Ma JianEmail:[email protected]Published: 2009.09.22Update:2012.06.11The relevant content has been updated for the new progress of Pdftoy.1 Introduction2 theory3 implementationConversion of 3.1 MRC model3.1.1 Single layer DjVu3.1.2 3 Floor DjVu3.1.3 2-Layer DjVu (color text)3.2 Conversion of images3.2.1 JB2 Turn JBig23.2.2 IW44 turn JPEG 20003.2.3 JPEG vs. CCITT G4 Conversion3.3 Conversion of hidden text3.4 Conversion of the Directory3.5 Conversion of
Ma JianEmail:[email protected]Published: 2008.08.03Updated: 2008.08.24
Supplementary Note: This article is written earlier, when the PDG browser only supports pure PDG, does not support the file named PDG, which is actually djvu. Now Unicornviewer already support named PDG, real DjVu files, so for the bulk of the DjVu, most of the Pdgrenamer renamed as PDG,
Http://djvu.sourceforge.net/
Djvu is a Web-centric format and software platform for distributing documents and images. djvu can advantageously replace PDF, PS, Tiff, JPEG, and gif for distributing scanned documents, digital documents, or high-resolution pictures. djvu content downloads faster, displays and renders faster, looks nicer on a screen, and consume
After the djvu file is printed in PDF format, the images on each page are divided into many lines, so that the horizontal line (black) appears when printed with a printer ), you can convert the image to PNG before printing it.
Check whether a horizontal line (black) appears. If yes, it may also be printed.The solution is to print the file on another device instead of the Adobe PDF printer, such as office document image writer, and selectAdvanced: Se
file, copy the update_kpvbooklet_x.x_install.bin file to the root directory of the Kindle disk, and disconnect the USB. Use menu> Settings> menu> Update your Kindle to upgrade and install the tool. Do not use restart to install the tool.PS: update your Kindle is displayed in gray, probably because you have installed a specific version. You can create a file named duokan_disable under the root directory of the Kindle disk (that is: create a file and remove the suffix), restart the machine, and t
1. Two ways to add,
The first of these methods
If it's a music file, we connect the ipad directly to the computer, then we open the itunes software, just drag the music from the computer to the itunes Music channel, and then sync it to the ipad.
The second method:
1. Click "Files" in the upper-right corner and select "Add Files to Database" or "Add folders to the database" as required. ”。
2. When y
1. On the ipad air2/ipad desktop, find the "Settings" icon and open the button (this icon is available for ios devices)2. We can find "iCloud" under "Settings" and then open it, as shown in the following figure.3. Now, enter the Apple ID and password of the device and click "log on". If you have logged on, click our appleid name.4. wait for the system to verify the co
According to the experience of the small series iOS device can not open the problem is likely to be the case of electricity, the card has crashed, the system crashes, the following small series on these issues to give you introduce different solutions.
One, system crashes
If none of the above solutions work, and you see an itunes connection on your Ipad/ipad air screen, the phone is now in recovery mode.
Method One: Official restoration
Downgrade Description:
This method is useful for operations when the latest iOS8.1 system validation is not closed
Operation Steps:
1, the iphone ipad ITouch and other devices connected to the computer to open iTunes.
2, hold down the keyboard shift (up button) the left mouse button click on the recovery of ITunes.
3, ITunes will pop up the dialogue
In addition to exposing the more details of Apple Watch and the new MacBook, we did not see the ipad Pro, which was rumored to have been reported before the press conference, and how much it was disappointing to see the ipad's new Apple powder. However, the inaccurate news is that Apple has postponed the launch of the ipad Pro to this September. But since Apple has launched a new 12-inch MacBook, will the
Line, Hong Kong version, the United States version of the "Yin and yang screen"
A user reflects, they just bought the ipad Air has a "yin-yang screen" problem, that is, the left side of the screen color yellow on the dark, the right temperature normal. And before the "Quality Gate", the emergence of the "Yin-yang screen" problem is not limited to the national line version, the Hong Kong version, the United States version of the same can not be exempt
Can I replace my laptop with my laptop?
Based on my actual usage requirements and experience, if you use a notebook to record meetings or perform general document processing, this kind of work can be completely replaced by iPad.
The biggest advantage of using iPad as a portable computer for office is its high portable performance. For example, one hand holds the iPad
How to download and install beauty camera ipad
1. First open the App Store on the ipad we searched for the "beauty Camera" and found that it was right because the beauty camera had no ipad version, so how to install the beauty camera on the ipad.
2. Now we are looking at the beauty camera interface to see that ther
Cloud Habitat Community Small tip: This workaround can be used for ipod touch5 ipad mini2 ipad Mini ipad Air,iphone4,iphone5,iphone4s/5s,ipad series.
Failure phenomenon
My ipad mini2 upgraded iOS7.1.2, but how long does it take to get ahead?
Solutions
Later in Baidu sear
Introduction to the problem
My family has 2 ipad:1 is iPad1 generation, iOS5 system, 1 is the ipad air,ios7 system. The last time the ipad Air's iOS7 system opened the App Store, it sometimes went well, sometimes it was very serious and sometimes even hung out. It is now found that the ipad Air power consumption is mu
Prepare to prepare the software
1. Jailbreak white Apple on behalf of the escape failed, we just from the recovery system on it, we go to the official download a latest version of the itunes software, installed in the computer.
2. After installing itunes, we connect the ipad Mini with the USB port on the computer.
Restore the IPAD system
First, we have to turn off the machine, we long press the top po
Compatible processing of retina New iPad and general resolution iPad page, newipadI. Experience Sharing
Even if it is not fruit powder, you should know that one of the major differences between iPad2 and the new iPad is the display resolution. The new iPad display is called the retina display. Its device resolution ra
Programming on iPad and programming software on ipad
1. iPad
Existing model:
IPad Pro, iPad Air, and iPad mini are equipped with a Retina display. Early iPad
Coordinate System and resol
I finally understood what the retina is like a normal screen. That is to say, the resolution is twice the size of other screens, but the size is still the same. An image is 200*200, and the image style is set to 200*200. The image is blurred in the retina. If the image size is 400*400, it will not be blurred, but it will be in high definition. The rounded corner, gradient, and shadow depicted using css3 are the same.
I. Experience Sharing
Even if it is not fruit powder, you should know that one
1. FaceTime can be used for video telephony via a wireless network. Use a frontal camera for face-to-face conversation, or use a back camera to share people or things around you.
To use FaceTime, you need to connect the ipad 2 to the wireless network. The contact you are calling must also have an IOS device or computer that can use FaceTime and is networked.
Second Step
2. Open the FaceTime application.
Th
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