Top "Pixel-manipulation" questions

How to set QImage pixel colour for an RGB888 image in Qt

I have an RGB888 format qImage defined as follows: myQrgb = QImage(img_in, width, height, QImage::Format_RGB888); I wish …

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qt rgb qimage pixel-manipulation
How do you simply obtain an array of pixel data from an image?

Thank you all for responding. I should have been more specific with my question. I looked at a number of …

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javascript html canvas pixel-manipulation
Buffered image pixel manipulation

I have this code: public Image toNegative() { int imageWidth = originalImage.getWidth(); int imageHeight = originalImage.getHeight(); int [] rgb = null; // new int[…

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java bufferedimage pixel-manipulation
Android image sharpening, saturation, hue, brightness, and contrast

I'm trying to create an app that will allow me to adjust the hue, saturation, brightness, contrast, and sharpness of …

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android image-processing android-image pixel-manipulation
Why is setting HTML5's CanvasPixelArray values ridiculously slow and how can I do it faster?

I am trying to do some dynamic visual effects using the HTML 5 canvas' pixel manipulation, but I am running into …

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javascript html canvas pixel-manipulation