SDL_image: examples: fix 'conversion from float to int' warning

SDL Commits
1 
From e99175cc04ceb803decb73ab7127dd65cddfbd04 Mon Sep 17 00:00:00 2001
From: Anonymous Maarten <[EMAIL REDACTED]>
Date: Sun, 18 Jun 2023 12:13:24 +0200
Subject: [PATCH] examples: fix 'conversion from float to int' warning

---
 examples/showanim.c  | 9 +++++----
 examples/showimage.c | 9 +++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/examples/showanim.c b/examples/showanim.c
index 5e476ac8..3b59acb5 100644
--- a/examples/showanim.c
+++ b/examples/showanim.c
@@ -33,11 +33,12 @@ static void draw_background(SDL_Renderer *renderer, int w, int h)
     };
     int i, x, y;
     SDL_FRect rect;
+    const int dx = 8, dy = 8;
 
-    rect.w = 8.0f;
-    rect.h = 8.0f;
-    for (y = 0; y < h; y += rect.h) {
-        for (x = 0; x < w; x += rect.w) {
+    rect.w = (float)dx;
+    rect.h = (float)dy;
+    for (y = 0; y < h; y += dy) {
+        for (x = 0; x < w; x += dx) {
             /* use an 8x8 checkerboard pattern */
             i = (((x ^ y) >> 3) & 1);
             SDL_SetRenderDrawColor(renderer, col[i].r, col[i].g, col[i].b, col[i].a);
diff --git a/examples/showimage.c b/examples/showimage.c
index 372dd262..80d6fe3c 100644
--- a/examples/showimage.c
+++ b/examples/showimage.c
@@ -33,11 +33,12 @@ static void draw_background(SDL_Renderer *renderer, int w, int h)
     };
     int i, x, y;
     SDL_FRect rect;
+    const int dx = 8, dy = 8;
 
-    rect.w = 8.0f;
-    rect.h = 8.0f;
-    for (y = 0; y < h; y += rect.h) {
-        for (x = 0; x < w; x += rect.w) {
+    rect.w = (float)dx;
+    rect.h = (float)dy;
+    for (y = 0; y < h; y += dy) {
+        for (x = 0; x < w; x += dx) {
             /* use an 8x8 checkerboard pattern */
             i = (((x ^ y) >> 3) & 1);
             SDL_SetRenderDrawColor(renderer, col[i].r, col[i].g, col[i].b, col[i].a);