Add beginning of a TIFF file creation library

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3964 42af7a65-404d-4744-a932-0658087f49c3

9 files changed, 1232 insertions, 0 deletions

diff --git a/apps/ChangeLog.txt b/apps/ChangeLog.txt
index fb6b3dec7..456c5108d 100755
--- a/apps/ChangeLog.txt
+++ b/apps/ChangeLog.txt
@@ -111,3 +111,4 @@
 	  and command can be executed numerous times.  Add a new verify command
 	  that will write to a register, read from register, and verify that
 	  returned value.
+	* apps/graphics/tiff:  Add a library that can be used to create TIFF files.
\ No newline at end of file
diff --git a/apps/graphics/Makefile b/apps/graphics/Makefile
new file mode 100644
index 000000000..01775a2e3
--- /dev/null
+++ b/apps/graphics/Makefile
@@ -0,0 +1,72 @@
+############################################################################
+# apps/graphics/Makefile
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config	# Current configuration
+
+# Sub-directories
+
+SUBDIRS = tiff
+
+# Sub-directories that might need context setup
+
+CNTXTDIRS = 
+
+all: nothing
+.PHONY: nothing context depend clean distclean
+
+nothing:
+
+context:
+	@for dir in $(CNTXTDIRS) ; do \
+		$(MAKE) -C $$dir context TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"; \
+	done
+
+depend:
+	@for dir in $(SUBDIRS) ; do \
+		$(MAKE) -C $$dir depend TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"; \
+	done
+
+clean:
+	@for dir in $(SUBDIRS) ; do \
+		$(MAKE) -C $$dir clean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"; \
+	done
+
+distclean: clean
+	@for dir in $(SUBDIRS) ; do \
+		$(MAKE) -C $$dir distclean TOPDIR="$(TOPDIR)" APPDIR="$(APPDIR)"; \
+	done
+
+-include Make.dep
+
diff --git a/apps/graphics/tiff/Makefile b/apps/graphics/tiff/Makefile
new file mode 100644
index 000000000..9fc762c9c
--- /dev/null
+++ b/apps/graphics/tiff/Makefile
@@ -0,0 +1,93 @@
+############################################################################
+# apps/graphics/tiff/Makefile
+#
+#   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+-include $(TOPDIR)/.config
+-include $(TOPDIR)/Make.defs
+include $(APPDIR)/Make.defs
+
+# NuttX NX Graphics Example.
+
+ASRCS		=
+CSRCS		= tiff_addstrip.c  tiff_finalize.c  tiff_initialize.c  tiff_utils.c
+
+AOBJS		= $(ASRCS:.S=$(OBJEXT))
+COBJS		= $(CSRCS:.c=$(OBJEXT))
+
+SRCS		= $(ASRCS) $(CSRCS)
+OBJS		= $(AOBJS) $(COBJS)
+
+ifeq ($(WINTOOL),y)
+  BIN		= "${shell cygpath -w  $(APPDIR)/libapps$(LIBEXT)}"
+else
+  BIN		= "$(APPDIR)/libapps$(LIBEXT)"
+endif
+
+ROOTDEPPATH	= --dep-path .
+
+# Common build
+
+VPATH		= 
+
+all: .built
+.PHONY: context clean depend distclean
+
+$(AOBJS): %$(OBJEXT): %.S
+	$(call ASSEMBLE, $<, $@)
+
+$(COBJS): %$(OBJEXT): %.c
+	$(call COMPILE, $<, $@)
+
+.built: $(OBJS)
+	@( for obj in $(OBJS) ; do \
+		$(call ARCHIVE, $(BIN), $${obj}); \
+	done ; )
+	@touch .built
+
+context:
+
+.depend: Makefile $(SRCS)
+	@$(MKDEP) $(ROOTDEPPATH) $(CC) -- $(CFLAGS) -- $(SRCS) >Make.dep
+	@touch $@
+
+depend: .depend
+
+clean:
+	@rm -f *.o *~ .*.swp .built
+	$(call CLEAN)
+
+distclean: clean
+	@rm -f Make.dep .depend
+
+-include Make.dep
diff --git a/apps/graphics/tiff/tiff_addstrip.c b/apps/graphics/tiff/tiff_addstrip.c
new file mode 100644
index 000000000..360c71fc8
--- /dev/null
+++ b/apps/graphics/tiff/tiff_addstrip.c
@@ -0,0 +1,96 @@
+/****************************************************************************
+ * apps/graphics/tiff/tiff_addstrip.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <apps/tiff.h>
+
+#include "tiff_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_addstrip
+ *
+ * Description:
+ *   Add an image data strip.
+ *
+ * Input Parameters:
+ *   info    - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *   buffer  - A buffer containing a single row of data.
+ *   npixels - The number of pixels (not necessarily bytes) in the row of data.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int tiff_addstrip(FAR struct tiff_info_s *info, FAR uint8_t *buffer,
+                  nxgl_coord_t npixels)
+{
+#warning "Missing logic"
+  return -ENOSYS;
+}
+
diff --git a/apps/graphics/tiff/tiff_finalize.c b/apps/graphics/tiff/tiff_finalize.c
new file mode 100644
index 000000000..de9011833
--- /dev/null
+++ b/apps/graphics/tiff/tiff_finalize.c
@@ -0,0 +1,118 @@
+/****************************************************************************
+ * apps/graphics/tiff/tiff_finalize.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <apps/tiff.h>
+
+#include "tiff_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_finalize
+ *
+ * Description:
+ *   Finalize the TIFF output file, completing the TIFF file creation steps.
+ *
+ * Input Parameters:
+ *   info - A pointer to the caller allocated parameter passing/TIFF state
+ *          instance.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int tiff_finalize(FAR struct tiff_info_s *info)
+{
+  int ret = -EINVAL;
+
+  DEBUGASSERT(info && info->outfd >= 0 && info->tmp1fd >= 0 && info->tmp2fd >= 0);
+
+  /* Fix-up the StripOffsets and StripByteCounts IFD entries in the outfile */
+#warning "Missing logic"
+
+  /* Append the StripOffsets and StripByteCounts entries to the outfile */
+#warning "Missing logic"
+
+  /* Append the strip image data to the outfile */
+#warning "Missing logic"
+
+  /* Close all files */
+
+  (void)close(info->outfd);
+  (void)close(info->tmp1fd);
+  (void)close(info->tmp2fd);
+  info->outfd  = -1;
+  info->tmp1fd = -1;
+  info->tmp2fd = -1;
+
+  /* And remove the temporary files */
+#warning "Missing logic"
+  return ret;
+}
+
diff --git a/apps/graphics/tiff/tiff_initialize.c b/apps/graphics/tiff/tiff_initialize.c
new file mode 100644
index 000000000..8998f37c4
--- /dev/null
+++ b/apps/graphics/tiff/tiff_initialize.c
@@ -0,0 +1,190 @@
+/****************************************************************************
+ * apps/graphics/tiff/tiff_initialize.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <apps/tiff.h>
+
+#include "tiff_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_writeheader
+ *
+ * Description:
+ *   Setup to create a new TIFF file.
+ *
+ * Input Parameters:
+ *   info - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+static inline int tiff_writeheader(FAR struct tiff_info_s *info)
+{
+  struct tiff_header_s hdr;
+  int ret;
+
+  /* 0-1: Byte order */
+
+#ifdef CONFIG_ENDIAN_BIG
+  hdr.order[0] = 'M';  /* "MM"=big endian */
+  hdr.order[1] = 'M';
+#else
+  hdr.order[0] = 'I';  /* "II"=little endian */
+  hdr.order[1] = 'I';
+#endif
+
+  /* 2-3: 42 in appropriate byte order */
+
+  tiff_put16(hdr.magic, 42);
+
+  /* 4-7: Offset to the first IFD */
+  
+  tiff_put16(hdr.offset, sizeof(struct tiff_header_s));
+
+  /* Write the header to the output file */
+
+  ret = tiff_write(info->outfd, &hdr, sizeof(struct tiff_header_s));
+  if (ret == OK)
+    {
+      info->outsize = sizeof(struct tiff_header_s);
+    }
+  return ret;
+}
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_initialize
+ *
+ * Description:
+ *   Setup to create a new TIFF file.
+ *
+ * Input Parameters:
+ *   info - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int tiff_initialize(FAR struct tiff_info_s *info)
+{
+  int ret = -EINVAL;
+
+  DEBUGASSERT(info && info->outfile && info->tmpfile1 && info->tmpfile2);
+
+  /* Open all output files */
+
+  info->outfd = open(info->outfile, O_WRONLY|O_CREAT|O_TRUNC, 0666);
+  if (info->outfd < 0)
+    {
+      gdbg("Failed to open %s for writing: %d\n", info->outfile, errno);
+      goto errout;
+    }
+
+  info->tmp1fd = open(info->tmpfile1, O_WRONLY|O_CREAT|O_TRUNC, 0666);
+  if (info->tmp1fd < 0)
+    {
+      gdbg("Failed to open %s for writing: %d\n", info->tmpfile1, errno);
+      goto errout_with_outfd;
+    }
+
+  info->tmp2fd = open(info->tmpfile1, O_WRONLY|O_CREAT|O_TRUNC, 0666);
+  if (info->tmp2fd < 0)
+    {
+      gdbg("Failed to open %s for writing: %d\n", info->tmpfile1, errno);
+      goto errout_with_tmp1fd;
+    }
+
+  /* Write the TIFF header data to the outfile */
+
+  ret = tiff_writeheader(info);
+  if (ret < 0)
+    {
+      goto errout_with_tmp2fd;
+    }
+
+  /* Write the IFD data to the outfile */
+#warning "Missing Logic"
+  return OK;
+
+errout_with_tmp2fd:
+  (void)close(info->tmp2fd);
+  info->tmp2fd = -1;
+errout_with_tmp1fd:
+  (void)close(info->tmp1fd);
+  info->tmp1fd = -1;
+errout_with_outfd:
+  (void)close(info->outfd);
+  info->outfd = -1;
+errout:
+  return ret;
+}
+
diff --git a/apps/graphics/tiff/tiff_internal.h b/apps/graphics/tiff/tiff_internal.h
new file mode 100644
index 000000000..a4a8eb7fa
--- /dev/null
+++ b/apps/graphics/tiff/tiff_internal.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+ * apps/graphics/tiff/tiff_internal.h
+ *
+ *   Copyright (C) 2010 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+#ifndef __APPS_GRPHICS_TIFF_TIFF_INTERNAL_H
+#define __APPS_GRPHICS_TIFF_TIFF_INTERNAL_H
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <stdint.h>
+
+#include <nuttx/nx/nxglib.h>
+#include <apps/tiff.h>
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+#undef EXTERN
+#if defined(__cplusplus)
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_write
+ *
+ * Description:
+ *   Write TIFF data to the specified file
+ *
+ * Input Parameters:
+ *   fd - Open file descriptor to write to
+ *   buffer - Read-only buffer containing the data to be written
+ *   count - The number of bytes to write
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+EXTERN int tiff_write(int fd, FAR void *buffer, size_t count);
+
+#undef EXTERN
+#if defined(__cplusplus)
+}
+#endif
+
+#endif  /* __APPS_GRPHICS_TIFF_TIFF_INTERNAL_H */
+
diff --git a/apps/graphics/tiff/tiff_utils.c b/apps/graphics/tiff/tiff_utils.c
new file mode 100644
index 000000000..13f9e6801
--- /dev/null
+++ b/apps/graphics/tiff/tiff_utils.c
@@ -0,0 +1,171 @@
+/****************************************************************************
+ * apps/graphics/tiff/tiff_utils.c
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <unistd.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <apps/tiff.h>
+
+#include "tiff_internal.h"
+
+/****************************************************************************
+ * Pre-Processor Definitions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: tiff_put16 and tiff_put32
+ *
+ * Description:
+ *   Put 16 and 32 values in the correct byte order at the specified position.
+ *
+ * Input Parameters:
+ *   dest - The location to store the multi-byte data
+ *   value - The value to be stored
+ *
+ * Returned Value:
+ *   None
+ *
+ ****************************************************************************/
+
+void tiff_put16(FAR uint8_t *dest, uint16_t value)
+{
+#ifdef CONFIG_ENDIAN_BIG
+  *dest++ = (uint8_t)(value >> 8);
+  *dest   = (uint8_t)(value & 0xff);
+#else
+  *dest++ = (uint8_t)(value & 0xff);
+  *dest   = (uint8_t)(value >> 8);
+#endif
+}
+
+void tiff_put32(FAR uint8_t *dest, uint32_t value)
+{
+#ifdef CONFIG_ENDIAN_BIG
+  tiff_put16(dest,   (uint16_t)(value >> 16));
+  tiff_put16(dest+2, (uint16_t)(value & 0xffff));
+#else
+  tiff_put16(dest,   (uint16_t)(value & 0xffff));
+  tiff_put16(dest+2, (uint16_t)(value >> 16));
+#endif
+}
+
+/****************************************************************************
+ * Name: tiff_write
+ *
+ * Description:
+ *   Write TIFF data to the specified file
+ *
+ * Input Parameters:
+ *   fd - Open file descriptor to write to
+ *   buffer - Read-only buffer containing the data to be written
+ *   count - The number of bytes to write
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ****************************************************************************/
+
+int tiff_write(int fd, FAR void *buffer, size_t count)
+{
+  ssize_t nbytes;
+  int errval;
+
+  /* This loop retries the write until either: (1) it completes successfully,
+   * or (2) until an irrecoverble error occurs.
+   */
+
+  while (count > 0)
+    {
+      /* Do the write */
+
+      nbytes = write(fd, buffer, count);
+
+      /* Check for an error */
+
+      if (nbytes < 0)
+        {
+          /* EINTR is not an error.. this just means that the write was
+           * interrupted by a signal.
+           */
+
+          errval = errno;
+          if (errval != EINTR)
+            {
+              /* Other errors are bad news and we will break out with an error */
+
+              return -errval;
+            }
+        }
+
+      /* What if the the write returns some number of bytes other than the requested number? */
+
+      else
+        {
+          DEBUGASSERT(nbytes < count && nbytes != 0);
+          count -= nbytes;
+        }
+    }
+
+  return OK;
+}
+
diff --git a/apps/include/tiff.h b/apps/include/tiff.h
new file mode 100644
index 000000000..96d2241c9
--- /dev/null
+++ b/apps/include/tiff.h
@@ -0,0 +1,392 @@
+/************************************************************************************
+ * apps/include/tiff.h
+ *
+ *   Copyright (C) 2011 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <spudmonkey@racsa.co.cr>
+ *
+ * Reference:
+ *   "TIFF, Revision 6.0, Final," June 3, 1992, Adobe Developers Association.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __APPS_INCLUDE_TIFF_H
+#define __APPS_INCLUDE_TIFF_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+#include <nuttx/nx/nxglib.h>
+
+/************************************************************************************
+ * Pre-Processor Definitions
+ ************************************************************************************/
+/* Configuration ********************************************************************/
+
+/* TIFF File Format Definitions *****************************************************/
+/* Values for the IFD field type */
+
+#define IFD_FIELD_BYTE              1 /* 8-bit unsigned integer */
+#define IFD_FIELD_ASCII             2 /* 8-bit byte that contains a 7-bit ASCII code.
+                                       * The last byte must be NUL */
+#define IFD_FIELD_SHORT             3 /* 16-bit (2-byte) unsigned integer */
+#define IFD_FIELD_LONG              4 /* 32-bit (4-byte) unsigned integer */
+#define IFD_FIELD_RATIONAL          5 /* Two LONGs: the first represents the
+                                       * numerator of a fraction, the second the
+                                       * denominator */
+#define IFD_FIELD_SBYTE             6 /* An 8-bit signed (twos-complement) integer */
+#define IFD_FIELD_UNDEFINED         7 /* An 8-bit byte that may contain anything,
+                                       * depending on the definition of the field */
+#define IFD_FIELD_SSHORT            8 /* A 16-bit (2-byte) signed (twos-complement)
+                                       * integer */
+#define IFD_FIELD_SLONG             9 /* A 32-bit (4-byte) signed (twos-complement)
+                                       * integer */
+#define IFD_FIELD_SRATIONAL        10 /* Two SLONG’s: the first represents the
+                                       * numerator of a fraction, the second the
+                                       * denominator */
+#define IFD_FIELD_FLOAT            11 /* Single precision (4-byte) IEEE format */
+#define IFD_FIELD_DOUBLE           12 /* Double precision (8-byte) IEEE format */
+
+/* Values for the IFD tag type */
+
+#define IFD_TAG_NEWSUBFILETYPE    254 /* NewSubfileType, LONG */
+#  define TAG_SUBFILETYPE_REDUCED (1 << 0) /* Bit 0: Reduced resolution verson of image */
+#  define TAG_SUBFILETYPE_SINGLE  (1 << 1) /* Bit 1: Single page of a multi-page image */
+#  define TAG_SUBFILETYPE_TRANSP  (1 << 2) /* Bit 2: Defines a transparency mask for image */
+#define IFD_TAG_SUBFILETYPE       255 /* SubfileType, SHORT */
+#  define TAG_SUBFILETYPE_FULL      1 /*   Full-resolution image data */
+#  define TAG_SUBFILETYPE_REDUCED   2 /*   Reduced-resolution image data */
+#  define TAG_SUBFILETYPE_SINGLE    3 /*   Single page of a multi-page image */
+#define IFD_TAG_IMAGEWIDTH        256 /* ImageLength, SHORT or LONG (Required) */
+#define IFD_TAG_IMAGELENGTH       257 /* ImageWidth, SHORT or LONG (Required) */
+#define IFD_TAG_BITSPERSAMPLE     258 /* BitsPerSample, SHORT (Required
+                                       * in greyscale and pallette-color image files) */ 
+#define IFD_TAG_COMPRESSION       259 /* Compression, SHORT (Required) */
+#  define TAG_COMP_NONE             1 /*   No compression */
+#  define TAG_COMP_CCITT            2 /*   CCITT Group 3 1-Dimensional Modified Huffman
+                                       *   run length encoding */
+#  define TAG_COMP_T4               3 /*   CCITT T.4 bi-level encoding */
+#  define TAG_COMP_T6               4 /*   CCITT T.6 bi-level encoding */
+#  define TAG_COMP_LZW              5 /*   LZW */
+#  define TAG_COMP_JPEG             6 /*   LZW */
+#  define TAG_COMP_NONE         32773 /*   PackBits compression */
+#define IFD_TAG_PMI               262 /* PhotometricInterpretation, SHORT (Required) */
+#  define TAG_PMI_WHITE             0 /*   WhiteIsZero */
+#  define TAG_PMI_BLACK             1 /*   BlackIsZero */
+#  define TAG_PMI_RGB               2 /*   RGB */
+#  define TAG_PMI_PALETTE           3 /*   Palette color */
+#  define TAG_PMI_TRANSP            4 /*   Transparency mask */
+#  define TAG_PMI_CMYK              5 /*   CMYK */
+#  define TAG_PMI_YCbCr             6 /*   YCbCr */
+#  define TAG_PMI_CIELAB            8 /*   1976 CIE L*a*b* */
+#define IFD_TAG_THRESHHOLDING     263 /* Threshholding, SHORT */
+#  define TAG_THRESHHOLD_NONE       1 /*   No dithering or halftoning has been applied */
+#  define TAG_THRESHHOLD_ORDERED    2 /*   Ordered dither or halftone technique has been applied */
+#  define TAG_THRESHHOLD_RANDOM     3 /*   Randomized process has been applied */
+#define IFD_TAG_CELLWIDTH         264 /* CellWidth, SHORT */
+#define IFD_TAG_CELLLENGTH        265 /* CellLength, SHORT */
+#define IFD_TAG_FILLORDER         266 /* FillOrder, SHORT */
+#  define TAG_FILLORDER_HIGH        1 /*   Lower column values are stored in the
+                                       *   higher-order bits */
+#  define TAG_FILLORDER_LOW         2 /*   Lower column values are stored in the
+                                       *   lower-order bits */
+#define IFD_TAG_DOCUMENTNAME      269 /* DocumentName, ASCII */
+#define IFD_TAG_IMAGEDESCRIPTION  270 /* ImageDescription, ASCII */
+#define IFD_TAG_MAKE              271 /* Make, ASCII */
+#define IFD_TAG_MODEL             272 /* Model, ASCII */
+#define IFD_TAG_STRIPOFFSETS      273 /* StripOffsets, SHORT or LONG (Required) */
+#define IFD_TAG_ORIENTATION       274 /* Orientation, SHORT */
+#  define TAG_ORIENTATION_TL        1 /*   (0,0)=top left */
+#  define TAG_ORIENTATION_TR        2 /*   (0,0)=top right */
+#  define TAG_ORIENTATION_BR        3 /*   (0,0)=bottom right */
+#  define TAG_ORIENTATION_BL        4 /*   (0,0)=bottom left */
+#  define TAG_ORIENTATION_LT        5 /*   (0,0)=left top */
+#  define TAG_ORIENTATION_RT        6 /*   (0,0)=right top */
+#  define TAG_ORIENTATION_RB        7 /*   (0,0)=right bottom */
+#  define TAG_ORIENTATION_LB        8 /*   (0,0)=left bottom */
+#define IFD_TAG_SAMPLESPERPIXEL   277 /* SamplesPerPixel, SHORT (Required in
+                                       * RGB full color files) */
+#define IFD_TAG_ROWSPERSTRIP      278 /* RowsPerStrip, SHORT or LONG (Required) */
+#define IFD_TAG_STRIPCOUNTS       279 /* StripByteCounts, SHORT or LONG (Required) */
+#define IFD_TAG_MINSAMPLEVALUE    280 /* MinSampleValue, SHORT */
+#define IFD_TAG_MAXSAMPLEVALUE    281 /* MaxSampleValue, SHORT */
+#define IFD_TAG_XRESOLUTION       282 /* XResolution, RATIONAL (Required) */
+#define IFD_TAG_YRESOLUTION       283 /* YResolution, RATIONAL (Required) */
+#define IFD_TAG_PLANARCONFIG      284 /* PlanarConfiguration, SHORT */
+#  define TAG_PLCONFIG_CHUNKY       1 /*   Chunky format */
+#  define TAG_PLCONFIG_PLANAR       2 /*   Planar format */
+#define IFD_TAG_PAGENAME          285 /* PageName, ASCII */
+#define IFD_TAG_XPOSITION         286 /* XPosition, RATIONAL */
+#define IFD_TAG_YPOSITION         287 /* YPosition, RATIONAL */
+#define IFD_TAG_FREEOFFSETS       288 /* FreeOffsets, LONG */
+#define IFD_TAG_FREEBYTECOUNTS    289 /* FreeByteCounts, LONG */
+#define IFD_TAG_GRAYRESPONSEUNIT  290 /* GrayResponseUnit, SHORT */
+#  define TAG_GRAYRESPUNIT_10THS    1 /*   Number represents tenths of a unit */
+#  define TAG_GRAYRESPUNIT_100THS   2 /*   Number represents hundredths of a unit */
+#  define TAG_GRAYRESPUNIT_1KTHS    3 /*   Number represents thousandths of a unit */
+#  define TAG_GRAYRESPUNIT_10KTHS   4 /*   Number represents ten-thousandths of a unit */
+#  define TAG_GRAYRESPUNIT_100KTHS  5 /*   Number represents hundred-thousandths of a unit */
+#define IFD_TAG_GRAYRESPONSECURVE 291 /* GrayResponseCurve, SHORT */
+#define IFD_TAG_T4OPTIONS         292 /* T4Options, LONG */
+#  define TAG_T4OPTIONS_2D        (1 << 0) /*   2-dimensional coding */
+#  define TAG_T4OPTIONS_NONE      (1 << 1) /*   Uncompressed mode */
+#  define TAG_T4OPTIONS_FILL      (1 << 2) /*   Fill bits have been added */
+#define IFD_TAG_T6OPTIONS         293 /* T6Options, LONG */
+#  define TAG_T6OPTIONS_NONE      (1 << 1) /*   Uncompressed mode allowed */
+#define IFD_TAG_RESUNIT           296 /* ResolutionUnit, SHORT (Required) */
+#  define TAG_RESUNIT_NONE          1 /* No absolute unit of measurement */
+#  define TAG_RESUNIT_INCH          2 /* Inch (default) */
+#  define TAG_RESUNIT_CENTIMETER    3 /* Centimeter */
+#define IFD_TAG_PAGENUMBER        297 /* PageNumber, SHORT */
+#define IFD_TAG_TRANSFERFUNCTION  301 /* TransferFunction, SHORT */
+#define IFD_TAG_SOFTWARE          305 /* Software, ASCII */
+#define IFD_TAG_DATETIME          306 /* DateTime, ASCII */
+#define IFD_TAG_ARTIST            315 /* Artist, ASCII */
+#define IFD_TAG_HOSTCOMPUTER      316 /* HostComputer, ASCII */
+#define IFD_TAG_PREDICTOR         317 /* Predictor SHORT */
+#  define TAG_PREDICTOR_NONE        1 /*   No prediction scheme used before coding */
+#  define TAG_PREDICTOR_HORIZ       2 /*   Horizontal differencing */
+#define IFD_TAG_WHITEPOINT        318 /* WhitePoint, RATIONAL */
+#define IFD_TAG_PRIMARYCHROMA     319 /* PrimaryChromaticities, RATIONAL */
+#define IFD_TAG_COLORMAP          320 /* ColorMap, SHORT (Required in palette
+                                       * color image files) */
+#define IFD_TAG_HALFTONEHINTS     321 /* HalftoneHints, SHORT */
+#define IFD_TAG_TILEWIDTH         322 /* TileWidth, SHORT or LONG */
+#define IFD_TAG_TILELENGTH        323 /* TileLength, SHORT or LONG */
+#define IFD_TAG_TILEOFFSETS       324 /* TileOffsets, LONG */
+#define IFD_TAG_TILEBYTECOUNTS    325 /* TileByteCounts, SHORT or LONG */
+#define IFD_TAG_INKSET            332 /* InkSet, SHORT */
+#  define TAG_INKSET_CMYK           1 /*   CMYK */
+#  define TAG_INKSET_OTHER          2 /*   Not CMYK */
+#define IFD_TAG_INKNAMES          333 /* InkNames, ASCII */
+#define IFD_TAG_NUMBEROFINKS      334 /* NumberOfInks, SHORT */
+#define IFD_TAG_DOTRANGE          336 /* DotRange, BYTE or SHORT */
+#define IFD_TAG_TARGETPRINTER     337 /* TargetPrinter, ASCII */
+#define IFD_TAG_EXTRASAMPLES      338 /* ExtraSamples, SHORT */
+#  define TAG_EXTSAMP_UNSPEC        0 /*   Unspecified */
+#  define TAG_EXTSAMP_ASSOCALPHA    1 /*   Associated alpha data */
+#  define TAG_EXTSAMP_UNASSALPHA    2 /*   Unassociated alpha data */
+#define IFD_TAG_SAMPLEFORMAT      339 /* SampleFormat, SHORT */
+#  define TAG_SAMPLEFMT_UNSIGED     1 /*   Unsigned integer data */
+#  define TAG_SAMPLEFMT_SIGNED      2 /*   Two’s complement signed integer data */
+#  define TAG_SAMPLEFMT_FLOAT       3 /*   IEEE floating point data */
+#  define TAG_SAMPLEFMT_UNDEFINED   4 /*   Undefined data format */
+#define IFD_TAG_SMINSAMPLEVALUE   340 /* SMinSampleValue, type matches sample data */
+#define IFD_TAG_SMAXSAMPLEVALUE   341 /* SMaxSampleValue, type matches sample data */
+#define IFD_TAG_TRANSFERRANGE     342 /* TransferRange, SHORT */
+#define IFD_TAG_JPEGPROC          512 /* JPEGProc, SHORT */
+#define IFD_TAG_JPEGFMT           513 /* JPEGInterchangeFormat, LONG */
+#define IFD_TAG_JPEGLENGTH        514 /* JPEGInterchangeFormatLength, LONG */
+#define IFD_TAG_JPEGRESTART       515 /* JPEGRestartInterval, SHORT */
+#define IFD_TAG_JPEGLLPREDICTORS  517 /* JPEGLosslessPredictors, SHORT */
+#define IFD_TAG_JPEGPOINTXFORMS   518 /* JPEGPointTransforms, SHORT */
+#define IFD_TAG_JPEGQTABLES       519 /* JPEGQTables, LONG */
+#define IFD_TAG_JPEGDCTABLES      520 /* JPEGDCTables, LONG */
+#define IFD_TAG_JPEGACTABLES      521 /* JPEGACTables, LONG */
+#define IFD_TAG_YCbCrCOEFFS       529 /* YCbCrCoefficients, RATIONAL */
+#define IFD_TAG_YCbCrSUBSAMPLING  530 /* YCbCrSubSampling, SHORT */
+#define IFD_TAG_YCbCrPOSITIONING  531 /* YCbCrPositioning, SHORT */
+#define IFD_TAG_REFERENCEBW       532 /* ReferenceBlackWhite, RATIONAL */
+#define IFD_TAG_COPYRIGHT       33432 /* Copyright, ASCII */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+/* TIFF File Format Structure *******************************************************/
+/* "A TIFF file begins with an 8-byte image file header that points to an
+ *  image file directory (IFD). An image file directory contains information
+ *  about the image, as well as pointers to the actual image data."
+ */
+
+struct tiff_header_s
+{
+  uint8_t order[2];  /* 0-1: Byte order:  "II"=little endian, "MM"=big endian */
+  uint8_t magic[2];  /* 2-3: 42 in appropriate byte order */
+  uint8_t offset[4]; /* 4-7: Offset to the first IFD */
+};
+
+/* "An Image File Directory (IFD) consists of a 2-byte count of the number
+ *  of directory entries (i.e., the number of fields), followed by a sequence
+ *  of 12-byte field entries, followed by a 4-byte offset of the next IFD (or
+ *  0 if none).
+ *
+ * Each 12-byte IFD entry has the following format:
+ */
+
+struct tiff_ifdentry_s
+{
+  uint8_t tag[2];    /* 0-1: The Tag that identifies the field */
+  uint8_t type[2];   /* 2-3 The field Type */
+  uint8_t count[4];  /* 4-7: The number of values of the indicated type */
+  uint8_t offset[4]; /* 8-11: The Value Offset (or the value itself) */
+};
+
+/************************************************************************************/
+/* Structures needed to interface with the TIFF file creation library )and also 
+ * structures used only internally by the TIFF file creation library).
+ */
+
+/* This structure describes on strip in tmpfile2 */
+
+struct tiff_strip_s
+{
+  uint32_t offset; /* Offset to the strip data in tmpfile1 */
+  uint32_t count;  /* Count of pixels in the strip */
+};
+
+/* These type is used to hold information about the TIFF file under
+ * construction
+ */
+
+struct tiff_info_s
+{
+  /* The first fields are used to pass information to the TIFF file creation
+   * logic via tiff_initialize().
+   *
+   * Filenames.  Three file names are required.  (1) path to the final
+   * output file and (2) two paths to temporary files.  One temporary file
+   * (tmpfile1) will be used to hold the strip image data and the other
+   * (tmpfile2) will be used to hold strip offset and count information.
+   */
+
+  FAR const char *outfile;  /* Full path to the final output file name */
+  FAR const char *tmpfile1; /* Full path to first temporary file */
+  FAR const char *tmpfile2; /* Full path to second temporary file */
+
+  /* The second set of fields are used only internally by the TIFF file
+   * creation logic.  These fields must be set to zero initially by the
+   * caller of tiff_initialize().  User logic should not depend upon any
+   * definitions in the following -- they are subject to change without
+   * notice.
+   */
+
+  nxgl_coord_t nstrips;     /* Number of strips in tmpfile3 */
+  int     outfd;            /* outfile file descriptor */
+  int     tmp1fd;           /* tmpfile1 file descriptor */
+  int     tmp2fd;           /* tmpfile2 file descriptor */
+  off_t   outsize;          /* Current size of outfile */
+  off_t   tmp1size;         /* Current size of tmpfile1 */
+  off_t   sooffset;         /* Offset to StripOffsets IFD entry in outfile */
+  off_t   sbcffset;         /* Offset to StripByteCounts IFD entry in outfile */
+};
+
+/************************************************************************************
+ * Public Function Prototypes
+ ************************************************************************************/
+
+#ifdef __cplusplus
+#define EXTERN extern "C"
+extern "C" {
+#else
+#define EXTERN extern
+#endif
+
+/************************************************************************************
+ * Name: tiff_initialize
+ *
+ * Description:
+ *   Setup to create a new TIFF file.  The overall steps to creating a TIFF file are
+ *   as follows:
+ *
+ *   1) Create an initialize a struct tiff_info_s instance
+ *   2) Call tiff_initialize() to setup the file creation
+ *   3) Call tiff_addstrip() repeatedly to add strips to the graphic image
+ *   4) Call tiff_finalize() to complete the file creation.
+ *
+ * Input Parameters:
+ *   info - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ************************************************************************************/
+
+EXTERN int tiff_initialize(FAR struct tiff_info_s *info);
+
+/************************************************************************************
+ * Name: tiff_addstrip
+ *
+ * Description:
+ *   Add an image data strip.
+ *
+ * Input Parameters:
+ *   info    - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *   buffer  - A buffer containing a single row of data.
+ *   npixels - The number of pixels (not necessarily bytes) in the row of data.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ************************************************************************************/
+
+EXTERN int tiff_addstrip(FAR struct tiff_info_s *info, FAR uint8_t *buffer,
+                         nxgl_coord_t npixels);
+
+/************************************************************************************
+ * Name: tiff_finalize
+ *
+ * Description:
+ *   Finalize the TIFF output file, completing the TIFF file creation steps.
+ *
+ * Input Parameters:
+ *   info - A pointer to the caller allocated parameter passing/TIFF state instance.
+ *
+ * Returned Value:
+ *   Zero (OK) on success.  A negated errno value on failure.
+ *
+ ************************************************************************************/
+
+EXTERN int tiff_finalize(FAR struct tiff_info_s *info);
+
+/************************************************************************************
+ * Name: tiff_put16 and tiff_put32
+ *
+ * Description:
+ *   Put 16 and 32 values in the correct byte order at the specified position.
+ *
+ * Input Parameters:
+ *   dest - The location to store the multi-byte data
+ *   value - The value to be stored
+ *
+ * Returned Value:
+ *   None
+ *
+ ************************************************************************************/
+
+EXTERN void tiff_put16(FAR uint8_t *dest, uint16_t value);
+EXTERN void tiff_put32(FAR uint8_t *dest, uint32_t value);
+
+#undef EXTERN
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __APPS_INCLUDE_TIFF_H */