SDL_image: rename local vars 'pixel' to 'pixelvalue' or 'pixels'

From be5641a45118fcbc77119917dccbd3f79d0c6f4e Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Tue, 8 Apr 2025 17:40:10 +0300
Subject: [PATCH] rename local vars 'pixel' to 'pixelvalue' or 'pixels'

Reference issue: https://github.com/libsdl-org/SDL/issues/12749.
---
 src/IMG_avif.c  | 18 +++++++++---------
 src/IMG_bmp.c   | 24 ++++++++++++------------
 src/IMG_tga.c   |  6 +++---
 src/IMG_xpm.c   | 10 +++++-----
 src/stb_image.h | 24 ++++++++++++------------
 5 files changed, 41 insertions(+), 41 deletions(-)

diff --git a/src/IMG_avif.c b/src/IMG_avif.c
index b5685a505..27e506d05 100644
--- a/src/IMG_avif.c
+++ b/src/IMG_avif.c
@@ -154,7 +154,7 @@ static bool ReadAVIFHeader(SDL_IOStream *src, Uint8 **header_data, size_t *heade
 
     size = (((Uint64)magic[0] << 24) |
             ((Uint64)magic[1] << 16) |
-            ((Uint64)magic[2] << 8) |
+            ((Uint64)magic[2] << 8)  |
             ((Uint64)magic[3] << 0));
     if (size == 1) {
         /* 64-bit header size */
@@ -163,13 +163,13 @@ static bool ReadAVIFHeader(SDL_IOStream *src, Uint8 **header_data, size_t *heade
         }
         read += 8;
 
-        size = (((Uint64)magic[8] << 56) |
-                ((Uint64)magic[9] << 48) |
+        size = (((Uint64)magic[8] << 56)  |
+                ((Uint64)magic[9] << 48)  |
                 ((Uint64)magic[10] << 40) |
                 ((Uint64)magic[11] << 32) |
                 ((Uint64)magic[12] << 24) |
                 ((Uint64)magic[13] << 16) |
-                ((Uint64)magic[14] << 8) |
+                ((Uint64)magic[14] << 8)  |
                 ((Uint64)magic[15] << 0));
     }
 
@@ -592,12 +592,12 @@ static bool IMG_SaveAVIF_IO_libavif(SDL_Surface *surface, SDL_IOStream *dst, int
         while (height--) {
             width = image->width;
             while (width--) {
-                Uint32 pixel = *src++;
+                Uint32 pixelvalue = *src++;
 
-                *dst16++ = (pixel >> 20) & 0x3FF;
-                *dst16++ = (pixel >> 10) & 0x3FF;
-                *dst16++ = (pixel >> 0) & 0x3FF;
-                *dst16++ = expand_alpha[(pixel >> 30) & 0x3];
+                *dst16++ = (pixelvalue >> 20) & 0x3FF;
+                *dst16++ = (pixelvalue >> 10) & 0x3FF;
+                *dst16++ = (pixelvalue >> 0) & 0x3FF;
+                *dst16++ = expand_alpha[(pixelvalue >> 30) & 0x3];
             }
             src = (Uint32 *)(((Uint8 *)src) + srcskip);
         }
diff --git a/src/IMG_bmp.c b/src/IMG_bmp.c
index 49ef7657a..499463961 100644
--- a/src/IMG_bmp.c
+++ b/src/IMG_bmp.c
@@ -352,33 +352,33 @@ static SDL_Surface *LoadICOCUR_IO(SDL_IOStream * src, int type, bool closeio)
         case 4:
         case 8:
             {
-                Uint8 pixel = 0;
+                Uint8 pixelvalue = 0;
                 int shift = (8 - ExpandBMP);
                 for (i = 0; i < surface->w; ++i) {
                     if (i % (8 / ExpandBMP) == 0) {
-                        if (SDL_ReadIO(src, &pixel, 1) != 1) {
+                        if (SDL_ReadIO(src, &pixelvalue, 1) != 1) {
                             goto done;
                         }
                     }
-                    *((Uint32 *) bits + i) = (palette[pixel >> shift]);
-                    pixel <<= ExpandBMP;
+                    *((Uint32 *) bits + i) = (palette[pixelvalue >> shift]);
+                    pixelvalue <<= ExpandBMP;
                 }
             }
             break;
         case 24:
             {
-                Uint32 pixel;
+                Uint32 pixelvalue;
                 Uint8 channel;
                 for (i = 0; i < surface->w; ++i) {
-                    pixel = 0xFF000000;
+                    pixelvalue = 0xFF000000;
                     for (j = 0; j < 3; ++j) {
                         /* Load each color channel into pixel */
                         if (SDL_ReadIO(src, &channel, 1) != 1) {
                             goto done;
                         }
-                        pixel |= (channel << (j * 8));
+                        pixelvalue |= (channel << (j * 8));
                     }
-                    *((Uint32 *) bits + i) = pixel;
+                    *((Uint32 *) bits + i) = pixelvalue;
                 }
             }
             break;
@@ -405,18 +405,18 @@ static SDL_Surface *LoadICOCUR_IO(SDL_IOStream * src, int type, bool closeio)
     bmpPitch = (biWidth + 7) >> 3;
     pad = (((bmpPitch) % 4) ? (4 - ((bmpPitch) % 4)) : 0);
     while (bits > (Uint8 *) surface->pixels) {
-        Uint8 pixel = 0;
+        Uint8 pixelvalue = 0;
         int shift = (8 - ExpandBMP);
 
         bits -= surface->pitch;
         for (i = 0; i < surface->w; ++i) {
             if (i % (8 / ExpandBMP) == 0) {
-                if (SDL_ReadIO(src, &pixel, 1) != 1) {
+                if (SDL_ReadIO(src, &pixelvalue, 1) != 1) {
                     goto done;
                 }
             }
-            *((Uint32 *) bits + i) &= ((pixel >> shift) ? 0 : 0xFFFFFFFF);
-            pixel <<= ExpandBMP;
+            *((Uint32 *) bits + i) &= ((pixelvalue >> shift) ? 0 : 0xFFFFFFFF);
+            pixelvalue <<= ExpandBMP;
         }
         /* Skip padding bytes, ugh */
         if (pad) {
diff --git a/src/IMG_tga.c b/src/IMG_tga.c
index 92ace3df6..42c7dcfd0 100644
--- a/src/IMG_tga.c
+++ b/src/IMG_tga.c
@@ -97,7 +97,7 @@ SDL_Surface *IMG_LoadTGA_IO(SDL_IOStream *src)
     int i;
     int bpp;
     int lstep;
-    Uint32 pixel;
+    Uint32 pixelvalue;
     int count, rep;
 
     if ( !src ) {
@@ -283,7 +283,7 @@ SDL_Surface *IMG_LoadTGA_IO(SDL_IOStream *src)
                         n = w - x;
                     rep -= n;
                     while (n--) {
-                        SDL_memcpy(dst + x * bpp, &pixel, bpp);
+                        SDL_memcpy(dst + x * bpp, &pixelvalue, bpp);
                         x++;
                     }
                     if (x == w)
@@ -295,7 +295,7 @@ SDL_Surface *IMG_LoadTGA_IO(SDL_IOStream *src)
                     goto error;
                 }
                 if (c & 0x80) {
-                    if (SDL_ReadIO(src, &pixel, bpp) != (size_t)bpp) {
+                    if (SDL_ReadIO(src, &pixelvalue, bpp) != (size_t)bpp) {
                         error = "Error reading TGA data";
                         goto error;
                     }
diff --git a/src/IMG_xpm.c b/src/IMG_xpm.c
index 8b67f593d..fe98ce0f3 100644
--- a/src/IMG_xpm.c
+++ b/src/IMG_xpm.c
@@ -1095,7 +1095,7 @@ static SDL_Surface *load_xpm(char **xpm, SDL_IOStream *src, bool force_32bit)
         for (;;) {
             char nametype;
             char *colname;
-            Uint32 argb, pixel;
+            Uint32 argb, pixelvalue;
 
             SKIPSPACE(p);
             if (!*p) {
@@ -1120,14 +1120,14 @@ static SDL_Surface *load_xpm(char **xpm, SDL_IOStream *src, bool force_32bit)
                 c->r = (Uint8)(argb >> 16);
                 c->g = (Uint8)(argb >> 8);
                 c->b = (Uint8)(argb);
-                pixel = index;
+                pixelvalue = index;
                 if (argb == 0x00000000) {
-                    SDL_SetSurfaceColorKey(image, true, pixel);
+                    SDL_SetSurfaceColorKey(image, true, pixelvalue);
                 }
             } else {
-                pixel = argb;
+                pixelvalue = argb;
             }
-            add_colorhash(colors, nextkey, cpp, pixel);
+            add_colorhash(colors, nextkey, cpp, pixelvalue);
             nextkey += cpp;
             break;
         }
diff --git a/src/stb_image.h b/src/stb_image.h
index 7147a7a1c..cda1aec6c 100644
--- a/src/stb_image.h
+++ b/src/stb_image.h
@@ -6473,26 +6473,26 @@ static void *stbi__psd_load(stbi__context *s, int *x, int *y, int *comp, int req
    if (channelCount >= 4) {
       if (ri->bits_per_channel == 16) {
          for (i=0; i < w*h; ++i) {
-            stbi__uint16 *pixel = (stbi__uint16 *) out + 4*i;
-            if (pixel[3] != 0 && pixel[3] != 65535) {
-               float a = pixel[3] / 65535.0f;
+            stbi__uint16 *pixels = (stbi__uint16 *) out + 4*i;
+            if (pixels[3] != 0 && pixels[3] != 65535) {
+               float a = pixels[3] / 65535.0f;
                float ra = 1.0f / a;
                float inv_a = 65535.0f * (1 - ra);
-               pixel[0] = (stbi__uint16) (pixel[0]*ra + inv_a);
-               pixel[1] = (stbi__uint16) (pixel[1]*ra + inv_a);
-               pixel[2] = (stbi__uint16) (pixel[2]*ra + inv_a);
+               pixels[0] = (stbi__uint16) (pixels[0]*ra + inv_a);
+               pixels[1] = (stbi__uint16) (pixels[1]*ra + inv_a);
+               pixels[2] = (stbi__uint16) (pixels[2]*ra + inv_a);
             }
          }
       } else {
          for (i=0; i < w*h; ++i) {
-            unsigned char *pixel = out + 4*i;
-            if (pixel[3] != 0 && pixel[3] != 255) {
-               float a = pixel[3] / 255.0f;
+            unsigned char *pixels = out + 4*i;
+            if (pixels[3] != 0 && pixels[3] != 255) {
+               float a = pixels[3] / 255.0f;
                float ra = 1.0f / a;
                float inv_a = 255.0f * (1 - ra);
-               pixel[0] = (unsigned char) (pixel[0]*ra + inv_a);
-               pixel[1] = (unsigned char) (pixel[1]*ra + inv_a);
-               pixel[2] = (unsigned char) (pixel[2]*ra + inv_a);
+               pixels[0] = (unsigned char) (pixels[0]*ra + inv_a);
+               pixels[1] = (unsigned char) (pixels[1]*ra + inv_a);
+               pixels[2] = (unsigned char) (pixels[2]*ra + inv_a);
             }
          }
       }