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Image Greyscale with CSS & re-color on mouse-over?
...etail with a few examples below.
Pure CSS (using only one colored image)
img.grayscale {
filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 ...
When to use IMG vs. CSS background-image?
In what situations is it more appropriate to use an HTML IMG tag to display an image, as opposed to a CSS background-image , and vice-versa?
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How to set size for local image using knitr for markdown?
...
```{r fig.width=1, fig.height=10,echo=FALSE}
library(png)
library(grid)
img <- readPNG("path/to/your/image")
grid.raster(img)
```
With this method you have full control of the size of you image.
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How to add images to README.md on GitHub?
...
Try this markdown:
I think you can link directly to the raw version of an image if it's stored in your repository. i.e.
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How can I convert an image into Base64 string using JavaScript?
...o a dataURL.
function toDataURL(src, callback, outputFormat) {
var img = new Image();
img.crossOrigin = 'Anonymous';
img.onload = function() {
var canvas = document.createElement('CANVAS');
var ctx = canvas.getContext('2d');
var dataURL;
canvas.height = this.natural...
embedding image in html email
...way you can insert multiple images at various locations in the email.
<img src="data:image/jpg;base64,{{base64-data-string here}}" />
And to make this post usefully for others to:
If you don't have a base64-data string, create one easily at:
http://www.motobit.com/util/base64-decoder-encode...
Convert SVG to PNG in Python
...s SVG to a cairo
surface and writes it to disk:
import cairo
import rsvg
img = cairo.ImageSurface(cairo.FORMAT_ARGB32, 640,480)
ctx = cairo.Context(img)
## handle = rsvg.Handle(<svg filename>)
# or, for in memory SVG data:
handle= rsvg.Handle(None, str(<svg data>))
handle.render_cai...
Is it possible to put CSS @media rules inline?
...images.
<picture>
<source media="(min-width: 650px)" srcset="img_pink_flowers.jpg">
<source media="(min-width: 465px)" srcset="img_white_flower.jpg">
<img src="img_orange_flowers.jpg" alt="Flowers" style="width:auto;">
</picture>
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How to change an input button image using CSS?
...utton type="submit" style="border: 0; background: transparent">
<img src="/images/Btn.PNG" width="90" height="50" alt="submit" />
</button>
More info: http://htmldog.com/reference/htmltags/button/
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Bootstrap 3 Navbar with Logo
...lly need is to add navbar-left.
<a href="#" class="navbar-left"><img src="/path/to/image.png"></a>
You can even follow this with a navbar-brand item, which will appear to the right of the image.
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