What is the relationship between canvas scale and canvas size?

What's the relationship between canvas scale and canvas size? My ultimate goal is to change the scale by the user

P粉621033928 2023-07-25 12:33:23 0  1  555

Modify image size

Please tell me how to modify the size of the image loaded in <input type="image" src="images/btn02.png" />

晨曦 2019-03-21 17:11:34 0  4  1222

Check uploaded file size

I have file uploader component and need to add dimension validator in it this is the code of validator exportconstfilesDimensionValidator=(maxWidth:number,maxHeight:number):ValidatorFn=>(control:AbstractControl):ValidationErrors|null=>{constvalue:IUploadFileControl =c

P粉463291248 2023-09-10 22:52:30 0  1  419

javascript - How to compress images to a specified volume (not a specified size) on the JS side

Compress the image to within the specified size. For example, 500KB is not the specified size. Can 200X300 be achieved? The ones I can find online are all in designated sizes.

大家讲道理 2017-05-19 10:19:18 0  1  632

How to center title in media dimensions?

I want to place a media size centered at regular size, and when I change its max-width to 480, the header is on the left. But it sticks to the left. How can I change the code so that the title is in the middle when the media is resized? caption{font-family:"RockSalt",cursive;padding:20px;f...

P粉316110779 2024-02-26 10:05:23 0  1  443

objective-c - How to control the size of photos saved to the album after taking pictures with a custom camera?

Now the width and height of my customized camera are both 200. When the photo is taken and saved to the album, the size of the image should be the image size previewed in the customized camera. However, when viewing the album, it is found that the full-screen photo is saved. Later, I tried cropping ...

女神的闺蜜爱上我 2017-06-15 09:23:54 0  1  1026

How does PHP handle the two-dimensional display and submission of colors and sizes in product management?

Dear friends, I recently encountered a problem with the color and size attributes of a product. For example, a product has two colors and three sizes. Product A has a color design [black, white] and a size design [S, M, L]. I want to click on it. The product list comes to the product details page, e...

P粉529965851 2023-06-12 12:01:22 0  1  690

How to get the natural dimensions of an image using JavaScript or jQuery?

So far I have this code: varimg=document.getElementById('draggable'); varwidth=img.clientWidth; varheight=img.clientHeight; However, this gets me the html attribute-css style. I want to get the dimensions of the actual image resource of the file. I need this because after uploading the image, its wi...

P粉916553895 2023-10-21 13:53:08 0  2  821

CSS and HTML methods for moving paragraphs to the left on mobile sized screens

It looks perfect on a normal 16:9 computer screen, with text on the left and images on the right. However, when it comes to smaller screens (e.g. phone size screens), it does display the picture on top of the paragraph like I want it to. I'm very new to this so please help. This is my media file @me...

P粉043470158 2024-04-04 20:25:22 0  1  534

Bootstrap landing page layout issue - container does not fit correctly to screen size

I'm currently practicing using Bootstrap to create a landing page. However, I'm facing layout issues, the container doesn't fit the appropriate screen size. The left and right sides are unbalanced, causing the screen to tilt to the left. Here's a screenshot illustrating the problem (link): Text I've...

P粉214089349 2023-09-10 21:04:02 0  2  769

javascript - The size rendered by Chrome img is inconsistent with the actual size

HTML: {code...} CSS: {code...} JS: {code...} {code...}

phpcn_u1582 2017-05-19 10:25:50 0  2  571