![]() #Convert image to ascii art code#This value refers to the sum of all the pixel’s channels, divided by the sum of the maximum values the channels can have (in this case 255).įrom now on I’ll be using Python for the code examples for its simplicity and readability, but feel free to use any technology you prefer. To understand this, we must first take a look at pixel color intensity. Now that we’ve seen how images are represented, it’s time to talk about how a pixel can be transformed into an actual ASCII character. RGBA is what we’ll be working with since it can also be used to represent a void background. The difference between the two is that the latter has an additional channel, called “alpha”, that specifies the image opacity. Among the most common color values there are the classic RGB (Red Green Blue) and RGBA (Red Green Blue Alpha). They’re usually represented as a set of channels, also referred as colors. The actual image you see is composed of pixels, the smallest addressable element of a raster image which we’re all familiar with. The former stores useful information about the image such as its format signature, whereas the latter stores the actual pixel data. All these file types have a similar structure: they’re roughly composed of an header and a data section. Pictures are usually stored in formats such as. But can you represent a more complex image with just printable ASCII characters? What an image actually isįirst of all, is important to clarify how an image is represented in computer systems. The simplest form of this art are emoticons such as :-) or :-3. I’m sure many of you have heard of ASCII art, a graphic design technique that uses the printable ASCII character set to compose pictures. Therefore, it will be ignored if Flags.Braille is falseĭither bool // If Flags.SaveImagePath, Flags.SaveTxtPath or Flags.ASCII version of original image by freestocks on Unsplash Threshold int // Apply FloydSteinberg dithering on an image before ascii conversion. This will be ignored if Flags.Braille is not set Value provided must // be between 0 and 255. This overrides Flags.Complex and Flags.CustomMapīraille bool // Threshold for braille art if Flags.Braille is set to true. Otherwise, problems may be encountered with colored or even uncolored braille art. SaveBackgroundColor int // Use braille characters instead of ascii. This will be ignored if Flags.SaveImagePath or Flags.SaveGifPath are not set This will be ignored if Flags.SaveImagePath or Flags.SaveGifPath are not setįontFilePath string // Font RGB color for terminal display and saved png or gif files.ğontColor int // Background RGB color in saved png or gif files. ttf file to use when saving ascii art gif or png file. This overrides Flags.Dimensions, Flags.Width and Flags.Heightįull bool // File path to a font. " // This overrides Flags.ComplexĬustomMap string // Flip ascii art horizontallyğlipX bool // Flip ascii art verticallyğlipY bool // Use terminal width to calculate ascii art size while keeping aspect ratio. Grayscale bool // Pass custom ascii art characters as a string. ![]() ![]() gif files as well // This overrides Flags.FontColor ![]() This uses the True color // codes for the terminal and will work on saved. This overrides Flags.Grayscale and Flags.FontColorĬolored bool // If Flags.Colored, Flags.Grayscale or Flags.FontColor is set, use that color // on each character's background in the terminalĬharBackgroundColor bool // Keep grayscale colors from the original image. This uses the True color codes for // the terminal and will work on saved. gif file, if gif is passed SaveGifPath string // Invert ascii art character mapping as well as colors Negative bool // Keep colors from the original image. png file SaveImagePath string // Path to save ascii art. txt file SaveTxtPath string // Path to save ascii art. Height int // Use set of 69 characters instead of the default 10Ĝomplex bool // Path to save ascii art. Setting this along with Flags.Width will throw an error Width int // Set height of ascii art while calculating width from aspect ratio. ![]() Setting this along with Flags.Height will throw an error This overrides Flags.Width and Flags.Heightĭimensions int // Set width of ascii art while calculating height from aspect ratio. ![]()
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