275 Commits (260a030ebaf0669165ba43a6d748431b6c1ce1d4)
 

Author SHA1 Message Date
  sam 412dafd400 * median.c: oops, removed old debugging hack from pipi_median(). 16 years ago
  sam 0cab178432 * color.c: implement pipi_threshold(). 16 years ago
  sam 31fec9b526 * Add pipi_dilate() / pipi_erode() and --dilate / --erode. 16 years ago
  sam 114afed869 * median.c: fix the RGBA median filter. 16 years ago
  sam d9f3b654bc * median.c: add a median filter. Highly unoptimised for now. 16 years ago
  sam a1ad690056 * blur.c: proper box blur implementation that runs linearly with 16 years ago
  sam ab1487e666 * Add --boxblur to the pipi command line. 16 years ago
  sam 8e5b11ae39 * convolution_template.h: disambiguate parentheses. 16 years ago
  sam db43a4df0d * img2rubik.c: add quick and dirty dithering code to img2rubik. 16 years ago
  sam 8996a532df * blur.c: improve the Gaussian kernel interpolation. 16 years ago
  sam baa3d82e4b * Move the palette reduction algorithm into pipi_reduce(). 16 years ago
  sam f6e201c341 * img2rubik.c: improve stability by clipping t. 16 years ago
  sam 585af308a2 * img2rubik.c: fix convex hull build, some points were not properly 16 years ago
  sam b9ccaad752 * img2rubik.c: 16 years ago
  sam 0151c722cd * More img2rubik experimentation, with a lot of debugging messages. 16 years ago
  sam e23268c286 * img2rubik.c: factor out the hull generation so that we can also build a 16 years ago
  sam 89ae481795 * More color reduction work: we can now constraint an image's palette to 16 years ago
  sam f6f7cbc060 * pixels.c: fix uninitialised w and h in pipi_getpixels. 16 years ago
  sam 9ba0524b9a * stock.c: the random stock image now creates RGB noise. 16 years ago
  sam 13bbfb8b27 * Start working on colour reduction with a constrained palette. 16 years ago
  sam e50ce5c67a * color.c: implement pipi_brightness() and pipi_contrast(). 16 years ago
  sam 43e5e3a28d * Add a NOTES file for random notes. 16 years ago
  jylam 22b3af001b * Added string.h to list of included files, for memcpy() 16 years ago
  jylam 7c5ed9890f * Removed pipi/fill directory (I thought I had done this before. Hurra Pastis.) 16 years ago
  sam 37ab68e449 * blur.c: improve the Gaussian kernel generation by interpolating its 16 years ago
  sam 18e1cc4471 * Add pipi_invert() to invert an image's colours. 16 years ago
  sam 48b881b6fa * Add pipi_tile, to create image mosaics. 16 years ago
  sam edd4a03a1e * Add the --scale flag. Resizes the image like --geometry, except with 16 years ago
  sam 97930521fc * blur.c: add an argument to the gaussian convolution to specify an angle. 16 years ago
  sam 3bcf099f65 * Allow pipi --blur to specify both the X and Y Gaussian sizes. Now we can 16 years ago
  sam 555ba323e9 * pipi.c: add the --geometry flag (only wxh for now). 16 years ago
  sam b74fad466b * Implement difference, multiply, divide, screen and overlay blend methods. 16 years ago
  sam 1e47505892 * convolution.c: move local function prototypes to convolution_template.h. 16 years ago
  sam b089bc14b6 * context.c: add the "swap" command to swap two images in the stack. 16 years ago
  sam da84205cde * subadd.c: add pipi_sub() and pipi_add() as another way to combine two 16 years ago
  sam a5ceceaf77 * stock.c: allow arbitrary sizes for the bayer stock image, even if they 16 years ago
  sam 6fb5354eff * minmax.c: add pipi_min() and pipi_max() as another way to combine two 16 years ago
  sam 9bd6b555f9 * mean.c: implement pipi_mean() to compute a mean image. 16 years ago
  sam 31fd250bd2 * Support --autocontrast in pipi. 16 years ago
  sam 7f3e08d021 * convolution.c: support for wrap-around in convolutions. 16 years ago
  sam 103e0629a2 * pipi.c: implement the "--gray" flag for grayscale conversion. 16 years ago
  sam ec187df115 * convolution_template.h: split convolution routines into separate functions 16 years ago
  sam 25cdf35a86 * jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like 16 years ago
  sam b5500986b2 * floydsteinberg.c: minor optimisation in the FStein error propagation. 16 years ago
  sam b658564a1f * context.c: fix an old bug that was incorrectly rounding down blur values. 16 years ago
  sam ee6e43cf81 * stock.c: generate images with random noise. 16 years ago
  sam eb9a270380 * pipi_dither_ordered() now takes two arguments; any image can be used as 16 years ago
  sam 3014994c61 * codec.c: support for stock images in pipi_load(). 16 years ago
  sam d6b8cca4ec * context.c: implement various dithering commands and Gaussian blur. 16 years ago
  sam 0549f43287 * Start working on "pipi", a command-line libpipi tool. It will be similar 16 years ago