joejulian/gio
1
0
Fork 1
mirror of https://git.sr.ht/~eliasnaur/gio synced 2026-07-06 18:05:35 +00:00
Code Issues Packages Projects Releases Wiki Activity

app/headless: handle error from Framebuffer.ReadPixels

Browse Source 
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2020-02-23 09:57:55 +01:00
parent 2df50dda8e
commit 50e98d1e13
1 changed files with 4 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
app/headless/headless.go
+4 -1
View File
@@ -116,12 +116,15 @@ func (w *Window) Frame(frame *op.Ops) {
// Screenshot returns an image with the content of the window. // Screenshot returns an image with the content of the window.
func (w *Window) Screenshot() (*image.RGBA, error) { func (w *Window) Screenshot() (*image.RGBA, error) {
img := image.NewRGBA(image.Rectangle{Max: w.size}) img := image.NewRGBA(image.Rectangle{Max: w.size})
contextDo(w.ctx, func() error { err := contextDo(w.ctx, func() error {
return w.fbo.ReadPixels( return w.fbo.ReadPixels(
image.Rectangle{ image.Rectangle{
Max: image.Point{X: w.size.X, Y: w.size.Y}, Max: image.Point{X: w.size.X, Y: w.size.Y},
}, img.Pix) }, img.Pix)
}) })
if err != nil {
return nil, err
}
// Flip image in y-direction. OpenGL's origin is in the lower // Flip image in y-direction. OpenGL's origin is in the lower
// left corner. // left corner.
row := make([]uint8, img.Stride) row := make([]uint8, img.Stride)