13 lines
462 B
Go
13 lines
462 B
Go
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package artist
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import "image/color"
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// Pattern is capable of generating a pattern pixel by pixel.
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type Pattern interface {
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// AtWhen returns the color of the pixel located at (x, y) relative to
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// the origin point of the pattern (0, 0), when the pattern has the
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// specified width and height. Patterns may ignore the width and height
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// parameters, but it may be useful for some patterns such as gradients.
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AtWhen (x, y, width, height int) (color.RGBA)
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}
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