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196 lines
9.8 KiB
Python
196 lines
9.8 KiB
Python
#!/usr/bin/env python3
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#
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# CanvasExportStore.py -- XXX
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# Copyright (c) 2018, 2019 Lucio Andrés Illanes Albornoz <lucio@lucioillanes.de>
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#
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from CanvasColours import ColourMapBold, ColourMapNormal, MiRCARTToAnsiColours
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import io, os, tempfile
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try:
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from PIL import Image, ImageDraw, ImageFont
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havePIL = True
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except ImportError:
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havePIL = False
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try:
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import base64, json, requests, urllib.request
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haveUrllib = True
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except ImportError:
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haveUrllib = False
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class CanvasExportStore():
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"""XXX"""
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# {{{ _CellState(): Cell state
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class _CellState():
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CS_NONE = 0x00
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CS_BOLD = 0x01
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CS_ITALIC = 0x02
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CS_UNDERLINE = 0x04
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# }}}
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ImgurUploadUrl = "https://api.imgur.com/3/upload.json"
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PastebinPostUrl = "https://pastebin.com/api/api_post.php"
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# {{{ _drawUnderline(self, curPos, fillColour, fontSize, imgDraw): XXX
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def _drawUnderLine(self, curPos, fillColour, fontSize, imgDraw):
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imgDraw.line( \
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xy=(curPos[0], curPos[1] + (fontSize[1] - 2), \
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curPos[0] + fontSize[0], curPos[1] + (fontSize[1] - 2)), \
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fill=fillColour)
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# }}}
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# {{{ exportAnsiFile(self, canvasMap, canvasSize, outFile): XXX
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def exportAnsiFile(self, canvasMap, canvasSize, outFile):
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outBuffer = ""
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for inCurRow in range(len(canvasMap)):
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lastAttribs, lastColours = self._CellState.CS_NONE, None
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for inCurCol in range(len(canvasMap[inCurRow])):
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inCurCell = canvasMap[inCurRow][inCurCol]
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if lastAttribs != inCurCell[2]:
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if inCurCell[2] & self._CellState.CS_BOLD:
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outBuffer += "\u001b[1m"
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if inCurCell[2] & self._CellState.CS_UNDERLINE:
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outBuffer += "\u001b[4m"
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lastAttribs = inCurCell[2]
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if lastColours == None or lastColours != inCurCell[:2]:
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ansiBg = MiRCARTToAnsiColours[int(inCurCell[1])] + 10
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ansiFg = MiRCARTToAnsiColours[int(inCurCell[0])]
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outBuffer += "\u001b[{:02d}m\u001b[{:02d}m{}".format(ansiBg, ansiFg, inCurCell[3])
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lastColours = inCurCell[:2]
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else:
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outBuffer += inCurCell[3]
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outBuffer += "\u001b[0m\n"
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if len(outBuffer):
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outFile.write(outBuffer)
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return (True, None)
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else:
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return (False, "empty buffer generated")
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# }}}
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# {{{ exportBitmapToImgur(self, apiKey, canvasBitmap, imgName, imgTitle, imgType): XXX
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def exportBitmapToImgur(self, apiKey, canvasBitmap, imgName, imgTitle, imgType):
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tmpPathName = tempfile.mkstemp()
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os.close(tmpPathName[0])
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canvasBitmap.ConvertToImage().SaveFile(tmpPathName[1], imgType)
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with open(tmpPathName[1], "rb") as requestImage:
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requestImageData = requestImage.read()
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requestData = { \
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"image": base64.b64encode(requestImageData), \
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"key": apiKey, \
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"name": imgName, \
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"title": imgTitle, \
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"type": "base64"}
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requestHeaders = {"Authorization": "Client-ID " + apiKey}
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responseHttp = requests.post(self.ImgurUploadUrl, data=requestData, headers=requestHeaders)
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responseDict = json.loads(responseHttp.text)
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if responseHttp.status_code == 200:
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imgurResult = (True, responseHttp.status_code, responseDict.get("data").get("link"))
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else:
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imgurResult = (False, responseHttp.status_code, responseDict.get("data"))
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os.remove(tmpPathName[1])
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return imgurResult
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# }}}
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# {{{ exportBitmapToPngFile(self, canvasBitmap, outPathName, outType): XXX
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def exportBitmapToPngFile(self, canvasBitmap, outPathName, outType):
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return canvasBitmap.ConvertToImage().SaveFile(outPathName, outType)
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# }}}
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# {{{ exportPastebin(self, apiDevKey, canvasMap, canvasSize, pasteName="", pastePrivate=0): XXX
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def exportPastebin(self, apiDevKey, canvasMap, canvasSize, pasteName="", pastePrivate=0):
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if haveUrllib:
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outFile = io.StringIO()
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self.exportTextFile(canvasMap, canvasSize, outFile)
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requestData = { \
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"api_dev_key": apiDevKey, \
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"api_option": "paste", \
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"api_paste_code": outFile.getvalue().encode(), \
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"api_paste_name": pasteName, \
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"api_paste_private": pastePrivate}
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responseHttp = requests.post(self.PastebinPostUrl, data=requestData)
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if responseHttp.status_code == 200:
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return (True if responseHttp.text.startswith("http") else False, responseHttp.text)
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else:
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return (False, str(responseHttp.status_code))
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else:
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return (False, "missing requests and/or urllib3 module(s)")
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# }}}
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# {{{ exportPngFile(self, canvasMap, fontFilePath, fontSize, outPathName): XXX
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def exportPngFile(self, canvasMap, fontFilePath, fontSize, outPathName):
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if havePIL:
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inSize = (len(canvasMap[0]), len(canvasMap))
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outCurPos = [0, 0]
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outFontFilePath, outFontSize = fontFilePath, fontSize
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outImgFont = ImageFont.truetype(outFontFilePath, outFontSize)
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outImgFontSize = [*outImgFont.getsize(" ")]; outImgFontSize[1] += 3;
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outSize = [a * b for a, b in zip(inSize, outImgFontSize)]
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outImg = Image.new("RGBA", outSize, (*ColourMapNormal[1], 255))
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outImgDraw = ImageDraw.Draw(outImg); outImgDraw.fontmode = "1";
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for inCurRow in range(len(canvasMap)):
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for inCurCol in range(len(canvasMap[inCurRow])):
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inCurCell = canvasMap[inCurRow][inCurCol]; outColours = [0, 0];
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if inCurCell[2] & self._CellState.CS_BOLD:
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if inCurCell[3] != " ":
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if inCurCell[3] == "█":
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outColours[1] = ColourMapNormal[inCurCell[0]]
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else:
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outColours = (ColourMapBold[inCurCell[0]], ColourMapNormal[inCurCell[1]])
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else:
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outColours[1] = ColourMapNormal[inCurCell[1]]
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else:
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if inCurCell[3] != " ":
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if inCurCell[3] == "█":
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outColours[1] = ColourMapNormal[inCurCell[0]]
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else:
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outColours = (ColourMapNormal[inCurCell[0]], ColourMapNormal[inCurCell[1]])
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else:
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outColours[1] = ColourMapNormal[inCurCell[1]]
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outImgDraw.rectangle((*outCurPos, outCurPos[0] + outImgFontSize[0], outCurPos[1] + outImgFontSize[1]), fill=(*outColours[1], 255))
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if not inCurCell[3] in " █" \
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and outColours[0] != outColours[1]:
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# XXX implement italic
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outImgDraw.text(outCurPos, inCurCell[3], (*outColours[0], 255), outImgFont)
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if inCurCell[2] & self._CellState.CS_UNDERLINE:
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outColours[0] = ColourMapNormal[inCurCell[0]]
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self._drawUnderLine(outCurPos, (*outColours[0], 255), outImgFontSize, outImgDraw)
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outCurPos[0] += outImgFontSize[0];
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outCurPos[0] = 0; outCurPos[1] += outImgFontSize[1];
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outImg.save(outPathName);
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return (True, None)
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else:
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return (False, "missing PIL modules")
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# }}}
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# {{{ exportTextBuffer(self, canvasMap, canvasSize): XXX
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def exportTextBuffer(self, canvasMap, canvasSize):
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outBuffer = ""
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for canvasRow in range(canvasSize[1]):
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canvasLastColours = [15, 1]
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for canvasCol in range(canvasSize[0]):
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canvasColColours = canvasMap[canvasRow][canvasCol][0:2]
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canvasColText = canvasMap[canvasRow][canvasCol][3]
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if canvasColColours[0] != canvasLastColours[0] \
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and canvasColColours[1] != canvasLastColours[1]:
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if canvasColColours[0] == canvasLastColours[1] \
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and canvasColColours[1] == canvasLastColours[0]:
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outBuffer += "\u0016"
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else:
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outBuffer += "\u0003{},{}".format(canvasColColours[0], canvasColColours[1])
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canvasLastColours = canvasColColours
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elif canvasColColours[1] != canvasLastColours[1]:
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outBuffer += "\u0003{},{}".format(canvasLastColours[0], canvasColColours[1])
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canvasLastColours[1] = canvasColColours[1]
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elif canvasColColours[0] != canvasLastColours[0]:
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outBuffer += "\u0003{}".format(canvasColColours[0])
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canvasLastColours[0] = canvasColColours[0]
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outBuffer += canvasColText
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outBuffer += "\n"
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if len(outBuffer):
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return (True, outBuffer)
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else:
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return (False, "empty buffer generated")
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# }}}
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# {{{ exportTextFile(self, canvasMap, canvasSize, outFile): XXX
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def exportTextFile(self, canvasMap, canvasSize, outFile):
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rc, outBuffer = self.exportTextBuffer(canvasMap, canvasSize)
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return outFile.write(outBuffer) if rc else (rc, outBuffer)
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# }}}
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# vim:expandtab foldmethod=marker sw=4 ts=4 tw=120
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