SDL_RenderCoordinatesToWindow - Man Page
Get a point in window coordinates when given a point in render coordinates.
Synopsis
#include <SDL3/SDL_render.h> bool SDL_RenderCoordinatesToWindow(SDL_Renderer *renderer, float x, float y, float *window_x, float *window_y);
Description
This takes into account several states:
· The window dimensions.
· The logical presentation settings (SDL_SetRenderLogicalPresentation)
· The scale (SDL_SetRenderScale)
· The viewport (SDL_SetRenderViewport)
Function Parameters
- renderer
the rendering context.
- x
the x coordinate in render coordinates.
- y
the y coordinate in render coordinates.
- window_x
a pointer filled with the x coordinate in window coordinates.
- window_y
a pointer filled with the y coordinate in window coordinates.
Return Value
Returns true on success or false on failure; call SDL_GetError() for more information.
Thread Safety
This function should only be called on the main thread.
Availability
This function is available since SDL 3.2.0.
See Also
SDL_SetRenderLogicalPresentation(3), SDL_SetRenderScale(3), SDL_SetRenderViewport(3)