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/*-----------------------------------------------------------------
LOG
GEM - Graphics Environment for Multimedia
A text
Copyright (c) 1997-1999 Mark Danks. mark@danks.org
Copyright (c) Günther Geiger. geiger@epy.co.at
Copyright (c) 2001-2011 IOhannes m zmölnig. forum::für::umläute. IEM. zmoelnig@iem.at
Copyright (c) 2005 Georg Holzmann <grh@mur.at>
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "GEM.LICENSE.TERMS" in this distribution.
-----------------------------------------------------------------*/
#ifndef _INCLUDE__GEM_BASE_TEXTBASE_H_
#define _INCLUDE__GEM_BASE_TEXTBASE_H_
#ifdef _WIN32
# pragma warning( disable : 4786 )
# pragma warning( disable : 4788 )
#endif
#include "Gem/GemConfig.h"
#include "Base/GemBase.h"
#include <vector>
#include <string>
#ifdef FTGL
# define FONT_SCALE 0.2/3.0
# ifdef HAVE_FTGL_FTGL_H
# include "FTGL/ftgl.h"
# else
# include "FTFont.h"
# endif
#else
# define FONT_SCALE 1.0
#endif
using std::vector;
using std::string;
using std::wstring;
/*-----------------------------------------------------------------
-------------------------------------------------------------------
CLASS
TextBase
Base class for text objects
DESCRIPTION
"ft1" - The font size
"text" - The text to draw
-----------------------------------------------------------------*/
class GEM_EXTERN TextBase : public GemBase
{
CPPEXTERN_HEADER(TextBase, GemBase);
public:
//////////
// Constructor with args
TextBase(int argc, t_atom *argv);
protected:
//////////
// Destructor
virtual ~TextBase();
//////////
// Do the rendering
virtual void render(GemState*);
//////////
// break a string according to '\n'
virtual void breakLine(wstring line);
//-- moocow
//////////
// Set the text string from an ASCII list
virtual void stringMess(int argc, t_atom *argv);
//-- /moocow
//////////
// Set the text string
virtual void textMess(int argc, t_atom *argv);
//////////
// The font to use
virtual void fontNameMess(const std::string filename);
//////////
// set line distance
virtual void linedistMess(float dist);
//////////
// Set the font size
virtual void setFontSize(float size);
virtual void setFontSize();
//////////
// Set the precision for rendering
virtual void setPrecision(float prec);
//////////
// The different types of justification
enum JustifyWidth { LEFT, RIGHT, CENTER, BASEW };
enum JustifyHeight { BOTTOM, TOP, MIDDLE, BASEH };
enum JustifyDepth { FRONT, BACK, HALFWAY, BASED };
//////////
// Set the justification
virtual void setJustification(JustifyWidth wType);
virtual void setJustification(JustifyWidth wType, JustifyHeight hType);
virtual void setJustification(JustifyWidth wType, JustifyHeight hType, JustifyDepth dType);
//////////
// do the justification
// x1,...,z2 just defines the bounding box of the rendered string.
// y_offset is the offset of the current line
virtual void justifyFont(float x1, float y1, float z1,
float x2, float y2, float z2, float y_offset=0);
//-----------------------------------
// GROUP: Member variables
//-----------------------------------
//////////
// The text to display
// (one entry for each line)
vector<wstring> m_theText;
//////////
// distance between the lines
// (1 = 1 line, 0.5 = 0.5 lines, ...)
float m_dist;
///////////
// vector with the offset
// of the individual lines
vector<float> m_lineDist;
//////////
// Do we have a valid font?
int m_valid;
//////////
// The font fize
float m_fontSize;
//////////
// The font depth (only for extruded fonts)
float m_fontDepth;
//////////
// The rendering precision
float m_precision;
//////////
// The width justification
JustifyWidth m_widthJus;
//////////
// The height justification
JustifyHeight m_heightJus;
//////////
// The depth justification
JustifyDepth m_depthJus;
//////////
// The inlet
t_inlet *m_inlet;
//////////
// The default font name
static std::string DEFAULT_FONT;
//////////
// The font structure
#ifdef FTGL
FTFont *m_font;
/* this should delete (m_font) if it is notnull and recreate it.
* a pointer to the new structure is returned (and is set to m_font).
* if creation fails, the font is cleaned-up and NULL is returned
*/
virtual FTFont* makeFont(const char*fontname)=0;
/* this is just handy to reload a font */
t_symbol* m_fontname;
/* on starting to render, we reload the font, to make sure it is there
* this rids us of having to reload the font by hand everytime the rendering is restarted
*/
virtual void startRendering(void);
/* render one line of the text */
virtual void renderLine(const char*line,float dist);
virtual void renderLine(const wchar_t*line,float dist);
#endif
private:
///////////
// helpers:
///////////
// helper to make the
// line distance vector
void makeLineDist();
//////////
// Static member functions
static void textMessCallback(void *data, t_symbol *, int argc, t_atom *argv);
static void stringMessCallback(void *data, t_symbol *, int argc, t_atom *argv); //--moo
static void fontSizeMessCallback(void *data, t_floatarg size);
static void linedistMessCallback(void *data, t_floatarg dist);
static void precisionMessCallback(void *data, t_floatarg prec);
static void fontNameMessCallback(void *data, t_symbol *s);
static void justifyMessCallback(void *data, t_symbol *, int, t_atom*);
};
#endif // for header file
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