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less operations in loop

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homm 2014-11-07 03:57:00 +03:00
parent 32079b1dcc
commit a960d440db
1 changed files with 6 additions and 6 deletions
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12
libImaging/Geometry.c
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@ -132,7 +132,7 @@ ImagingTranspose(Imaging imOut, Imaging imIn)
{
ImagingSectionCookie cookie;
int x, y, xx, yy, xxsize, yysize;
int size = 64;
int size = 128;
if (!imOut || !imIn || strcmp(imIn->mode, imOut->mode) != 0)
return (Imaging) ImagingError_ModeError();
@ -142,11 +142,11 @@ ImagingTranspose(Imaging imOut, Imaging imIn)
#define TRANSPOSE(image) \
for (y = 0; y < imIn->ysize; y += size) { \
for (x = 0; x < imIn->xsize; x += size) { \
yysize = size < (imIn->ysize - y) ? size : (imIn->ysize - y); \
xxsize = size < (imIn->xsize - x) ? size : (imIn->xsize - x); \
for (yy = 0; yy < yysize; yy++) { \
for (xx = 0; xx < xxsize; xx++) { \
imOut->image[x + xx][y + yy] = imIn->image[y + yy][x + xx]; \
yysize = y + size < imIn->ysize ? y + size : imIn->ysize; \
xxsize = x + size < imIn->xsize ? x + size : imIn->xsize; \
for (yy = y; yy < yysize; yy++) { \
for (xx = x; xx < xxsize; xx++) { \
imOut->image[xx][yy] = imIn->image[yy][xx]; \
} \
} \
} \