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-rw-r--r--vcl/source/pdf/PdfConfig.cxx36
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diff --git a/vcl/source/pdf/PdfConfig.cxx b/vcl/source/pdf/PdfConfig.cxx
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+/* -*- 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/.
+ *
+ */
+
+#include <pdf/PdfConfig.hxx>
+#include <cstdlib>
+
+#include <vcl/svapp.hxx>
+#include <vcl/outdev.hxx>
+
+namespace vcl::pdf
+{
+/// Get the default PDF rendering resolution in DPI.
+double getDefaultPdfResolutionDpi()
+{
+ // If an overriding default is set, use it.
+ const char* envar = ::getenv("PDFIMPORT_RESOLUTION_DPI");
+ if (envar)
+ {
+ const double dpi = atof(envar);
+ if (dpi > 0)
+ return dpi;
+ }
+
+ // Fallback to a sensible default.
+ return Application::GetDefaultDevice()->GetDPIX();
+}
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */