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/* Panorama_Tools - Generate, Edit and Convert Panoramic Images
Copyright (C) 1998,1999 - Helmut Dersch der@fh-furtwangen.de
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/*------------------------------------------------------------*/
#ifndef FILTER_H
#define FILTER_H
#include <math.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>
#include <ctype.h>
#include <limits.h>
#include "panorama.h"
//#include "tiffio.h"
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
//---------------------- Types ---------------------------------------------
#define UCHAR unsigned char
#define USHORT unsigned short
#define ULONG unsigned long
enum{
_UCHAR,
_USHORT,
_ULONG
};
//---------------------- Some useful math defines --------------------------
#ifndef PI
#define PI 3.14159265358979323846
#endif
// Normalize an angle to +/-180degrees
#define NORM_ANGLE( x ) while( x >180.0 ) x -= 360.0; while( x < -180.0 ) x += 360.0;
// Convert degree to radian
#define DEG_TO_RAD( x ) ( (x) * 2.0 * PI / 360.0 )
// and reverse
#define RAD_TO_DEG( x ) ( (x) * 360.0 / ( 2.0 * PI ) )
// Convert double x to unsigned char/short c
#define DBL_TO_UC( c, x ) if(x>255.0) c=255U; \
else if(x<0.0) c=0; \
else c=(unsigned char)floor(x+0.5);
#define DBL_TO_US( c, x ) if(x>65535.0) c=65535U; \
else if(x<0.0) c=0; \
else c=(unsigned short)floor(x+0.5);
#define MAX_FISHEYE_FOV 160.0
extern int JavaUI; // Flag to indicate use of java dialogs
void JPrintError( char* text );
extern int fastTransformStep; // defined in resample.c
#define FAST_TRANSFORM_STEP_NORMAL 40
#define FAST_TRANSFORM_STEP_MORPH 6
// FS-
struct PTPoint
{
double x;
double y;
};
typedef struct PTPoint PTPoint;
#define CopyPTPoint( to, from ) memcpy( &to, &from, sizeof( PTPoint ))
#define SamePTPoint( p, s ) ((p).x == (s).x && (p).y == (s).y)
struct PTLine
{
PTPoint v[2];
};
typedef struct PTLine PTLine;
struct PTTriangle
{
PTPoint v[3];
};
typedef struct PTTriangle PTTriangle;
// Maximum number of controlpoints in a pair of images, which can be read
// via Barcodes
#define NUMPTS 21
// Randomization of feather in stitching tools
#define BLEND_RANDOMIZE 0.1
// Randomization of luminance adjustment in correct filter
#define LUMINANCE_RANDOMIZE 0.007
//----------------------- Structures -------------------------------------------
struct remap_Prefs{ // Preferences Structure for remap
long magic; // File validity check, must be 30
int from; // Image format source image
int to; // Image format destination image
double hfov; // horizontal field of view /in degrees
double vfov; // vertical field of view (usually ignored)
} ;
typedef struct remap_Prefs rPrefs;
struct perspective_Prefs{ // Preferences structure for tool perspective
long magic; // File validity check, must be 40
int format; // rectilinear or fisheye?
double hfov; // Horizontal field of view (in degree)
double x_alpha; // New viewing direction (x coordinate or angle)
double y_beta; // New viewing direction (y coordinate or angle)
double gamma; // Angle of rotation
int unit_is_cart; // true, if viewing direction is specified in coordinates
int width; // new width
int height; // new height
} ;
typedef struct perspective_Prefs pPrefs;
struct optVars{ // Indicate to optimizer which variables to optimize
int hfov; // optimize hfov? 0-no 1-yes , etc
int yaw;
int pitch;
int roll;
int a;
int b;
int c;
int d;
int e;
int shear_x;
int shear_y;
};
typedef struct optVars optVars;
enum{ // Enumerates for stBuf.seam
_middle, // seam is placed in the middle of the overlap
_dest // seam is places at the edge of the image to be inserted
};
enum{ // Enumerates for colcorrect
_colCorrectImage = 1,
_colCorrectBuffer = 2,
_colCorrectBoth = 3,
};
struct stitchBuffer{ // Used describe how images should be merged
char srcName[256]; // Buffer should be merged to image; 0 if not.
char destName[256]; // Converted image (ie pano) should be saved to buffer; 0 if not
int feather; // Width of feather
int colcorrect; // Should the images be color corrected?
int seam; // Where to put the seam (see above)
};
typedef struct stitchBuffer stBuf;
struct panControls{ // Structure for realtime Panoeditor
double panAngle; // The amount by which yaw/pitch are changed per click
double zoomFactor; // The percentage for zoom in/out
};
typedef struct panControls panControls;
enum{ // Enumerates for aPrefs.mode
_readControlPoints,
_runOptimizer,
_insert,
_extract,
_useScript = 8, // else use options
};
struct adjust_Prefs{ // Preferences structure for tool adjust
long magic; // File validity check, must be 50
long mode; // What to do: create Panorama etc?
Image im; // Image to be inserted/extracted
Image pano; // Panorama to be created/ used for extraction
stBuf sBuf;
fullPath scriptFile; // On Mac: Cast to FSSpec; else: full path to scriptFile
int nt; // morphing triangles
PTTriangle *ts; // Source triangles
PTTriangle *td; // Destination triangles
int interpolator;
int fastStep;
double gamma;
};
typedef struct adjust_Prefs aPrefs;
union panoPrefs{
cPrefs cP;
pPrefs pP;
rPrefs rP;
aPrefs aP;
panControls pc;
};
typedef union panoPrefs panoPrefs;
struct size_Prefs{ // Preferences structure for 'pref' dialog
long magic; // File validity check; must be 70
int displayPart; // Display cropped/framed image ?
int saveFile; // Save to tempfile? 0-no, 1-yes
fullPath sFile; // Full path to file (short name)
int launchApp; // Open sFile ?
fullPath lApp; // the Application to launch
int interpolator; // Which interpolator to use
int fastStep;
double gamma; // Gamma correction value
int noAlpha; // If new file is created: Don't save mask (Photoshop LE)
int optCreatePano; // Optimizer creates panos? 0 no/ 1 yes
} ;
typedef struct size_Prefs sPrefs;
#if 0
struct controlPoint{ // Control Points to adjust images
int num[2]; // Indices of Images
int x[2]; // x - Coordinates
int y[2]; // y - Coordinates
int type; // What to optimize: 0-r, 1-x, 2-y
} ;
#endif
struct controlPoint{ // Control Points to adjust images
int num[2]; // Indices of Images
double x[2]; // x - Coordinates
double y[2]; // y - Coordinates
int type; // What to optimize: 0-r, 1-x, 2-y
} ;
typedef struct controlPoint controlPoint;
struct CoordInfo{ // Real World 3D coordinates
int num; // auxilliary index
double x[3];
int set[3];
};
typedef struct CoordInfo CoordInfo;
// Some useful macros for vectors
#define SCALAR_PRODUCT( v1, v2 ) ( (v1)->x[0]*(v2)->x[0] + (v1)->x[1]*(v2)->x[1] + (v1)->x[2]*(v2)->x[2] )
#define ABS_SQUARED( v ) SCALAR_PRODUCT( v, v )
#define ABS_VECTOR( v ) sqrt( ABS_SQUARED( v ) )
#define CROSS_PRODUCT( v1, v2, r ) { (r)->x[0] = (v1)->x[1] * (v2)->x[2] - (v1)->x[2]*(v2)->x[1]; \
(r)->x[1] = (v1)->x[2] * (v2)->x[0] - (v1)->x[0]*(v2)->x[2]; \
(r)->x[2] = (v1)->x[0] * (v2)->x[1] - (v1)->x[1]*(v2)->x[0]; }
#define DIFF_VECTOR( v1, v2, r ) { (r)->x[0] = (v1)->x[0] - (v2)->x[0]; \
(r)->x[1] = (v1)->x[1] - (v2)->x[1]; \
(r)->x[2] = (v1)->x[2] - (v2)->x[2]; }
#define DIST_VECTOR( v1, v2 ) sqrt( ((v1)->x[0] - (v2)->x[0]) * ((v1)->x[0] - (v2)->x[0]) + \
((v1)->x[1] - (v2)->x[1]) * ((v1)->x[1] - (v2)->x[1]) + \
((v1)->x[2] - (v2)->x[2]) * ((v1)->x[2] - (v2)->x[2]) )
struct transformCoord{ //
int nump; // Number of p-coordinates
CoordInfo *p; // Coordinates "as is"
int numr; // Number of r-coordinates
CoordInfo *r; // Requested values for coordinates
} ;
typedef struct transformCoord transformCoord;
struct tMatrix{
double alpha;
double beta;
double gamma;
double x_shift[3];
double scale;
};
typedef struct tMatrix tMatrix;
struct MakeParams{ // Actual parameters used by Xform functions for pano-creation
double scale[2]; // scaling factors for resize;
double shear[2]; // shear values
double rot[2]; // horizontal rotation params
void *perspect[2]; // Parameters for perspective control functions
double rad[6]; // coefficients for polynomial correction (0,...3) and source width/2 (4) and correction radius (5)
double mt[3][3]; // Matrix
double distance;
double horizontal;
double vertical;
};
struct LMStruct{ // Parameters used by the Levenberg Marquardt-Solver
int m;
int n;
double *x;
double *fvec;
double ftol;
double xtol;
double gtol;
int maxfev;
double epsfcn;
double *diag;
int mode;
double factor;
int nprint;
int info;
int nfev;
double *fjac;
int ldfjac;
int *ipvt;
double *qtf;
double *wa1;
double *wa2;
double *wa3;
double *wa4;
};
// function to minimize in Levenberg-Marquardt solver
typedef int (*lmfunc)();
struct triangle
{
int vert[3]; // Three vertices from list
int nIm; // number of image for texture mapping
};
typedef struct triangle triangle;
struct AlignInfo{ // Global data structure used by alignment optimization
Image *im; // Array of Pointers to Image Structs
optVars *opt; // Mark variables to optimize
int numIm; // Number of images
controlPoint *cpt; // List of Control points
triangle *t; // List of triangular faces
int nt; // Number of triangular faces
int numPts; // Number of Control Points
int numParam; // Number of parameters to optimize
Image pano; // Panoramic Image decription
stBuf st; // Info on how to stitch the panorama
void *data;
lmfunc fcn;
sPrefs sP;
CoordInfo *cim; // Real World coordinates
};
typedef struct AlignInfo AlignInfo;
struct OptInfo{
int numVars; // Number of variables to fit
int numData; // Number of data to fit to
int (*SetVarsToX)(double *x); // Translate variables to x-values
int (*SetXToVars)(double *x); // and reverse
lmfunc fcn; // Levenberg Marquardt function measuring quality
char message[256]; // info returned by LM-optimizer
};
typedef struct OptInfo OptInfo;
struct VRPanoOptions{
int width;
int height;
double pan;
double tilt;
double fov;
int codec;
int cquality;
int progressive;
};
typedef struct VRPanoOptions VRPanoOptions;
struct MultiLayerImage{
int numLayers;
Image *Layer;
PTRect selection;
};
typedef struct MultiLayerImage MultiLayerImage;
// Transformation function type (we have only one...)
typedef void (*trfn)( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
// Function descriptor to be executed by exec_function
struct fDesc {
trfn func; // The function to be called
void *param; // The parameters to be used
};
typedef struct fDesc fDesc;
#define SetDesc(fD,f,p) fD.func = f; fD.param = p
// Panorama tool type
typedef void (*fnPtr)(TrformStr *TrPtr);
// Filter function type
typedef unsigned char (*flfn)( unsigned char srcPixel, int xc, int yc, void *params );
typedef unsigned short (*flfn16)( unsigned short srcPixel, int xc, int yc, void *params );
// Interpolating functions for resampler
typedef void (*intFunc)( unsigned char *dst, unsigned char **rgb,
register double Dx,
register double Dy,
int color, int SamplesPerPixel);
// Gamma Correction
struct PTGamma{
double *DeGamma;
unsigned short *Gamma;
int ChannelSize;
int ChannelStretch;
int GammaSize;
};
typedef struct PTGamma PTGamma;
extern PTGamma glu;
// Some macros to find out more about images
#define GetBitsPerChannel( im, x ) switch( (im)->bitsPerPixel ) \
{ \
case 24: x = 8; break; \
case 32: x = 8; break; \
case 48: x = 16; break; \
case 64: x = 16; break; \
default: x = 8; break; \
}
#define GetChannels( im, x ) switch( (im)->bitsPerPixel ) \
{ \
case 24: x = 3; break; \
case 32: x = 4; break; \
case 48: x = 3; break; \
case 64: x = 4; break; \
default: x = 3; break; \
}
//---------------------------------- Functions identical in all platforms ------------------------
void dispatch (TrformStr *TrPtr, sPrefs *s); // Entry into platform independent code
void DoTransForm (TrformStr *TrPtr, panoPrefs *p );
void setLibToResFile ( void ); // MacOS: Get resources from shared lib
void unsetLibToResFile( void ); // MacOS: Don't get resources from shared lib
enum{ // Enumerates used by Progress and infoDlg
_initProgress, // display message "argument"
_setProgress, // display progress (argument is percentage converted to string)
_disposeProgress, // dispose progress indicator
_idleProgress // do nothing; on Mac: call waitnextevent;
};
int Progress( int command, char* argument ); // Progress Reporting
int infoDlg ( int command, char* argument ); // Display info: same argumenmts as progress
void PrintError( char* fmt, ...); // Error Reporting
int ccommand( char ***argvPtr); // Shell for standalone programs
// Panorama Tool functions
void perspective (TrformStr *TrPtr, pPrefs *p);
void correct (TrformStr *TrPtr, cPrefs *c);
void remap (TrformStr *TrPtr, rPrefs *r);
void adjust (TrformStr *TrPtr, aPrefs *a);
void pan (TrformStr *TrPtr, panControls *pc);
// Set Struct defaults
void SetPrefDefaults (panoPrefs *prPtr, int selector);
void SetCorrectDefaults ( cPrefs *p );
void SetAdjustDefaults ( aPrefs *p );
void SetRemapDefaults ( rPrefs *p );
void SetPerspectiveDefaults ( pPrefs *p );
void SetImageDefaults ( Image *im);
void SetOptDefaults ( optVars *opt );
void SetPanDefaults ( panControls *pc);
void SetSizeDefaults ( sPrefs *pref);
void SetStitchDefaults ( stBuf *sbuf);
void SetVRPanoOptionsDefaults( VRPanoOptions *v);
void SettMatrixDefaults ( tMatrix *t );
void SetCoordDefaults ( CoordInfo *c, int num);
int SetAlignParams ( double *x );
int SetLMParams ( double *x );
void SetGlobalPtr ( AlignInfo *p );
// Dialogs
int SetPrefs ( panoPrefs *p );
int SetPanPrefs ( panControls *p );
int SetCorrectPrefs ( cPrefs *p );
int SetRadialOptions ( cPrefs *p );
int SetHorizontalOptions ( cPrefs *p );
int SetVerticalOptions ( cPrefs *p );
int SetShearOptions ( cPrefs *p );
int SetScaleOptions ( cPrefs *p );
int SetLumOptions ( cPrefs *p );
int setSizePrefs ( sPrefs *p, int can_resize );
int SetRemapPrefs ( rPrefs *p );
int SetPerspectivePrefs ( pPrefs *p );
int SetAdjustPrefs ( aPrefs *p );
int SetInterpolator ( sPrefs *p );
int SetCreateOptions ( aPrefs *p );
int SetCutOptions ( cPrefs *p );
int SetFourierOptions ( cPrefs *p );
// File I/O
int readPrefs (char* p, int selector ); // Preferences, same selector as dispatch
void writePrefs (char* p, int selector ); // Preferences, same selector as dispatch
int LoadBufImage ( Image *image, char *fname, int mode);
int SaveBufImage ( Image *image, char *fname );
int writeTIFF ( Image *im, fullPath* fname); // On Mac: fname is FSSpec*
void SaveOptions ( struct correct_Prefs * thePrefs );
int LoadOptions ( struct correct_Prefs * thePrefs );
void FindScript ( struct adjust_Prefs *thePrefs );
char* LoadScript ( fullPath* scriptFile );
int WriteScript ( char* res, fullPath* scriptFile, int launch );
int writePSD ( Image *im, fullPath* fname); // On Mac: fname is FSSpec*
int readPSD ( Image *im, fullPath* fname, int mode);
int FindFile ( fullPath *fname );
int SaveFileAs ( fullPath *fname, char *prompt, char *name );
void ConvFileName ( fullPath *fname,char *string);
int writePSDwithLayer ( Image *im, fullPath *fname);
int addLayerToFile ( Image *im, fullPath* sfile, fullPath* dfile, stBuf *sB);
void showScript ( fullPath* scriptFile );
void MakeTempName ( fullPath *fspec, char *fname );
void makePathForResult ( fullPath *path );
int makePathToHost ( fullPath *path );
void open_selection ( fullPath *path );
int readPSDMultiLayerImage( MultiLayerImage *mim, fullPath* sfile);
int GetFullPath (fullPath *path, char *filename); // Somewhat confusing, for compatibility easons
int StringtoFullPath (fullPath *path, char *filename);
int IsTextFile ( char* fname );
int readPositions ( char* script, transformCoord *tP );
int readImage ( Image *im, fullPath *sfile );
int readJPEG ( Image *im, fullPath *sfile );
int readTIFF ( Image *im, fullPath *sfile );
int writeImage ( Image *im, fullPath *sfile );
int writeJPEG ( Image *im, fullPath *sfile, int quality, int progressive );
int makeTempPath ( fullPath *path );
int writePNG ( Image *im, fullPath *sfile );
int readPNG ( Image *im, fullPath *sfile );
int LaunchAndSendScript(char* application, char* script);
aPrefs* readAdjustLine( fullPath *theScript );
//int readtif(Image *im, TIFF* tif);
#define FullPathtoString( path, string ) GetFullPath( path, string)
int ReadMorphPoints( char *script, AlignInfo *gl, int nIm );
// Image manipulation
void addAlpha ( Image *im );
void transForm ( TrformStr *TrPtr, fDesc *fD, int color);
void filter ( TrformStr *TrPtr, flfn func, flfn16 func16, void* params, int color);
void CopyImageData ( Image *dest, Image *src );
void laplace ( Image *im );
void blurr ( Image *im );
void MakePano ( TrformStr *TrPtr, aPrefs *aP);
void ExtractStill ( TrformStr *TrPtr , aPrefs *p );
int HaveEqualSize ( Image *im1, Image *im2 );
int merge ( Image *dst, Image *src, int feather, int showprogress, int seam );
void mergeAlpha ( Image *im, unsigned char *alpha, int feather, PTRect *theRect );
void SetEquColor ( cPrefs *p );
void CopyPosition ( Image *to, Image *from );
int isColorSpecific ( cPrefs *p );
void ThreeToFourBPP ( Image *im );
void FourToThreeBPP ( Image *im );
int SetUpGamma ( double pgamma, int psize);
int cutTheFrame ( Image *dest, Image *src, int width, int height, int showprogress );
int PositionCmp ( Image *im1, Image *im2 );
int MorphImage ( Image *src, Image *dst, PTTriangle *ts, PTTriangle *td, int nt );
int MorphImageFile ( fullPath *sfile, fullPath *dfile, AlignInfo *g,int nIm );
int blendImages ( fullPath *f0, fullPath *f1, fullPath *result, double s );
int InterpolateImage ( Image *src, Image *dst, PTTriangle *ts, PTTriangle *td, int nt );
int InterpolateTrianglesPerspective( AlignInfo *g, int nIm, double s, PTTriangle** t );
int InterpolateImageFile( fullPath *sfile, fullPath *dfile, AlignInfo *g,int nIm );
void OneToTwoByte ( Image *im );
void TwoToOneByte ( Image *im );
void SetMakeParams ( struct fDesc *stack, struct MakeParams *mp, Image *im , Image *pn, int color );
void SetInvMakeParams ( struct fDesc *stack, struct MakeParams *mp, Image *im , Image *pn, int color );
void GetControlPointCoordinates(int i, double *x, double *y, AlignInfo *gl );
void ARGBtoRGBA(UCHAR* buf, int width, int bitsPerPixel);
void RGBAtoARGB(UCHAR* buf, int width, int bitsPerPixel);
int CropImage(Image *im, PTRect *r);
void DoColorCorrection( Image *im1, Image *im2, int mode );
// Script Reading/Parsing/Writing
int ParseScript ( char* script, AlignInfo *gl );
void WriteResults ( char* script, fullPath *sfile, AlignInfo *g, double ds( int i) , int launch);
int readAdjust ( aPrefs *p, fullPath* sfile, int insert, sPrefs *sP );
void readControlPoints (char* script, controlPoint *c );
int getVRPanoOptions ( VRPanoOptions *v, char *line );
void nextWord ( register char* word, char** ch );
void nextLine ( register char* line, char** ch );
int numLines ( char* script, char first );
// Memory
void DisposeAlignInfo ( AlignInfo *g );
void** mymalloc ( long numBytes ); // Memory allocation, use Handles
void myfree ( void** Hdl ); // free Memory, use Handles
int SetDestImage ( TrformStr *TrPtr, int width, int height) ;
void DisposeMultiLayerImage( MultiLayerImage *mim );
// Math
void RunLMOptimizer ( OptInfo *g);
void RunBROptimizer ( OptInfo *g, double minStepWidth);
void RunOverlapOptimizer ( AlignInfo *g);
void SetMatrix ( double a, double b, double c , double m[3][3], int cl );
void matrix_mult ( double m[3][3], double vector[3] );
void matrix_inv_mult ( double m[3][3], double vector[3] );
double smallestRoot ( double *p );
void SetCorrectionRadius ( cPrefs *cP );
int lmdif ();
void fourier ( TrformStr *TrPtr, cPrefs *cP );
unsigned short gamma_correct( double pix );
int EqualCPrefs( cPrefs *c1, cPrefs *c2 );
double OverlapRMS ( MultiLayerImage *mim );
double distSquared ( int num );
int fcnPano();
int EvaluateControlPointError ( int num, double *errptr, double errComponent[2]);
void doCoordinateTransform( CoordInfo *c, tMatrix *t );
void findOptimumtMatrix( transformCoord *tP, tMatrix *tM, lmfunc f);
int SolveLinearEquation2( double a[2][2], double b[2], double x[2] );
void SortControlPoints( AlignInfo *g , int nIm);
void noisefilter ( Image *dest, Image *src );
void fwiener ( TrformStr *TrPtr, Image *nf, Image *psf, double gamma, double frame );
// Triangulation
int PointInTriangle( double x, double y, PTTriangle *T, double c[2] );
int SetSourceTriangles( AlignInfo *g, int nIm, PTTriangle** t );
int SetDestTriangles( AlignInfo *g, int nIm, PTTriangle** t );
int InterpolateTriangles( AlignInfo *g, int nIm, double s, PTTriangle** t );
int DelaunayIteration( AlignInfo *g, int nIm );
int PointInCircumcircle( double x, double y, PTTriangle *tC );
int TriangulatePoints( AlignInfo *g, int nIm );
int AddTriangle( triangle *t, AlignInfo *g );
int RemoveTriangle( int nt, AlignInfo *g );
void OrderVerticesInTriangle( int nt, AlignInfo *g );
void SetTriangleCoordinates( triangle *t, PTTriangle *tC, AlignInfo *g );
int TrianglesOverlap( PTTriangle *t0, PTTriangle *t1 );
int LinesIntersect( PTLine *s0, PTLine *s1) ;
double PTDistance( PTPoint *s0, PTPoint *s1 );
int PTPointInRectangle( PTPoint *p, PTLine *r );
int PTElementOf( double x, double a, double b );
int PTNormal( double *a, double *b, double *c, PTLine *s );
int PTGetLineCrossing( PTLine *s0, PTLine *s1, PTPoint *ps );
int ReduceTriangles( AlignInfo *g, int nIm );
double PTAreaOfTriangle( PTTriangle *t );
int normalToTriangle( CoordInfo *n, CoordInfo *v, triangle *t );
double GetBlendfactor( int d, int s, int feather );
void execute_stack ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void resize ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void shear ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void horiz ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void vert ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void radial ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void persp_sphere ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void persp_rect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void rect_pano ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void pano_rect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void pano_erect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void erect_pano ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_cp_erect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_tp_erect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void erect_sphere_cp ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void rect_sphere_tp ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_tp_rect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_cp_pano ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void rect_erect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void erect_rect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void erect_sphere_tp ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void mirror_erect ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void mirror_sphere_cp ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void mirror_pano ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_cp_mirror ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void sphere_tp_pano ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void pano_sphere_tp ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void rotate_erect ( double x_dest, double y_dest, double* x_src, double* y_src, void* params );
void inv_radial ( double x_dest, double y_dest, double* x_src, double* y_src, void* params );
void vertical ( double x_dest, double y_dest, double* x_src, double* y_src, void* params );
void inv_vertical ( double x_dest, double y_dest, double* x_src, double* y_src, void* params );
void deregister ( double x_dest, double y_dest, double* x_src, double* y_src, void* params );
void tmorph ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
void shift_scale_rotate ( double x_dest,double y_dest, double* x_src, double* y_src, void* params );
unsigned char radlum ( unsigned char srcPixel, int xc, int yc, void *params );
//Kekus 16 bit 2003/Nov/18
unsigned short radlum16 ( unsigned short srcPixel, int xc, int yc, void *params );// , long bitsPerComponent);
//Kekus.
extern TrformStr *gTrPtr;
extern sPrefs *gsPrPtr;
// Endian stuff: Read and write numbers from and to memory (ptr)
#ifdef PT_BIGENDIAN
#define LONGNUMBER( number, ptr ) *ptr++ = ((char*)(&number))[0]; \
*ptr++ = ((char*)(&number))[1]; \
*ptr++ = ((char*)(&number))[2]; \
*ptr++ = ((char*)(&number))[3];
#define NUMBERLONG( number, ptr ) ((char*)(&number))[0] = *ptr++; \
((char*)(&number))[1] = *ptr++; \
((char*)(&number))[2] = *ptr++; \
((char*)(&number))[3] = *ptr++;
#define SHORTNUMBER( number, ptr ) *ptr++ = ((char*)(&number))[0]; \
*ptr++ = ((char*)(&number))[1]; \
#define NUMBERSHORT( number, ptr ) ((char*)(&number))[0] = *ptr++; \
((char*)(&number))[1] = *ptr++; \
#else
#define LONGNUMBER( number, ptr ) *ptr++ = ((char*)(&number))[3]; \
*ptr++ = ((char*)(&number))[2]; \
*ptr++ = ((char*)(&number))[1]; \
*ptr++ = ((char*)(&number))[0];
#define NUMBERLONG( number, ptr ) ((char*)(&number))[3] = *ptr++; \
((char*)(&number))[2] = *ptr++; \
((char*)(&number))[1] = *ptr++; \
((char*)(&number))[0] = *ptr++;
#define SHORTNUMBER( number, ptr ) *ptr++ = ((char*)(&number))[1]; \
*ptr++ = ((char*)(&number))[0]; \
#define NUMBERSHORT( number, ptr ) ((char*)(&number))[1] = *ptr++; \
((char*)(&number))[0] = *ptr++; \
#endif // PT_BIGENDIAN
// Cross platform file functions
#ifdef __Mac__
#include <Carbon/Carbon.h> // Kekus Digital<Files.h>
#include "sys_mac.h"
#define file_spec short
#define myopen( path, perm, fspec ) ( FSpOpenDF( path, perm, &fspec ) != noErr )
#define mywrite( fspec, count, data ) FSWrite (fspec, &count, data)
#define myread( fspec, count, data ) FSRead (fspec, &count, data)
#define myclose( fspec ) FSClose (fspec )
#define mycreate( path, creator, type ) FSpCreate( path, creator, type,0)
#define mydelete( path ) FSpDelete( path )
#define myrename( path, newpath ) FSpRename (path, (newpath)->name)
#define write_text fsWrPerm
#define write_bin fsWrPerm
#define read_text fsRdPerm
#define read_bin fsRdPerm
#define read_write_text fsRdWrPerm
#else // __Mac__, use ANSI-filefunctions
#define file_spec FILE*
#define myopen( path, perm, fspec ) ( (fspec = fopen( (path)->name, perm )) == NULL)
#define mywrite( fspec, count, data ) count = (long)fwrite( data, 1, (size_t)count, fspec)
#define myread( fspec, count, data ) count = (long)fread( data, 1, (size_t)count, fspec )
#define myclose( fspec ) fclose (fspec )
#define mycreate( path, creator, type )
#define mydelete( path ) remove((path)->name )
#define myrename( path, newpath ) rename ((path)->name, (newpath)->name)
#define write_text "w"
#define write_bin "wb"
#define read_text "r"
#define read_bin "rb"
#define read_write_text "rw"
#define append_bin "ab"
#define p2cstr( x )
#define c2pstr( x )
#endif
#endif