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

restorable: Add assertion at fillImage

Browse Source
This commit is contained in:
Hajime Hoshi 2019-07-16 02:16:00 +09:00
parent 2b632d0707
commit 6d20e3f951
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
internal/restorable/image.go
View File

@ -120,6 +120,9 @@ func init() {
for i := range pix { for i := range pix {
pix[i] = 0xff pix[i] = 0xff
} }
// As emptyImage is the source at fillImage, initialize this with ReplacePixels, not fillImage.
// This operation is also important when restoring emptyImage.
emptyImage.ReplacePixels(pix, 0, 0, w, h) emptyImage.ReplacePixels(pix, 0, 0, w, h)
theImages.add(emptyImage) theImages.add(emptyImage)
} }
@ -189,6 +192,10 @@ func (i *Image) clearForInitialization() {
// fillImage fills a graphicscommand.Image with the specified color. // fillImage fills a graphicscommand.Image with the specified color.
// This does nothing to do with a restorable.Image's rendering state. // This does nothing to do with a restorable.Image's rendering state.
func fillImage(img *graphicscommand.Image, r, g, b, a byte) { func fillImage(img *graphicscommand.Image, r, g, b, a byte) {
if img == emptyImage.image {
panic("restorable: fillImage cannot be called on emptyImage")
}
rf := float32(0) rf := float32(0)
gf := float32(0) gf := float32(0)
bf := float32(0) bf := float32(0)