X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/33ac7e6f01acbac1cff0ad400d8ea7f0bfd0a62f..cfa3d7ba83b57ac7a9fa6b79ae73ef9cebcb55f4:/src/common/imagxpm.cpp diff --git a/src/common/imagxpm.cpp b/src/common/imagxpm.cpp index 39689e1f5f..3db566fcb7 100644 --- a/src/common/imagxpm.cpp +++ b/src/common/imagxpm.cpp @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: imagxpm.cpp +// Name: src/common/imagxpm.cpp // Purpose: wxXPMHandler // Author: Vaclav Slavik, Robert Roebling // RCS-ID: $Id$ @@ -62,28 +62,23 @@ license is as follows: % */ -#ifdef __GNUG__ -#pragma implementation "imagxpm.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ -# pragma hdrstop + #pragma hdrstop #endif +#if wxUSE_XPM + #ifndef WX_PRECOMP -# include "wx/defs.h" + #include "wx/log.h" + #include "wx/intl.h" + #include "wx/utils.h" #endif -#if wxUSE_IMAGE && wxUSE_XPM - #include "wx/imagxpm.h" #include "wx/wfstream.h" -#include "wx/log.h" -#include "wx/intl.h" -#include "wx/utils.h" #include "wx/xpmdecod.h" IMPLEMENT_DYNAMIC_CLASS(wxXPMHandler,wxImageHandler) @@ -96,17 +91,30 @@ IMPLEMENT_DYNAMIC_CLASS(wxXPMHandler,wxImageHandler) bool wxXPMHandler::LoadFile(wxImage *image, wxInputStream& stream, - bool verbose, int WXUNUSED(index)) + bool WXUNUSED(verbose), int WXUNUSED(index)) { wxXPMDecoder decoder; 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)) { @@ -128,33 +136,48 @@ bool wxXPMHandler::SaveFile(wxImage * image, chars_per_pixel++; // 2. write the header: - tmp.Printf("/* XPM */\n" - "static char *xpm_data[] = {\n" + wxString sName; + if ( image->HasOption(wxIMAGE_OPTION_FILENAME) ) + { + wxSplitPath(image->GetOption(wxIMAGE_OPTION_FILENAME), + NULL, &sName, NULL); + sName << wxT("_xpm"); + } + + if ( !sName.empty() ) + 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 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(tmp.mb_str(), tmp.Length()); + stream.Write(tmpbuf, strlen(tmpbuf)); // 3. create color symbols table: - wxHashTable table(wxKEY_INTEGER); - 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]; @@ -167,22 +190,27 @@ 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++) @@ -191,8 +219,7 @@ 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() ) @@ -202,12 +229,13 @@ 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) @@ -218,4 +246,4 @@ bool wxXPMHandler::DoCanRead(wxInputStream& stream) #endif // wxUSE_STREAMS -#endif // wxUSE_XPM && wxUSE_IMAGE +#endif // wxUSE_XPM