/* This Source Code Form is subject to the terms of the Mozilla Public *License,v.2.0.IfacopyoftheMPLwasnotdistributedwiththis
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
namespace mozilla { namespace image { namespace bmp {
// The length of the file header as defined in the BMP spec. staticconst size_t FILE_HEADER_LENGTH = 14;
// This lengths of the info header for the different BMP versions. struct InfoHeaderLength { enum {
WIN_V2 = 12,
WIN_V3 = 40, // BITMAPV2INFOHEADER (Adobe extension): WIN_V3 followed by 12 bytes of // RGB bitfield masks embedded inside the info header itself (rather than // appended after, as WIN_V3 with BITFIELDS compression does).
BITMAPV2INFOHEADER = 52, // BITMAPV3INFOHEADER (Adobe extension): BITMAPV2INFOHEADER plus a 4-byte // alpha mask, also embedded inside the info header.
BITMAPV3INFOHEADER = 56,
WIN_V4 = 108,
WIN_V5 = 124,
// OS2_V1 is omitted; it's the same as WIN_V2.
OS2_V2_MIN = 16, // Minimum allowed value for OS2v2.
OS2_V2_MAX = 64, // Maximum allowed value for OS2v2.
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