Tag:Picture size

  • How to fix uitableview in IOS cell.imageView.image Image size of

    Time:2021-3-19

    preface All those who develop IOS will basically encounter the situation that they need to display lists, or even if they are not standard lists, because the number is not fixed, they also need to display and load from top to bottom like lists. All of these can’t get around the use of uitableview. Uitableview […]

  • HTML tutorial: introduction to the method of modifying the border attribute of image size alignment interval

    Time:2021-2-26

    Image marking:<img>To insert an image into a page, we need to use the “img” tag, whose attribute is “SRC”For example, code:<img src=”test.jpg”> Conclusion Here we assume that the image file and the HTML file are in the same directory.Similarly, we can give the full path of the image file.For example:<img src=”C:\images\test.jpg”> Width and height:Correct the size of […]

  • UI avatars generate API with instant Avatar

    Time:2021-2-16

    introduce UI AvatarsIt’s a website that generates avatars based on the initials of its name, providing APIs to the public. No restrictions or login, no usage tracking, no storage of any information, and fast access. I like it very much because it’s easy to use. Ready to use On the IMG tag, you can directly […]

  • Record a JS image compression ideas

    Time:2021-2-8

    Image compression using canvas Idea: create a canvas and draw the picture on the canvas,Adjust the image size by setting the width and quality of canvas Convert file to Base64 This step is to create an image and obtain the aspect ratio in the image //Convert file to Base64 function changeFileToBaseURL(file, fn) { var flieReader […]

  • Canvas image clipping, double finger zoom and smooth experience, support PC end and mobile end

    Time:2021-1-22

    Demo Online demo instructions API, please movehttps://github.com/Gitjinfeiy… use Please refer to demo let editor = new ImageEditor(options); Options { Container: ‘wrapper’ // required mount container limit:{ minWidth:50 , // width limit maxWidth:200, minHeight:50 , // height limit maxHeight:200, maxSize:50 , // picture size limit KB }, created:function(imageEditor){ //After the editor is initialized }, beforeReadFile:function(){ //Before […]

  • Using canvas image compression, size adjustment

    Time:2020-11-3

    Record it Step 1:Call the native camera with input, capture = camera <input onchange=”photoChange(event)” type=”file” accept=”image/*” capture=”camera” id=”upload_file” /> Step 2: get the picture informationuseFileReaderRead the information of the picture function photoChange(el) { const _this = this; var file = el.target.files[0];// name: “dangqi1.png” || type: “image/png” _this.fileName = file.name; var type = file.type.split(‘/’)[0]; if (type […]

  • Java gets the size of the image according to the image address, in KB or MB

    Time:2020-10-18

    /** * byte is converted into KB and MB according to length     *       * @param bytes      * @return      */      public static String bytes2kb(long bytes) {          BigDecimal filesize = new BigDecimal(bytes);          BigDecimal megabyte = new BigDecimal(1024 * 1024);          float returnValue = filesize.divide(megabyte, 2, BigDecimal.ROUND_UP)                  .floatValue();          if (returnValue […]

  • Tensorflow read image file

    Time:2020-7-24

    1. Read the file list #File save directory path=’./data/iamge’ file_names=os.listdir(path) file_list=[os.path.join(path,file_name)for file_name in file_names] 2. Create file read queue file_queue=tf.train.string_inpurt_producer(file_list) 3. Create a picture reader to read pictures reader=tf.WholeFileReader() key,value=reader.read(file_queue) 4. Analysis of pictures image=tf.image.decode_jpeg(value) 5. Set the image size and fix the image channel image_resize=tf.image.image_resize(image,[200,200]) image_resize.set_shape([200,200,3]) 6. Batch processing tf.train.batch([image_resize],batch_size=20,num_threads=2,capacity=20) 7. Turn on session […]

  • Canvas learning arrangement

    Time:2020-7-14

    fill Solid color var cvs = document.getElementById(“myCanvas”); var ctx = cvs.getContext(“2d”); ctx.fillStyle = “#FF0000”; ctx.fillRect(0,0,150,75); Fountain Fill Radial Gradient var cvs = document.getElementById(‘myCanvas’) var ctx = cvs.getContext(“2d”) //Create gradient 1 – 45 degree radial gradient var grd1 = ctx.createLinearGradient(0, 0, 100, 100); grd1.addColorStop(0, ‘red’) grd1.addColorStop(1, ‘white’) //Create gradient 2 – horizontal radial gradient var grd2 […]

  • Size the markdown image!

    Time:2020-4-4

    For markdown articles, the processing of images is very simple. But when it’s converted to HTML,<img />Size without picture. So what’s the problem? When the browser does not load the image data, the browser does not know its sizeSo, the default size is 0 unless you passstyleSize setLater, when the image is loaded and the […]

  • Vue uses clipper.js to capture pictures and compress them

    Time:2020-4-1

    1. This compression method is to obtain the image and then compress it after intercepting it ` <template> <div class=”cropper-page”> <slot> < button @ Click = “Upload” > upload picture < / button > </slot> <div id=”demo”> <! — mask layer — > <div class=”container” v-show=”panel”> <div class=”cropper-box”> <img id=”image” :src=”url”> </div> <div class=”bottom-btn-box”> < […]

  • Tensorflow reading picture file

    Time:2020-2-27

    1. Read file list #File save directory path=’./data/iamge’ file_names=os.listdir(path) file_list=[os.path.join(path,file_name)for file_name in file_names] 2. Create file read queue file_queue=tf.train.string_inpurt_producer(file_list) 3. Create a picture reader to read pictures reader=tf.WholeFileReader() key,value=reader.read(file_queue) 4. Analyze pictures image=tf.image.decode_jpeg(value) 5. Set image size and fix image channel image_resize=tf.image.image_resize(image,[200,200]) image_resize.set_shape([200,200,3]) 6. batch processing tf.train.batch([image_resize],batch_size=20,num_threads=2,capacity=20) 7. Open session processing with tf.Session() as sess: […]