207 lines
8.6 KiB
C#
207 lines
8.6 KiB
C#
using System;
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/*
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* $Id: MetaFont.cs,v 1.7 2008/05/13 11:25:37 psoares33 Exp $
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*
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*
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* Copyright 2001, 2002 Paulo Soares
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*
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* The contents of this file are subject to the Mozilla Public License Version 1.1
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* (the "License"); you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the License.
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*
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* The Original Code is 'iText, a free JAVA-PDF library'.
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*
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* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
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* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
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* All Rights Reserved.
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* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
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* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
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*
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* Contributor(s): all the names of the contributors are added in the source code
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* where applicable.
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*
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* Alternatively, the contents of this file may be used under the terms of the
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* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
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* provisions of LGPL are applicable instead of those above. If you wish to
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* allow use of your version of this file only under the terms of the LGPL
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* License and not to allow others to use your version of this file under
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* the MPL, indicate your decision by deleting the provisions above and
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* replace them with the notice and other provisions required by the LGPL.
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* If you do not delete the provisions above, a recipient may use your version
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* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the MPL as stated above or under the terms of the GNU
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* Library General Public License as published by the Free Software Foundation;
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* either version 2 of the License, or any later version.
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*
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* This library is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
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* details.
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*
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* If you didn't download this code from the following link, you should check if
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* you aren't using an obsolete version:
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* http://www.lowagie.com/iText/
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*/
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namespace iTextSharp.text.pdf.codec.wmf {
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public class MetaFont : MetaObject {
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static string[] fontNames = {
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"Courier", "Courier-Bold", "Courier-Oblique", "Courier-BoldOblique",
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"Helvetica", "Helvetica-Bold", "Helvetica-Oblique", "Helvetica-BoldOblique",
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"Times-Roman", "Times-Bold", "Times-Italic", "Times-BoldItalic",
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"Symbol", "ZapfDingbats"};
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internal const int MARKER_BOLD = 1;
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internal const int MARKER_ITALIC = 2;
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internal const int MARKER_COURIER = 0;
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internal const int MARKER_HELVETICA = 4;
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internal const int MARKER_TIMES = 8;
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internal const int MARKER_SYMBOL = 12;
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internal const int DEFAULT_PITCH = 0;
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internal const int FIXED_PITCH = 1;
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internal const int VARIABLE_PITCH = 2;
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internal const int FF_DONTCARE = 0;
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internal const int FF_ROMAN = 1;
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internal const int FF_SWISS = 2;
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internal const int FF_MODERN = 3;
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internal const int FF_SCRIPT = 4;
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internal const int FF_DECORATIVE = 5;
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internal const int BOLDTHRESHOLD = 600;
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internal const int nameSize = 32;
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internal const int ETO_OPAQUE = 2;
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internal const int ETO_CLIPPED = 4;
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int height;
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float angle;
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int bold;
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int italic;
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bool underline;
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bool strikeout;
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int charset;
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int pitchAndFamily;
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string faceName = "arial";
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BaseFont font = null;
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public MetaFont() {
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type = META_FONT;
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}
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public void Init(InputMeta meta) {
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height = Math.Abs(meta.ReadShort());
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meta.Skip(2);
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angle = (float)(meta.ReadShort() / 1800.0 * Math.PI);
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meta.Skip(2);
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bold = (meta.ReadShort() >= BOLDTHRESHOLD ? MARKER_BOLD : 0);
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italic = (meta.ReadByte() != 0 ? MARKER_ITALIC : 0);
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underline = (meta.ReadByte() != 0);
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strikeout = (meta.ReadByte() != 0);
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charset = meta.ReadByte();
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meta.Skip(3);
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pitchAndFamily = meta.ReadByte();
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byte[] name = new byte[nameSize];
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int k;
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for (k = 0; k < nameSize; ++k) {
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int c = meta.ReadByte();
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if (c == 0) {
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break;
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}
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name[k] = (byte)c;
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}
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try {
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faceName = System.Text.Encoding.GetEncoding(1252).GetString(name, 0, k);
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}
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catch {
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faceName = System.Text.ASCIIEncoding.ASCII.GetString(name, 0, k);
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}
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faceName = faceName.ToLower(System.Globalization.CultureInfo.InvariantCulture);
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}
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public BaseFont Font {
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get {
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if (font != null)
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return font;
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iTextSharp.text.Font ff2 = FontFactory.GetFont(faceName, BaseFont.CP1252, true, 10, ((italic != 0) ? iTextSharp.text.Font.ITALIC : 0) | ((bold != 0) ? iTextSharp.text.Font.BOLD : 0));
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font = ff2.BaseFont;
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if (font != null)
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return font;
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string fontName;
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if (faceName.IndexOf("courier") != -1 || faceName.IndexOf("terminal") != -1
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|| faceName.IndexOf("fixedsys") != -1) {
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fontName = fontNames[MARKER_COURIER + italic + bold];
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}
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else if (faceName.IndexOf("ms sans serif") != -1 || faceName.IndexOf("arial") != -1
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|| faceName.IndexOf("system") != -1) {
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fontName = fontNames[MARKER_HELVETICA + italic + bold];
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}
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else if (faceName.IndexOf("arial black") != -1) {
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fontName = fontNames[MARKER_HELVETICA + italic + MARKER_BOLD];
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}
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else if (faceName.IndexOf("times") != -1 || faceName.IndexOf("ms serif") != -1
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|| faceName.IndexOf("roman") != -1) {
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fontName = fontNames[MARKER_TIMES + italic + bold];
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}
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else if (faceName.IndexOf("symbol") != -1) {
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fontName = fontNames[MARKER_SYMBOL];
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}
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else {
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int pitch = pitchAndFamily & 3;
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int family = (pitchAndFamily >> 4) & 7;
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switch (family) {
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case FF_MODERN:
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fontName = fontNames[MARKER_COURIER + italic + bold];
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break;
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case FF_ROMAN:
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fontName = fontNames[MARKER_TIMES + italic + bold];
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break;
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case FF_SWISS:
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case FF_SCRIPT:
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case FF_DECORATIVE:
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fontName = fontNames[MARKER_HELVETICA + italic + bold];
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break;
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default: {
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switch (pitch) {
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case FIXED_PITCH:
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fontName = fontNames[MARKER_COURIER + italic + bold];
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break;
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default:
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fontName = fontNames[MARKER_HELVETICA + italic + bold];
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break;
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}
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break;
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}
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}
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}
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font = BaseFont.CreateFont(fontName, BaseFont.CP1252, false);
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return font;
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}
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}
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public float Angle {
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get {
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return angle;
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}
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}
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public bool IsUnderline() {
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return underline;
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}
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public bool IsStrikeout() {
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return strikeout;
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}
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public float GetFontSize(MetaState state) {
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return Math.Abs(state.TransformY(height) - state.TransformY(0)) * Document.WmfFontCorrection;
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}
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}
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}
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