Php uses Image Magick to convert a PDF file to a JPG file
This is a very simple format conversion code. You can convert a. pdf file to a. JPG file. To make the Code take effect, you must install the Image Magick extension on the server.
1 2 3 4 5 6 7 8 9 10 11 12 13 14
$ Export _file = './pdf/demo
PDF is an electronic document format, what to do if the file you are working with IS in PDF format when you encounter a document that you want to convert to a picture?Generally for easy viewing, it is a picture that turns a document into a JPEG format. Relatively simple, can be converted to JPG via an online PDF. The online conversion operation is only a few steps, after you go to the
When you send a PDF file to others to view, if you want to be able to view on any device, and do not want to be easily modified by others, then you can convert the PDF file page into a picture, because but now whether it is mobile phone or computer can view the picture file, and view more convenient, It is also not possible to modify the contents.
Convert PDFs to JPG
The actual operation is very technical, but would like to show the Almighty Python. Although I am disgusted with the text encoding and whitespace alignment of Python, I have to say that its interface design is excellent, making complex work very simple, and this idea is reflected in the third-party extension.Turret legend uses the form of jpg+mask files to achieve the purpose of compressing resources. The compression ratio of
Preparatory work:
1 Download the PDF file on the network to the computer.
2 Download and install the Quick PDF conversion into a JPG converter.
Start conversion:
1 turn on the quick PDF to convert to a JPG converter (quick pdf to a word converter), select "File to img" Conversion mode in multiple conversion modes on the left side of the so
Common forms of maintenance of CAD drawings DWG files believe that many people are struggling with it, in the face of DWG file conversion is not unprepared to do it. That's right, because it requires professional software to convert DWG files. Let me explain how the DWG file is converted to a JPG file.
DWG file converted to JPG we need to use the Quick CAD ed
Here is one of the ways to convert the BMP format to JPG format:1. Package net.oschina.tester;2.3. Import Java.awt.Image;4. Import Java.awt.Toolkit;5. Import Java.awt.image.BufferedImage;6. Import Java.awt.image.MemoryImageSource;7. Import Java.io.FileInputStream;8. Import Java.io.FileOutputStream;9. Import Java.io.IOException;. import Com.sun.image.codec.jpeg.JPEGCodec;One. Import Com.sun.image.codec.jpeg.
Recently, a WPF client in CEB format is being downloaded. You need to download the CEB format from ftp, convert the CEB format to JPG format, and then display it on the webpage. The entire project is 100,000, because the company's CEB format software was bought by Beijing Big founder Apache, we called and wanted Beijing Big founder to help us with such a plug-in. However, we did not expect the price to be 1
This is a very simple format conversion code that can be put. The PDF file is converted to a. jpg file, the code will work, and the server must install the image Magick extension.
1 2 3 4 5 6 7 8 9 10 11 12 13-14
$pdf _file = './pdf/demo.pdf '; $save _to = './jpg/demo.jpg '; Make sure so Apache has permissions to write in this folder! (common problem)//execute ImageMagick command '
DecompressionPai_start_decompress ( Cinfo );
Jsamprow row_pointer [1];While (Cinfo. output_scanline {Row_pointer [0] = Data [(Cinfo. output_height-Cinfo. output_scanline-1) * Cinfo. image_width * Cinfo. num_components];Pai_read_scanlines ( Cinfo, row_pointer,1 );}Pai_finish_decompress ( Cinfo );6. release resourcesPai_destroy_decompress ( Cinfo );
Fclose (f );
Let's take a look at how to use ijg JPEG library to compress images. I hope it will be helpful to you. The sample code has implemented
,myencoderparameters);return true;}}
---------------------------------------------------------------
The easiest way to do this is to:Bitmap image = new Bitmap ("Your image Path.bmp");Image. Save ("New jpg file path", imageformat.jpg);
Note: Don't forget to introduce namespaces.
In addition, the compression rate of JPG relative to the same size of the content of BMP is also different, in short, very large.
In fact, as long as the file format conversion AIDS is installed, JPG can be easily converted to PDF format. Today's small compilation and everyone to share: How to convert JPG to PDF format method big secret. If you need a friend, you should pay close attention to it.
Simple steps to convert
1, install ImageMagick(with the convert) and Gthumb
sudo apt-get install ImageMagick gthumb
2. Convert TIFF images to PNG or JPEG format, because the tools do not support the direct conversion of TIFF to PDF. My conversion method is a batch conversion with the conversion format of the tool , Gthumb, for this software, because convert does not support TIFF fo
How does PDF convert to JPG? can use the screenshot tool, should be very convenient! But when the picture size is too large, you can not display the entire picture on the screen, the picture scaling, is able to display the entire picture, but in accordance with the zoom picture to the screenshot, screenshots of the picture size is too small, so that the picture is lossy.
So are we not going to be able to e
The first step: Everyone needs to download and install the Quick PDF to convert to a JPG converter.
Fast PDF conversion to a JPG converter has eight large conversion mode, which "file transfer picture" mode can be implemented in PDF, Word, Excel, PPT and other documents converted into pictures, the converter unique high recognition rate can be the file content o
This article mainly introduces Python using Pythonmagick to convert JPG images to ICO images, involving Pythonmagick module operation picture skills, with a certain reference value, the need for friends can refer to the
This example describes how Python uses Pythonmagick to convert a JPG image to an ICO image. Share t
First, choose the conversion mode
First, select the picture to PDF conversion mode. Software currently supports eight conversion modes, including common file to Word, pictures to PDF, file conversion Excel, File transfer pictures, etc., click on the icon tick.
Second, import jpg format picture
Add jpg files, add JPG images to the software interface, at
method One: The JPG image is edited in Word or WPS, and then converted to PDF.
First step: Open Word or WPS, and then insert a picture in your document that you want to convert to a PDF document.
Step Two: Click on the icon in the upper left corner of the software interface, in the Drop-down menu, select "Save As", in the Right dialog box, select "Output to PDF format."
The disadvantage of this m
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.