void CImageGUISkin::drawHorizontalProgressBar( IGUIElement* element, const core::rect<s32>& rectangle, const core::rect<s32>* clip,
            f32 filledRatio, video::SColor fillColor )
{
    if ( !Config.ProgressBar.Texture || !Config.ProgressBarFilled.Texture )
    {
        return;
    }

    // Draw empty progress bar
    drawElementStyle( Config.ProgressBar, rectangle, clip );

    // Draw filled progress bar on top
    if ( filledRatio < 0.0f )
        filledRatio = 0.0f;
    else
    if ( filledRatio > 1.0f )
        filledRatio = 1.0f;

    if ( filledRatio > 0.0f )
    {
        s32 filledPixels = (s32)( filledRatio * rectangle.getSize().Width );
        s32 height = rectangle.getSize().Height;

        core::rect<s32> clipRect = clip? *clip:rectangle;
        if ( filledPixels < height )
        {
            if ( clipRect.LowerRightCorner.X > rectangle.UpperLeftCorner.X + filledPixels )
                clipRect.LowerRightCorner.X = rectangle.UpperLeftCorner.X + filledPixels;

            filledPixels = height;
        }

        core::rect<s32> filledRect = core::rect<s32>(
            rectangle.UpperLeftCorner.X,
            rectangle.UpperLeftCorner.Y,
            rectangle.UpperLeftCorner.X + filledPixels,
            rectangle.LowerRightCorner.Y );

        drawElementStyle( Config.ProgressBarFilled, filledRect, &clipRect, &fillColor );
    }
}
void CImageGUISkin::drawElementStyle( const SImageGUIElementStyle& elem, const core::rect<s32>& rect, const core::rect<s32>* clip, video::SColor* pcolor  )
{
    core::rect<s32> srcRect;
    core::rect<s32> dstRect;
    core::dimension2d< u32 > tsize = elem.Texture->getSize();
    video::ITexture* texture = elem.Texture;

    video::SColor color = elem.Color;
    if ( pcolor )
        color = *pcolor;

    video::SColor faceColor = getColor(EGDC_3D_FACE);
    color.setRed( (u8)(color.getRed() * faceColor.getRed() / 255) );
    color.setGreen( (u8)(color.getGreen() * faceColor.getGreen() / 255) );
    color.setBlue( (u8)(color.getBlue() * faceColor.getBlue() / 255) );
    color.setAlpha( (u8)(color.getAlpha() * faceColor.getAlpha() / 255 ) );

    video::SColor colors [4] = { color, color, color, color };

    core::dimension2di dstSize = rect.getSize();

    // Scale the border if there is insufficient room
    SImageGUIElementStyle::SBorder dst = elem.DstBorder;
    f32 scale = 1.0f;
    if ( dstSize.Width < dst.Left + dst.Right )
    {
        scale = dstSize.Width / (f32)( dst.Left + dst.Right );
    }
    if ( dstSize.Height < dst.Top + dst.Bottom )
    {
        f32 x = dstSize.Height / (f32)( dst.Top + dst.Bottom );
        if ( x < scale )
        {
            scale = x;
        }
    }

    if ( scale < 1.0f )
    {
        dst.Left = (s32)( dst.Left * scale );
        dst.Right = (s32)( dst.Right * scale );
        dst.Top = (s32)( dst.Top * scale );
        dst.Bottom = (s32)( dst.Bottom * scale );
    }

    const SImageGUIElementStyle::SBorder& src = elem.SrcBorder;

    // Draw the top left corner
    srcRect = core::rect<s32>( 0, 0, src.Left, src.Top );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X, rect.UpperLeftCorner.Y, rect.UpperLeftCorner.X+dst.Left, rect.UpperLeftCorner.Y+dst.Top );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the top right corner
    srcRect = core::rect<s32>( tsize.Width-src.Right, 0, tsize.Width, src.Top );
    dstRect = core::rect<s32>( rect.LowerRightCorner.X-dst.Right, rect.UpperLeftCorner.Y, rect.LowerRightCorner.X, rect.UpperLeftCorner.Y+dst.Top );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the top border
    srcRect = core::rect<s32>( src.Left, 0, tsize.Width-src.Right, src.Top );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X+dst.Left, rect.UpperLeftCorner.Y, rect.LowerRightCorner.X-dst.Right, rect.UpperLeftCorner.Y+dst.Top );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the left border
    srcRect = core::rect<s32>( 0, src.Top, src.Left, tsize.Height-src.Bottom );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X, rect.UpperLeftCorner.Y+dst.Top, rect.UpperLeftCorner.X+dst.Left, rect.LowerRightCorner.Y-dst.Bottom );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the right border
    srcRect = core::rect<s32>( tsize.Width-src.Right, src.Top, tsize.Width, tsize.Height-src.Bottom );
    dstRect = core::rect<s32>( rect.LowerRightCorner.X-dst.Right, rect.UpperLeftCorner.Y+dst.Top, rect.LowerRightCorner.X, rect.LowerRightCorner.Y-dst.Bottom );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the middle section
    srcRect = core::rect<s32>( src.Left, src.Top, tsize.Width-src.Right, tsize.Height-src.Bottom );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X+dst.Left, rect.UpperLeftCorner.Y+dst.Top, rect.LowerRightCorner.X-dst.Right, rect.LowerRightCorner.Y-dst.Bottom );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the bottom left corner
    srcRect = core::rect<s32>( 0, tsize.Height-src.Bottom, src.Left, tsize.Height );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X, rect.LowerRightCorner.Y-dst.Bottom, rect.UpperLeftCorner.X+dst.Left, rect.LowerRightCorner.Y );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the bottom right corner
    srcRect = core::rect<s32>( tsize.Width-src.Right, tsize.Height-src.Bottom, tsize.Width, tsize.Height );
    dstRect = core::rect<s32>( rect.LowerRightCorner.X-dst.Right, rect.LowerRightCorner.Y-dst.Bottom, rect.LowerRightCorner.X, rect.LowerRightCorner.Y );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );

    // Draw the bottom border
    srcRect = core::rect<s32>( src.Left, tsize.Height-src.Bottom, tsize.Width-src.Right, tsize.Height );
    dstRect = core::rect<s32>( rect.UpperLeftCorner.X+dst.Left, rect.LowerRightCorner.Y-dst.Bottom, rect.LowerRightCorner.X-dst.Right, rect.LowerRightCorner.Y );
    if ( !clip || clipRects( dstRect, srcRect, *clip ) )
        VideoDriver->draw2DImage( texture, dstRect, srcRect, clip, colors, true );
}