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54 Commits (c117c13d61f6041c44a178a190f9941023e02b1e)

Author SHA1 Message Date
  sam bd77b09b6e Add functions to convert from RGB to YUV and back. 14 years ago
  sam 3f31901de2 Implement bicubic resampling. Lacks some blurring in the pre-pass, maybe. 14 years ago
  sam fb7d1905d2 Implement pipi_blit(). 15 years ago
  sam 859e659c5b Implement pipi_rotate(). Currently nearest-neighbour only, supersample if 15 years ago
  sam 25eac661af wave.c: implement pipi_wave() in addition to pipi_sine(). The effect is 15 years ago
  sam 44eca2e75e context.c: factor some code to gain 180 lines of code. 15 years ago
  sam 78c5fad50e wave.c: rename pipi_wave() into pipi_sine(). 15 years ago
  sam 3b38443852 resize.c: add pipi_crop() and the --crop flag. 15 years ago
  sam 80bfef8e57 mean.c: rename this file into merge.c and implement pipi_merge() for trivial 15 years ago
  sam b7e3368c23 wave.c: change the wave arguments. The format is now eg. 150x100+10r1.3 where 15 years ago
  sam 2ff222affb Add a wave filter for crappy sine effects. 16 years ago
  sam 1ff231b9f7 Change _C pixel format suffixes into _U8 for more clarity. 16 years ago
  sam bb926c7a95 Rename pipi_getpixel into pipi_get_pixels. 16 years ago
  sam 0eb36a6225 Support C99 types on Win32 through the same hacks as in libcaca. 16 years ago
  sam d5432bccff Hide the list of available commands in pipi/context.c, so that the 16 years ago
  sam 59e4d8ccd6 Add a --gamma command to modify the global gamma value. This is a nasty 16 years ago
  sam 36438eed8f Fix headers. 16 years ago
  sam bd54059e60 * Add a scale parameter to pipi_dither_ordered_ext(). 16 years ago
  sam 4fefa85cd9 * ordered.c: allow to rotate the dither pattern, using nearest-neighbour 16 years ago
  sam 3dba2d0198 * Add pipi_order, to transform any image into an ordered dithering matrix. 16 years ago
  jylam bdabe44f3a * Added line to pipi tool (format x1,y1,x2,y2,color,aa, width coordinates as ints, color as hex quadret, aa as an optionnal bit which controls 16 years ago
  sam 645169e3b1 * Add the "halftone" dithering method, which uses classical halftone (aka. 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 15bd183743 * Rename --rgb into --combine and add --split. Basic per-channel operations 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 0cab178432 * color.c: implement pipi_threshold(). 16 years ago
  sam 31fec9b526 * Add pipi_dilate() / pipi_erode() and --dilate / --erode. 16 years ago
  sam d9f3b654bc * median.c: add a median filter. Highly unoptimised for now. 16 years ago
  sam ab1487e666 * Add --boxblur to the pipi command line. 16 years ago
  sam e50ce5c67a * color.c: implement pipi_brightness() and pipi_contrast(). 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 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 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 25cdf35a86 * jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like 16 years ago