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How is hardware rendering done in SDL2?
In SDL2, hardware rendering is done via structures called SDL_Textureand SDL_Renderer. Texture is a general term used for the resources that are going to be used by the GPU for rendering purposes. SDL_Texturedon’t have any methods to get the image for rendering. In order to do that, we use SDL_Surface.
How to make an image smaller in SDL?
For TextRender, I specify the render dimensions by passing the menuSize SDL rect. this takes the 200×200 square and renders only the 120×160 of the square at the (XmenuRenderLocX, XmenuRenderLocY)… thus essentially cropping the square, which is not what I want… I want to resize the square. Any help will be greatly appreciated
What’s the SDL library for drawing an image?
Fortunately, SDL provides us a library called SDL_image herewhich is capable of loading many types of images. Just download it and equip it with your project like you did before, with the base SDL2 library.
Which is the third parameter in SDL _ image?
The third parameter is the portion of texture to render, type SDL_Rect* passing NULL take the entire texture. The fourth parameter is the destination of the texture to render, type SDL_Rect* passing NULL stretch the texture into the window. The last thing to do after the loop is to free the resources allocated.
Where do I put the image in SDL?
Place the image in your bin\\Debug folder, where your executable is located. Next, we need to create a texture. A texture is memory close to the graphics card (see image below), and we use SDL_CreateTextureFromSurface () to directly map our surface (which contains the image we loaded) to a texture.
How to create a menu in SDL game?
I want to create a menu for an SDL game, so I load an Image to an SDL_Window as the background, then I try to load the next image which will be a button but it doesn’t display the button to the window, it just displays the background. I’m a newbie so perhaps it is an obvious mistake.
What do you mean by texture in SDL?
Texture is a general term used for the resources that are going to be used by the GPU for rendering purposes. SDL_Texturedon’t have any methods to get the image for rendering. In order to do that, we use SDL_Surface.