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#!/usr/bin/python

#==============================================================================

#/** @file splash_logo_gen.py

#

# GENERAL DESCRIPTION

#  Packages a custom splash image bmp into a loadable splash partition image

#  Fastboot command:

#  fastboot flash splash <img>

#

#  Copyright (c) 2016 Qualcomm Technologies, Inc .

#  All Rights Reserved.

#  Confidential and Proprietary - Qualcomm Technologies, Inc.

#==============================================================================

#==============================================================================

# Copyright (c) 2013,2015, The Linux Foundation. All rights reserved.

#

# Redistribution and use in source and binary forms, with or without

# modification, are permitted provided that the following conditions are

# met:

#     * Redistributions of source code must retain the above copyright

#       notice, this list of conditions and the following disclaimer.

#     * Redistributions in binary form must reproduce the above

#       copyright notice, this list of conditions and the following

#       disclaimer in the documentation and/or other materials provided

#       with the distribution.

#     * Neither the name of The Linux Foundation nor the names of its

#       contributors may be used to endorse or promote products derived

#       from this software without specific prior written permission.

#

# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED

# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT

# ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS

# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR

# BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,

# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE

# OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN

# IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

#===========================================================================

import sys

import os

## make a image

def MakeLogoImage(out):

    outfile = open(out, "wb")

    filler = b'\0'*0x4000

    outfile.write(filler)

    body = GetBMPData()

    outfile.write(body[0])

    ##outfile.seek(0,0)

    ##outfile.seek(10485760,1)

    ##outfile.write(body[0])

    outfile.close()

    outfile = open(out, "a")

    filler = b'\0'*0x8000

    outfile.write(filler)

    body = GetBMPData2()

    outfile.write(body[0])

    ##outfile.seek(0,0)

    ##outfile.seek(10485760,1)

    ##outfile.write(body[0])

    outfile.close()

def GetBMPData2():

    global imgconv

    #infile = "logo.bmp" #default file name

    num = len(sys.argv)

    if num != 3:

        ShowUsage()

        sys.exit(1); # error arg

    infile = sys.argv[2]

    if os.access(infile, os.R_OK) != True:

        print("Error: Input file <%s> is not readable" % infile)

        ShowUsage()

        sys.exit(2); # error file

    data =[0]

    with open(infile, mode='rb') as imgfile:

        data[0] = imgfile.read()

    return data

## usage

def ShowUsage():

    print("**********************************************")

    print("\nUsage:\npython splash_logo_gen.py <image file>")

    print("\nSupported image formats:\n *  8-bit BMP\n * 24-bit BMP\n * 32-bit BMP")

    print("\n**********************************************")

## get BMP data from input file. if input is png convert to bmp

def GetBMPData():

    global imgconv

    #infile = "logo.bmp" #default file name

    num = len(sys.argv)

    if num != 3:

        ShowUsage()

        sys.exit(1); # error arg

    infile = sys.argv[1]

    if os.access(infile, os.R_OK) != True:

        print("Error: Input file <%s> is not readable" % infile)

        ShowUsage()

        sys.exit(2); # error file

    data =[0]

    with open(infile, mode='rb') as imgfile:

        data[0] = imgfile.read()

    return data

##main

if __name__ == "__main__":

    MakeLogoImage("spunvm.img")