| /* |
| Copyright (C) 1997-2016 Sam Lantinga <slouken@libsdl.org> |
| |
| This software is provided 'as-is', without any express or implied |
| warranty. In no event will the authors be held liable for any damages |
| arising from the use of this software. |
| |
| Permission is granted to anyone to use this software for any purpose, |
| including commercial applications, and to alter it and redistribute it |
| freely. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| |
| #ifdef __EMSCRIPTEN__ |
| #include <emscripten/emscripten.h> |
| #endif |
| |
| #include "SDL_test_common.h" |
| |
| /* Stolen from the mailing list */ |
| /* Creates a new mouse cursor from an XPM */ |
| |
| |
| /* XPM */ |
| static const char *arrow[] = { |
| /* width height num_colors chars_per_pixel */ |
| " 32 32 3 1", |
| /* colors */ |
| "X c #000000", |
| ". c #ffffff", |
| " c None", |
| /* pixels */ |
| "X ", |
| "XX ", |
| "X.X ", |
| "X..X ", |
| "X...X ", |
| "X....X ", |
| "X.....X ", |
| "X......X ", |
| "X.......X ", |
| "X........X ", |
| "X.....XXXXX ", |
| "X..X..X ", |
| "X.X X..X ", |
| "XX X..X ", |
| "X X..X ", |
| " X..X ", |
| " X..X ", |
| " X..X ", |
| " XX ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| " ", |
| "0,0" |
| }; |
| |
| static SDL_Cursor* |
| init_system_cursor(const char *image[]) |
| { |
| int i, row, col; |
| Uint8 data[4*32]; |
| Uint8 mask[4*32]; |
| int hot_x, hot_y; |
| |
| i = -1; |
| for (row=0; row<32; ++row) { |
| for (col=0; col<32; ++col) { |
| if (col % 8) { |
| data[i] <<= 1; |
| mask[i] <<= 1; |
| } else { |
| ++i; |
| data[i] = mask[i] = 0; |
| } |
| switch (image[4+row][col]) { |
| case 'X': |
| data[i] |= 0x01; |
| mask[i] |= 0x01; |
| break; |
| case '.': |
| mask[i] |= 0x01; |
| break; |
| case ' ': |
| break; |
| } |
| } |
| } |
| sscanf(image[4+row], "%d,%d", &hot_x, &hot_y); |
| return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y); |
| } |
| |
| static SDLTest_CommonState *state; |
| int done; |
| SDL_Cursor *cursor = NULL; |
| |
| /* Call this instead of exit(), so we can clean up SDL: atexit() is evil. */ |
| static void |
| quit(int rc) |
| { |
| SDLTest_CommonQuit(state); |
| exit(rc); |
| } |
| |
| void |
| loop() |
| { |
| int i; |
| SDL_Event event; |
| /* Check for events */ |
| while (SDL_PollEvent(&event)) { |
| SDLTest_CommonEvent(state, &event, &done); |
| } |
| |
| for (i = 0; i < state->num_windows; ++i) { |
| SDL_Renderer *renderer = state->renderers[i]; |
| SDL_RenderClear(renderer); |
| SDL_RenderPresent(renderer); |
| } |
| #ifdef __EMSCRIPTEN__ |
| if (done) { |
| emscripten_cancel_main_loop(); |
| } |
| #endif |
| } |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| int i; |
| |
| /* Enable standard application logging */ |
| SDL_LogSetPriority(SDL_LOG_CATEGORY_APPLICATION, SDL_LOG_PRIORITY_INFO); |
| |
| /* Initialize test framework */ |
| state = SDLTest_CommonCreateState(argv, SDL_INIT_VIDEO); |
| if (!state) { |
| return 1; |
| } |
| for (i = 1; i < argc;) { |
| int consumed; |
| |
| consumed = SDLTest_CommonArg(state, i); |
| if (consumed == 0) { |
| consumed = -1; |
| } |
| if (consumed < 0) { |
| SDL_Log("Usage: %s %s\n", argv[0], SDLTest_CommonUsage(state)); |
| quit(1); |
| } |
| i += consumed; |
| } |
| |
| if (!SDLTest_CommonInit(state)) { |
| quit(2); |
| } |
| |
| for (i = 0; i < state->num_windows; ++i) { |
| SDL_Renderer *renderer = state->renderers[i]; |
| SDL_SetRenderDrawColor(renderer, 0xA0, 0xA0, 0xA0, 0xFF); |
| SDL_RenderClear(renderer); |
| } |
| |
| cursor = init_system_cursor(arrow); |
| SDL_SetCursor(cursor); |
| |
| /* Main render loop */ |
| done = 0; |
| #ifdef __EMSCRIPTEN__ |
| emscripten_set_main_loop(loop, 0, 1); |
| #else |
| while (!done) { |
| loop(); |
| } |
| #endif |
| |
| SDL_FreeCursor(cursor); |
| quit(0); |
| |
| /* keep the compiler happy ... */ |
| return(0); |
| } |