Basic knowledge of mobile resolution (DPI,DIP calculation)
1. Terminology and concepts
Terms
Description
Note
Screen size (on-screen dimensions)
Refers to the actual physical size of the phone, such as 2.8-inch, 3.2-inch, 3.5-inch, 3.7-inch
Motorola Milestone mobile phone is 3.7 inches
Aspect Ratio (Wide-high ratio)
Refers to the actual physical dime
Basic mobile phone resolution knowledge (DPI, DIP computing)
1. terms and concepts
Terms
Description
Remarks
Screen size)
It refers to the actual physical size of the mobile phone, such as the commonly used 2.8 inch, 3.2 inch, 3.5 inch, 3.7 inch
Motorola's milestone mobile phone is 3.7 inch
Aspect Ratio (width/height Ratio)
Introduce PS to mm fuzzy low pixel mobile phone photos into a dream hand-painted effect, this article with Ps+sai to complete, of course, you can only use PS, see a person's preferences.
Tutorial Final effect Diagram:
This is the original image of the legend ... Well, it is the pixel is so slag, the picture is so small, so
Due to the problem of mobile phone DPR (device pixel ratio), there are often 1 pixel border problems in WebApp, the solution is as followsThe following code implements BORDER-1PX ($color) {position:relative using sylus ; :after{ Display:block; Position:absolute; left:0; bottom:0; border-top:1px solid $color; Content
Are you already in the computer's own camera slag residue pixel?Today to everyone Amway a method: The mobile phone camera set to the computer's camera, so that the pixel HD up, for the image of the comrades are really the gospel ah, especially when the face recognition.There are many ways to do this, and I recommend the one I'm using: Droidcam.It is installed on
"Pixel Bird" this more popular game I believe we all know, usually everyone is on the phone to download the game to play, but the mobile screen small operation difficult, it is difficult to make you high points, you are not very want to move it to the screen? Today we are going to teach you how to install this hot game on the Win8, Let you experience the fun of the blow machine.
1, press the Windows key to
One. Related basic knowledgeXiaomi Note Parameter view: http://www.mi.com/minote/specs/The following is an example of millet note this device.1. It is generally said that the number of inches of mobile phone refers to: the length of the screen diagonal. 1 inches 2.54 cm. The millet note is 5.7 inches and is about 14.478 cm.2. Physical pixel/device pixel/
Normal page set The simplest way to solve this problem is to define BORDER-WIDTH:1PX;BORDER-IMAGE:URL (bg.jpg) 2 repeat;Where bg.jpg can be designed as a picture of 6x6 Get. There are some disadvantages to this, such as how to solve the fillet, and the other two have given their solutions. http://www.th7.cn/web/html-css/201505/103090.shtml http://blog.csdn.net/huang100qi/article/details/47355277 But some people pit Dad's proposed, want to really 1 pixels of thin line, you can set the mobile
of pixels that can be displayed per inch on the screen, that is, the pixel density on the screen.
Category
In fact, there are two types of pixels: Device pixels and CSS pixels.
1. device independent pixels: physical pixels of the device screen. The number of physical pixels of any device is fixed.
2. CSS pixels (CSS pixels): Also known as logical pixels, is an abstract layer created for web developers and used in CSS and javascript.
// The pixels we
.
The application of pixel painting is also very extensive. such as our childhood playing FC home red and white machine screen, as well as today's GBA palm machine and mobile games, from Black-and-white mobile phone pictures until today Full-color handheld computer, and we face the computer is also ubiquitous in all kinds of software pixel icon. such as a large
This article is translated by 99 according to Patrick H. Lauke's "A pixel is not a pixel" is not a pixel, the entire translation with our own understanding and thought, if the translation is bad or wrong place also please peer friends pointing. If you want to reprint this translation, please specify the English source: http://www.quirksmode.org/blog/archives/2010
Recently encountered this problem of headache, baffled its solution, fools, cantilever thorn shares these things have done, finally see hope, so save, feel tidy share to everyone, hope to help.The initial understanding of cell phone resolution and web pixel is that it is twice times the difference.But what's puzzling is why we need 1.325 of this data, which is what it turns out to be:Give me a chestnut:The
mobile phone.
Physical resolutionIt is an inherent parameter of a display and other devices and cannot be adjusted. It generally refers to the maximum (optimal) Number of metrics displayed on the device. For example, an led LCD screen uses a grid to divide the liquid crystal body. A liquid crystal (photoelectric) is a physical pixel. The higher the PPI, the higher the resolution.The display resolution is a
PackageCom.hujl.util;ImportAndroid.content.Context; Public classDensityutil {/*** Switch from DP unit to PX (pixel) According to the resolution of the phone*/ Public Static intDIP2PX (Context context,floatdpvalue) { Final floatScale =context.getresources (). Getdisplaymetrics (). density; return(int) (Dpvalue * scale + 0.5f); } /*** According to the resolution of the
Interesting CSS pixel art and interesting CSS pixel Art
Address: https://css-tricks.com/fun-times-css-pixel-art/#article-header-id-4
Friendly reminder: CodePen may not be opened or slow due to domestic network reasons. Please be patient!
Pixel art, as a form of lost art, is eclipsed by ultra-clear and high-resolution
Slic Hyper Pixel Segmentation (II.)
The website http://ivrl.epfl.ch/research/superpixels gives the SLIC code. For the C + + code of several key functions to realize the details of the implementation, to facilitate beginners to understand. Specifically as follows:
1, set the desired number of pixels to split, open the picture. Converts a color RGB picture to lab space and X, y pixel coordinates in a total of
Have to say PS is really a powerful image processing tools, we all know that sometimes change the image pixel size will change the image quality, the small picture into a large picture, the quality will follow down, there is no way to achieve the low pixel image into a high pixel image, This is the day-to-day need to deal with pictures of friends may often contac
Private void setalpha (bytearrayoutputstream OS ){/*** Add a test item* Read the image and draw it as translucent*/Try {
Imageicon = new imageicon (OS. tobytearray ());Bufferedimage = new bufferedimage (imageicon. geticonwidth (), imageicon. geticonheight (), Bufferedimage. type_4byte_abgr );Graphics2d g2d = (graphics2d) bufferedimage. getgraphics ();G2d. drawimage (imageicon. getimage (), 0, 0,ImageIcon. getImageObserver ());// Cyclically change the Alpha value of each pixel.Int alpha = 100;For
To the U.S. Mito software users to detailed analysis to share a reduced picture pixel tutorial.
Tutorial Sharing:
1, open the picture, choose the size
2, input the pixel you want is good, and then point application, save on OK
Well, the above information is a small series to the United States and Mito of this software users brought the detailed picture
Msdn code
Colorref pixel;
Int Maxy = imgoriginal. getheight (), Maxx = imgoriginal. getwidth ();
Byte R, G, B, AVG;
For (INT y = 0; y
For (INT x = 0; x
Pixel = imgoriginal. getpixel (x, y );
R = getrvalue (pixel );
G = getgvalue (pixel );
B = getbvalue (pixel );
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