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Bug 206312 Some rle4 bitmaps not recognised r=biesi sr=tor a=mkaply

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This commit is contained in:
neil%parkwaycc.co.uk 2003-05-23 08:38:07 +00:00
parent 13da6b1dd4
commit 6a04aff08a
1 changed files with 10 additions and 1 deletions
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11
modules/libpr0n/decoders/bmp/nsBMPDecoder.cpp
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@ -579,7 +579,16 @@ NS_METHOD nsBMPDecoder::ProcessData(const char* aBuffer, PRUint32 aCount)
memset(mAlphaPtr, 0xFF, mStateData);
mAlphaPtr += mStateData;
if ((mStateData & 1) == 0)
// See if we will need to skip a byte
// to word align the pixel data
// mStateData is a number of pixels
// so allow for the RLE compression type
// Pixels RLE8=1 RLE4=2
// 1 Pad Pad
// 2 No Pad
// 3 Pad No
// 4 No No
if (((mStateData - 1) & mBIH.compression) != 0)
mState = eRLEStateAbsoluteMode;
else
mState = eRLEStateAbsoluteModePadded;