com.itextpdf.io.font.woff2.Woff2MemoryOut Maven / Gradle / Ivy
// Copyright 2016 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 com.itextpdf.io.exceptions.FontCompressionException;
/**
* Fixed memory block for woff2 out.
*/
class Woff2MemoryOut implements Woff2Out {
private byte[] buf_;
private int buf_size_;
private int offset_;
public Woff2MemoryOut(byte[] buf_, int buf_size_) {
this.buf_ = buf_;
this.buf_size_ = buf_size_;
this.offset_ = 0;
}
@Override
public void write(byte[] buf, int buff_offset, int n) {
write(buf, buff_offset, offset_, n);
}
@Override
public void write(byte[] buf, int buff_offset, int offset, int n) {
if (offset > buf_size_ || n > buf_size_ - offset) {
throw new FontCompressionException(FontCompressionException.WRITE_FAILED);
}
System.arraycopy(buf, buff_offset, buf_, offset, n);
offset_ = Math.max(offset_, offset + n);
}
@Override
public int size() {
return offset_;
}
}