Class: HWPing::Webcam

Inherits:
Object
  • Object
show all
Defined in:
lib/hwping/webcam.rb,
ext/hwping/webcam.cpp

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Webcam

Returns a new instance of Webcam.



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# File 'lib/hwping/webcam.rb', line 5

def initialize(options = {})
  @dir = options.fetch('path', './tmp')
  @path = 'image.jpg'
end

Class Method Details

.panorama(images, options = {}) ⇒ Object 



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# File 'lib/hwping/webcam.rb', line 15

def self.panorama(images, options = {})
  pano = stitch(images)
  pano.instance_variable_set(:@dir, options.fetch('path', './tmp'))
  pano.instance_variable_set(:@path, 'image.jpg')
  pano
end

.stitch(snapshots) ⇒ Object 



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# File 'ext/hwping/webcam.cpp', line 58

static VALUE rb_stitch_snapshots(VALUE self, VALUE snapshots) {
  Mat *image = (Mat*) rb_thread_call_without_gvl(stitch_without_gvl, (void*) &snapshots, RUBY_UBF_IO, NULL);
  return Data_Wrap_Struct(self, NULL, destroy_snapshot, image);
}

Instance Method Details

#save ⇒ Object 



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# File 'lib/hwping/webcam.rb', line 10

def save
  write(File.join(@dir, @path))
  @path
end

#write(file) ⇒ Object 



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# File 'ext/hwping/webcam.cpp', line 52

static VALUE rb_save_snapshot(VALUE self, VALUE file) {
  Mat *image;
  Data_Get_Struct(self, Mat, image);
  return INT2NUM(imwrite(StringValuePtr(file), *image));
}