From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 07:54:39 +0200 Subject: Adding upstream version 4:24.2.0. Signed-off-by: Daniel Baumann --- .../source/mtfrenderer/transparencygroupaction.hxx | 85 ++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 cppcanvas/source/mtfrenderer/transparencygroupaction.hxx (limited to 'cppcanvas/source/mtfrenderer/transparencygroupaction.hxx') diff --git a/cppcanvas/source/mtfrenderer/transparencygroupaction.hxx b/cppcanvas/source/mtfrenderer/transparencygroupaction.hxx new file mode 100644 index 0000000000..ddf01ca009 --- /dev/null +++ b/cppcanvas/source/mtfrenderer/transparencygroupaction.hxx @@ -0,0 +1,85 @@ +/* -*- 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 +#include +#include + +#include + +namespace basegfx { + class B2DPoint; + class B2DVector; +} + +class GDIMetaFile; + + +/* Definition of internal::TransparencyGroupActionFactory */ + +namespace cppcanvas::internal + { + struct OutDevState; + + /** Transparency group action. + + This action groups a bunch of other actions, to be + rendered with the given transparency setting against the + background. + + Creates encapsulated converters between GDIMetaFile and + XCanvas. The Canvas argument is deliberately placed at the + constructor, to force reconstruction of this object for a + new canvas. This considerably eases internal state + handling, since a lot of the internal state (e.g. fonts, + text layout) is Canvas-dependent. + */ + namespace TransparencyGroupActionFactory + { + /** Create new transparency group action. + + @param rGroupMtf + Metafile that groups all actions to be rendered + transparent. + + @param rAlphaGradient + VCL gradient, to be rendered into the action's alpha + channel. + + @param rDstPoint + Left, top edge of destination, in current state + coordinate system + + @param rDstSize + Size of the transparency group object, in current + state coordinate system. + */ + std::shared_ptr createTransparencyGroupAction( std::unique_ptr< GDIMetaFile >&& rGroupMtf, + std::optional< Gradient >&& rAlphaGradient, + const ::basegfx::B2DPoint& rDstPoint, + const ::basegfx::B2DVector& rDstSize, + const CanvasSharedPtr& rCanvas, + const OutDevState& rState ); + } + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3