X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5beedebb828f9dcfcd614abc81926025e039c6cd..5eed855656b3996f4c0aa0a585a4820a2af6d628:/src/common/imagtiff.cpp diff --git a/src/common/imagtiff.cpp b/src/common/imagtiff.cpp index 0df1139d8f..5d8476daec 100644 --- a/src/common/imagtiff.cpp +++ b/src/common/imagtiff.cpp @@ -25,6 +25,7 @@ #if wxUSE_IMAGE && wxUSE_LIBTIFF #include "wx/imagtiff.h" +#include "wx/versioninfo.h" #ifndef WX_PRECOMP #include "wx/log.h" @@ -126,7 +127,7 @@ static toff_t wxFileOffsetToTIFF(wxFileOffset ofs) toff_t tofs = wx_truncate_cast(toff_t, ofs); wxCHECK_MSG( (wxFileOffset)tofs == ofs, (toff_t)-1, - _T("TIFF library doesn't support large files") ); + wxT("TIFF library doesn't support large files") ); return tofs; } @@ -270,7 +271,9 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos if (!tif) { if (verbose) + { wxLogError( _("TIFF: Error loading image.") ); + } return false; } @@ -278,7 +281,9 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos if (!TIFFSetDirectory( tif, (tdir_t)index )) { if (verbose) + { wxLogError( _("Invalid TIFF image index.") ); + } TIFFClose( tif ); @@ -301,23 +306,27 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos // guard against integer overflow during multiplication which could result // in allocating a too small buffer and then overflowing it - const double bytesNeeded = w * h * sizeof(uint32); + const double bytesNeeded = (double)w * (double)h * sizeof(uint32); if ( bytesNeeded >= wxUINT32_MAX ) { if ( verbose ) + { wxLogError( _("TIFF: Image size is abnormally big.") ); + } TIFFClose(tif); return false; } - raster = (uint32*) _TIFFmalloc( bytesNeeded ); + raster = (uint32*) _TIFFmalloc( (uint32)bytesNeeded ); if (!raster) { if (verbose) + { wxLogError( _("TIFF: Couldn't allocate memory.") ); + } TIFFClose( tif ); @@ -328,7 +337,9 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos if (!image->Ok()) { if (verbose) + { wxLogError( _("TIFF: Couldn't allocate memory.") ); + } _TIFFfree( raster ); TIFFClose( tif ); @@ -342,7 +353,9 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos if (!TIFFReadRGBAImage( tif, w, h, raster, 0 )) { if (verbose) + { wxLogError( _("TIFF: Error reading image.") ); + } _TIFFfree( raster ); image->Destroy(); @@ -436,7 +449,7 @@ int wxTIFFHandler::DoGetImageCount( wxInputStream& stream ) } while (TIFFReadDirectory(tif)); TIFFClose( tif ); - + // NOTE: this function modifies the current stream position but it's ok // (see wxImageHandler::GetImageCount) @@ -450,7 +463,9 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo if (!tif) { if (verbose) + { wxLogError( _("TIFF: Error saving image.") ); + } return false; } @@ -468,7 +483,7 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo switch ( res ) { default: - wxFAIL_MSG( _T("unknown image resolution units") ); + wxFAIL_MSG( wxT("unknown image resolution units") ); // fall through case wxIMAGE_RESOLUTION_NONE: @@ -530,7 +545,9 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo if (!buf) { if (verbose) + { wxLogError( _("TIFF: Couldn't allocate memory.") ); + } TIFFClose( tif ); @@ -576,7 +593,9 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo if ( TIFFWriteScanline(tif, buf ? buf : ptr, (uint32)row, 0) < 0 ) { if (verbose) + { wxLogError( _("TIFF: Error writing image.") ); + } TIFFClose( tif ); if (buf) @@ -609,4 +628,27 @@ bool wxTIFFHandler::DoCanRead( wxInputStream& stream ) #endif // wxUSE_STREAMS +/*static*/ wxVersionInfo wxTIFFHandler::GetLibraryVersionInfo() +{ + int major, + minor, + micro; + + const wxString ver(::TIFFGetVersion()); + if ( wxSscanf(ver, "LIBTIFF, Version %d.%d.%d", &major, &minor, µ) != 3 ) + { + wxLogDebug("Unrecognized libtiff version string \"%s\"", ver); + + major = + minor = + micro = 0; + } + + wxString copyright; + const wxString desc = ver.BeforeFirst('\n', ©right); + copyright.Replace("\n", ""); + + return wxVersionInfo("libtiff", major, minor, micro, desc, copyright); +} + #endif // wxUSE_LIBTIFF