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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-09-01 13:56:46 +0200
commit22f703cab05b7cd368f4de9e03991b7664dc5022 (patch)
tree6f4d50beaa42328e24b1c6b56b6ec059e4ef21a5 /tiff/contrib/pds/tif_imageiter.h
Initial import of argyll version 1.5.1-8debian/1.5.1-8
Diffstat (limited to 'tiff/contrib/pds/tif_imageiter.h')
-rw-r--r--tiff/contrib/pds/tif_imageiter.h64
1 files changed, 64 insertions, 0 deletions
diff --git a/tiff/contrib/pds/tif_imageiter.h b/tiff/contrib/pds/tif_imageiter.h
new file mode 100644
index 0000000..e7dbe46
--- /dev/null
+++ b/tiff/contrib/pds/tif_imageiter.h
@@ -0,0 +1,64 @@
+typedef struct _TIFFImageIter TIFFImageIter;
+
+/* The callback function is called for each "block" of image pixel data after
+ it has been read from the file and decoded. This image pixel data is in the
+ buffer pp, and this data represents the image pixels from (x,y) to
+ (x+w,y+h). It is stored in pixel format, so each pixel contains
+ img->samplesperpixel consecutive samples each containing img->bitspersample
+ bits of data. The array pp is ordered in h consecutive rows of w+fromskew
+ pixels each. */
+typedef void (*ImageIterTileContigRoutine)
+ (TIFFImageIter*, void *, uint32, uint32, uint32, uint32, int32,
+ unsigned char*);
+#define DECLAREContigCallbackFunc(name) \
+static void name(\
+ TIFFImageIter* img, \
+ void* user_data, \
+ uint32 x, uint32 y, \
+ uint32 w, uint32 h, \
+ int32 fromskew, \
+ u_char* pp \
+)
+
+typedef void (*ImageIterTileSeparateRoutine)
+ (TIFFImageIter*, void *, uint32, uint32, uint32, uint32, int32,
+ unsigned char*, unsigned char*, unsigned char*, unsigned char*);
+#define DECLARESepCallbackFunc(name) \
+static void name(\
+ TIFFImageIter* img, \
+ void* user_data, \
+ uint32 x, uint32 y, \
+ uint32 w, uint32 h,\
+ int32 fromskew, \
+ u_char* r, u_char* g, u_char* b, u_char* a\
+)
+
+struct _TIFFImageIter {
+ TIFF* tif; /* image handle */
+ int stoponerr; /* stop on read error */
+ int isContig; /* data is packed/separate */
+ int alpha; /* type of alpha data present */
+ uint32 width; /* image width */
+ uint32 height; /* image height */
+ uint16 bitspersample; /* image bits/sample */
+ uint16 samplesperpixel; /* image samples/pixel */
+ uint16 orientation; /* image orientation */
+ uint16 photometric; /* image photometric interp */
+ uint16* redcmap; /* colormap pallete */
+ uint16* greencmap;
+ uint16* bluecmap;
+ /* get image data routine */
+ int (*get)(TIFFImageIter*, void *udata, uint32, uint32);
+ union {
+ void (*any)(TIFFImageIter*);
+ ImageIterTileContigRoutine contig;
+ ImageIterTileSeparateRoutine separate;
+ } callback; /* fn to exec for each block */
+};
+/*
+ * Local Variables:
+ * mode: c
+ * c-basic-offset: 8
+ * fill-column: 78
+ * End:
+ */