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Diffstat (limited to 'src/codegen/fonts/font-file.xsl')
| -rw-r--r-- | src/codegen/fonts/font-file.xsl | 183 |
1 files changed, 183 insertions, 0 deletions
diff --git a/src/codegen/fonts/font-file.xsl b/src/codegen/fonts/font-file.xsl new file mode 100644 index 000000000..72ee81a68 --- /dev/null +++ b/src/codegen/fonts/font-file.xsl @@ -0,0 +1,183 @@ +<!-- + Licensed to the Apache Software Foundation (ASF) under one or more + contributor license agreements. See the NOTICE file distributed with + this work for additional information regarding copyright ownership. + The ASF licenses this file to You under the Apache License, Version 2.0 + (the "License"); you may not use this file except in compliance with + the License. You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +--> +<!-- $Id$ --> +<!-- This file writes the class files for the fonts (Courier.java, + Helvetica.java etc.). It uses the information in the font + description files (Courier.xml, Helvetica.xml) to do this. In these + font description files each character is referenced by its adobe + glyph name: + <char name="A" width="667"/> + To resolve this name and to find the code for this character it looks + up the adobe name in the file encodings.xml and extracts the appropriate + code. --> +<xsl:stylesheet version="1.0" + xmlns:xsl="http://www.w3.org/1999/XSL/Transform"> + + <xsl:output method="text"/> + + <xsl:param name="encoding" select="/font-metrics/encoding"/> + <xsl:variable name="native-encoding" select="/font-metrics/encoding"/> + <xsl:variable name="glyphs" select="document('encodings.xml')/encoding-set/encoding[@id=$encoding]/glyph"/> + + <xsl:template match="font-metrics"> +package org.apache.fop.fonts.base14; + +<xsl:if test="count(kerning) > 0"> +import java.util.Map; +</xsl:if> +import org.apache.fop.fonts.FontType; +import org.apache.fop.fonts.Typeface; +import org.apache.fop.fonts.CodePointMapping; + +public class <xsl:value-of select="class-name"/> extends Typeface { + private final static String fontName = "<xsl:value-of select="font-name"/>"; + private final static String encoding = <xsl:choose><xsl:when test="$encoding != $native-encoding">"<xsl:value-of select="$encoding"/>"</xsl:when><xsl:otherwise>null</xsl:otherwise></xsl:choose>; + private final static int capHeight = <xsl:value-of select="cap-height"/>; + private final static int xHeight = <xsl:value-of select="x-height"/>; + private final static int ascender = <xsl:value-of select="ascender"/>; + private final static int descender = <xsl:value-of select="descender"/>; + private final static int firstChar = <xsl:value-of select="first-char"/>; + private final static int lastChar = <xsl:value-of select="last-char"/>; + private final static int[] width; + private final CodePointMapping mapping = + CodePointMapping.getMapping("<xsl:value-of select="$encoding"/>"); +<xsl:if test="count(kerning) > 0"> + private final static Map kerning; +</xsl:if> + + private boolean enableKerning = false; + + static { + width = new int[256]; + <xsl:apply-templates select="widths"/> +<xsl:if test="count(kerning) > 0"> + kerning = new java.util.HashMap(); + Integer first, second; + Map pairs; + <xsl:apply-templates select="kerning"/> +</xsl:if> + } + + public <xsl:value-of select="class-name"/>() { + this(false); + } + + public <xsl:value-of select="class-name"/>(boolean enableKerning) { + this.enableKerning = enableKerning; + } + + public String getEncoding() { + return encoding; + } + + public String getFontName() { + return fontName; + } + + public FontType getFontType() { + return FontType.TYPE1; + } + + public int getAscender(int size) { + return size * ascender; + } + + public int getCapHeight(int size) { + return size * capHeight; + } + + public int getDescender(int size) { + return size * descender; + } + + public int getXHeight(int size) { + return size * xHeight; + } + + public int getFirstChar() { + return firstChar; + } + + public int getLastChar() { + return lastChar; + } + + public int getWidth(int i,int size) { + return size * width[i]; + } + + public int[] getWidths() { + int[] arr = new int[getLastChar() - getFirstChar() + 1]; + System.arraycopy(width, getFirstChar(), arr, 0, getLastChar() - getFirstChar() + 1); + return arr; + } + +<xsl:choose> + <xsl:when test="count(kerning) > 0"> + public boolean hasKerningInfo() { + return enableKerning; + } + + public java.util.Map getKerningInfo() { + return kerning; + } + </xsl:when> + <xsl:otherwise> + public boolean hasKerningInfo() { + return false; + } + + public java.util.Map getKerningInfo() { + return java.util.Collections.EMPTY_MAP; + } + </xsl:otherwise> +</xsl:choose> + + public char mapChar(char c) { + char d = mapping.mapChar(c); + if(d != 0) { + return d; + } else { + return '#'; + } + } + + public boolean hasChar(char c) { + return (mapping.mapChar(c) > 0); + } + +} + </xsl:template> + + <xsl:template match="widths/char"><xsl:variable name="char-name" select="@name"/><xsl:variable name="char-num" select="$glyphs[@name = $char-name]/@codepoint"/><xsl:if test="$char-num!=''"> width[0x<xsl:value-of select="$char-num"/>] = <xsl:value-of select="@width"/>;</xsl:if></xsl:template> + + <xsl:template match="kerning"> + first = new Integer(<xsl:value-of select="@kpx1"/>); + pairs = (Map)kerning.get(first); + if (pairs == null) { + pairs = new java.util.HashMap(); + kerning.put(first, pairs); + } + <xsl:apply-templates select="pair"/> + </xsl:template> + + <xsl:template match="pair"> + second = new Integer(<xsl:value-of select="@kpx2"/>); + pairs.put(second, new Integer(<xsl:value-of select="@kern"/>)); + </xsl:template> +</xsl:stylesheet> + |