scaling postgresql

Copy Code code as follows: /** * Images class is a picture processing class * @package Application.controllers * @since 1.0 */ Class Images { /** * Zoom Picture * @param $source Original picture * @param $newfile New pictures * @param $pre Scaling ratio */ Public Function Thumn ($source, $pre, $newfile) { Get picture size List ($s _w, $s _h) =getimagesize ($source); To generate a new picture size $new _w= $s _w* $pre; $new

picture width of 1024, high according to the original picture proportional calculation Convert-resize x768 file.jpg newfile.jpg Get the picture high 768, wide according to the original picture proportional calculation Convert-resize 1024x768! File.jpg newfile.jpg Fixed wide and high scaling, regardless of the original is the ratio of the width of the graph, the picture zoom to the specified size. Convert-resize "1024x768>" File.jpg newfile.jpg Onl

The example in this article describes the method for automatically scaling the picture in the fixed display area of JS. Share to everyone for your reference. The implementation method is as follows: The wants this article to help you with your JavaScript programming.

Today we're going to write a imageview of scaling effects that a lot of people on the web are talking about. But a lot of people are using the library files directly, So what we're doing today is directly coding a drag and zoom ImageView, specifically looking at the effect chart So easy to analyze. What do you want to use to scale pictures and drag on your phone? Finger right So what events on the control are related to the phone. View.ontouchlis

Q: Keep the CorelDRAW part of the object size unchanged, require other objects such as scaling scale, what to do? A: The description of the problem itself is complex enough. Baidu is also a man put forward, so in this regard as a problem to treat. In this way, there are a bunch of objects in the CorelDRAW, such as a part of the circle and the ellipse, which now requires that all the objects be reduced by half, but the size of all the circles and ell

data contraction is completed . Iv. Summary The handsome scheme can realize the second-level, smooth expansion of n-Library 2n library, increase the database service ability, reduce the data volume of half-library, its core principle is: multiply enlarge, avoid data migration . Migration Steps : (1) Modify the configuration (2) Reload configuration, instance expansion complete (3) Delete redundant data and other finishing work, data volume contraction completed The above is from the public

JQuery achieves proportional scaling for images. Proportional scaling of images implemented by jQuery:If a container contains a larger image than the container, the layout may be faulty. Even if the container is not large, it may not look beautiful enough. At this time, the image size must be limited, of course, it cannot be deformed. Otherwise, it will be difficult to understand. The following describes h

========================================================== ====== Copyright: bear does not go to the lab csdn blog ========================================================== ====== Working principle: Game render This effect has been seen in the switching scenario of gash 4, and the motion blur of speed 12 also has this feeling. PS is called radial fuzzy-> scaling, and a radial fuzzy-> rotation. Scaling pri

Image scaling algorithm is more, the following is only the nearest neighbor interpolation algorithm and bilinear interpolation algorithm to introduce.As shown in 1, represents the original image and the image after zooming.Figure 1 Image scaling (original image à scaled image)Image scaling is the behavior of mapping points in the original image to the point of th

PHP image proportional scaling and adding detailed Logo watermark code and comments Baidu's ""/*** proportional scaling function (implemented in storage mode) * @ param string $ picName scaled processing image source * @ param int $ maxx maximum width of the scaled image * @ param int $ maxy maximum height of the scaled image * @ param string $ prefix of the image name after pre

Tutorial 8: Software Scaling Software scaling library libswscale Recently, FFMPEG has added a new interface: libswscale to process image scaling. But previously we used img_convert to Convert RGB to yuv12. Now we use the new interface. The new interface is more standard and fast, and I believe there is MMX optimization code in it. In other words, it is a better

Android imitation circle of friends image browser (supports image gesture scaling and dragging ),※Effect※Used open source LibraryPhotoView Image Scaling: supports double-click scaling and finger scaling. Https://github.com/chrisbanes/PhotoView Universalimageloader image download cache Library Https://github.com/nost

Tutorial 8: Software Scaling Software scaling library libswscale Recently, FFMPEG has added a new interface: libswscale to process image scaling. But previously we used img_convert to Convert RGB to yuv12. Now we use the new interface. The new interface is more standard and fast, and I believe there is MMX Optimization in it.Code. In other words, it is a be

The foldable auto-scaling drop-down menu is suitable for websites with a maximum number of level-2 menus, a large number of menus, and exquisite page requirements. When one menu is opened, the other menu is automatically scaled back. : Foldable auto scaling drop-down menu This JS special effectCodeYou can not only implement a foldable auto-scaling drop-down men

Php scales according to the specified size to generate a thumbnail of the uploaded image. Php Tutorial: generate an uploaded image thumbnail ***** proportional scaling * @ paramunknown_type $ srcImage source image path * @ paramunknown_type $ toFile target Image path php Tutorial: proportional scaling by specified size zoom to generate uploaded image thumbnails /** ** * Proportional

This article mainly introduces the example of using imagecopyresampled function to implement image scaling in PHP image processing. This article first explains the knowledge of the imagecopyresampled function, and then provides an example of the implementation code, for more information about website optimization, see website optimization. content is also one of the objects to be optimized, and images are the most important content on the website. To

This article mainly introduces php's method of generating image thumbnails by proportional scaling of the specified size. it is a very practical technique to generate a thumbnail by proportional scaling of images, for more information about how to use php to generate image thumbnails by proportional scaling of the specified size, see the following example. Share

This article mainly introduces the example of using imagecopyresampled function to implement image scaling in PHP image processing. This article first explains the knowledge of the imagecopyresampled function, and then provides an example of the implementation code, for more information about website optimization, see website optimization. content is also one of the objects to be optimized, and images are the most important content on the website. To

This article describes the function of adding watermarks to two images in php. For more information, see There are two ways to change the image size.(1): The ImageCopyResized () function is valid in all GD versions, but its algorithm for scaling images is rough. (2): ImageCopyResampled (), the edge of the image obtained by the pixel interpolation algorithm is smoother and the quality is better (but the speed of this function is slower than that of Ima

This article describes how to perform image operations based on jquery, including image re-painting, image size acquisition, image resizing, and image scaling, interested friends can refer to this article to share with you four common operations on jquery images for your reference. the specific content is as follows: 1. you can redraw the image size on the server or on the client using JQuery. $(window).bind("load", function() { // IMAGE RESIZE