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Diffstat (limited to 'src/blueshift_randr.pyx')
| -rw-r--r-- | src/blueshift_randr.pyx | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/blueshift_randr.pyx b/src/blueshift_randr.pyx index a289c83..76a6f86 100644 --- a/src/blueshift_randr.pyx +++ b/src/blueshift_randr.pyx @@ -20,6 +20,7 @@ from libc.stdlib cimport malloc, free cdef extern int blueshift_randr_open(int use_screen) +cdef extern unsigned short int* blueshift_randr_read(int use_crtc) cdef extern int blueshift_randr_apply(unsigned long long int use_crtcs, unsigned short int* r_curve, unsigned short int* g_curve, @@ -37,6 +38,28 @@ def randr_open(int use_screen): return blueshift_randr_open(use_screen) +def randr_read(int use_crtc): + ''' + Gets the current colour curves + + @param use_crtc The CRTC to use + @return :(r:list<int>, g:list<int>, b:list<int>) The current red, green and blue colour curves + ''' + cdef unsigned short int* got + got = blueshift_randr_read(use_crtc) + if got is NULL: + raise Exception() + r, g, b, i = [], [], [], 0 + for c in (r, g, b): + s = got[i] + i += 1 + for j in range(s): + c.append(s[i + j]) + i += s + free(got) + return (r, g, b) + + def randr_apply(unsigned long long use_crtcs, r_curve, g_curve, b_curve): ''' Apply stage of colour curve control |