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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 .
+ */
+
+#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: */