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commit
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@ -96,7 +96,10 @@ func clearImage(i *graphicscommand.Image, region image.Rectangle) {
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// ClearPixels clears the specified region by WritePixels.
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// ClearPixels clears the specified region by WritePixels.
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func (i *Image) ClearPixels(region image.Rectangle) {
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func (i *Image) ClearPixels(region image.Rectangle) {
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i.WritePixels(nil, region)
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if region.Dx() <= 0 || region.Dy() <= 0 {
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panic("restorable: width/height must be positive")
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}
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clearImage(i.Image, region.Intersect(image.Rect(0, 0, i.width, i.height)))
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}
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}
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// WritePixels replaces the image pixels with the given pixels slice.
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// WritePixels replaces the image pixels with the given pixels slice.
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@ -111,11 +114,7 @@ func (i *Image) WritePixels(pixels *graphics.ManagedBytes, region image.Rectangl
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panic(fmt.Sprintf("restorable: out of range %v", region))
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panic(fmt.Sprintf("restorable: out of range %v", region))
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}
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}
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if pixels != nil {
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i.Image.WritePixels(pixels, region)
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i.Image.WritePixels(pixels, region)
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} else {
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clearImage(i.Image, region)
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}
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}
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}
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// DrawTriangles draws triangles with the given image.
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// DrawTriangles draws triangles with the given image.
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