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Note IM transform distorting Affine Matrix Transforms ...

Image
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http://www.imagemagick.org/Usage/distorts/
http://www.imagemagick.org/Usage/distorts/affine/

There are some cool and complex stuff to read about IM transforms. This make take time to understand and do practices.
There are some medium to complex Algebra to study, but after all, our love for mathematics never change.
As JK has been said: "Love never change".

php imagick rotateImage vs distortImage

rotate an image ie. 185x226 then the result image will have bigger dimension or size (resolution)
because of  when image rotation clockwise or counter clock wise, the outer rectangle that bound rotated image is bigger.
Because of our image is stored in rectangle form, so to put original image inside a bigger rectangle is required in order to make it shear...

[img here] ruta face

http://phpimagick.com/Imagick/distortImage?imagePath=Lorikeet&distortion=3

convert koala.gif  -matte -virtual-pixel transparent \
          +distort ScaleRotateTranslate '.7,-110' +repage koala_srt_scale.png

convert -page +810+399  dzn_64percent_rt-19p4.png  -page +0+0 frame_1311.png -layers merge  +repage frame_1311_rslt.png

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