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window_driver.go
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/
window_driver.go
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package opencv
import (
cv "github.com/hybridgroup/go-opencv/opencv"
"github.com/hybridgroup/gobot"
)
var _ gobot.Driver = (*WindowDriver)(nil)
type window interface {
ShowImage(*cv.IplImage)
}
type WindowDriver struct {
name string
window window
start func(*WindowDriver)
}
// NewWindowDriver creates a new window driver with specified name.
// It adds an start function to initialize window
func NewWindowDriver(name string) *WindowDriver {
return &WindowDriver{
name: name,
start: func(w *WindowDriver) {
w.window = cv.NewWindow(w.Name(), cv.CV_WINDOW_NORMAL)
},
}
}
func (w *WindowDriver) Name() string { return w.name }
func (w *WindowDriver) Connection() gobot.Connection { return nil }
// Start starts window thread and driver
func (w *WindowDriver) Start() (errs []error) {
cv.StartWindowThread()
w.start(w)
return
}
// Halt returns true if camera is halted successfully
func (w *WindowDriver) Halt() (errs []error) { return }
// ShowImage displays image in window
func (w *WindowDriver) ShowImage(image *cv.IplImage) {
w.window.ShowImage(image)
}