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Ryan Oldenburg 2021-06-17 19:01:03 -05:00
parent 5a3e2b8ad7
commit aeb531aedb
1 changed files with 6 additions and 7 deletions
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7
src/pixie/images.nim
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@ -360,6 +360,8 @@ proc blur*(
let radius = round(radius).int let radius = round(radius).int
if radius == 0: if radius == 0:
return return
if radius < 0:
raise newException(PixieError, "Cannot apply negative blur")
let let
kernel = gaussianKernel(radius) kernel = gaussianKernel(radius)
@ -776,7 +778,7 @@ proc drawTiled*(dest, src: Image, mat: Mat3, blendMode = bmNormal) =
dest.drawCorrect(src, mat, true, blendMode) dest.drawCorrect(src, mat, true, blendMode)
proc resize*(srcImage: Image, width, height: int): Image = proc resize*(srcImage: Image, width, height: int): Image =
## Resize an image to a given hight and width. ## Resize an image to a given height and width.
if width == srcImage.width and height == srcImage.height: if width == srcImage.width and height == srcImage.height:
result = srcImage.copy() result = srcImage.copy()
else: else:
@ -808,11 +810,8 @@ proc shadow*(
): Image = ): Image =
## Create a shadow of the image with the offset, spread and blur. ## Create a shadow of the image with the offset, spread and blur.
let mask = image.newMask() let mask = image.newMask()
if offset != vec2(0, 0):
mask.shift(offset) mask.shift(offset)
if spread > 0:
mask.spread(spread) mask.spread(spread)
if blur > 0:
mask.blur(blur) mask.blur(blur)
result = newImage(mask.width, mask.height) result = newImage(mask.width, mask.height)
result.fill(color) result.fill(color)