compositing

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Stretching and overlaying bitmaps in C++

I\'m working with Vis. Std 2010 Cpp and I\'ve been trying to figure out how to create a bitmap from two existing bitmaps.[详细]

2023-04-06 03:46 分类：问答
Don't erase background for visual trace in Quartz Composer

I it possible NOT to clear the background in Quartz Composer? I want to move an image across the screen and keep it visible at the old positions to have some sort of trace effect.[详细]

2023-04-02 12:21 分类：问答
Real-time video compositing using HD footage, controlled by script

I have been asked to construct a system for showing non-linear artworks on an HD screen, I need to be able to mix multiple streams of video together (ie using alpha maps) in real time and I also need[详细]

2023-03-30 16:34 分类：问答
How does blending work with GLSL ES fragment shaders in WebGL?

I\'m trying to get a simple effect to display using WebGL. Naturally, this means I\'m using the fragment shader language defined in the GLSL ES 1.0 specification.[详细]

2023-03-08 18:36 分类：问答
Android view animation on top of GLSurfaceView is slow

We\'ve noticed that when you put Android views with view animation (nothing complex, just AlphaAnimation and TranslateAnimation) on top开发者_运维技巧 of a GLSurfaceView, the animation runs slowly (i.[详细]

2023-02-09 03:43 分类：问答
Queuing data into swapchain of IDirect3DDevice9

I am new to direct开发者_如何学编程3D . I am trying to write an image on direct3ddevice and get the same image in xrgb from it. I create a texture and get the surface from GetSurfaceLevel(). I use a i[详细]

2023-02-05 04:09 分类：问答
X11 and ARGB visuals: does DefaultDepth() never return 32?

I\'m establishing a connection to the X server like this: display = XOpenDisplay(NULL); screen = DefaultScreen(display);[详细]

2022-12-30 22:45 分类：问答
Help with MySQL query to select only records with specific value in column

I have following table: +--------+-----------+--------+ |ID|Title|Stat| +--------+-----------+--------+ |1|title a|1|[详细]

2022-12-18 13:22 分类：问答