diff options
Diffstat (limited to 'src/main/java/org/pdfbox/ttf/CMAPEncodingEntry.java')
| -rw-r--r-- | src/main/java/org/pdfbox/ttf/CMAPEncodingEntry.java | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/src/main/java/org/pdfbox/ttf/CMAPEncodingEntry.java b/src/main/java/org/pdfbox/ttf/CMAPEncodingEntry.java deleted file mode 100644 index a740203..0000000 --- a/src/main/java/org/pdfbox/ttf/CMAPEncodingEntry.java +++ /dev/null @@ -1,219 +0,0 @@ -/**
- * Copyright (c) 2004, www.pdfbox.org
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. Neither the name of pdfbox; nor the names of its
- * contributors may be used to endorse or promote products derived from this
- * software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * http://www.pdfbox.org
- *
- */
-package org.pdfbox.ttf;
-
-import java.io.IOException;
-
-/**
- * An encoding entry for a cmap.
- *
- * @author Ben Litchfield (ben@csh.rit.edu)
- * @version $Revision: 1.1 $
- */
-public class CMAPEncodingEntry
-{
-
- private int platformId;
- private int platformEncodingId;
- private long subTableOffset;
- private int[] glyphIdToCharacterCode;
- /**
- * This will read the required data from the stream.
- *
- * @param ttf The font that is being read.
- * @param data The stream to read the data from.
- * @throws IOException If there is an error reading the data.
- */
- public void initData( TrueTypeFont ttf, TTFDataStream data ) throws IOException
- {
- platformId = data.readUnsignedShort();
- platformEncodingId = data.readUnsignedShort();
- subTableOffset = data.readUnsignedInt();
- }
-
- /**
- * This will read the required data from the stream.
- *
- * @param ttf The font that is being read.
- * @param data The stream to read the data from.
- * @throws IOException If there is an error reading the data.
- */
- public void initSubtable( TrueTypeFont ttf, TTFDataStream data ) throws IOException
- {
- data.seek( ttf.getCMAP().getOffset() + subTableOffset );
- int subtableFormat = data.readUnsignedShort();
- int length = data.readUnsignedShort();
- int version = data.readUnsignedShort();
- int numGlyphs = ttf.getMaximumProfile().getNumGlyphs();
- if( subtableFormat == 0 )
- {
- byte[] glyphMapping = data.read( 256 );
- glyphIdToCharacterCode = new int[256];
- for( int i=0;i<glyphMapping.length; i++ )
- {
- glyphIdToCharacterCode[i]=(glyphMapping[i]+256)%256;
- }
- }
- else if( subtableFormat == 2 )
- {
- int[] subHeaderKeys = new int[256];
- for( int i=0; i<256; i++)
- {
- subHeaderKeys[i] = data.readUnsignedShort();
- }
- int firstCode = data.readUnsignedShort();
- int entryCount = data.readUnsignedShort();
- short idDelta = data.readSignedShort();
- int idRangeOffset = data.readUnsignedShort();
- //BJL
- //HMM the TTF spec is not very clear about what is suppose to
- //happen here. If you know please submit a patch or point
- //me to some better documentation.
- throw new IOException( "Not yet implemented:" + subtableFormat );
- }
- else if( subtableFormat == 4 )
- {
- int segCountX2 = data.readUnsignedShort();
- int segCount = segCountX2/2;
- int searchRange = data.readUnsignedShort();
- int entrySelector = data.readUnsignedShort();
- int rangeShift = data.readUnsignedShort();
- int[] endCount = data.readUnsignedShortArray( segCount );
- int reservedPad = data.readUnsignedShort();
- int[] startCount = data.readUnsignedShortArray( segCount );
- int[] idDelta = data.readUnsignedShortArray( segCount );
- int[] idRangeOffset = data.readUnsignedShortArray( segCount );
-
- //this is the final result
- //key=glyphId, value is character codes
- glyphIdToCharacterCode = new int[numGlyphs];
-
- long currentPosition = data.getCurrentPosition();
-
- for( int i=0; i<segCount; i++ )
- {
- int start = startCount[i];
- int end = endCount[i];
- int delta = idDelta[i];
- int rangeOffset = idRangeOffset[i];
- if( start != 65536 && end != 65536 )
- {
- for( int j=start; j<=end; j++ )
- {
- if( rangeOffset == 0 )
- {
- glyphIdToCharacterCode[ ((j+delta)%65536) ]=j;
- }
- else
- {
- long glyphOffset = currentPosition +
- ((rangeOffset/2) + //idRangeOffset[i]/2
- (j-start) + //(c - startCount[i])
- (i-segCount))*2; //&idRangeOffset[i]);
- data.seek( glyphOffset );
- int glyphIndex = data.readUnsignedShort();
- if( glyphIndex != 0 )
- {
- glyphIndex += delta;
- glyphIndex = glyphIndex % 65536;
- if( glyphIdToCharacterCode[glyphIndex] == 0 )
- {
- glyphIdToCharacterCode[glyphIndex] = j;
- }
- }
-
- }
- }
- }
- }
- }
- else if( subtableFormat == 6 )
- {
- int firstCode = data.readUnsignedShort();
- int entryCount = data.readUnsignedShort();
- glyphIdToCharacterCode = new int[numGlyphs];
- int[] glyphIdArray = data.readUnsignedShortArray( entryCount );
- for( int i=0; i<entryCount; i++)
- {
- glyphIdToCharacterCode[glyphIdArray[i]] = firstCode+i;
- }
- }
- else
- {
- throw new IOException( "Unknown cmap format:" + subtableFormat );
- }
- }
-
-
- /**
- * @return Returns the glyphIdToCharacterCode.
- */
- public int[] getGlyphIdToCharacterCode()
- {
- return glyphIdToCharacterCode;
- }
- /**
- * @param glyphIdToCharacterCodeValue The glyphIdToCharacterCode to set.
- */
- public void setGlyphIdToCharacterCode(int[] glyphIdToCharacterCodeValue)
- {
- this.glyphIdToCharacterCode = glyphIdToCharacterCodeValue;
- }
-
- /**
- * @return Returns the platformEncodingId.
- */
- public int getPlatformEncodingId()
- {
- return platformEncodingId;
- }
- /**
- * @param platformEncodingIdValue The platformEncodingId to set.
- */
- public void setPlatformEncodingId(int platformEncodingIdValue)
- {
- this.platformEncodingId = platformEncodingIdValue;
- }
- /**
- * @return Returns the platformId.
- */
- public int getPlatformId()
- {
- return platformId;
- }
- /**
- * @param platformIdValue The platformId to set.
- */
- public void setPlatformId(int platformIdValue)
- {
- this.platformId = platformIdValue;
- }
-}
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