How to blit an image, in python, inside the area of a specific image . . . From what I have understood you want to blit an image onto another image: For this code to work the following premises are set: The folder which contains the program also contains the arbritary images named testimage png and testimage0 jpg; PyGame is installed; I have written the following piece of code which you can run if you follow the above
What is a Blit in SDL? - Stack Overflow * Blit the sprite onto the screen * SDL_RenderCopy(renderer, sprite, NULL, position); which explicitly says that SDL_RenderCopy is a way to blit In that example, the texture is created and sent to the GPU memory only once, and from then on it is reused efficiently, see also: Difference between surface and texture (SDL general)
Blitting for live update in Tkinter GUI - Stack Overflow blit() vs draw() has already been discussed here But since speed is of the essence for my application I think I have to blit Redrawing the plot gives me framerates of fps=10, whereas blitting runs almost 10x faster In any case - is there a way to update one of the axes (e g time axis) while using blit?
How can I blit my Pygame game onto an OpenGL surface? # Draw circles on the offscreen surface for circle in circles: circle draw(offscreen_surface) # Blit some text to the surface # Drawing text using a font is not very fast # Consider this to be more like test material
Python matplotlib blit and update a text - Stack Overflow The previous text still stays behind, because you never removed it - you just drew on top of it To prevent this, you should save the piece of figure where the text will be, then show the text, then, when the text has changed, restore the saved background and reshow the text
Blitting a surface onto another surface (SDL2, C++, VS2015) The SDL_BlitSurface takes in a source surface, a clip of that source surface, then the destination surface and a position where you want to display (blit) your source The last parameter thats passed to SDL_BlitSurface ignores the width and height, it just takes in the x an y Here is a quote from the documentation:
Blit Behaviour in FuncAnimate -Want to keep previous data However, I'm having trouble understanding how Blit works With each frame, I want to draw only the new data point on top of the old one It says that using Blit it should automatically update only the values that changed Thus, if I turn it on (blit=True) the previous data points should remain in my figure But this is not the case
pyglet - loading blitting image with alpha - Stack Overflow My main problem so far is that I can't seem to blit an image with alpha - all of the transparent pixels are converted into black pixels I'm not sure whether the problem is with the loading of the image or the blitting