/////////////////////////////////////////////////////////////////////////////
-// Name: xpmdecod.cpp
+// Name: src/common/xpmdecod.cpp
// Purpose: wxXPMDecoder
// Author: John Cristy, Vaclav Slavik
// RCS-ID: $Id$
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-# pragma hdrstop
+ #pragma hdrstop
#endif
+#if wxUSE_IMAGE && wxUSE_XPM
+
+#include "wx/xpmdecod.h"
+
#ifndef WX_PRECOMP
-# include "wx/defs.h"
+ #include "wx/intl.h"
+ #include "wx/log.h"
+ #include "wx/utils.h"
+ #include "wx/hashmap.h"
+ #include "wx/stream.h"
+ #include "wx/image.h"
#endif
-#if wxUSE_IMAGE && wxUSE_XPM
-
-#include "wx/stream.h"
-#include "wx/image.h"
-#include "wx/utils.h"
-#include "wx/log.h"
-#include "wx/hashmap.h"
-#include "wx/intl.h"
#include <string.h>
-
#include <ctype.h>
-#include "wx/xpmdecod.h"
-
#if wxUSE_STREAMS
bool wxXPMDecoder::CanRead(wxInputStream& stream)
{
};
WX_DECLARE_STRING_HASH_MAP(wxXPMColourMapData, wxXPMColourMap);
-wxImage wxXPMDecoder::ReadData(const char **xpm_data)
+wxImage wxXPMDecoder::ReadData(const char* const* xpm_data)
{
wxCHECK_MSG(xpm_data, wxNullImage, wxT("NULL XPM data") );
if ( isNone )
{
- img.SetMask(true);
- img.SetMaskColour(255, 0, 255);
- clr_data.R =
- clr_data.B = 255;
- clr_data.G = 0;
hasMask = true;
maskKey = key;
}
clr_tbl[key] = clr_data;
}
- /*
- * Modify colour entries with RGB = (255,0,255) to (255,0,254) if
- * mask colour is present (so that existing pixels with (255,0,255)
- * magenta colour are not incorrectly made transparent):
- */
+ // deal with the mask: we must replace pseudo-colour "None" with the mask
+ // colour (which can be any colour not otherwise used in the image)
if (hasMask)
{
- for (it = clr_tbl.begin(); it != clr_tbl.end(); ++it)
+ unsigned char r, g, b;
+ if ( !img.FindFirstUnusedColour(&r, &g, &b) )
{
- if (it->second.R == 255 && it->second.G == 0 &&
- it->second.B == 255 &&
- it->first != maskKey)
- {
- it->second.B = 254;
- }
+ wxLogError(_("XPM: no colors left to use for mask!"));
+ return wxNullImage;
}
+
+ clr_tbl[maskKey].R = r;
+ clr_tbl[maskKey].G = g;
+ clr_tbl[maskKey].B = b;
+
+ img.SetMask(true);
+ img.SetMaskColour(r, g, b);
}
/*