Lines Matching refs:back
1608 png_color back, back_1;
1615 back.red = png_ptr->gamma_table[png_ptr->background.red];
1616 back.green = png_ptr->gamma_table[png_ptr->background.green];
1617 back.blue = png_ptr->gamma_table[png_ptr->background.blue];
1647 gs = PNG_FP_1; /* back */
1653 back.red = png_gamma_8bit_correct(png_ptr->background.red,
1655 back.green = png_gamma_8bit_correct(png_ptr->background.green,
1657 back.blue = png_gamma_8bit_correct(png_ptr->background.blue,
1663 back.red = (png_byte)png_ptr->background.red;
1664 back.green = (png_byte)png_ptr->background.green;
1665 back.blue = (png_byte)png_ptr->background.blue;
1693 palette[i] = back;
1856 png_color back;
1859 back.red = (png_byte)png_ptr->background.red;
1860 back.green = (png_byte)png_ptr->background.green;
1861 back.blue = (png_byte)png_ptr->background.blue;
1867 palette[i] = back;
1874 png_ptr->trans_alpha[i], back.red);
1877 png_ptr->trans_alpha[i], back.green);
1880 png_ptr->trans_alpha[i], back.blue);
2245 * pixels back to their significant bits values. Thus, if you have
2247 * the values back to 0 through 31.