54 Commits (8bf0131c9fe2f59fe4a768b4521b3a4cca3f6f1c)

Author SHA1 Message Date
  sam e7c1b11fad Add missing M_PI definition in wave.c for Win32 compilation. 15 years ago
  sam 25eac661af wave.c: implement pipi_wave() in addition to pipi_sine(). The effect is 15 years ago
  sam 78c5fad50e wave.c: rename pipi_wave() into pipi_sine(). 15 years ago
  sam b7e3368c23 wave.c: change the wave arguments. The format is now eg. 150x100+10r1.3 where 15 years ago
  sam 37a1e5606e wave.c: better behaviour around image edges. 16 years ago
  sam 4936ebfa16 Fix a very old crash in the box blur filter that occurred when the image 16 years ago
  sam f0b30c6fa1 Properly handle alpha components in the convolution code. 16 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 4bfa33f1b9 Start writing Visual Studio projects. 16 years ago
  sam 0eb36a6225 Support C99 types on Win32 through the same hacks as in libcaca. 16 years ago
  sam 36438eed8f Fix headers. 16 years ago
  sam 37ed52dc95 * median.c: oops, fix argument types in the qsort call. 16 years ago
  sam 82bb59111c * median.c: use the libc's qsort to find the median value. Not really the 16 years ago
  sam 0cca668930 * pipi_template.h: factor the last unrolled preprocessor loop. 16 years ago
  sam daa741e235 * convolution.c: refactor the template functions, removing 30 lines of 16 years ago
  sam 729fb74fec * blur.c: support wrap around images in box blur (it's actually support for 16 years ago
  sam 916f579194 * blur.c: use the template system for the boxblur functions. 16 years ago
  sam 5a9d928338 * blur.c: fix the separate filter optimisation in the blur code by not 16 years ago
  sam 8ddfafa5ba * Rework the convolution template system. 16 years ago
  sam db9a8eae50 * convolution_template.h: clamp output values after a convolution. 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 8e5b11ae39 * convolution_template.h: disambiguate parentheses. 16 years ago
  sam 8996a532df * blur.c: improve the Gaussian kernel interpolation. 16 years ago
  sam e50ce5c67a * color.c: implement pipi_brightness() and pipi_contrast(). 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 97930521fc * blur.c: add an argument to the gaussian convolution to specify an angle. 16 years ago
  sam 1e47505892 * convolution.c: move local function prototypes to convolution_template.h. 16 years ago
  sam 7f3e08d021 * convolution.c: support for wrap-around in convolutions. 16 years ago
  sam ec187df115 * convolution_template.h: split convolution routines into separate functions 16 years ago
  sam 1ff729fd7b * convolution.c: fix a small memory leak in the convolution filter. 16 years ago
  sam 77ec441434 * blur.c: implement box blur; currently runs in O(n) but we could make it 16 years ago
  sam b7c2d1f847 * autocontrast.c: simple autocontrast filter; does not work very well. 16 years ago
  sam 8c4591f1d9 * blur.c: remove the blurring code and use our generic convolution 16 years ago
  sam 03ca8dc76d * convolution.c: automatically detect when a convolution filter is separable 16 years ago
  sam 89f35cb8fd * convolution.c: generic convolution method. Does not take advantage of 16 years ago
  sam 4a278923ff * blur.c: adapt the kernel size to large values of dx and/or dy. 16 years ago
  sam a11f92ff95 * blur.c: support for greyscale images. 16 years ago
  sam 877e7b21a9 * filter/blur.c: avoid annoying side effects with very small or negative 16 years ago
  sam ea38654c88 * filter/blur.c: minor optimisation in the kernel generation. 16 years ago
  sam 4a857277a7 * blur.c: support for variable blur radius and Gaussian offset. 16 years ago