diff options
Diffstat (limited to 'src/gamma-w32gdi.c')
| -rw-r--r-- | src/gamma-w32gdi.c | 46 |
1 files changed, 35 insertions, 11 deletions
diff --git a/src/gamma-w32gdi.c b/src/gamma-w32gdi.c index 3d67331..298528b 100644 --- a/src/gamma-w32gdi.c +++ b/src/gamma-w32gdi.c @@ -14,7 +14,7 @@ You should have received a copy of the GNU General Public License along with Redshift. If not, see <http://www.gnu.org/licenses/>. - Copyright (c) 2010-2014 Jon Lund Steffensen <jonlst@gmail.com> + Copyright (c) 2010-2017 Jon Lund Steffensen <jonlst@gmail.com> */ #include <stdio.h> @@ -40,16 +40,26 @@ #define MAX_ATTEMPTS 10 -int -w32gdi_init(w32gdi_state_t *state) +typedef struct { + WORD *saved_ramps; + int preserve; +} w32gdi_state_t; + + +static int +w32gdi_init(w32gdi_state_t **state) { - state->saved_ramps = NULL; - state->preserve = 1; + *state = malloc(sizeof(w32gdi_state_t)); + if (state == NULL) return -1; + + w32gdi_state_t *s = *state; + s->saved_ramps = NULL; + s->preserve = 1; return 0; } -int +static int w32gdi_start(w32gdi_state_t *state) { BOOL r; @@ -91,15 +101,17 @@ w32gdi_start(w32gdi_state_t *state) return 0; } -void +static void w32gdi_free(w32gdi_state_t *state) { /* Free saved ramps */ free(state->saved_ramps); + + free(state); } -void +static void w32gdi_print_help(FILE *f) { fputs(_("Adjust gamma ramps with the Windows GDI.\n"), f); @@ -113,7 +125,7 @@ w32gdi_print_help(FILE *f) fputs("\n", f); } -int +static int w32gdi_set_option(w32gdi_state_t *state, const char *key, const char *value) { if (strcasecmp(key, "preserve") == 0) { @@ -126,7 +138,7 @@ w32gdi_set_option(w32gdi_state_t *state, const char *key, const char *value) return 0; } -void +static void w32gdi_restore(w32gdi_state_t *state) { /* Open device context */ @@ -150,7 +162,7 @@ w32gdi_restore(w32gdi_state_t *state) ReleaseDC(NULL, hDC); } -int +static int w32gdi_set_temperature(w32gdi_state_t *state, const color_setting_t *setting) { @@ -215,3 +227,15 @@ w32gdi_set_temperature(w32gdi_state_t *state, return 0; } + + +const gamma_method_t w32gdi_gamma_method = { + "wingdi", 1, + (gamma_method_init_func *)w32gdi_init, + (gamma_method_start_func *)w32gdi_start, + (gamma_method_free_func *)w32gdi_free, + (gamma_method_print_help_func *)w32gdi_print_help, + (gamma_method_set_option_func *)w32gdi_set_option, + (gamma_method_restore_func *)w32gdi_restore, + (gamma_method_set_temperature_func *)w32gdi_set_temperature +}; |