brush

问题 I'm trying to save brushed data to a variable on button click. I've read other questions but can't find the method to do it. Inside a script the following code works: t=0:0.2:25; x=sin(t); n=plot(t,x,'s'); brush on pause brushedData = find(get(n,'BrushData')); However, calling the function selectBrush does not work: function selectBrush() % Create data t=0:0.2:25; x=sin(t); % Create figure with points fig=figure(); n=plot(t,x,'s'); brush on; addBP = uicontrol(1,'Style', 'pushbutton',...

问题 I'm trying to create a Photoshop Panel for some actions, but I want to know how can I check if the brush already exist in photoshop and if not exist to call a function to install it before the action can be used, I already know how install it, and how run the actions, but I still got some issues detecting if the brush exist on Mac/Windows environment. Any tips about how do this using Javascript? (JSX) 回答1: You can get lists of brush or tool presets using this AM snippet. Note that several

来源： https://stackoverflow.com/questions/49169014/d3-js-v4-how-to-set-brush-programmatically

来源： https://stackoverflow.com/questions/49169014/d3-js-v4-how-to-set-brush-programmatically

来源： https://stackoverflow.com/questions/63789906/how-to-create-custom-brushes-in-android

问题 I'm having trouble to find the best way to draw the below shape. I'm using the below code to draw an Ellipse on visual layer. But how can I only brush the quarters? I think it can be done using LinearGradientBrush or RadialGradientBrush but I don't know how use it. var cntrpoint = space.FlipYAxis(x2, y2); dc.DrawEllipse(Brushes.Transparent, pen, cntrpoint, 30, 30); 回答1: Like this: var geometry = new GeometryGroup(); geometry.Children.Add(new RectangleGeometry(new Rect(1, 0, 1, 1))); geometry

问题 How can I create a brush (DrawingBrush) for stripes as shown in the blog: http://blog.pixelingene.com/2008/09/quick-tip-to-get-a-striped-background/ I can't use it because it uses scale transform, which means if the UI element is small, the stripes are pretty much not visible or too close together. I can't use image brush because I need to bind the colors. 回答1: Creates downward 45 degree angle stripe pattern. Alter viewport to change size of stripes <DrawingBrush Stretch="UniformToFill"

问题 I need idea how i can make brush who can color smudge. Example in picture: right side painting with basic brush with two different colors in left also painting but additional use smudge tool, the result should be something like left side I need advice how i can try to do it 回答1: You will need to manipulate pixels to achieve a smudge effect. You can get the pixel information from the canvas using context.getImageData . As the user moves an imaginary brush over existing pixels, you can mimic

问题 I have an ImageBrush and a SolidColorBrush. The thing is that I, now, want to set my canvas background with these properties. I can easily set my background to either my ImageBrush or my SolidColorBrush but can I do a sort of merge ? The thing is that my ImageBrush.Stretch is set to Uniform so I can see the background color behind ! (It wouldn't be the case with "Fill") Now, Brush is an abstract class so the solution I image is to extend it but that really is a lot of work for a thing that

问题 Basically, I have the following Delphi 2007 code (CustomDrawItem): procedure TForm1.ListViewCustomDrawItem(Sender: TCustomListView; Item: TListItem; State: TCustomDrawState; var DefaultDraw: Boolean); begin if (Item.SubItems[0] = '...') then ListView.Canvas.Brush.Color := clSkyBlue; end; On my Windows XP, everything works perfectly: But on Windows 7, here's what I have: Now, of course, I'd like to know what's the right code to fill these vertical white stripes. But also, I'd like to know why