4 files changed, 191 insertions, 0 deletions
diff --git a/vcl/inc/pdf/BitmapID.hxx b/vcl/inc/pdf/BitmapID.hxx
new file mode 100644
index 000000000..cedc57903
--- /dev/null
+++ b/vcl/inc/pdf/BitmapID.hxx
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_PDF_BITMAPID_HXX
+#define INCLUDED_VCL_INC_PDF_BITMAPID_HXX
+
+#include <vcl/dllapi.h>
+#include <vcl/checksum.hxx>
+#include <tools/gen.hxx>
+
+namespace vcl::pdf
+{
+struct BitmapID
+{
+    Size m_aPixelSize;
+    sal_Int32 m_nSize;
+    BitmapChecksum m_nChecksum;
+    BitmapChecksum m_nMaskChecksum;
+
+    BitmapID()
+        : m_nSize(0)
+        , m_nChecksum(0)
+        , m_nMaskChecksum(0)
+    {
+    }
+
+    bool operator==(const BitmapID& rComp) const
+    {
+        return (m_aPixelSize == rComp.m_aPixelSize && m_nSize == rComp.m_nSize
+                && m_nChecksum == rComp.m_nChecksum && m_nMaskChecksum == rComp.m_nMaskChecksum);
+    }
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/Matrix3.hxx b/vcl/inc/pdf/Matrix3.hxx
new file mode 100644
index 000000000..c36332015
--- /dev/null
+++ b/vcl/inc/pdf/Matrix3.hxx
@@ -0,0 +1,54 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_PDF_MATRIX3_HXX
+#define INCLUDED_VCL_INC_PDF_MATRIX3_HXX
+
+#include <vcl/dllapi.h>
+#include <tools/gen.hxx>
+
+namespace vcl::pdf
+{
+// matrix helper class
+// TODO: use basegfx matrix class instead or derive from it
+
+/*  for sparse matrices of the form (2D linear transformations)
+ *  f[0] f[1] 0
+ *  f[2] f[3] 0
+ *  f[4] f[5] 1
+ */
+class Matrix3
+{
+    double f[6];
+
+    void set(const double* pn)
+    {
+        for (int i = 0; i < 6; i++)
+            f[i] = pn[i];
+    }
+
+public:
+    Matrix3();
+
+    void skew(double alpha, double beta);
+    void scale(double sx, double sy);
+    void rotate(double angle);
+    void translate(double tx, double ty);
+    void invert();
+
+    double get(size_t i) const { return f[i]; }
+
+    Point transform(const Point& rPoint) const;
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/ResourceDict.hxx b/vcl/inc/pdf/ResourceDict.hxx
new file mode 100644
index 000000000..488a821db
--- /dev/null
+++ b/vcl/inc/pdf/ResourceDict.hxx
@@ -0,0 +1,42 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_PDF_RESOURCEDICT_HXX
+#define INCLUDED_VCL_INC_PDF_RESOURCEDICT_HXX
+
+#include <vcl/dllapi.h>
+#include <rtl/strbuf.hxx>
+#include <map>
+
+namespace vcl::pdf
+{
+enum class ResourceKind
+{
+    XObject,
+    ExtGState,
+    Shading,
+    Pattern
+};
+
+struct ResourceDict
+{
+    // note: handle fonts globally for performance
+    std::map<OString, sal_Int32> m_aXObjects;
+    std::map<OString, sal_Int32> m_aExtGStates;
+    std::map<OString, sal_Int32> m_aShadings;
+    std::map<OString, sal_Int32> m_aPatterns;
+
+    void append(OStringBuffer& rBuffer, sal_Int32 nFontDictObject);
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/inc/pdf/XmpMetadata.hxx b/vcl/inc/pdf/XmpMetadata.hxx
new file mode 100644
index 000000000..61438e0e5
--- /dev/null
+++ b/vcl/inc/pdf/XmpMetadata.hxx
@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_INC_PDF_XMPMETADATA_HXX
+#define INCLUDED_VCL_INC_PDF_XMPMETADATA_HXX
+
+#include <vcl/dllapi.h>
+#include <rtl/string.hxx>
+#include <tools/stream.hxx>
+#include <memory>
+
+namespace vcl::pdf
+{
+class XmpMetadata
+{
+private:
+    bool mbWritten;
+    std::unique_ptr<SvMemoryStream> mpMemoryStream;
+
+public:
+    OString msTitle;
+    OString msAuthor;
+    OString msSubject;
+    OString msProducer;
+    OString msKeywords;
+    OString m_sCreatorTool;
+    OString m_sCreateDate;
+
+    sal_Int32 mnPDF_A;
+    bool mbPDF_UA;
+
+public:
+    XmpMetadata();
+    sal_uInt64 getSize();
+    const void* getData();
+
+private:
+    void write();
+};
+}
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */