Use floating point arithmetic in wxDC::GradientFillConcentric().

[wxWidgets.git] / src / common / stream.cpp

diff --git a/src/common/stream.cpp b/src/common/stream.cpp
index 357499b047b628290380437b2c2e806b272f1109..1a03caa34604cedf54b1fe45d8e7125af2a9c9fe 100644 (file)
--- a/src/common/stream.cpp
+++ b/src/common/stream.cpp
@@ -100,7 +100,7 @@ wxStreamBuffer::wxStreamBuffer(const wxStreamBuffer& buffer)
     // doing this has big chances to lead to a crash when the source buffer is
     // destroyed (otherwise assume the caller knows what he does)
     wxASSERT_MSG( !buffer.m_destroybuf,
-                  _T("it's a bad idea to copy this buffer") );
+                  wxT("it's a bad idea to copy this buffer") );
 
     m_buffer_start = buffer.m_buffer_start;
     m_buffer_end = buffer.m_buffer_end;
@@ -202,7 +202,7 @@ void wxStreamBuffer::Truncate()
     }
 
     char *new_start = (char *)realloc(m_buffer_start, new_size);
-    wxCHECK_RET( new_size, _T("shrinking buffer shouldn't fail") );
+    wxCHECK_RET( new_size, wxT("shrinking buffer shouldn't fail") );
 
     m_buffer_start = new_start;
     m_buffer_end = m_buffer_start + new_size;
@@ -231,7 +231,7 @@ bool wxStreamBuffer::FillBuffer()
 // write the buffer contents to the stream (only for write buffers)
 bool wxStreamBuffer::FlushBuffer()
 {
-    wxCHECK_MSG( m_flushable, false, _T("can't flush this buffer") );
+    wxCHECK_MSG( m_flushable, false, wxT("can't flush this buffer") );
 
     // FIXME: what is this check for? (VZ)
     if ( m_buffer_pos == m_buffer_start )
@@ -239,7 +239,7 @@ bool wxStreamBuffer::FlushBuffer()
 
     wxOutputStream *outStream = GetOutputStream();
 
-    wxCHECK_MSG( outStream, false, _T("should have a stream in wxStreamBuffer") );
+    wxCHECK_MSG( outStream, false, wxT("should have a stream in wxStreamBuffer") );
 
     size_t current = m_buffer_pos - m_buffer_start;
     size_t count = outStream->OnSysWrite(m_buffer_start, current);
@@ -319,7 +319,7 @@ void wxStreamBuffer::PutChar(char c)
 {
     wxOutputStream *outStream = GetOutputStream();
 
-    wxCHECK_RET( outStream, _T("should have a stream in wxStreamBuffer") );
+    wxCHECK_RET( outStream, wxT("should have a stream in wxStreamBuffer") );
 
     // if we don't have buffer at all, just forward this call to the stream,
     if ( !HasBuffer() )
@@ -345,7 +345,7 @@ void wxStreamBuffer::PutChar(char c)
 char wxStreamBuffer::Peek()
 {
     wxCHECK_MSG( m_stream && HasBuffer(), 0,
-                 _T("should have the stream and the buffer in wxStreamBuffer") );
+                 wxT("should have the stream and the buffer in wxStreamBuffer") );
 
     if ( !GetDataLeft() )
     {
@@ -364,7 +364,7 @@ char wxStreamBuffer::GetChar()
 {
     wxInputStream *inStream = GetInputStream();
 
-    wxCHECK_MSG( inStream, 0, _T("should have a stream in wxStreamBuffer") );
+    wxCHECK_MSG( inStream, 0, wxT("should have a stream in wxStreamBuffer") );
 
     char c;
     if ( !HasBuffer() )
@@ -390,7 +390,7 @@ char wxStreamBuffer::GetChar()
 
 size_t wxStreamBuffer::Read(void *buffer, size_t size)
 {
-    wxASSERT_MSG( buffer, _T("Warning: Null pointer is about to be used") );
+    wxASSERT_MSG( buffer, wxT("Warning: Null pointer is about to be used") );
 
     /* Clear buffer first */
     memset(buffer, 0x00, size);
@@ -404,7 +404,7 @@ size_t wxStreamBuffer::Read(void *buffer, size_t size)
     {
         wxInputStream *inStream = GetInputStream();
 
-        wxCHECK_MSG( inStream, 0, _T("should have a stream in wxStreamBuffer") );
+        wxCHECK_MSG( inStream, 0, wxT("should have a stream in wxStreamBuffer") );
 
         readBytes = inStream->OnSysRead(buffer, size);
     }
@@ -449,7 +449,7 @@ size_t wxStreamBuffer::Read(void *buffer, size_t size)
 // this should really be called "Copy()"
 size_t wxStreamBuffer::Read(wxStreamBuffer *dbuf)
 {
-    wxCHECK_MSG( m_mode != write, 0, _T("can't read from this buffer") );
+    wxCHECK_MSG( m_mode != write, 0, wxT("can't read from this buffer") );
 
     char buf[BUF_TEMP_SIZE];
     size_t nRead,
@@ -471,7 +471,7 @@ size_t wxStreamBuffer::Read(wxStreamBuffer *dbuf)
 
 size_t wxStreamBuffer::Write(const void *buffer, size_t size)
 {
-    wxASSERT_MSG( buffer, _T("Warning: Null pointer is about to be send") );
+    wxASSERT_MSG( buffer, wxT("Warning: Null pointer is about to be send") );
 
     if (m_stream)
     {
@@ -485,7 +485,7 @@ size_t wxStreamBuffer::Write(const void *buffer, size_t size)
     {
         wxOutputStream *outStream = GetOutputStream();
 
-        wxCHECK_MSG( outStream, 0, _T("should have a stream in wxStreamBuffer") );
+        wxCHECK_MSG( outStream, 0, wxT("should have a stream in wxStreamBuffer") );
 
         // no buffer, just forward the call to the stream
         ret = outStream->OnSysWrite(buffer, size);
@@ -543,8 +543,8 @@ size_t wxStreamBuffer::Write(const void *buffer, size_t size)
 
 size_t wxStreamBuffer::Write(wxStreamBuffer *sbuf)
 {
-    wxCHECK_MSG( m_mode != read, 0, _T("can't write to this buffer") );
-    wxCHECK_MSG( sbuf->m_mode != write, 0, _T("can't read from that buffer") );
+    wxCHECK_MSG( m_mode != read, 0, wxT("can't write to this buffer") );
+    wxCHECK_MSG( sbuf->m_mode != write, 0, wxT("can't read from that buffer") );
 
     char buf[BUF_TEMP_SIZE];
     size_t nWrite,
@@ -599,7 +599,7 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode)
                 break;
 
             default:
-                wxFAIL_MSG( _T("invalid seek mode") );
+                wxFAIL_MSG( wxT("invalid seek mode") );
 
                 return wxInvalidOffset;
         }
@@ -635,7 +635,7 @@ wxFileOffset wxStreamBuffer::Seek(wxFileOffset pos, wxSeekMode mode)
                 size_t int_diff = wx_truncate_cast(size_t, diff);
                 wxCHECK_MSG( (wxFileOffset)int_diff == diff, wxInvalidOffset, wxT("huge file not supported") );
                 SetIntPosition(int_diff);
-                return pos;
+                return diff;
             }
 
         case wxFromEnd:
@@ -695,7 +695,7 @@ size_t wxStreamBase::GetSize() const
         return 0;
 
     const size_t len = wx_truncate_cast(size_t, length);
-    wxASSERT_MSG( len == length + size_t(0), _T("large files not supported") );
+    wxASSERT_MSG( len == length + size_t(0), wxT("large files not supported") );
 
     return len;
 }
@@ -771,7 +771,7 @@ char *wxInputStream::AllocSpaceWBack(size_t needed_size)
 
 size_t wxInputStream::GetWBack(void *buf, size_t size)
 {
-    wxASSERT_MSG( buf, _T("Warning: Null pointer is about to be used") );
+    wxASSERT_MSG( buf, wxT("Warning: Null pointer is about to be used") );
 
     /* Clear buffer first */
     memset(buf, 0x00, size);
@@ -807,7 +807,7 @@ size_t wxInputStream::GetWBack(void *buf, size_t size)
 
 size_t wxInputStream::Ungetch(const void *buf, size_t bufsize)
 {
-    wxASSERT_MSG( buf, _T("Warning: Null pointer is about to be used in Ungetch()") );
+    wxASSERT_MSG( buf, wxT("Warning: Null pointer is about to be used in Ungetch()") );
 
     if ( m_lasterror != wxSTREAM_NO_ERROR && m_lasterror != wxSTREAM_EOF )
     {
@@ -841,7 +841,7 @@ int wxInputStream::GetC()
 
 wxInputStream& wxInputStream::Read(void *buf, size_t size)
 {
-    wxASSERT_MSG( buf, _T("Warning: Null pointer is about to be read") );
+    wxASSERT_MSG( buf, wxT("Warning: Null pointer is about to be read") );
 
     char *p = (char *)buf;
     m_lastcount = 0;
@@ -943,17 +943,17 @@ wxFileOffset wxInputStream::SeekI(wxFileOffset pos, wxSeekMode mode)
             bytes_read = Read(buf, WXSIZEOF(buf)).LastRead();
             if ( m_lasterror != wxSTREAM_NO_ERROR )
                 return wxInvalidOffset;
-            
+
             wxASSERT(bytes_read == WXSIZEOF(buf));
         }
-        
+
         // read the last 'pos' bytes
         bytes_read = Read(buf, (size_t)pos).LastRead();
         if ( m_lasterror != wxSTREAM_NO_ERROR )
             return wxInvalidOffset;
-        
+
         wxASSERT(bytes_read == (size_t)pos);
-        
+
         // we should now have seeked to the right position...
         return TellI();
     }
@@ -1091,7 +1091,7 @@ wxFileOffset wxCountingOutputStream::OnSysSeek(wxFileOffset pos, wxSeekMode mode
             break;
 
         default:
-            wxFAIL_MSG( _T("invalid seek mode") );
+            wxFAIL_MSG( wxT("invalid seek mode") );
             return wxInvalidOffset;
     }
 
@@ -1357,7 +1357,7 @@ wxFileOffset wxBufferedInputStream::OnSysTell() const
 
 void wxBufferedInputStream::SetInputStreamBuffer(wxStreamBuffer *buffer)
 {
-    wxCHECK_RET( buffer, _T("wxBufferedInputStream needs buffer") );
+    wxCHECK_RET( buffer, wxT("wxBufferedInputStream needs buffer") );
 
     delete m_i_streambuf;
     m_i_streambuf = buffer;
@@ -1440,7 +1440,7 @@ wxFileOffset wxBufferedOutputStream::GetLength() const
 
 void wxBufferedOutputStream::SetOutputStreamBuffer(wxStreamBuffer *buffer)
 {
-    wxCHECK_RET( buffer, _T("wxBufferedOutputStream needs buffer") );
+    wxCHECK_RET( buffer, wxT("wxBufferedOutputStream needs buffer") );
 
     delete m_o_streambuf;
     m_o_streambuf = buffer;