imagemagick

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imagemagick: create a .png file which is just a solid rectangle

I want to create a .png file whi开发者_JS百科ch is just a solid color. This must be easy to do using ImageMagick but I can\'t figure out the problem:[详细]

2023-04-13 07:01 分类：问答
How can i get the name of resulting converted images from a pdf using php imagemagick?

开发者_Go百科Im converting some pdfs to pngs wth exec(\"convert readme.pdf readme.png\") And then i need to store in a mysql database the resulting image filenames from any given pdf.[详细]

2023-04-13 06:42 分类：问答
Rails - WIndows 7 carrierwave, minimagick resize not working

I tried to set up for uploading photos with my rails app.However, the carrierwave uploader does not resize the photos being uploaded.When I do not call the resize_to_fill function, the photos are uplo[详细]

2023-04-13 01:14 分类：问答
Negative Multiply with imagemagick?

Does anyone know if it\'s possible to do the Photoshop layer composite mode \"negative multiply\"? Multiply is possible, but i need the negative way.[详细]

2023-04-12 18:04 分类：问答
ImageMagick convert SVG to PNG eats rightmost and bottommost pixels

Upon converting an SVG file to PNG with ImageMagick (I\'m using 6.3.7), it seems like the line of pixels at the right and at the bottom开发者_如何学JAVA are lost in the conversion.[详细]

2023-04-12 11:23 分类：问答
RMagick remove white background from image and make it transparent

I need to remove the white background from this image and make the background transparent. So it\'s just a black tick on the transparent background exported as a 开发者_开发问答png.[详细]

2023-04-12 05:53 分类：问答
ImageMagick C++ API Output 16-bit grayscale png?

I\'m linking to 开发者_JAVA百科ImageMagick via the Magick++ API. I\'m attempting to take uint16 data and output it as a 1024x768 1-channel 16-bit grayscale PNG. The output I get from the following is[详细]

2023-04-12 01:31 分类：问答
Undefined symbols for architecture x86_64

I am trying to use imagemagick in Xcode, and I am getting this error : Ld /Users/sarashafaei/Library/Developer/Xcode/DerivedData/test4-bwkmkpnssqhpxgfntgtgkmzrcskr/Build/Products/Debug/test4 normal x[详细]

2023-04-11 18:29 分类：问答
Calculating new image size using an imagemagick's format string and a width/height

In web apps, it\'s good practice to use the width and height attributes for img tags -- this allows the browser to render the page faster.[详细]

2023-04-11 03:51 分类：问答
Getting pixel color with Magick++?

I\'ve already asked this question, but that was about FreeImage. Now I\'m trying to do the same thing with ImageMagick (to be more correct, with Magick++).开发者_C百科[详细]

2023-04-11 01:05 分类：问答