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Do not use lineOut buffer if source and destination are different.

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This commit is contained in:
homm 2014-10-19 01:14:08 +04:00
parent 5ab12e0ee7
commit f55ea4c04c
1 changed files with 12 additions and 8 deletions
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20
libImaging/BoxBlur.c
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@ -195,14 +195,16 @@ HorizontalBoxBlur(Imaging im, Imaging imOut, float floatRadius)
for (y = 0; y < im->ysize; y++) {
LineBoxBlur8(
im->image8[y],
(UINT8 *) lineOut,
(im == imOut ? (UINT8 *) lineOut : imOut->image8[y]),
im->xsize - 1,
radius, edgeA, edgeB,
ww, fw
);
// Commit.
for (x = 0; x < im->xsize; x++) {
imOut->image8[y][x] = ((UINT8 *)lineOut)[x];
if (im == imOut) {
// Commit.
for (x = 0; x < im->xsize; x++) {
imOut->image8[y][x] = ((UINT8 *)lineOut)[x];
}
}
}
}
@ -211,14 +213,16 @@ HorizontalBoxBlur(Imaging im, Imaging imOut, float floatRadius)
for (y = 0; y < im->ysize; y++) {
LineBoxBlur32(
(pixel *) im->image32[y],
lineOut,
im == imOut ? lineOut : (UINT32 *) imOut->image32[y],
im->xsize - 1,
radius, edgeA, edgeB,
ww, fw
);
// Commit.
for (x = 0; x < im->xsize; x++) {
imOut->image32[y][x] = lineOut[x];
if (im == imOut) {
// Commit.
for (x = 0; x < im->xsize; x++) {
imOut->image32[y][x] = lineOut[x];
}
}
}
}