[Solved] How to know what r,g,b values to use for get other colours to paint a JFrame dynamically?

Your current approach is indeed not easily generalizable. The hard-coded parts of the buttons for “blue” and “green”, and especially the special methods like blueToGreen make it impossible to extend the number of colors with reasonable effort. (You don’t want to create methods blueToYellow, blueToRed, blueToTheThirdColorFromThisListForWhichIDontKnowAName …). There are many possible ways of generalizing this. … Read more

[Solved] Set background color to value of range input [closed]

What you want to do is add an onchange part to your inputs to handle when the user changes the values of your input sliders. This is what it would look like: <input id=”red” name=”red” type=”range” min=”0″ max=”255″ step=”1″ value=”128″ onchange=”changeColor()”></input> <label for=”red”>red</label> <br> <input id=”green” name=”green” type=”range” min=”0″ max=”255″ step=”1″ value=”128″ onchange=”changeColor()”></input> <label for=”green”>green</label> … Read more

[Solved] Change color in RGB images

I have to agree with Majid Shirazi regarding the proposed solution by Quang Hong. Let’s have a look at: idx = np.where(img == (0.4, 0.4, 0.4)) Then, idx is a 3-tuple containing each a ndarray for all x-coordinates, y-coordinates, and “channel”-coordinates. From NumPy’s indexing, I can’t see a possibility to properly access/manipulate the values in … Read more

[Solved] Change drawable color on button on click

Drawable img = getContext().getResources().getDrawable( R.drawable.smiley ); img.setBounds( 0, 0, 60, 60 ); txtVw.setCompoundDrawables( img, null, null, null ); With this code, you can change a left drawable programatically. For the text color, please see Android documentation solved Change drawable color on button on click

[Solved] How I insert color in a border of EditText?

create a xml file with the below code into the drawable folder as “edittextborder.xml” <shape xmlns:android=”http://schemas.android.com/apk/res/android” android:shape=”rectangle”> <solid android:color=”#FDEEF4″ /> <corners android:radius=”15dp” /> <stroke android:width=”1dip” android:color=”#2B65EC” /> </shape> where #2B65EC represents the border of the edittext color. “#2B65EC” – ocean blue Also refer this one to the Edittext code as below one <EditText android:id=”@+id/password” android:layout_width=”200dp” … Read more

[Solved] How do I find a random color in C# [closed]

try in this way private static Random rand = new Random(); color= Color.FromArgb(this.rand.Next(256), this.rand.Next(256), this.rand.Next(256)); refer here for documentation about Color.FromArgb you can create the color in 3 differents overloads with this function (using only int32) one integer –> Creates a Color structure from a 32-bit ARGB value. three integers –> Creates a Color structure … Read more