mth/ebiten
1
0
Fork 0
mirror of https://github.com/hajimehoshi/ebiten.git synced 2024-11-10 04:57:26 +01:00
Code Issues Packages Projects Releases Wiki Activity

internal/buffered: refactoring

Browse Source
This commit is contained in:
Hajime Hoshi 2022-03-20 19:03:41 +09:00
parent 14c327c89b
commit ea81d4abf4
1 changed files with 18 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
internal/buffered/image.go
View File

@ -138,15 +138,24 @@ func (i *Image) MarkDisposed() {
i.img.MarkDisposed()
}
func (i *Image) ensurePixels(graphicsDriver graphicsdriver.Graphics) error {
if i.pixels != nil {
return nil
}
pix, err := i.img.Pixels(graphicsDriver)
if err != nil {
return err
}
i.pixels = pix
return nil
}
func (img *Image) At(graphicsDriver graphicsdriver.Graphics, x, y int) (r, g, b, a byte, err error) {
checkDelayedCommandsFlushed("At")
if img.pixels == nil {
pix, err := img.img.Pixels(graphicsDriver)
if err != nil {
return 0, 0, 0, 0, err
}
img.pixels = pix
if err := img.ensurePixels(graphicsDriver); err != nil {
return 0, 0, 0, 0, err
}
idx := 4 * (y*img.width + x)
@ -199,13 +208,10 @@ func (i *Image) ReplacePartialPixels(graphicsDriver graphicsdriver.Graphics, pix
}
}
if i.pixels == nil {
pix, err := i.img.Pixels(graphicsDriver)
if err != nil {
return err
}
i.pixels = pix
if err := i.ensurePixels(graphicsDriver); err != nil {
return err
}
i.replacePendingPixels(pix, x, y, width, height)
return nil
}