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Diffstat (limited to 'include/mupdf/fitz/geometry.h')
| -rw-r--r-- | include/mupdf/fitz/geometry.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/mupdf/fitz/geometry.h b/include/mupdf/fitz/geometry.h index f44b4f6c..04abf5b9 100644 --- a/include/mupdf/fitz/geometry.h +++ b/include/mupdf/fitz/geometry.h @@ -273,6 +273,12 @@ static inline fz_matrix fz_make_matrix(float a, float b, float c, float d, float return m; } +static inline int fz_is_identity(fz_matrix m) +{ + return m.a == 1 && m.b == 0 && m.c == 0 && m.d == 1 && m.e == 0 && m.f == 0; +} + + /* fz_concat: Multiply two matrices. |