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Diffstat (limited to 'src/lib/openjpip/imgreg_manager.c')
-rw-r--r--src/lib/openjpip/imgreg_manager.c187
1 files changed, 92 insertions, 95 deletions
diff --git a/src/lib/openjpip/imgreg_manager.c b/src/lib/openjpip/imgreg_manager.c
index 1951e52f..120a2e0f 100644
--- a/src/lib/openjpip/imgreg_manager.c
+++ b/src/lib/openjpip/imgreg_manager.c
@@ -43,115 +43,112 @@
#define logstream stderr
#endif /*SERVER*/
-imgreg_param_t map_viewin2imgreg( const int fx, const int fy,
- const int rx, const int ry,
- const int rw, const int rh,
- const int XOsiz, const int YOsiz,
- const int Xsiz, const int Ysiz,
- const int numOfreslev)
+imgreg_param_t map_viewin2imgreg( const int fx, const int fy,
+ const int rx, const int ry,
+ const int rw, const int rh,
+ const int XOsiz, const int YOsiz,
+ const int Xsiz, const int Ysiz,
+ const int numOfreslev)
{
- imgreg_param_t imgreg;
- int px,py;
- int xmax, ymax;
-
- imgreg.xosiz = XOsiz;
- imgreg.yosiz = YOsiz;
- imgreg.fx = fx;
- imgreg.fy = fy;
- imgreg.level = 0;
- xmax = Xsiz;
- ymax = Ysiz;
-
- find_level( numOfreslev, &imgreg.level, &imgreg.fx, &imgreg.fy, &imgreg.xosiz, &imgreg.yosiz, &xmax, &ymax);
-
- if( rx == -1 || ry == -1){
- imgreg.ox = 0;
- imgreg.oy = 0;
- }
- else{
- imgreg.ox = rx*imgreg.fx/fx;
- imgreg.oy = ry*imgreg.fy/fy;
- }
-
- if( rw == -1 || rh == -1){
- imgreg.sx = imgreg.fx;
- imgreg.sy = imgreg.fy;
- }
- else{
- px = (int)ceil((double)((rx+rw)*imgreg.fx)/(double)fx);
- py = (int)ceil((double)((ry+rh)*imgreg.fy)/(double)fy);
-
- if( imgreg.fx < px)
- px = imgreg.fx;
- if( imgreg.fy < py)
- py = imgreg.fy;
-
- imgreg.sx = px - imgreg.ox;
- imgreg.sy = py - imgreg.oy;
- }
-
- if( fx != imgreg.fx || fy != imgreg.fy)
- fprintf( FCGI_stdout, "JPIP-fsiz: %d,%d\r\n", imgreg.fx, imgreg.fy);
-
- if( rw != imgreg.sx || rh != imgreg.sy)
- fprintf( FCGI_stdout, "JPIP-rsiz: %d,%d\r\n", imgreg.sx, imgreg.sy);
-
- if( rx != imgreg.ox || ry != imgreg.oy)
- fprintf( FCGI_stdout, "JPIP-roff: %d,%d\r\n", imgreg.ox, imgreg.oy);
-
- return imgreg;
+ imgreg_param_t imgreg;
+ int px,py;
+ int xmax, ymax;
+
+ imgreg.xosiz = XOsiz;
+ imgreg.yosiz = YOsiz;
+ imgreg.fx = fx;
+ imgreg.fy = fy;
+ imgreg.level = 0;
+ xmax = Xsiz;
+ ymax = Ysiz;
+
+ find_level( numOfreslev, &imgreg.level, &imgreg.fx, &imgreg.fy, &imgreg.xosiz, &imgreg.yosiz, &xmax, &ymax);
+
+ if( rx == -1 || ry == -1) {
+ imgreg.ox = 0;
+ imgreg.oy = 0;
+ } else {
+ imgreg.ox = rx*imgreg.fx/fx;
+ imgreg.oy = ry*imgreg.fy/fy;
+ }
+
+ if( rw == -1 || rh == -1) {
+ imgreg.sx = imgreg.fx;
+ imgreg.sy = imgreg.fy;
+ } else {
+ px = (int)ceil((double)((rx+rw)*imgreg.fx)/(double)fx);
+ py = (int)ceil((double)((ry+rh)*imgreg.fy)/(double)fy);
+
+ if( imgreg.fx < px)
+ px = imgreg.fx;
+ if( imgreg.fy < py)
+ py = imgreg.fy;
+
+ imgreg.sx = px - imgreg.ox;
+ imgreg.sy = py - imgreg.oy;
+ }
+
+ if( fx != imgreg.fx || fy != imgreg.fy)
+ fprintf( FCGI_stdout, "JPIP-fsiz: %d,%d\r\n", imgreg.fx, imgreg.fy);
+
+ if( rw != imgreg.sx || rh != imgreg.sy)
+ fprintf( FCGI_stdout, "JPIP-rsiz: %d,%d\r\n", imgreg.sx, imgreg.sy);
+
+ if( rx != imgreg.ox || ry != imgreg.oy)
+ fprintf( FCGI_stdout, "JPIP-roff: %d,%d\r\n", imgreg.ox, imgreg.oy);
+
+ return imgreg;
}
void find_level( int maxlev, int *lev, int *fx, int *fy, int *xmin, int *ymin, int *xmax, int *ymax)
{
- int xwidth = *xmax - *xmin;
- int ywidth = *ymax - *ymin;
-
- /* Find smaller frame size for now (i.e. assume "round-down"). */
- if ((*fx < 1 && xwidth != 0) || (*fy < 1 && ywidth != 0)){
- fprintf( FCGI_stderr, "Frame size must be strictly positive");
- exit(-1);
- }
- else if( *lev < maxlev-1 && ( *fx < xwidth || *fy < ywidth)) {
- /* Simulate the ceil function. */
- *xmin = (int)ceil((double)*xmin/(double)2.0);
- *ymin = (int)ceil((double)*ymin/(double)2.0);
- *xmax = (int)ceil((double)*xmax/(double)2.0);
- *ymax = (int)ceil((double)*ymax/(double)2.0);
-
- (*lev) ++;
- find_level ( maxlev, lev, fx, fy, xmin, ymin, xmax, ymax);
- } else {
- *fx = xwidth;
- *fy = ywidth;
- }
+ int xwidth = *xmax - *xmin;
+ int ywidth = *ymax - *ymin;
+
+ /* Find smaller frame size for now (i.e. assume "round-down"). */
+ if ((*fx < 1 && xwidth != 0) || (*fy < 1 && ywidth != 0)) {
+ fprintf( FCGI_stderr, "Frame size must be strictly positive");
+ exit(-1);
+ } else if( *lev < maxlev-1 && ( *fx < xwidth || *fy < ywidth)) {
+ /* Simulate the ceil function. */
+ *xmin = (int)ceil((double)*xmin/(double)2.0);
+ *ymin = (int)ceil((double)*ymin/(double)2.0);
+ *xmax = (int)ceil((double)*xmax/(double)2.0);
+ *ymax = (int)ceil((double)*ymax/(double)2.0);
+
+ (*lev) ++;
+ find_level ( maxlev, lev, fx, fy, xmin, ymin, xmax, ymax);
+ } else {
+ *fx = xwidth;
+ *fy = ywidth;
+ }
}
int comp_decomplev( int fw, int fh, int Xsiz, int Ysiz)
{
- int level;
- int xmin, xmax, ymin, ymax;
-
- level = 0;
- xmin = ymin = 0;
- xmax = Xsiz;
- ymax = Ysiz;
-
- find_level( 1000, &level, &fw, &fh, &xmin, &ymin, &xmax, &ymax);
-
- assert( level >= 0 );
- return level;
+ int level;
+ int xmin, xmax, ymin, ymax;
+
+ level = 0;
+ xmin = ymin = 0;
+ xmax = Xsiz;
+ ymax = Ysiz;
+
+ find_level( 1000, &level, &fw, &fh, &xmin, &ymin, &xmax, &ymax);
+
+ assert( level >= 0 );
+ return level;
}
void print_imgreg( imgreg_param_t imgreg)
{
#ifndef SERVER
- fprintf( logstream, "codestream image region:\n");
- fprintf( logstream, "\t fsiz: %d, %d\n", imgreg.fx, imgreg.fy);
- fprintf( logstream, "\t roff: %d, %d\n", imgreg.ox, imgreg.oy);
- fprintf( logstream, "\t rsiz: %d, %d\n", imgreg.sx, imgreg.sy);
- fprintf( logstream, "\t level: %d\n", imgreg.level);
+ fprintf( logstream, "codestream image region:\n");
+ fprintf( logstream, "\t fsiz: %d, %d\n", imgreg.fx, imgreg.fy);
+ fprintf( logstream, "\t roff: %d, %d\n", imgreg.ox, imgreg.oy);
+ fprintf( logstream, "\t rsiz: %d, %d\n", imgreg.sx, imgreg.sy);
+ fprintf( logstream, "\t level: %d\n", imgreg.level);
#else
- (void)imgreg;
+ (void)imgreg;
#endif
}
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