Hi, Does somebody know the algorithm that is been used to fill or draw a Path2D (GraphicsPath in .NET) object with a Graphics2D-object (Graphics in .NET). The algorithm isn't public in the Java-sources and .NET isn't public at all. I want to use it for some fast image-operations. Thnx ...
I know how to draw a simple line: CGContextSetRGBStrokeColor(context, 1.0, 1.0, 1.0, 1.0); CGContextMoveToPoint(context, x, y); CGContextAddLineToPoint(context, x2, y2); CGContextStrokePath(context); And I know how to do a gradient rectangle, i.g.: CGColorSpaceRef myColorspace=CGColorSpaceCreateDeviceRGB(); size_t num_locations = 2; ...
Hi, Is there a way to draw a line on a graph (or at least get the position) on specific date? I have a graph where X is Date data, I want to draw a line with a text on each Year and each 3 months as reference, not part of the graph series. thanks. ...
Sometimes our application needs to draw very long strings (e.g. 6,000 chars) using ExtTextOut. Sometimes ExtTextOut fails and returns zero and GetLastError returns zero as well. To re-create the situation create a simple MFC Single Document application and then set the OnDraw to be: void CTestExtTextView::OnDraw(CDC* pDC) { CTestExtTe...
I am drawing a graph using the plot() function, but by default it doesn't show the axes. How do we enable showing the axes at x=0 and y=0 on the graph? Actually my graph is something like: And I want a horizontal line corresponding to y=0. How do I get that? ...
I'm looking for a Windows library/SDK that will allow me to do the following: Display video from a network stream Draw 2D elements on the displayed image in real time, such as lines, circles, text, etc. Use it in a commercial application (I don't mind paying for it) I'm willing to use any programming language or environment so there'...
I want to draw a 3d ball or sphere in html 5.0 canvas. I want to understand the Algorithm about how to draw 3d sphere. Who can share this with me? Thanks in advance ！ ...
Hi, I use ccTouchesBegan and ccTouchesEnded to draw a line. I want to draw a line when i drag the cursor(or finger) on screen. That mean, when i release the cursor, it will draw a line with the first point is the position which i has a first touch (ccTouchesBegan) and last point which i have when release (ccTouchesEnded). Here is my code...
Hi guys I'm attempting to draw polygons on a mapView. What I did was to add a transparent view on the main view, that matches the bounds of the mapView, and I draw over it. When I move the table it's ok, but when I zoom in and out the polygones 'bounce' on the Y axis (latitude) but the x axis is ok. What do you think? BTW I tried to a...
Hi guys, I have a view (MKMapView) and on it I've a transparent view on which I draw different things. Now I would like to give the user the option to erase things so that the "background view" (the mapView) will be seen in the erased places. Do you think it's possible? Thanks ...
How do I use DT_CALCRECT to determine my rectangle bottom and right coords? e.g I have this rect: RECT textPos; textPos.left = 100; textPos.right = 100; What do I do next to calculate the rect and draw the text? ...
Hi, I am trying to make an application for drawing shapes on screen by touching it. I can draw a line from one point to another- but it erases on each new draw. Here is my code: CGPoint location; CGContextRef context; CGPoint drawAtPoint; CGPoint lastPoint; -(void)awakeFromNib{ //[self addSubview:noteView]; } -(void)touchesMoved...
Hi! I need to display antialiased systemfonts (because the swf filesize must be small, therefore i can't embedd fonts). So I wrote this script in order to manually antialias the text Code: public function renderTextField():BitmapData{ var w:int = this["mainTextField"].textWidth+10; var h:int = this["mainTextField"].textHeight+10;...
How to draw bold/italic text with PIL? ImageFont.truetype(file, size) has an option to specify font size only. ...
Hi, I have a website which draws white (empty) content/text on IE 7. However, as soon as I mouse over links, they will appear, or if I open up an about box and move it above the content, the content will then be drawn. Does anyone have any ideas what this is about? I can't supply source as this is private. the site works across all web ...
Please see the image : Any idea how to do that? drawing an area. ...
Hi, I need do draw on Android's Canvas using Blur effect, it is a very simple feature, I need to draw a circular area, which is blurred (the foreground) and the background transparent, I can do everything with manipulating the colour alpha to do it with custom transparency but I need it to be blurred instead of transparent.. any ideas...
Hi, I develop a Python-based drawing program, Whyteboard (https://launchpad.net/whyteboard) I'm developing features to allow the user to rotate and scale a polygon that they draw. Here's my problem: I have a Polygon class containing a list of all points, which is "closed off" at the end. Users can select drawn shapes in my program, wh...
Hi everyone, I just wrote a Background class for a new project. The background is basically going to be 2 rounded rectangles with a simple stroke and fill color laid on top of each other. Anyways right now I'm just trying to draw out 1 rounded rectangle, but for some reason I don't see it anywhere on stage :( No errors and my traces tra...
Hi, Is it possible to draw shapes in a flash animation at runtime through PHP? If so, how can this be achieved? ...