0eb36a6225
Support C99 types on Win32 through the same hacks as in libcaca.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2902 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
3f9fafa651
pipi.c: add pipi_get_version().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2865 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
d5432bccff
Hide the list of available commands in pipi/context.c, so that the
pipi source code doesn't need to know about them.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2857 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
59e4d8ccd6
Add a --gamma command to modify the global gamma value. This is a nasty
hack that will hopefully disappear in the future. The default gamma is
now 2.2 again (sRGB approximation).
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2846 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
36438eed8f
Fix headers.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2844 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
6fc2b78f37
Allow to use all available image loaders instead of just the first one.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2837 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
4a41d81ee6
* Moved accessors to their own file, and added a pipi_get_format_name()
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2814 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
bd54059e60
* Add a scale parameter to pipi_dither_ordered_ext().
* Reimplement pipi_dither_halftone() using pipi_dither_ordered_ext().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2812 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
4fefa85cd9
* ordered.c: allow to rotate the dither pattern, using nearest-neighbour
rotation interpolation.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2811 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
3553851ad5
* Preliminary support for a string to color routine (rgb(), argb() frgb(), fargb()) as well as named colors
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2810 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
756cc89890
* Preliminary image histogram routines and example
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2809 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
3dba2d0198
* Add pipi_order, to transform any image into an ordered dithering matrix.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2790 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
306ec17156
* Added a bezier curve primitive (2 control points).
* Fixed a float overflow in antialiased lines (this algorithm is a mess, and I need to rewrite it)
* Wrote a bunch of craderies degueulasses to avoid having y1 already defined in math.h
* Did I say this antialiased line implementation sucks ?
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2788 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
0a06b0af5f
* Moved *line_template.c to .h files to avoid problems with autotools (sam)
* Added antialiasing support to polylines
* Ho, and previous commit (r2777) contains width/height/pitch accessors to pipi_image_t, too. LOL.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2778 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
b67fde0e94
* Added Wu-Xaolin antialiased lines (Still lacks RGBA32 transparency code, with a fallback to float for now)
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2777 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
971efb124e
* Added simple Bresenham line drawing routines (RGBA_32, RGBA_F, Y_F)
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2776 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
23bd005f9c
* pipi.h: add the PIPI_PIXELS_MASK_C pixel format for canvas boundaries.
* pipi.h: rename RGBA32 and BGR24 into RGBA_C and BGR_C.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2772 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
ac072123b4
* screen.c: add pipi_render_halftone() to create a 45-degree clustered dot
halftoning pattern.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2767 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
6e0afb6f37
* Put the random and Bayer stock image generation into pipi/render/*.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2765 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
645169e3b1
* Add the "halftone" dithering method, which uses classical halftone (aka.
clustered ordered dither). Halftoning levels aren't terribly well
supported yet, though.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2761 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
44c9b8e15d
* Get rid of the specific error diffusion functions, since our stock kernels
work perfectly well.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2759 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
90c7527281
* Add pipi_dither_ediff(), a generic error diffusion dithering algorithm
that uses an image as the error diffusion kernel.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2758 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
6433a59c97
* rgb.c: implement pipi_red(), pipi_green() and pipi_blue() to extract
separate channels.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2754 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
e38943a327
* rgb.c: implement pipi_rgb(), to combine three RGB channels.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2753 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
b40fc1b330
* atkinson.c: implement Atkinson dithering.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2751 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
36fb60cacf
* transform.c: implement pipi_rotate90, pipi_rotate180 and pipi_rotate270.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2750 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
2da45f954b
* Implement pipi_vflip() and pipi_hflip().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2749 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
0cab178432
* color.c: implement pipi_threshold().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2747 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
31fec9b526
* Add pipi_dilate() / pipi_erode() and --dilate / --erode.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2746 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
d9f3b654bc
* median.c: add a median filter. Highly unoptimised for now.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2744 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
baa3d82e4b
* Move the palette reduction algorithm into pipi_reduce().
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2736 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
e50ce5c67a
* color.c: implement pipi_brightness() and pipi_contrast().
* pipi.c: add --brightness and --contrast.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2725 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
22b3af001b
* Added string.h to list of included files, for memcpy()
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2722 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
18e1cc4471
* Add pipi_invert() to invert an image's colours.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2718 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
48b881b6fa
* Add pipi_tile, to create image mosaics.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2717 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
97930521fc
* blur.c: add an argument to the gaussian convolution to specify an angle.
Of course since the kernel is no longer separable, it becomes awfully
slow with large images. Here is a tileable brushed metal texture:
# pipi pipi:random512x512 --wrap --blur 20x0r25 -o image.png
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2715 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
b74fad466b
* Implement difference, multiply, divide, screen and overlay blend methods.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2711 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
da84205cde
* subadd.c: add pipi_sub() and pipi_add() as another way to combine two
images.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2708 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
6fb5354eff
* minmax.c: add pipi_min() and pipi_max() as another way to combine two
images.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2706 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
9bd6b555f9
* mean.c: implement pipi_mean() to compute a mean image.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2705 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
25cdf35a86
* jajuni.c: add Jarvis-Judice-Ninke dithering. It's a Floyd-Steinberg-like
error diffusion method that has fewer high resolution structural artifacts
at the expense of resolution.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2700 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
eb9a270380
* pipi_dither_ordered() now takes two arguments; any image can be used as
the ordered dithering matrix. To get the old behaviour, use:
pipi image.png pipi:bayer8 --dither ordered out.png
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2696 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
3014994c61
* codec.c: support for stock images in pipi_load().
* stock.c: start working on stock image generation; for instance:
pipi pipi:bayer64 -o image.png
will generate a 64x64 Bayer dithering pattern and save it to image.png.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2695 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
0f3943d0fe
* Add functions that handle a stack-based processing queue.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2692 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
77ec441434
* blur.c: implement box blur; currently runs in O(n) but we could make it
O(1) trivially.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2681 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
b7c2d1f847
* autocontrast.c: simple autocontrast filter; does not work very well.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2680 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
c269c219b2
* Get rid of test.c, it was no longer useful anyway.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2679 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
baa61a9f6d
* Handle alpha layer in floodfill (but don't make it conditionnal to the algorithm)
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2678 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
290e151913
* First shot of a floodfiller (both u32 and float, 4 neighbours)
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2676 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
0eda956bfc
* random.c: implement random dithering using a deterministic pseudo-RNG.
git-svn-id: file:///srv/caca.zoy.org/var/lib/svn/libpipi/trunk@2671 92316355-f0b4-4df1-b90c-862c8a59935f
16 роки тому
sam
jylam