diff options
Diffstat (limited to 'render/picture.c')
| -rw-r--r-- | render/picture.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/render/picture.c b/render/picture.c index 566d91e09..a9910ab27 100644 --- a/render/picture.c +++ b/render/picture.c @@ -1459,18 +1459,24 @@ SetPictureClipRegion (PicturePtr pPicture, return result; } +static Bool +transformIsIdentity(PictTransform *t) +{ + return ((t->matrix[0][0] == t->matrix[1][1]) && + (t->matrix[0][0] == t->matrix[2][2]) && + (t->matrix[0][1] == 0) && + (t->matrix[0][2] == 0) && + (t->matrix[1][0] == 0) && + (t->matrix[1][2] == 0) && + (t->matrix[2][0] == 0) && + (t->matrix[2][1] == 0)); +} int SetPictureTransform (PicturePtr pPicture, PictTransform *transform) { - static const PictTransform identity = { { - { xFixed1, 0x00000, 0x00000 }, - { 0x00000, xFixed1, 0x00000 }, - { 0x00000, 0x00000, xFixed1 }, - } }; - - if (transform && memcmp (transform, &identity, sizeof (PictTransform)) == 0) + if (transform && transformIsIdentity (transform)) transform = 0; if (transform) |