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Diffstat (limited to 'src/blueshift_randr.pyx')
| -rw-r--r-- | src/blueshift_randr.pyx | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/src/blueshift_randr.pyx b/src/blueshift_randr.pyx deleted file mode 100644 index 842a026..0000000 --- a/src/blueshift_randr.pyx +++ /dev/null @@ -1,161 +0,0 @@ -# -*- python -*- - -# Copyright © 2014 Mattias Andrée (maandree@member.fsf.org) -# -# This program is free software: you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation, either version 3 of the License, or -# (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program. If not, see <http://www.gnu.org/licenses/>. - -cimport cython -from libc.stdlib cimport malloc, free -from libc.stdint cimport * - - -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 uint16_t* 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(int use_crtc, uint16_t* r_curve, uint16_t* g_curve, uint16_t* b_curve) -''' -Apply stage of colour curve control - -@param use_crtc The CRTC to use, -1 for all -@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 -''' - - - -cdef uint16_t* r_c -''' -Storage space for the red colour curve in C native data structure -''' - -cdef uint16_t* g_c -''' -Storage space for the green colour curve in C native data structure -''' - -cdef uint16_t* b_c -''' -Storage space for the blue colour curve in C native data structure -''' - - - -def randr_open(int use_screen, display): - ''' - Start stage of colour curve control - - @param use_screen The screen to use - @param display:bytes? The display to use, `None` for the current - @return :int Zero on success - ''' - global r_c, g_c, b_c - # Get the display to use - cdef char* display_ = NULL - if display is not None: - display_ = display - # Allocate the storage space for the C native colour curves - r_c = <uint16_t*>malloc(256 * sizeof(uint16_t)) - g_c = <uint16_t*>malloc(256 * sizeof(uint16_t)) - b_c = <uint16_t*>malloc(256 * sizeof(uint16_t)) - # Check for out-of-memory error - if (r_c is NULL) or (g_c is NULL) or (b_c is NULL): - raise MemoryError() - # Start using RandR for the screen and display - return blueshift_randr_open(use_screen, display_) - - -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 uint16_t* got - # Read the current curves - got = blueshift_randr_read(use_crtc) - if got is NULL: - raise Exception() - # Convert to Python integer lists - r, g, b, i = [], [], [], 0 - for c in (r, g, b): - # while extracting the sizes of the curves - s = got[i] - i += 1 - for j in range(s): - c.append(got[i + j]) - i += s - # Free the native curves - free(got) - return (r, g, b) - - -def randr_apply(crtc_indices, r_curve, g_curve, b_curve): - ''' - Apply stage of colour curve control - - @param crtc_indices:list<int> The indices of the CRTC:s to control, -1 for all - @param r_curve:list<int> The red colour curve - @param g_curve:list<int> The green colour curve - @param b_curve:list<int> The blue colour curve - @return :int Zero on success - ''' - # Convert curves to 16-bit C integers - for i in range(256): - r_c[i] = r_curve[i] & 0xFFFF - g_c[i] = g_curve[i] & 0xFFFF - b_c[i] = b_curve[i] & 0xFFFF - rc = 0 - # For each selected CRTC, - for crtc_index in crtc_indices: - # apply curves. - rc |= blueshift_randr_apply(crtc_index, r_c, g_c, b_c) - return rc - - -def randr_close(): - ''' - Resource freeing stage of colour curve control - ''' - # Free the storage space for the colour curves - free(r_c) - free(g_c) - free(b_c) - # Close free all resources in the native code - blueshift_randr_close() - |