charHeight;		// origin at top left please...
+	StartX=_x;
+
+	while (*_text)
+	{
+		Length=getStrWrapLen(_text,RectWidth);
+		switch (m_justification)
+			{
+			case JUST_LEFT:
+				_x=StartX;
+				break;
+			case JUST_RIGHT:
+				_x=StartX/*+RectWidth*/-Length;
+				break;
+			case JUST_CENTRE:
+				_x=StartX-(Length/2);
+				break;
+			}
+
+		while(*_text && Length>0)
+		{
+			Size=printChar(*_text++,_x,_y)+m_fontData->charGapX;
+			_x+=Size;
+			Length-=Size;
+		}
+		_y+=(m_fontData->charHeight+m_fontData->charGapY);
+		if(*_text=='\n') _text++;		// kill newline if there is one ( preserve multiple \n )
+		while (*_text==' ') _text++;	// kill trailing spaces
+	}
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::setColour( u8 _r, u8 _g, u8 _b )
+{
+	m_r = _r;
+	m_g = _g;
+	m_b = _b;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::setJustification( Justification _justification )
+{
+	m_justification = _justification;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::setOt( u16 _ot )
+{
+	m_ot = _ot;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::setPrintArea( int _x, int _y, int _w, int _h )
+{
+	m_printArea.x=_x;
+	m_printArea.y=_y;
+	m_printArea.w=_w;
+	m_printArea.h=_h;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+void FontBank::setTrans( int _trans )
+{
+	m_trans=_trans;
+}
+void FontBank::setSMode( int _sMode )
+{
+	m_sMode=_sMode;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::getCharWidth( u8 _char )
+{
+	int	size;
+
+	if( _char!=' ' )
+	{
+		if( m_fontData->fontTab[_char]==-1 ) _char='X';
+		size=m_spriteBank.getFrameWidth( m_fontData->fontTab[_char] );
+	}
+	else
+	{
+		size=m_fontData->spaceWidth;
+	}
+
+	return size;
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::getCharHeight()
+{
+	return m_fontData->charHeight+m_fontData->charGapY;
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:	return height of a string when wrapped to print area
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::getStringHeight( u8 *_text )
+{
+	int length=0;
+	int	height=0;
+
+	while (*_text)
+	{
+		length=getStrWrapLen(_text,m_printArea.w);
+		while(*_text && length>0)
+		{
+			length-=getCharWidth(*_text++)+m_fontData->charGapX;
+		}
+		height+=(m_fontData->charHeight+m_fontData->charGapY);
+		if(*_text=='\n') _text++;		// kill newline if there is one ( preserve multiple \n )
+		while (*_text==' ') _text++;	// kill trailing spaces
+	}
+
+	return height;
+}
+
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:	
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::printChar( u8 _char,int _x,int _y )
+{
+	if (_char!=' ')
+	{
+		if( m_fontData->fontTab[_char]==-1 ) _char='X';
+		POLY_FT4 *Ft4=m_spriteBank.printFT4(m_fontData->fontTab[_char],_x,_y,0,0,m_ot);
+		setRGB0(Ft4,m_r,m_g,m_b);
+		setShadeTex(Ft4,0);
+
+		Ft4->tpage |= ( m_sMode << 5 );
+		setSemiTrans( Ft4,m_trans );
+		setShadeTex( Ft4,0 );
+	}
+
+	return getCharWidth(_char);
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:	
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::getStringWidth( char * text )
+{
+	return getStrWrapLen( (u8 *)text, VidGetScrW() );
+}
+
+/*----------------------------------------------------------------------
+	Function:	
+	Purpose:	
+	Params:
+	Returns:
+  ---------------------------------------------------------------------- */
+int FontBank::getStrWrapLen( u8 *_text,int _maxWidth )
+{
+	int length=0,spaceW;
+	u8	C;
+
+	spaceW=length+1;	// +1 to prevent infinite loop
+	while (*_text && length<=_maxWidth) 
+	{
+		C=*_text++;
+		if (C=='\n') break;
+		if (C==' ') spaceW=length;
+		length+=getCharWidth(C)+m_fontData->charGapX;
+	}
+	if (length>_maxWidth) length=spaceW;
+	
+	return length;
+}
+
+
+/*===========================================================================
+ end */