I\'m doing some work on an image processing app (for fun) and am struggling to fully understand how ColorMatrix transformations work. I get the basics of linear/affine transformations, and can get by
I use this code to draw a png into my device context: auto_ptr<Gdiplus::Graphics> g(Gdiplus::Graphics::FromHDC(pDC->GetSafeHdc()));
I am having a problem with converting the image from PNG to JPG. From jpg to jpg is very good but from PNG to jpg is having a pixelated problem. I\'ve already implemented the compression method into t
I have a rather large (30MB) image that I would like to take a small \"slice\" out of. The slice needs to represent a rotated portion of the original image.
I have a "donut" in a graphics path. I would like to draw a gradient along that path and control when a color starts and ends by a given start and end angle on the circle.
Simply what it says on the tin I\'m loading a bitmap from a file using Bitmap::FromFile but afterwards I want to delete it from the disk.
Actually, the subject. I haven\'t found any standard way to convert GDI+ Status (e开发者_高级运维rror status returned by GDI+ methods) to string, something like FormatMessage()If you want to convert l
Hi I need to create a bitmap file from an string, currently I\'m using Bitmap b = new Bitmap(106, 21);
Suppose I have a System.Drawing.Bitmap in 32bpp ARGB mode. It\'s a large bitmap, but it\'s mostly fully transparent pixels with a relatively small image somewhere in t开发者_如何学编程he middle.
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