// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
#pragma implementation "imagtiff.h"
#endif
default: mode = wxFromCurrent; break;
}
- return (toff_t)stream->SeekI( (off_t)off, mode );
+ return (toff_t)stream->SeekI( (wxFileOffset)off, mode );
}
toff_t TIFFLINKAGEMODE
default: mode = wxFromCurrent; break;
}
- return (toff_t)stream->SeekO( (off_t)off, mode );
+ return (toff_t)stream->SeekO( (wxFileOffset)off, mode );
}
int TIFFLINKAGEMODE
}
static void
-TIFFwxWarningHandler(const char* module, const char* fmt, va_list ap)
+TIFFwxWarningHandler(const char* module,
+ const char* WXUNUSED_IN_UNICODE(fmt),
+ va_list WXUNUSED_IN_UNICODE(ap))
{
if (module != NULL)
- wxLogWarning(_("tiff module: %s"), module);
- wxLogWarning((wxChar *) fmt, ap);
+ wxLogWarning(_("tiff module: %s"), wxString::FromAscii(module).c_str());
+
+ // FIXME: this is not terrible informative but better than crashing!
+#if wxUSE_UNICODE
+ wxLogWarning(_("TIFF library warning."));
+#else
+ wxVLogWarning(fmt, ap);
+#endif
}
-
+
static void
-TIFFwxErrorHandler(const char* module, const char* fmt, va_list ap)
+TIFFwxErrorHandler(const char* module,
+ const char* WXUNUSED_IN_UNICODE(fmt),
+ va_list WXUNUSED_IN_UNICODE(ap))
{
if (module != NULL)
- wxLogError(_("tiff module: %s"), module);
- wxVLogError((wxChar *) fmt, ap);
+ wxLogError(_("tiff module: %s"), wxString::FromAscii(module).c_str());
+
+ // FIXME: as above
+#if wxUSE_UNICODE
+ wxLogError(_("TIFF library error."));
+#else
+ wxVLogError(fmt, ap);
+#endif
}
} // extern "C"
if (verbose)
wxLogError( _("TIFF: Error loading image.") );
- return FALSE;
+ return false;
}
if (!TIFFSetDirectory( tif, (tdir_t)index ))
TIFFClose( tif );
- return FALSE;
+ return false;
}
uint32 w, h;
TIFFClose( tif );
- return FALSE;
+ return false;
}
image->Create( (int)w, (int)h );
_TIFFfree( raster );
TIFFClose( tif );
- return FALSE;
+ return false;
}
if (!TIFFReadRGBAImage( tif, w, h, raster, 0 ))
image->Destroy();
TIFFClose( tif );
- return FALSE;
+ return false;
}
- bool hasmask = FALSE;
+ bool hasmask = false;
unsigned char *ptr = image->GetData();
ptr += w*3*(h-1);
unsigned char alpha = (unsigned char)TIFFGetA(raster[pos]);
if (alpha < 127)
{
- hasmask = TRUE;
+ hasmask = true;
ptr[0] = image->GetMaskRed();
ptr++;
ptr[0] = image->GetMaskGreen();
image->SetMask( hasmask );
- return TRUE;
+ return true;
}
int wxTIFFHandler::GetImageCount( wxInputStream& stream )
if (verbose)
wxLogError( _("TIFF: Error saving image.") );
- return FALSE;
+ return false;
}
+ TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, (uint32)image->GetWidth());
TIFFSetField(tif, TIFFTAG_IMAGELENGTH, (uint32)image->GetHeight());
TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
- TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
- TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8);
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;
+ if ( image->HasOption(wxIMAGE_OPTION_RESOLUTIONX) &&
+ image->HasOption(wxIMAGE_OPTION_RESOLUTIONY) )
+ {
+ TIFFSetField(tif, TIFFTAG_XRESOLUTION,
+ (float)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONX));
+ TIFFSetField(tif, TIFFTAG_YRESOLUTION,
+ (float)image->GetOptionInt(wxIMAGE_OPTION_RESOLUTIONY));
+ }
+
+ int spp = image->GetOptionInt(wxIMAGE_OPTION_SAMPLESPERPIXEL);
+ if ( !spp )
+ spp = 3;
+
+ int bpp = image->GetOptionInt(wxIMAGE_OPTION_BITSPERSAMPLE);
+ if ( !bpp )
+ bpp=8;
+
+ int compression = image->GetOptionInt(wxIMAGE_OPTION_COMPRESSION);
+ if ( !compression )
+ compression=COMPRESSION_LZW;
+
+ TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, spp);
+ TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bpp);
+ TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, spp*bpp == 1 ? PHOTOMETRIC_MINISBLACK
+ : PHOTOMETRIC_RGB);
+ TIFFSetField(tif, TIFFTAG_COMPRESSION, compression);
+
+ // scanlinesize if determined by spp and bpp
+ tsize_t linebytes = (tsize_t)image->GetWidth() * spp * bpp / 8;
+
+ if ( (image->GetWidth() % 8 > 0) && (spp * bpp < 8) )
+ linebytes+=1;
+
unsigned char *buf;
- if (TIFFScanlineSize(tif) > linebytes)
+ if (TIFFScanlineSize(tif) > linebytes || (spp * bpp < 24))
{
buf = (unsigned char *)_TIFFmalloc(TIFFScanlineSize(tif));
if (!buf)
TIFFClose( tif );
- return FALSE;
+ return false;
}
}
else
buf = NULL;
}
- TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP,
- TIFFDefaultStripSize(tif, (uint32) -1));
+ 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 ( buf )
+ {
+ if ( spp * bpp > 1 )
+ {
+ // color image
+ memcpy(buf, ptr, image->GetWidth());
+ }
+ else // black and white image
+ {
+ for ( int column = 0; column < linebytes; column++ )
+ {
+ uint8 reverse = 0;
+ for ( int bp = 0; bp < 8; bp++ )
+ {
+ if ( ptr[column*24 + bp*3] > 0 )
+ {
+ // check only red as this is sufficient
+ reverse = reverse | 128 >> bp;
+ }
+ }
+
+ buf[column] = reverse;
+ }
+ }
+ }
- if (TIFFWriteScanline(tif, buf ? buf : ptr, (uint32)row, 0) < 0)
+ if ( TIFFWriteScanline(tif, buf ? buf : ptr, (uint32)row, 0) < 0 )
{
if (verbose)
wxLogError( _("TIFF: Error writing image.") );
if (buf)
_TIFFfree(buf);
- return FALSE;
+ return false;
}
+
ptr += image->GetWidth()*3;
}
(void) TIFFClose(tif);
if (buf)
- _TIFFfree(buf);
+ _TIFFfree(buf);
- return TRUE;
+ return true;
}
bool wxTIFFHandler::DoCanRead( wxInputStream& stream )
{
unsigned char hdr[2];
- if ( !stream.Read(&hdr, WXSIZEOF(hdr)) )
- return FALSE;
+ if ( !stream.Read(&hdr[0], WXSIZEOF(hdr)) )
+ return false;
return (hdr[0] == 'I' && hdr[1] == 'I') ||
(hdr[0] == 'M' && hdr[1] == 'M');
projects / wxWidgets.git / blobdiff