test/testcursor.c
branchSDL-1.3
changeset 1708 cd14138a8703
--- /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);
+}