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add font alignment

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This commit is contained in:
Glenn Maynard
2003-01-06 23:49:43 +00:00
parent 71bd9579e0
commit c6e63f37d3
3 changed files with 87 additions and 25 deletions
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stepmania/src/Font.cpp
+32 -4
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@@ -37,6 +37,25 @@ void FontPage::Load( const CString &TexturePath, const FontPageSettings &cfg )
m_pTexture = TEXTUREMAN->LoadTexture( m_sTexturePath );
ASSERT( m_pTexture != NULL );
/* All characters on a page have the same vertical spacing, baseline
* and center. */
baseline = cfg.Baseline;
if(baseline == -1)
{
/* The default baseline is 75% down the frame; this is where it
* tends to be. */
baseline = int(m_pTexture->GetTextureFrameHeight() * .75f);
}
center = cfg.Center;
if(center == -1)
{
/* We don't know the center, so assume it's the center of the frame. */
center = m_pTexture->GetSourceFrameHeight()/2;
}
kanji = cfg.Kanji;
// load character widths
vector<int> FrameWidths;
int i;
@@ -66,7 +85,6 @@ void FontPage::Load( const CString &TexturePath, const FontPageSettings &cfg )
m_iCharToGlyphNo = cfg.CharToGlyphNo;
/* All characters on a page have the same vertical spacing. */
int LineSpacing = cfg.LineSpacing;
if(LineSpacing == -1)
LineSpacing = m_pTexture->GetSourceFrameHeight();
@@ -81,6 +99,8 @@ void FontPage::SetTextureCoords(const vector<int> &widths, int LineSpacing)
{
glyph g;
g.fp = this;
/* Make a copy of each texture rect, reducing each to the actual dimensions
* of the character (most characters don't take a full block). */
g.rect = *m_pTexture->GetTextureCoordRect(i);;
@@ -92,10 +112,11 @@ void FontPage::SetTextureCoords(const vector<int> &widths, int LineSpacing)
/* By default, advance one pixel more than the width. (This could be
* an option.) */
g.hadvance = int(g.width + 1);
g.vadvance = LineSpacing;
/* Shift the character up so the top of the rendered quad is at the top
* of the character. */
g.vshift = -(m_pTexture->GetSourceFrameHeight() - LineSpacing)/2.0f;
g.vshift = -(m_pTexture->GetSourceFrameHeight() - g.vadvance)/2.0f;
/* Do the same thing with X. Do this by changing the actual rendered
* rect, instead of shifting it, so we don't render more than we need to. */
@@ -115,7 +136,6 @@ void FontPage::SetTextureCoords(const vector<int> &widths, int LineSpacing)
g.rect.right -= fTexCoordsToChopOff/2;
}
g.vadvance = LineSpacing;
g.Texture = m_pTexture;
glyphs.push_back(g);
@@ -158,7 +178,6 @@ FontPage::~FontPage()
TEXTUREMAN->UnloadTexture( m_pTexture );
}
int Font::GetLineWidthInSourcePixels( const lstring &szLine ) const
{
int LineWidth = 0;
@@ -261,3 +280,12 @@ void Font::CapsOnly()
m_iCharToGlyph[(char) tolower(c)] = it->second;
}
}
void Font::SetDefaultGlyph(FontPage *fp)
{
ASSERT(fp);
ASSERT(!fp->glyphs.empty());
def = fp;
}