On Sun, Dec 4, 2022 at 4:35 PM Kevin Kofler via devel <devel@xxxxxxxxxxxxxxxxxxxxxxx> wrote: > > Neal Gompa wrote: > > You can filter out things that use ImageMagick as a build dependency > > because that's just the command line utilities. That's why I checked > > only the ones that use the libraries, where the API changes and the > > required rebuilds are needed. > > How backwards-compatible is the CLI? Can there be things stopping to build > or to work at runtime because ImageMagick 7 convert does not understand some > option intended for ImageMagick 6 convert? > It's pretty compatible. Just by diffing "convert --help", it's mostly functional additions and some reorganization/rewording of descriptions. The only option missing is "convert -magnify", though curiously the code is still present in ImageMagick API. The command seems plumbed into the program in the source code too, so I'm confused why it's not documented. I've attached the diff of the program help too. -- 真実はいつも一つ！/ Always, there's only one truth!
--- convert6.txt 2022-12-04 16:51:43.547765023 -0500 +++ convert7.txt 2022-12-04 17:07:45.018411091 -0500 @@ -1,8 +1,9 @@ -Version: ImageMagick 6.9.12-67 Q16 x86_64 17519 https://legacy.imagemagick.org +Version: ImageMagick 7.1.0-52 Q16-HDRI x86_64 20549 https://imagemagick.org Copyright: (C) 1999 ImageMagick Studio LLC License: https://imagemagick.org/script/license.php -Features: Cipher DPC Modules OpenMP(4.5) -Delegates (built-in): bzlib cairo djvu fontconfig freetype gslib gvc jbig jng jp2 jpeg lcms lqr ltdl lzma openexr pangocairo png ps raqm raw rsvg tiff webp wmf x xml zlib +Features: Cipher DPC HDRI Modules OpenMP(4.5) +Delegates (built-in): bzlib cairo djvu fftw fontconfig freetype gslib gvc jbig jng jp2 jpeg jxl lcms lqr ltdl lzma openexr pangocairo png ps raqm raw rsvg tiff webp wmf x xml zip zlib +Compiler: gcc (12.2) Usage: convert [options ...] file [ [options ...] file ...] [options ...] file Image Settings: @@ -20,9 +21,9 @@ Image Settings: -blue-primary point chromaticity blue primary point -bordercolor color border color -caption string assign a caption to an image - -channel type apply option to select image channels + -clip clip along the first path from the 8BIM profile -clip-mask filename associate a clip mask with the image - -colors value preferred number of colors in the image + -clip-path id clip along a named path from the 8BIM profile -colorspace type alternate image colorspace -comment string annotate image with comment -compose operator set image composite operator @@ -39,6 +40,7 @@ Image Settings: -encoding type text encoding type -endian type endianness (MSB or LSB) of the image -family name render text with this font family + -features distance analyze image features (e.g. contrast, correlation) -fill color color to use when filling a graphic primitive -filter type use this filter when resizing an image -font name render text with this font @@ -46,7 +48,8 @@ Image Settings: -fuzz distance colors within this distance are considered equal -gravity type horizontal and vertical text placement -green-primary point chromaticity green primary point - -intensity method method to generate intensity value from pixel + -illuminant type reference illuminant + -intensity method method to generate an intensity value from a pixel -intent type type of rendering intent when managing the image color -interlace type type of image interlacing scheme -interline-spacing value @@ -58,7 +61,6 @@ Image Settings: -label string assign a label to an image -limit type value pixel cache resource limit -loop iterations add Netscape loop extension to your GIF animation - -mask filename associate a mask with the image -matte store matte channel if the image has one -mattecolor color frame color -moments report image moments @@ -71,6 +73,7 @@ Image Settings: -preview type image preview type -quality value JPEG/MIFF/PNG compression level -quiet suppress all warning messages + -read-mask filename associate a read mask with the image -red-primary point chromaticity red primary point -regard-warnings pay attention to warning messages -remap filename transform image colors to match this set of colors @@ -102,6 +105,7 @@ Image Settings: virtual pixel access method -weight type render text with this font weight -white-point point chromaticity white point + -write-mask filename associate a write mask with the image -word-break type sets whether line breaks appear wherever the text would otherwise overflow Image Operators: -adaptive-blur geometry @@ -117,7 +121,11 @@ Image Operators: -auto-gamma automagically adjust gamma level of image -auto-level automagically adjust color levels of image -auto-orient automagically orient (rotate) image + -auto-threshold method + automatically perform image thresholding -bench iterations measure performance + -bilateral-blur geometry + non-linear, edge-preserving, and noise-reducing smoothing filter -black-threshold value force all pixels below the threshold into black -blue-shift factor simulate a scene at nighttime in the moonlight @@ -128,18 +136,19 @@ Image Operators: improve brightness / contrast of the image -canny geometry detect edges in the image -cdl filename color correct with a color decision list + -channel mask set the image channel mask -charcoal radius simulate a charcoal drawing -chop geometry remove pixels from the image interior + -clahe geometry contrast limited adaptive histogram equalization -clamp keep pixel values in range (0-QuantumRange) - -clip clip along the first path from the 8BIM profile - -clip-path id clip along a named path from the 8BIM profile -colorize value colorize the image with the fill color -color-matrix matrix apply color correction to the image + -colors value preferred number of colors in the image -connected-components connectivity connected-components uniquely labeled -contrast enhance or reduce the image contrast -contrast-stretch geometry - improve contrast by `stretching' the intensity range + improve contrast by 'stretching' the intensity range -convolve coefficients apply a convolution kernel to the image -cycle amount cycle the image colormap @@ -147,7 +156,7 @@ Image Operators: -deskew threshold straighten an image -despeckle reduce the speckles within an image -distort method args - distort images according to given method ad args + distort images according to given method and args -draw string annotate the image with a graphic primitive -edge radius apply a filter to detect edges in the image -encipher filename convert plain pixels to cipher pixels @@ -158,7 +167,6 @@ Image Operators: evaluate an arithmetic, relational, or logical expression -extent geometry set the image size -extract geometry extract area from image - -features distance analyze image features (e.g. contrast, correlation) -fft implements the discrete Fourier transform (DFT) -flip flip image vertically -floodfill geometry color @@ -177,20 +185,21 @@ Image Operators: -identify identify the format and characteristics of the image -ift implements the inverse discrete Fourier transform (DFT) -implode amount implode image pixels about the center + -integral calculate the sum of values (pixel values) in the image -interpolative-resize geometry - resize image using 'point sampled' interpolation + resize image using interpolation + -kmeans geometry K means color reduction -kuwahara geometry edge preserving noise reduction filter -lat geometry local adaptive thresholding -level value adjust the level of image contrast -level-colors color,color level image with the given colors -linear-stretch geometry - improve contrast by `stretching with saturation' + improve contrast by 'stretching with saturation' -liquid-rescale geometry rescale image with seam-carving -local-contrast geometry enhance local contrast - -magnify double the size of the image with pixel art scaling -mean-shift geometry delineate arbitrarily shaped clusters in the image -median geometry apply a median filter to the image -mode geometry make each pixel the 'predominant color' of the @@ -201,7 +210,7 @@ Image Operators: apply a morphology method to the image -motion-blur geometry simulate motion blur - -negate replace every pixel with its complementary color + -negate replace every pixel with its complementary color -noise geometry add or reduce noise in an image -normalize transform image to span the full range of colors -opaque color change this color to the fill color @@ -216,10 +225,11 @@ Image Operators: -posterize levels reduce the image to a limited number of color levels -profile filename add, delete, or apply an image profile -quantize colorspace reduce colors in this colorspace - -radial-blur angle radial blur the image (deprecated use -rotational-blur -raise value lighten/darken image edges to create a 3-D effect -random-threshold low,high random threshold the image + -range-threshold values + perform either hard or soft thresholding within some range of values in an image -region geometry apply options to a portion of the image -render render vector graphics -resample geometry change the resolution of an image @@ -246,6 +256,7 @@ Image Operators: shadows -sketch geometry simulate a pencil sketch -solarize threshold negate all pixels above the threshold level + -sort-pixels sort each scanline in ascending order of intensity -sparse-color method args fill in a image based on a few color points -splice geometry splice the background color into the image @@ -271,9 +282,15 @@ Image Operators: -wave geometry alter an image along a sine wave -wavelet-denoise threshold removes noise from the image using a wavelet transform + -white-balance automagically adjust white balance of image -white-threshold value force all pixels above the threshold into white +Image Channel Operators: + -channel-fx expression + exchange, extract, or transfer one or more image channels + -separate separate an image channel into a grayscale image + Image Sequence Operators: -append append an image sequence -clut apply a color lookup table to the image @@ -298,7 +315,6 @@ Image Sequence Operators: terms (coefficients and degree pairs). -print string interpret string and print to console -process arguments process the image with a custom image filter - -separate separate an image channel into a grayscale image -smush geometry smush an image sequence together -write filename write images to this file @@ -320,7 +336,7 @@ Miscellaneous Options: -log format format of debugging information -version print version information -By default, the image format of `file' is determined by its magic +By default, the image format of 'file' is determined by its magic number. To specify a particular image format, precede the filename with an image format name and a colon (i.e. ps:image) or specify the image type as the filename suffix (i.e. image.ps). Specify 'file' as
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