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ebiten: refactoring

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This commit is contained in:
Hajime Hoshi 2023-08-27 21:38:54 +09:00
parent c4b8378b71
commit ead3f32df0
1 changed files with 9 additions and 8 deletions
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17
image.go
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@ -93,9 +93,7 @@ func (i *Image) Fill(clr color.Color) {
cgf = float32(cg) / 0xffff
cbf = float32(cb) / 0xffff
caf = float32(ca) / 0xffff
b := i.Bounds()
x, y := i.adjustPosition(b.Min.X, b.Min.Y)
i.image.Fill(crf, cgf, cbf, caf, image.Rect(x, y, x+b.Dx(), y+b.Dy()))
i.image.Fill(crf, cgf, cbf, caf, i.adjustedBounds())
}
func canSkipMipmap(geom GeoM, filter builtinshader.Filter) bool {
@ -172,6 +170,12 @@ func (i *Image) adjustPositionF32(x, y float32) (float32, float32) {
return x, y
}
func (i *Image) adjustedBounds() image.Rectangle {
b := i.Bounds()
x, y := i.adjustPosition(b.Min.X, b.Min.Y)
return image.Rect(x, y, x+b.Dx(), y+b.Dy())
}
func (i *Image) adjustedRegion() graphicsdriver.Region {
b := i.Bounds()
x, y := i.adjustPosition(b.Min.X, b.Min.Y)
@ -886,8 +890,7 @@ func (i *Image) ReadPixels(pixels []byte) {
return
}
x, y := i.adjustPosition(b.Min.X, b.Min.Y)
i.image.ReadPixels(pixels, image.Rect(x, y, x+b.Dx(), y+b.Dy()))
i.image.ReadPixels(pixels, i.adjustedBounds())
}
// At returns the color of the image at (x, y).
@ -998,12 +1001,10 @@ func (i *Image) WritePixels(pixels []byte) {
return
}
r := i.Bounds()
x, y := i.adjustPosition(r.Min.X, r.Min.Y)
// Do not need to copy pixels here.
// * In internal/mipmap, pixels are copied when necessary.
// * In internal/atlas, pixels are copied to make its paddings.
i.image.WritePixels(pixels, image.Rect(x, y, x+r.Dx(), y+r.Dy()))
i.image.WritePixels(pixels, i.adjustedBounds())
}
// ReplacePixels replaces the pixels of the image.