implemented fallback for AlphaBlend() for the systems not supporting it

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

diff --git a/src/common/datstrm.cpp b/src/common/datstrm.cpp
index 85f80d95073dcb93a10d5923852651a7ffb922c8..b0ef8302a254b680a0c9c328a9f2224772ccf3c2 100644 (file)
--- a/src/common/datstrm.cpp
+++ b/src/common/datstrm.cpp
@@ -5,8 +5,8 @@
 // Modified by:
 // Created:     28/06/98
 // RCS-ID:      $Id$
 // Modified by:
 // Created:     28/06/98
 // RCS-ID:      $Id$

-// Copyright:   (c) Guilhem Lavaux 
-// Licence:    wxWindows license
+// Copyright:   (c) Guilhem Lavaux
+// Licence:    wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__


@@ -28,8 +28,13 @@
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 
 // wxDataInputStream
 // ---------------------------------------------------------------------------
 

+#if wxUSE_UNICODE
+wxDataInputStream::wxDataInputStream(wxInputStream& s, wxMBConv& conv)
+  : m_input(&s), m_be_order(FALSE), m_conv(conv)
+#else

 wxDataInputStream::wxDataInputStream(wxInputStream& s)
 wxDataInputStream::wxDataInputStream(wxInputStream& s)

-  : m_input(&s)
+  : m_input(&s), m_be_order(FALSE)
+#endif

 {
 }
 
 {
 }
 


@@ -37,33 +42,47 @@ wxDataInputStream::~wxDataInputStream()
 {
 }
 
 {
 }
 

+wxUint64 wxDataInputStream::Read64()
+{
+  wxUint64 i64;
+
+  m_input->Read(&i64, 8);
+
+  if (m_be_order)
+    return wxUINT64_SWAP_ON_LE(i64);
+  else
+    return wxUINT64_SWAP_ON_BE(i64);
+}
+

 wxUint32 wxDataInputStream::Read32()
 {
 wxUint32 wxDataInputStream::Read32()
 {

-  char buf[4];
+  wxUint32 i32;

 
 

-  m_input->Read(buf, 4);
+  m_input->Read(&i32, 4);

 
 

-  return (wxUint32)buf[0] |
-         ((wxUint32)buf[1] << 8) |
-         ((wxUint32)buf[2] << 16) |
-         ((wxUint32)buf[3] << 24);
+  if (m_be_order)
+    return wxUINT32_SWAP_ON_LE(i32);
+  else
+    return wxUINT32_SWAP_ON_BE(i32);

 }
 
 wxUint16 wxDataInputStream::Read16()
 {
 }
 
 wxUint16 wxDataInputStream::Read16()
 {

-  char buf[2];
+  wxUint16 i16;

 
 

-  m_input->Read(buf, 2);
+  m_input->Read(&i16, 2);

 
 

-  return (wxUint16)buf[0] |
-         ((wxUint16)buf[1] << 8);
+  if (m_be_order)
+    return wxUINT16_SWAP_ON_LE(i16);
+  else
+    return wxUINT16_SWAP_ON_BE(i16);

 }
 
 wxUint8 wxDataInputStream::Read8()
 {
   wxUint8 buf;
 
 }
 
 wxUint8 wxDataInputStream::Read8()
 {
   wxUint8 buf;
 

-  m_input->Read((char *)&buf, 1);
+  m_input->Read(&buf, 1);

   return (wxUint8)buf;
 }
 
   return (wxUint8)buf;
 }
 


@@ -84,22 +103,29 @@ double wxDataInputStream::ReadDouble()
 
 wxString wxDataInputStream::ReadString()
 {
 
 wxString wxDataInputStream::ReadString()
 {

-  wxString wx_string;
-  char *string;
-  unsigned long len;
+  size_t len;

 
   len = Read32();
 
   len = Read32();

-  string = new char[len+1];
-
-  m_input->Read(string, len);

 
 

-  string[len] = 0;
-  wx_string = string;
-  delete string;
-
-  return wx_string;
+  if (len > 0)
+  {
+#if wxUSE_UNICODE
+    char *tmp = new char[len + 1];
+    m_input->Read(tmp, len);
+    tmp[len] = 0;
+    wxString ret( (const wxChar*) m_conv.cMB2WX(tmp) );
+    delete[] tmp;
+#else
+    wxString ret;
+    m_input->Read( ret.GetWriteBuf(len), len);
+    ret.UngetWriteBuf();
+#endif
+    return ret;
+  }
+  else
+    return wxEmptyString;

 }
 }

-  
+

 wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
 {
   s = ReadString();
 wxDataInputStream& wxDataInputStream::operator>>(wxString& s)
 {
   s = ReadString();


@@ -142,6 +168,12 @@ wxDataInputStream& wxDataInputStream::operator>>(wxUint32& i)
   return *this;
 }
 
   return *this;
 }
 

+wxDataInputStream& wxDataInputStream::operator>>(wxUint64& i)
+{
+  i = Read64();
+  return *this;
+}
+

 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();
 wxDataInputStream& wxDataInputStream::operator>>(double& i)
 {
   i = ReadDouble();


@@ -158,8 +190,13 @@ wxDataInputStream& wxDataInputStream::operator>>(float& f)
 // wxDataOutputStream
 // ---------------------------------------------------------------------------
 
 // wxDataOutputStream
 // ---------------------------------------------------------------------------
 

+#if wxUSE_UNICODE
+wxDataOutputStream::wxDataOutputStream(wxOutputStream& s, wxMBConv& conv)
+  : m_output(&s), m_be_order(FALSE), m_conv(conv)
+#else

 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)
 wxDataOutputStream::wxDataOutputStream(wxOutputStream& s)

-  : m_output(&s)
+  : m_output(&s), m_be_order(FALSE)
+#endif

 {
 }
 
 {
 }
 


@@ -167,24 +204,38 @@ wxDataOutputStream::~wxDataOutputStream()
 {
 }
 
 {
 }
 

+void wxDataOutputStream::Write64(wxUint64 i)
+{
+  wxUint64 i64;
+
+  if (m_be_order)
+    i64 = wxUINT64_SWAP_ON_LE(i);
+  else
+    i64 = wxUINT64_SWAP_ON_BE(i);
+  m_output->Write(&i64, 8);
+}
+

 void wxDataOutputStream::Write32(wxUint32 i)
 {
 void wxDataOutputStream::Write32(wxUint32 i)
 {

-  char buf[4];
+  wxUint32 i32;

 
 

-  buf[0] = i & 0xff;
-  buf[1] = (i >> 8) & 0xff;
-  buf[2] = (i >> 16) & 0xff;
-  buf[3] = (i >> 24) & 0xff;
-  m_output->Write(buf, 4);
+  if (m_be_order)
+    i32 = wxUINT32_SWAP_ON_LE(i);
+  else
+    i32 = wxUINT32_SWAP_ON_BE(i);
+  m_output->Write(&i32, 4);

 }
 
 void wxDataOutputStream::Write16(wxUint16 i)
 {
 }
 
 void wxDataOutputStream::Write16(wxUint16 i)
 {

-  char buf[2];
+  wxUint16 i16;

 
 

-  buf[0] = i & 0xff;
-  buf[1] = (i >> 8) & 0xff;
-  m_output->Write(buf, 2);
+  if (m_be_order)
+    i16 = wxUINT16_SWAP_ON_LE(i);
+  else
+    i16 = wxUINT16_SWAP_ON_BE(i);
+
+  m_output->Write(&i16, 2);

 }
 
 void wxDataOutputStream::Write8(wxUint8 i)
 }
 
 void wxDataOutputStream::Write8(wxUint8 i)


@@ -194,9 +245,15 @@ void wxDataOutputStream::Write8(wxUint8 i)
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {
 
 void wxDataOutputStream::WriteString(const wxString& string)
 {

+#if wxUSE_UNICODE
+  const wxWX2MBbuf buf = string.mb_str(m_conv);
+#else

   const wxWX2MBbuf buf = string.mb_str();
   const wxWX2MBbuf buf = string.mb_str();

-  Write32(string.Length());
-  m_output->Write(buf, string.Len());
+#endif
+  size_t len = strlen(buf);
+  Write32(len);
+  if (len > 0)
+      m_output->Write(buf, len);

 }
 
 // Must be at global scope for VC++ 5
 }
 
 // Must be at global scope for VC++ 5


@@ -209,8 +266,10 @@ void wxDataOutputStream::WriteDouble(double d)
 #if wxUSE_APPLE_IEEE
   ConvertToIeeeExtended(d, (unsigned char *)buf);
 #else
 #if wxUSE_APPLE_IEEE
   ConvertToIeeeExtended(d, (unsigned char *)buf);
 #else

-#  pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
- buf[0] = '\0';
+#ifndef __VMS__
+# pragma warning "wxDataOutputStream::WriteDouble() not using IeeeExtended - will not work!"
+#endif
+   buf[0] = '\0';

 #endif
   m_output->Write(buf, 10);
 }
 #endif
   m_output->Write(buf, 10);
 }


@@ -222,7 +281,7 @@ wxDataOutputStream& wxDataOutputStream::operator<<(const wxChar *string)
   return *this;
 }
 
   return *this;
 }
 

-wxDataOutputStream& wxDataOutputStream::operator<<(wxString& string)
+wxDataOutputStream& wxDataOutputStream::operator<<(const wxString& string)

 {
   WriteString(string);
   return *this;
 {
   WriteString(string);
   return *this;


@@ -264,6 +323,12 @@ wxDataOutputStream& wxDataOutputStream::operator<<(wxUint32 i)
   return *this;
 }
 
   return *this;
 }
 

+wxDataOutputStream& wxDataOutputStream::operator<<(wxUint64 i)
+{
+  Write64(i);
+  return *this;
+}
+

 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);
 wxDataOutputStream& wxDataOutputStream::operator<<(double f)
 {
   WriteDouble(f);


@@ -278,4 +343,4 @@ wxDataOutputStream& wxDataOutputStream::operator<<(float f)
 
 #endif
   // wxUSE_STREAMS
 
 #endif
   // wxUSE_STREAMS

-  
+