summaryrefslogtreecommitdiffstats
path: root/canvas/source/tools/surfaceproxy.hxx
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--canvas/source/tools/surfaceproxy.hxx118
1 files changed, 118 insertions, 0 deletions
diff --git a/canvas/source/tools/surfaceproxy.hxx b/canvas/source/tools/surfaceproxy.hxx
new file mode 100644
index 000000000..72841d754
--- /dev/null
+++ b/canvas/source/tools/surfaceproxy.hxx
@@ -0,0 +1,118 @@
+/* -*- 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/icolorbuffer.hxx>
+
+#include "pagemanager.hxx"
+#include "surface.hxx"
+
+namespace canvas
+{
+ /** Definition of the surface proxy class.
+
+ Surface proxies are the connection between *one* source image
+ and *one or more* hardware surfaces (or textures). in a
+ logical structure surface proxies represent solely this
+ dependency plus some simple cache management.
+ */
+ class SurfaceProxy : public ISurfaceProxy
+ {
+ public:
+
+ SurfaceProxy( std::shared_ptr<canvas::IColorBuffer> xBuffer,
+ PageManagerSharedPtr xPageManager );
+
+ // ISurfaceProxy interface
+ virtual void setColorBufferDirty() override;
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DHomMatrix& rTransform ) override;
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rArea
+ Subset of the surface to render. Coordinate system are
+ surface area pixel, given area will be clipped to the
+ surface bounds.
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DRange& rArea,
+ const ::basegfx::B2DHomMatrix& rTransform ) override;
+
+ /** Render the surface content to screen.
+
+ @param fAlpha
+ Overall alpha for content
+
+ @param rPos
+ Output position
+
+ @param rClipPoly
+ Clip polygon for the surface. The clip polygon is also
+ subject to the output transformation.
+
+ @param rTransform
+ Output transformation (does not affect output position)
+ */
+ virtual bool draw( double fAlpha,
+ const ::basegfx::B2DPoint& rPos,
+ const ::basegfx::B2DPolyPolygon& rClipPoly,
+ const ::basegfx::B2DHomMatrix& rTransform ) override;
+
+ private:
+ PageManagerSharedPtr mpPageManager;
+
+ // the pagemanager will distribute the image
+ // to one or more surfaces, this is why we
+ // need a list here.
+ std::vector<SurfaceSharedPtr> maSurfaceList;
+
+ // pointer to the source of image data
+ // which always is stored in system memory,
+ // 32bit rgba and can have any size.
+ std::shared_ptr<canvas::IColorBuffer> mpBuffer;
+ };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */