libtiff-4.0.3.patch

From ad50bb071c12c36100129166e9459b55b58f9b9f Mon Sep 17 00:00:00 2001
From: Michael Pratt <michael@pratt.im>
Date: Sun, 4 Aug 2013 17:50:53 -0400
Subject: [PATCH] DNG: Add CFA pattern support

Add support for CFA pattern tags in TIFF images.  This allows creating
DNG images with a custom bayer pattern.
---
 libtiff/tif_dirinfo.c |    2 ++
 libtiff/tiff.h        |    3 +++
 2 files changed, 5 insertions(+)

diff --git a/libtiff/tif_dirinfo.c b/libtiff/tif_dirinfo.c
index d319931..3432925 100644
--- a/libtiff/tif_dirinfo.c
+++ b/libtiff/tif_dirinfo.c
@@ -128,6 +128,8 @@ tiffFields[] = {
 	{ TIFFTAG_PIXAR_FOVCOT, 1, 1, TIFF_FLOAT, 0, TIFF_SETGET_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "FieldOfViewCotangent", NULL },
 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOSCREEN, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToScreen", NULL },
 	{ TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA, 16, 16, TIFF_FLOAT, 0, TIFF_SETGET_C0_FLOAT, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "MatrixWorldToCamera", NULL },
+	{ TIFFTAG_CFAREPEATPATTERNDIM, 2, 2, TIFF_SHORT, 0, TIFF_SETGET_C0_UINT16, TIFF_SETGET_UNDEFINED,	FIELD_CUSTOM, 0,	0,	"CFARepeatPatternDim", NULL },
+	{ TIFFTAG_CFAPATTERN,	4, 4,	TIFF_BYTE, 0, TIFF_SETGET_C0_UINT8, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0,	0,	"CFAPattern" , NULL},
 	{ TIFFTAG_COPYRIGHT, -1, -1, TIFF_ASCII, 0, TIFF_SETGET_ASCII, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 1, 0, "Copyright", NULL },
 	/* end Pixar tags */
 	{ TIFFTAG_RICHTIFFIPTC, -3, -3, TIFF_LONG, 0, TIFF_SETGET_C32_UINT32, TIFF_SETGET_UNDEFINED, FIELD_CUSTOM, 0, 1, "RichTIFFIPTC", NULL },
diff --git a/libtiff/tiff.h b/libtiff/tiff.h
index 19b4e79..fedcdb8 100644
--- a/libtiff/tiff.h
+++ b/libtiff/tiff.h
@@ -201,6 +201,7 @@ typedef enum {
 #define	    PHOTOMETRIC_CIELAB		8	/* !1976 CIE L*a*b* */
 #define	    PHOTOMETRIC_ICCLAB		9	/* ICC L*a*b* [Adobe TIFF Technote 4] */
 #define	    PHOTOMETRIC_ITULAB		10	/* ITU L*a*b* */
+#define	    PHOTOMETRIC_CFA		32803	/* color filter array */
 #define     PHOTOMETRIC_LOGL		32844	/* CIE Log2(L) */
 #define     PHOTOMETRIC_LOGLUV		32845	/* CIE Log2(L) (u',v') */
 #define	TIFFTAG_THRESHHOLDING		263	/* +thresholding used on data */
@@ -402,6 +403,8 @@ typedef enum {
 #define TIFFTAG_PIXAR_MATRIX_WORLDTOCAMERA 33306
 /* tag 33405 is a private tag registered to Eastman Kodak */
 #define TIFFTAG_WRITERSERIALNUMBER      33405   /* device serial number */
+#define TIFFTAG_CFAREPEATPATTERNDIM	33421	/* dimensions of CFA pattern */
+#define TIFFTAG_CFAPATTERN		33422	/* color filter array pattern */
 /* tag 33432 is listed in the 6.0 spec w/ unknown ownership */
 #define	TIFFTAG_COPYRIGHT		33432	/* copyright string */
 /* IPTC TAG from RichTIFF specifications */
-- 
1.7.9.5