Imagemagick: generate image with page size and resolution?

Maybe this will help you: studio.imagemagick.org/pipermail/magick-....

Thanks for the comment and the link! Based on that link, I tried convert xc:white -pointsize 72 -draw "text 25,60 'test'" -units PixelsPerInch -set density '%fx:w/8.27' -page A4 test. Png, which still generates 1x1 pixel image.

I guess, your link specifies what to do if you have an image with a given width in pixels, and you want to calc the corresponding resolution for an A4 page - but you still have to enter sizes (e.g. The 8.27 inches width) manually, which I'd like to avoid. Thanks again, cheers! – sdaau May 6 at 8:01.

I guess, the closest I could get to is this (ImageMagick 6.6.2-6): convert xc:white -page A4 myout. Pdf convert -density 300x300 myout. Pdf -pointsize 72 -draw "text 25,235 'test'" myout.

Png Note that: The first command generates proper page size only for pdf (but not for ps) convert cannot 'draw' in a vector file like pdf In the second command, arguments must be given in that order - so that the pdf is taken as a background with known size, on which the text is drawn. Btw, to obtain the pixel size at a given density of the pdf file: $ convert myout. Pdf -format "%fx:round(w)x%fx:h" info: 595x842 $ convert -density 300x300 myout.

Pdf -format "%fx:wx%fx:h" info: 2479x3508 I guess, this means that what I wanted to do is not possible in a single convert command line... Here is also a code that, in addition, utilizes a gradient: convert xc:white -page A4 myout. Pdf TSIZE=$(convert -density 300x300 myout. Pdf -format "%fx:wx%fx:h" info:) convert -density 300x300 -size $TSIZE myout.

Pdf gradient:\#4b4-\#bfb -pointsize 72 -draw "text 25,235 'test'" -flatten myout. Png Note that the image size, at the given density, must be retrieved in a separate step - as it is required for the gradient; also note the usage of -flatten (without it, multiple png files are generated). References: ImageMagick • View topic - How to create a white A4 rect/pdf page ImageMagick: Command-line Options: page Common Formats -- IM v6 Examples: A word about Vector Image formats ImageMagick • View topic - Using a formula for the value of -density ImageMagick: The Fx Special Effects Image Operator Canvas Creation -- IM v6 Examples: Gradients of Color.

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