git-svn-id: svn://192.168.3.15/activex/AVS/Sources/TeamlabOffice/trunk/OfficeWeb@47593 954022d7-b5bf-4e40-9824-e11837661b57

Excel/graphics/DrawingContextWord.js

+// когда перейдем на автофигуры - нужно убрать этот класс нафик
+var g_fontManagerExcel = new CFontManager();
+g_fontManagerExcel.Initialize(true);
+
+function CDrawingContextWord()
+{
+    this.Graphics = null;
+
+    this.scaleFactor = 1;
+    this.font = settings !== undefined && settings.font !== undefined ? settings.font : new FontProperties("Arial", 11);
+}
+
+CDrawingContextWord.prototype =
+{
+    initFromGraphics : function(graphics)
+    {
+        this.Graphics = graphics;
+    },
+
+    initFromContext : function(ctx, width_px, height_px, width_mm, height_mm)
+    {
+        if (undefined === width_mm || undefined === height_mm)
+        {
+            width_mm = width_px * g_dKoef_pix_to_mm;
+            height_mm = height_px * g_dKoef_pix_to_mm;
+        }
+
+        this.Graphics = new CGraphics();
+        this.Graphics.init(ctx, width_px, height_px, width_mm, height_mm);
+
+        this.Graphics.m_oFontManager = g_fontManagerExcel;
+        this.Graphics.transform(1,0,0,1,0,0);
+    },
+
+    setCanvas : function(canvas)
+    {
+        var c = canvas !== undefined ? canvas : null;
+        if (c === null) {return;}
+        var ctx = c.getContext("2d");
+
+        this.initFromContext(ctx, c.width, c.height);
+    },
+
+    setFontManager : function(oManager)
+    {
+        this.Graphics.m_oFontManager = oManager;
+    },
+
+    setFont : function(font, angle)
+    {
+        var italic, bold, fontStyle, r;
+
+        if (font.FontFamily.Index === undefined ||
+            font.FontFamily.Index === null ||
+            font.FontFamily.Index === -1) {
+            font.FontFamily.Index = g_map_font_index[font.FontFamily.Name];
+        }
+
+        italic = true === font.Italic;
+        bold   = true === font.Bold;
+
+        this.font.copyFrom(font);
+
+        fontStyle = FontStyle.FontStyleRegular;
+        if ( !italic && bold )
+            fontStyle = FontStyle.FontStyleBold;
+        else if ( italic && !bold )
+            fontStyle = FontStyle.FontStyleItalic;
+        else if ( italic && bold )
+            fontStyle = FontStyle.FontStyleBoldItalic;
+
+        var fm = this.Graphics.m_oFontManager;
+
+        if (angle && 0 != angle)
+        {
+            r = g_font_infos[ font.FontFamily.Index ].LoadFont(
+                g_font_loader, fm, font.FontSize, fontStyle, this.Graphics.m_dDpiX, this.Graphics.m_dDpiY, this.Graphics.m_oTransform);
+
+        }
+        else
+        {
+            r = g_font_infos[ font.FontFamily.Index ].LoadFont(
+                g_font_loader, this.fmgrGraphics[0], font.FontSize, fontStyle, this.Graphics.m_dDpiX, this.Graphics.m_dDpiY);
+        }
+
+        if (r === false) {
+            throw "Can not use " + font.FontFamily.Name + " font. (Check whether font file is loaded)";
+        }
+
+        return this;
+    },
+
+    measureText : function(text, units)
+    {
+        var fm = this.Graphics.m_oFontManager;
+        var r  = getCvtRatio(0/*px*/, units >= 0 && units <=3 ? units : 1, this.Graphics.m_dDpiX);
+        for (var tmp, w = 0, w2 = 0, i = 0; i < text.length; ++i) {
+            tmp = fm.MeasureChar( text.charCodeAt(i) );
+            w += tmp.fAdvanceX;
+        }
+        w2 = w - tmp.fAdvanceX + tmp.oBBox.fMaxX - tmp.oBBox.fMinX + 1;
+        return this._calcTextMetrics(w * r, w2 * r, fm, r);
+    },
+
+    fillText : function(text, x, y, maxWidth, charWidths, angle)
+    {
+        this.Graphics.t(text, x, y);
+    },
+
+    getHeightText : function()
+    {
+        var fm = this.Graphics.m_oFontManager;
+        var UnitsPerEm = fm.m_lUnits_Per_Em;
+        var Height     = fm.m_lLineHeight;
+        var setUpSize  = this.font.FontSize;
+        return Height * setUpSize / UnitsPerEm;
+    },
+
+    _calcTextMetrics: function (w, wBB, fm, r) {
+        var factor = this.font.FontSize * r / fm.m_lUnits_Per_Em,
+            l = fm.m_lLineHeight * factor,
+            b = fm.m_lAscender * factor,
+            d = Math.abs(fm.m_lDescender * factor);
+        return new TextMetrics(w, b + d, l, b, d, this.font.FontSize, 0, wBB);
+    }
+};
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