I would like to capture a small part of a canvas as a bitmap. Is that possible? This is so that I can replace it after I draw another bitmap on that area. Once I am done with the bitmap I would like t
It\'s possible to access the alpha channel of a given bitmap with extractAlpha(), but I haven\'t been able to find any way to actually set the alpha channel of a bitmap.
I am not clear on the mechanics of native int开发者_JS百科erop. Suppose I do the following: IntPtr nativeArray = Marshal.AllocHGlobal(stride * height);
Given an array of bytes, width, height,开发者_Go百科 and a number of bits per pixel, what is the easiest way to create a WPF bitmap.You can create a WriteableBitmap as you know the width, height and B
Starting with a bitmap image .. Is there a 开发者_如何转开发trivial way to do this in cocoa I don\'t know about? (Like \"CAShapeLayer for images!\")?The easy way (which is certainly worth consideri
I would like to know if it is possible to use BitmapFactory.decodeFile method to decode a image from http location?
I\'ll explain my situation first: I\'m interested of using the Bitmap constructor that takes scan0, stride and format, because I\'m decoding tiled images and I\'d like to choose my own stride so I can
i converted the output XImage of my code to Bitmap, but the output file is massive, so i thought about compressing it using lzrw
I would like to know if it\'s possible to select coordinates from a path to draw a bitmap over time, for example, I have an ima开发者_开发技巧ge of a sun, and I would like to move it, over time, along
I want to be able to open either a .jpg, .gif or .bmp into a picturebox and make it a bitmap so i can draw on it, but at the moment it comes up with an error of \'Parameter is not valid\' when i run m
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