04ac09d472
Change-Id: Ib66bb311002292dbed0a91452849d9192039c89c Reviewed-on: https://gerrit.libreoffice.org/85780 Reviewed-by: Julien Nabet <serval2412@yahoo.fr> Tested-by: Julien Nabet <serval2412@yahoo.fr>
152 lines
4.8 KiB
Text
152 lines
4.8 KiB
Text
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef __com_sun_star_rendering_CompositeOperation_idl__
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#define __com_sun_star_rendering_CompositeOperation_idl__
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module com { module sun { module star { module rendering {
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/** These constants determine how the primitive color is combined with
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the background.<p>
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When performing these calculations, it is assumed that all color
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values are premultiplied with the corresponding alpha values (if
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no alpha is specified, 1.0 is assumed). Then, the following
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general compositing operation is performed:
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<p>
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C = Ca * Fa + Cb * Fb
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<p>
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where C is the result color, Ca and Cb are the input colors,
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premultiplied with alpha, and Fa and Fb are described for the
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different composite modes (wherein Aa and Ab denote source and
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destination alpha, respectively).<p>
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@since OOo 2.0
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*/
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constants CompositeOperation
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{
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/** Clear the destination.<p>
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Clear the destination area. The function values are: Fa = Fb =
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0.<p>
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*/
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const byte CLEAR = 0;
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/** Copy source as-is to the destination.<p>
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Copy source as-is to the destination. The function values are:
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Fa = 1, Fb = 0.<p>
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*/
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const byte SOURCE = 1;
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/** Leave the destination as-is.<p>
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Leave the destination as-is. The function values are: Fa = 0,
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Fb = 1.<p>
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*/
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const byte DESTINATION = 2;
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/** Copy the source over the destination.<p>
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Copy the source over the destination. The function values are:
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Fa = 1, Fb = 1-Aa.<p>
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*/
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const byte OVER = 3;
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/** Copy the source under the destination.<p>
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Copy the source under the destination. The function values
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are: Fa = 1-Ab, Fb = 1.<p>
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*/
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const byte UNDER = 4;
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/** Copy the source to the destination.<p>
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Copy the source to the destination, but limited to where the
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destination is. The function values are: Fa = Ab, Fb = 0.<p>
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*/
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const byte INSIDE = 5;
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/** Leave the destination as is.<p>
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Leave the destination as is, but only where the source
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was. The function values are: Fa = 0, Fb = Aa.<p>
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*/
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const byte INSIDE_REVERSE = 6;
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/** Copy the source to the destination<p>
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Copy the source to the destination, but limited to where the
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destination is not. The function values are: Fa = 1-Ab, Fb =
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0.<p>
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*/
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const byte OUTSIDE = 7;
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/** Leave the destination as is.<p>
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Leave the destination as is, but only where the source has not
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been. The function values are: Fa = 0, Fb = 1-Aa.<p>
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*/
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const byte OUTSIDE_REVERSE = 8;
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/** Copy the source over the destination<p>
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Copy the source over the destination, but only where the
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destination is. Keep the destination. The function values are:
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Fa = Ab, Fb = 1-Aa.<p>
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*/
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const byte ATOP = 9;
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/** Copy the destination over the source.<p>
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Copy the destination over the source, but only where the
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source is. Keep the source. The function values are: Fa =
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1-Ab, Fb = Aa.<p>
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*/
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const byte ATOP_REVERSE = 10;
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/** Combine source and destination by exclusive or.<p>
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Take only the parts where either source or destination, but
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not both visible. The function values are: Fa = 1-Ab, Fb =
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1-Aa.<p>
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*/
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const byte XOR = 11;
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/** Add source and destination values.<p>
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Simply add contributions of both source and destination. The
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resulting color values are limited to the permissible color
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range, and clipped to the maximal value, if exceeded. The
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function values are: Fa = 1, Fb = 1.<p>
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*/
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const byte ADD = 12;
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/** Saturate source and destination.<p>
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Saturate destination with source values. The function values
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are: Fa = min(1,(1-Ab)/Aa), Fb = 1<p>
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*/
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const byte SATURATE = 13;
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};
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}; }; }; };
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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