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BasicCanvas.Reallocate refuses to work on cut canvases

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This commit is contained in:
Sasha Koshka 2023-02-01 01:52:50 -05:00
parent 8f0f2be9e9
commit f71f789b60
1 changed files with 2 additions and 0 deletions
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2
canvas.go
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@ -64,6 +64,8 @@ func (canvas BasicCanvas) Buffer () (data []color.RGBA, stride int) {
// Reallocate efficiently reallocates the canvas. The data within will be // Reallocate efficiently reallocates the canvas. The data within will be
// garbage. This method will do nothing if this is a cut image. // garbage. This method will do nothing if this is a cut image.
func (canvas *BasicCanvas) Reallocate (width, height int) { func (canvas *BasicCanvas) Reallocate (width, height int) {
if canvas.rect.Min != (image.Point { }) { return }
previousLen := len(canvas.pix) previousLen := len(canvas.pix)
newLen := width * height newLen := width * height
bigger := newLen > previousLen bigger := newLen > previousLen