source: libpipi

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(edit) @2761   13 years Sam Hocevar * Add the "halftone" dithering method, which uses classical halftone …
(edit) @2760   13 years Sam Hocevar * stock.c: add new error diffusion kernels: Fan, Shiau-Fan, Stucki, …
(edit) @2759   13 years Sam Hocevar * Get rid of the specific error diffusion functions, since our stock …
(edit) @2758   13 years Sam Hocevar * Add pipi_dither_ediff(), a generic error diffusion dithering …
(edit) @2757   13 years Sam Hocevar * Do not prefix stock image names with "pipi:", it's redundant.
(edit) @2756   13 years Sam Hocevar * Add a new image flag, u8, which indicates whether the image samples …
(edit) @2755   13 years Sam Hocevar * Rename --rgb into --combine and add --split. Basic per-channel …
(edit) @2754   13 years Sam Hocevar * rgb.c: implement pipi_red(), pipi_green() and pipi_blue() to extract …
(edit) @2753   13 years Sam Hocevar * rgb.c: implement pipi_rgb(), to combine three RGB channels.
(edit) @2752   13 years Sam Hocevar * pipi.c: implement --roll, RPL-style.
(edit) @2751   13 years Sam Hocevar * atkinson.c: implement Atkinson dithering.
(edit) @2750   13 years Sam Hocevar * transform.c: implement pipi_rotate90, pipi_rotate180 and pipi_rotate270.
(edit) @2749   13 years Sam Hocevar * Implement pipi_vflip() and pipi_hflip().
(edit) @2748   13 years Sam Hocevar * median.c: oops, removed old debugging hack from pipi_median().
(edit) @2747   13 years Sam Hocevar * color.c: implement pipi_threshold().
(edit) @2746   13 years Sam Hocevar * Add pipi_dilate() / pipi_erode() and --dilate / --erode.
(edit) @2745   13 years Sam Hocevar * median.c: fix the RGBA median filter.
(edit) @2744   13 years Sam Hocevar * median.c: add a median filter. Highly unoptimised for now.
(edit) @2743   13 years Sam Hocevar * blur.c: proper box blur implementation that runs linearly with …
(edit) @2742   13 years Sam Hocevar * Add --boxblur to the pipi command line.
(edit) @2741   13 years Sam Hocevar * convolution_template.h: disambiguate parentheses.
(edit) @2738   13 years Sam Hocevar * img2rubik.c: add quick and dirty dithering code to img2rubik.
(edit) @2737   13 years Sam Hocevar * blur.c: improve the Gaussian kernel interpolation.
(edit) @2736   13 years Sam Hocevar * Move the palette reduction algorithm into pipi_reduce().
(edit) @2734   13 years Sam Hocevar * img2rubik.c: improve stability by clipping t.
(edit) @2733   13 years Sam Hocevar * img2rubik.c: fix convex hull build, some points were not properly …
(edit) @2732   13 years Sam Hocevar * img2rubik.c: + fix RGB-space UV projection. + free allocated …
(edit) @2731   13 years Sam Hocevar * More img2rubik experimentation, with a lot of debugging messages.
(edit) @2730   13 years Sam Hocevar * img2rubik.c: factor out the hull generation so that we can also …
(edit) @2729   13 years Sam Hocevar * More color reduction work: we can now constraint an image's palette …
(edit) @2728   13 years Sam Hocevar * pixels.c: fix uninitialised w and h in pipi_getpixels.
(edit) @2727   13 years Sam Hocevar * stock.c: the random stock image now creates RGB noise.
(edit) @2726   13 years Sam Hocevar * Start working on colour reduction with a constrained palette.
(edit) @2725   13 years Sam Hocevar * color.c: implement pipi_brightness() and pipi_contrast(). * …
(edit) @2724   13 years Sam Hocevar * Add a NOTES file for random notes.
(edit) @2722   13 years Jean-Yves Lamoureux * Added string.h to list of included files, for memcpy()
(edit) @2721   13 years Jean-Yves Lamoureux * Removed pipi/fill directory (I thought I had done this before. Hurra …
(edit) @2719   13 years Sam Hocevar * blur.c: improve the Gaussian kernel generation by interpolating its …
(edit) @2718   13 years Sam Hocevar * Add pipi_invert() to invert an image's colours.
(edit) @2717   13 years Sam Hocevar * Add pipi_tile, to create image mosaics.
(edit) @2716   13 years Sam Hocevar * Add the --scale flag. Resizes the image like --geometry, except with …
(edit) @2715   13 years Sam Hocevar * blur.c: add an argument to the gaussian convolution to specify an …
(edit) @2713   13 years Sam Hocevar * Allow pipi --blur to specify both the X and Y Gaussian sizes. Now we …
(edit) @2712   13 years Sam Hocevar * pipi.c: add the --geometry flag (only wxh for now).
(edit) @2711   13 years Sam Hocevar * Implement difference, multiply, divide, screen and overlay blend methods.
(edit) @2710   13 years Sam Hocevar * convolution.c: move local function prototypes to convolution_template.h.
(edit) @2709   13 years Sam Hocevar * context.c: add the "swap" command to swap two images in the stack.
(edit) @2708   13 years Sam Hocevar * subadd.c: add pipi_sub() and pipi_add() as another way to combine …
(edit) @2707   13 years Sam Hocevar * stock.c: allow arbitrary sizes for the bayer stock image, even if …
(edit) @2706   13 years Sam Hocevar * minmax.c: add pipi_min() and pipi_max() as another way to combine …
(edit) @2705   13 years Sam Hocevar * mean.c: implement pipi_mean() to compute a mean image.
(edit) @2704   13 years Sam Hocevar * Support --autocontrast in pipi.
(edit) @2703   13 years Sam Hocevar * convolution.c: support for wrap-around in convolutions. * pipi.c: …
(edit) @2702   13 years Sam Hocevar * pipi.c: implement the "--gray" flag for grayscale conversion.
(edit) @2701   13 years Sam Hocevar * convolution_template.h: split convolution routines into separate …
(edit) @2700   13 years Sam Hocevar * jajuni.c: add Jarvis-Judice-Ninke dithering. It's a …
(edit) @2699   13 years Sam Hocevar * floydsteinberg.c: minor optimisation in the FStein error propagation.
(edit) @2698   13 years Sam Hocevar * context.c: fix an old bug that was incorrectly rounding down blur values.
(edit) @2697   13 years Sam Hocevar * stock.c: generate images with random noise.
(edit) @2696   13 years Sam Hocevar * pipi_dither_ordered() now takes two arguments; any image can be used …
(edit) @2695   13 years Sam Hocevar * codec.c: support for stock images in pipi_load(). * stock.c: start …
(edit) @2694   13 years Sam Hocevar * context.c: implement various dithering commands and Gaussian blur. …
(edit) @2693   13 years Sam Hocevar * Start working on "pipi", a command-line libpipi tool. It will be …
(edit) @2692   13 years Sam Hocevar * Add functions that handle a stack-based processing queue.
(edit) @2684   13 years Sam Hocevar * convolution.c: fix a small memory leak in the convolution filter.
(edit) @2681   13 years Sam Hocevar * blur.c: implement box blur; currently runs in O(n) but we could make …
(edit) @2680   13 years Sam Hocevar * autocontrast.c: simple autocontrast filter; does not work very well.
(edit) @2679   13 years Sam Hocevar * Get rid of test.c, it was no longer useful anyway.
(edit) @2678   13 years Jean-Yves Lamoureux * Handle alpha layer in floodfill (but don't make it conditionnal to …
(edit) @2676   13 years Jean-Yves Lamoureux * First shot of a floodfiller (both u32 and float, 4 neighbours)
(edit) @2672   13 years Sam Hocevar * dbs.c: generate the initial halftone using random dithering instead …
(edit) @2671   13 years Sam Hocevar * random.c: implement random dithering using a deterministic pseudo-RNG.
(edit) @2670   13 years Sam Hocevar * Dithering algorithms no longer modify the original image.
(edit) @2669   13 years Sam Hocevar * pipi.c: fix a memory leak caused by empty picture having …
(edit) @2668   13 years Sam Hocevar * pipi.c: implement pipi_copy().
(edit) @2667   13 years Sam Hocevar * pixels.c: store byte length and bits-per-pixel value in the …
(edit) @2666   13 years Sam Hocevar * Prefix dithering functions with _dither_ to avoid namespace cluttering.
(edit) @2665   13 years Sam Hocevar * ordered.c: implement Bayer dithering (pretty trivial).
(edit) @2664   13 years Sam Hocevar * dbs.c: optimise DBS by ignoring 16x16 cells that had no pixel …
(edit) @2663   13 years Sam Hocevar * dbs.c: improve the DBS human visual system kernel by adding two …
(edit) @2662   13 years Sam Hocevar * sharpen.c: add a sharpen filter example, using our generic …
(edit) @2661   13 years Sam Hocevar * blur.c: remove the blurring code and use our generic convolution …
(edit) @2660   13 years Sam Hocevar * convolution.c: automatically detect when a convolution filter is …
(edit) @2659   13 years Sam Hocevar * blur.c: fix the blur example’s argument checking.
(edit) @2658   13 years Sam Hocevar * convolution.c: generic convolution method. Does not take advantage …
(edit) @2657   13 years Sam Hocevar * edd.c: output MSD instead of RMSD in the displacement computation.
(edit) @2656   13 years Sam Hocevar * Error diffusion methods now support either raster or serpentine scan.
(edit) @2655   13 years Sam Hocevar * pixels.c: support more conversion combinations.
(edit) @2654   13 years Sam Hocevar * ostromoukhov.c: Ostromoukhov's simple error diffusion algorithm.
(edit) @2653   13 years Sam Hocevar * floydsteinberg.c: perform Floyd-Steinberg dithering on a serpentine path.
(edit) @2652   13 years Sam Hocevar * dither.c: add an example program for dithering methods.
(edit) @2651   13 years Sam Hocevar * dbs.c: new dithering function: Direct Binary Search. One of the best …
(edit) @2650   13 years Sam Hocevar * measure.c: there is now pipi_measure_msd in addition to …
(edit) @2647   13 years Sam Hocevar * edd.c: output E_fast as well.
(edit) @2644   13 years Sam Hocevar * edd.c: example program that computes the Floyd-Steinberg …
(edit) @2643   13 years Sam Hocevar * blur.c: adapt the kernel size to large values of dx and/or dy. * …
(edit) @2637   13 years Sam Hocevar * Add Floyd-Steinberg grayscale dithering.
(edit) @2636   13 years Sam Hocevar * pixels.c: fix a typo in the dithering method that could cause crashes.
(edit) @2635   13 years Sam Hocevar * measure.c: started writing error/measure functions. First one is RMSD.
(edit) @2634   13 years Sam Hocevar * blur.c: support for greyscale images.
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