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    Searched refs:screen_gamma (Results 1 - 5 of 5) sorted by null

  /external/libpng/
example.c 240 screen_gamma = user-defined screen_gamma;
243 else if ((gamma_str = getenv("SCREEN_GAMMA")) != NULL)
245 screen_gamma = atof(gamma_str);
250 screen_gamma = 2.2; /* A good guess for a PC monitor in a dimly
252 screen_gamma = 1.7 or 1.0; /* A good guess for Mac systems */
264 png_set_gamma(png_ptr, screen_gamma, 0.45455);
269 png_set_gamma(png_ptr, screen_gamma, image_gamma);
271 png_set_gamma(png_ptr, screen_gamma, 0.45455);
pngrtran.c 542 /* Transform the image from the file_gamma to the screen_gamma. We
543 * only do transformations on images where the file_gamma and screen_gamma
564 png_ptr->screen_gamma = (float)scrn_gamma;
912 && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0)
958 g = (png_ptr->screen_gamma);
964 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
970 png_ptr->screen_gamma);
    [all...]
png.h     [all...]
  /external/qemu/distrib/libpng-1.2.19/
pngrtran.c 517 /* Transform the image from the file_gamma to the screen_gamma. We
518 * only do transformations on images where the file_gamma and screen_gamma
536 png_ptr->screen_gamma = (float)scrn_gamma;
849 && (fabs(png_ptr->screen_gamma * png_ptr->gamma - 1.0)
895 g = (png_ptr->screen_gamma);
900 gs = 1.0 / (png_ptr->gamma * png_ptr->screen_gamma);
905 png_ptr->screen_gamma);
    [all...]
png.h 1226 float screen_gamma; \/* screen gamma value (display_exponent) *\/ member in struct:png_struct_def
    [all...]

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