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