dd7009690f
--HG-- extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%401856
204 lines
4.1 KiB
C
204 lines
4.1 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include "SDL.h"
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/* This is an example 16x16 cursor
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top left : black
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top right : inverted color or black
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bottom left: white
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bottom right: transparent
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(swap left and right for different endianness)
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*/
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Uint16 cursor_data[16]={
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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0xffff,
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0x0000,
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0x0000,
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0x0000,
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0x0000,
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0x0000,
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0x0000,
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0x0000,
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0x0000
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};
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Uint16 cursor_mask[16]={
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00,
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0xff00
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};
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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 *create_arrow_cursor()
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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 (arrow[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(arrow[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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int main(int argc, char *argv[])
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{
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SDL_Surface *screen;
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SDL_bool quit = SDL_FALSE, first_time = SDL_TRUE;
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SDL_Cursor *cursor[2];
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int current;
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/* Load the SDL library */
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if ( SDL_Init(SDL_INIT_VIDEO) < 0 ) {
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fprintf(stderr, "Couldn't initialize SDL: %s\n",SDL_GetError());
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return(1);
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}
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screen = SDL_SetVideoMode(320,200,8,SDL_ANYFORMAT);
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if (screen==NULL) {
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fprintf(stderr, "Couldn't initialize video mode: %s\n",SDL_GetError());
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return(1);
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}
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SDL_FillRect(screen, NULL, 0x664422);
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cursor[0] = SDL_CreateCursor((Uint8 *)cursor_data, (Uint8 *)cursor_mask,
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16, 16, 8, 8);
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if (cursor[0]==NULL) {
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fprintf(stderr, "Couldn't initialize test cursor: %s\n",SDL_GetError());
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SDL_Quit();
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return(1);
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}
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cursor[1] = create_arrow_cursor();
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if (cursor[1]==NULL) {
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fprintf(stderr, "Couldn't initialize arrow cursor: %s\n",SDL_GetError());
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SDL_FreeCursor(cursor[0]);
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SDL_Quit();
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return(1);
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}
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current = 0;
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SDL_SetCursor(cursor[current]);
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while (!quit) {
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SDL_Event event;
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while (SDL_PollEvent(&event)) {
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switch(event.type) {
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case SDL_MOUSEBUTTONDOWN:
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current = !current;
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SDL_SetCursor(cursor[current]);
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break;
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case SDL_KEYDOWN:
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if (event.key.keysym.sym == SDLK_ESCAPE) {
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quit = SDL_TRUE;
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}
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break;
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case SDL_QUIT:
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quit = SDL_TRUE;
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break;
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}
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}
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SDL_Flip(screen);
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SDL_Delay(1);
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}
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SDL_FreeCursor(cursor[0]);
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SDL_FreeCursor(cursor[1]);
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SDL_Quit();
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return(0);
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}
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