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added cvGetCaptureProperty wrapping methods to CvCapture

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This commit is contained in:
ser1zw 2011-05-29 03:36:09 +09:00
parent 6c11f71e31
commit 37182e83c1
5 changed files with 282 additions and 7 deletions
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125
ext/opencv/cvcapture.cpp
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@ -7,7 +7,7 @@
Copyright (C) 2005-2006 Masakazu Yonekura
************************************************************/
#include"cvcapture.h"
#include "cvcapture.h"
/*
* Document-class: OpenCV::CvCapture
*
@ -67,18 +67,30 @@ define_ruby_class()
rb_define_method(rb_klass, "query", RUBY_METHOD_FUNC(rb_query), 0);
rb_define_method(rb_klass, "millisecond", RUBY_METHOD_FUNC(rb_millisecond), 0);
rb_define_method(rb_klass, "frames", RUBY_METHOD_FUNC(rb_frames), 0);
rb_define_method(rb_klass, "avi_ratio", RUBY_METHOD_FUNC(rb_avi_ratio), 0);
rb_define_method(rb_klass, "size", RUBY_METHOD_FUNC(rb_size), 0);
rb_define_method(rb_klass, "width", RUBY_METHOD_FUNC(rb_width), 0);
rb_define_method(rb_klass, "height", RUBY_METHOD_FUNC(rb_height), 0);
rb_define_method(rb_klass, "fps", RUBY_METHOD_FUNC(rb_fps), 0);
rb_define_method(rb_klass, "fourcc", RUBY_METHOD_FUNC(rb_fourcc), 0);
rb_define_method(rb_klass, "frame_count", RUBY_METHOD_FUNC(rb_frame_count), 0);
rb_define_method(rb_klass, "format", RUBY_METHOD_FUNC(rb_format), 0);
rb_define_method(rb_klass, "mode", RUBY_METHOD_FUNC(rb_mode), 0);
rb_define_method(rb_klass, "brightness", RUBY_METHOD_FUNC(rb_brightness), 0);
rb_define_method(rb_klass, "contrast", RUBY_METHOD_FUNC(rb_contrast), 0);
rb_define_method(rb_klass, "saturation", RUBY_METHOD_FUNC(rb_saturation), 0);
rb_define_method(rb_klass, "hue", RUBY_METHOD_FUNC(rb_hue), 0);
rb_define_method(rb_klass, "gain", RUBY_METHOD_FUNC(rb_gain), 0);
rb_define_method(rb_klass, "exposure", RUBY_METHOD_FUNC(rb_exposure), 0);
rb_define_method(rb_klass, "convert_rgb", RUBY_METHOD_FUNC(rb_convert_rgb), 0);
rb_define_method(rb_klass, "white_balance", RUBY_METHOD_FUNC(rb_white_balance), 0);
rb_define_method(rb_klass, "rectification", RUBY_METHOD_FUNC(rb_rectification), 0);
}
void
free(void *ptr)
{
if(ptr)
if (ptr)
cvReleaseCapture((CvCapture**)&ptr);
}
@ -147,7 +159,7 @@ rb_grab(VALUE self)
/*
* call-seq:
* retrieve -> CvMat or nil
* retrieve -> IplImage or nil
*
* Gets the image grabbed with grab.
*/
@ -168,7 +180,7 @@ rb_retrieve(VALUE self)
/*
* call-seq:
* query -> CvMat or nil
* query -> IplImage or nil
*
* Grabs and returns a frame camera or file. Just a combination of grab and retrieve in one call.
*/
@ -181,7 +193,8 @@ rb_query(VALUE self)
VALUE image = cIplImage::new_object(cvSize(frame->width, frame->height), CV_MAKETYPE(CV_8U, frame->nChannels));
if (frame->origin == IPL_ORIGIN_TL) {
cvCopy(frame, CVARR(image));
} else {
}
else {
cvFlip(frame, CVARR(image));
}
return image;
@ -220,7 +233,8 @@ rb_avi_ratio(VALUE self)
VALUE
rb_size(VALUE self)
{
return cCvSize::new_object(cvSize((int)cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FRAME_WIDTH), (int)cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FRAME_HEIGHT)));
return cCvSize::new_object(cvSize((int)cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FRAME_WIDTH),
(int)cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FRAME_HEIGHT)));
}
/*
@ -271,6 +285,105 @@ rb_frame_count(VALUE self)
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FRAME_COUNT));
}
/*
* The format of the Mat objects returned by CvCapture#retrieve
*/
VALUE
rb_format(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_FORMAT));
}
/*
* A backend-specific value indicating the current capture mode
*/
VALUE
rb_mode(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_MODE));
}
/*
* Brightness of the image (only for cameras)
*/
VALUE
rb_brightness(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_BRIGHTNESS));
}
/*
* Contrast of the image (only for cameras)
*/
VALUE
rb_contrast(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_CONTRAST));
}
/*
* Saturation of the image (only for cameras)
*/
VALUE
rb_saturation(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_SATURATION));
}
/*
* Hue of the image (only for cameras)
*/
VALUE
rb_hue(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_HUE));
}
/*
* Gain of the image (only for cameras)
*/
VALUE
rb_gain(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_GAIN));
}
/*
* Exposure (only for cameras)
*/
VALUE
rb_exposure(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_EXPOSURE));
}
/*
* Boolean flags indicating whether images should be converted to RGB
*/
VALUE
rb_convert_rgb(VALUE self)
{
int flag = (int)cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_CONVERT_RGB);
return (flag == 1) ? Qtrue : Qfalse;
}
/*
* Currently unsupported
*/
VALUE
rb_white_balance(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_WHITE_BALANCE));
}
/*
* TOWRITE (note: only supported by DC1394 v 2.x backend currently)
*/
VALUE
rb_rectification(VALUE self)
{
return rb_dbl2big(cvGetCaptureProperty(CVCAPTURE(self), CV_CAP_PROP_RECTIFICATION));
}
__NAMESPACE_END_CVCAPTURE
__NAMESPACE_END_OPENCV