Is there a way I can determine if an HDC uses alpha chan开发者_JS百科nel? I read Question 333559 and Question 685684, but their questions are about BITMAP. Apparently, some HDC has alpha channel (thou
I have a bitmap object and draw some curves on it by setpixel method. when I save this bitmap as jpg file, t开发者_如何学JAVAhe background of my picture is not a white surface. the background is trans
What I got is something like a screenshot making application. (managed to serialize, thank god!!!) When a button is clicked a screenshot is taken by accessing a handling classe\'s method. now the tric
I wrote a wxPython program that I am translating to wxWidgets.The program has a scrolled window that displays an image.Following Rappin, wxPython In Action (Listing 12.1), I used a StaticBitmap within
It\'s only for \'debugging\' purposes, so I don\'t want to spend a lot of time with this, nor it is very important. The program exports the data as a png, jpg, svg, etc... -so it\'s not a big deal, th
When I\'m retrieving image from the sqlite database my Bitmap object bm return null value can any one help me..?
I am using SampleGrabber in DirectShow on windows 7, I noticed that the Code supplied by Microsoft and many other providers dont work because the Bitmap data header reports that bitmap data is compres
I wrote some Lazarus code that loops through the menu items of the main menu and needs to see whether there\'s a bitmap assigned to each menu item.
As far as I can tell the only way to convert from BitmapSource to Bitmap is through unsafe code... Like this (from Lesters WPF blog):
So i have 3 images in a vertical field manager and each image is clickable and proceeds to the correct url. all 开发者_如何学Pythonthat works. the only problem at this time is that when i scroll (up o
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