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check for bands=4 instead of using it by default

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this should make it more apparent that something has failed if we ever add an image type with more than four bands
This commit is contained in:
Yay295 2022-08-25 08:59:37 -05:00
parent c2ca63686d
commit ecbffaa5e9
1 changed files with 11 additions and 11 deletions
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22
src/libImaging/Reduce.c
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@ -125,7 +125,7 @@ ImagingReduceNxN(Imaging imOut, Imaging imIn, int box[4], int xscale, int yscale
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss0 = amend, ss1 = amend, ss2 = amend, ss3 = amend;
@ -249,7 +249,7 @@ ImagingReduce1xN(Imaging imOut, Imaging imIn, int box[4], int yscale) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
UINT32 ss0 = amend, ss1 = amend, ss2 = amend, ss3 = amend;
@ -346,7 +346,7 @@ ImagingReduceNx1(Imaging imOut, Imaging imIn, int box[4], int xscale) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx_from = box[0] + x * xscale;
UINT32 ss0 = amend, ss1 = amend, ss2 = amend, ss3 = amend;
@ -417,7 +417,7 @@ ImagingReduce1x2(Imaging imOut, Imaging imIn, int box[4]) {
(ss0 + amend) >> 1, (ss1 + amend) >> 1, (ss2 + amend) >> 1, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line1[xx * 4 + 0];
@ -477,7 +477,7 @@ ImagingReduce2x1(Imaging imOut, Imaging imIn, int box[4]) {
(ss0 + amend) >> 1, (ss1 + amend) >> 1, (ss2 + amend) >> 1, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4];
@ -544,7 +544,7 @@ ImagingReduce2x2(Imaging imOut, Imaging imIn, int box[4]) {
(ss0 + amend) >> 2, (ss1 + amend) >> 2, (ss2 + amend) >> 2, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4] + line1[xx * 4 + 0] +
@ -620,7 +620,7 @@ ImagingReduce1x3(Imaging imOut, Imaging imIn, int box[4]) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line1[xx * 4 + 0] + line2[xx * 4 + 0];
@ -688,7 +688,7 @@ ImagingReduce3x1(Imaging imOut, Imaging imIn, int box[4]) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4] + line0[xx * 4 + 8];
@ -772,7 +772,7 @@ ImagingReduce3x3(Imaging imOut, Imaging imIn, int box[4]) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4] + line0[xx * 4 + 8] +
@ -874,7 +874,7 @@ ImagingReduce4x4(Imaging imOut, Imaging imIn, int box[4]) {
(ss0 + amend) >> 4, (ss1 + amend) >> 4, (ss2 + amend) >> 4, 0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4] + line0[xx * 4 + 8] +
@ -1016,7 +1016,7 @@ ImagingReduce5x5(Imaging imOut, Imaging imIn, int box[4]) {
0);
memcpy(imOut->image[y] + x * sizeof(v), &v, sizeof(v));
}
} else { // bands == 4
} else if (imIn->bands == 4) {
for (x = 0; x < box[2] / xscale; x++) {
const int xx = box[0] + x * xscale;
ss0 = line0[xx * 4 + 0] + line0[xx * 4 + 4] + line0[xx * 4 + 8] +