diff --git a/scripts/lv_conf_internal_gen.py b/scripts/lv_conf_internal_gen.py
index da5dd8e0d1..e283918a77 100755
--- a/scripts/lv_conf_internal_gen.py
+++ b/scripts/lv_conf_internal_gen.py
@@ -170,6 +170,8 @@ fout.write(
 
 #ifndef __ASSEMBLY__
 LV_EXPORT_CONST_INT(LV_DPI_DEF);
+LV_EXPORT_CONST_INT(LV_DRAW_BUF_STRIDE_ALIGN);
+LV_EXPORT_CONST_INT(LV_DRAW_BUF_ALIGN);
 #endif
 
 #undef _LV_KCONFIG_PRESENT
diff --git a/src/lv_conf_internal.h b/src/lv_conf_internal.h
index b0364d6c78..98d5f28aa5 100644
--- a/src/lv_conf_internal.h
+++ b/src/lv_conf_internal.h
@@ -2958,6 +2958,8 @@
 
 #ifndef __ASSEMBLY__
 LV_EXPORT_CONST_INT(LV_DPI_DEF);
+LV_EXPORT_CONST_INT(LV_DRAW_BUF_STRIDE_ALIGN);
+LV_EXPORT_CONST_INT(LV_DRAW_BUF_ALIGN);
 #endif
 
 #undef _LV_KCONFIG_PRESENT
diff --git a/src/widgets/canvas/lv_canvas.h b/src/widgets/canvas/lv_canvas.h
index e2aac005eb..69fe4beeaf 100644
--- a/src/widgets/canvas/lv_canvas.h
+++ b/src/widgets/canvas/lv_canvas.h
@@ -135,6 +135,14 @@ void lv_canvas_finish_layer(lv_obj_t * canvas, lv_layer_t * layer);
 
 #define LV_CANVAS_BUF_SIZE(w, h, bpp, stride) (((((w * bpp + 7) >> 3) + stride - 1) & ~(stride - 1)) * h + LV_DRAW_BUF_ALIGN)
 
+/**
+ * Just a wrapper to `LV_CANVAS_BUF_SIZE` for bindings.
+ */
+static inline uint32_t lv_canvas_buf_size(int32_t w, int32_t h, uint8_t bpp, uint8_t stride)
+{
+    return (uint32_t)LV_CANVAS_BUF_SIZE(w, h, bpp, stride);
+}
+
 #endif /*LV_USE_CANVAS*/
 
 #ifdef __cplusplus