Lines Matching refs:trans_alpha
1123 if (png_ptr->trans_alpha[i] == 255)
1125 else if (png_ptr->trans_alpha[i] == 0)
1181 png_ptr->trans_alpha[i] = (png_byte)(255 -
1182 png_ptr->trans_alpha[i]);
1675 png_ptr->trans_alpha[i] != 0xff)
1677 if (png_ptr->trans_alpha[i] == 0)
1681 else /* if (png_ptr->trans_alpha[i] != 0xff) */
1686 png_composite(w, v, png_ptr->trans_alpha[i], back_1.red);
1690 png_composite(w, v, png_ptr->trans_alpha[i], back_1.green);
1694 png_composite(w, v, png_ptr->trans_alpha[i], back_1.blue);
1851 if (png_ptr->trans_alpha[i] == 0)
1856 else if (png_ptr->trans_alpha[i] != 0xff)
1860 png_ptr->trans_alpha[i], back.red);
1863 png_ptr->trans_alpha[i], back.green);
1866 png_ptr->trans_alpha[i], back.blue);
4198 png_const_colorp palette, png_const_bytep trans_alpha, int num_trans)
4308 *dp-- = trans_alpha[*sp];
4742 png_ptr->palette, png_ptr->trans_alpha, png_ptr->num_trans);