mirror of
https://github.com/option8/RetroConnector.git
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merged with xandark
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commit
0cc11c31ce
3
.gitignore
vendored
3
.gitignore
vendored
@ -1 +1,4 @@
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.DS_Store
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.DS_Store
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*/.DS_Store
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.DS_Store
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Before Width: | Height: | Size: 57 KiB |
@ -12,9 +12,11 @@
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import os,sys # filesystem functions
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import os,sys # filesystem functions
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import subprocess
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try:
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try:
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import png # PNG image library
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import png # PNG image library
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except:
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except:
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print("\n\n" + sys.argv[0] + " requires the Python PNG module\n\n Download from https://pypi.python.org/pypi/pypng \n Or type in shell: pip install pypng\n\n")
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print("\n\n" + sys.argv[0] + " requires the Python PNG module\n\n Download from https://pypi.python.org/pypi/pypng \n Or type in shell: pip install pypng\n\n")
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sys.exit(1) # exit on exception - no library installed
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sys.exit(1) # exit on exception - no library installed
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@ -26,12 +28,25 @@ except:
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print("\n\nUsage: python "+ sys.argv[0] +" [filename]\n\n [filename] should be a .DSK file of 143kb.\n")
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print("\n\nUsage: python "+ sys.argv[0] +" [filename]\n\n [filename] should be a .DSK file of 143kb.\n")
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sys.exit(1) # exit on exception - no file chosen
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sys.exit(1) # exit on exception - no file chosen
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TEMPFILENAME = "DiskImageTEMP.png"
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PNG = open(TEMPFILENAME, "wb") # open a PNG for writing
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print("Checking " + INPUTFILE + "...\n")
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# to do: check for 140k 5.25'' disks vs 400k/800k 3.5'' and adjust accordingly
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if (os.path.getsize(INPUTFILE)) != 143360: # check file size. for 5.25'', it needs to be 143k
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print("\n\nOops. Is " + INPUTFILE + " a DSK file of 143kb?\n\n")
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sys.exit(1) # exit on exception - file is empty, etc
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# The point: Make a PNG image from the data on a floppy disk image.
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# The point: Make a PNG image from the data on a floppy disk image.
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# 35 tracks, each with 16 sectors of 256 bytes each, for a total of 143,360 bytes
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# 5.15'' disks have 35 tracks, each with 16 sectors of 256 bytes each, for a total of 143,360 bytes
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# so 35 lines of 4096 px.
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# so 35 lines of 4096 px.
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TRACKS = 35
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SECTORS = 16
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BYTESPERSECTOR = 256
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TEMPFILENAME = "DiskImageTEMP.png"
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PNG = open("DiskImageTEMP.png", "wb") # open a PNG for writing
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# new, empty arrays
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# new, empty arrays
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BYTES = []
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BYTES = []
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@ -50,23 +65,23 @@ except:
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print("\n Starting.\n")
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print("\n Starting.\n")
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for TRACK in range(0,35,1): # for each of the 35 tracks
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for TRACK in range(0,TRACKS,1): # for each of the 35 tracks
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LINE=[] # start a new line of pixels
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LINE=[] # start a new line of pixels
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for SECTOR in range(0,4096,1): # write the bytes for the sectors in that track to the line array
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for SECTOR in range(0,SECTORS*BYTESPERSECTOR,1): # write the bytes for the sectors in that track to the line array
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offset = (SECTOR * TRACK) + SECTOR
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offset = (SECTOR * TRACK) + SECTOR
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LINE.append(BYTES[(SECTOR * TRACK) + SECTOR])
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LINE.append(BYTES[(SECTOR * TRACK) + SECTOR])
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print(" Track: " + str(TRACK))
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print(" Track: " + str(TRACK))
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PIXELS.append(LINE) # add the array of pixels to the array of arrays
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PIXELS.append(LINE) # add the array of pixels to the array of arrays
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print("\n Done.\n")
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print("\n Done.\n")
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# write to the PNG file
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# write to the PNG file
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w = png.Writer(4096,35, greyscale=True, bitdepth=8)
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w = png.Writer(SECTORS*BYTESPERSECTOR,TRACKS, greyscale=True, bitdepth=8)
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w.write(PNG, PIXELS) # each number in the array becomes a pixel in the image. each array becomes a line.
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w.write(PNG, PIXELS) # each number in the array becomes a pixel in the image. each array becomes a line.
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print(" Writing to disk. Chunka-chunk-cka. Whirr...\n")
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sys.stdout.write("\n\n\r Writing bytes to disk. Chunka-chunka-chunk. Whirr.\n\n")
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sys.stdout.flush()
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DSK.close() # done with these files. close them.
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DSK.close() # done with these files. close them.
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PNG.close()
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PNG.close()
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@ -75,11 +90,16 @@ PNG.close()
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OUTPUTFILE = os.path.join(INPUTFILE + ".png")
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OUTPUTFILE = os.path.join(INPUTFILE + ".png")
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# set a destination file same as DSK, but with PNG extension
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# set a destination file same as DSK, but with PNG extension
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os.system('convert '+TEMPFILENAME+' -matte -virtual-pixel transparent -resize 1024x1024! -rotate 90 -distort Polar "512 110 512,512 -180,180" "'+OUTPUTFILE+'"')
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# Using ImageMagick, convert the 4096x35px image to a square, rotate, then rotate around an axis.
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# NOTE: Windows command line needs to have Polar coordinates enquoted with " not '
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try:
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# NOTE: Windows has a native command called convert which does something very different
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subprocess.call(['convert', 'DiskImageTEMP.png', '-matte', '-virtual-pixel', 'transparent', '-resize', '1024x1024!', '-rotate', '90', '-distort', 'Polar', '512 110 512,512 -180,180', OUTPUTFILE])
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# from ImageMagick's convert command, so obviously this will fail if IM is not installed
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# convert the 4096x35px image to a square, rotate, then rotate around an axis.
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except OSError:
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print("\n\nOops. This script requires ImageMagick: http://www.imagemagick.org/")
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sys.exit(1) # exit on exception - needs imagemagick installed
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if 'win32' in sys.platform:
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if 'win32' in sys.platform:
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# Because the Windows "start" commandline command cannot take an enquoted file or pathname,
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# Because the Windows "start" commandline command cannot take an enquoted file or pathname,
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