Searched defs:file_gamma (Results 1 - 5 of 5) sorted by relevance

/vbox/src/libs/libpng-1.2.8/
H A Dpngget.c441 png_get_gAMA(png_structp png_ptr, png_infop info_ptr, double *file_gamma) argument
444 && file_gamma != NULL)
447 *file_gamma = (double)info_ptr->gamma;
H A Dpngset.c142 png_set_gAMA(png_structp png_ptr, png_infop info_ptr, double file_gamma) argument
150 if (file_gamma > 21474.83)
156 gamma=file_gamma;
579 float file_gamma; local
602 file_gamma = (float).45455;
603 png_set_gAMA(png_ptr, info_ptr, file_gamma);
H A Dpngrtran.c521 /* Transform the image from the file_gamma to the screen_gamma. We
522 * only do transformations on images where the file_gamma and screen_gamma
531 png_set_gamma(png_structp png_ptr, double scrn_gamma, double file_gamma) argument
534 if ((fabs(scrn_gamma * file_gamma - 1.0) > PNG_GAMMA_THRESHOLD) ||
538 png_ptr->gamma = (float)file_gamma;
H A Dpngrutil.c572 float file_gamma; local
635 file_gamma = (float)igamma / (float)100000.0;
637 png_ptr->gamma = file_gamma;
639 png_set_gAMA(png_ptr, info_ptr, file_gamma);
H A Dpngwutil.c668 png_write_gAMA(png_structp png_ptr, double file_gamma) argument
677 /* file_gamma is saved in 1/100,000ths */
678 igamma = (png_uint_32)(file_gamma * 100000.0 + 0.5);
685 png_write_gAMA_fixed(png_structp png_ptr, png_fixed_point file_gamma) argument
693 /* file_gamma is saved in 1/100,000ths */
694 png_save_uint_32(buf, (png_uint_32)file_gamma);

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