actions/itgmania212121
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

Set up texture coords for fonts in Font, so we don't have to deal with

Browse Source 
it in BitmapText.
This commit is contained in:
Glenn Maynard
2003-01-03 20:59:50 +00:00
parent 55e92e771d
commit e89ddf7e3d
3 changed files with 92 additions and 61 deletions
Download Patch File Download Diff File Expand all files Collapse all files
stepmania/src/BitmapText.cpp
+13 -33
View File
@@ -160,7 +160,6 @@ void BitmapText::DrawPrimitives()
// 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
const int iFrameWidth = pTexture->GetSourceFrameWidth(); // width of a character frame in logical units
int iY; // the center position of the first row of characters
switch( m_VertAlign )
@@ -191,44 +190,25 @@ void BitmapText::DrawPrimitives()
const int iFrameNo = m_pFont->m_iCharToFrameNo[ (unsigned char)c ];
if( iFrameNo == -1 ) // this font doesn't impelemnt this character
RageException::Throw( "The font '%s' does not implement the character '%c'", m_sFontFilePath.GetString(), c );
const int iCharWidth = m_pFont->m_iFrameNoToWidth[iFrameNo];
// The right side of any italic letter is being cropped. So, we're going to draw a little bit
// to the right of the normal character.
const int iDrawExtraPixelsLeft = min( m_pFont->m_iDrawExtraPixelsLeft, (iFrameWidth-iCharWidth)/2 );
const int iDrawExtraPixelsRight = min( m_pFont->m_iDrawExtraPixelsRight, (iFrameWidth-iCharWidth)/2 );
/* set vertex positions */
v[iNumV++].p = RageVector3( (float)iX-m_pFont->m_Left[iFrameNo], iY-iHeight/2.0f, 0 ); // top left
v[iNumV++].p = RageVector3( (float)iX-m_pFont->m_Left[iFrameNo], iY+iHeight/2.0f, 0 ); // bottom left
v[iNumV++].p = RageVector3( (float)iX+m_pFont->m_Right[iFrameNo], iY+iHeight/2.0f, 0 ); // bottom right
v[iNumV++].p = RageVector3( (float)iX+m_pFont->m_Right[iFrameNo], iY-iHeight/2.0f, 0 ); // top right
//
// set vertex positions
//
v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft, iY-iHeight/2.0f, 0 ); // top left
v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft, iY+iHeight/2.0f, 0 ); // bottom left
v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft+iCharWidth+iDrawExtraPixelsRight, iY+iHeight/2.0f, 0 ); // bottom right
v[iNumV++].p = RageVector3( (float)iX-iDrawExtraPixelsLeft+iCharWidth+iDrawExtraPixelsRight, iY-iHeight/2.0f, 0 ); // top right
/* Advance the cursor. */
iX += m_pFont->m_iFrameNoToWidth[iFrameNo];
iX += iCharWidth;
//
// set texture coordinates
//
/* set texture coordinates */
iNumV -= 4;
RectF frectTexCoords = *pTexture->GetTextureCoordRect( iFrameNo );
RectF frectTexCoords = m_pFont->GetTextureCoordRect( iFrameNo );
// Tweak the textures frame rectangles so we don't draw extra
// to the left and right of the character, saving us fill rate.
float fPixelsToChopOff = pTexture->GetSourceFrameWidth() - (float)iCharWidth;
float fTexCoordsToChopOff = fPixelsToChopOff / pTexture->GetSourceWidth();
frectTexCoords.left += fTexCoordsToChopOff/2;
frectTexCoords.right -= fTexCoordsToChopOff/2;
const float fExtraTexCoordsLeft = iDrawExtraPixelsLeft / (float)pTexture->GetSourceWidth();
const float fExtraTexCoordsRight = iDrawExtraPixelsRight / (float)pTexture->GetSourceWidth();
v[iNumV++].t = RageVector2( frectTexCoords.left - fExtraTexCoordsLeft, frectTexCoords.top ); // top left
v[iNumV++].t = RageVector2( frectTexCoords.left - fExtraTexCoordsLeft, frectTexCoords.bottom ); // bottom left
v[iNumV++].t = RageVector2( frectTexCoords.right + fExtraTexCoordsRight, frectTexCoords.bottom ); // bottom right
v[iNumV++].t = RageVector2( frectTexCoords.right + fExtraTexCoordsRight, frectTexCoords.top ); // top right
v[iNumV++].t = RageVector2( frectTexCoords.left, frectTexCoords.top ); // top left
v[iNumV++].t = RageVector2( frectTexCoords.left, frectTexCoords.bottom ); // bottom left
v[iNumV++].t = RageVector2( frectTexCoords.right, frectTexCoords.bottom ); // bottom right
v[iNumV++].t = RageVector2( frectTexCoords.right, frectTexCoords.top ); // top right
}
iY += iLineSpacing;