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oops tiff read with non-square tiles was broken

This commit is contained in:
John Cupitt 2012-01-13 14:15:15 +00:00
parent a5b3eb2040
commit f8ac4dc804
1 changed files with 7 additions and 22 deletions
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29
libvips/foreign/tiff2vips.c
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@ -215,23 +215,6 @@ typedef struct {
GMutex *tlock; /* Lock for TIFF*() calls */
} ReadTiff;
/* Reading a YCbCr image ... parameters we use for conversion.
*/
typedef struct {
/* Input and output.
*/
TIFF *tif; /* From here */
VipsImage *im; /* To here */
/* RGB <-> YCbCr conversion.
*/
float LumaRed, LumaGreen, LumaBlue;
/* RGB -> LAB conversion.
*/
void *table;
} YCbCrParams;
/* Handle TIFF errors here. Shared with vips2tiff.c. These can be called from
* more than one thread, but vips_error and vips_warn have mutexes in, so that's
* OK.
@ -559,8 +542,9 @@ static void
memcpy_line( VipsPel *q, VipsPel *p, int n, void *client )
{
VipsImage *im = (VipsImage *) client;
size_t len = n * VIPS_IMAGE_SIZEOF_PEL( im );
memcpy( q, p, n * VIPS_IMAGE_SIZEOF_PEL( im ) );
memcpy( q, p, len );
}
/* Read a 32-bit floating point greyscale TIFF image. What do we do about
@ -1113,9 +1097,11 @@ static void *
tiff_seq_start( VipsImage *out, void *a, void *b )
{
ReadTiff *rtiff = (ReadTiff *) a;
tsize_t size;
tdata_t *buf;
if( !(buf = vips_malloc( NULL, TIFFTileSize( rtiff->tiff ) )) )
size = TIFFTileSize( rtiff->tiff );
if( !(buf = vips_malloc( NULL, size )) )
return( NULL );
return( (void *) buf );
@ -1204,8 +1190,7 @@ tiff_fill_region( VipsRegion *out, void *seq, void *a, void *b, gboolean *stop )
/* Read that tile.
*/
g_mutex_lock( rtiff->tlock );
if( TIFFReadTile( rtiff->tiff, buf,
x, y, 0, 0 ) < 0 ) {
if( TIFFReadTile( rtiff->tiff, buf, x, y, 0, 0 ) < 0 ) {
g_mutex_unlock( rtiff->tlock );
return( -1 );
}
@ -1216,7 +1201,7 @@ tiff_fill_region( VipsRegion *out, void *seq, void *a, void *b, gboolean *stop )
tile.left = x;
tile.top = y;
tile.width = rtiff->twidth;
tile.height = rtiff->twidth;
tile.height = rtiff->theight;
/* The section that hits the region we are building.
*/