drawing

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iOS: image drawing performance

I have several fundamental questions to clearify to myself, hope you\'ll help... I\'m developing a game application. It开发者_JAVA百科 has game loop and on each iteration i draw about 200 sprites. Wh[详细]

2023-03-23 10:37 分类：问答
Drawing a chart in WPF C# design questions

I had a project a month ago where I drew a stock chart in an application using Windows Forms. I did this by creating a bitmap that would stretch to the dimensions of the window. This would allow my ch[详细]

2023-03-23 05:38 分类：问答
Html5 Canvas drawing problem

The trouble is - when I mousedown, then mousemove(about 1-2px), the point, which I draw disappears. It is because I clear context each mousemove, but I dont know how to fix开发者_运维百科 it.Not quite[详细]

2023-03-22 22:32 分类：问答
Drawing a Linear Gradient in Quartz and turn it into a circle

I want to draw a Linear Gradient and turn it into a circle, so that it looks like this at the end. Since this isn\'t a开发者_运维技巧 usual linear gradient, nor a real radial gradient, I do not have[详细]

2023-03-22 12:48 分类：问答
javascript library for free form drawing

Is there a javascript library which lets me draw on a web page and then save the state of that drawing?[详细]

2023-03-22 09:14 分类：问答
Native PyGame method for automatically scaling inputs to a surface resolution?

This question is related to this other one. In my program (which uses pygame to draw objects on the video) I have two representation of my world:[详细]

2023-03-22 08:26 分类：问答
ruby gem to support drawing

Is there a ruby gem which has pens/paint brush and stuff so that one can draw on a site? If not, how can I start developing something like that?[详细]

2023-03-22 07:20 分类：问答
Does drawRect: automatically check whether something is within the bounds of the CGRect passed to it?

I\'m wondering whether I need to check if something is within the bounds of the CGRect passed to drawRect:, or if drawRect: automatically handles that for me.[详细]

2023-03-22 05:23 分类：问答
iOS: Standard rules to follow when implementing drawRect: with draggable objects

My app allows the user to drag circles around on a screen. I\'m wondering whether there are any standard steps to take in order to implement this, especially in regards to marking the correct areas of[详细]

2023-03-22 05:04 分类：问答
GeometryDrawing serialization/deserialization

There is a need to provide some sort of interface(save/edit/load) to dynamically generated styles that are formed from GeometryDrawings. The problem is distinction between them in situation they lack[详细]

2023-03-22 04:15 分类：问答