Method addBitmap

Engine/source/gfx/gFont.cpp:301–358

}

void GFont::addBitmap(PlatformFont::CharInfo &charInfo)
{
   U32 nextCurX = U32(mCurX + charInfo.width ); /*7) & ~0x3;*/
   U32 nextCurY = U32(mCurY + mPlatformFont->getFontHeight()); // + 7) & ~0x3;

   // These are here for postmortem debugging.
   bool routeA = false, routeB = false;

   if(mCurSheet == -1 || nextCurY >= TextureSheetSize)
   {
      routeA = true;
      addSheet();

      // Recalc our nexts.
      nextCurX = U32(mCurX + charInfo.width); // + 7) & ~0x3;
      nextCurY = U32(mCurY + mPlatformFont->getFontHeight()); // + 7) & ~0x3;
   }

   if( nextCurX >= TextureSheetSize)
   {
      routeB = true;
      mCurX = 0;
      mCurY = nextCurY;

      // Recalc our nexts.
      nextCurX = U32(mCurX + charInfo.width); // + 7) & ~0x3;
      nextCurY = U32(mCurY + mPlatformFont->getFontHeight()); // + 7) & ~0x3;
   }

   // Check the Y once more - sometimes we advance to a new row and run off
   // the end.
   if(nextCurY >= TextureSheetSize)
   {
      routeA = true;
      addSheet();

      // Recalc our nexts.
      nextCurX = U32(mCurX + charInfo.width); // + 7) & ~0x3;
      nextCurY = U32(mCurY + mPlatformFont->getFontHeight()); // + 7) & ~0x3;
   }

    charInfo.bitmapIndex = mCurSheet;
    charInfo.xOffset = mCurX;
    charInfo.yOffset = mCurY;

   mCurX = nextCurX;

   S32 x, y;
   GBitmap *bmp = mTextureSheets[mCurSheet].getBitmap();

   AssertFatal(bmp->getFormat() == GFXFormatA8, "GFont::addBitmap - cannot added characters to non-greyscale textures!");

   for(y = 0;y < charInfo.height;y++)
      for(x = 0;x < charInfo.width;x++)
         *bmp->getAddress(x + charInfo.xOffset, y + charInfo.yOffset) = charInfo.bitmapData[y * charInfo.width + x];

   mTextureSheets[mCurSheet].refresh();
}