pixel

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Points, Pixels and Coordinate System in Cocoa Touch

I\'m currently developing an iPhone application. While dra开发者_如何学Gowing, I sometimes use coordinates like 35.5|23.5. I know that points aren\'t the same as pixels. However aren\'t these coordina[详细]

2023-03-29 09:07 分类：问答
Drawing Images on Html5 Canvas at floating point coordinates

As you know using rounded coordinates while drawing on canvas is faster. Also floating coordinates may cause unintended gaps on canvas. For example, you are drawing google map tiles to canvas, 256x256[详细]

2023-03-29 07:07 分类：问答
heap corruption when deconstructing sf::Image array

开发者_Go百科so I\'m trying to make a fade transition animation for an sf::Image in SFML, and I\'m have a small problem.[详细]

2023-03-28 23:06 分类：问答
Painting pixels images in Java

Which method is the best way to create a pixel image with java. Say, I want to create a pixel image with th开发者_运维问答e dimensions 200x200 which are 40.000 pixels in total. How can I create a pixe[详细]

2023-03-28 00:51 分类：问答
When my carousel animates to 10,000+ pixels, it flickers. Is it a jQuery issue?

When my carousel animates past 10000 pixels, it flickers through a bunch of elements. http://blossomsbnb.com/2011/test.php[详细]

2023-03-27 11:10 分类：问答
Generic algorithm to get and set the brightness of a pixel?

I\'ve been looking around for a simple algorithm to get and set the brightness of a pixel, but can\'t find anything - only research papers and complex libraries.[详细]

2023-03-27 00:23 分类：问答
Java Draw Image from Int Array

If you have an int a开发者_如何学JAVArray representing individual pixels\' RGB and Alpha values, how can I turn this into an image? Thanks in advance.You might want to use BufferedImage and setRGB met[详细]

2023-03-26 20:48 分类：问答
Objective-C / iphone - change Pixel Colour?

the aim of my project: user can change the color of a part to images by touching the screen, when he touch any area the color of this area should be changed[详细]

2023-03-26 20:30 分类：问答
How to get RGB values using Java

I\'m trying to get the pixels in RGB format of an image. I have the following code: public void writeColorImageValueToFile(BufferedImage in, String fileName)[详细]

2023-03-26 14:38 分类：问答
Android Bitmap setPixel doens't work correctly? (set value, then read a different value)

I u开发者_运维百科se setPixel() to set the pixel to a certain value, but then when I call getPixel on the same pixel right after it, it returns a different value.[详细]

2023-03-26 12:44 分类：问答