drawing
Overlay two images of different types
I need to overlay the following images: System.Windows.Controls.Image image1 System.Drawing.Bitmap image2;[详细]
2023-03-25 13:37 分类:问答Refreshing picture in drawingPanel extends JPanel
I have to load a small icon on the botton of my software. just to have a loading/ok/error icon. as sudgested on \"http://www.particle.kth.se/~lindsey/JavaCourse/Book/Part1/Java/Chapter06/images.html\"[详细]
2023-03-25 12:53 分类:问答overlapping partially transparent shapes in openGL
Please check this neat piece of code I found: glEnable(GL_LINE_SMOOTH); glColor4ub(0, 0, 0, 150); mmDrawCircle( ccp(100, 100), 20, 0, 50, NO);[详细]
2023-03-25 10:22 分类:问答How to erase previous drawing on Canvas?
I have a background image (a map) on which I need to regularly draw the you-are-here icon. I use Canvas to draw the icon on top of the map. Assuming that the drawing process is triggered on button cli[详细]
2023-03-25 08:55 分类:问答How to draw a freehand-looking ellipse or circle?
My question involves various techniques for drawing lines that appear to be freehand: How do you draw like a Crayon?[详细]
2023-03-25 07:41 分类:问答Android Drawable Drawing Performance?
In my view I have a simple ARGB drawable that takes about 2ms to draw but I can draw the same file as a bitmap in under 0.5ms (just some quick code, I 开发者_如何学运维can\'t really consider it an opt[详细]
2023-03-25 06:34 分类:问答Tips regarding high performance drawing in Android
Background I\'m writing a graphing library for an android application (yes yes, I know there are plenty out there but none that offer the customizability we need).[详细]
2023-03-24 13:30 分类:问答A problem with DrawRoundRect size
I\'m trying to create a custom button with ActionScript 3.0. I\'m suing a round rect as background, but I have a problem with it size.[详细]
2023-03-24 02:10 分类:问答Smoothing Free drawing in Html5 canvas
I am implementing free drawing with HTML5 canvas. Currently every thing is working fine. I am using moveTo() and lineTo() for every mousemove. I have to fine tune the drawing;[详细]
2023-03-24 00:36 分类:问答onDraw operation is not putting circle where I expect it
I am trying to do a simple GUI interaction - touch the screen and have a red ball move there from its previous position.Everything works great, except that my ball appears at an offset from where I in[详细]
2023-03-23 17:07 分类:问答