334 lines
7.2 KiB
C++
334 lines
7.2 KiB
C++
/************************************************************
|
|
|
|
cvrect.cpp -
|
|
|
|
$Author: lsxi $
|
|
|
|
Copyright (C) 2005-2006 Masakazu Yonekura
|
|
|
|
************************************************************/
|
|
#include "cvrect.h"
|
|
/*
|
|
* Document-class: OpenCV::CvRect
|
|
*
|
|
* This class have coordinate of top-left point(x, y) and size, width and height.
|
|
*
|
|
*
|
|
* C stracture is here, very simple.
|
|
* typdef struct CvRect {
|
|
* int x;
|
|
* int y;
|
|
* int width;
|
|
* int height;
|
|
* }
|
|
*
|
|
*/
|
|
__NAMESPACE_BEGIN_OPENCV
|
|
__NAMESPACE_BEGIN_CVRECT
|
|
|
|
VALUE rb_klass;
|
|
|
|
VALUE
|
|
rb_class()
|
|
{
|
|
return rb_klass;
|
|
}
|
|
|
|
void
|
|
init_ruby_class()
|
|
{
|
|
if (rb_klass)
|
|
return;
|
|
/*
|
|
* opencv = rb_define_module("OpenCV");
|
|
*
|
|
* note: this comment is used by rdoc.
|
|
*/
|
|
VALUE opencv = rb_module_opencv();
|
|
rb_klass = rb_define_class_under(opencv, "CvRect", rb_cObject);
|
|
rb_define_alloc_func(rb_klass, rb_allocate);
|
|
rb_define_singleton_method(rb_klass, "compatible?", RUBY_METHOD_FUNC(rb_compatible_q), 1);
|
|
rb_define_singleton_method(rb_klass, "max_rect", RUBY_METHOD_FUNC(rb_max_rect), 2);
|
|
rb_define_method(rb_klass, "initialize", RUBY_METHOD_FUNC(rb_initialize), -1);
|
|
|
|
rb_define_method(rb_klass, "x", RUBY_METHOD_FUNC(rb_x), 0);
|
|
rb_define_method(rb_klass, "x=", RUBY_METHOD_FUNC(rb_set_x), 1);
|
|
rb_define_method(rb_klass, "y", RUBY_METHOD_FUNC(rb_y), 0);
|
|
rb_define_method(rb_klass, "y=", RUBY_METHOD_FUNC(rb_set_y), 1);
|
|
rb_define_method(rb_klass, "width", RUBY_METHOD_FUNC(rb_width), 0);
|
|
rb_define_method(rb_klass, "width=", RUBY_METHOD_FUNC(rb_set_width), 1);
|
|
rb_define_method(rb_klass, "height", RUBY_METHOD_FUNC(rb_height), 0);
|
|
rb_define_method(rb_klass, "height=", RUBY_METHOD_FUNC(rb_set_height), 1);
|
|
rb_define_method(rb_klass, "center", RUBY_METHOD_FUNC(rb_center), 0);
|
|
rb_define_method(rb_klass, "points", RUBY_METHOD_FUNC(rb_points), 0);
|
|
rb_define_method(rb_klass, "top_left", RUBY_METHOD_FUNC(rb_top_left), 0);
|
|
rb_define_method(rb_klass, "top_right", RUBY_METHOD_FUNC(rb_top_right), 0);
|
|
rb_define_method(rb_klass, "bottom_left", RUBY_METHOD_FUNC(rb_bottom_left), 0);
|
|
rb_define_method(rb_klass, "bottom_right", RUBY_METHOD_FUNC(rb_bottom_right), 0);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* combatible?(obj)
|
|
*
|
|
* Return compatibility to CvRect. Return true if object have method #x and #y and #width and #height.
|
|
*
|
|
* For example.
|
|
* class MyRect
|
|
* def x
|
|
* 1
|
|
* end
|
|
* def y
|
|
* 2
|
|
* end
|
|
* def width
|
|
* 10
|
|
* end
|
|
* def height
|
|
* 20
|
|
* end
|
|
* end
|
|
* mr = MyRect.new
|
|
* CvRect.compatible?(mp) #=> true
|
|
* CvRect.new(mp) #=> same as CvRect(1, 2, 10, 20)
|
|
*/
|
|
VALUE
|
|
rb_compatible_q(VALUE klass, VALUE object)
|
|
{
|
|
return (rb_respond_to(object, rb_intern("x")) &&
|
|
rb_respond_to(object, rb_intern("y")) &&
|
|
rb_respond_to(object, rb_intern("width")) &&
|
|
rb_respond_to(object, rb_intern("height"))) ? Qtrue : Qfalse;
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* max_rect(rect1, rect2) -> cvrect
|
|
*
|
|
* Finds bounding rectangle for given rectangles.
|
|
*/
|
|
VALUE
|
|
rb_max_rect(VALUE klass, VALUE rect1, VALUE rect2)
|
|
{
|
|
return cCvRect::new_object(cvMaxRect(CVRECT(rect1), CVRECT(rect2)));
|
|
}
|
|
|
|
VALUE
|
|
rb_allocate(VALUE klass)
|
|
{
|
|
CvRect *ptr;
|
|
return Data_Make_Struct(klass, CvRect, 0, -1, ptr);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* new -> CvRect.new(0, 0, 0, 0)
|
|
* new(obj) -> CvRect.new(obj.x.to_i, obj.y.to_i, obj.width.to_i, obj.height.to_i)
|
|
* new(x, y, width, height)
|
|
*
|
|
* Create new rectangle area. (x, y) is top-left point, and width, height is size of area.
|
|
* It is dropped below the decimal point.
|
|
*
|
|
* new() is same as new(0, 0, 0, 0)
|
|
*
|
|
* new(obj) is same as new(obj.x.to_i, obj.y.to_i, obj.width.to_i, obj.height.to_i)
|
|
*/
|
|
VALUE
|
|
rb_initialize(int argc, VALUE *argv, VALUE self)
|
|
{
|
|
CvRect *self_ptr = CVRECT(self);
|
|
switch (argc) {
|
|
case 0:
|
|
break;
|
|
case 1: {
|
|
CvRect rect = VALUE_TO_CVRECT(argv[0]);
|
|
self_ptr->x = rect.x;
|
|
self_ptr->y = rect.y;
|
|
self_ptr->width = rect.width;
|
|
self_ptr->height = rect.height;
|
|
break;
|
|
}
|
|
case 4:
|
|
self_ptr->x = NUM2INT(argv[0]);
|
|
self_ptr->y = NUM2INT(argv[1]);
|
|
self_ptr->width = NUM2INT(argv[2]);
|
|
self_ptr->height = NUM2INT(argv[3]);
|
|
break;
|
|
default:
|
|
rb_raise(rb_eArgError, "wrong number of arguments (%d for 0..2)", argc);
|
|
break;
|
|
}
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* Return parameter on x-axis of top-left point.
|
|
*/
|
|
VALUE
|
|
rb_x(VALUE self)
|
|
{
|
|
return INT2NUM(CVRECT(self)->x);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* x = val
|
|
*
|
|
* Set x-axis parameter of top-left point, return self.
|
|
* It is dropped below the decimal point.
|
|
*/
|
|
VALUE
|
|
rb_set_x(VALUE self, VALUE x)
|
|
{
|
|
CVRECT(self)->x = NUM2INT(x);
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* Return parameter on y-axis of top-left point.
|
|
*/
|
|
VALUE
|
|
rb_y(VALUE self)
|
|
{
|
|
return INT2NUM(CVRECT(self)->y);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* y = val
|
|
*
|
|
* Set y-axis parameter of top-left point, return self.
|
|
* It is dropped below the decimal point.
|
|
*/
|
|
VALUE
|
|
rb_set_y(VALUE self, VALUE y)
|
|
{
|
|
CVRECT(self)->y = NUM2INT(y);
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* Return size of x-axis.
|
|
*/
|
|
VALUE
|
|
rb_width(VALUE self)
|
|
{
|
|
return INT2NUM(CVRECT(self)->width);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* width = val
|
|
*
|
|
* Set x-axis size, return self.
|
|
* It is dropped below the decimal point.
|
|
*/
|
|
VALUE
|
|
rb_set_width(VALUE self, VALUE x)
|
|
{
|
|
CVRECT(self)->width = NUM2INT(x);
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* Return size of y-axis.
|
|
*/
|
|
VALUE
|
|
rb_height(VALUE self)
|
|
{
|
|
return INT2NUM(CVRECT(self)->height);
|
|
}
|
|
|
|
/*
|
|
* call-seq:
|
|
* height = val
|
|
*
|
|
* Set y-axis size, return self.
|
|
* It is dropped below the decimal point.
|
|
*/
|
|
VALUE
|
|
rb_set_height(VALUE self, VALUE y)
|
|
{
|
|
CVRECT(self)->height = NUM2INT(y);
|
|
return self;
|
|
}
|
|
|
|
/*
|
|
* Return center point of rectangle.
|
|
*/
|
|
VALUE
|
|
rb_center(VALUE self)
|
|
{
|
|
CvRect *rect = CVRECT(self);
|
|
return cCvPoint2D32f::new_object(cvPoint2D32f((float)rect->x + (float)rect->width / 2.0,
|
|
(float)rect->y + (float)rect->height / 2.0));
|
|
}
|
|
|
|
/*
|
|
* Return 4 points (top-left, bottom-left, bottom-right, top-right)
|
|
*/
|
|
VALUE
|
|
rb_points(VALUE self)
|
|
{
|
|
CvRect *rect = CVRECT(self);
|
|
return rb_ary_new3(4,
|
|
cCvPoint::new_object(cvPoint(rect->x, rect->y)),
|
|
cCvPoint::new_object(cvPoint(rect->x, rect->y + rect->height)),
|
|
cCvPoint::new_object(cvPoint(rect->x + rect->width, rect->y + rect->height)),
|
|
cCvPoint::new_object(cvPoint(rect->x + rect->width, rect->y))
|
|
);
|
|
}
|
|
|
|
/*
|
|
* Return top-left point of rectangle.
|
|
*/
|
|
VALUE
|
|
rb_top_left(VALUE self)
|
|
{
|
|
CvRect* rect = CVRECT(self);
|
|
return cCvPoint::new_object(cvPoint(rect->x, rect->y));
|
|
}
|
|
|
|
/*
|
|
* Return top-right point of rectangle.
|
|
*/
|
|
VALUE
|
|
rb_top_right(VALUE self)
|
|
{
|
|
CvRect* rect = CVRECT(self);
|
|
return cCvPoint::new_object(cvPoint(rect->x + rect->width, rect->y));
|
|
}
|
|
|
|
/*
|
|
* Return bottom-left point of rectangle.
|
|
*/
|
|
VALUE
|
|
rb_bottom_left(VALUE self)
|
|
{
|
|
CvRect* rect = CVRECT(self);
|
|
return cCvPoint::new_object(cvPoint(rect->x,
|
|
rect->y + rect->height));
|
|
}
|
|
|
|
/*
|
|
* Return bottom-right point of rectangle.
|
|
*/
|
|
VALUE
|
|
rb_bottom_right(VALUE self)
|
|
{
|
|
CvRect* rect = CVRECT(self);
|
|
return cCvPoint::new_object(cvPoint(rect->x + rect->width,
|
|
rect->y + rect->height));
|
|
}
|
|
|
|
VALUE
|
|
new_object(CvRect rect)
|
|
{
|
|
VALUE object = rb_allocate(rb_klass);
|
|
*CVRECT(object) = rect;
|
|
return object;
|
|
}
|
|
|
|
__NAMESPACE_END_CVRECT
|
|
__NAMESPACE_END_OPENCV
|