Added support for Mac ICNS icon display when loading ICNS files.

This commit is contained in:
Joey Payne 2015-04-23 12:16:25 -06:00
commit 6991d84e2e
4 changed files with 789 additions and 77 deletions

View file

@ -1,3 +1,4 @@
0.12.1
0.12.0
0.12.0-rc1
0.12.0-alpha3

View file

@ -1,64 +1,66 @@
import struct
import image_utils
import png
from PIL import Image
import os
from cStringIO import StringIO
#---------------------CONSTANTS-----------------------------------------------#
ICNS_TABLE_OF_CONTENTS = 0x544F4320 # "TOC "
ICNS_TABLE_OF_CONTENTS = 0x544F4320 # "TOC "
ICNS_ICON_VERSION = 0x69636E56 # "icnV"
ICNS_ICON_VERSION = 0x69636E56 # "icnV"
ICNS_1024x1024_32BIT_ARGB_DATA = 0x69633130 # "ic10"
ICNS_1024x1024_32BIT_ARGB_DATA = 0x69633130 # "ic10"
ICNS_512x512_32BIT_ARGB_DATA = 0x69633039 # "ic09"
ICNS_256x256_32BIT_ARGB_DATA = 0x69633038 # "ic08"
ICNS_512x512_32BIT_ARGB_DATA = 0x69633039 # "ic09"
ICNS_256x256_32BIT_ARGB_DATA = 0x69633038 # "ic08"
ICNS_128x128_32BIT_DATA = 0x69743332 # "it32"
ICNS_128x128_8BIT_MASK = 0x74386D6B # "t8mk"
ICNS_128x128_32BIT_DATA = 0x69743332 # "it32"
ICNS_128x128_8BIT_MASK = 0x74386D6B # "t8mk"
ICNS_48x48_1BIT_DATA = 0x69636823 # "ich#"
ICNS_48x48_4BIT_DATA = 0x69636834 # "ich4"
ICNS_48x48_8BIT_DATA = 0x69636838 # "ich8"
ICNS_48x48_32BIT_DATA = 0x69683332 # "ih32"
ICNS_48x48_1BIT_MASK = 0x69636823 # "ich#"
ICNS_48x48_8BIT_MASK = 0x68386D6B # "h8mk"
ICNS_48x48_1BIT_DATA = 0x69636823 # "ich#"
ICNS_48x48_4BIT_DATA = 0x69636834 # "ich4"
ICNS_48x48_8BIT_DATA = 0x69636838 # "ich8"
ICNS_48x48_32BIT_DATA = 0x69683332 # "ih32"
ICNS_48x48_1BIT_MASK = 0x69636823 # "ich#"
ICNS_48x48_8BIT_MASK = 0x68386D6B # "h8mk"
ICNS_32x32_1BIT_DATA = 0x49434E23 # "ICN#"
ICNS_32x32_4BIT_DATA = 0x69636C34 # "icl4"
ICNS_32x32_8BIT_DATA = 0x69636C38 # "icl8"
ICNS_32x32_32BIT_DATA = 0x696C3332 # "il32"
ICNS_32x32_1BIT_MASK = 0x49434E23 # "ICN#"
ICNS_32x32_8BIT_MASK = 0x6C386D6B # "l8mk"
ICNS_32x32_1BIT_DATA = 0x49434E23 # "ICN#"
ICNS_32x32_4BIT_DATA = 0x69636C34 # "icl4"
ICNS_32x32_8BIT_DATA = 0x69636C38 # "icl8"
ICNS_32x32_32BIT_DATA = 0x696C3332 # "il32"
ICNS_32x32_1BIT_MASK = 0x49434E23 # "ICN#"
ICNS_32x32_8BIT_MASK = 0x6C386D6B # "l8mk"
ICNS_16x16_1BIT_DATA = 0x69637323 # "ics#"
ICNS_16x16_4BIT_DATA = 0x69637334 # "ics4"
ICNS_16x16_8BIT_DATA = 0x69637338 # "ics8"
ICNS_16x16_32BIT_DATA = 0x69733332 # "is32"
ICNS_16x16_1BIT_MASK = 0x69637323 # "ics#"
ICNS_16x16_8BIT_MASK = 0x73386D6B # "s8mk"
ICNS_16x16_1BIT_DATA = 0x69637323 # "ics#"
ICNS_16x16_4BIT_DATA = 0x69637334 # "ics4"
ICNS_16x16_8BIT_DATA = 0x69637338 # "ics8"
ICNS_16x16_32BIT_DATA = 0x69733332 # "is32"
ICNS_16x16_1BIT_MASK = 0x69637323 # "ics#"
ICNS_16x16_8BIT_MASK = 0x73386D6B # "s8mk"
ICNS_16x12_1BIT_DATA = 0x69636D23 # "icm#"
ICNS_16x12_4BIT_DATA = 0x69636D34 # "icm4"
ICNS_16x12_1BIT_MASK = 0x69636D23 # "icm#"
ICNS_16x12_8BIT_DATA = 0x69636D38 # "icm8"
ICNS_16x12_1BIT_DATA = 0x69636D23 # "icm#"
ICNS_16x12_4BIT_DATA = 0x69636D34 # "icm4"
ICNS_16x12_1BIT_MASK = 0x69636D23 # "icm#"
ICNS_16x12_8BIT_DATA = 0x69636D38 # "icm8"
ICNS_32x32_1BIT_ICON = 0x49434F4E # "ICON"
ICNS_32x32_1BIT_ICON = 0x49434F4E # "ICON"
ICNS_TILE_VARIANT = 0x74696C65 # "tile"
ICNS_ROLLOVER_VARIANT = 0x6F766572 # "over"
ICNS_DROP_VARIANT = 0x64726F70 # "drop"
ICNS_OPEN_VARIANT = 0x6F70656E # "open"
ICNS_OPEN_DROP_VARIANT = 0x6F647270 # "odrp"
ICNS_TILE_VARIANT = 0x74696C65 # "tile"
ICNS_ROLLOVER_VARIANT = 0x6F766572 # "over"
ICNS_DROP_VARIANT = 0x64726F70 # "drop"
ICNS_OPEN_VARIANT = 0x6F70656E # "open"
ICNS_OPEN_DROP_VARIANT = 0x6F647270 # "odrp"
ICNS_NULL_DATA = 0x00000000
ICNS_NULL_MASK = 0x00000000
# icns file / resource type constants
ICNS_FAMILY_TYPE = 0x69636E73 # "icns"
ICNS_FAMILY_TYPE = 0x69636E73 # "icns"
ICNS_MACBINARY_TYPE = 0x6D42494E # "mBIN"
ICNS_MACBINARY_TYPE = 0x6D42494E # "mBIN"
ICNS_NULL_TYPE = 0x00000000
@ -79,43 +81,322 @@ ICNS_STATUS_UNSUPPORTED = 4
#---------------------------SYMBOL DICTS-------------------------------------#
struct_symbols = {1:'B',#byte
2:'H',#word
4:'I',#unsigned int/double word
8:'Q' #quad word
}
struct_symbols = {1: 'B', # byte
2: 'H', # word
4: 'I', # unsigned int/double word
8: 'Q' # quad word
}
#used to easily get the icon type from dimensions
type_dict = {'mask':{128:{8:ICNS_128x128_8BIT_MASK},
48:{1:ICNS_48x48_1BIT_MASK,
8:ICNS_48x48_8BIT_MASK},
32:{1:ICNS_32x32_1BIT_MASK,
8:ICNS_32x32_8BIT_MASK},
16:{1:ICNS_16x16_1BIT_MASK,
8:ICNS_16x16_8BIT_MASK},
type_dict = {'mask': {128: {8: ICNS_128x128_8BIT_MASK},
48: {1: ICNS_48x48_1BIT_MASK,
8: ICNS_48x48_8BIT_MASK},
32: {1: ICNS_32x32_1BIT_MASK,
8: ICNS_32x32_8BIT_MASK},
16: {1: ICNS_16x16_1BIT_MASK,
8: ICNS_16x16_8BIT_MASK},
},
'data':{1024:{32:ICNS_1024x1024_32BIT_ARGB_DATA},
512:{32:ICNS_512x512_32BIT_ARGB_DATA},
256:{32:ICNS_256x256_32BIT_ARGB_DATA},
128:{32:ICNS_128x128_32BIT_DATA},
48:{1:ICNS_48x48_1BIT_DATA,
4:ICNS_48x48_4BIT_DATA,
8:ICNS_48x48_8BIT_DATA,
32:ICNS_48x48_32BIT_DATA},
32:{1:ICNS_32x32_1BIT_DATA,
4:ICNS_32x32_4BIT_DATA,
8:ICNS_32x32_8BIT_DATA,
32:ICNS_32x32_32BIT_DATA},
16:{1:ICNS_16x16_1BIT_DATA,
4:ICNS_16x16_4BIT_DATA,
8:ICNS_16x16_8BIT_DATA,
32:ICNS_16x16_32BIT_DATA},
'data': {1024: {32: ICNS_1024x1024_32BIT_ARGB_DATA},
512: {32: ICNS_512x512_32BIT_ARGB_DATA},
256: {32: ICNS_256x256_32BIT_ARGB_DATA},
128: {32: ICNS_128x128_32BIT_DATA},
48: {1: ICNS_48x48_1BIT_DATA,
4: ICNS_48x48_4BIT_DATA,
8: ICNS_48x48_8BIT_DATA,
32: ICNS_48x48_32BIT_DATA},
32: {1: ICNS_32x32_1BIT_DATA,
4: ICNS_32x32_4BIT_DATA,
8: ICNS_32x32_8BIT_DATA,
32: ICNS_32x32_32BIT_DATA},
16: {1: ICNS_16x16_1BIT_DATA,
4: ICNS_16x16_4BIT_DATA,
8: ICNS_16x16_8BIT_DATA,
32: ICNS_16x16_32BIT_DATA},
}}
icns_colormap_4 = [
[0xFF, 0xFF, 0xFF],
[0xFC, 0xF3, 0x05],
[0xFF, 0x64, 0x02],
[0xDD, 0x08, 0x06],
[0xF2, 0x08, 0x84],
[0x46, 0x00, 0xA5],
[0x00, 0x00, 0xD4],
[0x02, 0xAB, 0xEA],
[0x1F, 0xB7, 0x14],
[0x00, 0x64, 0x11],
[0x56, 0x2C, 0x05],
[0x90, 0x71, 0x3A],
[0xC0, 0xC0, 0xC0],
[0x80, 0x80, 0x80],
[0x40, 0x40, 0x40],
[0x00, 0x00, 0x00]
]
icns_colormap_8 =[
[0xFF, 0xFF, 0xFF],
[0xFF, 0xFF, 0xCC],
[0xFF, 0xFF, 0x99],
[0xFF, 0xFF, 0x66],
[0xFF, 0xFF, 0x33],
[0xFF, 0xFF, 0x00],
[0xFF, 0xCC, 0xFF],
[0xFF, 0xCC, 0xCC],
[0xFF, 0xCC, 0x99],
[0xFF, 0xCC, 0x66],
[0xFF, 0xCC, 0x33],
[0xFF, 0xCC, 0x00],
[0xFF, 0x99, 0xFF],
[0xFF, 0x99, 0xCC],
[0xFF, 0x99, 0x99],
[0xFF, 0x99, 0x66],
[0xFF, 0x99, 0x33],
[0xFF, 0x99, 0x00],
[0xFF, 0x66, 0xFF],
[0xFF, 0x66, 0xCC],
[0xFF, 0x66, 0x99],
[0xFF, 0x66, 0x66],
[0xFF, 0x66, 0x33],
[0xFF, 0x66, 0x00],
[0xFF, 0x33, 0xFF],
[0xFF, 0x33, 0xCC],
[0xFF, 0x33, 0x99],
[0xFF, 0x33, 0x66],
[0xFF, 0x33, 0x33],
[0xFF, 0x33, 0x00],
[0xFF, 0x00, 0xFF],
[0xFF, 0x00, 0xCC],
[0xFF, 0x00, 0x99],
[0xFF, 0x00, 0x66],
[0xFF, 0x00, 0x33],
[0xFF, 0x00, 0x00],
[0xCC, 0xFF, 0xFF],
[0xCC, 0xFF, 0xCC],
[0xCC, 0xFF, 0x99],
[0xCC, 0xFF, 0x66],
[0xCC, 0xFF, 0x33],
[0xCC, 0xFF, 0x00],
[0xCC, 0xCC, 0xFF],
[0xCC, 0xCC, 0xCC],
[0xCC, 0xCC, 0x99],
[0xCC, 0xCC, 0x66],
[0xCC, 0xCC, 0x33],
[0xCC, 0xCC, 0x00],
[0xCC, 0x99, 0xFF],
[0xCC, 0x99, 0xCC],
[0xCC, 0x99, 0x99],
[0xCC, 0x99, 0x66],
[0xCC, 0x99, 0x33],
[0xCC, 0x99, 0x00],
[0xCC, 0x66, 0xFF],
[0xCC, 0x66, 0xCC],
[0xCC, 0x66, 0x99],
[0xCC, 0x66, 0x66],
[0xCC, 0x66, 0x33],
[0xCC, 0x66, 0x00],
[0xCC, 0x33, 0xFF],
[0xCC, 0x33, 0xCC],
[0xCC, 0x33, 0x99],
[0xCC, 0x33, 0x66],
[0xCC, 0x33, 0x33],
[0xCC, 0x33, 0x00],
[0xCC, 0x00, 0xFF],
[0xCC, 0x00, 0xCC],
[0xCC, 0x00, 0x99],
[0xCC, 0x00, 0x66],
[0xCC, 0x00, 0x33],
[0xCC, 0x00, 0x00],
[0x99, 0xFF, 0xFF],
[0x99, 0xFF, 0xCC],
[0x99, 0xFF, 0x99],
[0x99, 0xFF, 0x66],
[0x99, 0xFF, 0x33],
[0x99, 0xFF, 0x00],
[0x99, 0xCC, 0xFF],
[0x99, 0xCC, 0xCC],
[0x99, 0xCC, 0x99],
[0x99, 0xCC, 0x66],
[0x99, 0xCC, 0x33],
[0x99, 0xCC, 0x00],
[0x99, 0x99, 0xFF],
[0x99, 0x99, 0xCC],
[0x99, 0x99, 0x99],
[0x99, 0x99, 0x66],
[0x99, 0x99, 0x33],
[0x99, 0x99, 0x00],
[0x99, 0x66, 0xFF],
[0x99, 0x66, 0xCC],
[0x99, 0x66, 0x99],
[0x99, 0x66, 0x66],
[0x99, 0x66, 0x33],
[0x99, 0x66, 0x00],
[0x99, 0x33, 0xFF],
[0x99, 0x33, 0xCC],
[0x99, 0x33, 0x99],
[0x99, 0x33, 0x66],
[0x99, 0x33, 0x33],
[0x99, 0x33, 0x00],
[0x99, 0x00, 0xFF],
[0x99, 0x00, 0xCC],
[0x99, 0x00, 0x99],
[0x99, 0x00, 0x66],
[0x99, 0x00, 0x33],
[0x99, 0x00, 0x00],
[0x66, 0xFF, 0xFF],
[0x66, 0xFF, 0xCC],
[0x66, 0xFF, 0x99],
[0x66, 0xFF, 0x66],
[0x66, 0xFF, 0x33],
[0x66, 0xFF, 0x00],
[0x66, 0xCC, 0xFF],
[0x66, 0xCC, 0xCC],
[0x66, 0xCC, 0x99],
[0x66, 0xCC, 0x66],
[0x66, 0xCC, 0x33],
[0x66, 0xCC, 0x00],
[0x66, 0x99, 0xFF],
[0x66, 0x99, 0xCC],
[0x66, 0x99, 0x99],
[0x66, 0x99, 0x66],
[0x66, 0x99, 0x33],
[0x66, 0x99, 0x00],
[0x66, 0x66, 0xFF],
[0x66, 0x66, 0xCC],
[0x66, 0x66, 0x99],
[0x66, 0x66, 0x66],
[0x66, 0x66, 0x33],
[0x66, 0x66, 0x00],
[0x66, 0x33, 0xFF],
[0x66, 0x33, 0xCC],
[0x66, 0x33, 0x99],
[0x66, 0x33, 0x66],
[0x66, 0x33, 0x33],
[0x66, 0x33, 0x00],
[0x66, 0x00, 0xFF],
[0x66, 0x00, 0xCC],
[0x66, 0x00, 0x99],
[0x66, 0x00, 0x66],
[0x66, 0x00, 0x33],
[0x66, 0x00, 0x00],
[0x33, 0xFF, 0xFF],
[0x33, 0xFF, 0xCC],
[0x33, 0xFF, 0x99],
[0x33, 0xFF, 0x66],
[0x33, 0xFF, 0x33],
[0x33, 0xFF, 0x00],
[0x33, 0xCC, 0xFF],
[0x33, 0xCC, 0xCC],
[0x33, 0xCC, 0x99],
[0x33, 0xCC, 0x66],
[0x33, 0xCC, 0x33],
[0x33, 0xCC, 0x00],
[0x33, 0x99, 0xFF],
[0x33, 0x99, 0xCC],
[0x33, 0x99, 0x99],
[0x33, 0x99, 0x66],
[0x33, 0x99, 0x33],
[0x33, 0x99, 0x00],
[0x33, 0x66, 0xFF],
[0x33, 0x66, 0xCC],
[0x33, 0x66, 0x99],
[0x33, 0x66, 0x66],
[0x33, 0x66, 0x33],
[0x33, 0x66, 0x00],
[0x33, 0x33, 0xFF],
[0x33, 0x33, 0xCC],
[0x33, 0x33, 0x99],
[0x33, 0x33, 0x66],
[0x33, 0x33, 0x33],
[0x33, 0x33, 0x00],
[0x33, 0x00, 0xFF],
[0x33, 0x00, 0xCC],
[0x33, 0x00, 0x99],
[0x33, 0x00, 0x66],
[0x33, 0x00, 0x33],
[0x33, 0x00, 0x00],
[0x00, 0xFF, 0xFF],
[0x00, 0xFF, 0xCC],
[0x00, 0xFF, 0x99],
[0x00, 0xFF, 0x66],
[0x00, 0xFF, 0x33],
[0x00, 0xFF, 0x00],
[0x00, 0xCC, 0xFF],
[0x00, 0xCC, 0xCC],
[0x00, 0xCC, 0x99],
[0x00, 0xCC, 0x66],
[0x00, 0xCC, 0x33],
[0x00, 0xCC, 0x00],
[0x00, 0x99, 0xFF],
[0x00, 0x99, 0xCC],
[0x00, 0x99, 0x99],
[0x00, 0x99, 0x66],
[0x00, 0x99, 0x33],
[0x00, 0x99, 0x00],
[0x00, 0x66, 0xFF],
[0x00, 0x66, 0xCC],
[0x00, 0x66, 0x99],
[0x00, 0x66, 0x66],
[0x00, 0x66, 0x33],
[0x00, 0x66, 0x00],
[0x00, 0x33, 0xFF],
[0x00, 0x33, 0xCC],
[0x00, 0x33, 0x99],
[0x00, 0x33, 0x66],
[0x00, 0x33, 0x33],
[0x00, 0x33, 0x00],
[0x00, 0x00, 0xFF],
[0x00, 0x00, 0xCC],
[0x00, 0x00, 0x99],
[0x00, 0x00, 0x66],
[0x00, 0x00, 0x33],
[0xEE, 0x00, 0x00],
[0xDD, 0x00, 0x00],
[0xBB, 0x00, 0x00],
[0xAA, 0x00, 0x00],
[0x88, 0x00, 0x00],
[0x77, 0x00, 0x00],
[0x55, 0x00, 0x00],
[0x44, 0x00, 0x00],
[0x22, 0x00, 0x00],
[0x11, 0x00, 0x00],
[0x00, 0xEE, 0x00],
[0x00, 0xDD, 0x00],
[0x00, 0xBB, 0x00],
[0x00, 0xAA, 0x00],
[0x00, 0x88, 0x00],
[0x00, 0x77, 0x00],
[0x00, 0x55, 0x00],
[0x00, 0x44, 0x00],
[0x00, 0x22, 0x00],
[0x00, 0x11, 0x00],
[0x00, 0x00, 0xEE],
[0x00, 0x00, 0xDD],
[0x00, 0x00, 0xBB],
[0x00, 0x00, 0xAA],
[0x00, 0x00, 0x88],
[0x00, 0x00, 0x77],
[0x00, 0x00, 0x55],
[0x00, 0x00, 0x44],
[0x00, 0x00, 0x22],
[0x00, 0x00, 0x11],
[0xEE, 0xEE, 0xEE],
[0xDD, 0xDD, 0xDD],
[0xBB, 0xBB, 0xBB],
[0xAA, 0xAA, 0xAA],
[0x88, 0x88, 0x88],
[0x77, 0x77, 0x77],
[0x55, 0x55, 0x55],
[0x44, 0x44, 0x44],
[0x22, 0x22, 0x22],
[0x11, 0x11, 0x11],
[0x00, 0x00, 0x00]
]
#---------------------------UTILITY FUNCTIONS---------------------------------#
def encode_rle24(data):
encoded_data = bytearray()
dataRun = bytearray(130)
dataInChanSize = len(data)/4
dataTempCount = 0
@ -210,6 +491,44 @@ def encode_rle24(data):
return dataTemp[:dataTempCount]
def decode_rle24(data, pixel_count):
color_value = 0
run_length = 0
data_offset = 0
pixel_offset = 0
i = 0
dest_icon_data = bytearray(pixel_count*4)
if from_bytes(data[:4]) == 0:
data_offset = 4
color_offset = 0
while color_offset < 3:
pixel_offset = 0
while (pixel_offset < pixel_count) and (data_offset < len(data)):
if ((data[data_offset] & 0x80) == 0):
run_length = (0xFF & data[data_offset]) + 1
data_offset += 1
i = 0
while (i < run_length) and (pixel_offset < pixel_count) and (data_offset < len(data)):
dest_icon_data[(pixel_offset*4)+color_offset] = data[data_offset]
pixel_offset += 1
data_offset += 1
i += 1
else:
run_length = (0xFF & data[data_offset]) - 125
data_offset += 1
color_value = data[data_offset]
data_offset += 1
i = 0
while (i < run_length) and (pixel_offset < pixel_count):
dest_icon_data[(pixel_offset*4)+color_offset] = color_value
pixel_offset += 1
i += 1
color_offset += 1
return dest_icon_data
def get_mask_type_for_icon_type(icon_type):
if icon_type == ICNS_TABLE_OF_CONTENTS or\
icon_type == ICNS_ICON_VERSION or\
@ -259,6 +578,22 @@ def get_mask_type_for_icon_type(icon_type):
return ICNS_NULL_MASK
def to_bytes(n, length, endianess='big'):
h = '%x' % n
s = ('0'*(len(h) % 2) + h).zfill(length*2).decode('hex')
return s if endianess == 'big' else s[::-1]
def from_bytes(byte_str):
bits = (len(byte_str)-1)*8
result = 0
for i in xrange(len(byte_str)):
result = (byte_str[i] << bits) + result
bits -= 8
return result
def type_to_str(type):
s = bytearray()
s.append(type >> 24 & 0xff)
@ -678,7 +1013,6 @@ class ICNSHeader(Structure):
icon_type = icns_info.get_image_type()
mask_type = get_mask_type_for_icon_type(icon_type)
if mask_type != ICNS_NULL_MASK:
icns_mask = ICNSInfo.from_type(mask_type)
@ -695,7 +1029,6 @@ class ICNSHeader(Structure):
mask_element.Size = len(icns_mask.data) + mask_element.size
mask_element.icns_image = icns_mask
icns_element.TypeID = icon_type
icns_element.Size = len(encoded_data) + icns_element.size
icns_element.icns_image = icns_info
@ -706,7 +1039,7 @@ class ICNSHeader(Structure):
self.elements.append(icns_element)
self.elements.append(mask_element)
else:#just use the png data
else: # just use the png data
icns_element.TypeID = icon_type
icns_element.Size = len(encoded_data) + icns_element.size
icns_element.icns_image = icns_info
@ -720,11 +1053,379 @@ class ICNSHeader(Structure):
return self.dump()+f_data
class ICNSElement(Structure):
_fields = [Field('TypeID', 4),
Field('Size', 4)]
icns_image = None
data = None
@classmethod
def from_family(cls, icns_data, icon_type):
resource_size = len(icns_data)
offset = 8
found_data = False
icon_element = cls()
while not found_data and offset < resource_size:
icon_element.TypeID = from_bytes(icns_data[offset:offset+4])
icon_element.Size = from_bytes(icns_data[offset+4:offset+8])
size = from_bytes(icns_data[offset+4:offset+8])
icon_element.data = icns_data[offset+8:offset+size]
if icon_element.TypeID == icon_type:
found_data = True
else:
offset += icon_element.Size
return icon_element
def get_image(self):
icon_type = self.TypeID
raw_data_size = self.Size - 8
data = self.data
icns_info = ICNSInfo()
icns_info.isImage = 1
if icon_type in [ICNS_256x256_32BIT_ARGB_DATA,
ICNS_512x512_32BIT_ARGB_DATA,
ICNS_1024x1024_32BIT_ARGB_DATA]:
magic_png = bytearray([0x89, 0x50, 0x4E, 0x47,
0x0D, 0x0A, 0x1A, 0x0A])
magic_read = data[:8]
if magic_png == magic_read:
png_file = png.Reader(bytes=data)
width, height, png_data, stats_dict = png_file.read_flat()
bpp = stats_dict['bitdepth'] * 4
icns_info = ICNSInfo()
icns_info.isImage = 1
icns_info.iconSize.width = width
icns_info.iconSize.height = height
icns_info.iconBitDepth = bpp
icns_info.iconChannels = 4 if bpp == 32 else 1
icns_info.iconPixelDepth = bpp / icns_info.iconChannels
icns_info.iconRawDataSize = width * height * 4
icns_info.data = bytearray(list(png_data))
else:
image = Image.open(StringIO(data))
mode_to_bpp = {'1':1, 'L':8, 'P':8, 'RGB':24, 'RGBA':32, 'CMYK':32, 'YCbCr':24, 'I':32, 'F':32}
output = StringIO()
bpp = mode_to_bpp[image.mode]
image.save(output, format='PNG')
png_data = bytearray(output.getvalue())
icns_info = ICNSInfo()
icns_info.isImage = 1
icns_info.iconSize.width = image.size[0]
icns_info.iconSize.height = image.size[1]
icns_info.iconBitDepth = bpp
icns_info.iconChannels = 4 if bpp == 32 else 1
icns_info.iconPixelDepth = bpp / icns_info.iconChannels
icns_info.iconRawDataSize = image.size[0] * image.size[1] * 4
icns_info.data = png_data
else:
icns_info = ICNSInfo.from_type(icon_type)
if icon_type in [ICNS_128x128_32BIT_DATA,
ICNS_48x48_32BIT_DATA,
ICNS_32x32_32BIT_DATA,
ICNS_16x16_32BIT_DATA]:
icon_bit_depth = icns_info.iconPixelDepth * icns_info.iconChannels
icon_data_row_size = icns_info.iconSize.width * icon_bit_depth*ICNS_BYTE_BITS
if raw_data_size < icns_info.iconRawDataSize:
pixel_count = icns_info.iconSize.width*icns_info.iconSize.height
decoded_data = decode_rle24(data, pixel_count)
icns_info.data = decoded_data
else:
data_count = 0
pixel_count = 0
while data_count < icns_info.iconSize.width:
data_pos = data_count * icon_data_row_size
icns_info.data[data_pos:data_pos+icon_data_row_size] = data[data_pos:data_pos+icon_data_row_size]
data_count += 1
pixel_count = icns_info.iconSize.width*icns_info.iconSize.height
data_count = 0
while data_count < pixel_count:
argb = icns_info.data[data_count*4:data_count*4+4]
rgba = [argb[1], argb[2], argb[3], argb[0]]
icns_info.data[data_count*4:data_count*4+4] = rgba
data_count += 1
elif icon_type in [ICNS_48x48_8BIT_DATA,
ICNS_32x32_8BIT_DATA,
ICNS_16x16_8BIT_DATA,
ICNS_16x12_8BIT_DATA,
ICNS_48x48_4BIT_DATA,
ICNS_32x32_4BIT_DATA,
ICNS_16x16_4BIT_DATA,
ICNS_16x12_4BIT_DATA,
ICNS_48x48_1BIT_DATA,
ICNS_32x32_1BIT_DATA,
ICNS_16x16_1BIT_DATA,
ICNS_16x12_1BIT_DATA]:
icon_bit_depth = icns_info.iconPixelDepth * icns_info.iconChannels
icon_data_row_size = icns_info.iconSize.width * icon_bit_depth*ICNS_BYTE_BITS
data_count = 0
while data_count < icns_info.iconSize.width:
data_pos = data_count * icon_data_row_size
icns_info.data[data_pos:data_pos+icon_data_row_size] = data[data_pos:data_pos+icon_data_row_size]
data_count += 1
return icns_info
def get_mask(self):
element_type = self.TypeID
element_size = self.Size
mask_type = element_type
raw_data_size = element_size - 8
data = self.data
icns_info = ICNSInfo.from_type(mask_type)
mask_bit_depth = icns_info.iconSize.width * icns_info.iconSize.height
mask_data_size = icns_info.iconRawDataSize
mask_data_row_size = icns_info.iconSize.width * mask_bit_depth / ICNS_BYTE_BITS
if mask_type in [ICNS_128x128_8BIT_MASK,
ICNS_48x48_8BIT_MASK,
ICNS_32x32_8BIT_MASK,
ICNS_16x16_8BIT_MASK]:
data_count = 0
while data_count < icns_info.iconSize.height:
data_pos = data_count * mask_data_row_size
icns_info.data[data_pos:data_pos+mask_data_row_size] = data[data_pos:data_pos+mask_data_row_size]
data_count += 1
elif mask_type in [ICNS_48x48_1BIT_MASK,
ICNS_32x32_1BIT_MASK,
ICNS_16x16_1BIT_MASK,
ICNS_16x12_1BIT_MASK]:
if raw_data_size == mask_data_size*2:
data_count = 0
while data_count < icns_info.iconSize.height:
data_pos = data_count * mask_data_row_size
icns_info.data[data_pos:data_pos+mask_data_row_size] = data[data_pos+mask_data_size:data_pos+mask_data_row_size+mask_data_size]
data_count += 1
else:
data_count = 0
while data_count < icns_info.iconSize.height:
data_pos = data_count * mask_data_row_size
icns_info.data[data_pos:data_pos+mask_data_row_size] = data[data_pos:data_pos+mask_data_row_size]
data_count += 1
return icns_info
def icns_read_be(icns_data, size):
icns_bytes = icns_data[:size]
if size == 1:
return icns_bytes[0]
elif size == 2:
return icns_bytes[1] | icns_bytes[0] << 8
elif size == 3:
return (icns_bytes[2] & 0xffff | icns_bytes[1] & 0xffff << 8| icns_bytes[0] & 0xffff << 16) & 0x00FFFFFF
elif size == 4:
return icns_bytes[3] | icns_bytes[2] << 8 | icns_bytes[1] << 16 | icns_bytes[0] << 24
elif size == 8:
b = icns_bytes
return b[7] | b[6] << 8 | b[5] << 16 | b[4] << 24 | b[3] << 32 | b[2] << 40 | b[1] << 48 | b[0] << 56
def icns_header_check(icns_data):
resource_type = icns_read_be(icns_data, 4)
resource_size = icns_read_be(icns_data[4:], 4)
if resource_type != ICNS_FAMILY_TYPE:
raise Exception('File is not an ICNS file.')
if resource_size != len(icns_data):
raise Exception('Expected size {}, but got {}'.format(len(icns_data)))
def icns_parse_family_data(icns_data):
resource_type = icns_read_be(icns_data, 4)
resource_size = icns_read_be(icns_data[4:], 4)
if resource_type == ICNS_FAMILY_TYPE:
if len(icns_data) == resource_size:
icns_data[:4] = to_bytes(resource_type, 4)
icns_data[4:8] = to_bytes(resource_size, 4)
offset = 8
while (offset+8) < resource_size:
element_type = icns_read_be(icns_data[offset:], 4)
element_size = icns_read_be(icns_data[offset+4:], 4)
icns_data[offset:offset+4] = to_bytes(element_type, 4)
icns_data[offset+4:offset+8] = to_bytes(element_size, 4)
offset += element_size
return icns_data
def get_image_with_mask(icns_data, element_type):
element = ICNSElement.from_family(icns_data, element_type)
icns_image = element.get_image()
if element_type in [ICNS_256x256_32BIT_ARGB_DATA,
ICNS_512x512_32BIT_ARGB_DATA,
ICNS_1024x1024_32BIT_ARGB_DATA]:
return icns_image
mask_type = get_mask_type_for_icon_type(element_type)
mask_element = ICNSElement.from_family(icns_data, mask_type)
mask_image = mask_element.get_mask()
old_bit_depth = icns_image.iconPixelDepth * icns_image.iconChannels
if old_bit_depth < 32:
old_bit_depth = icns_image.iconPixelDepth * icns_image.iconChannels
pixel_count = icns_image.iconSize.width * icns_image.iconSize.height
new_block_size = icns_image.iconSize.width * 32
new_data_size = new_block_size * icns_image.iconSize.height
old_data = icns_image.data
new_data = bytearray(new_data_size)
data_count = 0
if element_type in [ICNS_48x48_8BIT_DATA,
ICNS_32x32_8BIT_DATA,
ICNS_16x16_8BIT_DATA,
ICNS_16x12_8BIT_DATA]:
for pixel_id in xrange(pixel_count):
color_index = old_data[data_count]
color_rgb = icns_colormap_8[color_index]
new_data[pixel_id*4+0] = color_rgb[0]
new_data[pixel_id*4+1] = color_rgb[1]
new_data[pixel_id*4+2] = color_rgb[2]
new_data[pixel_id*4+3] = 0xFF
data_count += 1
elif element_type in [ICNS_48x48_4BIT_DATA,
ICNS_32x32_4BIT_DATA,
ICNS_16x16_4BIT_DATA,
ICNS_16x12_4BIT_DATA]:
data_value = 0
for pixel_id in xrange(pixel_count):
if (pixel_id % 2) == 0:
data_value = old_data[data_count]
data_count += 1
color_index = (data_value & 0xF0) >> 4
color_rgb = icns_colormap_4[color_index]
new_data[pixel_id*4+0] = color_rgb[0]
new_data[pixel_id*4+1] = color_rgb[1]
new_data[pixel_id*4+2] = color_rgb[2]
new_data[pixel_id*4+3] = 0xFF
elif element_type in [ICNS_48x48_1BIT_DATA,
ICNS_32x32_1BIT_DATA,
ICNS_16x16_1BIT_DATA,
ICNS_16x12_1BIT_DATA]:
data_value = 0
for pixel_id in xrange(pixel_count):
if (pixel_id % 8) == 0:
data_value = old_data[data_count]
data_count += 1
color_index = 0x00 if (data_value & 0x80) else 0xFF
data_value = data_value << 1
new_data[pixel_id*4+0] = color_index
new_data[pixel_id*4+1] = color_index
new_data[pixel_id*4+2] = color_index
new_data[pixel_id*4+3] = 0xFF
icns_image.iconPixelDepth = 8
icns_image.iconChannels = 4
icns_image.iconRawDataSize = new_data_size
icns_image.data = new_data
if mask_type in [ICNS_128x128_8BIT_MASK,
ICNS_48x48_8BIT_MASK,
ICNS_32x32_8BIT_MASK,
ICNS_16x16_8BIT_MASK]:
pixel_count = mask_image.iconSize.width * mask_image.iconSize.height
data_count = 0
for pixel_id in xrange(pixel_count):
icns_image.data[pixel_id*4+3] = mask_image.data[data_count]
data_count += 1
elif mask_type in [ICNS_48x48_1BIT_MASK,
ICNS_32x32_1BIT_MASK,
ICNS_16x16_1BIT_MASK,
ICNS_16x12_1BIT_MASK]:
pixel_count = mask_image.iconSize.width * mask_image.iconSize.height
data_count = 0
data_value = 0
for pixel_id in xrange(pixel_count):
if (pixel_id % 8) == 0:
data_value = mask_image.data[data_count]
data_count += 1
color_index = 0xFF if (data_value & 0x80) else 0x00
data_value = data_value << 1
icns_image.data[pixel_id*4+3] = color_index
im = Image.frombytes('RGBA', [icns_image.iconSize.width,icns_image.iconSize.height],str(icns_image.data))
output = StringIO()
im.save(output, format='PNG')
icns_image.data = bytearray(output.getvalue())
return icns_image
def extract_icons(all_icns_data):
image_count = 0
stack = [all_icns_data]
data = []
while stack:
offset = 8
icns_data = stack.pop()
while ((offset+8) < len(icns_data)):
element = ICNSElement()
element.TypeID = from_bytes(icns_data[offset:offset+4])
element.Size = from_bytes(icns_data[offset+4:offset+8])
if element.TypeID == ICNS_TABLE_OF_CONTENTS:
pass
elif element.TypeID in [ICNS_TILE_VARIANT,
ICNS_ROLLOVER_VARIANT,
ICNS_DROP_VARIANT,
ICNS_OPEN_VARIANT,
ICNS_OPEN_DROP_VARIANT]:
variant_data = icns_data[offset:offset+element.Size]
variant_data[:4] = 'icns'
variant_data[4:8] = to_bytes(element.Size, 4)
variant_data = icns_parse_family_data(variant_data)
stack.append(variant_data)
else:
icon_info = ICNSInfo.from_type(element.TypeID)
if icon_info.isImage:
image_count += 1
image_data = get_image_with_mask(icns_data, element.TypeID)
image_data.data = str(image_data.data)
data.append(image_data)
offset += element.Size
return data
def icns_to_png(icns_file, out_file=None):
if not os.path.exists(icns_file):
return
icns_fp = open(icns_file, 'rb')
icns_data = bytearray(icns_fp.read())
icns_fp.close()
icns_header_check(icns_data)
new_data = icns_parse_family_data(icns_data)
icons = extract_icons(new_data)
#for image in icons:
# fname = 'test{}.png'.format(image.iconSize.width)
# print fname
# f = open(fname, 'wb+')
# f.write(image.data)
# f.close()
return icons

12
main.py
View file

@ -12,7 +12,7 @@ from PySide.QtGui import QApplication, QHBoxLayout, QVBoxLayout
from PySide.QtNetwork import QHttp
from PySide.QtCore import QUrl, QFile, QIODevice, QCoreApplication
from pycns import pngs_from_icns
from command_line import CommandBase, logger, get_file
MAX_RECENT = 10
@ -704,9 +704,13 @@ class MainWindow(QtGui.QMainWindow, CommandBase):
icon_path = os.path.join(self.project_dir(), icon_path)
if os.path.exists(icon_path):
if icon_path.endswith('.icns'):
#image = QtGui.QImage.fromData(make_thumbnail(icon_path,48), 'png')
return
image = QtGui.QImage(icon_path)
pngs = pngs_from_icns(icon_path)
if pngs:
image = QtGui.QImage.fromData(QtCore.QByteArray(pngs[-1].data), 'PNG')
else:
return
else:
image = QtGui.QImage(icon_path)
if image.width() >= image.height():
image = image.scaledToWidth(48,
QtCore.Qt.SmoothTransformation)

View file

@ -1,4 +1,4 @@
from icns_info import *
from icns_info import ICNSHeader, icns_to_png
from image_utils import Image
import sys
@ -6,6 +6,7 @@ import sys
The image will be scaled keeping the aspect ratio if it is a non square image.
"""
def encode_image_to_icns(image_path):
"""Takes an image and converts it to icns. Image aspect ratio will remain intact."""
i = Image(image_path)
@ -13,12 +14,17 @@ def encode_image_to_icns(image_path):
f_data = icns_header.parse_image(i)
return f_data
def save_icns(image_path, icns_path):
im_data = encode_image_to_icns(image_path)
if im_data is not None:
icns_path = icns_path if icns_path.endswith('.icns') else icns_path+'.icns'
open(icns_path, 'wb+').write(im_data)
def pngs_from_icns(icns_path):
return icns_to_png(icns_path)
if __name__ == '__main__':
if len(sys.argv) != 3:
print 'Usage: pycns input_image_path output_icns_path'