go-opengl-pixel/monitor.go

70 lines
1.8 KiB
Go

package pixel
import "github.com/go-gl/glfw/v3.2/glfw"
// Monitor represents a physical display attached to your computer.
type Monitor struct {
monitor *glfw.Monitor
}
// PrimaryMonitor returns the main monitor (usually the one with the taskbar and stuff).
func PrimaryMonitor() *Monitor {
return &Monitor{
monitor: glfw.GetPrimaryMonitor(),
}
}
// Monitors returns a slice of all currently attached monitors.
func Monitors() []*Monitor {
var monitors []*Monitor
for _, monitor := range glfw.GetMonitors() {
monitors = append(monitors, &Monitor{monitor: monitor})
}
return monitors
}
// Name returns a human-readable name of a monitor.
func (m *Monitor) Name() string {
return m.monitor.GetName()
}
// PhysicalSize returns the size of the display are of a monitor in millimeters.
func (m *Monitor) PhysicalSize() (width, height float64) {
wi, hi := m.monitor.GetPhysicalSize()
width = float64(wi)
height = float64(hi)
return
}
// Position returns the position of the upper-left corner of a monitor in screen coordinates.
func (m *Monitor) Position() (x, y float64) {
xi, yi := m.monitor.GetPos()
x = float64(xi)
y = float64(yi)
return
}
// Size returns the resolution of a monitor in pixels.
func (m *Monitor) Size() (width, height float64) {
mode := m.monitor.GetVideoMode()
width = float64(mode.Width)
height = float64(mode.Height)
return
}
// BitDepth returns the number of bits per color of a monitor.
func (m *Monitor) BitDepth() (red, green, blue int) {
mode := m.monitor.GetVideoMode()
red = mode.RedBits
green = mode.GreenBits
blue = mode.BlueBits
return
}
// RefreshRate returns the refresh frequency of a monitor in Hz (refreshes/second).
func (m *Monitor) RefreshRate() (rate float64) {
mode := m.monitor.GetVideoMode()
rate = float64(mode.RefreshRate)
return
}