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from building import *
import os, re
group = []
if not GetDepend(['RT_GRAPHIC_LOGO']):
Return('group')
cwd = GetCurrentDir()
CPPPATH = [cwd + '/../../include']
CPPDEFINES = []
src = ['logo.c']
logo_path = None
logo_width = 0
logo_height = 0
logo_max_val = 0
if GetDepend(['RT_GRAPHIC_LOGO_RT_THREAD_CLUT224']):
logo_path = cwd + '/logo-rt-thread-clut224.ppm'
if GetDepend(['RT_GRAPHIC_LOGO_RT_THREAD_WHITE_CLUT224']):
logo_path = cwd + '/logo-rt-thread-white-clut224.ppm'
if logo_path == None:
# Find in BSP
paths = None
for key in BuildOptions.keys():
if re.match(r'RT_GRAPHIC_LOGO_.*_PATH', key):
paths = BuildOptions[key]
break
if paths != None and len(paths) > 0:
logo_path = Dir('#').abspath + '/' + paths[1:-1]
if not os.path.exists(logo_path):
print("Logo file '{}' not found!".format(logo_path))
exit(-1)
if logo_path != None:
with open(logo_path, 'rb') as ppm:
data = ppm.read().split(b'\n')
# PPM: <magic number>
magic = data[0].decode('utf-8')
# PPM: <comment>
offset = 1
while True:
comment = str(data[offset].decode('utf-8'))
if comment[0] != '#':
break
offset += 1
# PPM: <width> <height>
logo_width, logo_height = map(int, data[offset].split())
# PPM: <max pixel value>
logo_max_val = int(data[offset + 1])
# PPM: <data>
ppm.seek(0)
pixels = b''.join(ppm.readlines()[offset + 2:])
ppm.close()
if magic == 'P1' or magic == 'P2' or magic == 'P3':
# ASCII
pixels = re.sub(b'\\s+', b'\n', pixels.strip()).decode('utf-8').split('\n')
logo = open(cwd + '/logo.inc', "w")
for dy in range(logo_height):
for dx in range(logo_width):
index = (dy * logo_width + dx) * 3
# Red
logo.write(str(pixels[index]).rjust(4) + ",")
# Green
logo.write(str(pixels[index + 1]).rjust(4) + ",")
# Blue
logo.write(str(pixels[index + 2]).rjust(4) + ",")
logo.write("\n")
logo.close()
CPPDEFINES += ['__STARTUP_LOGO_WIDTH__=' + str(logo_width)]
CPPDEFINES += ['__STARTUP_LOGO_HEIGHT__=' + str(logo_height)]
CPPDEFINES += ['__STARTUP_LOGO_COLOR_MAX__=' + str(logo_max_val)]
group = DefineGroup('DeviceDrivers', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
Return('group')
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