store palette information from XPM in wxImage (#9763)

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@54947 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

docs/changes.txt

@@ -112,6 +112,7 @@ All (GUI):
   now sets the cursor to the next line after pressing Shift+Enter.
 - Fix crash when reading malformed PCX images.
 - Fix bug with wrong transparency in GIF animations (troelsk).
+- Store palette information for XPM images in wxImage (troelsk).
 
 All (Unix):
 

src/common/xpmdecod.cpp

@@ -808,6 +808,24 @@ wxImage wxXPMDecoder::ReadData(const char* const* xpm_data)
         }
     }
 
+#if wxUSE_PALETTE
+    unsigned char* r = new unsigned char[colors_cnt];
+    unsigned char* g = new unsigned char[colors_cnt];
+    unsigned char* b = new unsigned char[colors_cnt];
+
+    for (it = clr_tbl.begin(), i = 0; it != clr_tbl.end(); it++, i++)
+    {
+        r[i] = it->second.R;
+        g[i] = it->second.G;
+        b[i] = it->second.B;
+    }
+    wxASSERT(i == colors_cnt);
+    img.SetPalette(wxPalette(colors_cnt, r, g, b));
+    delete[] r;
+    delete[] g;
+    delete[] b;
+#endif // wxUSE_PALETTE
+
     return img;
 }