pixel

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C# Scanning an image for a certain block

I have a picture: size of 1000x1000 white with random black dots. (It may contain a black square (size 50x50))[详细]

2023-03-22 07:49 分类：问答
Get Pixel height of Centimetre unit CSS

We\'re writing our own web app and we need the user to have a (fairly) accurate visualisatio开发者_开发百科n of their printed documents on-screen. I\'m using the centimetre unit in CSS to try and repl[详细]

2023-03-22 03:58 分类：问答
Visual Basic.net RGB, Transparency and locate pixel

I am making an image modifying program and would like to know how (after I have located the .png, .gif, .bmp etc) I can identify the properties of a certain pixel (RGB and the amount of transparency),[详细]

2023-03-21 19:45 分类：问答
Pixel size for different browsers

Is the pixel size different for different browsers? For example <input type=\'bu开发者_运维知识库tton\' class=\'button2\' value=\'...\' />[详细]

2023-03-21 04:50 分类：问答
android: pixel Depth of device

I\'d like to know if it\'s possible to get the pixel depth (number of colours) of a device. with DisplayMetrics it is possible to know the resolution...[详细]

2023-03-20 02:19 分类：问答
Need help with PHP GD imagesetpixel()

$imageurl = \"kaptka.gif\"; $im = imagecreatefromgif($imageurl); $b = imagecolorallocate($im, 0, 0, 0);[详细]

2023-03-19 11:38 分类：问答
How to draw OpenCL calculated pixels to the screen with OpenGL?

I wan\'t to do some calculated pixelart with OpenCL and display this directly on the display without CPU roundtripping. I could use interoperability of OpenCL with OpenGL and write to the texture-bank[详细]

2023-03-19 10:40 分类：问答
Translate Colors to Image?

Im not sure how else I should approach it, but if I was to (in my mac application) have a grid of NSViews, which the user can change the colour of each, is it possible to then translate this, so now I[详细]

2023-03-17 06:38 分类：问答
I'd like to draw pixels on a window with mouse input

I\'ve done days of searching for a way to draw pixels to a window in java with mouse capture. I\'m looking for some framework I can just plug in. It seems like it would be so simple... Any help will b[详细]

2023-03-17 00:08 分类：问答
Get the width and height of a string in pixel (PHP)

Is there any good function to calculate the pixel width and height? Can imagettfbbox be used to do that? I mean which ttf file is needed for the different fonts used by differen开发者_JAVA技巧t browse[详细]

2023-03-16 06:21 分类：问答