42 lines
865 B
Go
42 lines
865 B
Go
|
package gui
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"image"
|
||
|
|
"image/png"
|
||
|
|
"os"
|
||
|
|
"path/filepath"
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
func (g *GUI) RequestScreenshot(filename string) {
|
||
|
|
g.screenshotRequested = true
|
||
|
|
if filename == "" {
|
||
|
|
filename = fmt.Sprintf("darktile-screenshot-%d.png", time.Now().UnixNano())
|
||
|
|
targetdir, err := os.UserHomeDir()
|
||
|
|
if err != nil {
|
||
|
|
targetdir = "/tmp"
|
||
|
|
}
|
||
|
|
filename = filepath.Join(targetdir, filename)
|
||
|
|
}
|
||
|
|
g.screenshotFilename = filename
|
||
|
|
}
|
||
|
|
|
||
|
|
func (g *GUI) takeScreenshot(screen image.Image) {
|
||
|
|
g.screenshotRequested = false
|
||
|
|
|
||
|
|
file, err := os.Create(g.screenshotFilename)
|
||
|
|
if err != nil {
|
||
|
|
g.ShowError(fmt.Sprintf("Screenshot failed: %s", err))
|
||
|
|
return
|
||
|
|
}
|
||
|
|
defer file.Close()
|
||
|
|
|
||
|
|
if err := png.Encode(file, screen); err != nil {
|
||
|
|
g.ShowError(fmt.Sprintf("Screenshot failed: %s", err))
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
g.ShowMessage(fmt.Sprintf("Screenshot saved: %s", g.screenshotFilename))
|
||
|
|
}
|