X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/c96ea65713a8dd58ae40b10718723b5c92a303e3..6ea48c514e0b911113020c76fdb83b64f5941ddb:/src/common/imagxpm.cpp diff --git a/src/common/imagxpm.cpp b/src/common/imagxpm.cpp index b637c66808..3db566fcb7 100644 --- a/src/common/imagxpm.cpp +++ b/src/common/imagxpm.cpp @@ -1,7 +1,7 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: imagxpm.cpp +// Name: src/common/imagxpm.cpp // Purpose: wxXPMHandler -// Author: Vaclav Slavik +// Author: Vaclav Slavik, Robert Roebling // RCS-ID: $Id$ // Copyright: (c) 2001 Vaclav Slavik // Licence: wxWindows licence @@ -62,29 +62,24 @@ 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) @@ -94,63 +89,95 @@ IMPLEMENT_DYNAMIC_CLASS(wxXPMHandler,wxImageHandler) #if wxUSE_STREAMS -bool wxXPMHandler::LoadFile(wxImage *WXUNUSED(image), - wxInputStream& WXUNUSED(stream), - bool verbose, int WXUNUSED(index)) +bool wxXPMHandler::LoadFile(wxImage *image, + wxInputStream& stream, + bool WXUNUSED(verbose), int WXUNUSED(index)) +{ + wxXPMDecoder decoder; + + wxImage img = decoder.ReadFile(stream); + if ( !img.Ok() ) + return false; + *image = img; + return true; +} + + +static char hexArray[] = "0123456789ABCDEF"; + +static void DecToHex(int dec, char *buf) { - if (verbose) - wxLogDebug(_("XPM: the handler is write-only!")); - return FALSE; + 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 verbose) + wxOutputStream& stream, bool WXUNUSED(verbose)) { wxString tmp; char tmp_c; - + // 1. count colours: #define MaxCixels 92 - static const char Cixel[MaxCixels+1] = + static const char Cixel[MaxCixels+1] = " .XoO+@#$%&*=-;:>,<1234567890qwertyuipasdfghjk" "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|"; int chars_per_pixel; int cols; int i, j, k; - + cols = image->CountColours(); chars_per_pixel = 1; for ( k = MaxCixels; cols > k; k *= MaxCixels) 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", + "\"%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]; @@ -163,22 +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++) @@ -187,8 +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() ) @@ -198,24 +229,21 @@ 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) { - unsigned char buf[9]; - - stream.Read(buf, 9); - stream.SeekI(-9, wxFromCurrent); - - return (memcmp(buf, "/* XPM */", 9) == 0); + wxXPMDecoder decoder; + return decoder.CanRead(stream); } #endif // wxUSE_STREAMS -#endif // wxUSE_XPM && wxUSE_IMAGE +#endif // wxUSE_XPM