xref: /trunk/main/offapi/com/sun/star/rendering/FloatingPointBitmapLayout.idl (revision 1ecadb572e7010ff3b3382ad9bf179dbc6efadbb)
1/*************************************************************************
2 *
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * Copyright 2000, 2010 Oracle and/or its affiliates.
6 *
7 * OpenOffice.org - a multi-platform office productivity suite
8 *
9 * This file is part of OpenOffice.org.
10 *
11 * OpenOffice.org is free software: you can redistribute it and/or modify
12 * it under the terms of the GNU Lesser General Public License version 3
13 * only, as published by the Free Software Foundation.
14 *
15 * OpenOffice.org is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU Lesser General Public License version 3 for more details
19 * (a copy is included in the LICENSE file that accompanied this code).
20 *
21 * You should have received a copy of the GNU Lesser General Public License
22 * version 3 along with OpenOffice.org.  If not, see
23 * <http://www.openoffice.org/license.html>
24 * for a copy of the LGPLv3 License.
25 *
26 ************************************************************************/
27#ifndef __com_sun_star_rendering_FloatingPointBitmapLayout_idl__
28#define __com_sun_star_rendering_FloatingPointBitmapLayout_idl__
29
30#ifndef __com_sun_star_rendering_FloatingPointBitmapFormat_idl__
31#include <com/sun/star/rendering/FloatingPointBitmapFormat.idl>
32#endif
33#ifndef __com_sun_star_rendering_XColorSpace_idl__
34#include <com/sun/star/rendering/XColorSpace.idl>
35#endif
36
37module com { module sun { module star { module rendering {
38
39/** This structure describes the memory layout of a bitmap having
40    floating point color channels.<p>
41
42    This structure collects all necessary information to describe the
43    memory layout of a bitmap having floating point color channels<p>
44
45    @since OOo 2.0
46 */
47struct FloatingPointBitmapLayout
48{
49    /** Number of scanlines for this bitmap.
50
51        This value must not be negative
52     */
53    long                ScanLines;
54
55    /** Number of data bytes per scanline.
56
57        This value must not be negative
58     */
59    long                ScanLineBytes;
60
61    /** Byte offset between the start of two consecutive scanlines.
62
63        This value is permitted to be negative, denoting a bitmap
64        whose content is flipped at the x axis.
65     */
66    long                ScanLineStride;
67
68    /** Byte offset between the start of two consecutive planes.
69
70        This value is permitted to be negative. If this value is zero,
71        the bitmap is assumed to be in chunky format, otherwise it is
72        assumed to be planar.  The difference between chunky and
73        planar layout lies in the way how color channels are
74        interleaved. For a chunky format, all channel data for a
75        single pixel lies consecutively in memory. For a planar
76        layout, the first channel of all pixel is stored consecutive,
77        followed by the second channel, and so forth.<p>
78     */
79    long                PlaneStride;
80
81    // TODO(F3): Need some specializations of XColorSpace for float
82    // and half float formats. This maybe translates to the bitmap
83    // layout as well, leading to separate structs for double, float
84    // and half float formats, because of the ColorSpace member. Or
85    // leave it as it is, forcing the client to query for derived
86    // interfaces...
87
88    /// Color space the bitmap colors shall be interpreted within.
89    XColorSpace         ColorSpace;
90
91    /** Number of color components per pixel.
92
93        This value must not be negative
94     */
95    long                NumComponents;
96
97    /** Endianness of the pixel values.
98
99        This value must be one of the <type>Endianness</type> constants
100     */
101    byte                Endianness;
102
103    /** Format type of this bitmap.<p>
104
105        This value must be one of the
106        <type>FloatingPointBitmapFormat</type> constants.<p>
107    */
108    byte                Format;
109};
110
111}; }; }; };
112
113#endif
114