TiffWriter.h

/*
    Scan Tailor - Interactive post-processing tool for scanned pages.
    Copyright (C) 2007-2008  Joseph Artsimovich <joseph_a@mail.ru>

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef TIFFWRITER_H_
#define TIFFWRITER_H_

#include <stdint.h>
#include <stddef.h>

class QIODevice;
class QString;
class QImage;
class Dpm;

class TiffWriter
{
public:
	/**
	 * \brief Writes a QImage in TIFF format to a file.
	 *
	 * \param file_path The full path to the file.
	 * \param image The image to write.  Writing a null image will fail.
	 * \return True on success, false on failure.
	 */
	static bool writeImage(QString const& file_path, QImage const& image);
	
	/**
	 * \brief Writes a QImage in TIFF format to an IO device.
	 *
	 * \param device The device to write to.  This device must be
	 *        opened for writing and seekable.
	 * \param image The image to write.  Writing a null image will fail.
	 * \return True on success, false on failure.
	 */
	static bool writeImage(QIODevice& device, QImage const& image);
private:
	class TiffHandle;
	
	static void setDpm(TiffHandle const& tif, Dpm const& dpm);
	
	static bool writeBitonalOrIndexed8Image(
		TiffHandle const& tif, QImage const& image);
	
	static bool writeRGB32Image(
		TiffHandle const& tif, QImage const& image);
	
	static bool writeARGB32Image(
		TiffHandle const& tif, QImage const& image);
	
	static bool write8bitLines(
		TiffHandle const& tif, QImage const& image);
	
	static bool writeBinaryLinesAsIs(
		TiffHandle const& tif, QImage const& image);
	
	static bool writeBinaryLinesReversed(
		TiffHandle const& tif, QImage const& image);
	
	static uint8_t const m_reverseBitsLUT[256];
};

#endif