2 files changed, 33 insertions, 9 deletions

diff --git a/Private/Source/Framebuffer.cxx b/Private/Source/Framebuffer.cxx
index 6ea2fa5b..9c964a3c 100644
--- a/Private/Source/Framebuffer.cxx
+++ b/Private/Source/Framebuffer.cxx
@@ -33,13 +33,14 @@ volatile UIntPtr *Framebuffer::operator[](const UIntPtr &pos) {
 
 /// @brief Boolean operator.
 Framebuffer::operator bool() {
-  return m_FrameBufferAddr.Leak()->m_Base != 0 && m_Colour != FramebufferColorKind::INVALID &&
-        m_FrameBufferAddr.Leak()->m_Base != kBadPtr;
+  return m_FrameBufferAddr.Leak()->m_Base != 0 &&
+         m_Colour != FramebufferColorKind::INVALID &&
+         m_FrameBufferAddr.Leak()->m_Base != kBadPtr;
 }
 
 /// @brief Set color kind of framebuffer.
-/// @param colour 
-/// @return 
+/// @param colour
+/// @return
 const FramebufferColorKind &Framebuffer::Color(
     const FramebufferColorKind &colour) {
   if (m_Colour != FramebufferColorKind::INVALID &&
@@ -50,8 +51,29 @@ const FramebufferColorKind &Framebuffer::Color(
   return m_Colour;
 }
 
-/// @brief Leak fraembuffer context.
+/// @brief Leak framebuffer context.
 /// @return The reference of the framebuffer context.
 Ref<FramebufferContext *> &Framebuffer::Leak() {
   return this->m_FrameBufferAddr;
 }
+
+Framebuffer &Framebuffer::DrawRect(SizeT width, SizeT height, SizeT x, SizeT y,
+                                   UInt32 color) {
+  for (HCore::SizeT i = x; i < width + x; ++i) {
+    for (HCore::SizeT u = y; u < height + y; ++u) {
+      *(((volatile HCore::UInt32 *)(m_FrameBufferAddr.Leak()->m_Base +
+                                    4 * m_FrameBufferAddr.Leak()->m_Bpp * i +
+                                    4 * u))) = color;
+    }
+  }
+
+  return *this;
+}
+
+Framebuffer &Framebuffer::PutPixel(SizeT x, SizeT y, UInt32 color) {
+  *(((volatile HCore::UInt32 *)(m_FrameBufferAddr.Leak()->m_Base +
+                                4 * m_FrameBufferAddr.Leak()->m_Bpp * x +
+                                4 * y))) = color;
+                                
+  return *this;
+}
\ No newline at end of file
diff --git a/Private/Source/KernelHeap.cxx b/Private/Source/KernelHeap.cxx
index a38156f4..39648102 100644
--- a/Private/Source/KernelHeap.cxx
+++ b/Private/Source/KernelHeap.cxx
@@ -75,8 +75,9 @@ Int32 ke_delete_ke_heap(VoidPtr heapPtr) {
     if (virtualAddress->hCRC32 != 0) {
       if (virtualAddress->hCRC32 !=
           ke_calculate_crc32((Char *)virtualAddress->hAddress,
-                             virtualAddress->hSizeAddress))
+                             virtualAddress->hSizeAddress)) {
         ke_stop(RUNTIME_CHECK_POINTER);
+      }
     }
 
     virtualAddress->hSizeAddress = 0UL;
@@ -112,8 +113,8 @@ Boolean ke_is_valid_heap(VoidPtr heapPtr) {
 }
 
 /// @brief Protect the heap pointer with a CRC32.
-/// @param heapPtr 
-/// @return 
+/// @param heapPtr
+/// @return
 Boolean ke_protect_ke_heap(VoidPtr heapPtr) {
   if (heapPtr) {
     Detail::HeapInformationBlockPtr virtualAddress =
@@ -121,7 +122,8 @@ Boolean ke_protect_ke_heap(VoidPtr heapPtr) {
             (UIntPtr)heapPtr - sizeof(Detail::HeapInformationBlock));
 
     if (virtualAddress->hPresent && virtualAddress->hMagic == kHeapMagic) {
-      virtualAddress->hCRC32 = ke_calculate_crc32((Char*)heapPtr, virtualAddress->hSizeAddress);
+      virtualAddress->hCRC32 =
+          ke_calculate_crc32((Char *)heapPtr, virtualAddress->hSizeAddress);
       return true;
     }
   }