Mercurial > sdl-ios-xcode
view src/video/windows/SDL_windowsgamma.c @ 5150:ad50b3db78bd
The rendering functions take a context so it's clear what window they're drawing to. This also potentially opens to the door to multi-threaded rendering in the future.
author | Sam Lantinga <slouken@libsdl.org> |
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date | Tue, 01 Feb 2011 19:19:43 -0800 |
parents | e8916fe9cfc8 |
children |
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/* SDL - Simple DirectMedia Layer Copyright (C) 1997-2010 Sam Lantinga This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library 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 Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Sam Lantinga slouken@libsdl.org */ #include "SDL_config.h" #include "SDL_windowsvideo.h" int WIN_SetDisplayGammaRamp(_THIS, SDL_VideoDisplay * display, Uint16 * ramp) { #ifdef _WIN32_WCE return -1; #else SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata; HDC hdc; BOOL succeeded = FALSE; hdc = CreateDC(data->DeviceName, NULL, NULL, NULL); if (hdc) { succeeded = SetDeviceGammaRamp(hdc, ramp); if (!succeeded) { WIN_SetError("SetDeviceGammaRamp()"); } DeleteDC(hdc); } return succeeded ? 0 : -1; #endif } int WIN_GetDisplayGammaRamp(_THIS, SDL_VideoDisplay * display, Uint16 * ramp) { #ifdef _WIN32_WCE return -1; #else SDL_DisplayData *data = (SDL_DisplayData *) display->driverdata; HDC hdc; BOOL succeeded = FALSE; hdc = CreateDC(data->DeviceName, NULL, NULL, NULL); if (hdc) { succeeded = GetDeviceGammaRamp(hdc, ramp); if (!succeeded) { WIN_SetError("GetDeviceGammaRamp()"); } DeleteDC(hdc); } return succeeded ? 0 : -1; #endif } /* vi: set ts=4 sw=4 expandtab: */