Files
gio/app/headless/headless_test.go
T
Elias Naur 0b84137f40 app/headless: implement headless windows
Signed-off-by: Elias Naur <mail@eliasnaur.com>
2019-12-01 23:40:02 +01:00

42 lines
825 B
Go

// SPDX-License-Identifier: Unlicense OR MIT
package headless
import (
"image"
"image/color"
"testing"
"gioui.org/f32"
"gioui.org/op"
"gioui.org/op/paint"
)
func TestHeadless(t *testing.T) {
sz := image.Point{X: 800, Y: 600}
w, err := NewWindow(sz.X, sz.Y)
if err != nil {
t.Skipf("headless windows not supported: %v", err)
}
col := color.RGBA{A: 0xff, R: 0xcc, G: 0xcc}
var ops op.Ops
paint.ColorOp{Color: col}.Add(&ops)
paint.PaintOp{Rect: f32.Rectangle{Max: f32.Point{
X: float32(sz.X),
Y: float32(sz.Y),
}}}.Add(&ops)
w.Frame(&ops)
img, err := w.Screenshot()
if err != nil {
t.Fatal(err)
}
if isz := img.Bounds().Size(); isz != sz {
t.Errorf("got %v screenshot, expected %v", isz, sz)
}
if got := img.RGBAAt(0, 0); got != col {
t.Errorf("got color %v, expected %v", got, col)
}
}