matrix - Scale and mirror SVG object - Stack Overflow
2017年8月2日 · Meet "Tux" the pinguin. For the sake of this exercise I painted the letters "L" and "R" on his feet. For starters, let's paint Tux in the center of our canvas. If the canvas is size 500x500, and if Tux has a size of 100x100 we have to position him at (200,200). (i.e. the center minus half its size.)
Paint Pixels to Screen via Linux FrameBuffer - Stack Overflow
Test 3: Write a little app that grabs a prior dump of /dev/fb0 and modifies the colors of the pixels, eg, to remove the red component or augment the blue, or flip the red and green, etc. Then write back these pixels into a new file you can look at later via the simple shell approach of test 2.
Command Pattern for undo/redo in paint application
2014年12月11日 · The details of the paint operation for purposes of redo (e.g. Line -> start & end points, free form line -> GeneralPath) The state of the component prior to the change for undo. In this case, that will be a small snapshot image of the area affected by the command. My understanding based on that is that each command needs to be 'atomic' or self ...
Draw background of custom View from .png file on Android
2012年1月26日 · I can propose two ways of making such thing: 1) call internally View.setBackgroundDrawable () (previously you need to create BitmapDrawable from bitmap); 2) call g.drawBitmap () instead of g.setBitmap (). In this case you aren't replace canvas source, but draw into it. Yes, thnx, BitmapDrawable did the trick for me.
Android round image with picasso - Stack Overflow
2017年1月10日 · 1. You can use RoundedCornerTansformation from picasso like this :: final int radius = 5; final int margin = 5; final Transformation transformation = new RoundedCornersTransformation (radius,margin); Picasso.with (activity).load (uri).transform (transformation).into (fiv_image_view); answered Jan 3, 2017 at 6:04. Meenal.
c - What is stack smashing and how do I fix it? - Stack Overflow
2019年9月19日 · A stack, a first-in last-out circuit, is a form of buffer holding intermediate results of operations within it. To simplify, stack smashing putting more data into a stack than its holding capacity. Skilled hackers can deliberately introduce excessive data into the stack.
Ruby 'require' error: cannot load such file - Stack Overflow
2012年3月17日 · The other answers claim you should use require './tokenizer', but that is the wrong answer, because it will only work if you run your Ruby process in the same directory that tokenizer.rb is in. Pretty much the only reason to consider using require like that would be if you need to support Ruby 1.8, which doesn't have require_relative.
How to create a natural-looking line using css and maybe …
2012年7月1日 · You can upload the image and you will end up with html that presents this image. As you can see with the tux.jpg you get > 280kB in size in comparison to 3kB image. So as you can see it doesn't make sense. Neither does what you want to achieve. Just draw the line, save it as an image and put it on your website.
How to add a shadow and a border on circular imageView android?
2013年7月15日 · I modified the CircularImageView found here to achieve what you want. To create a shadow around the border, I simply used these two lines: this.setLayerType (LAYER_TYPE_SOFTWARE, paintBorder); paintBorder.setShadowLayer (4.0f, 0.0f, 2.0f, Color.BLACK); You need setLayerType due to hardware acceleration on HoneyComb and up.
How can I display a tux character in a shell script?
2014年12月28日 · According to Vim the character is: < > 57344, Hex e000, Octal 160000. U+E000 is a private use character. It shows up as some Chinese character for me (on Linux, ironically). U+E000, the first character of the Private Use Area, is a Tux symbol in the Linux Libertine and Linux Biolinum fonts.