diff options
| author | Jeff Muizelaar <jeff@infidigm.net> | 2006-04-05 17:20:56 +0000 |
|---|---|---|
| committer | Jeff Muizelaar <jeff@infidigm.net> | 2006-04-05 17:20:56 +0000 |
| commit | 315f8e488d3db848f88a06c7568b6583bbf0e432 (patch) | |
| tree | 03ed55fa9a68cf27822d7747c398c81d0fd4c8cf /poppler | |
| parent | 0d311518f678a479c1efeaec15011e0a34de80fc (diff) | |
2006-04-05 Jeff Muizelaar <jeff@infidigm.net>
* poppler/CairoOutputDev.cc: use a separate matrix for the softmask.
fixes #6492.
Diffstat (limited to 'poppler')
| -rw-r--r-- | poppler/CairoOutputDev.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/poppler/CairoOutputDev.cc b/poppler/CairoOutputDev.cc index fd00bfcc..6fa5e4ee 100644 --- a/poppler/CairoOutputDev.cc +++ b/poppler/CairoOutputDev.cc @@ -594,6 +594,7 @@ void CairoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *s int alpha, i; double *ctm; cairo_matrix_t matrix; + cairo_matrix_t maskMatrix; int is_identity_transform; buffer = (unsigned char *)gmalloc (width * height * 4); @@ -636,10 +637,18 @@ void CairoOutputDev::drawSoftMaskedImage(GfxState *state, Object *ref, Stream *s matrix.x0 = ctm[2] + ctm[4]; matrix.y0 = ctm[3] + ctm[5]; + maskMatrix.xx = ctm[0] / maskWidth; + maskMatrix.xy = -ctm[2] / maskHeight; + maskMatrix.yx = ctm[1] / maskWidth; + maskMatrix.yy = -ctm[3] / maskHeight; + maskMatrix.x0 = ctm[2] + ctm[4]; + maskMatrix.y0 = ctm[3] + ctm[5]; + cairo_matrix_invert (&matrix); + cairo_matrix_invert (&maskMatrix); cairo_pattern_set_matrix (pattern, &matrix); - cairo_pattern_set_matrix (maskPattern, &matrix); + cairo_pattern_set_matrix (maskPattern, &maskMatrix); cairo_pattern_set_filter (pattern, CAIRO_FILTER_BILINEAR); cairo_set_source (cairo, pattern); |