void FontGen::Go()
{
// Starts genereting the font stuff
PrepareFont();
PrepareBitmap();
PrepareHeader();
DrawFont();
if (!cppFormat)
{
SaveTarga();
SaveFontdef();
}
else
{
SaveCpp();
}
}
//-----------------------------------------------------------------------------
// The font class constructor
//-----------------------------------------------------------------------------
Font::Font( char *name, short size, unsigned long bold, bool italic )
{
HBITMAP bitmap = NULL;
HGDIOBJ oldBitmap = NULL;
HFONT oldFont = NULL;
BYTE *dstRow = NULL;
unsigned long x, y;
HDC hDC = CreateCompatibleDC( NULL );
SetMapMode( hDC, MM_TEXT );
// Create the font.
char height = -MulDiv( size, GetDeviceCaps( hDC, LOGPIXELSY ), 72 );
HFONT font = CreateFontA( height, 0, 0, 0, bold, italic, false, false, DEFAULT_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, ANTIALIASED_QUALITY, VARIABLE_PITCH, name );
if( font == NULL )
goto End;
oldFont = (HFONT)SelectObject( hDC, font );
// Find the dimensions of the smallest texture to hold the characters.
m_textureWidth = m_textureHeight = 128;
while( !PrepareFont( hDC, true ) )
{
m_textureWidth *= 2;
m_textureHeight *= 2;
}
// Create a new texture for the font
if( FAILED( g_engine->GetDevice()->CreateTexture( m_textureWidth, m_textureHeight, 1, 0, D3DFMT_A4R4G4B4, D3DPOOL_MANAGED, &m_texture, NULL ) ) )
goto End;
// Prepare the bitmap.
unsigned long *bitmapBits;
BITMAPINFO bmi;
ZeroMemory( &bmi.bmiHeader, sizeof( BITMAPINFOHEADER ) );
bmi.bmiHeader.biSize = sizeof( BITMAPINFOHEADER );
bmi.bmiHeader.biWidth = (int)m_textureWidth;
bmi.bmiHeader.biHeight = -(int)m_textureHeight;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biCompression = BI_RGB;
bmi.bmiHeader.biBitCount = 32;
// Create a bitmap for the font.
bitmap = CreateDIBSection( hDC, &bmi, DIB_RGB_COLORS, (void**)&bitmapBits, NULL, 0 );
oldBitmap = SelectObject( hDC, bitmap );
// Set the text properties.
SetTextColor( hDC, RGB( 255,255,255 ) );
SetBkColor( hDC, 0x00000000 );
SetTextAlign( hDC, TA_TOP );
// Prepare the font by drawing the characters onto the bitmap.
if( !PrepareFont( hDC ) )
goto End;
// Lock the surface and write the alpha values for the set pixels.
D3DLOCKED_RECT d3dlr;
m_texture->LockRect( 0, &d3dlr, 0, 0 );
dstRow = (BYTE*)d3dlr.pBits;
WORD *dst16;
BYTE alpha;
for( y = 0; y < m_textureHeight; y++ )
{
dst16 = (WORD*)dstRow;
for( x = 0; x < m_textureWidth; x++ )
{
alpha = (BYTE)( ( bitmapBits[m_textureWidth*y + x] & 0xff ) >> 4 );
if( alpha > 0 )
*dst16++ = (WORD)( ( alpha << 12 ) | 0x0fff );
else
*dst16++ = 0x0000;
}
dstRow += d3dlr.Pitch;
}
// Create the vertex buffer for the characters.
g_engine->GetDevice()->CreateVertexBuffer( 1020 * sizeof( TLVertex ), D3DUSAGE_WRITEONLY | D3DUSAGE_DYNAMIC, 0, D3DPOOL_DEFAULT, &m_vb, NULL );
// Prepare the alpha testing for rendering the characters.
g_engine->GetDevice()->SetRenderState( D3DRS_ALPHAREF, 0x08 );
g_engine->GetDevice()->SetRenderState( D3DRS_ALPHAFUNC, D3DCMP_GREATEREQUAL );
// Create a state block for capturing the volatile render states.
g_engine->GetDevice()->BeginStateBlock();
g_engine->GetDevice()->SetRenderState( D3DRS_LIGHTING, false );
g_engine->GetDevice()->SetRenderState( D3DRS_ALPHATESTENABLE, false );
g_engine->GetDevice()->SetRenderState( D3DRS_FOGENABLE, false );
g_engine->GetDevice()->EndStateBlock( &m_states );
// Clean up and return.
End:
if( m_texture )
m_texture->UnlockRect( 0 );
SelectObject( hDC, oldBitmap );
SelectObject( hDC, oldFont );
DeleteObject( bitmap );
DeleteObject( font );
DeleteDC( hDC );
}
