Beispiel #1
0
    /// <summary>
    /// Gets the font associated w
    /// </summary>
    /// <returns>
    /// The font.
    /// </returns>
    /// <param name='engine'>
    /// Engine.
    /// </param>
    /// <param name='fontid'>
    /// Fontid.
    /// </param>
    /// <param name='parameters'>
    /// Parameters.
    /// </param>
    public object GetFont(ref int engine, ref string fontid, ref object parameters)
    {
        object f  = null;
        int    fp = engine;

        engine = -1;

        if ((!overrideFontId) && (stackparent != null))
        {
            return(stackparent.GetFont(ref engine, ref fontid, ref parameters));
        }

        //fp = PreferredEngine (Application.platform);
        try {
            parameters = GetFontEngineParameters(fp);
            if (parameters != null)
            {
                fontid = GetFontEngineFontIdD(fp);
                f      = TTFTextInternal.TTFTextFontEngine.font_engines [fp].GetFont(parameters, fontid);
            }
        } catch {
        }



        if (f == null)
        {
            Debug.Log(System.String.Format("GetFont : Provider={0} Trying alternate engine..", fp));
            for (fp = 0; fp < TTFTextInternal.TTFTextFontEngine.font_engines.Length; fp++)
            {
                try {
                    parameters = GetFontEngineParameters(fp);
                    if (parameters != null)
                    {
                        fontid = GetFontEngineFontIdD(fp);
                        f      = TTFTextInternal.TTFTextFontEngine.font_engines [fp].GetFont(parameters, fontid);
                        if (f != null)
                        {
                            break;
                        }
                    }
                } catch {
                }
            }
        }

        engine = fp;

        return(f);
    }
        /// <summary>
        /// Appends some text to the line.
        /// </summary>
        /// <param name='s'>
        ///  text to be appended.
        /// </param>
        /// <exception cref='System.Exception'>
        /// Is thrown when the font may not be found, or when we
        /// are unable to compute the layout info
        /// </exception>
        public void AppendText(string s)
        {
            if (s.Length == 0)
            {
                return;
            }
            int l0 = linetext.Length;

            linetext += s;
#if TTFTEXT_LITE
            if (tm.DemoMode)
            {
#endif
            SetCharStyle(l0, l0 + s.Length, tm.currentStyleIdx);
#if TTFTEXT_LITE
        }

        else
        {
            SetCharStyle(l0, l0 + s.Length, 0);
        }
#endif

            // UPDATE THE METRIC INFO
            object f          = null;
            object parameters = null;
            ;
            int fp           = 0;
            float sumadvance = 0;
            for (int i = 0; i < l0; i++)
            {
                sumadvance += charadvances[i];
            }
            string currentfontid = "";

            //f = tm.InitTextStyle.GetFont (ref fp, ref currentfontid, ref parameters);
            //f = tm.CurrentTextStyle.GetFont (ref fp, ref currentfontid, ref parameters);
#if !TTFTEXT_LITE
            f = tm.CurrentTextStyle.GetFont(ref fp, ref currentfontid, ref parameters);
#else
            fp            = 0;
            currentfontid = tm.CurrentTextStyle.FontId;
            parameters    = tm.CurrentTextStyle.GetFontEngineParameters(0);
            if (parameters == null)
            {
                System.Type t = TTFTextInternal.TTFTextFontEngine.font_engines [0].GetType().GetNestedType("Parameters");
                tm.CurrentTextStyle.SetFontEngineParameters(0, t.InvokeMember(t.Name, BindingFlags.CreateInstance, null, null, null));
                parameters = tm.CurrentTextStyle.GetFontEngineParameters(0);
            }
            f = TTFTextInternal.TTFTextFontEngine.font_engines[0].GetFont(parameters, currentfontid);
#endif

            if (f == null)
            {
                //throw new System.Exception ("Font not found :" + fp + "/" + tm.InitTextStyle.GetFontEngineFontId (fp));
                throw new System.Exception("Font not found :" + fp + "/" + tm.CurrentTextStyle.GetFontEngineFontId(fp));
            }

            for (int i = 0; i < s.Length; i++)
            {
                TTFTextStyle cttfstyle = GetCharStyle(l0 + i);

                if ((cttfstyle != null) && (currentfontid != cttfstyle.GetFontEngineFontIdD(fp)))
                {
                    TTFTextFontEngine.font_engines [fp].DisposeFont(f);
//					f = cttfstyle.GetFont (ref fp, ref currentfontid, ref parameters);
#if !TTFTEXT_LITE
                    f = cttfstyle.GetFont(ref fp, ref currentfontid, ref parameters);
#else
                    fp            = 0;
                    currentfontid = cttfstyle.FontId;
                    parameters    = cttfstyle.GetFontEngineParameters(0);
                    if (parameters == null)
                    {
                        System.Type t = TTFTextInternal.TTFTextFontEngine.font_engines [0].GetType().GetNestedType("Parameters");
                        cttfstyle.SetFontEngineParameters(0, t.InvokeMember(t.Name, BindingFlags.CreateInstance, null, null, null));
                        parameters = tm.CurrentTextStyle.GetFontEngineParameters(0);
                    }
                    f = TTFTextInternal.TTFTextFontEngine.font_engines[0].GetFont(parameters, currentfontid);
#endif


                    if (f == null)
                    {
                        //throw new System.Exception ("Font not found :" + fp + "/" + tm.InitTextStyle.GetFontEngineFontId (fp));
                        throw new System.Exception("Font not found :" + fp + "/" + tm.CurrentTextStyle.GetFontEngineFontId(fp));
                    }
                }


                charadvances [l0 + i] = TTFTextFontEngine.font_engines [fp].GetAdvance(parameters, f, s [i]).x *cttfstyle.Size;
                charheights [l0 + i]  = TTFTextFontEngine.font_engines [fp].GetHeight(parameters, f);
                charmetadata [l0 + i] = null;

                if (!TTFTextFontEngine.font_engines[fp].IsBitmapFontProvider(parameters))
                {
                    TTFTextOutline o = TTFTextFontEngine.font_engines [fp].GetGlyphOutline(parameters, f, s [i]);
                    o.Rescale(cttfstyle.Size);
                    if (l0 + i == 0)
                    {
                        Xmin0 = o.Min.x;
                    }
                    if (l0 + i == line.Length - 1)
                    {
                        XmaxN = o.Max.x;
                    }
                }
                else
                {
                    //Debug.LogWarning("NYI !");
                    sumadvance += charadvances [l0 + i];
                    if (l0 + i == 0)
                    {
                        Xmin0 = 0;
                    }
                    if (l0 + i == line.Length - 1)
                    {
                        XmaxN = sumadvance;
                    }
                }
            }

            TTFTextFontEngine.font_engines [fp].DisposeFont(f);


            // can happen when the first or last char is non printable, like a space for example
            if (float.IsNaN(XmaxN) || float.IsInfinity(XmaxN))
            {
                XmaxN = 0;
            }
            if (float.IsNaN(Xmin0) || float.IsInfinity(Xmin0))
            {
                Xmin0 = 0;
            }
        }