Mercurial > sdl-ios-xcode
view test/testcursor.c @ 3971:aea2f9cd5b8e SDL-1.2
Fixed win32 event name list (WM_MOUSELAST was listed twice, one should be
WM_MOUSEWHEEL).
author | Ryan C. Gordon <icculus@icculus.org> |
---|---|
date | Sat, 16 Jun 2007 05:24:55 +0000 |
parents | e7d2858670c1 |
children |
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#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_FreeCursor(cursor[2]); SDL_Quit(); return(0); }