Method importStrip

Engine/source/gfx/gFont.cpp:891–1028

}

void GFont::importStrip(const char *fileName, U32 padding, U32 kerning)
{
   // Wipe our texture sheets, and reload bitmap data from the specified file.
   // Also deal with kerning.
   // Also, we may have to load RGBA instead of RGB.

   // Wipe our texture sheets.
   mCurSheet = mCurX = mCurY = 0;
   mTextureSheets.clear();

   //  Now, load the font strip.
   Resource<GBitmap> strip = GBitmap::load(fileName);

   if(!strip)
   {
      Con::errorf("GFont::importStrip - could not load file '%s'!", fileName);
      return;
   }

   // And get parsing and copying - load up all the characters as separate
   // GBitmaps, sort, then pack. Not terribly efficient but this is basically
   // on offline task anyway.

   // Ok, snag some glyphs.
   Vector<GlyphMap> glyphList;
   glyphList.reserve(mCharInfoList.size());

   U32 curWidth = 0;
   for(S32 i=0; i<mCharInfoList.size(); i++)
   {
      // Skip invalid stuff.
      if(mCharInfoList[i].bitmapIndex == -1 || mCharInfoList[i].height == 0 || mCharInfoList[i].width == 0)
         continue;

      // Allocate a new bitmap for this glyph, taking into account kerning and padding.
      glyphList.increment();
      GlyphMap& lastGlyphMap = glyphList.last();
      lastGlyphMap.bitmap = new GBitmap(mCharInfoList[i].width + kerning + 2 * padding, mCharInfoList[i].height + 2 * padding, false, strip->getFormat());
      lastGlyphMap.charId = i;

      // Copy the rect.
      RectI ri(curWidth, getBaseline() - mCharInfoList[i].yOrigin, lastGlyphMap.bitmap->getWidth(), lastGlyphMap.bitmap->getHeight());
      Point2I outRi(0,0);
      lastGlyphMap.bitmap->copyRect(strip, ri, outRi);

      // Update glyph attributes.
      mCharInfoList[i].width = lastGlyphMap.bitmap->getWidth();
      mCharInfoList[i].height = lastGlyphMap.bitmap->getHeight();
      mCharInfoList[i].xOffset -= kerning + padding;
      mCharInfoList[i].xIncrement += kerning;
      mCharInfoList[i].yOffset -= padding;

      // Advance.
      curWidth += ri.extent.x;
   }

   // Ok, we have a big list of glyphmaps now. So let's sort them, then pack them.
   dQsort(glyphList.address(), glyphList.size(), sizeof(GlyphMap), GlyphMapCompare);