1 files changed, 81 insertions, 0 deletions
diff --git a/vcl/inc/headless/BitmapHelper.hxx b/vcl/inc/headless/BitmapHelper.hxx
new file mode 100644
index 000000000..cffa0b21d
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+++ b/vcl/inc/headless/BitmapHelper.hxx
@@ -0,0 +1,81 @@
+/* -*- 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 .
+ */
+
+#pragma once
+
+#include <headless/CairoCommon.hxx>
+#include <headless/svpbmp.hxx>
+#include <basegfx/utils/systemdependentdata.hxx>
+
+class BitmapHelper : public SurfaceHelper
+{
+private:
+#ifdef HAVE_CAIRO_FORMAT_RGB24_888
+    const bool m_bForceARGB32;
+#endif
+    SvpSalBitmap aTmpBmp;
+
+public:
+    explicit BitmapHelper(const SalBitmap& rSourceBitmap, const bool bForceARGB32 = false);
+    void mark_dirty();
+    unsigned char* getBits(sal_Int32& rStride);
+};
+
+class MaskHelper : public SurfaceHelper
+{
+private:
+    std::unique_ptr<unsigned char[]> pAlphaBits;
+
+public:
+    explicit MaskHelper(const SalBitmap& rAlphaBitmap);
+};
+
+class SystemDependentData_BitmapHelper : public basegfx::SystemDependentData
+{
+private:
+    std::shared_ptr<BitmapHelper> maBitmapHelper;
+
+public:
+    SystemDependentData_BitmapHelper(
+        basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+        const std::shared_ptr<BitmapHelper>& rBitmapHelper);
+
+    const std::shared_ptr<BitmapHelper>& getBitmapHelper() const { return maBitmapHelper; };
+    virtual sal_Int64 estimateUsageInBytes() const override;
+};
+
+class SystemDependentData_MaskHelper : public basegfx::SystemDependentData
+{
+private:
+    std::shared_ptr<MaskHelper> maMaskHelper;
+
+public:
+    SystemDependentData_MaskHelper(basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+                                   const std::shared_ptr<MaskHelper>& rMaskHelper);
+
+    const std::shared_ptr<MaskHelper>& getMaskHelper() const { return maMaskHelper; };
+    virtual sal_Int64 estimateUsageInBytes() const override;
+};
+
+VCL_DLLPUBLIC void tryToUseSourceBuffer(const SalBitmap& rSourceBitmap,
+                                        std::shared_ptr<BitmapHelper>& rSurface);
+VCL_DLLPUBLIC void tryToUseMaskBuffer(const SalBitmap& rMaskBitmap,
+                                      std::shared_ptr<MaskHelper>& rMask);
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */