diff options
| author |  reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-01-06 14:43:09 +0000 |
|---|---|---|
| committer | reed@google.com <reed@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2012-01-06 14:43:09 +0000 |
| commit | b55deeb1c7c692023603639a9b29c0e3de124eac (patch) | |
| tree | 700cd48c2047c233ab2a8ed27331b48eff2e517f /include/core/SkDevice.h | |
| parent | 3c10a0871b1a664441ff53df9a8c57005e247116 (diff) | |
add allowImageFilter() so a device can allow/disallow filters
(esp. for printing)
git-svn-id: http://skia.googlecode.com/svn/trunk@2981 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'include/core/SkDevice.h')
| -rw-r--r-- | include/core/SkDevice.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/include/core/SkDevice.h b/include/core/SkDevice.h index 8c351f9e51..c026a4b493 100644 --- a/include/core/SkDevice.h +++ b/include/core/SkDevice.h @@ -310,9 +310,18 @@ protected: virtual void unlockPixels(); /** + * Returns true if the device allows processing of this imagefilter. If + * false is returned, then the filter is ignored. This may happen for + * some subclasses that do not support pixel manipulations after drawing + * has occurred (e.g. printing). The default implementation returns true. + */ + virtual bool allowImageFilter(SkImageFilter*); + + /** * Override and return true for filters that the device handles * intrinsically. Returning false means call the filter. - * Default impl returns false. + * Default impl returns false. This will only be called if allowImageFilter() + * returned true. */ virtual bool filterImage(SkImageFilter*, const SkBitmap& src, const SkMatrix& ctm, |