diff options
Diffstat (limited to 'vcl/source/filter/graphicfilter2.cxx')
| -rw-r--r-- | vcl/source/filter/graphicfilter2.cxx | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/vcl/source/filter/graphicfilter2.cxx b/vcl/source/filter/graphicfilter2.cxx index ebebf829a33f..dd13e8123340 100644 --- a/vcl/source/filter/graphicfilter2.cxx +++ b/vcl/source/filter/graphicfilter2.cxx @@ -25,6 +25,7 @@ #include <vcl/outdev.hxx> #include <vcl/graphicfilter.hxx> #include <unotools/ucbstreamhelper.hxx> +#include <filter/WebpReader.hxx> #include "graphicfilter_internal.hxx" #define DATA_SIZE 640 @@ -87,6 +88,7 @@ bool GraphicDescriptor::Detect( bool bExtendedInfo ) else if ( ImpDetectPSD( rStm, bExtendedInfo ) ) bRet = true; else if ( ImpDetectEPS( rStm, bExtendedInfo ) ) bRet = true; else if ( ImpDetectPCD( rStm, bExtendedInfo ) ) bRet = true; + else if ( ImpDetectWEBP( rStm, bExtendedInfo ) ) bRet = true; rStm.SetEndian( nOldFormat ); } @@ -1143,6 +1145,36 @@ bool GraphicDescriptor::ImpDetectSVG( SvStream& /*rStm*/, bool /*bExtendedInfo*/ return bRet; } +bool GraphicDescriptor::ImpDetectWEBP( SvStream& rStm, bool bExtendedInfo ) +{ + sal_uInt32 nTemp32 = 0; + bool bRet = false; + + sal_Int32 nStmPos = rStm.Tell(); + rStm.SetEndian( SvStreamEndian::BIG ); + rStm.ReadUInt32( nTemp32 ); + + if ( nTemp32 == 0x52494646 ) + { + rStm.ReadUInt32( nTemp32 ); // skip + rStm.ReadUInt32( nTemp32 ); + if ( nTemp32 == 0x57454250 ) + { + nFormat = GraphicFileFormat::WEBP; + bRet = true; + + if ( bExtendedInfo ) + { + rStm.Seek(nStmPos); + ReadWebpInfo(rStm, aPixSize, nBitsPerPixel, bIsAlpha ); + bIsTransparent = bIsAlpha; + } + } + } + rStm.Seek( nStmPos ); + return bRet; +} + OUString GraphicDescriptor::GetImportFormatShortName( GraphicFileFormat nFormat ) { const char *pKeyName = nullptr; @@ -1172,6 +1204,7 @@ OUString GraphicDescriptor::GetImportFormatShortName( GraphicFileFormat nFormat case GraphicFileFormat::WMF : pKeyName = "wmf"; break; case GraphicFileFormat::EMF : pKeyName = "emf"; break; case GraphicFileFormat::SVG : pKeyName = "svg"; break; + case GraphicFileFormat::WEBP : pKeyName = "webp"; break; default: assert(false); } |