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allocate new image outside of ResampleHorizontal/ResampleVertical

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This commit is contained in:
homm 2016-11-30 05:27:20 +03:00
parent 44e443fa75
commit 4079c7f192
1 changed files with 33 additions and 54 deletions
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87
libImaging/Resample.c
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@ -238,11 +238,10 @@ normalize_coeffs_8bpc(int outSize, int kmax, double *prekk, INT32 **kkp)
Imaging
ImagingResampleHorizontal_8bpc(Imaging imIn, float x0, float x1, int xsize,
struct filter *filterp)
ImagingResampleHorizontal_8bpc(Imaging imOut, Imaging imIn, float x0, float x1,
int xsize, struct filter *filterp)
{
ImagingSectionCookie cookie;
Imaging imOut;
int ss0, ss1, ss2, ss3;
int xx, yy, x, kmax, xmin, xmax;
int *xbounds;
@ -262,13 +261,6 @@ ImagingResampleHorizontal_8bpc(Imaging imIn, float x0, float x1, int xsize,
return (Imaging) ImagingError_MemoryError();
}
imOut = ImagingNew(imIn->mode, xsize, imIn->ysize);
if ( ! imOut) {
free(kk);
free(xbounds);
return NULL;
}
ImagingSectionEnter(&cookie);
if (imIn->image8) {
for (yy = 0; yy < imOut->ysize; yy++) {
@ -336,8 +328,8 @@ ImagingResampleHorizontal_8bpc(Imaging imIn, float x0, float x1, int xsize,
}
}
}
ImagingSectionLeave(&cookie);
free(kk);
free(xbounds);
return imOut;
@ -345,11 +337,10 @@ ImagingResampleHorizontal_8bpc(Imaging imIn, float x0, float x1, int xsize,
Imaging
ImagingResampleVertical_8bpc(Imaging imIn, float y0, float y1, int ysize,
struct filter *filterp)
ImagingResampleVertical_8bpc(Imaging imOut, Imaging imIn, float y0, float y1,
int ysize, struct filter *filterp)
{
ImagingSectionCookie cookie;
Imaging imOut;
int ss0, ss1, ss2, ss3;
int xx, yy, y, kmax, ymin, ymax;
int *xbounds;
@ -369,13 +360,6 @@ ImagingResampleVertical_8bpc(Imaging imIn, float y0, float y1, int ysize,
return (Imaging) ImagingError_MemoryError();
}
imOut = ImagingNew(imIn->mode, imIn->xsize, ysize);
if ( ! imOut) {
free(kk);
free(xbounds);
return NULL;
}
ImagingSectionEnter(&cookie);
if (imIn->image8) {
for (yy = 0; yy < ysize; yy++) {
@ -443,8 +427,8 @@ ImagingResampleVertical_8bpc(Imaging imIn, float y0, float y1, int ysize,
}
}
}
ImagingSectionLeave(&cookie);
free(kk);
free(xbounds);
return imOut;
@ -452,11 +436,10 @@ ImagingResampleVertical_8bpc(Imaging imIn, float y0, float y1, int ysize,
Imaging
ImagingResampleHorizontal_32bpc(Imaging imIn, float x0, float x1, int xsize,
struct filter *filterp)
ImagingResampleHorizontal_32bpc(Imaging imOut, Imaging imIn, float x0, float x1,
int xsize, struct filter *filterp)
{
ImagingSectionCookie cookie;
Imaging imOut;
double ss;
int xx, yy, x, kmax, xmin, xmax;
int *xbounds;
@ -468,13 +451,6 @@ ImagingResampleHorizontal_32bpc(Imaging imIn, float x0, float x1, int xsize,
return (Imaging) ImagingError_MemoryError();
}
imOut = ImagingNew(imIn->mode, xsize, imIn->ysize);
if ( ! imOut) {
free(kk);
free(xbounds);
return NULL;
}
ImagingSectionEnter(&cookie);
switch(imIn->type) {
case IMAGING_TYPE_INT32:
@ -505,8 +481,8 @@ ImagingResampleHorizontal_32bpc(Imaging imIn, float x0, float x1, int xsize,
}
break;
}
ImagingSectionLeave(&cookie);
free(kk);
free(xbounds);
return imOut;
@ -514,11 +490,10 @@ ImagingResampleHorizontal_32bpc(Imaging imIn, float x0, float x1, int xsize,
Imaging
ImagingResampleVertical_32bpc(Imaging imIn, float y0, float y1, int ysize,
struct filter *filterp)
ImagingResampleVertical_32bpc(Imaging imOut, Imaging imIn, float y0, float y1,
int ysize, struct filter *filterp)
{
ImagingSectionCookie cookie;
Imaging imOut;
double ss;
int xx, yy, y, kmax, ymin, ymax;
int *xbounds;
@ -530,13 +505,6 @@ ImagingResampleVertical_32bpc(Imaging imIn, float y0, float y1, int ysize,
return (Imaging) ImagingError_MemoryError();
}
imOut = ImagingNew(imIn->mode, imIn->xsize, ysize);
if ( ! imOut) {
free(kk);
free(xbounds);
return NULL;
}
ImagingSectionEnter(&cookie);
switch(imIn->type) {
case IMAGING_TYPE_INT32:
@ -567,16 +535,16 @@ ImagingResampleVertical_32bpc(Imaging imIn, float y0, float y1, int ysize,
}
break;
}
ImagingSectionLeave(&cookie);
free(kk);
free(xbounds);
return imOut;
}
typedef Imaging (*ResampleFunction)(Imaging imIn, float x0, float x1, int xsize,
struct filter *filterp);
typedef Imaging (*ResampleFunction)(Imaging imOut, Imaging imIn,
float x0, float x1, int xsize, struct filter *filterp);
Imaging
@ -637,21 +605,32 @@ ImagingResample(Imaging imIn, int xsize, int ysize, int filter, float roi[4])
/* two-pass resize, first pass */
if (roi[0] || roi[2] != xsize) {
imTemp = ResampleHorizontal(imIn, roi[0], roi[2], xsize, filterp);
if ( ! imTemp)
imTemp = ImagingNew(imIn->mode, xsize, imIn->ysize);
if ( ! imTemp) {
return NULL;
}
if ( ! ResampleHorizontal(imTemp, imIn, roi[0], roi[2], xsize, filterp)) {
ImagingDelete(imTemp);
return NULL;
}
imOut = imIn = imTemp;
}
/* second pass */
if (roi[1] || roi[3] != ysize) {
/* imIn can be the original image or horizontally resampled one */
imOut = ResampleVertical(imIn, roi[1], roi[3], ysize, filterp);
/* it's safe to call ImagingDelete with empty value
if there was no previous step. */
ImagingDelete(imTemp);
if ( ! imOut)
imOut = ImagingNew(imIn->mode, imIn->xsize, ysize);
if ( ! imOut) {
return NULL;
}
/* imIn can be the original image or horizontally resampled one */
if ( ! ResampleVertical(imOut, imIn, roi[1], roi[3], ysize, filterp)) {
ImagingDelete(imTemp);
ImagingDelete(imOut);
return NULL;
}
/* it's safe to call ImagingDelete with empty value
if previous step was not performed. */
ImagingDelete(imTemp);
}
/* none of the previous steps are performed, copying */