I am creating screenshots under Windows and using the LockBits function from GDI+ to extract the pixel data, which will then be written to a file.
I\'ve been told that using GDI+ from ASP.NET is dange开发者_如何学Gorous and undefined. Is that because there is no guarantee of a Device Context?Can someone explain?
My program currently takes a 4 bpp (bits-per-pixel) TIFF as a Bitmap, converts it to a Graphic, adds some text strings, and then saves it out a开发者_JAVA技巧gain as a TIFF file. The output Bitmap.Sav
I have the following code to take a screenshot of a window, and开发者_C百科 get the colour of a specific pixel in it:
So here\'s my issue.I have an image that I need to shrink.The original image is a grayscale PNG, which isn\'t a huge issues except that when I shrink it down, the thermal label printers pickup the art
What is the best way to set the RGB components of every pixel in a System.Drawing.Bitmap to a single, solid color? If possible, I\'d like to avoid manually looping through each pixel to do this.
Is there a simple way to convert a System.Drawing.Pen into its unmanaged count开发者_JAVA技巧erpart? Like, if you had a Pen like this:
Should I dispose GDI+ object before its creation? Is recommended to always Dispose GDI+ object after using it.
So I have a winform that has some winforms controls on it. But in the center of it, I want to show a transparent number on top of everything. Say 60 pixels size.
I have started to toy around with GDI+ in Delphi 2009. Among the things that I wanted to do was to load a PNG resource and apply a Color Conversion to it when drawing it to the Graphics object. I am u