132 pixel_depth_of_type(int color_type, int bit_depth)  in pixel_depth_of_type()  argument
134    return channels_of_type(color_type) * bit_depth;  in pixel_depth_of_type()
138 image_size_of_type(int color_type, int bit_depth, unsigned int *colors)  in image_size_of_type()  argument
145       int pixel_depth = pixel_depth_of_type(color_type, bit_depth);  in image_size_of_type()
170 generate_palette(png_colorp palette, png_bytep trans, int bit_depth,  in generate_palette()  argument
210          if (bit_depth == 1)  in generate_palette()
219             unsigned int size = 1U << (bit_depth/2); /* 2, 4 or 16 */  in generate_palette()
249 set_value(png_bytep row, size_t rowbytes, png_uint_32 x, unsigned int bit_depth,  in set_value()  argument
252    unsigned int mask = (1U << bit_depth)-1;  in set_value()
254    x *= bit_depth;  /* Maximum x is 4*1024, maximum bit_depth is 16 */  in set_value()
260       if (offset < rowbytes && (bit_depth < 16 || offset+1 < rowbytes))  in set_value()
264          switch (bit_depth)  in set_value()
271                   unsigned int shift = (8 - bit_depth) - (x & 0x7U);  in set_value()
311    int bit_depth, png_const_bytep gamma_table, double conv,  in generate_row()  argument
314    png_uint_32 size_max = image_size_of_type(color_type, bit_depth, colors)-1;  in generate_row()
315    png_uint_32 depth_max = (1U << bit_depth)-1; /* up to 65536 */  in generate_row()
335                set_value(row, rowbytes, x, bit_depth, luma, gamma_table, conv);  in generate_row()
350                set_value(row, rowbytes, 2*x, bit_depth,  in generate_row()
353                set_value(row, rowbytes, 2*x+1, bit_depth, alpha, gamma_table,  in generate_row()
381                set_value(row, rowbytes, 3*x+0, bit_depth, /* red */ Y,  in generate_row()
383                set_value(row, rowbytes, 3*x+1, bit_depth, /* green */  in generate_row()
386                set_value(row, rowbytes, 3*x+2, bit_depth, /* blue */  in generate_row()
417                set_value(row, rowbytes, 4*x+0, bit_depth, /* red */  in generate_row()
420                set_value(row, rowbytes, 4*x+1, bit_depth, /* green */  in generate_row()
423                set_value(row, rowbytes, 4*x+2, bit_depth, /* blue */  in generate_row()
426                set_value(row, rowbytes, 4*x+3, bit_depth, /* alpha */  in generate_row()
455                   set_value(row, rowbytes, x, bit_depth, luma, gamma_table,  in generate_row()
468                   set_value(row, rowbytes, 2*x, bit_depth, luma, gamma_table,  in generate_row()
470                   set_value(row, rowbytes, 2*x+1, bit_depth, alpha, gamma_table,  in generate_row()
485                   set_value(row, rowbytes, 3*x+0, bit_depth, red, gamma_table,  in generate_row()
487                   set_value(row, rowbytes, 3*x+1, bit_depth, green, gamma_table,  in generate_row()
489                   set_value(row, rowbytes, 3*x+2, bit_depth, blue, gamma_table,  in generate_row()
505                   set_value(row, rowbytes, 4*x+0, bit_depth, red, gamma_table,  in generate_row()
507                   set_value(row, rowbytes, 4*x+1, bit_depth, green, gamma_table,  in generate_row()
509                   set_value(row, rowbytes, 4*x+2, bit_depth, blue, gamma_table,  in generate_row()
511                   set_value(row, rowbytes, 4*x+3, bit_depth, alpha, gamma_table,  in generate_row()
555 write_png(const char **name, FILE *fp, int color_type, int bit_depth,  in write_png()  argument
591       unsigned int size = image_size_of_type(color_type, bit_depth, colors);  in write_png()
634       png_set_IHDR(png_ptr, info_ptr, size, size, bit_depth, color_type,  in write_png()
643          npalette = generate_palette(palette, trans, bit_depth, gamma_table,  in write_png()
700                generate_row(row, rowbytes, y, color_type, bit_depth,  in write_png()
1282    int bit_depth = 32; /* invalid */  in main()  local
1403       if (bit_depth == 32 && isdigit(arg[0]))  in main()
1405          bit_depth = atoi(arg);  in main()
1406          if (bit_depth <= 0 || bit_depth > 16 ||  in main()
1407             (bit_depth & -bit_depth) != bit_depth)  in main()
1433    if (color_type == 8 || bit_depth == 32)  in main()
1444          (1U<<bit_depth)-1);  in main()
1461       if ((color_type & PNG_COLOR_MASK_PALETTE) != 0 || bit_depth < 8)  in main()
1466          if (bit_depth == 8)  in main()
1478       int ret = write_png(&file_name, fp, color_type, bit_depth, gamma,  in main()