X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/f6bcfd974ef26faf6f91a62cac09827e09463fd1..6feddea302d401adad1a97796675f8737d3b9d23:/src/common/imagtiff.cpp?ds=sidebyside diff --git a/src/common/imagtiff.cpp b/src/common/imagtiff.cpp index ec1a1bc534..0c741c92c1 100644 --- a/src/common/imagtiff.cpp +++ b/src/common/imagtiff.cpp @@ -20,7 +20,7 @@ #include "wx/defs.h" -#if wxUSE_LIBTIFF +#if wxUSE_IMAGE && wxUSE_LIBTIFF #include "wx/imagtiff.h" #include "wx/bitmap.h" @@ -37,21 +37,28 @@ extern "C" #include "wx/intl.h" #include "wx/module.h" +#ifndef TIFFLINKAGEMODE + #define TIFFLINKAGEMODE LINKAGEMODE +#endif + //----------------------------------------------------------------------------- // wxTIFFHandler //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxTIFFHandler,wxImageHandler) -static tsize_t +extern "C" +{ + +tsize_t TIFFLINKAGEMODE _tiffNullProc(thandle_t WXUNUSED(handle), - tdata_t WXUNUSED(buf), - tsize_t WXUNUSED(size)) + tdata_t WXUNUSED(buf), + tsize_t WXUNUSED(size)) { return (tsize_t) -1; } -static tsize_t +tsize_t TIFFLINKAGEMODE _tiffReadProc(thandle_t handle, tdata_t buf, tsize_t size) { wxInputStream *stream = (wxInputStream*) handle; @@ -59,7 +66,7 @@ _tiffReadProc(thandle_t handle, tdata_t buf, tsize_t size) return stream->LastRead(); } -static tsize_t +tsize_t TIFFLINKAGEMODE _tiffWriteProc(thandle_t handle, tdata_t buf, tsize_t size) { wxOutputStream *stream = (wxOutputStream*) handle; @@ -67,7 +74,7 @@ _tiffWriteProc(thandle_t handle, tdata_t buf, tsize_t size) return stream->LastWrite(); } -static toff_t +toff_t TIFFLINKAGEMODE _tiffSeekIProc(thandle_t handle, toff_t off, int whence) { wxInputStream *stream = (wxInputStream*) handle; @@ -83,7 +90,7 @@ _tiffSeekIProc(thandle_t handle, toff_t off, int whence) return (toff_t)stream->SeekI( (off_t)off, mode ); } -static toff_t +toff_t TIFFLINKAGEMODE _tiffSeekOProc(thandle_t handle, toff_t off, int whence) { wxOutputStream *stream = (wxOutputStream*) handle; @@ -99,20 +106,20 @@ _tiffSeekOProc(thandle_t handle, toff_t off, int whence) return (toff_t)stream->SeekO( (off_t)off, mode ); } -static int +int TIFFLINKAGEMODE _tiffCloseProc(thandle_t WXUNUSED(handle)) { return 0; // ? } -static toff_t +toff_t TIFFLINKAGEMODE _tiffSizeProc(thandle_t handle) { wxStreamBase *stream = (wxStreamBase*) handle; return (toff_t) stream->GetSize(); } -static int +int TIFFLINKAGEMODE _tiffMapProc(thandle_t WXUNUSED(handle), tdata_t* WXUNUSED(pbase), toff_t* WXUNUSED(psize)) @@ -120,13 +127,15 @@ _tiffMapProc(thandle_t WXUNUSED(handle), return 0; } -static void +void TIFFLINKAGEMODE _tiffUnmapProc(thandle_t WXUNUSED(handle), tdata_t WXUNUSED(base), toff_t WXUNUSED(size)) { } +} // extern "C" + TIFF* TIFFwxOpen(wxInputStream &stream, const char* name, const char* mode) { @@ -153,6 +162,9 @@ TIFFwxOpen(wxOutputStream &stream, const char* name, const char* mode) bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbose, int index ) { + if (index == -1) + index = 0; + image->Destroy(); TIFF *tif = TIFFwxOpen( stream, "image", "r" ); @@ -190,7 +202,7 @@ bool wxTIFFHandler::LoadFile( wxImage *image, wxInputStream& stream, bool verbos { if (verbose) wxLogError( _("TIFF: Couldn't allocate memory.") ); - + TIFFClose( tif ); return FALSE; @@ -301,11 +313,11 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); TIFFSetField(tif, TIFFTAG_COMPRESSION, COMPRESSION_LZW); - + tsize_t linebytes = (tsize_t)image->GetWidth() * 3; unsigned char *buf; - - if (TIFFScanlineSize(tif) > linebytes) + + if (TIFFScanlineSize(tif) > linebytes) { buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(tif)); if (!buf) @@ -317,30 +329,30 @@ bool wxTIFFHandler::SaveFile( wxImage *image, wxOutputStream& stream, bool verbo return FALSE; } - } - else + } + else { buf = NULL; } TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, TIFFDefaultStripSize(tif, (uint32) -1)); - + unsigned char *ptr = image->GetData(); - for (int row = 0; row < image->GetHeight(); row++) + for (int row = 0; row < image->GetHeight(); row++) { - if (buf) - memcpy(buf, ptr, image->GetWidth()); - - if (TIFFWriteScanline(tif, buf ? buf : ptr, (uint32)row, 0) < 0) + if (buf) + memcpy(buf, ptr, image->GetWidth()); + + if (TIFFWriteScanline(tif, buf ? buf : ptr, (uint32)row, 0) < 0) { - if (verbose) - wxLogError( _("TIFF: Error writing image.") ); - + if (verbose) + wxLogError( _("TIFF: Error writing image.") ); + TIFFClose( tif ); if (buf) _TIFFfree(buf); - + return FALSE; } ptr += image->GetWidth()*3;