office-gobmx/offapi/com/sun/star/rendering/FloatingPointBitmapLayout.idl
2012-06-12 14:56:28 +01:00

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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.
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* 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 .
*/
#ifndef __com_sun_star_rendering_FloatingPointBitmapLayout_idl__
#define __com_sun_star_rendering_FloatingPointBitmapLayout_idl__
#include <com/sun/star/rendering/FloatingPointBitmapFormat.idl>
#include <com/sun/star/rendering/XColorSpace.idl>
module com { module sun { module star { module rendering {
/** This structure describes the memory layout of a bitmap having
floating point color channels.<p>
This structure collects all necessary information to describe the
memory layout of a bitmap having floating point color channels<p>
@since OOo 2.0
*/
struct FloatingPointBitmapLayout
{
/** Number of scanlines for this bitmap.
This value must not be negative
*/
long ScanLines;
/** Number of data bytes per scanline.
This value must not be negative
*/
long ScanLineBytes;
/** Byte offset between the start of two consecutive scanlines.
This value is permitted to be negative, denoting a bitmap
whose content is flipped at the x axis.
*/
long ScanLineStride;
/** Byte offset between the start of two consecutive planes.
This value is permitted to be negative. If this value is zero,
the bitmap is assumed to be in chunky format, otherwise it is
assumed to be planar. The difference between chunky and
planar layout lies in the way how color channels are
interleaved. For a chunky format, all channel data for a
single pixel lies consecutively in memory. For a planar
layout, the first channel of all pixel is stored consecutive,
followed by the second channel, and so forth.<p>
*/
long PlaneStride;
// TODO(F3): Need some specializations of XColorSpace for float
// and half float formats. This maybe translates to the bitmap
// layout as well, leading to separate structs for double, float
// and half float formats, because of the ColorSpace member. Or
// leave it as it is, forcing the client to query for derived
// interfaces...
/// Color space the bitmap colors shall be interpreted within.
XColorSpace ColorSpace;
/** Number of color components per pixel.
This value must not be negative
*/
long NumComponents;
/** Endianness of the pixel values.
This value must be one of the <type>Endianness</type> constants
*/
byte Endianness;
/** Format type of this bitmap.<p>
This value must be one of the
<type>FloatingPointBitmapFormat</type> constants.<p>
*/
byte Format;
};
}; }; }; };
#endif
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