all repos — python-meme-bot @ 85b1b54756199b8a5c4bdb370e02479889cbc6d6

Telegram Bot that uses PIL to compute light image processing.

Initial upload
samgermain sam.germain@usask.ca
Wed, 19 Aug 2020 23:08:27 -0600
commit

85b1b54756199b8a5c4bdb370e02479889cbc6d6

parent

88bf31c4f7c87e1ac6f753ed8ab1f6128af7c5b8

3 files changed, 88 insertions(+), 0 deletions(-)

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A main.py

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+from PIL import Image, ImageDraw, ImageFont +import textwrap + +class Meme: + + basewidth = 1200 #Width to make the meme + fontBase = 100 + letSpacing = 9 #Space between letters + fill = (255, 255, 255) #TextColor + stroke_fill = (0,0,0) #outlineColor + lineSpacing = 10 #Space between lines + stroke_width=9 #How thick the outline of the text is + fontfile = './impact.ttf' + + def __init__(self, caption, image): + self.img = self.createImage(image) + self.d = ImageDraw.Draw(self.img) + + self.splitCaption = textwrap.wrap(caption, width=20) # The text can be wider than the img. If thats the case split the text into multiple lines + self.splitCaption.reverse() # Draw the lines of text from the bottom up + + fontSize = self.fontBase+10 if len(self.splitCaption) <= 1 else self.fontBase #If there is only one line, make the text a bit larger + self.font = ImageFont.truetype(font=self.fontfile, size=fontSize) + # self.shadowFont = ImageFont.truetype(font='./impact.ttf', size=fontSize+10) + + def draw(self): + ''' + Draws text onto this objects img object + :return: A pillow image object with text drawn onto the image + ''' + (iw, ih) = self.img.size + (_, th) = self.d.textsize(self.splitCaption[0], font=self.font) #Height of the text + y = (ih - (ih / 10)) - (th / 2) #The starting y position to draw the last line of text. Text in drawn from the bottom line up + + for cap in self.splitCaption: #For each line of text + (tw, _) = self.d.textsize(cap, font=self.font) # Getting the position of the text + x = ((iw - tw) - (len(cap) * self.letSpacing))/2 # Center the text and account for the spacing between letters + + self.drawLine(x=x, y=y, caption=cap) + y = y - th - self.lineSpacing # Next block of text is higher up + + wpercent = ((self.basewidth/2) / float(self.img.size[0])) + hsize = int((float(self.img.size[1]) * float(wpercent))) + return self.img.resize((int(self.basewidth/2), hsize)) + + def createImage(self, image): + ''' + Resizes the image to a resonable standard size + :param image: Path to an image file + :return: A pil image object + ''' + img = Image.open(image) + wpercent = (self.basewidth / float(img.size[0])) + hsize = int((float(img.size[1]) * float(wpercent))) + return img.resize((self.basewidth, hsize)) + + def drawLine(self, x, y, caption): + ''' + The text gets split into multiple lines if it is wider than the image. This function draws a single line + :param x: The starting x coordinate of the text + :param y: The starting y coordinate of the text + :param caption: The text to write on the image + :return: None + ''' + for idx in range(0, len(caption)): #For each letter in the line of text + char = caption[idx] + w, h = self.font.getsize(char) #width and height of the letter + self.d.text( + (x, y), + char, + fill=self.fill, + stroke_width=self.stroke_width, + font=self.font, + stroke_fill=self.stroke_fill + ) # Drawing the text character by character. This way spacing can be added between letters + x += w + self.letSpacing #The next character must be drawn at an x position more to the right + + + +caption = "Now I Have a Caption" +image = './my_image.jpg' +outputImage = './my_captioned_image.jpg' + +meme = Meme(caption, image) +img = meme.draw() +if img.mode in ("RGBA", "P"): #Without this the code can break sometimes + img = img.convert("RGB") +img.save(outputImage, optimize=True, quality=80) #Save with some image optimization