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iText io.jar Source Code
io.jar is a component in iText Java library to provide input/output functionalities. iText Java library allows you to generate and manage PDF documents.
The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.
You can compile it to generate your JAR file, using io.pom as the build configuration file.
The source code of io-7.1.4.jar is provided below:
✍: FYIcenter.com
⏎ com/itextpdf/io/font/woff2/Woff2Common.java
// Copyright 2014 Google Inc. All Rights Reserved. // // Licensed 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. // // This is part of java port of project hosted at https://github.com/google/woff2 package com.itextpdf.io.font.woff2; import static com.itextpdf.io.font.woff2.JavaUnsignedUtil.asU8; import static com.itextpdf.io.font.woff2.JavaUnsignedUtil.compareAsUnsigned; // Common definition for WOFF2 encoding/decoding // Helpers common across multiple parts of woff2 class Woff2Common { public static final int kWoff2Signature = 0x774f4632; // "wOF2" // Leave the first byte open to store flag_byte public static final int kWoff2FlagsTransform = 1 << 8; // TrueType Collection ID string: 'ttcf' public static final int kTtcFontFlavor = 0x74746366; public static final int kSfntHeaderSize = 12; public static final int kSfntEntrySize = 16; public static class Point { public int x; public int y; public boolean on_curve; public Point(int x, int y, boolean on_curve) { this.x = x; this.y = y; this.on_curve = on_curve; } } public static class Table implements Comparable<Table> { public int tag; public int flags; public int src_offset; public int src_length; public int transform_length; public int dst_offset; public int dst_length; @Override public int compareTo(Table o) { return compareAsUnsigned(tag, o.tag); } } // Size of the collection header. 0 if version indicates this isn't a // collection. Ref http://www.microsoft.com/typography/otspec/otff.htm, // True Type Collections public static int collectionHeaderSize(int header_version, int num_fonts) { int size = 0; if (header_version == 0x00020000) { size += 12; // ulDsig{Tag,Length,Offset} } if (header_version == 0x00010000 || header_version == 0x00020000) { size += 12 // TTCTag, Version, numFonts + 4 * num_fonts; // OffsetTable[numFonts] } return size; } // Compute checksum over size bytes of buf public static int computeULongSum(byte[] buf, int offset, int size) { int checksum = 0; int aligned_size = (size & ~3); for (int i = 0; i < aligned_size; i += 4) { checksum += (asU8(buf[offset + i]) << 24) | (asU8(buf[offset + i + 1]) << 16) | (asU8(buf[offset + i + 2]) << 8) | asU8(buf[offset + i + 3]); } // treat size not aligned on 4 as if it were padded to 4 with 0's if (size != aligned_size) { int v = 0; for (int i = aligned_size; i < size; ++i) { v |= asU8(buf[offset + i]) << (24 - 8 * (i & 3)); } checksum += v; } return checksum; } }
⏎ com/itextpdf/io/font/woff2/Woff2Common.java
Or download all of them as a single archive file:
File name: io-7.1.4-sources.jar File size: 608762 bytes Release date: 2018-10-09 Download
⇒ iText layout.jar Source Code
⇐ iText kernel.jar Source Code
2018-04-09, 90354👍, 5💬
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