#include "./bitmapinfoheader.h"

#include <c++utilities/io/binaryreader.h>

using namespace IoUtilities;

namespace Media {

/*!
 * \class Media::BitmapInfoHeader
 * \brief The BitmapInfoHeader class parses the BITMAPINFOHEADER structure defined by MS.
 */

/*!
 * \brief Constructs a new BitmapInfoHeader.
 */
BitmapInfoHeader::BitmapInfoHeader() :
    size(0),
    width(0),
    height(0),
    planes(0),
    bitCount(0),
    compression(0),
    imageSize(0),
    horizontalResolution(0),
    verticalResolution(0),
    clrUsed(0),
    clrImportant(0)
{}

/*!
 * \brief Parses the BITMAPINFOHEADER structure using the specified \a reader.
 * \remarks 0x28 byte will be read from the associated stream.
 */
void BitmapInfoHeader::parse(BinaryReader &reader)
{
    size = reader.readUInt32LE();
    width = reader.readUInt32LE();
    height = reader.readUInt32LE();
    planes = reader.readUInt16LE();
    bitCount = reader.readUInt16LE();
    compression = reader.readUInt32BE();
    imageSize = reader.readUInt32LE();
    horizontalResolution = reader.readUInt32LE();
    verticalResolution = reader.readUInt32LE();
    clrUsed = reader.readUInt32LE();
    clrImportant = reader.readUInt32LE();
}

} // namespace Media