diff --git a/include/exiv2/epsimage.hpp b/include/exiv2/epsimage.hpp
new file mode 100644
index 00000000..54d26e7d
--- /dev/null
+++ b/include/exiv2/epsimage.hpp
@@ -0,0 +1,124 @@
+// ***************************************************************** -*- C++ -*-
+/*
+ * Copyright (C) 2004-2021 Exiv2 authors
+ * This program is part of the Exiv2 distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
+ */
+/*!
+ @file epsimage.hpp
+ @brief EPS image.
+
References:
+
[1] Adobe PostScript Language Document Structuring Conventions Specification, Version 3.0, September 1992
+
[2] Adobe Encapsulated PostScript File Format Specification, Version 3.0, May 1992
+
[3] Adobe XMP Specification Part 3: Storage in Files, July 2010
+
[4] Re: Thumbnail data format in ai file, Dec 2003
+ @author Michael Ulbrich (mul)
+ mul@rentapacs.de
+ @author Volker Grabsch (vog)
+ vog@notjusthosting.com
+ @date 7-Mar-2011, vog: created
+ */
+#ifndef EPSIMAGE_HPP_
+#define EPSIMAGE_HPP_
+
+// *****************************************************************************
+#include "exiv2lib_export.h"
+
+// included header files
+#include "image.hpp"
+
+// *****************************************************************************
+// namespace extensions
+namespace Exiv2
+{
+
+// *****************************************************************************
+// class definitions
+
+ // Add EPS to the supported image formats
+ namespace ImageType {
+ const int eps = 18; //!< EPS image type
+ }
+
+ /*!
+ @brief Class to access EPS images.
+ */
+ class EXIV2LIB_DEPRECATED_EXPORT EpsImage : public Image {
+ public:
+ //! @name Creators
+ //@{
+ /*!
+ @brief Constructor to open a EPS image. Since the
+ constructor can't return a result, callers should check the
+ good() method after object construction to determine success
+ or failure.
+ @param io An auto-pointer that owns a BasicIo instance used for
+ reading and writing image metadata. \b Important: The constructor
+ takes ownership of the passed in BasicIo instance through the
+ auto-pointer. Callers should not continue to use the BasicIo
+ instance after it is passed to this method. Use the Image::io()
+ method to get a temporary reference.
+ @param create Specifies if an existing image should be read (false)
+ or if a new file should be created (true).
+ */
+ EpsImage(BasicIo::AutoPtr io, bool create);
+ //@}
+
+ //! @name Manipulators
+ //@{
+ void readMetadata();
+ void writeMetadata();
+ /*!
+ @brief Not supported.
+ Calling this function will throw an instance of Error(kerInvalidSettingForImage).
+ */
+ void setComment(const std::string& comment);
+ //@}
+
+ //! @name Accessors
+ //@{
+ std::string mimeType() const;
+ //@}
+
+ private:
+ //! @name NOT Implemented
+ //@{
+ //! Copy constructor
+ EpsImage(const EpsImage& rhs);
+ //! Assignment operator
+ EpsImage& operator=(const EpsImage& rhs);
+ //@}
+
+ }; // class EpsImage
+
+// *****************************************************************************
+// template, inline and free functions
+
+ // These could be static private functions on Image subclasses but then
+ // ImageFactory needs to be made a friend.
+ /*!
+ @brief Create a new EpsImage instance and return an auto-pointer to it.
+ Caller owns the returned object and the auto-pointer ensures that
+ it will be deleted.
+ */
+ EXIV2LIB_DEPRECATED_EXPORT Image::AutoPtr newEpsInstance(BasicIo::AutoPtr io, bool create);
+
+ //! Check if the file iIo is a EPS image.
+ EXIV2LIB_DEPRECATED_EXPORT bool isEpsType(BasicIo& iIo, bool advance);
+
+} // namespace Exiv2
+
+#endif // #ifndef EPSIMAGE_HPP_
diff --git a/include/exiv2/exiv2.hpp b/include/exiv2/exiv2.hpp
index 5362d0b7..0e53235c 100644
--- a/include/exiv2/exiv2.hpp
+++ b/include/exiv2/exiv2.hpp
@@ -30,6 +30,7 @@
#include "exiv2/cr2image.hpp"
#include "exiv2/crwimage.hpp"
#include "exiv2/easyaccess.hpp"
+#include "exiv2/epsimage.hpp"
#include "exiv2/error.hpp"
#include "exiv2/exif.hpp"
#include "exiv2/futils.hpp"
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 73dc5e75..81053a31 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -52,6 +52,7 @@ add_library( exiv2lib
crwimage.cpp ../include/exiv2/crwimage.hpp
datasets.cpp ../include/exiv2/datasets.hpp
easyaccess.cpp ../include/exiv2/easyaccess.hpp
+ epsimage.cpp ../include/exiv2/epsimage.hpp
error.cpp ../include/exiv2/error.hpp
exif.cpp ../include/exiv2/exif.hpp
futils.cpp ../include/exiv2/futils.hpp
diff --git a/src/epsimage.cpp b/src/epsimage.cpp
new file mode 100644
index 00000000..79402e62
--- /dev/null
+++ b/src/epsimage.cpp
@@ -0,0 +1,1188 @@
+// ***************************************************************** -*- C++ -*-
+/*
+ * Copyright (C) 2004-2021 Exiv2 authors
+ * This program is part of the Exiv2 distribution.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, 5th Floor, Boston, MA 02110-1301 USA.
+ */
+/*
+ File: epsimage.cpp
+ Author(s): Michael Ulbrich (mul)
+ Volker Grabsch (vog)
+ History: 7-Mar-2011, vog: created
+ */
+// *****************************************************************************
+// included header files
+#include "config.h"
+
+#include "epsimage.hpp"
+#include "image.hpp"
+#include "basicio.hpp"
+#include "error.hpp"
+#include "futils.hpp"
+#include "version.hpp"
+
+// + standard includes
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+// *****************************************************************************
+namespace {
+
+ using namespace Exiv2;
+ using Exiv2::byte;
+
+ // signature of DOS EPS
+ const std::string dosEpsSignature = "\xC5\xD0\xD3\xC6";
+
+ // first line of EPS
+ const std::string epsFirstLine[] = {
+ "%!PS-Adobe-3.0 EPSF-3.0",
+ "%!PS-Adobe-3.0 EPSF-3.0 ", // OpenOffice
+ "%!PS-Adobe-3.1 EPSF-3.0", // Illustrator
+ };
+
+ // blank EPS file
+ const std::string epsBlank = "%!PS-Adobe-3.0 EPSF-3.0\n"
+ "%%BoundingBox: 0 0 0 0\n";
+
+ // list of all valid XMP headers
+ const std::string xmpHeaders[] = {
+
+ // We do not enforce the trailing "?>" here, because the XMP specification
+ // permits additional attributes after begin="..." and id="...".
+
+ // normal headers
+ "" here, because the XMP specification
+ // permits additional attributes after end="...".
+
+ {"";
+
+ //! Write data into temp file, taking care of errors
+ void writeTemp(BasicIo& tempIo, const byte* data, size_t size)
+ {
+ if (size == 0) return;
+ if (tempIo.write(data, static_cast(size)) != static_cast(size)) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Failed to write to temporary file.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ }
+
+ //! Write data into temp file, taking care of errors
+ void writeTemp(BasicIo& tempIo, const std::string &data)
+ {
+ writeTemp(tempIo, reinterpret_cast(data.data()), data.size());
+ }
+
+ //! Get the current write position of temp file, taking care of errors
+ uint32_t posTemp(BasicIo& tempIo)
+ {
+ const long pos = tempIo.tell();
+ if (pos == -1) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Internal error while determining current write position in temporary file.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ return static_cast(pos);
+ }
+
+ //! Check whether a string has a certain beginning
+ bool startsWith(const std::string& s, const std::string& start)
+ {
+ return s.size() >= start.size() && memcmp(s.data(), start.data(), start.size()) == 0;
+ }
+
+ //! Check whether a string contains only white space characters
+ bool onlyWhitespaces(const std::string& s)
+ {
+ // According to the DSC 3.0 specification, 4.4 Parsing Rules,
+ // only spaces and tabs are considered to be white space characters.
+ return s.find_first_not_of(" \t") == std::string::npos;
+ }
+
+ //! Read the next line of a buffer, allow for changing line ending style
+ size_t readLine(std::string& line, const byte* data, size_t startPos, size_t size)
+ {
+ line.clear();
+ size_t pos = startPos;
+ // step through line
+ while (pos < size && data[pos] != '\r' && data[pos] != '\n') {
+ line += data[pos];
+ pos++;
+ }
+ // skip line ending, if present
+ if (pos >= size) return pos;
+ pos++;
+ if (pos >= size) return pos;
+ if (data[pos - 1] == '\r' && data[pos] == '\n') pos++;
+ return pos;
+ }
+
+ //! Read the previous line of a buffer, allow for changing line ending style
+ size_t readPrevLine(std::string& line, const byte* data, size_t startPos, size_t size)
+ {
+ line.clear();
+ size_t pos = startPos;
+ if (pos > size) return pos;
+ // skip line ending of previous line, if present
+ if (pos <= 0) return pos;
+ if (data[pos - 1] == '\r' || data[pos - 1] == '\n') {
+ pos--;
+ if (pos <= 0) return pos;
+ if (data[pos - 1] == '\r' && data[pos] == '\n') {
+ pos--;
+ if (pos <= 0) return pos;
+ }
+ }
+ // step through previous line
+ while (pos >= 1 && data[pos - 1] != '\r' && data[pos - 1] != '\n') {
+ pos--;
+ line += data[pos];
+ }
+ std::reverse(line.begin(), line.end());
+ return pos;
+ }
+
+ //! Find an XMP block
+ void findXmp(size_t& xmpPos, size_t& xmpSize, const byte* data, size_t startPos, size_t size, bool write)
+ {
+ // search for valid XMP header
+ xmpSize = 0;
+ for (xmpPos = startPos; xmpPos < size; xmpPos++) {
+ if (data[xmpPos] != '\x00' && data[xmpPos] != '<') continue;
+ for (size_t i = 0; i < (sizeof xmpHeaders) / (sizeof *xmpHeaders); i++) {
+ const std::string &header = xmpHeaders[i];
+ if (xmpPos + header.size() > size) continue;
+ if (memcmp(data + xmpPos, header.data(), header.size()) != 0) continue;
+ #ifdef DEBUG
+ EXV_DEBUG << "findXmp: Found XMP header at position: " << xmpPos << "\n";
+ #endif
+
+ // search for valid XMP trailer
+ for (size_t trailerPos = xmpPos + header.size(); trailerPos < size; trailerPos++) {
+ if (data[xmpPos] != '\x00' && data[xmpPos] != '<') continue;
+ for (size_t j = 0; j < (sizeof xmpTrailers) / (sizeof *xmpTrailers); j++) {
+ const std::string &trailer = xmpTrailers[j].trailer;
+ const bool readOnly = xmpTrailers[j].readOnly;
+
+ if (trailerPos + trailer.size() > size) continue;
+ if (memcmp(data + trailerPos, trailer.data(), trailer.size()) != 0) continue;
+ #ifdef DEBUG
+ EXV_DEBUG << "findXmp: Found XMP trailer at position: " << trailerPos << "\n";
+ #endif
+
+ if (readOnly) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to handle read-only XMP metadata yet. Please provide your "
+ "sample EPS file to the Exiv2 project: http://dev.exiv2.org/projects/exiv2\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+
+ // search for end of XMP trailer
+ for (size_t trailerEndPos = trailerPos + trailer.size(); trailerEndPos + xmpTrailerEnd.size() <= size; trailerEndPos++) {
+ if (memcmp(data + trailerEndPos, xmpTrailerEnd.data(), xmpTrailerEnd.size()) == 0) {
+ xmpSize = (trailerEndPos + xmpTrailerEnd.size()) - xmpPos;
+ return;
+ }
+ }
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Found XMP header but incomplete XMP trailer.\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ }
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Found XMP header but no XMP trailer.\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ }
+ }
+
+ //! Unified implementation of reading and writing EPS metadata
+ void readWriteEpsMetadata(BasicIo& io, std::string& xmpPacket, NativePreviewList& nativePreviews, bool write)
+ {
+ // open input file
+ if (io.open() != 0) {
+ throw Error(kerDataSourceOpenFailed, io.path(), strError());
+ }
+ IoCloser closer(io);
+
+ // read from input file via memory map
+ const byte *data = io.mmap();
+
+ // default positions and sizes
+ const size_t size = io.size();
+ size_t posEps = 0;
+ size_t posEndEps = size;
+ uint32_t posWmf = 0;
+ uint32_t sizeWmf = 0;
+ uint32_t posTiff = 0;
+ uint32_t sizeTiff = 0;
+
+ // check for DOS EPS
+ const bool dosEps = (size >= dosEpsSignature.size() && memcmp(data, dosEpsSignature.data(), dosEpsSignature.size()) == 0);
+ if (dosEps) {
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found DOS EPS signature\n";
+ #endif
+ if (size < 30) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Premature end of file after DOS EPS signature.\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ posEps = getULong(data + 4, littleEndian);
+ posEndEps = getULong(data + 8, littleEndian) + posEps;
+ posWmf = getULong(data + 12, littleEndian);
+ sizeWmf = getULong(data + 16, littleEndian);
+ posTiff = getULong(data + 20, littleEndian);
+ sizeTiff = getULong(data + 24, littleEndian);
+ const uint16_t checksum = getUShort(data + 28, littleEndian);
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: EPS section at position " << posEps << ", size " << (posEndEps - posEps) << "\n";
+ EXV_DEBUG << "readWriteEpsMetadata: WMF section at position " << posWmf << ", size " << sizeWmf << "\n";
+ EXV_DEBUG << "readWriteEpsMetadata: TIFF section at position " << posTiff << ", size " << sizeTiff << "\n";
+ #endif
+ if (checksum != 0xFFFF) {
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: DOS EPS checksum is not FFFF\n";
+ #endif
+ }
+ if (!((posWmf == 0 && sizeWmf == 0) || (posTiff == 0 && sizeTiff == 0))) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "DOS EPS file has both WMF and TIFF section. Only one of those is allowed.\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ }
+ if (sizeWmf == 0 && sizeTiff == 0) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "DOS EPS file has neither WMF nor TIFF section. Exactly one of those is required.\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ }
+ if (posEps < 30 || posEndEps > size) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "DOS EPS file has invalid position (" << posEps << ") or size (" << (posEndEps - posEps) << ") for EPS section.\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ if (sizeWmf != 0 && (posWmf < 30 || posWmf + sizeWmf > size)) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "DOS EPS file has invalid position (" << posWmf << ") or size (" << sizeWmf << ") for WMF section.\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ }
+ if (sizeTiff != 0 && (posTiff < 30 || posTiff + sizeTiff > size)) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "DOS EPS file has invalid position (" << posTiff << ") or size (" << sizeTiff << ") for TIFF section.\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ }
+ }
+
+ // check first line
+ std::string firstLine;
+ const size_t posSecondLine = readLine(firstLine, data, posEps, posEndEps);
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: First line: " << firstLine << "\n";
+ #endif
+ bool matched = false;
+ for (size_t i = 0; !matched && i < (sizeof epsFirstLine) / (sizeof *epsFirstLine); i++) {
+ matched = (firstLine == epsFirstLine[i]);
+ }
+ if (!matched) {
+ throw Error(kerNotAnImage, "EPS");
+ }
+
+ // determine line ending style of the first line
+ if (posSecondLine >= posEndEps) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Premature end of file after first line.\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ const std::string lineEnding(reinterpret_cast(data + posEps + firstLine.size()), posSecondLine - (posEps + firstLine.size()));
+ #ifdef DEBUG
+ if (lineEnding == "\n") {
+ EXV_DEBUG << "readWriteEpsMetadata: Line ending style: Unix (LF)\n";
+ } else if (lineEnding == "\r") {
+ EXV_DEBUG << "readWriteEpsMetadata: Line ending style: Mac (CR)\n";
+ } else if (lineEnding == "\r\n") {
+ EXV_DEBUG << "readWriteEpsMetadata: Line ending style: DOS (CR LF)\n";
+ } else {
+ EXV_DEBUG << "readWriteEpsMetadata: Line ending style: (unknown)\n";
+ }
+ #endif
+
+ // scan comments
+ size_t posLanguageLevel = posEndEps;
+ size_t posContainsXmp = posEndEps;
+ size_t posPages = posEndEps;
+ size_t posExiv2Version = posEndEps;
+ size_t posExiv2Website = posEndEps;
+ size_t posEndComments = posEndEps;
+ size_t posAi7Thumbnail = posEndEps;
+ size_t posAi7ThumbnailEndData = posEndEps;
+ size_t posBeginPhotoshop = posEndEps;
+ size_t posEndPhotoshop = posEndEps;
+ size_t posPage = posEndEps;
+ size_t posBeginPageSetup = posEndEps;
+ size_t posEndPageSetup = posEndEps;
+ size_t posPageTrailer = posEndEps;
+ size_t posEof = posEndEps;
+ std::vector > removableEmbeddings;
+ unsigned int depth = 0;
+ const unsigned int maxDepth = UINT_MAX;
+ bool illustrator8 = false;
+ bool corelDraw = false;
+ bool implicitPage = false;
+ bool implicitPageSetup = false;
+ bool implicitPageTrailer = false;
+ bool inDefaultsPreviewPrologSetup = false;
+ bool inRemovableEmbedding = false;
+ std::string removableEmbeddingEndLine;
+ unsigned int removableEmbeddingsWithUnmarkedTrailer = 0;
+ for (size_t pos = posEps; pos < posEof;) {
+ const size_t startPos = pos;
+ std::string line;
+ pos = readLine(line, data, startPos, posEndEps);
+ #ifdef DEBUG
+ bool significantLine = true;
+ #endif
+ // nested documents
+ if (posPage == posEndEps && (startsWith(line, "%%IncludeDocument:") || startsWith(line, "%%BeginDocument:"))) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Nested document at invalid position: " << startPos << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ } else if (startsWith(line, "%%BeginDocument:")) {
+ if (depth == maxDepth) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Document too deeply nested at position: " << startPos << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ depth++;
+ } else if (startsWith(line, "%%EndDocument")) {
+ if (depth == 0) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unmatched EndDocument at position: " << startPos << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ depth--;
+ } else {
+ #ifdef DEBUG
+ significantLine = false;
+ #endif
+ }
+ #ifdef DEBUG
+ if (significantLine) {
+ EXV_DEBUG << "readWriteEpsMetadata: Found significant line \"" << line << "\" at position: " << startPos << "\n";
+ }
+ significantLine = true;
+ #endif
+ if (depth != 0) continue;
+ // explicit "Begin" comments
+ if (startsWith(line, "%%BeginPreview:")) {
+ inDefaultsPreviewPrologSetup = true;
+ } else if (line == "%%BeginDefaults") {
+ inDefaultsPreviewPrologSetup = true;
+ } else if (line == "%%BeginProlog") {
+ inDefaultsPreviewPrologSetup = true;
+ } else if (line == "%%BeginSetup") {
+ inDefaultsPreviewPrologSetup = true;
+ } else if (posPage == posEndEps && startsWith(line, "%%Page:")) {
+ posPage = startPos;
+ } else if (posPage != posEndEps && startsWith(line, "%%Page:")) {
+ if (implicitPage) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Page at position " << startPos << " conflicts with implicit page at position: " << posPage << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to handle multiple PostScript pages. Found second page at position: " << startPos << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ } else if (line == "%%BeginPageSetup") {
+ posBeginPageSetup = startPos;
+ } else if (!inRemovableEmbedding && line == "%Exiv2BeginXMP: Before %%EndPageSetup") {
+ inRemovableEmbedding = true;
+ removableEmbeddings.push_back(std::make_pair(startPos, startPos));
+ removableEmbeddingEndLine = "%Exiv2EndXMP";
+ } else if (!inRemovableEmbedding && line == "%Exiv2BeginXMP: After %%PageTrailer") {
+ inRemovableEmbedding = true;
+ removableEmbeddings.push_back(std::make_pair(startPos, startPos));
+ removableEmbeddingEndLine = "%Exiv2EndXMP";
+ } else if (!inRemovableEmbedding && line == "%ADOBeginClientInjection: PageSetup End \"AI11EPS\"") {
+ inRemovableEmbedding = true;
+ removableEmbeddings.push_back(std::make_pair(startPos, startPos));
+ removableEmbeddingEndLine = "%ADOEndClientInjection: PageSetup End \"AI11EPS\"";
+ } else if (!inRemovableEmbedding && line == "%ADOBeginClientInjection: PageTrailer Start \"AI11EPS\"") {
+ inRemovableEmbedding = true;
+ removableEmbeddings.push_back(std::make_pair(startPos, startPos));
+ removableEmbeddingEndLine = "%ADOEndClientInjection: PageTrailer Start \"AI11EPS\"";
+ } else if (!inRemovableEmbedding && line == "%begin_xml_code") {
+ inRemovableEmbedding = true;
+ removableEmbeddings.push_back(std::make_pair(startPos, startPos));
+ removableEmbeddingEndLine = "%end_xml_code";
+ removableEmbeddingsWithUnmarkedTrailer++;
+ } else {
+ #ifdef DEBUG
+ significantLine = false;
+ #endif
+ }
+ #ifdef DEBUG
+ if (significantLine) {
+ EXV_DEBUG << "readWriteEpsMetadata: Found significant line \"" << line << "\" at position: " << startPos << "\n";
+ }
+ significantLine = true;
+ #endif
+ // implicit comments
+ if (line == "%%EOF" || line == "%begin_xml_code" || !(line.size() >= 2 && line[0] == '%' && '\x21' <= line[1] && line[1] <= '\x7e')) {
+ if (posEndComments == posEndEps) {
+ posEndComments = startPos;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit EndComments at position: " << startPos << "\n";
+ #endif
+ }
+ }
+ if (posPage == posEndEps && posEndComments != posEndEps && !inDefaultsPreviewPrologSetup && !inRemovableEmbedding && !onlyWhitespaces(line)) {
+ posPage = startPos;
+ implicitPage = true;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit Page at position: " << startPos << "\n";
+ #endif
+ }
+ if (posBeginPageSetup == posEndEps && (implicitPage || (posPage != posEndEps && !inRemovableEmbedding && line.size() >= 1 && line[0] != '%'))) {
+ posBeginPageSetup = startPos;
+ implicitPageSetup = true;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit BeginPageSetup at position: " << startPos << "\n";
+ #endif
+ }
+ if (posEndPageSetup == posEndEps && implicitPageSetup && !inRemovableEmbedding && line.size() >= 1 && line[0] != '%') {
+ posEndPageSetup = startPos;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit EndPageSetup at position: " << startPos << "\n";
+ #endif
+ }
+ if (line.size() >= 1 && line[0] != '%') continue; // performance optimization
+ if (line == "%%EOF" || line == "%%Trailer" || line == "%%PageTrailer") {
+ if (posBeginPageSetup == posEndEps) {
+ posBeginPageSetup = startPos;
+ implicitPageSetup = true;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit BeginPageSetup at position: " << startPos << "\n";
+ #endif
+ }
+ if (posEndPageSetup == posEndEps) {
+ posEndPageSetup = startPos;
+ implicitPageSetup = true;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit EndPageSetup at position: " << startPos << "\n";
+ #endif
+ }
+ }
+ if (line == "%%EOF" || line == "%%Trailer") {
+ if (posPageTrailer == posEndEps) {
+ posPageTrailer = startPos;
+ implicitPageTrailer = true;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Found implicit PageTrailer at position: " << startPos << "\n";
+ #endif
+ }
+ }
+ // remaining explicit comments
+ if (posEndComments == posEndEps && posLanguageLevel == posEndEps && startsWith(line, "%%LanguageLevel:")) {
+ posLanguageLevel = startPos;
+ } else if (posEndComments == posEndEps && posContainsXmp == posEndEps && startsWith(line, "%ADO_ContainsXMP:")) {
+ posContainsXmp = startPos;
+ } else if (posEndComments == posEndEps && posPages == posEndEps && startsWith(line, "%%Pages:")) {
+ posPages = startPos;
+ } else if (posEndComments == posEndEps && posExiv2Version == posEndEps && startsWith(line, "%Exiv2Version:")) {
+ posExiv2Version = startPos;
+ } else if (posEndComments == posEndEps && posExiv2Website == posEndEps && startsWith(line, "%Exiv2Website:")) {
+ posExiv2Website = startPos;
+ } else if (posEndComments == posEndEps && startsWith(line, "%%Creator: Adobe Illustrator") && firstLine == "%!PS-Adobe-3.0 EPSF-3.0") {
+ illustrator8 = true;
+ } else if (posEndComments == posEndEps && startsWith(line, "%AI7_Thumbnail:")) {
+ posAi7Thumbnail = startPos;
+ } else if (posEndComments == posEndEps && posAi7Thumbnail != posEndEps && posAi7ThumbnailEndData == posEndEps && line == "%%EndData") {
+ posAi7ThumbnailEndData = startPos;
+ } else if (posEndComments == posEndEps && line == "%%EndComments") {
+ posEndComments = startPos;
+ } else if (inDefaultsPreviewPrologSetup && startsWith(line, "%%BeginResource: procset wCorel")) {
+ corelDraw = true;
+ } else if (line == "%%EndPreview") {
+ inDefaultsPreviewPrologSetup = false;
+ } else if (line == "%%EndDefaults") {
+ inDefaultsPreviewPrologSetup = false;
+ } else if (line == "%%EndProlog") {
+ inDefaultsPreviewPrologSetup = false;
+ } else if (line == "%%EndSetup") {
+ inDefaultsPreviewPrologSetup = false;
+ } else if (posEndPageSetup == posEndEps && line == "%%EndPageSetup") {
+ posEndPageSetup = startPos;
+ } else if (posPageTrailer == posEndEps && line == "%%PageTrailer") {
+ posPageTrailer = startPos;
+ } else if (posBeginPhotoshop == posEndEps && startsWith(line, "%BeginPhotoshop:")) {
+ posBeginPhotoshop = pos;
+ } else if (posBeginPhotoshop != posEndEps && posEndPhotoshop == posEndEps && line == "%EndPhotoshop") {
+ posEndPhotoshop = startPos;
+ } else if (inRemovableEmbedding && line == removableEmbeddingEndLine) {
+ inRemovableEmbedding = false;
+ removableEmbeddings.back().second = pos;
+ } else if (line == "%%EOF") {
+ posEof = startPos;
+ } else {
+ #ifdef DEBUG
+ significantLine = false;
+ #endif
+ }
+ #ifdef DEBUG
+ if (significantLine) {
+ EXV_DEBUG << "readWriteEpsMetadata: Found significant line \"" << line << "\" at position: " << startPos << "\n";
+ }
+ #endif
+ }
+
+ // check for unfinished nested documents
+ if (depth != 0) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unmatched BeginDocument (" << depth << "x)\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+
+ // look for the unmarked trailers of some removable XMP embeddings
+ size_t posXmpTrailerEnd = posEof;
+ for (size_t i = 0; i < removableEmbeddingsWithUnmarkedTrailer; i++) {
+ std::string line1;
+ const size_t posLine1 = readPrevLine(line1, data, posXmpTrailerEnd, posEndEps);
+ std::string line2;
+ const size_t posLine2 = readPrevLine(line2, data, posLine1, posEndEps);
+ size_t posXmpTrailer;
+ if (line1 == "[/EMC pdfmark") { // Exiftool style
+ posXmpTrailer = posLine1;
+ } else if (line1 == "[/NamespacePop pdfmark" &&
+ line2 == "[{nextImage} 1 dict begin /Metadata {photoshop_metadata_stream} def currentdict end /PUT pdfmark") { // Photoshop style
+ posXmpTrailer = posLine2;
+ } else {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to find XMP embedding trailer ending at position: " << posXmpTrailerEnd << "\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ break;
+ }
+ removableEmbeddings.push_back(std::make_pair(posXmpTrailer, posXmpTrailerEnd));
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Recognized unmarked trailer of removable XMP embedding at "
+ "[" << removableEmbeddings.back().first << "," << removableEmbeddings.back().second << ")"
+ "\n";
+ #endif
+ posXmpTrailerEnd = posXmpTrailer;
+ }
+
+ // interpret comment "%ADO_ContainsXMP:"
+ std::string line;
+ readLine(line, data, posContainsXmp, posEndEps);
+ bool containsXmp;
+ if (line == "%ADO_ContainsXMP: MainFirst" || line == "%ADO_ContainsXMP:MainFirst") {
+ containsXmp = true;
+ } else if (line == "" || line == "%ADO_ContainsXMP: NoMain" || line == "%ADO_ContainsXMP:NoMain") {
+ containsXmp = false;
+ } else {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Invalid line \"" << line << "\" at position: " << posContainsXmp << "\n";
+ #endif
+ throw Error(write ? kerImageWriteFailed : kerFailedToReadImageData);
+ }
+
+ const bool deleteXmp = (write && xmpPacket.size() == 0);
+ bool fixBeginXmlPacket = false;
+ bool useFlexibleEmbedding = false;
+ size_t xmpPos = posEndEps;
+ size_t xmpSize = 0;
+ if (containsXmp) {
+ // search for XMP metadata
+ findXmp(xmpPos, xmpSize, data, posEps, posEndEps, write);
+ if (xmpPos == posEndEps) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to find XMP metadata as announced at position: " << posContainsXmp << "\n";
+ #endif
+ }
+ // check embedding of XMP metadata
+ const size_t posLineAfterXmp = readLine(line, data, xmpPos + xmpSize, posEndEps);
+ if (line != "") {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unexpected " << line.size() << " bytes of data after XMP at position: " << (xmpPos + xmpSize) << "\n";
+ #endif
+ } else if (!deleteXmp) {
+ readLine(line, data, posLineAfterXmp, posEndEps);
+ if (line == "% &&end XMP packet marker&&" || line == "% &&end XMP packet marker&&") {
+ useFlexibleEmbedding = true;
+ }
+ }
+ }
+ if (useFlexibleEmbedding) {
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Using flexible XMP embedding\n";
+ #endif
+ const size_t posBeginXmlPacket = readPrevLine(line, data, xmpPos, posEndEps);
+ if (startsWith(line, "%begin_xml_packet:")) {
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: XMP embedding contains %begin_xml_packet\n";
+ #endif
+ if (write) {
+ fixBeginXmlPacket = true;
+ xmpSize += (xmpPos - posBeginXmlPacket);
+ xmpPos = posBeginXmlPacket;
+ }
+ } else if (posBeginPhotoshop != posEndEps) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Missing %begin_xml_packet in Photoshop EPS at position: " << xmpPos << "\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ }
+ }
+ if (!useFlexibleEmbedding) {
+ // check if there are irremovable XMP metadata blocks before EndPageSetup
+ size_t posOtherXmp = containsXmp ? xmpPos : posEps;
+ size_t sizeOtherXmp = 0;
+ for (;;) {
+ findXmp(posOtherXmp, sizeOtherXmp, data, posOtherXmp + sizeOtherXmp, posEndPageSetup, write);
+ if (posOtherXmp >= posEndPageSetup) break;
+ bool isRemovableEmbedding = false;
+ for (std::vector >::const_iterator e = removableEmbeddings.begin(); e != removableEmbeddings.end(); ++e) {
+ if (e->first <= posOtherXmp && posOtherXmp < e->second) {
+ isRemovableEmbedding = true;
+ break;
+ }
+ }
+ if (!isRemovableEmbedding) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "XMP metadata block is not removable at position: " << posOtherXmp << "\n";
+ #endif
+ if (write) throw Error(kerImageWriteFailed);
+ break;
+ }
+ }
+ }
+
+ if (!write) {
+ // copy XMP metadata
+ xmpPacket.assign(reinterpret_cast(data + xmpPos), xmpSize);
+
+ // native previews
+ nativePreviews.clear();
+ if (posAi7ThumbnailEndData != posEndEps) {
+ NativePreview nativePreview;
+ std::string dummy;
+ std::string lineAi7Thumbnail;
+ const size_t posBeginData = readLine(lineAi7Thumbnail, data, posAi7Thumbnail, posEndEps);
+ std::istringstream lineStreamAi7Thumbnail(lineAi7Thumbnail);
+ lineStreamAi7Thumbnail >> dummy;
+ lineStreamAi7Thumbnail >> nativePreview.width_;
+ lineStreamAi7Thumbnail >> nativePreview.height_;
+ std::string depth;
+ lineStreamAi7Thumbnail >> depth;
+ std::string lineBeginData;
+ const size_t posAfterBeginData = readLine(lineBeginData, data, posBeginData, posEndEps);
+ std::istringstream lineStreamBeginData(lineBeginData);
+ std::string beginData;
+ lineStreamBeginData >> beginData;
+ lineStreamBeginData >> dummy;
+ std::string type;
+ lineStreamBeginData >> type;
+ nativePreview.position_ = static_cast(posAfterBeginData);
+ nativePreview.size_ = static_cast(posAi7ThumbnailEndData - posAfterBeginData);
+ nativePreview.filter_ = "hex-ai7thumbnail-pnm";
+ nativePreview.mimeType_ = "image/x-portable-anymap";
+ if (depth != "8") {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to handle Illustrator thumbnail depth: " << depth << "\n";
+ #endif
+ } else if (beginData != "%%BeginData:") {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to handle Illustrator thumbnail data section: " << lineBeginData << "\n";
+ #endif
+ } else if (type != "Hex") {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to handle Illustrator thumbnail data type: " << type << "\n";
+ #endif
+ } else {
+ nativePreviews.push_back(nativePreview);
+ }
+ }
+ if (posEndPhotoshop != posEndEps) {
+ NativePreview nativePreview;
+ nativePreview.position_ = static_cast(posBeginPhotoshop);
+ nativePreview.size_ = static_cast(posEndPhotoshop - posBeginPhotoshop);
+ nativePreview.width_ = 0;
+ nativePreview.height_ = 0;
+ nativePreview.filter_ = "hex-irb";
+ nativePreview.mimeType_ = "image/jpeg";
+ nativePreviews.push_back(nativePreview);
+ }
+ if (sizeWmf != 0) {
+ NativePreview nativePreview;
+ nativePreview.position_ = static_cast(posWmf);
+ nativePreview.size_ = sizeWmf;
+ nativePreview.width_ = 0;
+ nativePreview.height_ = 0;
+ nativePreview.filter_ = "";
+ nativePreview.mimeType_ = "image/x-wmf";
+ nativePreviews.push_back(nativePreview);
+ }
+ if (sizeTiff != 0) {
+ NativePreview nativePreview;
+ nativePreview.position_ = static_cast(posTiff);
+ nativePreview.size_ = sizeTiff;
+ nativePreview.width_ = 0;
+ nativePreview.height_ = 0;
+ nativePreview.filter_ = "";
+ nativePreview.mimeType_ = "image/tiff";
+ nativePreviews.push_back(nativePreview);
+ }
+ } else {
+ // check for Adobe Illustrator 8.0 or older
+ if (illustrator8) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to write to EPS files created by Adobe Illustrator 8.0 or older.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+
+ // create temporary output file
+ BasicIo::AutoPtr tempIo(new MemIo);
+ assert (tempIo.get() != 0);
+ if (!tempIo->isopen()) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Unable to create temporary file for writing.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Created temporary file " << tempIo->path() << "\n";
+ #endif
+
+ // sort all positions
+ std::vector positions;
+ positions.push_back(posLanguageLevel);
+ positions.push_back(posContainsXmp);
+ positions.push_back(posPages);
+ positions.push_back(posExiv2Version);
+ positions.push_back(posExiv2Website);
+ positions.push_back(posEndComments);
+ positions.push_back(posPage);
+ positions.push_back(posBeginPageSetup);
+ positions.push_back(posEndPageSetup);
+ positions.push_back(posPageTrailer);
+ positions.push_back(posEof);
+ positions.push_back(posEndEps);
+ if (useFlexibleEmbedding) {
+ positions.push_back(xmpPos);
+ }
+ for (std::vector >::const_iterator e = removableEmbeddings.begin(); e != removableEmbeddings.end(); ++e) {
+ positions.push_back(e->first);
+ }
+ std::sort(positions.begin(), positions.end());
+
+ // assemble result EPS document
+ if (dosEps) {
+ // DOS EPS header will be written afterwards
+ writeTemp(*tempIo, std::string(30, '\x00'));
+ }
+ const std::string containsXmpLine = deleteXmp ? "%ADO_ContainsXMP: NoMain" : "%ADO_ContainsXMP: MainFirst";
+ const uint32_t posEpsNew = posTemp(*tempIo);
+ size_t prevPos = posEps;
+ size_t prevSkipPos = prevPos;
+ for (std::vector::const_iterator i = positions.begin(); i != positions.end(); ++i) {
+ const size_t pos = *i;
+ if (pos == prevPos) continue;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Writing at " << pos << "\n";
+ #endif
+ if (pos < prevSkipPos) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Internal error while assembling the result EPS document: "
+ "Unable to continue at position " << pos << " after skipping to position " << prevSkipPos << "\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ writeTemp(*tempIo, data + prevSkipPos, pos - prevSkipPos);
+ const size_t posLineEnd = readLine(line, data, pos, posEndEps);
+ size_t skipPos = pos;
+ // add last line ending if necessary
+ if (pos == posEndEps && pos >= 1 && data[pos - 1] != '\r' && data[pos - 1] != '\n') {
+ writeTemp(*tempIo, lineEnding);
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Added missing line ending of last line\n";
+ #endif
+ }
+ // update and complement DSC comments
+ if (pos == posLanguageLevel && posLanguageLevel != posEndEps && !deleteXmp && !useFlexibleEmbedding) {
+ if (line == "%%LanguageLevel:1" || line == "%%LanguageLevel: 1") {
+ writeTemp(*tempIo, "%%LanguageLevel: 2" + lineEnding);
+ skipPos = posLineEnd;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ }
+ if (pos == posContainsXmp && posContainsXmp != posEndEps) {
+ if (line != containsXmpLine) {
+ writeTemp(*tempIo, containsXmpLine + lineEnding);
+ skipPos = posLineEnd;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ }
+ if (pos == posExiv2Version && posExiv2Version != posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Version: " + versionNumberHexString() + lineEnding);
+ skipPos = posLineEnd;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ if (pos == posExiv2Website && posExiv2Website != posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Website: http://www.exiv2.org/" + lineEnding);
+ skipPos = posLineEnd;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ if (pos == posEndComments) {
+ if (posLanguageLevel == posEndEps && !deleteXmp && !useFlexibleEmbedding) {
+ writeTemp(*tempIo, "%%LanguageLevel: 2" + lineEnding);
+ }
+ if (posContainsXmp == posEndEps) {
+ writeTemp(*tempIo, containsXmpLine + lineEnding);
+ }
+ if (posPages == posEndEps) {
+ writeTemp(*tempIo, "%%Pages: 1" + lineEnding);
+ }
+ if (posExiv2Version == posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Version: " + versionNumberHexString() + lineEnding);
+ }
+ if (posExiv2Website == posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Website: http://www.exiv2.org/" + lineEnding);
+ }
+ readLine(line, data, posEndComments, posEndEps);
+ if (line != "%%EndComments") {
+ writeTemp(*tempIo, "%%EndComments" + lineEnding);
+ }
+ }
+ if (pos == posPage) {
+ if (!startsWith(line, "%%Page:")) {
+ writeTemp(*tempIo, "%%Page: 1 1" + lineEnding);
+ writeTemp(*tempIo, "%%EndPageComments" + lineEnding);
+ }
+ }
+ if (pos == posBeginPageSetup) {
+ if (line != "%%BeginPageSetup") {
+ writeTemp(*tempIo, "%%BeginPageSetup" + lineEnding);
+ }
+ }
+ if (useFlexibleEmbedding) {
+ // insert XMP metadata into existing flexible embedding
+ if (pos == xmpPos) {
+ if (fixBeginXmlPacket) {
+ writeTemp(*tempIo, "%begin_xml_packet: " + toString(xmpPacket.size()) + lineEnding);
+ }
+ writeTemp(*tempIo, xmpPacket);
+ skipPos += xmpSize;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ }
+ if (!useFlexibleEmbedding) {
+ // remove preceding embedding(s)
+ for (std::vector >::const_iterator e = removableEmbeddings.begin(); e != removableEmbeddings.end(); ++e) {
+ if (pos == e->first) {
+ skipPos = e->second;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ break;
+ }
+ }
+ // insert XMP metadata with new flexible embedding, if necessary
+ if (pos == posEndPageSetup && !deleteXmp) {
+ writeTemp(*tempIo, "%Exiv2BeginXMP: Before %%EndPageSetup" + lineEnding);
+ if (corelDraw) {
+ writeTemp(*tempIo, "%Exiv2Notice: The following line is needed by CorelDRAW." + lineEnding);
+ writeTemp(*tempIo, "@rs" + lineEnding);
+ }
+ if (posBeginPhotoshop != posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Notice: The following line is needed by Photoshop." + lineEnding);
+ writeTemp(*tempIo, "%begin_xml_code" + lineEnding);
+ }
+ writeTemp(*tempIo, "/currentdistillerparams where" + lineEnding);
+ writeTemp(*tempIo, "{pop currentdistillerparams /CoreDistVersion get 5000 lt} {true} ifelse" + lineEnding);
+ writeTemp(*tempIo, "{userdict /Exiv2_pdfmark /cleartomark load put" + lineEnding);
+ writeTemp(*tempIo, " userdict /Exiv2_metafile_pdfmark {flushfile cleartomark} bind put}" + lineEnding);
+ writeTemp(*tempIo, "{userdict /Exiv2_pdfmark /pdfmark load put" + lineEnding);
+ writeTemp(*tempIo, " userdict /Exiv2_metafile_pdfmark {/PUT pdfmark} bind put} ifelse" + lineEnding);
+ writeTemp(*tempIo, "[/NamespacePush Exiv2_pdfmark" + lineEnding);
+ writeTemp(*tempIo, "[/_objdef {Exiv2_metadata_stream} /type /stream /OBJ Exiv2_pdfmark" + lineEnding);
+ writeTemp(*tempIo, "[{Exiv2_metadata_stream} 2 dict begin" + lineEnding);
+ writeTemp(*tempIo, " /Type /Metadata def /Subtype /XML def currentdict end /PUT Exiv2_pdfmark" + lineEnding);
+ writeTemp(*tempIo, "[{Exiv2_metadata_stream}" + lineEnding);
+ writeTemp(*tempIo, " currentfile 0 (% &&end XMP packet marker&&)" + lineEnding);
+ writeTemp(*tempIo, " /SubFileDecode filter Exiv2_metafile_pdfmark" + lineEnding);
+ if (posBeginPhotoshop != posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Notice: The following line is needed by Photoshop. "
+ "Parameter must be exact size of XMP metadata." + lineEnding);
+ writeTemp(*tempIo, "%begin_xml_packet: " + toString(xmpPacket.size()) + lineEnding);
+ }
+ writeTemp(*tempIo, xmpPacket);
+ writeTemp(*tempIo, lineEnding);
+ writeTemp(*tempIo, "% &&end XMP packet marker&&" + lineEnding);
+ writeTemp(*tempIo, "[/Document 1 dict begin" + lineEnding);
+ writeTemp(*tempIo, " /Metadata {Exiv2_metadata_stream} def currentdict end /BDC Exiv2_pdfmark" + lineEnding);
+ if (posBeginPhotoshop != posEndEps) {
+ writeTemp(*tempIo, "%Exiv2Notice: The following line is needed by Photoshop." + lineEnding);
+ writeTemp(*tempIo, "%end_xml_code" + lineEnding);
+ }
+ if (corelDraw) {
+ writeTemp(*tempIo, "%Exiv2Notice: The following line is needed by CorelDRAW." + lineEnding);
+ writeTemp(*tempIo, "@sv" + lineEnding);
+ }
+ writeTemp(*tempIo, "%Exiv2EndXMP" + lineEnding);
+ }
+ }
+ if (pos == posEndPageSetup) {
+ if (line != "%%EndPageSetup") {
+ writeTemp(*tempIo, "%%EndPageSetup" + lineEnding);
+ }
+ }
+ if (!useFlexibleEmbedding) {
+ if (pos == posPageTrailer && !deleteXmp) {
+ if (!implicitPageTrailer) {
+ skipPos = posLineEnd;
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: Skipping to " << skipPos << " at " << __FILE__ << ":" << __LINE__ << "\n";
+ #endif
+ }
+ writeTemp(*tempIo, "%%PageTrailer" + lineEnding);
+ writeTemp(*tempIo, "%Exiv2BeginXMP: After %%PageTrailer" + lineEnding);
+ writeTemp(*tempIo, "[/EMC Exiv2_pdfmark" + lineEnding);
+ writeTemp(*tempIo, "[/NamespacePop Exiv2_pdfmark" + lineEnding);
+ writeTemp(*tempIo, "%Exiv2EndXMP" + lineEnding);
+ }
+ }
+ // add EOF comment if necessary
+ if (pos == posEndEps && posEof == posEndEps) {
+ writeTemp(*tempIo, "%%EOF" + lineEnding);
+ }
+ prevPos = pos;
+ prevSkipPos = skipPos;
+ }
+ const uint32_t posEndEpsNew = posTemp(*tempIo);
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: New EPS size: " << (posEndEpsNew - posEpsNew) << "\n";
+ #endif
+ if (dosEps) {
+ // write WMF and/or TIFF section if present
+ writeTemp(*tempIo, data + posWmf, sizeWmf);
+ writeTemp(*tempIo, data + posTiff, sizeTiff);
+ #ifdef DEBUG
+ EXV_DEBUG << "readWriteEpsMetadata: New DOS EPS total size: " << posTemp(*tempIo) << "\n";
+ #endif
+ // write DOS EPS header
+ if (tempIo->seek(0, BasicIo::beg) != 0) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Internal error while seeking in temporary file.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ byte dosEpsHeader[30];
+ dosEpsSignature.copy(reinterpret_cast(dosEpsHeader), dosEpsSignature.size());
+ ul2Data(dosEpsHeader + 4, posEpsNew, littleEndian);
+ ul2Data(dosEpsHeader + 8, posEndEpsNew - posEpsNew, littleEndian);
+ ul2Data(dosEpsHeader + 12, sizeWmf == 0 ? 0 : posEndEpsNew, littleEndian);
+ ul2Data(dosEpsHeader + 16, sizeWmf, littleEndian);
+ ul2Data(dosEpsHeader + 20, sizeTiff == 0 ? 0 : posEndEpsNew + sizeWmf, littleEndian);
+ ul2Data(dosEpsHeader + 24, sizeTiff, littleEndian);
+ us2Data(dosEpsHeader + 28, 0xFFFF, littleEndian);
+ writeTemp(*tempIo, dosEpsHeader, sizeof(dosEpsHeader));
+ }
+
+ // copy temporary file to real output file
+ io.close();
+ io.transfer(*tempIo);
+ }
+ }
+
+} // namespace
+
+// *****************************************************************************
+// class member definitions
+namespace Exiv2
+{
+
+ EpsImage::EpsImage(BasicIo::AutoPtr io, bool create)
+ : Image(ImageType::eps, mdXmp, io)
+ {
+ //LogMsg::setLevel(LogMsg::debug);
+ if (create) {
+ if (io_->open() == 0) {
+ #ifdef DEBUG
+ EXV_DEBUG << "Exiv2::EpsImage:: Creating blank EPS image\n";
+ #endif
+ IoCloser closer(*io_);
+ if (io_->write(reinterpret_cast(epsBlank.data()), static_cast(epsBlank.size())) != static_cast(epsBlank.size())) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Failed to write blank EPS image.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+ }
+ }
+ }
+
+ std::string EpsImage::mimeType() const
+ {
+ return "application/postscript";
+ }
+
+ void EpsImage::setComment(const std::string& /*comment*/)
+ {
+ throw Error(kerInvalidSettingForImage, "Image comment", "EPS");
+ }
+
+ void EpsImage::readMetadata()
+ {
+ #ifdef DEBUG
+ EXV_DEBUG << "Exiv2::EpsImage::readMetadata: Reading EPS file " << io_->path() << "\n";
+ #endif
+
+ // read metadata
+ readWriteEpsMetadata(*io_, xmpPacket_, nativePreviews_, /* write = */ false);
+
+ // decode XMP metadata
+ if (xmpPacket_.size() > 0 && XmpParser::decode(xmpData_, xmpPacket_) > 1) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Failed to decode XMP metadata.\n";
+ #endif
+ throw Error(kerFailedToReadImageData);
+ }
+
+ #ifdef DEBUG
+ EXV_DEBUG << "Exiv2::EpsImage::readMetadata: Finished reading EPS file " << io_->path() << "\n";
+ #endif
+ }
+
+ void EpsImage::writeMetadata()
+ {
+ #ifdef DEBUG
+ EXV_DEBUG << "Exiv2::EpsImage::writeMetadata: Writing EPS file " << io_->path() << "\n";
+ #endif
+
+ // encode XMP metadata if necessary
+ if (!writeXmpFromPacket() && XmpParser::encode(xmpPacket_, xmpData_) > 1) {
+ #ifndef SUPPRESS_WARNINGS
+ EXV_WARNING << "Failed to encode XMP metadata.\n";
+ #endif
+ throw Error(kerImageWriteFailed);
+ }
+
+ // write metadata
+ readWriteEpsMetadata(*io_, xmpPacket_, nativePreviews_, /* write = */ true);
+
+ #ifdef DEBUG
+ EXV_DEBUG << "Exiv2::EpsImage::writeMetadata: Finished writing EPS file " << io_->path() << "\n";
+ #endif
+ }
+
+ // *************************************************************************
+ // free functions
+ Image::AutoPtr newEpsInstance(BasicIo::AutoPtr io, bool create)
+ {
+ Image::AutoPtr image(new EpsImage(io, create));
+ if (!image->good()) {
+ image.reset();
+ }
+ return image;
+ }
+
+ bool isEpsType(BasicIo& iIo, bool advance)
+ {
+ // read as many bytes as needed for the longest (DOS) EPS signature
+ long bufSize = static_cast(dosEpsSignature.size());
+ for (size_t i = 0; i < (sizeof epsFirstLine) / (sizeof *epsFirstLine); i++) {
+ if (bufSize < static_cast(epsFirstLine[i].size())) {
+ bufSize = static_cast(epsFirstLine[i].size());
+ }
+ }
+ DataBuf buf = iIo.read(bufSize);
+ if (iIo.error() || buf.size_ != bufSize) {
+ return false;
+ }
+ // check for all possible (DOS) EPS signatures
+ bool matched = (memcmp(buf.pData_, dosEpsSignature.data(), dosEpsSignature.size()) == 0);
+ for (size_t i = 0; !matched && i < (sizeof epsFirstLine) / (sizeof *epsFirstLine); i++) {
+ matched = (memcmp(buf.pData_, epsFirstLine[i].data(), epsFirstLine[i].size()) == 0);
+ }
+ // seek back if possible and requested
+ if (!advance || !matched) {
+ iIo.seek(-buf.size_, BasicIo::cur);
+ }
+ return matched;
+ }
+
+} // namespace Exiv2
diff --git a/src/image.cpp b/src/image.cpp
index 3c0dc3e1..afb49816 100644
--- a/src/image.cpp
+++ b/src/image.cpp
@@ -33,6 +33,7 @@
#endif// EXV_ENABLE_BMFF
#include "cr2image.hpp"
#include "crwimage.hpp"
+#include "epsimage.hpp"
#include "jpgimage.hpp"
#include "mrwimage.hpp"
#ifdef EXV_HAVE_LIBZ
@@ -117,6 +118,7 @@ namespace {
#endif // EXV_HAVE_LIBZ
{ ImageType::pgf, newPgfInstance, isPgfType, amReadWrite, amReadWrite, amReadWrite, amReadWrite },
{ ImageType::raf, newRafInstance, isRafType, amRead, amRead, amRead, amNone },
+ { ImageType::eps, newEpsInstance, isEpsType, amNone, amNone, amReadWrite, amNone },
{ ImageType::xmp, newXmpInstance, isXmpType, amReadWrite, amReadWrite, amReadWrite, amNone },
{ ImageType::gif, newGifInstance, isGifType, amNone, amNone, amNone, amNone },
{ ImageType::psd, newPsdInstance, isPsdType, amReadWrite, amReadWrite, amReadWrite, amNone },