1 #include "filter.h"
2
3 void SetDistance8( Image* im, Image* pano, PTRect *theRect, int showprogress );
4 void SetDistanceImage8 ( Image* im, Image* pano, PTRect *theRect, int showprogress, int feather );
5 int merge8 ( Image *dst, Image *src, int feather, int showprogress, int seam );
6 void mergeAlpha8 ( Image *im, unsigned char *alpha, int feather, PTRect *theRect );
7
8 void SetDistance16( Image* im, Image* pano, PTRect *theRect, int showprogress );
9 void SetDistanceImage16 ( Image* im, Image* pano, PTRect *theRect, int showprogress, int feather );
10 int merge16 ( Image *dst, Image *src, int feather, int showprogress, int seam );
11 void mergeAlpha16 ( Image *im, unsigned char *alpha, int feather, PTRect *theRect );
12
13
14
15 #define PIXEL_TYPE unsigned char
16 #define PIXEL_MAX UCHAR_MAX
17 #define DBL_TO_PIX(a,b) DBL_TO_UC(a,b)
18 #define _SetDistance SetDistance8
19 #define _SetDistanceImage SetDistanceImage8
20 #define _merge merge8
21 #define _mergeAlpha mergeAlpha8
22
23 #include "seamer_.c"
24
25 #undef PIXEL_TYPE
26 #undef PIXEL_MAX
27 #undef DBL_TO_PIX
28 #undef _SetDistance
29 #undef _SetDistanceImage
30 #undef _merge
31 #undef _mergeAlpha
32
33 #define PIXEL_TYPE unsigned short
34 #define PIXEL_MAX USHRT_MAX
35 #define DBL_TO_PIX(a,b) DBL_TO_US(a,b)
36 #define _SetDistance SetDistance16
37 #define _SetDistanceImage SetDistanceImage16
38 #define _merge merge16
39 #define _mergeAlpha mergeAlpha16
40
41
42 #include "seamer_.c"
43
44
merge(Image * dst,Image * src,int feather,int showprogress,int seam)45 int merge ( Image *dst, Image *src, int feather, int showprogress, int seam )
46 {
47 if( dst->bitsPerPixel == 48 || dst->bitsPerPixel == 64 )
48 return merge16 ( dst, src, feather, showprogress, seam );
49 else
50 return merge8 ( dst, src, feather, showprogress, seam );
51 }
52
mergeAlpha(Image * im,unsigned char * alpha,int feather,PTRect * theRect)53 void mergeAlpha ( Image *im, unsigned char *alpha, int feather, PTRect *theRect )
54 {
55 if( im->bitsPerPixel == 48 || im->bitsPerPixel == 64 )
56 mergeAlpha16 ( im, alpha, feather, theRect );
57 else
58 mergeAlpha8 ( im, alpha, feather, theRect );
59 }
60
61
62
GetBlendfactor(int d,int s,int feather)63 double GetBlendfactor( int d, int s, int feather )
64 {
65 double sfactor;
66 sfactor = (-1.0 / (2.0*feather)) * d + 0.5 * ( (double)s / (double)feather + 1.0 );
67 // randomize
68 return sfactor * ( 1.0 - BLEND_RANDOMIZE * rand() / (double)RAND_MAX );
69 }
70
71
72
73