fix for bug 1371386, with some minor mods and cleanup

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

diff --git a/src/common/imagjpeg.cpp b/src/common/imagjpeg.cpp
index 0f3e5756fa2e1df80a9ea65387a29d4976885c1e..7e4dcedfba3da2ab2c512c4bb1b25db96a4bbfc4 100644 (file)
--- a/src/common/imagjpeg.cpp
+++ b/src/common/imagjpeg.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        imagjpeg.cpp
+// Name:        src/common/imagjpeg.cpp
 // Purpose:     wxImage JPEG handler
 // Author:      Vaclav Slavik
 // RCS-ID:      $Id$
@@ -7,10 +7,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "imagjpeg.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -33,7 +29,7 @@
 //     This causes a conflict with jmorecfg.h header from libjpeg, so we have
 //     to make sure libjpeg won't try to define boolean itself. This is done by
 //     defining HAVE_BOOLEAN.
-#if defined(__WXMSW__) && (defined(__MWERKS__) || defined(__DIGITALMARS__) || (defined(__WATCOMC__) && __WATCOMC__ < 1200))
+#if defined(__WXMSW__) && (defined(__MWERKS__) || defined(__DIGITALMARS__))
     #define HAVE_BOOLEAN
     #include "wx/msw/wrapwin.h"
 #endif
@@ -356,22 +352,41 @@ bool wxJPEGHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo
     // 'Quality' is a number between 0 (terrible) and 100 (very good).
     // The default (in jcparam.c, jpeg_set_defaults) is 75,
     // and force_baseline is TRUE.
-    if (image->HasOption(wxT("quality")))
-        jpeg_set_quality(&cinfo, image->GetOptionInt(wxT("quality")), TRUE);
+    if (image->HasOption(wxIMAGE_OPTION_QUALITY))
+        jpeg_set_quality(&cinfo, image->GetOptionInt(wxIMAGE_OPTION_QUALITY), TRUE);
+
+    // set the resolution fields in the output file
+    UINT16 resX,
+           resY;
+    if ( image->HasOption(wxIMAGE_OPTION_RESOLUTIONX) &&
+         image->HasOption(wxIMAGE_OPTION_RESOLUTIONY) )
+    {
+        resX = (UINT16)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONX);
+        resY = (UINT16)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONY);
+    }
+    else if ( image->HasOption(wxIMAGE_OPTION_RESOLUTION) )
+    {
+        resX =
+        resY = (UINT16)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTION);
+    }
+    else
+    {
+        resX =
+        resY = 0;
+    }
 
-    // sets the resolution fields in the output file
-    if (image->HasOption(wxIMAGE_OPTION_RESOLUTION))
+    if ( resX && resY )
     {
-        cinfo.X_density =
-        cinfo.Y_density = image->GetOptionInt(wxIMAGE_OPTION_RESOLUTION);
+        cinfo.X_density = resX;
+        cinfo.Y_density = resY;
     }
 
     // sets the resolution unit field in the output file
     // wxIMAGE_RESOLUTION_INCHES for inches
     // wxIMAGE_RESOLUTION_CM for centimeters
-    if (image->HasOption(wxIMAGE_OPTION_RESOLUTIONUNIT))
+    if ( image->HasOption(wxIMAGE_OPTION_RESOLUTIONUNIT) )
     {
-        cinfo.density_unit = image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONUNIT);
+        cinfo.density_unit = (UINT8)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONUNIT);
     }
 
     jpeg_start_compress(&cinfo, TRUE);
@@ -405,9 +420,3 @@ bool wxJPEGHandler::DoCanRead( wxInputStream& stream )
 #endif   // wxUSE_STREAMS
 
 #endif   // wxUSE_LIBJPEG
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