Rev 465 | Rev 638 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
465 | serge | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
3 | ;; Copyright (C) KolibriOS team 2004-2007. All rights reserved. ;; |
||
4 | ;; Distributed under terms of the GNU General Public License ;; |
||
5 | ;; ;; |
||
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
221 | serge | 7 | |
593 | mikedld | 8 | $Revision: 593 $ |
9 | |||
10 | |||
221 | serge | 11 | LOAD_FROM_FILE equ 0 |
12 | LOAD_FROM_MEM equ 1 |
||
13 | LOAD_INDIRECT equ 2 |
||
14 | LOAD_SYSTEM equ 3 |
||
15 | |||
224 | serge | 16 | struc BITMAPINFOHEADER { |
17 | .biSize dd ? ; DWORD |
||
18 | .biWidth dd ? ; LONG |
||
19 | .biHeight dd ? ; LONG |
||
20 | .biPlanes dw ? ; WORD |
||
21 | .biBitCount dw ? ; WORD |
||
22 | .biCompression dd ? ; DWORD |
||
23 | .biSizeImage dd ? ; DWORD |
||
24 | .biXPelsPerMeter dd ? ; LONG |
||
25 | .biYPelsPerMeter dd ? ; LONG |
||
26 | .biClrUsed dd ? ; DWORD |
||
27 | .biClrImportant dd ? ; DWORD |
||
28 | } |
||
29 | |||
30 | virtual at 0 |
||
31 | BI BITMAPINFOHEADER |
||
32 | end virtual |
||
33 | |||
221 | serge | 34 | align 4 |
35 | proc vesa_init_cursor stdcall, dst:dword, src:dword |
||
36 | locals |
||
37 | rBase dd ? |
||
38 | pQuad dd ? |
||
39 | pBits dd ? |
||
40 | pAnd dd ? |
||
41 | width dd ? |
||
42 | height dd ? |
||
43 | counter dd ? |
||
44 | endl |
||
45 | |||
46 | mov esi, [src] |
||
224 | serge | 47 | add esi,[esi+18] |
48 | mov eax,esi |
||
221 | serge | 49 | |
224 | serge | 50 | cmp [esi+BI.biBitCount], 24 |
51 | je .img_24 |
||
233 | serge | 52 | cmp [esi+BI.biBitCount], 8 |
53 | je .img_8 |
||
54 | cmp [esi+BI.biBitCount], 4 |
||
55 | je .img_4 |
||
56 | |||
57 | .img_2: |
||
58 | add eax, [esi] |
||
59 | mov [pQuad],eax |
||
60 | add eax,8 |
||
61 | mov [pBits],eax |
||
62 | add eax, 128 |
||
63 | mov [pAnd],eax |
||
64 | mov eax,[esi+4] |
||
65 | mov [width],eax |
||
66 | mov ebx,[esi+8] |
||
67 | shr ebx,1 |
||
68 | mov [height],ebx |
||
69 | |||
70 | mov edi, [dst] |
||
71 | add edi, 32*31*4 |
||
72 | mov [rBase],edi |
||
73 | |||
74 | mov esi,[pQuad] |
||
75 | .l21: |
||
76 | mov ebx, [pBits] |
||
77 | mov ebx, [ebx] |
||
78 | bswap ebx |
||
79 | mov eax, [pAnd] |
||
80 | mov eax, [eax] |
||
81 | bswap eax |
||
82 | mov [counter], 32 |
||
83 | @@: |
||
84 | xor edx, edx |
||
85 | shl eax,1 |
||
86 | setc dl |
||
87 | dec edx |
||
88 | |||
89 | xor ecx, ecx |
||
90 | shl ebx,1 |
||
91 | setc cl |
||
92 | mov ecx, [esi+ecx*4] |
||
93 | and ecx, edx |
||
94 | and edx, 0xFF000000 |
||
95 | or edx, ecx |
||
96 | mov [edi], edx |
||
97 | |||
98 | add edi, 4 |
||
99 | dec [counter] |
||
100 | jnz @B |
||
101 | |||
102 | add [pBits], 4 |
||
103 | add [pAnd], 4 |
||
104 | mov edi,[rBase] |
||
105 | sub edi,128 |
||
106 | mov [rBase],edi |
||
107 | sub [height],1 |
||
108 | jnz .l21 |
||
109 | ret |
||
110 | |||
224 | serge | 111 | .img_4: |
221 | serge | 112 | add eax, [esi] |
113 | mov [pQuad],eax |
||
114 | add eax,64 |
||
115 | mov [pBits],eax |
||
116 | add eax, 0x200 |
||
117 | mov [pAnd],eax |
||
118 | mov eax,[esi+4] |
||
119 | mov [width],eax |
||
120 | mov ebx,[esi+8] |
||
121 | shr ebx,1 |
||
122 | mov [height],ebx |
||
123 | |||
124 | mov edi, [dst] |
||
125 | add edi, 32*31*4 |
||
126 | mov [rBase],edi |
||
127 | |||
233 | serge | 128 | mov esi,[pQuad] |
221 | serge | 129 | mov ebx, [pBits] |
233 | serge | 130 | .l4: |
131 | mov eax, [pAnd] |
||
132 | mov eax, [eax] |
||
221 | serge | 133 | bswap eax |
134 | mov [counter], 16 |
||
135 | @@: |
||
136 | xor edx, edx |
||
137 | shl eax,1 |
||
138 | setc dl |
||
139 | dec edx |
||
140 | |||
233 | serge | 141 | movzx ecx, byte [ebx] |
142 | and cl, 0xF0 |
||
221 | serge | 143 | shr ecx, 2 |
233 | serge | 144 | mov ecx, [esi+ecx] |
221 | serge | 145 | and ecx, edx |
146 | and edx, 0xFF000000 |
||
147 | or edx, ecx |
||
148 | mov [edi], edx |
||
149 | |||
150 | xor edx, edx |
||
151 | shl eax,1 |
||
152 | setc dl |
||
153 | dec edx |
||
154 | |||
233 | serge | 155 | movzx ecx, byte [ebx] |
156 | and cl, 0x0F |
||
157 | mov ecx, [esi+ecx*4] |
||
221 | serge | 158 | and ecx, edx |
159 | and edx, 0xFF000000 |
||
160 | or edx, ecx |
||
161 | mov [edi+4], edx |
||
162 | |||
163 | inc ebx |
||
164 | add edi, 8 |
||
165 | dec [counter] |
||
166 | jnz @B |
||
167 | |||
233 | serge | 168 | add [pAnd], 4 |
221 | serge | 169 | mov edi,[rBase] |
170 | sub edi,128 |
||
171 | mov [rBase],edi |
||
172 | sub [height],1 |
||
233 | serge | 173 | jnz .l4 |
221 | serge | 174 | ret |
233 | serge | 175 | .img_8: |
176 | add eax, [esi] |
||
177 | mov [pQuad],eax |
||
178 | add eax,1024 |
||
179 | mov [pBits],eax |
||
180 | add eax, 1024 |
||
181 | mov [pAnd],eax |
||
182 | mov eax,[esi+4] |
||
183 | mov [width],eax |
||
184 | mov ebx,[esi+8] |
||
185 | shr ebx,1 |
||
186 | mov [height],ebx |
||
187 | |||
188 | mov edi, [dst] |
||
189 | add edi, 32*31*4 |
||
190 | mov [rBase],edi |
||
191 | |||
192 | mov esi,[pQuad] |
||
193 | mov ebx, [pBits] |
||
194 | .l81: |
||
195 | mov eax, [pAnd] |
||
196 | mov eax, [eax] |
||
197 | bswap eax |
||
198 | mov [counter], 32 |
||
199 | @@: |
||
200 | xor edx, edx |
||
201 | shl eax,1 |
||
202 | setc dl |
||
203 | dec edx |
||
204 | |||
205 | movzx ecx, byte [ebx] |
||
206 | mov ecx, [esi+ecx*4] |
||
207 | and ecx, edx |
||
208 | and edx, 0xFF000000 |
||
209 | or edx, ecx |
||
210 | mov [edi], edx |
||
211 | |||
212 | inc ebx |
||
213 | add edi, 4 |
||
214 | dec [counter] |
||
215 | jnz @B |
||
216 | |||
217 | add [pAnd], 4 |
||
218 | mov edi,[rBase] |
||
219 | sub edi,128 |
||
220 | mov [rBase],edi |
||
221 | sub [height],1 |
||
222 | jnz .l81 |
||
223 | ret |
||
224 | serge | 224 | .img_24: |
225 | add eax, [esi] |
||
226 | mov [pQuad],eax |
||
227 | add eax, 0xC00 |
||
228 | mov [pAnd],eax |
||
229 | mov eax,[esi+BI.biWidth] |
||
230 | mov [width],eax |
||
231 | mov ebx,[esi+BI.biHeight] |
||
232 | shr ebx,1 |
||
233 | mov [height],ebx |
||
234 | |||
235 | mov edi, [dst] |
||
236 | add edi, 32*31*4 |
||
237 | mov [rBase],edi |
||
238 | |||
239 | mov esi,[pAnd] |
||
240 | mov ebx, [pQuad] |
||
241 | .row_24: |
||
242 | mov eax, [esi] |
||
243 | bswap eax |
||
244 | mov [counter], 32 |
||
245 | @@: |
||
246 | xor edx, edx |
||
247 | shl eax,1 |
||
248 | setc dl |
||
249 | dec edx |
||
250 | |||
251 | mov ecx, [ebx] |
||
252 | and ecx, 0x00FFFFFF |
||
253 | and ecx, edx |
||
254 | and edx, 0xFF000000 |
||
255 | or edx, ecx |
||
256 | mov [edi], edx |
||
257 | add ebx, 3 |
||
258 | add edi, 4 |
||
259 | dec [counter] |
||
260 | jnz @B |
||
261 | |||
262 | add esi, 4 |
||
263 | mov edi,[rBase] |
||
264 | sub edi,128 |
||
265 | mov [rBase],edi |
||
266 | sub [height],1 |
||
267 | jnz .row_24 |
||
268 | ret |
||
221 | serge | 269 | endp |
270 | |||
271 | align 4 |
||
227 | serge | 272 | proc set_cursor stdcall, hcursor:dword |
273 | mov eax, [hcursor] |
||
230 | serge | 274 | cmp [eax+CURSOR.magic], 'CURS' |
275 | jne .fail |
||
281 | serge | 276 | ; cmp [eax+CURSOR.size], CURSOR_SIZE |
277 | ; jne .fail |
||
465 | serge | 278 | mov ebx, [current_slot] |
279 | xchg eax, [ebx+APPDATA.cursor] |
||
227 | serge | 280 | ret |
230 | serge | 281 | .fail: |
282 | mov eax, [def_cursor] |
||
465 | serge | 283 | mov ebx, [current_slot] |
284 | xchg eax, [ebx+APPDATA.cursor] |
||
230 | serge | 285 | ret |
227 | serge | 286 | endp |
221 | serge | 287 | |
281 | serge | 288 | ; param |
289 | ; eax= pid |
||
290 | ; ebx= src |
||
291 | ; ecx= flags |
||
227 | serge | 292 | |
281 | serge | 293 | vesa_cursor: |
294 | .src equ esp |
||
295 | .flags equ esp+4 |
||
296 | .hcursor equ esp+8 |
||
297 | |||
298 | sub esp, 4 ;space for .hcursor |
||
299 | push ecx |
||
300 | push ebx |
||
301 | |||
302 | mov ebx, eax |
||
303 | mov eax, CURSOR_SIZE |
||
304 | call create_kernel_object |
||
305 | test eax, eax |
||
306 | jz .fail |
||
307 | |||
308 | mov [.hcursor],eax |
||
309 | |||
310 | xor ebx, ebx |
||
311 | mov [eax+CURSOR.magic], 'CURS' |
||
312 | mov [eax+CURSOR.destroy], destroy_cursor |
||
313 | mov [eax+CURSOR.hot_x], ebx |
||
314 | mov [eax+CURSOR.hot_y], ebx |
||
315 | |||
227 | serge | 316 | stdcall kernel_alloc, 0x1000 |
221 | serge | 317 | test eax, eax |
318 | jz .fail |
||
319 | |||
281 | serge | 320 | mov edi, [.hcursor] |
227 | serge | 321 | mov [edi+CURSOR.base], eax |
221 | serge | 322 | |
281 | serge | 323 | mov esi, [.src] |
324 | mov ebx, [.flags] |
||
227 | serge | 325 | cmp bx, LOAD_INDIRECT |
326 | je .indirect |
||
221 | serge | 327 | |
227 | serge | 328 | movzx ecx, word [esi+10] |
329 | movzx edx, word [esi+12] |
||
330 | mov [edi+CURSOR.hot_x], ecx |
||
331 | mov [edi+CURSOR.hot_y], edx |
||
221 | serge | 332 | |
227 | serge | 333 | stdcall vesa_init_cursor, eax, esi |
281 | serge | 334 | mov eax, [.hcursor] |
221 | serge | 335 | .fail: |
281 | serge | 336 | add esp, 12 |
221 | serge | 337 | ret |
227 | serge | 338 | .indirect: |
339 | shr ebx, 16 |
||
340 | movzx ecx, bh |
||
341 | movzx edx, bl |
||
342 | mov [eax+CURSOR.hot_x], ecx |
||
343 | mov [eax+CURSOR.hot_y], edx |
||
221 | serge | 344 | |
227 | serge | 345 | xchg edi, eax |
346 | mov ecx, 1024 |
||
347 | cld |
||
348 | rep movsd |
||
281 | serge | 349 | add esp, 12 |
221 | serge | 350 | ret |
351 | |||
352 | align 4 |
||
353 | proc load_cursor stdcall, src:dword, flags:dword |
||
354 | locals |
||
355 | handle dd ? |
||
356 | endl |
||
357 | |||
227 | serge | 358 | xor eax, eax |
359 | mov [handle], eax |
||
360 | cmp word [flags], LOAD_FROM_FILE |
||
361 | jne @F |
||
221 | serge | 362 | |
363 | stdcall load_file, [src] |
||
364 | test eax, eax |
||
365 | jz .exit |
||
366 | mov [src], eax |
||
227 | serge | 367 | @@: |
281 | serge | 368 | mov eax, [CURRENT_TASK] |
369 | shl eax, 5 |
||
379 | serge | 370 | mov eax, [CURRENT_TASK+eax+4] |
281 | serge | 371 | mov ebx, [src] |
372 | mov ecx, [flags] |
||
373 | call [create_cursor] ;eax, ebx, ecx |
||
221 | serge | 374 | mov [handle], eax |
227 | serge | 375 | .fail: |
376 | cmp word [flags], LOAD_FROM_FILE |
||
377 | jne .exit |
||
221 | serge | 378 | stdcall kernel_free, [src] |
227 | serge | 379 | .exit: |
221 | serge | 380 | mov eax, [handle] |
381 | ret |
||
382 | endp |
||
383 | |||
384 | align 4 |
||
233 | serge | 385 | proc delete_cursor stdcall, hcursor:dword |
386 | locals |
||
387 | hsrv dd ? |
||
388 | io_code dd ? |
||
389 | input dd ? |
||
390 | inp_size dd ? |
||
391 | output dd ? |
||
392 | out_size dd ? |
||
393 | endl |
||
394 | |||
395 | mov esi, [hcursor] |
||
396 | cmp [esi+CURSOR.magic], 'CURS' |
||
397 | jne .fail |
||
281 | serge | 398 | ; cmp [esi+CURSOR.size], CURSOR_SIZE |
399 | ; jne .fail |
||
233 | serge | 400 | |
401 | mov ebx, [CURRENT_TASK] |
||
402 | shl ebx, 5 |
||
379 | serge | 403 | mov ebx, [CURRENT_TASK+ebx+4] |
233 | serge | 404 | cmp ebx, [esi+CURSOR.pid] |
405 | jne .fail |
||
406 | |||
465 | serge | 407 | mov ebx, [current_slot] |
408 | cmp esi, [ebx+APPDATA.cursor] |
||
233 | serge | 409 | jne @F |
410 | mov eax, [def_cursor] |
||
465 | serge | 411 | mov [ebx+APPDATA.cursor], eax |
233 | serge | 412 | @@: |
413 | mov eax, [hcursor] |
||
281 | serge | 414 | call [eax+APPOBJ.destroy] |
233 | serge | 415 | .fail: |
416 | ret |
||
417 | endp |
||
418 | |||
281 | serge | 419 | ; param |
420 | ; eax= cursor |
||
421 | |||
233 | serge | 422 | align 4 |
281 | serge | 423 | destroy_cursor: |
424 | |||
425 | push eax |
||
426 | stdcall kernel_free, [eax+CURSOR.base] |
||
427 | pop eax |
||
428 | |||
429 | call destroy_kernel_object |
||
430 | ret |
||
431 | |||
432 | align 4 |
||
221 | serge | 433 | proc init_cursors |
381 | serge | 434 | cmp [SCR_MODE],word 0x13 |
233 | serge | 435 | jbe .fail |
436 | |||
221 | serge | 437 | movzx eax, byte [ScreenBPP] |
381 | serge | 438 | mov ebx, [BytesPerScanLine] |
221 | serge | 439 | cmp eax, 32 |
440 | jne @F |
||
441 | sub ebx, 128 |
||
442 | jmp .init |
||
443 | @@: |
||
444 | cmp eax, 24 |
||
445 | jne .fail |
||
446 | sub ebx, 96 |
||
447 | .init: |
||
448 | mov [cur_def_interl], ebx |
||
449 | |||
346 | diamond | 450 | stdcall load_driver, szHwMouse |
233 | serge | 451 | mov [hw_cursor], eax |
227 | serge | 452 | test eax, eax |
453 | jz .sw_mouse |
||
454 | |||
221 | serge | 455 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
456 | mov [def_cursor], eax |
||
227 | serge | 457 | ret |
458 | .sw_mouse: |
||
459 | mov [create_cursor], vesa_cursor |
||
221 | serge | 460 | |
227 | serge | 461 | stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM |
462 | mov [def_cursor], eax |
||
463 | |||
381 | serge | 464 | mov ecx, [ScreenWidth] |
465 | mov edx, [ScreenHeight] |
||
221 | serge | 466 | inc ecx |
467 | inc edx |
||
468 | mov [scr_width], ecx |
||
469 | mov [scr_height], edx |
||
470 | |||
471 | movzx ebx, byte [ScreenBPP] |
||
472 | cmp ebx, 32 |
||
473 | jne @F |
||
474 | |||
475 | mov dword [set_hw_cursor], cursor_32 |
||
476 | mov dword [hw_restore], restore_32 |
||
477 | ret |
||
478 | @@: |
||
479 | mov dword [set_hw_cursor], cursor_24 |
||
480 | mov dword [hw_restore], restore_24 |
||
481 | ret |
||
482 | .fail: |
||
483 | xor eax, eax |
||
484 | mov dword [set_hw_cursor], eax |
||
485 | mov dword [hw_restore], eax |
||
486 | ret |
||
487 | endp |
||
488 | |||
489 | align 4 |
||
490 | proc restore_24 stdcall, x:dword, y:dword |
||
491 | locals |
||
492 | w dd ? |
||
493 | endl |
||
494 | |||
495 | mov edi, [cur_saved_base] |
||
496 | mov edx, [cur_saved_h] |
||
497 | mov ebx, [cur_saved_interl] |
||
498 | |||
499 | mov esi, cur_saved_data |
||
500 | @@: |
||
501 | mov ecx, [cur_saved_w] |
||
502 | lea ecx, [ecx+ecx*2] |
||
503 | rep movsb |
||
504 | add edi, ebx |
||
505 | dec edx |
||
506 | jnz @B |
||
507 | ret |
||
508 | endp |
||
509 | |||
510 | align 4 |
||
511 | proc restore_32 stdcall, x:dword, y:dword |
||
512 | locals |
||
513 | w dd ? |
||
514 | endl |
||
515 | |||
516 | mov edi, [cur_saved_base] |
||
517 | mov edx, [cur_saved_h] |
||
518 | mov ebx, [cur_saved_interl] |
||
519 | |||
520 | mov esi, cur_saved_data |
||
521 | @@: |
||
522 | mov ecx, [cur_saved_w] |
||
523 | rep movsd |
||
524 | add edi, ebx |
||
525 | dec edx |
||
526 | jnz @B |
||
527 | ret |
||
528 | endp |
||
529 | |||
530 | align 4 |
||
531 | proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword |
||
532 | locals |
||
533 | w dd ? |
||
534 | h dd ? |
||
535 | st dd ? |
||
536 | _dx dd ? |
||
537 | _dy dd ? |
||
538 | endl |
||
539 | |||
540 | mov esi, [hcursor] |
||
541 | mov ecx, [x] |
||
542 | mov eax, [y] |
||
543 | mov ebx, [BytesPerScanLine] |
||
544 | |||
545 | xor edx, edx |
||
546 | sub ecx, [esi+CURSOR.hot_x] |
||
547 | mov [x], ecx |
||
548 | sets dl |
||
549 | dec edx |
||
550 | and ecx, edx ;clip x to 0<=x |
||
551 | mov edi, ecx |
||
552 | sub edi, [x] |
||
553 | mov [_dx], edi |
||
554 | |||
555 | xor edx, edx |
||
556 | sub eax, [esi+CURSOR.hot_y] |
||
557 | mov [y], eax |
||
558 | sets dl |
||
559 | dec edx |
||
560 | and eax, edx ;clip y to 0<=y |
||
561 | mov edi, eax |
||
562 | sub edi, [y] |
||
563 | mov [_dy], edi |
||
564 | |||
565 | mul ebx |
||
566 | lea esi, [ecx+ecx*2] |
||
567 | add esi, [LFBAddress] |
||
568 | add esi, eax |
||
569 | mov [cur_saved_base],esi |
||
570 | |||
571 | mov edi, [scr_width] |
||
572 | mov edx, [scr_height] |
||
573 | mov eax, 32 |
||
574 | |||
575 | sub edi, ecx |
||
576 | cmp edi, eax |
||
224 | serge | 577 | jng @F |
578 | mov edi, eax |
||
579 | @@: |
||
221 | serge | 580 | sub edi, [_dx] |
581 | |||
582 | sub edx, [y] |
||
583 | cmp edx, eax |
||
224 | serge | 584 | jng @F |
585 | mov edx, eax |
||
586 | @@: |
||
221 | serge | 587 | sub edx, [_dy] |
588 | |||
589 | mov [w], edi |
||
590 | mov [h], edx |
||
591 | mov [cur_saved_w], edi |
||
592 | mov [cur_saved_h], edx |
||
593 | |||
594 | sub eax, edi |
||
224 | serge | 595 | shl eax, 2 ;lea eax, [eax+eax*2] |
221 | serge | 596 | lea edi, [edi+edi*2] |
597 | sub ebx, edi |
||
598 | mov [cur_saved_interl], ebx |
||
599 | |||
600 | mov edi, cur_saved_data |
||
601 | @@: |
||
602 | mov ecx, [w] |
||
603 | lea ecx, [ecx+ecx*2] |
||
604 | rep movsb |
||
605 | add esi, ebx |
||
606 | dec edx |
||
607 | jnz @B |
||
608 | |||
609 | ;draw cursor |
||
610 | mov edx, eax |
||
611 | mov edi, [cur_saved_base] |
||
612 | mov eax, [_dy] |
||
613 | shl eax, 5 |
||
614 | add eax, [_dx] |
||
615 | shl eax, 2 |
||
616 | |||
617 | mov esi, [hcursor] |
||
618 | mov esi, [esi+CURSOR.base] |
||
619 | add esi, eax |
||
620 | .row: |
||
621 | mov ecx, [w] |
||
622 | .pix: |
||
623 | lodsd |
||
624 | test eax, 0xFF000000 |
||
625 | jz @F |
||
626 | |||
627 | mov word [edi], ax |
||
628 | shr eax, 16 |
||
629 | mov [edi+2],al |
||
630 | @@: |
||
631 | add edi, 3 |
||
632 | dec ecx |
||
633 | jnz .pix |
||
634 | |||
635 | add esi, edx |
||
636 | add edi, ebx |
||
637 | dec [h] |
||
638 | jnz .row |
||
639 | ret |
||
640 | endp |
||
641 | |||
642 | align 4 |
||
643 | proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword |
||
644 | locals |
||
645 | w dd ? |
||
646 | h dd ? |
||
647 | st dd ? |
||
648 | _dx dd ? |
||
649 | _dy dd ? |
||
650 | endl |
||
651 | |||
652 | mov esi, [hcursor] |
||
653 | mov ecx, [x] |
||
654 | mov eax, [y] |
||
655 | mov ebx, [BytesPerScanLine] |
||
656 | |||
657 | xor edx, edx |
||
658 | sub ecx, [esi+CURSOR.hot_x] |
||
659 | mov [x], ecx |
||
660 | sets dl |
||
661 | dec edx |
||
662 | and ecx, edx ;clip x to 0<=x |
||
663 | mov edi, ecx |
||
664 | sub edi, [x] |
||
665 | mov [_dx], edi |
||
666 | |||
667 | xor edx, edx |
||
668 | sub eax, [esi+CURSOR.hot_y] |
||
669 | mov [y], eax |
||
670 | sets dl |
||
671 | dec edx |
||
672 | and eax, edx ;clip y to 0<=y |
||
673 | mov edi, eax |
||
674 | sub edi, [y] |
||
675 | mov [_dy], edi |
||
676 | |||
677 | mul ebx |
||
678 | lea esi, [eax+ecx*4] |
||
679 | add esi, [LFBAddress] |
||
680 | mov [cur_saved_base],esi |
||
681 | |||
682 | mov edi, [scr_width] |
||
683 | mov edx, [scr_height] |
||
684 | mov eax, 32 |
||
685 | |||
686 | sub edi, ecx |
||
687 | cmp edi, eax |
||
224 | serge | 688 | jng @F |
689 | mov edi, eax |
||
690 | @@: |
||
221 | serge | 691 | sub edi, [_dx] |
692 | |||
693 | sub edx, [y] |
||
694 | cmp edx, eax |
||
224 | serge | 695 | jng @F |
696 | mov edx, eax |
||
697 | @@: |
||
221 | serge | 698 | sub edx, [_dy] |
699 | |||
700 | mov [w], edi |
||
701 | mov [h], edx |
||
702 | mov [cur_saved_w], edi |
||
703 | mov [cur_saved_h], edx |
||
704 | |||
705 | sub eax, edi |
||
706 | shl eax, 2 |
||
707 | shl edi, 2 |
||
708 | sub ebx, edi |
||
709 | mov [cur_saved_interl], ebx |
||
710 | |||
711 | mov edi, cur_saved_data |
||
712 | @@: |
||
713 | mov ecx, [w] |
||
714 | rep movsd |
||
715 | add esi, ebx |
||
716 | dec edx |
||
717 | jnz @B |
||
718 | |||
719 | ;draw cursor |
||
720 | mov edx, eax |
||
721 | mov edi, [cur_saved_base] |
||
722 | mov eax, [_dy] |
||
723 | shl eax, 5 |
||
724 | add eax, [_dx] |
||
725 | shl eax, 2 |
||
726 | |||
727 | mov esi, [hcursor] |
||
728 | mov esi, [esi+CURSOR.base] |
||
729 | add esi, eax |
||
730 | .row: |
||
731 | mov ecx, [w] |
||
732 | .pix: |
||
733 | lodsd |
||
734 | test eax, 0xFF000000 |
||
735 | jz @F |
||
736 | mov [edi], eax |
||
737 | @@: |
||
738 | add edi, 4 |
||
739 | dec ecx |
||
740 | jnz .pix |
||
741 | add esi, edx |
||
742 | add edi, ebx |
||
743 | dec [h] |
||
744 | jnz .row |
||
745 | ret |
||
746 | endp |
||
747 | |||
748 | align 4 |
||
749 | def_arrow: |
||
750 | file 'arrow.cur'=y |
||
751 |