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This commit is contained in:
Ryan Oldenburg 2022-08-01 16:56:12 -05:00
parent 0f80f9a385
commit 92b4c33c63
1 changed files with 4 additions and 2 deletions
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6
src/pixie/images.nim
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@ -338,8 +338,9 @@ proc blur*(
var values: array[4, uint32]
for xx in x - radius ..< min(x + radius, 0):
values += outOfBounds * kernel[xx - x + radius]
var idx = image.dataIndex(0, y)
for xx in max(x - radius, 0) .. min(x + radius, image.width - 1):
values += image.unsafe[xx, y] * kernel[xx - x + radius]
values += image.data[idx + xx] * kernel[xx - x + radius]
for xx in max(x - radius, image.width) .. x + radius:
values += outOfBounds * kernel[xx - x + radius]
blurX.unsafe[y, x] = rgbx(values)
@ -350,8 +351,9 @@ proc blur*(
var values: array[4, uint32]
for yy in y - radius ..< min(y + radius, 0):
values += outOfBounds * kernel[yy - y + radius]
var idx = blurX.dataIndex(0, x)
for yy in max(y - radius, 0) .. min(y + radius, image.height - 1):
values += blurX.unsafe[yy, x] * kernel[yy - y + radius]
values += blurX.data[idx + yy] * kernel[yy - y + radius]
for yy in max(y - radius, image.height) .. y + radius:
values += outOfBounds * kernel[yy - y + radius]
image.unsafe[x, y] = rgbx(values)