blending

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Blending messages in and out with control or jquery

What would you suggest, if I wanted to blend text messages in and out (fade in and out) from codebehind ?[详细]

2023-01-12 07:41 分类：问答
OpenGL blending (Java)

I\'m writing some Java OpenGL code (though the principles are the same in C++ openGL). I have a situation where I want to render certain items on top o开发者_Go百科f others. I can do that by disable t[详细]

2023-01-04 12:28 分类：问答
Per-pixel per-component alpha blending in GDI

I have a 24-bit bitmaps with R, G, B color channels and a 24-bit bitmap with R, G, B alpha channels. I want to alpha blend the first bitmap to a HDC in GDI or RenderTarget in Direct2D with the alpha c[详细]

2023-01-01 02:09 分类：问答
Opengl: issue with masking

I\'m working on creating a hole in a wall using masking in opengl, my code is quit simple like this, //Draw the mask[详细]

2022-12-30 02:24 分类：问答
OpenGL paint program based on Apple's 'glPaint' on a white background - how to blend?

Trying to write a simple paint program for iPhone, and I\'m using Apple\'s glPaint sample as a guide.The only problem is, painting doesn\'t work on a white background, since white + colour = white.I\'[详细]

2022-12-29 08:04 分类：问答
What can we use instead of blending in OpenGL ES?

I am doing my iPhone graphics using OpenGL. In one of my projects, I need to use an image, which I need to use as a texture in OpenGL. The .png image is 512 * 512 in size, its background is transparen[详细]

2022-12-25 15:54 分类：问答
CGContextDrawImage returning bad access

I\'ve been trying to blend two UIImage for about 2 days now and I\'ve been getting some BAD_ACCESS errors. First of all, I have two images that have the same orientation, basically I\'m using the Core[详细]

2022-12-24 09:25 分类：问答
Alpha masks with OpenGL

I want to use an alpha mask in OpenGL so that white(1)=visible and black(0)=hidden. So what I do is I write something in the alpha component of the framebuffer using 开发者_如何学运维glColorMask(Fals[详细]

2022-12-17 21:24 分类：问答
What is the formula for extracting the src from a calculated blendmode?

How does one go about using a alpha blending formula to achieve the src rgb color from the resultant 开发者_Go百科of the 2 blended togetherWell, you can just reorder the alpha blending equation[详细]

2022-12-17 09:04 分类：问答
How do I use a mask to punch out my image?

I have a mask (loaded from a 256 grey PNG) that I want to apply to an image that\'s being used as part of my process for drawing a UITableViewCell\'s imageView.image property.[详细]

2022-12-14 00:22 分类：问答