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63 Commits (756cc89890f3fc82911730ac29c376ff98f63986)

Autor SHA1 Nachricht Datum
  jylam 756cc89890 * Preliminary image histogram routines and example vor 16 Jahren
  sam 3dba2d0198 * Add pipi_order, to transform any image into an ordered dithering matrix. vor 16 Jahren
  jylam 306ec17156 * Added a bezier curve primitive (2 control points). vor 16 Jahren
  jylam 0a06b0af5f * Moved *line_template.c to .h files to avoid problems with autotools (sam) vor 16 Jahren
  jylam b67fde0e94 * Added Wu-Xaolin antialiased lines (Still lacks RGBA32 transparency code, with a fallback to float for now) vor 16 Jahren
  jylam 971efb124e * Added simple Bresenham line drawing routines (RGBA_32, RGBA_F, Y_F) vor 16 Jahren
  sam 23bd005f9c * pipi.h: add the PIPI_PIXELS_MASK_C pixel format for canvas boundaries. vor 16 Jahren
  sam ac072123b4 * screen.c: add pipi_render_halftone() to create a 45-degree clustered dot vor 16 Jahren
  sam 6e0afb6f37 * Put the random and Bayer stock image generation into pipi/render/*. vor 16 Jahren
  sam 645169e3b1 * Add the "halftone" dithering method, which uses classical halftone (aka. vor 16 Jahren
  sam 44c9b8e15d * Get rid of the specific error diffusion functions, since our stock kernels vor 16 Jahren
  sam 90c7527281 * Add pipi_dither_ediff(), a generic error diffusion dithering algorithm vor 16 Jahren
  sam 6433a59c97 * rgb.c: implement pipi_red(), pipi_green() and pipi_blue() to extract vor 16 Jahren
  sam e38943a327 * rgb.c: implement pipi_rgb(), to combine three RGB channels. vor 16 Jahren
  sam b40fc1b330 * atkinson.c: implement Atkinson dithering. vor 16 Jahren
  sam 36fb60cacf * transform.c: implement pipi_rotate90, pipi_rotate180 and pipi_rotate270. vor 16 Jahren
  sam 2da45f954b * Implement pipi_vflip() and pipi_hflip(). vor 16 Jahren
  sam 0cab178432 * color.c: implement pipi_threshold(). vor 16 Jahren
  sam 31fec9b526 * Add pipi_dilate() / pipi_erode() and --dilate / --erode. vor 16 Jahren
  sam d9f3b654bc * median.c: add a median filter. Highly unoptimised for now. vor 16 Jahren
  sam baa3d82e4b * Move the palette reduction algorithm into pipi_reduce(). vor 16 Jahren
  sam e50ce5c67a * color.c: implement pipi_brightness() and pipi_contrast(). vor 16 Jahren
  jylam 22b3af001b * Added string.h to list of included files, for memcpy() vor 16 Jahren
  sam 18e1cc4471 * Add pipi_invert() to invert an image's colours. vor 16 Jahren
  sam 48b881b6fa * Add pipi_tile, to create image mosaics. vor 16 Jahren
  sam 97930521fc * blur.c: add an argument to the gaussian convolution to specify an angle. vor 16 Jahren
  sam b74fad466b * Implement difference, multiply, divide, screen and overlay blend methods. vor 16 Jahren
  sam da84205cde * subadd.c: add pipi_sub() and pipi_add() as another way to combine two vor 16 Jahren
  sam 6fb5354eff * minmax.c: add pipi_min() and pipi_max() as another way to combine two vor 16 Jahren
  sam 9bd6b555f9 * mean.c: implement pipi_mean() to compute a mean image. vor 16 Jahren
  sam 25cdf35a86 * jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like vor 16 Jahren
  sam eb9a270380 * pipi_dither_ordered() now takes two arguments; any image can be used as vor 16 Jahren
  sam 3014994c61 * codec.c: support for stock images in pipi_load(). vor 16 Jahren
  sam 0f3943d0fe * Add functions that handle a stack-based processing queue. vor 16 Jahren
  sam 77ec441434 * blur.c: implement box blur; currently runs in O(n) but we could make it vor 16 Jahren
  sam b7c2d1f847 * autocontrast.c: simple autocontrast filter; does not work very well. vor 16 Jahren
  sam c269c219b2 * Get rid of test.c, it was no longer useful anyway. vor 16 Jahren
  jylam baa61a9f6d * Handle alpha layer in floodfill (but don't make it conditionnal to the algorithm) vor 16 Jahren
  jylam 290e151913 * First shot of a floodfiller (both u32 and float, 4 neighbours) vor 16 Jahren
  sam 0eda956bfc * random.c: implement random dithering using a deterministic pseudo-RNG. vor 16 Jahren
  sam 66f9ce5ea4 * pipi.c: implement pipi_copy(). vor 16 Jahren
  sam a17c6753e3 * pixels.c: store byte length and bits-per-pixel value in the pipi_pixels_t vor 16 Jahren
  sam 41efcdecc0 * Prefix dithering functions with _dither_ to avoid namespace cluttering. vor 16 Jahren
  sam 6a3309663e * ordered.c: implement Bayer dithering (pretty trivial). vor 16 Jahren
  sam 89f35cb8fd * convolution.c: generic convolution method. Does not take advantage of vor 16 Jahren
  sam 87f8e922ab * Error diffusion methods now support either raster or serpentine scan. vor 16 Jahren
  sam 302ce37f8e * ostromoukhov.c: Ostromoukhov's simple error diffusion algorithm. vor 16 Jahren
  sam 628c2618da * dbs.c: new dithering function: Direct Binary Search. One of the best vor 16 Jahren
  sam eaad4db6f9 * measure.c: there is now pipi_measure_msd in addition to pipi_measure_rmsd. vor 16 Jahren
  sam 1408cff41d * Add Floyd-Steinberg grayscale dithering. vor 16 Jahren