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imágenes mágicas | imagemagick


AUTHOR: Osiris Alejandro Gomez

EMAIL: osiux@osiux.com

DATE: 2010-05-10 15:30


Descripción breve


Resolución a problemas comunes en la manipulación de imágenes mediante la generación de [scripts]{.underline} usando `imagemagick` y otras utilidades.


Crear Imagen


convert -size 1920x1080 xc:green img/green.png

[IMG]

[1]


identify


identify img/green.png


img/green.png PNG 1920x1080 1920x1080+0+0 8-bit PseudoClass 1c 252B 0.000u 0:00.000

Creative Commons


convert img/green.png -fill yellow \
-font ~/.fonts/cc-icons.ttf \
-pointsize 32 -gravity SouthEast \
-annotate 0 'cba ' \
img/green-cc-by.jpg

[IMG]

[2]


gradient


convert -size 1920x1080 gradient:none-gray img/gradient.png

[IMG]

[3]


dark


composite -compose colorburn img/gradient.png \
  img/green-cc-by.jpg img/dark-green.jpg

[IMG]

[4]


font


convert img/dark-green.jpg -fill yellow \
-font /usr/share/fonts/truetype/inconsolata/Inconsolata.otf \
-pointsize 32 -gravity SouthEast \
-annotate 0 'OSiUX.com        ' \
img/green-font.jpg

[IMG]

[5]


dither + colorspace


convert img/osiux-color.jpg +dither -colors 2 -colorspace gray -contrast-stretch 0 img/osiux-gray-2.jpg
convert img/osiux-color.jpg +dither -colors 4 -colorspace gray -contrast-stretch 0 img/osiux-gray-4.jpg
convert img/osiux-color.jpg +dither -colors 8 -colorspace gray -contrast-stretch 0 img/osiux-gray-8.jpg
convert -append img/osiux-gray-2.jpg img/osiux-gray-4.jpg img/osiux-gray-8.jpg img/osiux-gray.jpg

[IMG]

[6]


edge


convert img/osiux-color.jpg -colorspace Gray -edge 1 img/osiux-edge-1.jpg
convert img/osiux-color.jpg -colorspace Gray -edge 2 img/osiux-edge-2.jpg
convert img/osiux-color.jpg -colorspace Gray -edge 3 img/osiux-edge-3.jpg
convert -append img/osiux-edge-1.jpg img/osiux-edge-2.jpg img/osiux-edge-3.jpg img/osiux-edge.jpg

[IMG]

[7]


edge + Negate


convert img/osiux-color.jpg -colorspace Gray -edge 1 -negate img/osiux-edge-negate-1.jpg
convert img/osiux-color.jpg -colorspace Gray -edge 2 -negate img/osiux-edge-negate-2.jpg
convert img/osiux-color.jpg -colorspace Gray -edge 3 -negate img/osiux-edge-negate-3.jpg
convert -append img/osiux-edge-negate-1.jpg img/osiux-edge-negate-2.jpg img/osiux-edge-negate-3.jpg img/osiux-edge-negate.jpg

[IMG]

[8]


edge + negate + blur


for i in {1..3};do convert img/osiux-edge-negate-$i.jpg -blur 0x1 img/osiux-edge-negate-blur-$i.jpg;done
convert -append img/osiux-edge-negate-blur-1.jpg img/osiux-edge-negate-blur-2.jpg img/osiux-edge-negate-blur-3.jpg img/osiux-edge-negate-blur.jpg

[IMG]

[9]


charcoal (edge + negate + blur)


for i in {1..3};do convert img/osiux-color.jpg -charcoal $i img/osiux-charcoal-$i.jpg;done
convert -append img/osiux-charcoal-1.jpg img/osiux-charcoal-2.jpg img/osiux-charcoal-3.jpg img/osiux-charcoal.jpg

[IMG]

[10]


append


convert +append img/osiux-gray.jpg img/osiux-edge.jpg img/osiux-edge-negate.jpg img/osiux-charcoal.jpg img/osiux-edge-negate-blur.jpg img/osiux-5x3.jpg
composite -compose colorburn -gravity Center img/osiux-5x3.jpg img/green-font.jpg img/osiux-image-magick.jpg

[IMG]

[11]


1: file:img/green.png

2: file:img/green-cc-by.jpg

3: file:img/gradient.png

4: file:img/dark-green.jpg

5: file:img/green-font.jpg

6: file:img/osiux-gray.jpg

7: file:img/osiux-edge.jpg

8: file:img/osiux-edge-negate.jpg

9: file:img/osiux-edge-negate-blur.jpg

10: file:img/osiux-charcoal.jpg

11: file:img/osiux-image-magick.jpg

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