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¶

renderer

the rendering context.

window_x

the x coordinate in window coordinates.

window_y

the y coordinate in window coordinates.

x

a pointer filled with the x coordinate in render coordinates.

y

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)