1 files changed, 52 insertions, 0 deletions
diff --git a/vcl/inc/unx/cairotextrender.hxx b/vcl/inc/unx/cairotextrender.hxx
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+++ b/vcl/inc/unx/cairotextrender.hxx
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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/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you 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 .
+ */
+
+#ifndef INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX
+#define INCLUDED_VCL_INC_UNX_CAIROTEXTRENDER_HXX
+
+#include <unx/freetypetextrender.hxx>
+
+class GenericSalLayout;
+class SalGraphics;
+typedef struct _cairo cairo_t;
+typedef struct _cairo_font_options cairo_font_options_t;
+
+class VCL_DLLPUBLIC CairoTextRender : public FreeTypeTextRenderImpl
+{
+private:
+    // https://gitlab.freedesktop.org/cairo/cairo/-/merge_requests/235
+    // I don't want to have CAIRO_ROUND_GLYPH_POS_ON set in the cairo
+    // surfaces font_options, but that's private, so tricky to achieve
+    cairo_font_options_t*       mpRoundGlyphPosOffOptions;
+protected:
+    virtual cairo_t*            getCairoContext() = 0;
+    virtual void                getSurfaceOffset(double& nDX, double& nDY) = 0;
+    virtual void                releaseCairoContext(cairo_t* cr) = 0;
+
+    virtual void                clipRegion(cairo_t* cr) = 0;
+
+public:
+    virtual void                DrawTextLayout(const GenericSalLayout&, const SalGraphics&) override;
+    CairoTextRender();
+    virtual ~CairoTextRender();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */