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add imOut line pointers

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This commit is contained in:
Yay295 2022-08-25 10:35:48 -05:00
parent 0d56474150
commit f2e62179a6
1 changed files with 71 additions and 47 deletions
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118
src/libImaging/Reduce.c
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@ -22,6 +22,7 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
if (imIn->image8) {
for (y = 0; y < box[3] / yscale; y++) {
const int yy_from = box[1] + y * yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss = amend;
@ -45,12 +46,13 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
ss += line[xx + 0];
}
}
((UINT8 *)imOut->image[y])[x] = (ss * multiplier) >> 24;
out[x] = (ss * multiplier) >> 24;
}
}
} else {
for (y = 0; y < box[3] / yscale; y++) {
const int yy_from = box[1] + y * yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
@ -82,7 +84,7 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
}
const UINT32 v = MAKE_UINT32(
(ss0 * multiplier) >> 24, 0, 0, (ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -123,7 +125,7 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -169,7 +171,7 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
(ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -188,6 +190,7 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
if (imIn->image8) {
for (y = 0; y < box[3] / yscale; y++) {
const int yy_from = box[1] + y * yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
UINT32 ss = amend;
@ -200,12 +203,13 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
const UINT8 *line = (UINT8 *)imIn->image[yy];
ss += line[xx + 0];
}
((UINT8 *)imOut->image[y])[x] = (ss * multiplier) >> 24;
out[x] = (ss * multiplier) >> 24;
}
}
} else {
for (y = 0; y < box[3] / yscale; y++) {
const int yy_from = box[1] + y * yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -223,7 +227,7 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
}
const UINT32 v = MAKE_UINT32(
(ss0 * multiplier) >> 24, 0, 0, (ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -247,7 +251,7 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -273,7 +277,7 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
(ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -293,6 +297,7 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line = (UINT8 *)imIn->image[yy];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss = amend;
@ -302,13 +307,14 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
if (xscale & 0x01) {
ss += line[xx + 0];
}
((UINT8 *)imOut->image[y])[x] = (ss * multiplier) >> 24;
out[x] = (ss * multiplier) >> 24;
}
}
} else {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line = (UINT8 *)imIn->image[yy];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
@ -323,7 +329,7 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
}
const UINT32 v = MAKE_UINT32(
(ss0 * multiplier) >> 24, 0, 0, (ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -344,7 +350,7 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -367,7 +373,7 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
(ss1 * multiplier) >> 24,
(ss2 * multiplier) >> 24,
(ss3 * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -388,10 +394,11 @@ ImagingReduce1x2(Imaging imOut, Imaging imIn, int box[4]) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line1[xx + 0];
((UINT8 *)imOut->image[y])[x] = (ss0 + amend) >> 1;
out[x] = (ss0 + amend) >> 1;
}
}
} else {
@ -399,13 +406,14 @@ ImagingReduce1x2(Imaging imOut, Imaging imIn, int box[4]) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line1[xx * 4 + 0];
ss3 = line0[xx * 4 + 3] + line1[xx * 4 + 3];
const UINT32 v = MAKE_UINT32((ss0 + amend) >> 1, 0, 0, (ss3 + amend) >> 1);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -415,7 +423,7 @@ ImagingReduce1x2(Imaging imOut, Imaging imIn, int box[4]) {
ss2 = line0[xx * 4 + 2] + line1[xx * 4 + 2];
const UINT32 v = MAKE_UINT32(
(ss0 + amend) >> 1, (ss1 + amend) >> 1, (ss2 + amend) >> 1, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -429,7 +437,7 @@ ImagingReduce1x2(Imaging imOut, Imaging imIn, int box[4]) {
(ss1 + amend) >> 1,
(ss2 + amend) >> 1,
(ss3 + amend) >> 1);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -449,23 +457,25 @@ ImagingReduce2x1(Imaging imOut, Imaging imIn, int box[4]) {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line0[xx + 1];
((UINT8 *)imOut->image[y])[x] = (ss0 + amend) >> 1;
out[x] = (ss0 + amend) >> 1;
}
}
} else {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4];
ss3 = line0[xx * 4 + 3] + line0[xx * 4 + 7];
const UINT32 v = MAKE_UINT32((ss0 + amend) >> 1, 0, 0, (ss3 + amend) >> 1);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -475,7 +485,7 @@ ImagingReduce2x1(Imaging imOut, Imaging imIn, int box[4]) {
ss2 = line0[xx * 4 + 2] + line0[xx * 4 + 6];
const UINT32 v = MAKE_UINT32(
(ss0 + amend) >> 1, (ss1 + amend) >> 1, (ss2 + amend) >> 1, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -489,7 +499,7 @@ ImagingReduce2x1(Imaging imOut, Imaging imIn, int box[4]) {
(ss1 + amend) >> 1,
(ss2 + amend) >> 1,
(ss3 + amend) >> 1);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -510,10 +520,11 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line0[xx + 1] + line1[xx + 0] + line1[xx + 1];
((UINT8 *)imOut->image[y])[x] = (ss0 + amend) >> 2;
out[x] = (ss0 + amend) >> 2;
}
}
} else {
@ -521,6 +532,7 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -529,7 +541,7 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
ss3 = line0[xx * 4 + 3] + line0[xx * 4 + 7] + line1[xx * 4 + 3] +
line1[xx * 4 + 7];
const UINT32 v = MAKE_UINT32((ss0 + amend) >> 2, 0, 0, (ss3 + amend) >> 2);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -542,7 +554,7 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
line1[xx * 4 + 6];
const UINT32 v = MAKE_UINT32(
(ss0 + amend) >> 2, (ss1 + amend) >> 2, (ss2 + amend) >> 2, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -560,7 +572,7 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
(ss1 + amend) >> 2,
(ss2 + amend) >> 2,
(ss3 + amend) >> 2);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -583,10 +595,11 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line1[xx + 0] + line2[xx + 0];
((UINT8 *)imOut->image[y])[x] = ((ss0 + amend) * multiplier) >> 24;
out[x] = ((ss0 + amend) * multiplier) >> 24;
}
}
} else {
@ -595,6 +608,7 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -605,7 +619,7 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
0,
0,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -618,7 +632,7 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -632,7 +646,7 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -653,16 +667,18 @@ ImagingReduce3x1(Imaging imOut, Imaging imIn, int box[4]) {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line0[xx + 1] + line0[xx + 2];
((UINT8 *)imOut->image[y])[x] = ((ss0 + amend) * multiplier) >> 24;
out[x] = ((ss0 + amend) * multiplier) >> 24;
}
}
} else {
for (y = 0; y < box[3] / yscale; y++) {
const int yy = box[1] + y * yscale;
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -673,7 +689,7 @@ ImagingReduce3x1(Imaging imOut, Imaging imIn, int box[4]) {
0,
0,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -686,7 +702,7 @@ ImagingReduce3x1(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -700,7 +716,7 @@ ImagingReduce3x1(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -723,12 +739,13 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line0[xx + 1] + line0[xx + 2] + line1[xx + 0] +
line1[xx + 1] + line1[xx + 2] + line2[xx + 0] + line2[xx + 1] +
line2[xx + 2];
((UINT8 *)imOut->image[y])[x] = ((ss0 + amend) * multiplier) >> 24;
out[x] = ((ss0 + amend) * multiplier) >> 24;
}
}
} else {
@ -737,6 +754,7 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line0 = (UINT8 *)imIn->image[yy + 0];
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -751,7 +769,7 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
0,
0,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -770,7 +788,7 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -792,7 +810,7 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
((ss1 + amend) * multiplier) >> 24,
((ss2 + amend) * multiplier) >> 24,
((ss3 + amend) * multiplier) >> 24);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -815,13 +833,14 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
const UINT8 *line3 = (UINT8 *)imIn->image[yy + 3];
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx + 0] + line0[xx + 1] + line0[xx + 2] + line0[xx + 3] +
line1[xx + 0] + line1[xx + 1] + line1[xx + 2] + line1[xx + 3] +
line2[xx + 0] + line2[xx + 1] + line2[xx + 2] + line2[xx + 3] +
line3[xx + 0] + line3[xx + 1] + line3[xx + 2] + line3[xx + 3];
((UINT8 *)imOut->image[y])[x] = (ss0 + amend) >> 4;
out[x] = (ss0 + amend) >> 4;
}
}
} else {
@ -831,6 +850,7 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
const UINT8 *line1 = (UINT8 *)imIn->image[yy + 1];
const UINT8 *line2 = (UINT8 *)imIn->image[yy + 2];
const UINT8 *line3 = (UINT8 *)imIn->image[yy + 3];
UINT8 *out = (UINT8 *)imOut->image[y];
if (imIn->bands == 2) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
@ -847,7 +867,7 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
line3[xx * 4 + 3] + line3[xx * 4 + 7] + line3[xx * 4 + 11] +
line3[xx * 4 + 15];
const UINT32 v = MAKE_UINT32((ss0 + amend) >> 4, 0, 0, (ss3 + amend) >> 4);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 3) {
for (x = 0; x < box[2] / xscale; x++) {
@ -872,7 +892,7 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
line3[xx * 4 + 14];
const UINT32 v = MAKE_UINT32(
(ss0 + amend) >> 4, (ss1 + amend) >> 4, (ss2 + amend) >> 4, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
@ -906,7 +926,7 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
(ss1 + amend) >> 4,
(ss2 + amend) >> 4,
(ss3 + amend) >> 4);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
memcpy(out + x * sizeof(v), &v, sizeof(v));
}
}
}
@ -1113,6 +1133,7 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
const UINT32 multiplier = division_UINT32(scale, 8);
const UINT32 amend = scale / 2;
y = box[3] / yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss = amend;
@ -1122,7 +1143,7 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
ss += line[xx + 0];
}
}
((UINT8 *)imOut->image[y])[x] = (ss * multiplier) >> 24;
out[x] = (ss * multiplier) >> 24;
}
}
if (box[2] % xscale && box[3] % yscale) {
@ -1149,6 +1170,7 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
const int yy_from = box[1] + y * yscale;
UINT32 ss0 = amend, ss1 = amend;
x = box[2] / xscale;
UINT8 *out = (UINT8 *)imOut->image[y] + x * 2;
for (yy = yy_from; yy < yy_from + yscale; yy++) {
const UINT8 *line = (UINT8 *)imIn->image[yy];
@ -1157,8 +1179,8 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
ss1 += line[xx * 2 + 1];
}
}
((UINT8 *)imOut->image[y])[x * 2 + 0] = (ss0 * multiplier) >> 24;
((UINT8 *)imOut->image[y])[x * 2 + 1] = (ss1 * multiplier) >> 24;
out[0] = (ss0 * multiplier) >> 24;
out[1] = (ss1 * multiplier) >> 24;
}
}
if (box[3] % yscale) {
@ -1166,6 +1188,7 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
const UINT32 multiplier = division_UINT32(scale, 8);
const UINT32 amend = scale / 2;
y = box[3] / yscale;
UINT8 *out = (UINT8 *)imOut->image[y];
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss0 = amend, ss1 = amend;
@ -1176,8 +1199,8 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
ss1 += line[xx * 2 + 1];
}
}
((UINT8 *)imOut->image[y])[x * 2 + 0] = (ss0 * multiplier) >> 24;
((UINT8 *)imOut->image[y])[x * 2 + 1] = (ss1 * multiplier) >> 24;
out[x * 2 + 0] = (ss0 * multiplier) >> 24;
out[x * 2 + 1] = (ss1 * multiplier) >> 24;
}
}
if (box[2] % xscale && box[3] % yscale) {
@ -1187,6 +1210,7 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
UINT32 ss0 = amend, ss1 = amend;
x = box[2] / xscale;
y = box[3] / yscale;
UINT8 *out = (UINT8 *)imOut->image[y] + x * 2;
for (yy = box[1] + y * yscale; yy < box[1] + box[3]; yy++) {
const UINT8 *line = (UINT8 *)imIn->image[yy];
for (xx = box[0] + x * xscale; xx < box[0] + box[2]; xx++) {
@ -1194,8 +1218,8 @@ ImagingReduceCorners(Imaging imOut, Imaging imIn, int box[4], int xscale, int ys
ss1 += line[xx * 2 + 1];
}
}
((UINT8 *)imOut->image[y])[x * 2 + 0] = (ss0 * multiplier) >> 24;
((UINT8 *)imOut->image[y])[x * 2 + 1] = (ss1 * multiplier) >> 24;
out[0] = (ss0 * multiplier) >> 24;
out[1] = (ss1 * multiplier) >> 24;
}
} else if (imIn->pixelsize == 4) {
if (box[2] % xscale) {