1 files changed, 126 insertions, 0 deletions
diff --git a/canvas/source/directx/dx_bitmapcanvashelper.hxx b/canvas/source/directx/dx_bitmapcanvashelper.hxx
new file mode 100644
index 000000000..46f970493
--- /dev/null
+++ b/canvas/source/directx/dx_bitmapcanvashelper.hxx
@@ -0,0 +1,126 @@
+/* -*- 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 <com/sun/star/rendering/XCanvas.hpp>
+#include <com/sun/star/rendering/XBitmapCanvas.hpp>
+
+#include <basegfx/vector/b2isize.hxx>
+#include <basegfx/vector/b2dsize.hxx>
+
+#include "dx_graphicsprovider.hxx"
+#include "dx_ibitmap.hxx"
+#include "dx_gdiplususer.hxx"
+#include "dx_impltools.hxx"
+#include "dx_canvashelper.hxx"
+
+
+namespace dxcanvas
+{
+    /** Helper class for basic canvas functionality. Also offers
+        optional backbuffer painting, when providing it with a second
+        HDC to render into.
+     */
+    class BitmapCanvasHelper : public CanvasHelper
+    {
+    public:
+        BitmapCanvasHelper();
+
+        /// Release all references
+        void disposing();
+
+        /** Set the target for rendering operations
+
+            @param rTarget
+            Render target
+         */
+        void setTarget( const IBitmapSharedPtr& rTarget );
+
+        /** Set the target for rendering operations
+
+            @param rTarget
+            Render target
+
+            @param rOutputOffset
+            Output offset in pixel
+         */
+        void setTarget( const IBitmapSharedPtr&   rTarget,
+                        const ::basegfx::B2ISize& rOutputOffset );
+
+
+        // CanvasHelper functionality is implementation-inherited. yuck.
+        // =============================================================
+        void clear();
+
+        css::uno::Reference< css::rendering::XCachedPrimitive >
+            drawTextLayout( const css::rendering::XCanvas*     pCanvas,
+                            const css::uno::Reference<
+                                css::rendering::XTextLayout >& laidOutText,
+                            const css::rendering::ViewState&   viewState,
+                            const css::rendering::RenderState& renderState );
+
+        // BitmapCanvasHelper functionality
+        // ================================
+
+        void copyRect( const css::rendering::XCanvas*          pCanvas,
+                       const css::uno::Reference<
+                               css::rendering::XBitmapCanvas >&    sourceCanvas,
+                       const css::geometry::RealRectangle2D&   sourceRect,
+                       const css::rendering::ViewState&        sourceViewState,
+                       const css::rendering::RenderState&      sourceRenderState,
+                       const css::geometry::RealRectangle2D&   destRect,
+                       const css::rendering::ViewState&        destViewState,
+                       const css::rendering::RenderState&      destRenderState );
+
+        css::geometry::IntegerSize2D getSize();
+
+        css::uno::Reference< css::rendering::XBitmap >
+            getScaledBitmap( const css::geometry::RealSize2D&  newSize,
+                             bool                                           beFast );
+
+        css::uno::Sequence< sal_Int8 >
+            getData( css::rendering::IntegerBitmapLayout&      bitmapLayout,
+                     const css::geometry::IntegerRectangle2D&  rect );
+
+        void setData( const css::uno::Sequence< sal_Int8 >&         data,
+                      const css::rendering::IntegerBitmapLayout&    bitmapLayout,
+                      const css::geometry::IntegerRectangle2D&      rect );
+
+        void setPixel( const css::uno::Sequence< sal_Int8 >&        color,
+                       const css::rendering::IntegerBitmapLayout&   bitmapLayout,
+                       const css::geometry::IntegerPoint2D&         pos );
+
+        css::uno::Sequence< sal_Int8 >
+            getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout,
+                      const css::geometry::IntegerPoint2D& pos );
+
+        css::uno::Reference< css::rendering::XBitmapPalette > getPalette();
+
+        css::rendering::IntegerBitmapLayout getMemoryLayout();
+
+        bool hasAlpha() const;
+
+    protected:
+        /// Render target
+        IBitmapSharedPtr mpTarget;
+    };
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */