Mercurial > sdl-ios-xcode
diff test/testcursor.c @ 1708:cd14138a8703 SDL-1.3
Merged fix for bug #240 from SDL 1.2
author | Sam Lantinga <slouken@libsdl.org> |
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date | Sat, 24 Jun 2006 17:31:46 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/testcursor.c Sat Jun 24 17:31:46 2006 +0000 @@ -0,0 +1,223 @@ +#include <stdio.h> +#include <stdlib.h> + +#include "SDL.h" + +/* This is an example 16x16 cursor + top left : black + top right : inverted color or black + bottom left: white + bottom right: transparent + (swap left and right for different endianness) +*/ + +Uint16 cursor_data[16] = { + 0xffff, + 0xffff, + 0xffff, + 0xffff, + + 0xffff, + 0xffff, + 0xffff, + 0xffff, + + 0x0000, + 0x0000, + 0x0000, + 0x0000, + + 0x0000, + 0x0000, + 0x0000, + 0x0000 +}; + +Uint16 cursor_mask[16] = { + 0xff00, + 0xff00, + 0xff00, + 0xff00, + + 0xff00, + 0xff00, + 0xff00, + 0xff00, + + 0xff00, + 0xff00, + 0xff00, + 0xff00, + + 0xff00, + 0xff00, + 0xff00, + 0xff00 +}; + +/* another test cursor: smaller than 16x16, and with an odd height */ + +Uint8 small_cursor_data[11] = + { 0x00, 0x18, 0x08, 0x38, 0x44, 0x54, 0x44, 0x38, 0x20, 0x20, 0x00 }; +Uint8 small_cursor_mask[11] = + { 0x3C, 0x3C, 0x3C, 0x7C, 0xC6, 0xC6, 0xC6, 0x7C, 0x78, 0x70, 0x70 }; + +/* 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 * +create_arrow_cursor() +{ + 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 (arrow[4 + row][col]) { + case 'X': + data[i] |= 0x01; + mask[i] |= 0x01; + break; + case '.': + mask[i] |= 0x01; + break; + case ' ': + break; + } + } + } + sscanf(arrow[4 + row], "%d,%d", &hot_x, &hot_y); + return SDL_CreateCursor(data, mask, 32, 32, hot_x, hot_y); +} + + +int +main(int argc, char *argv[]) +{ + SDL_Surface *screen; + SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE; + SDL_Cursor *cursor[3]; + int current; + + /* Load the SDL library */ + if (SDL_Init(SDL_INIT_VIDEO) < 0) { + fprintf(stderr, "Couldn't initialize SDL: %s\n", SDL_GetError()); + return (1); + } + + screen = SDL_SetVideoMode(320, 200, 8, SDL_ANYFORMAT); + if (screen == NULL) { + fprintf(stderr, "Couldn't initialize video mode: %s\n", + SDL_GetError()); + return (1); + } + + SDL_FillRect(screen, NULL, 0x664422); + + cursor[0] = SDL_CreateCursor((Uint8 *) cursor_data, (Uint8 *) cursor_mask, + 16, 16, 8, 8); + if (cursor[0] == NULL) { + fprintf(stderr, "Couldn't initialize test cursor: %s\n", + SDL_GetError()); + SDL_Quit(); + return (1); + } + cursor[1] = create_arrow_cursor(); + if (cursor[1] == NULL) { + fprintf(stderr, "Couldn't initialize arrow cursor: %s\n", + SDL_GetError()); + SDL_FreeCursor(cursor[0]); + SDL_Quit(); + return (1); + } + cursor[2] = SDL_CreateCursor(small_cursor_data, small_cursor_mask, + 8, 11, 3, 5); + if (cursor[2] == NULL) { + fprintf(stderr, "Couldn't initialize test cursor: %s\n", + SDL_GetError()); + SDL_Quit(); + return (1); + } + + current = 0; + SDL_SetCursor(cursor[current]); + + while (!quit) { + SDL_Event event; + while (SDL_PollEvent(&event)) { + switch (event.type) { + case SDL_MOUSEBUTTONDOWN: + current = (current + 1) % 3; + SDL_SetCursor(cursor[current]); + break; + case SDL_KEYDOWN: + if (event.key.keysym.sym == SDLK_ESCAPE) { + quit = SDL_TRUE; + } + break; + case SDL_QUIT: + quit = SDL_TRUE; + break; + } + } + SDL_Flip(screen); + SDL_Delay(1); + } + + SDL_FreeCursor(cursor[0]); + SDL_FreeCursor(cursor[1]); + + SDL_Quit(); + return (0); +}