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Diffstat (limited to 'src/blueshift_vidmode.pyx')
| -rw-r--r-- | src/blueshift_vidmode.pyx | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/blueshift_vidmode.pyx b/src/blueshift_vidmode.pyx deleted file mode 100644 index f5d3760..0000000 --- a/src/blueshift_vidmode.pyx +++ /dev/null @@ -1,155 +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_vidmode_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 error, otherwise the size of colours curves -''' - -cdef extern int blueshift_vidmode_read(uint16_t* r_curve, uint16_t* g_curve, uint16_t* b_curve) -''' -Gets the current colour curves - -@param r_gamma Storage location for the red colour curve -@param g_gamma Storage location for the green colour curve -@param b_gamma Storage location for the blue colour curve -@return Zero on success -''' - -cdef extern int blueshift_vidmode_apply(uint16_t* r_curve, uint16_t* g_curve, uint16_t* b_curve) -''' -Apply stage of colour curve control - -@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_vidmode_close() -''' -Resource freeing stage of colour curve control -''' - - - -cdef int vidmode_gamma_size -''' -The size of the curves -''' -vidmode_gamma_size = 0 - - -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 vidmode_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 :bool Whether call was successful - ''' - global vidmode_gamma_size, 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 VidMode for the screen and display - vidmode_gamma_size = blueshift_vidmode_open(use_screen, display_) - # Successful only if we got an even usable size for the curves - return vidmode_gamma_size > 1 - - -def vidmode_read(): - ''' - Gets the current colour curves - - @return :(r:list<int>, g:list<int>, b:list<int>) The current red, green and blue colour curves - ''' - # Read the current curves - if not blueshift_vidmode_read(r_c, g_c, b_c) == 0: - raise Exception() - # Convert to Python integer lists - r, g, b = [], [], [] - for i in range(vidmode_gamma_size): - r.append(r_c[i]) - g.append(g_c[i]) - b.append(b_c[i]) - return (r, g, b) - - -def vidmode_apply(r_curve, g_curve, b_curve): - ''' - Apply stage of colour curve control - - @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 - # Apply curves - return blueshift_vidmode_apply(r_c, g_c, b_c) - - -def vidmode_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_vidmode_close() - |