i have a SVG that i use as a mask (via clipPath) over an image
my idea was to use the SVG mask as a revealer for the image, by scaling it from 0 to big enouoght to reveal the image
i made this sample
#ima {
clip-path: url(#yes);
width:800px;
height:800px;
object-fit: cover;
display: block;
margin-right: auto;
margin-left: auto;
}
https://codepen.io/lenna-the-vuer/pen/GRyvBEa
but it looks the SVG can't be modified or positioned.
I already made some reveal using a basic clip path, by animating the path itslef
but i can't do it with a complex SVG
any sugggestion?
Related
I have an image that needs a border-image over the image and not around it.
The border is an transparent png.
See here what happens if I use border:
You can see that the image holds a white background.
I would like to have the border to be over the image. After some Googleling I found outline. Here I can set a negative value. The problem here is that outline can't hold images......
I tried setting negative values on margin for the image and the border but that didn't help.
Anyone ideas?
Here is the code (not very interesting):
<div class="top_img">
<!-- some content -->
</div>
Here is the CSS:
<style>
background-image: url(the_image.jpg);
background-repeat: no-repeat;
background-attachment: scroll;
background-size: cover;
border: 20px solid transparent;
border-image: url(images/border_image.png) 30 round;
</style>
I have an <img> that shows a remote image.
I want it to fallback to another local image, in the case where the remote one is not reachable.
<img class="cc_image fallback" src="http://www.iconarchive.com/download/i82888/limav/flat-gradient-social/Creative-Commons.ico">
.cc_image {
width: 256px;
height: 256px;
}
.cc_image.fallback {
/* this URL here is theoretically a local one (always reachable) */
background-image: url('https://cdn2.iconfinder.com/data/icons/picons-basic-3/57/basic3-010_creative_commons-256.png');
}
It works so that when the src image is not found then the background image will be shown.
The drawbacks are:
it will always load the background image (additional HTTP request)
it shows a little not-found-icon (a question mark on Safari) at the place of te original image, that is displayed above the background-image (not a big issue, but I'd like to get rid of it)
How could I solve these issues?
Or: are there other technics to achieve the same result?
I found this question but the given solutions rely on Javascript or on <object> (that seems to not work on Chrome). I would like a pure CSS/HTML solution, without Javascript if possible.
I know about the multiple background-image but am not sure whether it is a good option (browser support? and will it fallback with an unreachable image?).
Or I was thinking about embedding a SVG image as data-uri.
Suggestions for the most flexible (and compatible) method?
Unfortunately, you can't achieve both without Javascript or object tag.
You could do this to avoid the missing image icon:
Place your image in a container (it might already be in one).
Make the container have the same width and height as the image.
Set the fallback image as the background image of the container.
Set the remote image as the background image of your img tag.
Load an 1x1 pixel transparent png as the src of your image (see code for how that can be done without an extra HTTP request).
Code:
HTML
<!-- you could use any other tag, such as span or a instead of div, see css below -->
<div class="cc_image_container fallback">
<img class="cc_image" src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" style="background-image: url(*your remote image*)"/>
</div>
CSS
.fallback {
background-image: url(*fallback image here*);
display: inline-block; /*to ensure it wraps correctly around the image, even if it is a a or span tag*/
min-width: specify a minimum width (could be the width of the fallback image) px;
min-height: specify a minimum height (could be the height of the fallback image) px;
background-position: center center; // fallback for older browsers
background-size: cover;
background-repeat: no-repeat;
}
.cc_image {
min-width: same as container px;
min-height: same as container px;
background-position: center center; // fallback for older browsers
background-size: cover;
background-repeat: no-repeat;
}
min-width and max-width make sure that the background images remain visible.
background-position makes sure that the central part of the images remains visible and is a graceful degradation for older browsers
background-size resizes the background image to fill the element background. The cover value means that the image will be resized so it will completely cover the element (some of the outer edges of the image may be cropped)
The base64 data in the img src tag is a transparent 1px png.
This will have an additional benefit that regular users and some bots may not be able to save your images (a rudimentary image protection)
The only drawback is, that you will still have one extra HTTP request for the fallback image.
I have found a solution on Codepen, which I would like to share with you:
https://codepen.io/anon/pen/Eqgyyo
I prefer this solution, because it works with real image tags, not background images.
body {
color: #2c3e50;
font-family: 'verdana';
line-height: 1.35em;
padding: 30px;
}
h1 {
margin-bottom: 40px;
}
ul {
list-style: none;
padding: 0;
}
* {
box-sizing: border-box;
}
img {
color: #95a5a6;
font-size: 12px;
min-height: 50px;
position: relative;
}
img:before {
background: #f1f1f1;
border: 1px solid #ccc;
border-radius: 3px;
content: '\1F517' ' broken image of 'attr(alt);
display: block;
left: 0;
padding: 10px;
position: absolute;
top: -10px;
width: 100%;
}
<h1>Broken image fallback CSS</h1>
<img src="no-image-here" alt="Cats with synthesizers in the space " />
<br /><br />
<ul>
<li>✓ Firefox</li>
<li>✓ Chrome</li>
<li>✓ Opera</li>
<li>✗ Safari (desktop, mobile)</li>
<li>✗ iOS webview</li>
</ul>
When using sprites in Compass/Sass, you get a background-image and a background-position generated.
For example:
background: url('../images/generated/bg-sa8e38178a4.png') no-repeat;
background-position: 0 -120px;
This background image is positioned in the upper left corner of your element.
With normal CSS I can change this to the bottom right corner like so:
background-position: right bottom;
However, this doesn't work when using a sprite, as its for the entire sprite instead of each image in my sprite.
How can I tell Compass/Sass to place each image of my sprite in the bottom right corner, instead of upper left?
Note: the element I'm using this sprite on, changes in height, so I can't use fixed pixel values.
Thanks.
EDIT: I'm including this image to illustrate what I mean:
I was able to achive this using the :after psuedo class on my element.
You need to give the :after class a width and height equal to your image, and position it using CSS.
.element {
position: relative;
/* your element css */
&:after {
content: "";
position: absolute;
z-index: 1;
display: block;
width: 60px;
height: 60px;
right: 0;
bottom: 0;
background: url('../images/generated/bg-sa8e38178a4.png') no-repeat;
background-position: 0 -120px;
}
For my website this is what I am using for the image with regards to responsive design:
.logo {
max-width: 100%;
display: block;
height: auto;
margin-left: auto;
margin-right: auto;
}
The image scales properly width wise but the image's height is too big. In these kinds of situations what can one do to make the image scale properly? If I remove height auto and assign 70px the image looks good when viewed in full version but as you begin to shrink the size of the browser the image looks like it's going inwards.
HOw can i fix this?
try this:
{
max-height: 100%;
max-width: 100%;
height: auto;
width: auto;
}
for this wrapp a div around img and apply the height you want and overflow hide it
.imgwrapp {width:100%;height:70px;overflow:hidden;float:left}
So given the css you have there, the ratio of width to height of the image is what's giving you problems. If you don't like the height of the image when the browser is wide, then you should probably get a different image/crop it. When you set the height to 70px what you're doing is forcing the image into a box that it doesn't fit in, so the image will look funny as it's being scaled weird.
But alas there is another option. here is a jsfiddle that shows only the amount of the image that fits within my first n pixels (in your case 70) so that way it will kind of slide out of view. Check the css here :
.header {
width: 100%;
height: 100px;
overflow:hidden;
}
.everythingelse {
width: 100%;
height: 200px;
}
When I insert an image in a container with fixed width and height, the image stretches to fit that space. Is there a way to display the image at its normal size, but with the excess clipped out?
The modern way is to use object-fit: none; (or the more common object-fit: cover; if you want to scale, but without stretching).
img {
object-fit: cover;
}
97% of browser sessions support this as of 2022 May. — Can I use?
If you want to anchor the image to the top left corner instead of the center, add:
img {
object-position: 0 0;
}
<div style="width: 100px; height: 100px; background-image: url(your image); background-repeat: no-repeat;"></div>
Then in the above DIV you can play with CSS
width/height
background-position
to create different crop effects.
You can use the CSS clip property:
#image_element
{
position:absolute;
clip:rect(0px,60px,200px,0px);
}
The downside of using clip is that the element has to be absolutely positioned, and is only available with the 'rect' shape.
See:
https://www.w3schools.com/cssref/pr_pos_clip.asp
http://www.cssplay.co.uk/menu/clip_gallery
Use this :
http://www.w3schools.com/css/pr_background-position.asp
background-position: 5px 5px;
and then set the height and width of the div
height: 55px;
width: 55px;
Show it as a background image