mirror/tesseract
1
0
Fork 0
mirror of https://github.com/tesseract-ocr/tesseract.git synced 2025-06-07 18:02:40 +08:00
Code Issues Actions 9 Packages Projects Releases Wiki Activity

doxygen classify/fpoint.cpp

Browse Source
This commit is contained in:
Jim O'Regan 2015-07-20 15:59:52 +01:00
parent 0267dec052
commit 7f0c70c228
1 changed files with 17 additions and 20 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

37
classify/fpoint.cpp
View File

@ -15,18 +15,17 @@
** See the License for the specific language governing permissions and ** See the License for the specific language governing permissions and
** limitations under the License. ** limitations under the License.
******************************************************************************/ ******************************************************************************/
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Include Files and Type Defines Include Files and Type Defines
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
#include "const.h" #include "const.h"
#include "fpoint.h" #include "fpoint.h"
#include <stdio.h> #include <stdio.h>
#include <math.h> #include <math.h>
/**---------------------------------------------------------------------------- /*----------------------------------------------------------------------------
Public Code Public Code
----------------------------------------------------------------------------**/ ----------------------------------------------------------------------------*/
/*---------------------------------------------------------------------------*/
FLOAT32 DistanceBetween(FPOINT A, FPOINT B) { FLOAT32 DistanceBetween(FPOINT A, FPOINT B) {
double xd = XDelta(A, B); double xd = XDelta(A, B);
@ -34,23 +33,21 @@ FLOAT32 DistanceBetween(FPOINT A, FPOINT B) {
return sqrt(static_cast<double>(xd * xd + yd * yd)); return sqrt(static_cast<double>(xd * xd + yd * yd));
} }
/**
* Return the angle from Point1 to Point2 normalized to
* lie in the range 0 to FullScale (where FullScale corresponds
* to 2*pi or 360 degrees).
* @param Point1 points to compute angle between
* @param Point2 points to compute angle between
* @param FullScale value to associate with 2*pi
* @return none
* @note Globals: none
* @note Exceptions: none
* @note History: Wed Mar 28 14:27:25 1990, DSJ, Created.
*/
FLOAT32 NormalizedAngleFrom(FPOINT *Point1, FLOAT32 NormalizedAngleFrom(FPOINT *Point1,
FPOINT *Point2, FPOINT *Point2,
FLOAT32 FullScale) { FLOAT32 FullScale) {
/*
** Parameters:
** Point1, Point2 points to compute angle between
** FullScale value to associate with 2*pi
** Globals: none
** Operation: Return the angle from Point1 to Point2 normalized to
** lie in the range 0 to FullScale (where FullScale corresponds
** to 2*pi or 360 degrees).
** Return: none
** Exceptions: none
** History: Wed Mar 28 14:27:25 1990, DSJ, Created.
*/
FLOAT32 Angle; FLOAT32 Angle;
FLOAT32 NumRadsInCircle = 2.0 * PI; FLOAT32 NumRadsInCircle = 2.0 * PI;
@ -62,4 +59,4 @@ FLOAT32 NormalizedAngleFrom(FPOINT *Point1,
Angle = 0.0; Angle = 0.0;
return (Angle); return (Angle);
} /* NormalizedAngleFrom */ }