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247 Commits (345d9dc666816b32732241ce2fa001fc7437775b)
 

Author SHA1 Message Date
  sam 541e0213f7 * Goddammit, this time I'm fixing the f32 to u8 RGB conversion for real. 16 years ago
  sam 074e339ae3 * pixels.c: fix a bug in the f32 to u8 RGB conversion. 16 years ago
  sam f3a19b6ce5 * pixels.c: allow to call pipi_getpixels with PIPI_PIXELS_MASK_C. 16 years ago
  sam 23bd005f9c * pipi.h: add the PIPI_PIXELS_MASK_C pixel format for canvas boundaries. 16 years ago
  sam 24a1e37fc2 * pipi_internals.h: add two vector values for wrap around information. 16 years ago
  sam 7263c34dad * pixels.c: temporarily set internal gamma to 1.0 so that I can compare 16 years ago
  sam ac072123b4 * screen.c: add pipi_render_halftone() to create a 45-degree clustered dot 16 years ago
  sam 5ce1d403f6 * Allow bayer:256 constructs, which do the same as bayer:256x256. 16 years ago
  sam 6e0afb6f37 * Put the random and Bayer stock image generation into pipi/render/*. 16 years ago
  sam 645169e3b1 * Add the "halftone" dithering method, which uses classical halftone (aka. 16 years ago
  sam d12256b0f8 * stock.c: add new error diffusion kernels: Fan, Shiau-Fan, Stucki, Burkes, 16 years ago
  sam 44c9b8e15d * Get rid of the specific error diffusion functions, since our stock kernels 16 years ago
  sam 90c7527281 * Add pipi_dither_ediff(), a generic error diffusion dithering algorithm 16 years ago
  sam 6a9475464c * Do not prefix stock image names with "pipi:", it's redundant. 16 years ago
  sam 3784480d3b * Add a new image flag, u8, which indicates whether the image samples come 16 years ago
  sam 15bd183743 * Rename --rgb into --combine and add --split. Basic per-channel operations 16 years ago
  sam 6433a59c97 * rgb.c: implement pipi_red(), pipi_green() and pipi_blue() to extract 16 years ago
  sam e38943a327 * rgb.c: implement pipi_rgb(), to combine three RGB channels. 16 years ago
  sam 10baf86103 * pipi.c: implement --roll, RPL-style. 16 years ago
  sam b40fc1b330 * atkinson.c: implement Atkinson dithering. 16 years ago
  sam 36fb60cacf * transform.c: implement pipi_rotate90, pipi_rotate180 and pipi_rotate270. 16 years ago
  sam 2da45f954b * Implement pipi_vflip() and pipi_hflip(). 16 years ago
  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