svx/source/xml/xmlgrhlp.cxx | 28 +++++++++++++++++++++++++++-
1 file changed, 27 insertions(+), 1 deletion(-)
New commits:
commit ad0edc184792f3aa3f72e8d4ec8b76c3d1bf8479
Author: Thorsten Behrens <thorsten.behr...@cib.de>
Date: Mon Dec 7 23:40:39 2015 +0100
Related: tdf#71622 compress more gfx in odf streams
Except for jpeg and png, most natively-stored image fileformats compress
rather well with zlib. adding a number of vector and pixel formats.
Change-Id: I97407a98f620520b0d11552911d2339bf004dc5b
Reviewed-on: https://gerrit.libreoffice.org/20461
Tested-by: Jenkins <c...@libreoffice.org>
Reviewed-by: Thorsten Behrens <thorsten.behr...@cib.de>
diff --git a/svx/source/xml/xmlgrhlp.cxx b/svx/source/xml/xmlgrhlp.cxx
index da12446..58cd9b4 100644
--- a/svx/source/xml/xmlgrhlp.cxx
+++ b/svx/source/xml/xmlgrhlp.cxx
@@ -534,7 +534,33 @@ bool SvXMLGraphicHelper::ImplWriteGraphic( const OUString&
rPictureStorageName,
xProps->setPropertyValue( "MediaType", aAny );
}
- const bool bCompressed = aMimeType.isEmpty() || aMimeType ==
"image/tiff" || aMimeType == "image/svg+xml";
+ // picture formats that actuall _do_ benefit from zip
+ // storage compression
+ // .svm pics gets compressed via ZBITMAP old-style stream
+ // option below
+ static const char* aCompressiblePics[] =
+ {
+ "image/svg+xml",
+ "image/x-wmf",
+ "image/tiff",
+ "image/x-eps",
+ "image/bmp",
+ "image/x-pict"
+ };
+
+ bool bCompressed = aMimeType.isEmpty();
+ if( !bCompressed )
+ {
+ for( size_t i = 0; i < SAL_N_ELEMENTS(aCompressiblePics); ++i )
+ {
+ if(
aMimeType.equalsIgnoreAsciiCaseAscii(aCompressiblePics[i]) )
+ {
+ bCompressed = true;
+ break;
+ }
+ }
+ }
+
aAny <<= bCompressed;
xProps->setPropertyValue( "Compressed", aAny );
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