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inImageMagick/Usage (press backspace or delete to remove)https://usage.imagemagick.org/canvas/#gradient
seem to have one minor issue: magick -size 100x100 gradient:blue gradient_range1.jpg produces gradient blue to black,
not blue to white as https://usage.imagemagick.org/canvas/gradient_range1.jpg ...
pgajdos
- Opened on Jan 27
- #11
An example taken from https://usage.imagemagick.org/canvas/
magick -size 24x24 xc: -draw rectangle 3,11 20,12 tile_line.gif
magick tile_line.gif -gravity center \( +clone -rotate 0 -crop 24x18+0+0 -write ...
pgajdos
- 3
- Opened on Jan 15
- #10
magick ../test.png -gamma -1,-1,0 -alpha off yellow_gamma.png
taken from https://usage.imagemagick.org/canvas/ does not produce all-yellow image, but rather all-white one.
Or
magick ../test.png -channel ...
pgajdos
- 4
- Opened on Jan 15
- #9
The result of
magick test.png -gamma 0 -alpha off black_gamma.png
does not produce all-black image as described in https://usage.imagemagick.org/canvas/, but:
black_gamma
This is similar to https://github.com/ImageMagick/ImageMagick/issues/1151 ...
pgajdos
- 4
- Opened on Jan 15
- #8
magick -size 100x100 xc:none -draw polygon 30,10 10,80 90,90 \
-colorspace RGB \
-sparse-color Barycentric 30,10 red 10,80 blue 90,90 lime \
-colorspace sRGB sparse_bary_triangle_2.png ...
pgajdos
- 12
- Opened on Jan 15
- #7
ImageMagick version
7.1.1.39
Operating system
MacOS
Operating system, version and so on
Ventura
Description
At https://usage.imagemagick.org/compose, it list a method for Duff-Porter composition ...
fmw42
- 5
- Opened on Oct 28, 2024
- #6
At https://www.imagemagick.org/Usage/masking, in the Controlling Image Transparency section there s text:
There are two operators that give you low-level control of the transparency channel of an image ...
lkintact
- 2
- Opened on Oct 20, 2024
- #3
As far as I understand, the latest IM version is 7.1.1-39, so the versions on these pages are specified incorrectly:
- On https://usage.imagemagick.org/masking/:
1. The -alpha Remove method (added ...
lkintact
- 4
- Opened on Oct 20, 2024
- #4
At https://www.imagemagick.org/Usage/canvas/, starting with the text gradient:angle=angle (in degrees) the fontsize is
smaller than above. That happens because of a font-size:smaller !important; inline ...
lkintact
- 3
- Opened on Oct 20, 2024
- #5
The entire imagemagick.org/Usage section badly needs a spelling/grammar check.
exekutive
- 1
- Opened on Jun 20, 2024
- #1

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