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-rw-r--r--src/blueshift_randr.pyx31
1 files changed, 31 insertions, 0 deletions
diff --git a/src/blueshift_randr.pyx b/src/blueshift_randr.pyx
index 80caab1..a4e80bc 100644
--- a/src/blueshift_randr.pyx
+++ b/src/blueshift_randr.pyx
@@ -20,12 +20,43 @@ from libc.stdlib cimport malloc, free
cdef extern int blueshift_randr_open(int use_screen, char* display)
+'''
+Start stage of colour curve control
+
+@param use_screen The screen to use
+@param display The display to use, `NULL` for the current one
+@return Zero on success
+'''
+
cdef extern unsigned short int* blueshift_randr_read(int use_crtc)
+'''
+Gets the current colour curves
+
+@param use_crtc The CRTC to use
+@return {the size of the red curve, *the red curve,
+ the size of the green curve, *the green curve,
+ the size of the blue curve, *the blue curve},
+ needs to be free:d. `NULL` on error.
+'''
+
cdef extern int blueshift_randr_apply(unsigned long long int use_crtcs,
unsigned short int* r_curve,
unsigned short int* g_curve,
unsigned short int* b_curve)
+'''
+Apply stage of colour curve control
+
+@param use_crtcs Mask of CRTC:s to use
+@param r_curve The red colour curve
+@param g_curve The green colour curve
+@param b_curve The blue colour curve
+@return Zero on success
+'''
+
cdef extern void blueshift_randr_close()
+'''
+Resource freeing stage of colour curve control
+'''