Create a color cursor.
SDL_Cursor* SDL_CreateColorCursor(SDL_Surface *surface,
int hot_x,
int hot_y);| surface | an SDL_Surface structure representing the cursor image |
| hot_x | the x position of the cursor hot spot |
| hot_y | the y position of the cursor hot spot |
Returns the new cursor on success or NULL on failure; call SDL_GetError() for more information.
This function is available since SDL 3.0.0.
#include "SDL.h"
int
main(int argc, char *argv[])
{
SDL_Window *window = NULL;
SDL_Renderer *renderer = NULL;
SDL_Surface *surface = NULL;
SDL_Cursor *cursor = NULL;
SDL_bool error = SDL_TRUE;
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
goto exit;
}
if (SDL_CreateWindowAndRenderer(640, 480, 0, &window, &renderer) < 0) {
goto exit;
}
surface = SDL_LoadBMP((1 < argc) ? argv[1] : "cursor.bmp");
if (!surface) {
goto exit;
}
cursor = SDL_CreateColorCursor(surface, 0, 0);
if (!cursor) {
goto exit;
}
SDL_SetCursor(cursor);
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
while (SDL_TRUE) {
SDL_Event event;
while (SDL_PollEvent(&event)) {
switch (event.type) {
case SDL_EVENT_MOUSE_BUTTON_UP:
case SDL_EVENT_QUIT:
error = SDL_FALSE;
goto exit;
}
}
SDL_RenderClear(renderer);
SDL_RenderPresent(renderer);
}
exit:
if (error) {
SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, "%s", SDL_GetError());
}
if (cursor) {
SDL_DestroyCursor(cursor);
}
if (surface) {
SDL_DestroySurface(surface);
}
if (renderer) {
SDL_DestroyRenderer(renderer);
}
if (window) {
SDL_DestroyWindow(window);
}
SDL_Quit();
return error;
}