wavy | Experimental wlc-based wayland compositor | Video Utils library
kandi X-RAY | wavy Summary
kandi X-RAY | wavy Summary
Wavy is a tiling wayland compositor based on wlc, inspired by herbstluftwm, i3, awesome and dwm. Parts of the implementation are heavily inspired by sway. Its design goal is to be configurable and programmable with a simple Lua interface. Configuration shouldn't rely on complicated shell scripts, but aim to be a nicely integrated system that can be easily modified and expanded. For a commented example configuration see config/config.lua.
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QUESTION
This explains the "Bridge" pattern I'm referring to: https://refactoring.guru/design-patterns/bridge
Here's a scenario from the post above:
Say you have a geometric Shape class with a pair of subclasses: Circle and Square. You want to extend this class hierarchy to incorporate colors, so you plan to create Red and Blue shape subclasses. However, since you already have two subclasses, you’ll need to create four class combinations such as BlueCircle and RedSquare.
The problem this scenario presents:
Adding new shape types and colors to the hierarchy will grow it exponentially. For example, to add a triangle shape you’d need to introduce two subclasses, one for each color. And after that, adding a new color would require creating three subclasses, one for each shape type. The further we go, the worse it becomes.
To avoid this problem, we implement the Bridge pattern like so:
Extract the color-related code into its own class with two subclasses: Red and Blue. The Shape class then gets a reference field pointing to one of the color objects. Now the shape can delegate any color-related work to the linked color object. That reference will act as a bridge between the Shape and Color classes. From now on, adding new colors won’t require changing the shape hierarchy, and vice versa.
I understand the how and why of this implementation.
But what if we need a third hierarchy, e.g. BorderStyle
(where a border style can be Straight
, Wavy
, or ZigZag
?)
I guess we could implement a second Implementor class for BorderStyle
and pass it into a Shape
constructor like so:
ANSWER
Answered 2021-Jun-10 at 00:45Yes, this works. There's nothing wrong with adding two Bridge relationships to one abstraction (beyond the complexity of juggling three different hierarchies).
Decorator would certainly not work for this purpose, because it maintains a single hierarchy, which is known to the client. The Implementor
hierarchy in a Bridge (or hierarchies in this case) are unknown to the client.
I would make a clarification to the linked article, where it says,
You want to extend this [shape] class hierarchy to incorporate colors
I think this oversimplifies the motivation for a Bridge. The Implementor
s are not just some attributes you choose to add to your Abstraction
to enhance it. Your Abstraction
requires an Implementor
in order to function at all. The method implementations within subclasses of Abstraction
generally do little except call methods of the Implementor
.
The Abstraction
represents your high-level, business API, while the Implementor
represents a lower-level, primitive API. They are both abstractions, but at different levels. I don't think this is conveyed adequately by shape & color examples because shape and color seem like abstractions at the same level. Both shape and color would be known to the clients, and neither one strictly depends on the other.
So a Bridge is applied for more specific reasons than the given example, but you certainly can have two.
QUESTION
I currently have a very small image and plan to use it as a background and align it to the top right by maintaining its original size.
Meanwhile I want the entire background to have a gradient color.
How can I achieve this?
Cos currently the background images ends up skewing and stretching to the entire background.
To control this, I added back the original image size to it. This works and image is aligned
to top and back to original size.
But the gradient color also ends up becoming small instead of stretching across the background.
Please advice. Thanks.
This is what I have currently.
...ANSWER
Answered 2021-May-04 at 13:00Encapsulate the div where you have inserted background image with a parent div and add gradient color to it. Something like this.
QUESTION
I am trying to build a website using flutter and I want it's background to have a wavy corner with a different color at one end. I need four blocks in this designs i.e. as you scroll you'll reveal new blocks, and the height of each block should be the same as the height of the screen.
So, I thought of using CustomPaint to do it so I started to implement it but I am getting around 500 lines of error messages and it's not working.
I'm new to flutter so I don't know if I've implemented everything the way it should be implemented. I've shared all the code down below:
main.dart
...ANSWER
Answered 2021-Apr-14 at 10:42Check the following. Here I am using a list view to show contents. In flutter it is important to understand the concept that constraints go down from parent to child and the size goes up from a child to parent.
Here is demo of how this can be achieved. dartpad demo
If the child doesn't define a size then in ListView
you have to define the itemExtent
.
QUESTION
I'd like to have a wavy background on top of my regular background but the image is not stretching all the way out. It has to be position absolute (otherwise it's interfering with my navigation and moves it down by the height of the img). JSFiddle. I already tried object-fit: fill
which also didn't work. Thanks in advance
My code:
...ANSWER
Answered 2021-Apr-14 at 08:28Instead of applying css to #background apply it in #background img thats where you want to change object fit property.
replace this
QUESTION
Iam new to using BLoC or state management, in my case i using BLoC to navigate my another screen with button in Navigation Rail. this is my code
...class navigation_bloc
ANSWER
Answered 2021-Mar-31 at 16:55This line is causing the issue:
QUESTION
I'm trying to generate something similar to this as in wavy text. How would I go about doing it? The thing I tried was simply using a for loop to incresae the amount of invisible spaces before each line. the result was linear, and although that is somewhat of what I am looking for, I'm more looking for something smoother, like in the pastebin. I thought about multiplying by 0.75 or 1.25 each time, but with data types and that you can't have a half of a character and all of that stuff in java it got really confusing really quick. Any ideas on how to do this?
This is what i've got so far, the linear examlple
...ANSWER
Answered 2021-Mar-18 at 21:00To do a sine-wave pattern:
QUESTION
ANSWER
Answered 2021-Mar-02 at 01:40You have the full list of supported operators listed here
page 30:
The following names are allowed for user-defined operators: ‘<’, ‘>’, ‘<=’, ‘>=’, ‘==’, ‘-’, ‘+’, ‘/’, ‘˜/’, ‘*’, ‘%’, ‘|’, ‘ˆ’, ‘&’, ‘<<’, ‘>>’, ‘>>>’, ‘[]=’, ‘[]’, ‘˜’.
So I am afraid that you cannot override -- or ++ operator.
If you are only interested into a quick way to decrement or increment your pointI found a little hack for you if you are okay to lose some operators:
QUESTION
I want to know about the best way to use wavy svg images in html webpage that are also responsive with screen size without using media queries.
also this is the approach i am trying currently
...ANSWER
Answered 2021-Feb-11 at 15:21There are websites that can help you create waves as a background, they give you several options on how to create waves.
You just need to enter the website, see how you want your waves to be created, and they will give you HTML and CSS code to add to your document, and it is responsive!
In the example below I created the div wave, it will simply fill 100% of the page with skyblue
color and will center all elements in the center. You don't really need it, don't worry about it.
You can just ignore the div wave, and if you want to add color to the element's background, use body { background-color: your_color;}
QUESTION
This question is about mobile app UI design, I've searched the web for long time for this question and didn't found any satisfying explanation - so i decided to bring it here. I'm using Android studio (Java), I have a navigation bar that is made of a LinearLayout
that contains 5 navigation buttons in it inside my activity_home.xml
, I want to make kind of a rounded 'wavy' border in the middle (not corners) of that navigation bar. something that will look like this:
I will share here some code and images of what i already have and what i want it to be.
Code:
activity_home.xml:
...ANSWER
Answered 2021-Feb-07 at 15:46Ah, that can be achieved by using BottomAppBarTopEdgeTreatment. How? Let's see.
First, create a function like this which returns a MaterialShapeDrawable which you can set to the LinearLayout
as:
QUESTION
ANSWER
Answered 2021-Feb-05 at 18:46The quickest way I would come around this is by adding the top
property to both pseudo-elements, setting their values to negative height, and changing .wave
's background.
Updated CSS
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