add some assert() to make tutor happy

1 files changed, 3 insertions, 0 deletions

diff --git a/ue2/imgsynth2/cpixelformat_bgr555.cpp b/ue2/imgsynth2/cpixelformat_bgr555.cpp
index 657c148..ba12cb5 100644
--- a/ue2/imgsynth2/cpixelformat_bgr555.cpp
+++ b/ue2/imgsynth2/cpixelformat_bgr555.cpp
@@ -7,6 +7,7 @@
  */
 
 #include <boost/numeric/conversion/cast.hpp>
+#include <assert.h>
 #include "cpixelformat_bgr555.h"
 #include "cbitmap.h"
 
@@ -16,6 +17,7 @@ void CPixelFormat_BGR555::getPixel(RGBPIXEL& pixel, uint32_t x, uint32_t y)
 {
   if (m_bitmap->getPixelData() == NULL)
     throw PixelFormatError("No pixelbuffer allocated.");
+  assert(m_bitmap->getPixelDataSize() > 0);
 
   /* if the y-coordinates are mirrored */
   if (m_bitmap->isMirrored())
@@ -39,6 +41,7 @@ void CPixelFormat_BGR555::setPixel(const RGBPIXEL& pixel, uint32_t x, uint32_t y
 {
   if (m_bitmap->getPixelData() == NULL)
     throw PixelFormatError("No pixelbuffer allocated.");
+  assert(m_bitmap->getPixelDataSize() > 0);
 
   /* if the y-coordinates are mirrored */
   if (m_bitmap->isMirrored())