source: libpipi/trunk/pipi

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(edit) @2753   14 years Sam Hocevar * rgb.c: implement pipi_rgb(), to combine three RGB channels.
(edit) @2752   14 years Sam Hocevar * pipi.c: implement --roll, RPL-style.
(edit) @2751   14 years Sam Hocevar * atkinson.c: implement Atkinson dithering.
(edit) @2750   14 years Sam Hocevar * transform.c: implement pipi_rotate90, pipi_rotate180 and pipi_rotate270.
(edit) @2749   14 years Sam Hocevar * Implement pipi_vflip() and pipi_hflip().
(edit) @2748   14 years Sam Hocevar * median.c: oops, removed old debugging hack from pipi_median().
(edit) @2747   14 years Sam Hocevar * color.c: implement pipi_threshold().
(edit) @2746   14 years Sam Hocevar * Add pipi_dilate() / pipi_erode() and --dilate / --erode.
(edit) @2745   14 years Sam Hocevar * median.c: fix the RGBA median filter.
(edit) @2744   14 years Sam Hocevar * median.c: add a median filter. Highly unoptimised for now.
(edit) @2743   14 years Sam Hocevar * blur.c: proper box blur implementation that runs linearly with …
(edit) @2742   14 years Sam Hocevar * Add --boxblur to the pipi command line.
(edit) @2741   14 years Sam Hocevar * convolution_template.h: disambiguate parentheses.
(edit) @2737   14 years Sam Hocevar * blur.c: improve the Gaussian kernel interpolation.
(edit) @2736   14 years Sam Hocevar * Move the palette reduction algorithm into pipi_reduce().
(edit) @2728   14 years Sam Hocevar * pixels.c: fix uninitialised w and h in pipi_getpixels.
(edit) @2727   14 years Sam Hocevar * stock.c: the random stock image now creates RGB noise.
(edit) @2725   14 years Sam Hocevar * color.c: implement pipi_brightness() and pipi_contrast(). * …
(edit) @2722   14 years Jean-Yves Lamoureux * Added string.h to list of included files, for memcpy()
(edit) @2721   14 years Jean-Yves Lamoureux * Removed pipi/fill directory (I thought I had done this before. Hurra …
(edit) @2719   14 years Sam Hocevar * blur.c: improve the Gaussian kernel generation by interpolating its …
(edit) @2718   14 years Sam Hocevar * Add pipi_invert() to invert an image's colours.
(edit) @2717   14 years Sam Hocevar * Add pipi_tile, to create image mosaics.
(edit) @2716   14 years Sam Hocevar * Add the --scale flag. Resizes the image like --geometry, except with …
(edit) @2715   14 years Sam Hocevar * blur.c: add an argument to the gaussian convolution to specify an …
(edit) @2713   14 years Sam Hocevar * Allow pipi --blur to specify both the X and Y Gaussian sizes. Now we …
(edit) @2712   14 years Sam Hocevar * pipi.c: add the --geometry flag (only wxh for now).
(edit) @2711   14 years Sam Hocevar * Implement difference, multiply, divide, screen and overlay blend methods.
(edit) @2710   14 years Sam Hocevar * convolution.c: move local function prototypes to convolution_template.h.
(edit) @2709   14 years Sam Hocevar * context.c: add the "swap" command to swap two images in the stack.
(edit) @2708   14 years Sam Hocevar * subadd.c: add pipi_sub() and pipi_add() as another way to combine …
(edit) @2707   14 years Sam Hocevar * stock.c: allow arbitrary sizes for the bayer stock image, even if …
(edit) @2706   14 years Sam Hocevar * minmax.c: add pipi_min() and pipi_max() as another way to combine …
(edit) @2705   14 years Sam Hocevar * mean.c: implement pipi_mean() to compute a mean image.
(edit) @2704   14 years Sam Hocevar * Support --autocontrast in pipi.
(edit) @2703   14 years Sam Hocevar * convolution.c: support for wrap-around in convolutions. * pipi.c: …
(edit) @2702   14 years Sam Hocevar * pipi.c: implement the "--gray" flag for grayscale conversion.
(edit) @2701   14 years Sam Hocevar * convolution_template.h: split convolution routines into separate …
(edit) @2700   14 years Sam Hocevar * jajuni.c: add Jarvis-Judice-Ninke dithering. It's a …
(edit) @2699   14 years Sam Hocevar * floydsteinberg.c: minor optimisation in the FStein error propagation.
(edit) @2698   14 years Sam Hocevar * context.c: fix an old bug that was incorrectly rounding down blur values.
(edit) @2697   14 years Sam Hocevar * stock.c: generate images with random noise.
(edit) @2696   14 years Sam Hocevar * pipi_dither_ordered() now takes two arguments; any image can be used …
(edit) @2695   14 years Sam Hocevar * codec.c: support for stock images in pipi_load(). * stock.c: start …
(edit) @2694   14 years Sam Hocevar * context.c: implement various dithering commands and Gaussian blur. …
(edit) @2692   14 years Sam Hocevar * Add functions that handle a stack-based processing queue.
(edit) @2684   14 years Sam Hocevar * convolution.c: fix a small memory leak in the convolution filter.
(edit) @2681   14 years Sam Hocevar * blur.c: implement box blur; currently runs in O(n) but we could make …
(edit) @2680   14 years Sam Hocevar * autocontrast.c: simple autocontrast filter; does not work very well.
(edit) @2679   14 years Sam Hocevar * Get rid of test.c, it was no longer useful anyway.
(edit) @2678   14 years Jean-Yves Lamoureux * Handle alpha layer in floodfill (but don't make it conditionnal to …
(edit) @2676   14 years Jean-Yves Lamoureux * First shot of a floodfiller (both u32 and float, 4 neighbours)
(edit) @2672   14 years Sam Hocevar * dbs.c: generate the initial halftone using random dithering instead …
(edit) @2671   14 years Sam Hocevar * random.c: implement random dithering using a deterministic pseudo-RNG.
(edit) @2670   14 years Sam Hocevar * Dithering algorithms no longer modify the original image.
(edit) @2669   14 years Sam Hocevar * pipi.c: fix a memory leak caused by empty picture having …
(edit) @2668   14 years Sam Hocevar * pipi.c: implement pipi_copy().
(edit) @2667   14 years Sam Hocevar * pixels.c: store byte length and bits-per-pixel value in the …
(edit) @2666   14 years Sam Hocevar * Prefix dithering functions with _dither_ to avoid namespace cluttering.
(edit) @2665   14 years Sam Hocevar * ordered.c: implement Bayer dithering (pretty trivial).
(edit) @2664   14 years Sam Hocevar * dbs.c: optimise DBS by ignoring 16x16 cells that had no pixel …
(edit) @2663   14 years Sam Hocevar * dbs.c: improve the DBS human visual system kernel by adding two …
(edit) @2661   14 years Sam Hocevar * blur.c: remove the blurring code and use our generic convolution …
(edit) @2660   14 years Sam Hocevar * convolution.c: automatically detect when a convolution filter is …
(edit) @2658   14 years Sam Hocevar * convolution.c: generic convolution method. Does not take advantage …
(edit) @2656   14 years Sam Hocevar * Error diffusion methods now support either raster or serpentine scan.
(edit) @2655   14 years Sam Hocevar * pixels.c: support more conversion combinations.
(edit) @2654   14 years Sam Hocevar * ostromoukhov.c: Ostromoukhov's simple error diffusion algorithm.
(edit) @2653   14 years Sam Hocevar * floydsteinberg.c: perform Floyd-Steinberg dithering on a serpentine path.
(edit) @2651   14 years Sam Hocevar * dbs.c: new dithering function: Direct Binary Search. One of the best …
(edit) @2650   14 years Sam Hocevar * measure.c: there is now pipi_measure_msd in addition to …
(edit) @2643   14 years Sam Hocevar * blur.c: adapt the kernel size to large values of dx and/or dy. * …
(edit) @2637   14 years Sam Hocevar * Add Floyd-Steinberg grayscale dithering.
(edit) @2636   14 years Sam Hocevar * pixels.c: fix a typo in the dithering method that could cause crashes.
(edit) @2635   14 years Sam Hocevar * measure.c: started writing error/measure functions. First one is RMSD.
(edit) @2634   14 years Sam Hocevar * blur.c: support for greyscale images.
(edit) @2633   14 years Sam Hocevar * pixels.c: start supporting grayscale images.
(edit) @2632   14 years Sam Hocevar * codec.c: bump Imlib2 and OpenCV priorities over SDL.
(edit) @2631   14 years Sam Hocevar * opencv.c: bring the OpenCV codec up to date.
(edit) @2630   14 years Sam Hocevar * pixels.c: add support for 24-bpp BGR format.
(edit) @2629   14 years Sam Hocevar * pipi.c: reimplement pipi_new() without relying on the underlying …
(edit) @2628   14 years Sam Hocevar * configure.ac: fix the OpenCV detection by using pkg-config.
(edit) @2620   14 years Sam Hocevar * pixels.c: clamp pixels in the float32 -> rgba32 conversion to avoid …
(edit) @2619   14 years Sam Hocevar * filter/blur.c: avoid annoying side effects with very small or …
(edit) @2618   14 years Sam Hocevar * filter/blur.c: minor optimisation in the kernel generation.
(edit) @2617   14 years Sam Hocevar * blur.c: support for variable blur radius and Gaussian offset.
(edit) @2616   14 years Sam Hocevar * pixels.c: add Floyd-Steinberg dithering to the float32 -> rgba32 …
(edit) @2609   15 years Sam Hocevar * pixels.c: speed up the RGBA32 -> float32 conversion, using a simple LUT.
(edit) @2608   15 years Sam Hocevar * blur.c: separated blur; it's now incredibly faster.
(edit) @2607   15 years Sam Hocevar * Free surfaces allocated by pipi_getpixels() in pipi_free().
(edit) @2606   15 years Sam Hocevar * blur.c: fix overflow errors.
(edit) @2605   15 years Sam Hocevar * Big API reorganisation. Now libpipi can transparently convert …
(edit) @2603   15 years Sam Hocevar * Test implementation of Gaussian blurring. It's awfully slow and does …
(edit) @2602   15 years Sam Hocevar * pixels.c: do not return a white pixel when calling getpixel() …
(edit) @2600   15 years Sam Hocevar * Typo.
(edit) @2263   15 years Sam Hocevar * Implemented 24 -> 16 bpp dithering. * Added the --bpp flag to …
(edit) @2262   15 years Sam Hocevar * Checking in an old Rubik's cube dithering test.
(edit) @2261   15 years Sam Hocevar * Split the image loaders into sdl.c, imlib.c and opencv.c. We'll do …
(edit) @2260   15 years Sam Hocevar * getpixel/setpixel functions use doubles instead of ints for now.
(edit) @2247   15 years Sam Hocevar * Resizing in libpipi is now gamma-aware.
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