pixel

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Pixel Loading and Evaluating with PIL

I want to create a program that loads the RGB values of each pixel in a image and saves them in some kind of list/dictionary/tuple and then when I type in a value it tells me how much pixels in the im[详细]

2023-04-09 18:19 分类：问答
python program that scans a page for a specific combination of pixels?

I\'m trying to write a python program that will take a screen shot and then scan the image for a specific combination of pixels, or pattern. For example: it takes a screen shot of a web page and scans[详细]

2023-04-09 12:31 分类：问答
How to make sure information in pixels work on all screen sizes?

I have a Gallery with images of text, and a database that contains each text\'s position in the images..[详细]

2023-04-09 03:40 分类：问答
How to draw a pixel on the screen directly?

I\'m wanting to do something like the following: ... pixel[0,0] = [ 254, 0, 0 ] # Draw R at pixel x0y0 pixel[2,1] = [ 0, 254, 0 ] # Draw G at pixel x2y1[详细]

2023-04-08 20:37 分类：问答
Insert a single pixel into HTML5 canvas

I want 开发者_StackOverflow社区to insert a pixel with a color, and I use this code: context.fillStyle=\'RGB(\'+s[i]+\')\';[详细]

2023-04-08 05:41 分类：问答
How to set RGBA Color of a Pixel of an UIImage

I am looking for a possibility to set (change) the RGBA color of a Pixel of an UIImage for my Iphone Application. (I actually want to implement some f开发者_开发知识库loodfill stuff)[详细]

2023-04-07 03:51 分类：问答
How do I access a pixel in OpenCV?

I 开发者_Go百科have an x,y point coordinate, how would I use this to access a specific point on an IplImage?[详细]

2023-04-06 21:50 分类：问答
How to scale down blocks without causing pixel overlapping

I have a bunch of blocks that needs to be drawn into a grid. Now displaying them unscaled everything is fine but when I try to scale them down to fit withing a window I get \"scale-artifacts\" because[详细]

2023-04-06 20:21 分类：问答
Does 9 patch remove identical pixels to save space?

I\'m trying to find out the best size for my drawable 9 patch image. When exporting a png for later use in draw9patch, does it matter if I just keep the middle of a drawable just \'big\', or should I[详细]

2023-04-05 07:00 分类：问答
C# Getting the pixel data efficiently from System.Drawing.Bitmap

I have several (~2GB) raw 24bpp RGB files on HDD. Now I want to retrieve a portion of it and scale it to the desired size.[详细]

2023-04-04 04:16 分类：问答