X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/1943c8778ac88b2704c9a839cc5d9b689c54afb2..5283098e1316b4a811fbccaabbda71f676e86c93:/src/common/xpmdecod.cpp diff --git a/src/common/xpmdecod.cpp b/src/common/xpmdecod.cpp index 68c99def3f..ad80cbf883 100644 --- a/src/common/xpmdecod.cpp +++ b/src/common/xpmdecod.cpp @@ -111,12 +111,11 @@ license is as follows: #include "wx/image.h" #include "wx/utils.h" #include "wx/log.h" +#include "wx/hashmap.h" #include "wx/intl.h" #include -#ifdef __VISUALC__ #include -#endif #include "wx/xpmdecod.h" @@ -125,10 +124,12 @@ bool wxXPMDecoder::CanRead(wxInputStream& stream) { unsigned char buf[9]; - stream.Read(buf, 9); - stream.SeekI(-9, wxFromCurrent); + if ( !stream.Read(buf, WXSIZEOF(buf)) ) + return FALSE; + + stream.SeekI(-(off_t)WXSIZEOF(buf), wxFromCurrent); - return (memcmp(buf, "/* XPM */", 9) == 0); + return memcmp(buf, "/* XPM */", WXSIZEOF(buf)) == 0; } wxImage wxXPMDecoder::ReadFile(wxInputStream& stream) @@ -142,7 +143,7 @@ wxImage wxXPMDecoder::ReadFile(wxInputStream& stream) wxCharBuffer buffer(length); char *xpm_buffer = (char *)buffer.data(); - if ( stream.Read(xpm_buffer, length).LastError() == wxSTREAM_READ_ERROR ) + if ( stream.Read(xpm_buffer, length).GetLastError() == wxSTREAM_READ_ERROR ) return wxNullImage; xpm_buffer[length] = '\0'; @@ -652,11 +653,11 @@ static const char *ParseColor(const char *data) return NULL; } -class wxXPMColourMapData : public wxObject +struct wxXPMColourMapData { - public: - unsigned char R,G,B; + unsigned char R,G,B; }; +WX_DECLARE_STRING_HASH_MAP(wxXPMColourMapData, wxXPMColourMap); wxImage wxXPMDecoder::ReadData(const char **xpm_data) { @@ -667,8 +668,8 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) wxChar key[64]; const char *clr_def; bool hasMask; - wxXPMColourMapData *clr_data; - wxHashTable clr_tbl(wxKEY_STRING); + wxXPMColourMapData clr_data; + wxXPMColourMap clr_tbl; /* * Read hints and initialize structures: @@ -693,7 +694,6 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) img.SetMask(FALSE); key[chars_per_pixel] = wxT('\0'); hasMask = FALSE; - clr_tbl.DeleteContents(TRUE); /* * Create colour map: @@ -703,21 +703,20 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) for (i_key = 0; i_key < chars_per_pixel; i_key++) key[i_key] = (wxChar)xpm_data[1 + i][i_key]; clr_def = ParseColor(xpm_data[1 + i] + chars_per_pixel); - clr_data = new wxXPMColourMapData; if ( clr_def == NULL ) { wxLogError(_("XPM: malformed colour definition '%s'!"), xpm_data[1+i]); - clr_data->R = 255, clr_data->G = 0, clr_data->B = 255; + clr_data.R = 255, clr_data.G = 0, clr_data.B = 255; } else { bool isNone; if ( !GetRGBFromName(clr_def, &isNone, - &clr_data->R, &clr_data->G, &clr_data->B) ) + &clr_data.R, &clr_data.G, &clr_data.B) ) { wxLogError(_("XPM: malformed colour definition '%s'!"), xpm_data[1+i]); - clr_data->R = 255, clr_data->G = 0, clr_data->B = 255; + clr_data.R = 255, clr_data.G = 0, clr_data.B = 255; } else { @@ -726,17 +725,17 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) img.SetMask(TRUE); img.SetMaskColour(255, 0, 255); hasMask = TRUE; - clr_data->R = 255, clr_data->G = 0, clr_data->B = 255; + clr_data.R = 255, clr_data.G = 0, clr_data.B = 255; } else { - if ( hasMask && clr_data->R == 255 && - clr_data->G == 0 && clr_data->B == 255 ) - clr_data->B = 254; + if ( hasMask && clr_data.R == 255 && + clr_data.G == 0 && clr_data.B == 255 ) + clr_data.B = 254; } } } - clr_tbl.Put(key, clr_data); + clr_tbl[key] = clr_data; } /* @@ -744,6 +743,9 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) */ unsigned char *img_data = img.GetData(); + wxXPMColourMap::iterator entry; + wxXPMColourMap::iterator end = clr_tbl.end(); + for (j = 0; j < height; j++) { for (i = 0; i < width; i++, img_data += 3) @@ -751,16 +753,16 @@ wxImage wxXPMDecoder::ReadData(const char **xpm_data) for (i_key = 0; i_key < chars_per_pixel; i_key++) key[i_key] = (wxChar)xpm_data[1 + colors_cnt + j] [chars_per_pixel * i + i_key]; - clr_data = (wxXPMColourMapData*) clr_tbl.Get(key); - if ( clr_data == NULL ) + entry = clr_tbl.find(key); + if ( entry == end ) { wxLogError(_("XPM: Malformed pixel data!")); } else { - img_data[0] = clr_data->R; - img_data[1] = clr_data->G; - img_data[2] = clr_data->B; + img_data[0] = entry->second.R; + img_data[1] = entry->second.G; + img_data[2] = entry->second.B; } } }