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| -rw-r--r-- | src/fake_quartz.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/fake_quartz.h b/src/fake_quartz.h new file mode 100644 index 0000000..dc13b81 --- /dev/null +++ b/src/fake_quartz.h @@ -0,0 +1,58 @@ +/** + * 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/>. + */ +#ifndef BLUESHIFT_FAKE_QUARTZ_H +#define BLUESHIFT_FAKE_QUARTZ_H + + +/* This header file contains some capabilities of + <CoreGraphics/CGDirectDisplay.h> and <CoreGraphics/CGError.h>, + and can be used modify gamma ramps without Mac OS X and Quartz + but with its API. + + The content of this file is based on the documentation found on: + + https://developer.apple.com/library/mac/documentation/GraphicsImaging/Reference/Quartz_Services_Ref/Reference/reference.html + + https://developer.apple.com/library/mac/documentation/CoreGraphics/Reference/CoreGraphicsConstantsRef/Reference/reference.html#//apple_ref/c/tdef/CGError +*/ + + +#include <stdint.h> + + +typedef int32_t CGError; +#define kCGErrorSuccess 0 + +typedef float CGGammaValue; +typedef uint32_t CGDirectDisplayID; + + +CGError CGGetActiveDisplayList(uint32_t max_size, CGDirectDisplayID* displays_out, uint32_t* count_out); + +CGError CGSetDisplayTransferByTable(CGDirectDisplayID display, uint32_t gamma_size, const CGGammaValue* red, + const CGGammaValue* green, const CGGammaValue* blue); + +CGError CGGetDisplayTransferByTable(CGDirectDisplayID display, uint32_t gamma_size, CGGammaValue* red, + CGGammaValue* green, CGGammaValue* blue, uint32_t *gamma_size_out); + +void CGDisplayRestoreColorSyncSettings(void); + +uint32_t CGDisplayGammaTableCapacity(CGDirectDisplayID display); + + +#endif + |