Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 135 insertions, 0 deletions

diff --git a/canvas/source/directx/dx_surfacebitmap.hxx b/canvas/source/directx/dx_surfacebitmap.hxx
new file mode 100644
index 000000000..ec71f4823
--- /dev/null
+++ b/canvas/source/directx/dx_surfacebitmap.hxx
@@ -0,0 +1,135 @@
+/* -*- 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 <rendering/isurfaceproxy.hxx>
+#include <rendering/isurfaceproxymanager.hxx>
+#include "dx_ibitmap.hxx"
+#include "dx_canvasfont.hxx"
+#include "dx_gdiplususer.hxx"
+#include "dx_rendermodule.hxx"
+
+namespace dxcanvas
+{
+    class DXSurfaceBitmap : public IBitmap
+    {
+    public:
+        DXSurfaceBitmap( const ::basegfx::B2IVector&                    rSize,
+                         const std::shared_ptr<canvas::ISurfaceProxyManager>&   rMgr,
+                         const IDXRenderModuleSharedPtr&                rRenderModule,
+                         bool                                           bWithAlpha );
+
+        bool resize( const ::basegfx::B2IVector& rSize );
+        void clear();
+
+        virtual GraphicsSharedPtr         getGraphics() override;
+
+        virtual BitmapSharedPtr           getBitmap() const override;
+        virtual ::basegfx::B2IVector      getSize() const override;
+        virtual bool                      hasAlpha() const override;
+
+        sal::systools::COMReference<surface_type> getSurface() const { return mpSurface; }
+
+        bool draw( double                           fAlpha,
+                   const ::basegfx::B2DPoint&       rPos,
+                   const ::basegfx::B2DHomMatrix&   rTransform );
+
+        bool draw( const ::basegfx::B2IRange&       rArea );
+
+        bool draw( double                           fAlpha,
+                   const ::basegfx::B2DPoint&       rPos,
+                   const ::basegfx::B2DRange&       rArea,
+                   const ::basegfx::B2DHomMatrix&   rTransform );
+
+        bool draw( double                           fAlpha,
+                   const ::basegfx::B2DPoint&       rPos,
+                   const ::basegfx::B2DPolyPolygon& rClipPoly,
+                   const ::basegfx::B2DHomMatrix&   rTransform );
+
+        virtual css::uno::Sequence< sal_Int8 > getData(
+            css::rendering::IntegerBitmapLayout&       bitmapLayout,
+            const css::geometry::IntegerRectangle2D&   rect ) override;
+
+        virtual void setData(
+            const css::uno::Sequence< sal_Int8 >&      data,
+            const css::rendering::IntegerBitmapLayout& bitmapLayout,
+            const css::geometry::IntegerRectangle2D&   rect ) override;
+
+        virtual void setPixel(
+            const css::uno::Sequence< sal_Int8 >&      color,
+            const css::rendering::IntegerBitmapLayout& bitmapLayout,
+            const css::geometry::IntegerPoint2D&       pos ) override;
+
+        virtual css::uno::Sequence< sal_Int8 > getPixel(
+            css::rendering::IntegerBitmapLayout&       bitmapLayout,
+            const css::geometry::IntegerPoint2D&       pos ) override;
+
+    private:
+        void init();
+
+        // Refcounted global GDI+ state container
+        GDIPlusUserSharedPtr mpGdiPlusUser;
+
+        // size of this image in pixels [integral unit]
+        ::basegfx::B2IVector maSize;
+
+        // pointer to the rendermodule, needed to create surfaces
+        // which are used as container for the actual pixel data.
+        // generally we could use any kind of storage, but GDI+
+        // is not willing to render antialiased fonts unless we
+        // use this special kind of container, don't ask me why...
+        IDXRenderModuleSharedPtr mpRenderModule;
+
+        // pointer to the surface manager, needed in case clients
+        // want to resize the bitmap.
+        std::shared_ptr<canvas::ISurfaceProxyManager> mpSurfaceManager;
+
+        // access point to the surface proxy which handles
+        // the hardware-dependent rendering stuff.
+        std::shared_ptr< canvas::ISurfaceProxy > mpSurfaceProxy;
+
+        // container for pixel data, we need to use a directx
+        // surface since GDI+ sucks...
+        sal::systools::COMReference<surface_type> mpSurface;
+
+        // since GDI+ does not work correctly in case we
+        // run on a 16bit display [don't ask me why] we need
+        // to occasionally render to a native GDI+ bitmap.
+        BitmapSharedPtr mpGDIPlusBitmap;
+        // Graphics for the mpGDIPlusBitmap
+        GraphicsSharedPtr mpGraphics;
+
+        // internal implementation of the iColorBuffer interface
+        std::shared_ptr<canvas::IColorBuffer> mpColorBuffer;
+
+        // indicates whether the associated surface needs
+        // to refresh its contents or not. in other words,
+        // this flag is set iff both representations are
+        // out of sync.
+        mutable bool mbIsSurfaceDirty;
+
+        // true if the bitmap contains an alpha channel
+        bool mbAlpha;
+    };
+
+    typedef std::shared_ptr< DXSurfaceBitmap > DXSurfaceBitmapSharedPtr;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */