imagemagick

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Add paperclip new style doesn't affect old uploaded images

I have Company model with logo image has_attached_file :logo I h开发者_StackOverflow中文版ave created many companies with their logos.[详细]

2023-04-08 04:03 分类：问答
How do you use ImageMagick in Perl?

I\'m trying to get the command line equivalent of \"identify image.png\" to work in Perl. How do you go about doing this?[详细]

2023-04-07 19:15 分类：问答
ImageMagick compare not returning anything to php shell_exec()

I want to compare two images using Image Magick. For this I am using following command in windows command prompt[详细]

2023-04-07 17:50 分类：问答
libmagick equivalent of TIFFReadRGBAImage

High. I was trying to find a well written API documentation for libmagick[++] to get a raster memory block for RGB[A] image data. Something 开发者_JAVA百科equivalent to this guide or at least well doc[详细]

2023-04-07 16:49 分类：问答
image magick center on canvas and color

I am running a script to crop an image,, set the correct dpi and resize it slightly smaller.. this first command works perfectly[详细]

2023-04-07 16:46 分类：问答
Validate image size in carrierwave uploader

All uploads s开发者_开发百科hould be at least 150x150 pixels. How to validate it with Carrierwave?Why not to use MiniMagick?Modified DelPiero\'s answer:[详细]

2023-04-07 15:15 分类：问答
Imagemagick page count function with PDF version 1.5 onwards - PHP

I am running Apache/2.2.17 (Win32) PHP/5.3.0 in my Windows Vista PC. I have imagemagick configured. I have a php function to count pages in a PDF file as follows;[详细]

2023-04-06 09:21 分类：问答
iPhone ImageMagick Library - converting from batch file script to Objective-C using MagickWand API

I\'ve decided to use the following ImageMagick library for iPhone development: https://github.com/marforic/imagemagick_lib_iphone[详细]

2023-04-05 20:48 分类：问答
ImageMagick's display GPU "memory leak"?

I\'m testing CUDA app and I have run into strange memory issue: My program performs some image operations and displays it using ImageMagick\'s display program.[详细]

2023-04-05 19:56 分类：问答
ImageMagick/Perl sorting images by Pixel width/height

Hi I am having trouble finding any info on how to list images by pixel width or height with Image Magick. what I want to do is filter out images that are less than a specified size of pixel width or h[详细]

2023-04-05 17:25 分类：问答