build: eliminate Win32 warnings

alalek · alalek · commit c515e878abc3 · 2017-08-24T16:07:12.000+03:00
diff --git a/modules/imgcodecs/src/grfmt_tiff.cpp b/modules/imgcodecs/src/grfmt_tiff.cpp
@@ -160,7 +160,7 @@ class TiffDecoderBufHelper
                 break;
         }
         new_pos = std::min(new_pos, size);
-        decoder->m_buf_pos = new_pos;
+        decoder->m_buf_pos = (size_t)new_pos;
         return new_pos;
     }
 
@@ -613,7 +613,7 @@ class TiffEncoderBufHelper
     static tmsize_t write( thandle_t handle, void* buffer, tmsize_t n )
     {
         TiffEncoderBufHelper *helper = reinterpret_cast<TiffEncoderBufHelper*>(handle);
-        size_t begin = helper->m_buf_pos;
+        size_t begin = (size_t)helper->m_buf_pos;
         size_t end = begin + n;
         if ( helper->m_buf->size() < end )
         {

Original file line number	Diff line number	Diff line change
`@@ -160,7 +160,7 @@ class TiffDecoderBufHelper`
`160`	`160`	`break;`
`161`	`161`	`}`
`162`	`162`	`new_pos = std::min(new_pos, size);`
`163`		`- decoder->m_buf_pos = new_pos;`
	`163`	`+ decoder->m_buf_pos = (size_t)new_pos;`
`164`	`164`	`return new_pos;`
`165`	`165`	`}`
`166`	`166`
`@@ -613,7 +613,7 @@ class TiffEncoderBufHelper`
`613`	`613`	`static tmsize_t write( thandle_t handle, void* buffer, tmsize_t n )`
`614`	`614`	`{`
`615`	`615`	`TiffEncoderBufHelper helper = reinterpret_cast<TiffEncoderBufHelper>(handle);`
`616`		`- size_t begin = helper->m_buf_pos;`
	`616`	`+ size_t begin = (size_t)helper->m_buf_pos;`
`617`	`617`	`size_t end = begin + n;`
`618`	`618`	`if ( helper->m_buf->size() < end )`
`619`	`619`	`{`