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

diff --git a/src/common/imagxpm.cpp b/src/common/imagxpm.cpp
index b8996eaafed5c92bb627990d7c92143811277e64..5e8db820c959131a90a6d5e2b95b604b6b88c831 100644 (file)
--- a/src/common/imagxpm.cpp
+++ b/src/common/imagxpm.cpp
@@ -62,7 +62,7 @@ license is as follows:
 %
 */
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "imagxpm.h"
 #endif
 
@@ -102,11 +102,24 @@ bool wxXPMHandler::LoadFile(wxImage *image,
 
     wxImage img = decoder.ReadFile(stream);
     if ( !img.Ok() )
-        return FALSE;
+        return false;
     *image = img;
-    return TRUE;
+    return true;
 }
 
+
+static char hexArray[] = "0123456789ABCDEF";
+
+static void DecToHex(int dec, char *buf)
+{
+    int firstDigit = (int)(dec/16.0);
+    int secondDigit = (int)(dec - (firstDigit*16.0));
+    buf[0] = hexArray[firstDigit];
+    buf[1] = hexArray[secondDigit];
+    buf[2] = 0;
+}
+
+
 bool wxXPMHandler::SaveFile(wxImage * image,
                             wxOutputStream& stream, bool WXUNUSED(verbose))
 {
@@ -128,38 +141,48 @@ bool wxXPMHandler::SaveFile(wxImage * image,
         chars_per_pixel++;
 
     // 2. write the header:
+    wxString sName;
+    if ( image->HasOption(wxIMAGE_OPTION_FILENAME) )
+    {
+        wxSplitPath(image->GetOption(wxIMAGE_OPTION_FILENAME),
+                    NULL, &sName, NULL);
+        sName << wxT("_xpm");
+    }
+
+    if ( !sName.IsEmpty() )
+        sName = wxString(wxT("/* XPM */\nstatic char *")) + sName;
+    else
+        sName = wxT("/* XPM */\nstatic char *xpm_data");
+    stream.Write( (const char*) sName.ToAscii(), sName.Len() );
+
     char tmpbuf[200];
-    // VS: 200b is safe upper bound for anything produced by sprintf bellow
-    //     (101 bytes the string, neither %i can expand into more than 10 chars)
-    sprintf(tmpbuf, 
-               "/* XPM */\n"
-               "static char *xpm_data[] = {\n"
+    // VS: 200b is safe upper bound for anything produced by sprintf below
+    //     (<101 bytes the string, neither %i can expand into more than 10 chars)
+    sprintf(tmpbuf,
+               "[] = {\n"
                "/* columns rows colors chars-per-pixel */\n"
                "\"%i %i %i %i\",\n",
                image->GetWidth(), image->GetHeight(), cols, chars_per_pixel);
     stream.Write(tmpbuf, strlen(tmpbuf));
 
     // 3. create color symbols table:
-    wxHashTable table(wxKEY_INTEGER);
-    table.DeleteContents(TRUE);    
-    image->ComputeHistogram(table);
+    wxImageHistogram histogram;
+    image->ComputeHistogram(histogram);
 
     char *symbols_data = new char[cols * (chars_per_pixel+1)];
     char **symbols = new char*[cols];
 
     // 2a. find mask colour:
-    long mask_key = -1;
+    unsigned long mask_key = 0x1000000 /*invalid RGB value*/;
     if (image->HasMask())
         mask_key = (image->GetMaskRed() << 16) |
                    (image->GetMaskGreen() << 8) | image->GetMaskBlue();
 
     // 2b. generate colour table:
-    table.BeginFind();
-    wxNode *node = NULL;
-    while ((node = table.Next()) != NULL)
+    for (wxImageHistogram::iterator entry = histogram.begin();
+         entry != histogram.end(); ++entry )
     {
-        wxHNode *hnode = (wxHNode*) node->GetData();
-        long index = hnode->index;
+        unsigned long index = entry->second.index;
         symbols[index] = symbols_data + index * (chars_per_pixel+1);
         char *sym = symbols[index];
 
@@ -172,22 +195,27 @@ bool wxXPMHandler::SaveFile(wxImage * image,
         }
         sym[j] = '\0';
 
-        long key = node->GetKeyInteger();
+        unsigned long key = entry->first;
 
         if (key == 0)
-            tmp.Printf(wxT("\"%s c Black\",\n"), sym);
+            sprintf( tmpbuf, "\"%s c Black\",\n", sym);
         else if (key == mask_key)
-            tmp.Printf(wxT("\"%s c None\",\n"), sym);
+            sprintf( tmpbuf, "\"%s c None\",\n", sym);
         else
-            tmp.Printf(wxT("\"%s c #%s%s%s\",\n"), sym,
-                       wxDecToHex((unsigned char)(key >> 16)).c_str(),
-                       wxDecToHex((unsigned char)(key >> 8)).c_str(),
-                       wxDecToHex((unsigned char)(key)).c_str());
-        stream.Write(tmp.mb_str(), tmp.Length());
+        {
+            char rbuf[3];
+            DecToHex( (unsigned char)(key >> 16), rbuf );
+            char gbuf[3];
+            DecToHex( (unsigned char)(key >> 8), gbuf );
+            char bbuf[3];
+            DecToHex( (unsigned char)(key), bbuf );
+            sprintf( tmpbuf, "\"%s c #%s%s%s\",\n", sym, rbuf, gbuf, bbuf );
+        }
+        stream.Write( tmpbuf, strlen(tmpbuf) );
     }
 
     tmp = wxT("/* pixels */\n");
-    stream.Write(tmp.mb_str(), tmp.Length());
+    stream.Write( (const char*) tmp.ToAscii(), tmp.Length() );
 
     unsigned char *data = image->GetData();
     for (j = 0; j < image->GetHeight(); j++)
@@ -196,8 +224,7 @@ bool wxXPMHandler::SaveFile(wxImage * image,
         for (i = 0; i < image->GetWidth(); i++, data += 3)
         {
             unsigned long key = (data[0] << 16) | (data[1] << 8) | (data[2]);
-            wxHNode *hnode = (wxHNode*) table.Get(key);
-            stream.Write(symbols[hnode->index], chars_per_pixel);
+            stream.Write(symbols[histogram[key].index], chars_per_pixel);
         }
         tmp_c = '\"'; stream.Write(&tmp_c, 1);
         if ( j + 1 < image->GetHeight() )
@@ -207,12 +234,13 @@ bool wxXPMHandler::SaveFile(wxImage * image,
         tmp_c = '\n'; stream.Write(&tmp_c, 1);
     }
     tmp = wxT("};\n");
-    stream.Write(tmp.mb_str(), 3);
+    stream.Write( (const char*) tmp.ToAscii(), 3 );
 
+    // Clean up:
     delete[] symbols;
     delete[] symbols_data;
 
-    return TRUE;
+    return true;
 }
 
 bool wxXPMHandler::DoCanRead(wxInputStream& stream)