Cross Reference: /external/libpng/pngrtran.c

Lines Matching defs:row_info
2134 png_do_unpack(png_row_infop row_info, png_bytep row)
2138    if (row_info->bit_depth < 8)
2141       png_uint_32 row_width=row_info->width;
2143       switch (row_info->bit_depth)
2218       row_info->bit_depth = 8;
2219       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2220       row_info->rowbytes = row_width * row_info->channels;
2232 png_do_unshift(png_row_infop row_info, png_bytep row,
2240    color_type = row_info->color_type;
2246       int bit_depth = row_info->bit_depth;
2296             png_bytep bp_end = bp + row_info->rowbytes;
2311             png_bytep bp_end = bp + row_info->rowbytes;
2329             png_bytep bp_end = bp + row_info->rowbytes;
2347             png_bytep bp_end = bp + row_info->rowbytes;
2371 png_do_scale_16_to_8(png_row_infop row_info, png_bytep row)
2375    if (row_info->bit_depth == 16)
2379       png_bytep ep = sp + row_info->rowbytes; /* end+1 */
2420       row_info->bit_depth = 8;
2421       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2422       row_info->rowbytes = row_info->width * row_info->channels;
2432 png_do_chop(png_row_infop row_info, png_bytep row)
2436    if (row_info->bit_depth == 16)
2440       png_bytep ep = sp + row_info->rowbytes; /* end+1 */
2448       row_info->bit_depth = 8;
2449       row_info->pixel_depth = (png_byte)(8 * row_info->channels);
2450       row_info->rowbytes = row_info->width * row_info->channels;
2457 png_do_read_swap_alpha(png_row_infop row_info, png_bytep row)
2462       png_uint_32 row_width = row_info->width;
2463       if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
2466          if (row_info->bit_depth == 8)
2468             png_bytep sp = row + row_info->rowbytes;
2487             png_bytep sp = row + row_info->rowbytes;
2509       else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
2512          if (row_info->bit_depth == 8)
2514             png_bytep sp = row + row_info->rowbytes;
2531             png_bytep sp = row + row_info->rowbytes;
2554 png_do_read_invert_alpha(png_row_infop row_info, png_bytep row)
2559    row_width = row_info->width;
2560    if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA)
2562       if (row_info->bit_depth == 8)
2565          png_bytep sp = row + row_info->rowbytes;
2588          png_bytep sp = row + row_info->rowbytes;
2612    else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
2614       if (row_info->bit_depth == 8)
2617          png_bytep sp = row + row_info->rowbytes;
2632          png_bytep sp  = row + row_info->rowbytes;
2656 png_do_read_filler(png_row_infop row_info, png_bytep row,
2660    png_uint_32 row_width = row_info->width;
2670        row_info->color_type == PNG_COLOR_TYPE_GRAY)
2672       if (row_info->bit_depth == 8)
2685             row_info->channels = 2;
2686             row_info->pixel_depth = 16;
2687             row_info->rowbytes = row_width * 2;
2700             row_info->channels = 2;
2701             row_info->pixel_depth = 16;
2702             row_info->rowbytes = row_width * 2;
2707       else if (row_info->bit_depth == 16)
2723             row_info->channels = 2;
2724             row_info->pixel_depth = 32;
2725             row_info->rowbytes = row_width * 4;
2740             row_info->channels = 2;
2741             row_info->pixel_depth = 32;
2742             row_info->rowbytes = row_width * 4;
2747    else if (row_info->color_type == PNG_COLOR_TYPE_RGB)
2749       if (row_info->bit_depth == 8)
2764             row_info->channels = 4;
2765             row_info->pixel_depth = 32;
2766             row_info->rowbytes = row_width * 4;
2781             row_info->channels = 4;
2782             row_info->pixel_depth = 32;
2783             row_info->rowbytes = row_width * 4;
2788       else if (row_info->bit_depth == 16)
2808             row_info->channels = 4;
2809             row_info->pixel_depth = 64;
2810             row_info->rowbytes = row_width * 8;
2830             row_info->channels = 4;
2831             row_info->pixel_depth = 64;
2832             row_info->rowbytes = row_width * 8;
2843 png_do_gray_to_rgb(png_row_infop row_info, png_bytep row)
2846    png_uint_32 row_width = row_info->width;
2850    if (row_info->bit_depth >= 8 &&
2851        !(row_info->color_type & PNG_COLOR_MASK_COLOR))
2853       if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
2855          if (row_info->bit_depth == 8)
2885       else if (row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
2887          if (row_info->bit_depth == 8)
2919       row_info->channels = (png_byte)(row_info->channels + 2);
2920       row_info->color_type |= PNG_COLOR_MASK_COLOR;
2921       row_info->pixel_depth = (png_byte)(row_info->channels *
2922           row_info->bit_depth);
2923       row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
2982 png_do_rgb_to_gray(png_structrp png_ptr, png_row_infop row_info, png_bytep row)
2989    if (!(row_info->color_type & PNG_COLOR_MASK_PALETTE) &&
2990        (row_info->color_type & PNG_COLOR_MASK_COLOR))
2995       PNG_CONST png_uint_32 row_width = row_info->width;
2997          (row_info->color_type & PNG_COLOR_MASK_ALPHA) != 0;
2999       if (row_info->bit_depth == 8)
3165       row_info->channels = (png_byte)(row_info->channels - 2);
3166       row_info->color_type = (png_byte)(row_info->color_type &
3168       row_info->pixel_depth = (png_byte)(row_info->channels *
3169           row_info->bit_depth);
3170       row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
3183 png_do_compose(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
3198    png_uint_32 row_width = row_info->width;
3204       switch (row_info->color_type)
3208             switch (row_info->bit_depth)
3455             if (row_info->bit_depth == 8)
3497             else /* if (row_info->bit_depth == 16) */
3582             if (row_info->bit_depth == 8)
3707             if (row_info->bit_depth == 8)
3782             else /* if (row_info->bit_depth == 16) */
3923 png_do_gamma(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
3931    png_uint_32 row_width=row_info->width;
3935    if (((row_info->bit_depth <= 8 && gamma_table != NULL) ||
3936        (row_info->bit_depth == 16 && gamma_16_table != NULL)))
3938       switch (row_info->color_type)
3942             if (row_info->bit_depth == 8)
3956             else /* if (row_info->bit_depth == 16) */
3984             if (row_info->bit_depth == 8)
4002             else /* if (row_info->bit_depth == 16) */
4028             if (row_info->bit_depth == 8)
4038             else /* if (row_info->bit_depth == 16) */
4054             if (row_info->bit_depth == 2)
4073             if (row_info->bit_depth == 4)
4087             else if (row_info->bit_depth == 8)
4097             else if (row_info->bit_depth == 16)
4124 png_do_encode_alpha(png_row_infop row_info, png_bytep row, png_structrp png_ptr)
4126    png_uint_32 row_width = row_info->width;
4130    if (row_info->color_type & PNG_COLOR_MASK_ALPHA)
4132       if (row_info->bit_depth == 8)
4139                (row_info->color_type & PNG_COLOR_MASK_COLOR) ? 4 : 2;
4151       else if (row_info->bit_depth == 16)
4159                (row_info->color_type & PNG_COLOR_MASK_COLOR) ? 8 : 4;
4178    /* Only get to here if called with a weird row_info; no harm has been done,
4190 png_do_expand_palette(png_row_infop row_info, png_bytep row,
4196    png_uint_32 row_width=row_info->width;
4200    if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)
4202       if (row_info->bit_depth < 8)
4204          switch (row_info->bit_depth)
4282          row_info->bit_depth = 8;
4283          row_info->pixel_depth = 8;
4284          row_info->rowbytes = row_width;
4287       if (row_info->bit_depth == 8)
4308                row_info->bit_depth = 8;
4309                row_info->pixel_depth = 32;
4310                row_info->rowbytes = row_width * 4;
4311                row_info->color_type = 6;
4312                row_info->channels = 4;
4328                row_info->bit_depth = 8;
4329                row_info->pixel_depth = 24;
4330                row_info->rowbytes = row_width * 3;
4331                row_info->color_type = 2;
4332                row_info->channels = 3;
4343 png_do_expand(png_row_infop row_info, png_bytep row,
4349    png_uint_32 row_width=row_info->width;
4354       if (row_info->color_type == PNG_COLOR_TYPE_GRAY)
4358          if (row_info->bit_depth < 8)
4360             switch (row_info->bit_depth)
4443             row_info->bit_depth = 8;
4444             row_info->pixel_depth = 8;
4445             row_info->rowbytes = row_width;
4450             if (row_info->bit_depth == 8)
4468             else if (row_info->bit_depth == 16)
4472                sp = row + row_info->rowbytes - 1;
4473                dp = row + (row_info->rowbytes << 1) - 1;
4493             row_info->color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
4494             row_info->channels = 2;
4495             row_info->pixel_depth = (png_byte)(row_info->bit_depth << 1);
4496             row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth,
4500       else if (row_info->color_type == PNG_COLOR_TYPE_RGB && trans_color)
4502          if (row_info->bit_depth == 8)
4507             sp = row + (png_size_t)row_info->rowbytes - 1;
4522          else if (row_info->bit_depth == 16)
4530             sp = row + row_info->rowbytes - 1;
4559          row_info->color_type = PNG_COLOR_TYPE_RGB_ALPHA;
4560          row_info->channels = 4;
4561          row_info->pixel_depth = (png_byte)(row_info->bit_depth << 2);
4562          row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
4573 png_do_expand_16(png_row_infop row_info, png_bytep row)
4575    if (row_info->bit_depth == 8 &&
4576       row_info->color_type != PNG_COLOR_TYPE_PALETTE)
4587       png_byte *sp = row + row_info->rowbytes; /* source, last byte + 1 */
4588       png_byte *dp = sp + row_info->rowbytes;  /* destination, end + 1 */
4592       row_info->rowbytes *= 2;
4593       row_info->bit_depth = 16;
4594       row_info->pixel_depth = (png_byte)(row_info->channels * 16);
4601 png_do_quantize(png_row_infop row_info, png_bytep row,
4606    png_uint_32 row_width=row_info->width;
4610    if (row_info->bit_depth == 8)
4612       if (row_info->color_type == PNG_COLOR_TYPE_RGB && palette_lookup)
4642          row_info->color_type = PNG_COLOR_TYPE_PALETTE;
4643          row_info->channels = 1;
4644          row_info->pixel_depth = row_info->bit_depth;
4645          row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
4648       else if (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA &&
4673          row_info->color_type = PNG_COLOR_TYPE_PALETTE;
4674          row_info->channels = 1;
4675          row_info->pixel_depth = row_info->bit_depth;
4676          row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_width);
4679       else if (row_info->color_type == PNG_COLOR_TYPE_PALETTE &&
4698 png_do_read_transformations(png_structrp png_ptr, png_row_infop row_info)
4730       if (row_info->color_type == PNG_COLOR_TYPE_PALETTE)
4732          png_do_expand_palette(row_info, png_ptr->row_buf + 1,
4740             png_do_expand(row_info, png_ptr->row_buf + 1,
4744             png_do_expand(row_info, png_ptr->row_buf + 1,
4753       (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA ||
4754       row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
4755       png_do_strip_channel(row_info, png_ptr->row_buf + 1,
4763           png_do_rgb_to_gray(png_ptr, row_info,
4817       png_do_gray_to_rgb(row_info, png_ptr->row_buf + 1);
4823       png_do_compose(row_info, png_ptr->row_buf + 1, png_ptr);
4845       png_do_gamma(row_info, png_ptr->row_buf + 1, png_ptr);
4851       (row_info->color_type == PNG_COLOR_TYPE_RGB_ALPHA ||
4852       row_info->color_type == PNG_COLOR_TYPE_GRAY_ALPHA))
4853       png_do_strip_channel(row_info, png_ptr->row_buf + 1,
4859       (row_info->color_type & PNG_COLOR_MASK_ALPHA))
4860       png_do_encode_alpha(row_info, png_ptr->row_buf + 1, png_ptr);
4865       png_do_scale_16_to_8(row_info, png_ptr->row_buf + 1);
4874       png_do_chop(row_info, png_ptr->row_buf + 1);
4880       png_do_quantize(row_info, png_ptr->row_buf + 1,
4883       if (row_info->rowbytes == 0)
4895       png_do_expand_16(row_info, png_ptr->row_buf + 1);
4902       png_do_gray_to_rgb(row_info, png_ptr->row_buf + 1);
4907       png_do_invert(row_info, png_ptr->row_buf + 1);
4912       png_do_read_invert_alpha(row_info, png_ptr->row_buf + 1);
4917       png_do_unshift(row_info, png_ptr->row_buf + 1,
4923       png_do_unpack(row_info, png_ptr->row_buf + 1);
4928    if (row_info->color_type == PNG_COLOR_TYPE_PALETTE &&
4930       png_do_check_palette_indexes(png_ptr, row_info);
4935       png_do_bgr(row_info, png_ptr->row_buf + 1);
4940       png_do_packswap(row_info, png_ptr->row_buf + 1);
4945       png_do_read_filler(row_info, png_ptr->row_buf + 1,
4951       png_do_read_swap_alpha(row_info, png_ptr->row_buf + 1);
4957       png_do_swap(row_info, png_ptr->row_buf + 1);
4967              row_info,     /* row_info: */
4977          row_info->bit_depth = png_ptr->user_transform_depth;
4980          row_info->channels = png_ptr->user_transform_channels;
4982       row_info->pixel_depth = (png_byte)(row_info->bit_depth *
4983           row_info->channels);
4985       row_info->rowbytes = PNG_ROWBYTES(row_info->pixel_depth, row_info->width);