I\'m trying to draw an animation on a window with a transparent background using Windows API. The problem is that I can\'t delete the previous drawing from the window.
I am opening a png image开发者_运维问答 into a Bitmap, making some modifications to it and then saving it to disk as a jpg.In the case where the png has some transparent areas, they are saved as black
I\'ve invested now more than a day looking for a solution on how to render transparent textures with OpenGL on Android. Obviously others had more luck than I but after trying various solutions (e.g. T
I have an UIView w开发者_JS百科hich has white background color set. I have set the blending mode of the CGContext of the UIView as \'kCGBlendModeCopy\'.
I have a couple of classes BitMask & BitMaskLarge that both implement an interface IBitMask that exposes functionality to perform bitwise logic operations, etc.The BitMask class contains the a pri
I was wondering how to change or modify the transparency of a Panel in C#, not the whole form, but the panel only.. I\'ve seen many C# tutorials on Opacity, but 开发者_运维百科its for the Form. im loo
I want to render particles with hexagons that fade out to the outside. I\'ve used a TRIANGLE_FAN for each particle.开发者_高级运维 However, the transparency doesn\'t look very nice.
My java J2SE application is reading a lot of (png) images from the web and some of them use features such as a transparency color for true-color images (tRNS section) that Sun\'s/Oracle\'s PNGImageRea
I\'m curious why calling setBackground(Color) on a JLayeredPane doesn\'t seem to actually set a background color. I would guess it has something to do with the JLayeredPane having to have a transparen
I have an image (let\'s call it original image) on which I want to watermark another image (let\'s call it logo).
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