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Diffstat (limited to '')
| -rw-r--r-- | canvas/inc/base/integerbitmapbase.hxx | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/canvas/inc/base/integerbitmapbase.hxx b/canvas/inc/base/integerbitmapbase.hxx new file mode 100644 index 000000000..aca2551f2 --- /dev/null +++ b/canvas/inc/base/integerbitmapbase.hxx @@ -0,0 +1,109 @@ +/* -*- 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/IntegerBitmapLayout.hpp> +#include <verifyinput.hxx> +#include <osl/diagnose.h> + + +namespace canvas +{ + /** Helper template to handle XIntegerBitmap method forwarding to + BitmapCanvasHelper + + Use this helper to handle the XIntegerBitmap part of your + implementation. + + @tpl Base + Either BitmapCanvasBase (just XBitmap) or BitmapCanvasBase2 (XBitmap and + XBitmapCanvas). + */ + template< class Base > class IntegerBitmapBase : + public Base + { + public: + // XIntegerBitmap + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getData( css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerRectangle2D& rect ) override + { + tools::verifyArgs(rect, + OSL_THIS_FUNC, + static_cast< typename Base::UnambiguousBaseType* >(this)); + tools::verifyIndexRange(rect, Base::getSize() ); + + typename Base::MutexType aGuard( Base::m_aMutex ); + + return Base::maCanvasHelper.getData( bitmapLayout, + rect ); + } + + virtual void SAL_CALL setData( const css::uno::Sequence< sal_Int8 >&, + const css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerRectangle2D& rect ) override + { + tools::verifyArgs(bitmapLayout, rect, + OSL_THIS_FUNC, + static_cast< typename Base::UnambiguousBaseType* >(this)); + tools::verifyIndexRange(rect, Base::getSize() ); + + typename Base::MutexType aGuard( Base::m_aMutex ); + + Base::mbSurfaceDirty = true; + } + + virtual void SAL_CALL setPixel( const css::uno::Sequence< sal_Int8 >&, + const css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerPoint2D& pos ) override + { + tools::verifyArgs(bitmapLayout, pos, + OSL_THIS_FUNC, + static_cast< typename Base::UnambiguousBaseType* >(this)); + tools::verifyIndexRange(pos, Base::getSize() ); + + typename Base::MutexType aGuard( Base::m_aMutex ); + + Base::mbSurfaceDirty = true; + } + + virtual css::uno::Sequence< sal_Int8 > SAL_CALL getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout, + const css::geometry::IntegerPoint2D& pos ) override + { + tools::verifyArgs(pos, + OSL_THIS_FUNC, + static_cast< typename Base::UnambiguousBaseType* >(this)); + tools::verifyIndexRange(pos, Base::getSize() ); + + typename Base::MutexType aGuard( Base::m_aMutex ); + + return Base::maCanvasHelper.getPixel( bitmapLayout, + pos ); + } + + virtual css::rendering::IntegerBitmapLayout SAL_CALL getMemoryLayout( ) override + { + typename Base::MutexType aGuard( Base::m_aMutex ); + + return Base::maCanvasHelper.getMemoryLayout(); + } + }; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |