From 7a64f7be80ac675b2eec079f8430de964afbc408 Mon Sep 17 00:00:00 2001
From: homm <homm86@gmail.com>
Date: Sun, 9 Nov 2014 02:27:43 +0300
Subject: [PATCH] Replace UINT32 assignment with per-channel UINT8 assignment

---
 libImaging/Antialias.c | 54 ++++++++++++++++++++----------------------
 1 file changed, 26 insertions(+), 28 deletions(-)

diff --git a/libImaging/Antialias.c b/libImaging/Antialias.c
index fd2ec51be..4b997eaa9 100644
--- a/libImaging/Antialias.c
+++ b/libImaging/Antialias.c
@@ -212,36 +212,39 @@ ImagingStretchHorizontal(Imaging imIn, int xsize, int filter)
             switch(imIn->type) {
             case IMAGING_TYPE_UINT8:
                 /* n-bit grayscale */
-                for (xx = 0; xx < xsize; xx++) {
-                    xmin = xbounds[xx * 2 + 0];
-                    xmax = xbounds[xx * 2 + 1];
-                    k = &kk[xx * kmax];
-                    if (imIn->bands == 2) {
+                if (imIn->bands == 2) {
+                    for (xx = 0; xx < xsize; xx++) {
+                        xmin = xbounds[xx * 2 + 0];
+                        xmax = xbounds[xx * 2 + 1];
+                        k = &kk[xx * kmax];
                         ss0 = ss1 = 0.5;
                         for (x = xmin; x < xmax; x++) {
                             ss0 += i2f((UINT8) imIn->image[yy][x*4 + 0]) * k[x - xmin];
                             ss1 += i2f((UINT8) imIn->image[yy][x*4 + 3]) * k[x - xmin];
                         }
-#ifdef WORDS_BIGENDIAN
-                        imOut->image32[yy][xx] = clip8(ss1) | clip8(ss0) << 24;
-#else
-                        imOut->image32[yy][xx] = clip8(ss0) | clip8(ss1) << 24;
-#endif
-                    } else if (imIn->bands == 3) {
+                        imOut->image[yy][xx*4 + 0] = clip8(ss0);
+                        imOut->image[yy][xx*4 + 3] = clip8(ss1);
+                    }
+                } else if (imIn->bands == 3) {
+                    for (xx = 0; xx < xsize; xx++) {
+                        xmin = xbounds[xx * 2 + 0];
+                        xmax = xbounds[xx * 2 + 1];
+                        k = &kk[xx * kmax];
                         ss0 = ss1 = ss2 = 0.5;
                         for (x = xmin; x < xmax; x++) {
                             ss0 += i2f((UINT8) imIn->image[yy][x*4 + 0]) * k[x - xmin];
                             ss1 += i2f((UINT8) imIn->image[yy][x*4 + 1]) * k[x - xmin];
                             ss2 += i2f((UINT8) imIn->image[yy][x*4 + 2]) * k[x - xmin];
                         }
-#ifdef WORDS_BIGENDIAN
-                        imOut->image32[yy][xx] =
-                            clip8(ss2) << 8 | clip8(ss1) << 16 | clip8(ss0) << 24;
-#else
-                        imOut->image32[yy][xx] =
-                            clip8(ss0) | clip8(ss1) << 8 | clip8(ss2) << 16;
-#endif
-                    } else {
+                        imOut->image[yy][xx*4 + 0] = clip8(ss0);
+                        imOut->image[yy][xx*4 + 1] = clip8(ss1);
+                        imOut->image[yy][xx*4 + 2] = clip8(ss2);
+                    }
+                } else {
+                    for (xx = 0; xx < xsize; xx++) {
+                        xmin = xbounds[xx * 2 + 0];
+                        xmax = xbounds[xx * 2 + 1];
+                        k = &kk[xx * kmax];
                         ss0 = ss1 = ss2 = ss3 = 0.5;
                         for (x = xmin; x < xmax; x++) {
                             ss0 += i2f((UINT8) imIn->image[yy][x*4 + 0]) * k[x - xmin];
@@ -249,15 +252,10 @@ ImagingStretchHorizontal(Imaging imIn, int xsize, int filter)
                             ss2 += i2f((UINT8) imIn->image[yy][x*4 + 2]) * k[x - xmin];
                             ss3 += i2f((UINT8) imIn->image[yy][x*4 + 3]) * k[x - xmin];
                         }
-#ifdef WORDS_BIGENDIAN
-                        imOut->image32[yy][xx] =
-                            clip8(ss3) | clip8(ss2) << 8 |
-                            clip8(ss1) << 16 | clip8(ss0) << 24;
-#else
-                        imOut->image32[yy][xx] =
-                            clip8(ss0) | clip8(ss1) << 8 |
-                            clip8(ss2) << 16 | clip8(ss3) << 24;
-#endif
+                        imOut->image[yy][xx*4 + 0] = clip8(ss0);
+                        imOut->image[yy][xx*4 + 1] = clip8(ss1);
+                        imOut->image[yy][xx*4 + 2] = clip8(ss2);
+                        imOut->image[yy][xx*4 + 3] = clip8(ss3);
                     }
                 }
                 break;