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Hey Family,i need help . how can create folders on c# visual studio

C# learning

9th May 2019, 5:06 PM
Stefano
5 odpowiedzi
+ 2
using System.IO; Directory.CreateDirectory("directory");
9th May 2019, 5:25 PM
id001x
id001x - avatar
0
C# Visual Studio? In your project? Or in Code?
9th May 2019, 9:20 PM
Daniel Adam
Daniel Adam - avatar
0
Project
30th May 2019, 11:41 AM
Stefano
0
Consider the code below carefully and then answer Q.1. public BufferedImage processImage(BufferedImage img){ int height =img.getHeight(); int width = img.getWidth(); int i,k; for(i =0;i<width;i++){ for(k=0;k<height;k++){ Color old = new Color(img.getRGB(i, k)); int r = (int)(old.getRed()*0.25); int gr = (int)(old.getGreen()*0.5); int b = (int)(old.getBlue()*0.25); Color nw=new Color(r+gr+b,r+gr+b,r+gr+b); img.setRGB(i, k, nw.getRGB()); }} return img; } Q. 1 a) What does the code above do? Why do you say so? (5 marks) b) What would be the effect of changing the co-efficients 0.25,0.5 and 0.25 to 0.1, 0.6 and 0.3 in the code above? (5marks) c) Image negatives are a form of point/pixel based image processing. Given an RGB pixel with the value (128,75,180), What would the RGB pixel value be if its negated? (5 marks)
30th May 2019, 6:49 PM
Stefano
0
I don't tested it, but i think next: a) this method change color of all pixels in img on color that create in this line "Color nw = new Color(....)" b) if you change coefficientes - you change saturation of color. But you must be cearful with it, if sum of color coefficient will bee more than 1 - it call exception , cause color channel is byte, and after sum it might've be more than 255. c) i find only one formula to negate img "G=(R+G+B)/3". And we must change RGB style to GrayScale. So if we paste values we get next G = (128+75+180)/3 = ~ 128
30th May 2019, 7:53 PM
id001x
id001x - avatar