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more bitmap font work

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This commit is contained in:
Glenn Maynard
2003-01-04 01:47:01 +00:00
parent 1c6dba0ccc
commit 4bb452404c
4 changed files with 99 additions and 55 deletions
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stepmania/src/BitmapText.cpp
+26 -23
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@@ -104,6 +104,7 @@ void BitmapText::SetText( CString sText )
/* Break the string into lines. */
m_szTextLines.clear();
m_iLineWidths.clear();
m_iLineHeights.clear();
split(m_szText, "\n", m_szTextLines, false);
@@ -113,6 +114,7 @@ void BitmapText::SetText( CString sText )
for( unsigned l=0; l<m_szTextLines.size(); l++ ) // for each line
{
m_iLineWidths.push_back(m_pFont->GetLineWidthInSourcePixels( m_szTextLines[l] ));
m_iLineHeights.push_back(m_pFont->GetLineHeightInSourcePixels( m_szTextLines[l] ));
m_iWidestLineWidth = max(m_iWidestLineWidth, m_iLineWidths.back());
}
}
@@ -157,30 +159,31 @@ void BitmapText::DrawPrimitives()
int iNumV = 0; // the current vertex number
// make the object in logical units centered at the origin
const int iHeight = pTexture->GetSourceFrameHeight(); // height of a character
const int iLineSpacing = m_pFont->m_iLineSpacing; // spacing between lines
float TotalHeight = 0;
unsigned i;
for(i = 0; i < m_szTextLines.size(); ++i)
TotalHeight += m_iLineHeights[i];
int iY; // the center position of the first row of characters
float iY; // the top position of the first row of characters
switch( m_VertAlign )
{
case align_bottom: iY = -(int(m_szTextLines.size())) * iLineSpacing + iLineSpacing/2; break;
case align_middle: iY = -(int(m_szTextLines.size())-1) * iLineSpacing/2; break;
case align_top: iY = + iLineSpacing/2; break;
default: ASSERT( false ); return;
case align_top: iY = 0; break;
case align_middle: iY = -TotalHeight/2.0f; break;
case align_bottom: iY = -TotalHeight; break;
default: ASSERT( false ); return;
}
for( unsigned i=0; i<m_szTextLines.size(); i++ ) // foreach line
for( i=0; i<m_szTextLines.size(); i++ ) // foreach line
{
const CString &szLine = m_szTextLines[i];
const int iLineWidth = m_iLineWidths[i];
const float fLineWidth = float(m_iLineWidths[i]);
int iX;
float iX;
switch( m_HorizAlign )
{
case align_left: iX = 0; break;
case align_center: iX = -(iLineWidth/2); break;
case align_right: iX = -iLineWidth; break;
case align_center: iX = -fLineWidth/2.0f; break;
case align_right: iX = -fLineWidth; break;
default: ASSERT( false ); return;
}
@@ -195,24 +198,24 @@ void BitmapText::DrawPrimitives()
const glyph &g = m_pFont->GetGlyph(iFrameNo);
/* set vertex positions */
v[iNumV++].p = RageVector3( (float)iX-g.left, iY-iHeight/2.0f, 0 ); // top left
v[iNumV++].p = RageVector3( (float)iX-g.left, iY+iHeight/2.0f, 0 ); // bottom left
v[iNumV++].p = RageVector3( (float)iX+g.right, iY+iHeight/2.0f, 0 ); // bottom right
v[iNumV++].p = RageVector3( (float)iX+g.right, iY-iHeight/2.0f, 0 ); // top right
v[iNumV++].p = RageVector3( (float)iX+g.hshift, iY+g.vshift, 0 ); // top left
v[iNumV++].p = RageVector3( (float)iX+g.hshift, iY+g.vshift+g.height, 0 ); // bottom left
v[iNumV++].p = RageVector3( (float)iX+g.hshift+g.width, iY+g.vshift+g.height, 0 ); // bottom right
v[iNumV++].p = RageVector3( (float)iX+g.hshift+g.width, iY+g.vshift, 0 ); // top right
/* Advance the cursor. */
iX += g.width;
iX += g.advance;
/* set texture coordinates */
iNumV -= 4;
v[iNumV++].t = RageVector2( g.rect.left, g.rect.top ); // top left
v[iNumV++].t = RageVector2( g.rect.left, g.rect.bottom ); // bottom left
v[iNumV++].t = RageVector2( g.rect.right, g.rect.bottom ); // bottom right
v[iNumV++].t = RageVector2( g.rect.right, g.rect.top ); // top right
v[iNumV++].t = RageVector2( g.rect.left, g.rect.top );
v[iNumV++].t = RageVector2( g.rect.left, g.rect.bottom );
v[iNumV++].t = RageVector2( g.rect.right, g.rect.bottom );
v[iNumV++].t = RageVector2( g.rect.right, g.rect.top );
}
iY += iLineSpacing;
iY += m_iLineHeights[i];
}