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(hopefully) fixed the window_offset compile errors

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This commit is contained in:
Nicolas Robidoux 2010-05-16 15:42:57 +00:00
parent 504221925f
commit b95939f0e1
3 changed files with 632 additions and 269 deletions
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13
libvips/include/vips/interpolate.h
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@ -60,7 +60,7 @@ typedef struct _VipsInterpolate {
* function for it to speed up dispatch. Write to the memory at "out", * function for it to speed up dispatch. Write to the memory at "out",
* interpolate the value at position (x, y) in "in". * interpolate the value at position (x, y) in "in".
*/ */
typedef void (*VipsInterpolateMethod)( VipsInterpolate *, typedef void (*VipsInterpolateMethod)( VipsInterpolate *,
PEL *out, REGION *in, double x, double y ); PEL *out, REGION *in, double x, double y );
typedef struct _VipsInterpolateClass { typedef struct _VipsInterpolateClass {
@ -79,14 +79,15 @@ typedef struct _VipsInterpolateClass {
*/ */
int window_size; int window_size;
/* Stencils are offset by this much. Default to window_size / 2 /* Stencils are offset by this much. Default to window_size / 2
* (centering) if undefined. * (centering) if undefined.
*/ */
int (*get_window_offset)( VipsInterpolate * ); int (*get_window_offset)( VipsInterpolate * );
int window_offset;
} VipsInterpolateClass; } VipsInterpolateClass;
GType vips_interpolate_get_type( void ); GType vips_interpolate_get_type( void );
void vips_interpolate( VipsInterpolate *interpolate, void vips_interpolate( VipsInterpolate *interpolate,
PEL *out, REGION *in, double x, double y ); PEL *out, REGION *in, double x, double y );
VipsInterpolateMethod vips_interpolate_get_method( VipsInterpolate * ); VipsInterpolateMethod vips_interpolate_get_method( VipsInterpolate * );
int vips_interpolate_get_window_size( VipsInterpolate *interpolate ); int vips_interpolate_get_window_size( VipsInterpolate *interpolate );
@ -100,7 +101,7 @@ int vips_interpolate_get_window_offset( VipsInterpolate *interpolate );
/* How many bits of precision we keep for interpolation, ie. where the decimal /* How many bits of precision we keep for interpolation, ie. where the decimal
* is in the fixed-point tables. For 16-bit pixels, we need 16 bits for the * is in the fixed-point tables. For 16-bit pixels, we need 16 bits for the
* data and 4 bits to add 16 values together. That leaves 12 bits for the * data and 4 bits to add 16 values together. That leaves 12 bits for the
* fractional part. * fractional part.
*/ */
#define VIPS_INTERPOLATE_SHIFT (12) #define VIPS_INTERPOLATE_SHIFT (12)
@ -112,7 +113,7 @@ VipsInterpolate *vips_interpolate_nearest_static( void );
VipsInterpolate *vips_interpolate_bilinear_static( void ); VipsInterpolate *vips_interpolate_bilinear_static( void );
VipsInterpolate *vips_interpolate_bicubic_static( void ); VipsInterpolate *vips_interpolate_bicubic_static( void );
/* Convenience: make an interpolator from a nickname. g_object_unref() when /* Convenience: make an interpolator from a nickname. g_object_unref() when
* you're done with it. * you're done with it.
*/ */
VipsInterpolate *vips_interpolate_new( const char *nickname ); VipsInterpolate *vips_interpolate_new( const char *nickname );

15
libvips/resample/interpolate.c
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@ -107,9 +107,15 @@ vips_interpolate_real_get_window_size( VipsInterpolate *interpolate )
static int static int
vips_interpolate_real_get_window_offset( VipsInterpolate *interpolate ) vips_interpolate_real_get_window_offset( VipsInterpolate *interpolate )
{ {
/* Default to half window size. VipsInterpolateClass *class = VIPS_INTERPOLATE_GET_CLASS( interpolate );
*/
return( vips_interpolate_get_window_size( interpolate ) / 2 ); g_assert( class->window_offset != -1 );
return( class->window_offset );
/* /\* Default to half window size. */
/* *\/ */
/* return( vips_interpolate_get_window_size( interpolate ) / 2 ); */
} }
static void static void
@ -126,6 +132,7 @@ vips_interpolate_class_init( VipsInterpolateClass *class )
class->get_window_size = vips_interpolate_real_get_window_size; class->get_window_size = vips_interpolate_real_get_window_size;
class->get_window_offset = vips_interpolate_real_get_window_offset; class->get_window_offset = vips_interpolate_real_get_window_offset;
class->window_size = -1; class->window_size = -1;
class->window_offset = -1;
} }
static void static void
@ -269,7 +276,7 @@ vips_interpolate_nearest_new( void )
/* Convenience: return a static nearest you don't need to free. /* Convenience: return a static nearest you don't need to free.
*/ */
VipsInterpolate * VipsInterpolate *
<vips_interpolate_nearest_static( void ) vips_interpolate_nearest_static( void )
{ {
static VipsInterpolate *interpolate = NULL; static VipsInterpolate *interpolate = NULL;

873
libvips/resample/nohalo2.cpp
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