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SDL_RenderCoordinatesFromWindow(3) SDL3 FUNCTIONS SDL_RenderCoordinatesFromWindow(3)

NAME

SDL_RenderCoordinatesFromWindow - Get a point in render coordinates when given a point in window coordinates.

SYNOPSIS

#include <SDL3/SDL_render.h>
bool SDL_RenderCoordinatesFromWindow(SDL_Renderer *renderer, float window_x, float window_y, float *x, float *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

the rendering context.
the x coordinate in window coordinates.
the y coordinate in window coordinates.
a pointer filled with the x coordinate in render coordinates.
a pointer filled with the y coordinate in render coordinates.

RETURN VALUE

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 3.2.14 Simple Directmedia Layer