I was looking in MagickCore::CompositeOperator but i didn’t find flatten operator. Something like backgorund i found, but how to do gray50?. That’s what “-flatten” does. It takes a sequence of images, composes them one at a time against the previous image(s), taking transparency into account. As nick said, the function Imagick::flattenImages() is deprecated. Replacing it by Imagick::mergeImageLayers(Imagick::LAYERMETHOD_FLATTEN) partially.

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See —geometry for details the geometry specification. I found these 2 method via Google, in this thread titled: Enclose the color specification in quotation marks to prevent the ” ” or the parentheses from being interpreted by your shell. The above imagenagick be a lot simplier using the IMv7 “magick” command, which would allow you to use ‘fx calculations’ directly the argument to ” -shadow “, that would let you not only calculate a larger offset for the shadow with depth, but also let you mak ethe shadow more blurry with depth.

If they are not of the same width, any narrow images will be expanded to fit using the background color. The source is added to the destination and replaces the destination. The default is 1.

Give one, two or three values delimited with commas: Resource limits may also be set using environment variables. And that is the point of image layering.

To resize the image so that it is the same size at a different resolution, use the —resample option. Using Flatten for adding generated Shadow Images is not recommended, as generated shadow images can have negative image offsets. The default filter is automatically selected to provide the best quality while consuming a reasonable amount of time.


Normally, this integer value is zero or one. Paths See Paths represent an outline of an object which is defined in terms of moveto set a new current pointlineto draw a straight linecurveto draw a curve using a cubic Bezierarc elliptical or circular arc and closepath close the current shape by drawing a line to the last moveto elements.

The default is to use the estimate quality of your input image otherwise Thus the ” -mosaic ” option can be regarded as a short cut for the ” -layers ” method of the same name. Use this option to assign a specific title to the image. The resultant color is always at least as dark as either of the two constituent colors.

For example, to prevent a JPEG from being written in grayscale format even though only gray pixels are present, use. When used as an option to montage—gravity gives the direction that an image gravitates within a tile. The point method recolors the target pixel.

Sign up or log in Sign up using Google. PSD images generally contain both a flattened version of the image and all its layers. The X server must support the visual you choose, otherwise an error occurs. In theese case the conversion process only generates blank output But when I optimize the pdf files in acrobat professional the problem is solved To skip this step in acrobat professional I was wondering if there was a way to use imagemagick to flatten transparency?

Similarly, using —type TrueColorMatte will force the encoder to write an alpha channel even though the image is opaque, if the output format supports transparency. Small correction to Jairu5’s code: Use Ellipse to draw a partial ellipse centered at the given point with the x-axis and y-axis radius and start and end of arc in degrees e.


The replace method changes the matte value of any pixel that matches the color of the target pixel. Do not do this with a lossy image format like “JPEG” as the format errors are accumulative, and the base image will quickly degrade. See Geometry vs Page Offsets for more details. The basic strategy of dithering is to trade intensity resolution for spatial resolution by averaging the intensities of several neighboring pixels.

However, if the image is x, it is rotated by degrees. If —colors is also specified, the total unique colors in the image and color reduction error values are printed.

Each image in the range is read with the filename followed by a period. Glenn Randers-Pehrson 8, 2 25 And removing -flatten, gives the correct PDF rendition for all the pages.

Flatten transparency – ImageMagick

Coordinates are integers separated by an optional comma. Home Questions Tags Users Unanswered.

If the —morph option appears after all of the input imagemagjck, all images are morphed. Better quality than GIMP on the second — thanks!


By default the file is written to its original name. This situation will probably be fixed in some future expansion of the operation. Suppose that while you are displaying an image the file that is currently displayed is over-written. Only the text primitive is affected by the —gravity option.