#include "objfont.h"
#include "objgfx30.h"
#include <string.h>
#include <stdlib.h>

TFont::TFont(TGfx0* buffer) {
  Buf = buffer;
  FontDataSize = 0;
  memset(FontDataIdx,0,sizeof(FontDataIdx));
  memset(CharWidthTable,0,sizeof(CharWidthTable));
  memset(CharHeightTable,0,sizeof(CharHeightTable));
  FontData = 0;
  return;
} // TFont::TFont

void TFont::CenterTextX(Int32 y, const char * TextString ) {
  Int32 x;
  x = ((Buf->getMaxX()+1)-TextWidth(TextString)) / 2;
  PutText(x,y,TextString);
  return;
} // TFont::CenterTextX

void TFont::JustifyText(UInt8 Horiz, UInt8 Vert, const char * TextString) {
  UInt32 x,y;
  switch (Horiz) {
  case LeftText:
    x = 0;
    break;
  case CenterText:
    x = ((Buf->getMaxX())-TextWidth(TextString)) / 2;
    break;
  case RightText:
    x = (Buf->getMaxX())-TextWidth(TextString);
    break;
  default:
    return;
  } // switch

  switch (Vert) {
  case TopText:
    y = 0; 
    break;
  case CenterText:
    y = ((Buf->getMaxY())-TextHeight(TextString)) / 2;
    break;
  case BottomText:
    y = (Buf->getMaxY())-TextHeight(TextString);
  default: 
    return;
  } // switch
  PutText(x,y,TextString);
  return;
} // TFont::JustifyText

UInt32 TFont::TextHeight(const char * TextString) {
  UInt32 size, tmpsize;
  size = 0;
  if (TextString)
    while (*TextString) {
      tmpsize = CharHeightTable[*TextString++];
      if (tmpsize>size) size = tmpsize;
    }
  return size;
} // TFont::TextHeight

UInt32 TFont::TextWidth(const char * TextString) {
  UInt32 size=0;
  if (TextString)
    while (*TextString) 
      size+=CharWidthTable[*TextString++];
  return size;
} // TFont::TextWidth

TFont::~TFont(void) {
  if (FontDataSize) free(FontData);
  return;
} // TFont::~TFont