feat: jpeg image rendering, desktop backgrounds, fix memory regression

2026-02-27 19:01:07 +01:00
parent f28b850db2
commit e95089192f
19 changed files with 9019 additions and 29 deletions
@@ -0,0 +1,30 @@
+/*
+ * stb_image_impl.c
+ * Single compilation unit for stb_image JPEG decoder on ZenithOS
+ * Copyright (c) 2026 Daniel Hammer
+ */
+
+#include <stdlib.h>
+#include <string.h>
+
+/* Only enable JPEG; disable everything else. */
+#define STBI_ONLY_JPEG
+#define STBI_NO_PNG
+#define STBI_NO_BMP
+#define STBI_NO_PSD
+#define STBI_NO_TGA
+#define STBI_NO_GIF
+#define STBI_NO_HDR
+#define STBI_NO_PIC
+#define STBI_NO_PNM
+#define STBI_NO_LINEAR
+#define STBI_NO_STDIO
+#define STBI_NO_THREAD_LOCALS
+
+/* Route allocations through libc (which uses ZenithOS heap). */
+#define STBI_MALLOC(sz)         malloc(sz)
+#define STBI_FREE(p)            free(p)
+#define STBI_REALLOC(p, newsz)  realloc(p, newsz)
+
+#define STB_IMAGE_IMPLEMENTATION
+#include <gui/stb_image.h>