b8502fa7c4
Tango icon files often have dashes in their names so accept them in png2c conversion script and simply replace them with underscores to form a C identifier for the array containing the image data. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@66500 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
64 lines
1.9 KiB
Python
Executable File
64 lines
1.9 KiB
Python
Executable File
#!/usr/bin/python
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# This script is a slightly modified version of the original found at
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#
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# http://wiki.wxwidgets.org/Embedding_PNG_Images-Bin2c_In_Python
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#
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# without any copyright attribution so it is assumed it can be used under
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# wxWindows licence as the rest of the wiki material.
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import sys
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import os
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import os.path
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import re
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import array
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USAGE = """png2c - Embed a PNG in a C header file (like XPM)
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Usage: png2c [file ..] Output input PNG files as C structures on stdout"""
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if len(sys.argv) < 2:
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print USAGE
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sys.exit(1)
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r = re.compile("^([a-zA-Z._][a-zA-Z._0-9]*)[.][pP][nN][gG]$")
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for path in sys.argv[1:]:
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filename = os.path.basename(path).replace('-','_')
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m = r.match(filename)
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# Allow only filenames that make sense
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# as C variable names
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if not(m):
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print "Skipped file (unsuitable filename): " + filename
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continue
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# Read PNG file as character array
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bytes = array.array('B', open(path, "rb").read())
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count = len(bytes)
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# Create the C header
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text = "/* %s - %d bytes */\n" \
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"static const unsigned char %s_png[] = {\n" % (filename, count, m.group(1))
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# Iterate the characters, we want
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# lines like:
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# 0x01, 0x02, .... (8 values per line maximum)
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i = 0
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count = len(bytes)
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for byte in bytes:
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# Every new line starts with two whitespaces
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if (i % 8) == 0:
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text += " "
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# Then the hex data (up to 8 values per line)
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text += "0x%02x" % (byte)
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# Separate all but the last values
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if (i + 1) < count:
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text += ", "
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if (i % 8) == 7:
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text += '\n'
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i += 1
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# Now conclude the C source
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text += "};\n\n"
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print text
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