WebSVN – Kolibri OS – Blame – /kernel/branches/net/video/cursors.inc

Rev	Author	Line No.	Line
465	serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
2540	hidnplayr	3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
465	serge	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
221	serge	7
2540	hidnplayr	8	$Revision $
593	mikedld	9
		10
221	serge	11	LOAD_FROM_FILE equ 0
		12	LOAD_FROM_MEM equ 1
2540	hidnplayr	13	LOAD_INDIRECT equ 2
		14	LOAD_SYSTEM equ 3
		15
		16	struct BITMAPINFOHEADER
		17	Size dd ?
		18	Width dd ?
		19	Height dd ?
		20	Planes dw ?
		21	BitCount dw ?
		22	Compression dd ?
		23	SizeImage dd ?
		24	XPelsPerMeter dd ?
		25	YPelsPerMeter dd ?
		26	ClrUsed dd ?
		27	ClrImportant dd ?
		28	ends
		29	;------------------------------------------------------------------------------
		30	align 4
		31	proc init_cursor stdcall, dst:dword, src:dword
		32	locals
221	serge	33	rBase dd ?
		34	pQuad dd ?
		35	pBits dd ?
		36	pAnd dd ?
		37	width dd ?
		38	height dd ?
		39	counter dd ?
		40	endl
		41
2382	hidnplayr	42	mov esi, [src]
2540	hidnplayr	43	add esi, [esi+18]
		44	mov eax, esi
		45
		46	cmp [esi+BITMAPINFOHEADER.BitCount], 24
		47	je .img_24
		48	cmp [esi+BITMAPINFOHEADER.BitCount], 8
		49	je .img_8
		50	cmp [esi+BITMAPINFOHEADER.BitCount], 4
		51	je .img_4
		52	;--------------------------------------
		53	align 4
		54	.img_2:
2382	hidnplayr	55	add eax, [esi]
		56	mov [pQuad], eax
		57	add eax, 8
		58	mov [pBits], eax
		59	add eax, 128
		60	mov [pAnd], eax
		61	mov eax, [esi+4]
		62	mov [width], eax
		63	mov ebx, [esi+8]
		64	shr ebx, 1
		65	mov [height], ebx
233	serge	66
2382	hidnplayr	67	mov edi, [dst]
		68	add edi, 32314
		69	mov [rBase], edi
233	serge	70
2382	hidnplayr	71	mov esi, [pQuad]
2540	hidnplayr	72	;--------------------------------------
		73	align 4
233	serge	74	.l21:
2382	hidnplayr	75	mov ebx, [pBits]
		76	mov ebx, [ebx]
		77	bswap ebx
		78	mov eax, [pAnd]
		79	mov eax, [eax]
		80	bswap eax
		81	mov [counter], 32
2540	hidnplayr	82	;--------------------------------------
		83	align 4
233	serge	84	@@:
2382	hidnplayr	85	xor edx, edx
		86	shl eax, 1
		87	setc dl
		88	dec edx
233	serge	89
2382	hidnplayr	90	xor ecx, ecx
		91	shl ebx, 1
		92	setc cl
		93	mov ecx, [esi+ecx*4]
		94	and ecx, edx
		95	and edx, 0xFF000000
		96	or edx, ecx
		97	mov [edi], edx
233	serge	98
2382	hidnplayr	99	add edi, 4
		100	dec [counter]
		101	jnz @B
233	serge	102
2382	hidnplayr	103	add [pBits], 4
		104	add [pAnd], 4
		105	mov edi, [rBase]
		106	sub edi, 128
		107	mov [rBase], edi
		108	sub [height], 1
		109	jnz .l21
		110	ret
2540	hidnplayr	111	;--------------------------------------
		112	align 4
224	serge	113	.img_4:
2382	hidnplayr	114	add eax, [esi]
		115	mov [pQuad], eax
		116	add eax, 64
		117	mov [pBits], eax
		118	add eax, 0x200
		119	mov [pAnd], eax
		120	mov eax, [esi+4]
		121	mov [width], eax
		122	mov ebx, [esi+8]
		123	shr ebx, 1
		124	mov [height], ebx
221	serge	125
2382	hidnplayr	126	mov edi, [dst]
		127	add edi, 32314
		128	mov [rBase], edi
221	serge	129
2382	hidnplayr	130	mov esi, [pQuad]
		131	mov ebx, [pBits]
2540	hidnplayr	132	;--------------------------------------
		133	align 4
233	serge	134	.l4:
2382	hidnplayr	135	mov eax, [pAnd]
		136	mov eax, [eax]
		137	bswap eax
		138	mov [counter], 16
2540	hidnplayr	139	;--------------------------------------
		140	align 4
221	serge	141	@@:
2382	hidnplayr	142	xor edx, edx
		143	shl eax, 1
		144	setc dl
		145	dec edx
221	serge	146
2382	hidnplayr	147	movzx ecx, byte [ebx]
		148	and cl, 0xF0
		149	shr ecx, 2
		150	mov ecx, [esi+ecx]
		151	and ecx, edx
		152	and edx, 0xFF000000
		153	or edx, ecx
		154	mov [edi], edx
221	serge	155
2382	hidnplayr	156	xor edx, edx
		157	shl eax, 1
		158	setc dl
		159	dec edx
221	serge	160
2382	hidnplayr	161	movzx ecx, byte [ebx]
		162	and cl, 0x0F
		163	mov ecx, [esi+ecx*4]
		164	and ecx, edx
		165	and edx, 0xFF000000
		166	or edx, ecx
		167	mov [edi+4], edx
221	serge	168
2382	hidnplayr	169	inc ebx
		170	add edi, 8
		171	dec [counter]
		172	jnz @B
221	serge	173
2382	hidnplayr	174	add [pAnd], 4
		175	mov edi, [rBase]
		176	sub edi, 128
		177	mov [rBase], edi
		178	sub [height], 1
		179	jnz .l4
		180	ret
2540	hidnplayr	181	;--------------------------------------
		182	align 4
233	serge	183	.img_8:
2382	hidnplayr	184	add eax, [esi]
		185	mov [pQuad], eax
		186	add eax, 1024
		187	mov [pBits], eax
		188	add eax, 1024
		189	mov [pAnd], eax
		190	mov eax, [esi+4]
		191	mov [width], eax
		192	mov ebx, [esi+8]
		193	shr ebx, 1
		194	mov [height], ebx
233	serge	195
2382	hidnplayr	196	mov edi, [dst]
		197	add edi, 32314
		198	mov [rBase], edi
233	serge	199
2382	hidnplayr	200	mov esi, [pQuad]
		201	mov ebx, [pBits]
2540	hidnplayr	202	;--------------------------------------
		203	align 4
233	serge	204	.l81:
2382	hidnplayr	205	mov eax, [pAnd]
		206	mov eax, [eax]
		207	bswap eax
		208	mov [counter], 32
2540	hidnplayr	209	;--------------------------------------
		210	align 4
233	serge	211	@@:
2382	hidnplayr	212	xor edx, edx
		213	shl eax, 1
		214	setc dl
		215	dec edx
233	serge	216
2382	hidnplayr	217	movzx ecx, byte [ebx]
		218	mov ecx, [esi+ecx*4]
		219	and ecx, edx
		220	and edx, 0xFF000000
		221	or edx, ecx
		222	mov [edi], edx
233	serge	223
2382	hidnplayr	224	inc ebx
		225	add edi, 4
		226	dec [counter]
		227	jnz @B
233	serge	228
2382	hidnplayr	229	add [pAnd], 4
		230	mov edi, [rBase]
		231	sub edi, 128
		232	mov [rBase], edi
		233	sub [height], 1
		234	jnz .l81
		235	ret
2540	hidnplayr	236	;--------------------------------------
		237	align 4
224	serge	238	.img_24:
2382	hidnplayr	239	add eax, [esi]
2540	hidnplayr	240	mov [pQuad], eax
		241	add eax, 0xC00
		242	mov [pAnd], eax
		243	mov eax, [esi+BITMAPINFOHEADER.Width]
		244	mov [width], eax
		245	mov ebx, [esi+BITMAPINFOHEADER.Height]
		246	shr ebx, 1
		247	mov [height], ebx
		248
2382	hidnplayr	249	mov edi, [dst]
		250	add edi, 32314
		251	mov [rBase], edi
224	serge	252
2382	hidnplayr	253	mov esi, [pAnd]
		254	mov ebx, [pQuad]
2540	hidnplayr	255	;--------------------------------------
		256	align 4
224	serge	257	.row_24:
2382	hidnplayr	258	mov eax, [esi]
		259	bswap eax
		260	mov [counter], 32
2540	hidnplayr	261	;--------------------------------------
		262	align 4
224	serge	263	@@:
2382	hidnplayr	264	xor edx, edx
		265	shl eax, 1
		266	setc dl
		267	dec edx
224	serge	268
2382	hidnplayr	269	mov ecx, [ebx]
		270	and ecx, 0x00FFFFFF
		271	and ecx, edx
		272	and edx, 0xFF000000
		273	or edx, ecx
		274	mov [edi], edx
		275	add ebx, 3
		276	add edi, 4
		277	dec [counter]
		278	jnz @B
224	serge	279
2382	hidnplayr	280	add esi, 4
		281	mov edi, [rBase]
		282	sub edi, 128
		283	mov [rBase], edi
		284	sub [height], 1
		285	jnz .row_24
		286	ret
221	serge	287	endp
2540	hidnplayr	288	;------------------------------------------------------------------------------
221	serge	289	align 4
227	serge	290	proc set_cursor stdcall, hcursor:dword
2382	hidnplayr	291	mov eax, [hcursor]
		292	cmp [eax+CURSOR.magic], 'CURS'
		293	jne .fail
281	serge	294	; cmp [eax+CURSOR.size], CURSOR_SIZE
		295	; jne .fail
2382	hidnplayr	296	mov ebx, [current_slot]
		297	xchg eax, [ebx+APPDATA.cursor]
		298	ret
2540	hidnplayr	299	;--------------------------------------
		300	align 4
230	serge	301	.fail:
2382	hidnplayr	302	mov eax, [def_cursor]
		303	mov ebx, [current_slot]
		304	xchg eax, [ebx+APPDATA.cursor]
		305	ret
227	serge	306	endp
2540	hidnplayr	307	;------------------------------------------------------------------------------
		308	align 4
281	serge	309	; param
		310	; eax= pid
		311	; ebx= src
		312	; ecx= flags
227	serge	313
1316	serge	314	create_cursor:
281	serge	315	.src equ esp
		316	.flags equ esp+4
		317	.hcursor equ esp+8
		318
2382	hidnplayr	319	sub esp, 4 ;space for .hcursor
		320	push ecx
2540	hidnplayr	321	push ebx
281	serge	322
2540	hidnplayr	323	mov ebx, eax
		324	mov eax, sizeof.CURSOR
		325	call create_kernel_object
		326	test eax, eax
		327	jz .fail
		328
2382	hidnplayr	329	mov [.hcursor], eax
281	serge	330
2382	hidnplayr	331	xor ebx, ebx
		332	mov [eax+CURSOR.magic], 'CURS'
		333	mov [eax+CURSOR.destroy], destroy_cursor
		334	mov [eax+CURSOR.hot_x], ebx
		335	mov [eax+CURSOR.hot_y], ebx
281	serge	336
2382	hidnplayr	337	stdcall kernel_alloc, 0x1000
		338	test eax, eax
		339	jz .fail
221	serge	340
2382	hidnplayr	341	mov edi, [.hcursor]
		342	mov [edi+CURSOR.base], eax
221	serge	343
2382	hidnplayr	344	mov esi, [.src]
		345	mov ebx, [.flags]
		346	cmp bx, LOAD_INDIRECT
		347	je .indirect
221	serge	348
2382	hidnplayr	349	movzx ecx, word [esi+10]
		350	movzx edx, word [esi+12]
		351	mov [edi+CURSOR.hot_x], ecx
		352	mov [edi+CURSOR.hot_y], edx
221	serge	353
2382	hidnplayr	354	stdcall init_cursor, eax, esi
1316	serge	355
2540	hidnplayr	356	align 4
		357	.add_cursor:
2382	hidnplayr	358	mov ecx, [.hcursor]
		359	lea ecx, [ecx+CURSOR.list_next]
		360	lea edx, [_display.cr_list.next]
1316	serge	361
2382	hidnplayr	362	pushfd
		363	cli
		364	list_add ecx, edx ;list_add_tail(new, head)
		365	popfd
1316	serge	366
2382	hidnplayr	367	mov eax, [.hcursor]
		368	cmp [_display.init_cursor], 0
		369	je .fail
1316	serge	370
2382	hidnplayr	371	push eax
		372	call [_display.init_cursor]
		373	add esp, 4
1316	serge	374
2382	hidnplayr	375	mov eax, [.hcursor]
2540	hidnplayr	376	;--------------------------------------
		377	align 4
221	serge	378	.fail:
2382	hidnplayr	379	add esp, 12
		380	ret
2540	hidnplayr	381	;--------------------------------------
		382	align 4
227	serge	383	.indirect:
2382	hidnplayr	384	shr ebx, 16
		385	movzx ecx, bh
		386	movzx edx, bl
2540	hidnplayr	387	mov [edi+CURSOR.hot_x], ecx
		388	mov [edi+CURSOR.hot_y], edx
221	serge	389
2382	hidnplayr	390	xchg edi, eax
		391	mov ecx, 1024
		392	cld
		393	rep movsd
2540	hidnplayr	394	jmp .add_cursor
		395	;------------------------------------------------------------------------------
221	serge	396	align 4
		397	proc load_cursor stdcall, src:dword, flags:dword
		398	locals
		399	handle dd ?
		400	endl
		401
2382	hidnplayr	402	xor eax, eax
		403	cmp [create_cursor], eax
		404	je .fail2
786	serge	405
2382	hidnplayr	406	mov [handle], eax
		407	cmp word [flags], LOAD_FROM_FILE
		408	jne @F
221	serge	409
2382	hidnplayr	410	stdcall load_file, [src]
		411	test eax, eax
		412	jz .fail
		413	mov [src], eax
2540	hidnplayr	414	;--------------------------------------
		415	align 4
227	serge	416	@@:
2382	hidnplayr	417	push ebx
		418	push esi
		419	push edi
662	serge	420
2382	hidnplayr	421	mov eax, [CURRENT_TASK]
		422	shl eax, 5
		423	mov eax, [CURRENT_TASK+eax+4]
		424	mov ebx, [src]
		425	mov ecx, [flags]
		426	call create_cursor ;eax, ebx, ecx
		427	mov [handle], eax
662	serge	428
2382	hidnplayr	429	cmp word [flags], LOAD_FROM_FILE
		430	jne .exit
		431	stdcall kernel_free, [src]
2540	hidnplayr	432	;--------------------------------------
		433	align 4
227	serge	434	.exit:
2382	hidnplayr	435	pop edi
		436	pop esi
		437	pop ebx
2540	hidnplayr	438	;--------------------------------------
		439	align 4
662	serge	440	.fail:
2382	hidnplayr	441	mov eax, [handle]
2540	hidnplayr	442	;--------------------------------------
		443	align 4
786	serge	444	.fail2:
2382	hidnplayr	445	ret
221	serge	446	endp
2540	hidnplayr	447	;------------------------------------------------------------------------------
221	serge	448	align 4
233	serge	449	proc delete_cursor stdcall, hcursor:dword
		450	locals
		451	hsrv dd ?
		452	io_code dd ?
		453	input dd ?
		454	inp_size dd ?
		455	output dd ?
		456	out_size dd ?
		457	endl
		458
2382	hidnplayr	459	mov esi, [hcursor]
		460	cmp [esi+CURSOR.magic], 'CURS'
		461	jne .fail
233	serge	462
2382	hidnplayr	463	mov ebx, [CURRENT_TASK]
		464	shl ebx, 5
		465	mov ebx, [CURRENT_TASK+ebx+4]
		466	cmp ebx, [esi+CURSOR.pid]
		467	jne .fail
233	serge	468
2382	hidnplayr	469	mov ebx, [current_slot]
		470	cmp esi, [ebx+APPDATA.cursor]
		471	jne @F
		472	mov eax, [def_cursor]
		473	mov [ebx+APPDATA.cursor], eax
2540	hidnplayr	474	;--------------------------------------
		475	align 4
233	serge	476	@@:
2382	hidnplayr	477	mov eax, [hcursor]
		478	call [eax+APPOBJ.destroy]
2540	hidnplayr	479	;--------------------------------------
		480	align 4
233	serge	481	.fail:
2382	hidnplayr	482	ret
233	serge	483	endp
2540	hidnplayr	484	;------------------------------------------------------------------------------
		485	align 4
281	serge	486	; param
		487	; eax= cursor
		488	destroy_cursor:
		489
2382	hidnplayr	490	push eax
		491	stdcall kernel_free, [eax+CURSOR.base]
281	serge	492
2382	hidnplayr	493	mov eax, [esp]
		494	lea eax, [eax+CURSOR.list_next]
281	serge	495
2382	hidnplayr	496	pushfd
		497	cli
		498	list_del eax
		499	popfd
		500
		501	pop eax
		502	call destroy_kernel_object
		503	ret
2540	hidnplayr	504	;------------------------------------------------------------------------------
281	serge	505	align 4
638	serge	506	select_cursor:
2382	hidnplayr	507	mov eax, [esp+4]
		508	mov [_display.cursor], eax
		509	ret 4
2540	hidnplayr	510	;------------------------------------------------------------------------------
638	serge	511	align 4
1316	serge	512	proc restore_24 stdcall, x:dword, y:dword
673	serge	513
2382	hidnplayr	514	push ebx
233	serge	515
2382	hidnplayr	516	mov ebx, [cur_saved_base]
		517	mov edx, [cur.h]
		518	test edx, edx
		519	jz .ret
221	serge	520
2382	hidnplayr	521	push esi
		522	push edi
1316	serge	523
2382	hidnplayr	524	mov esi, cur_saved_data
		525	mov ecx, [cur.w]
		526	lea ecx, [ecx+ecx*2]
		527	push ecx
2540	hidnplayr	528	;--------------------------------------
		529	align 4
221	serge	530	@@:
2382	hidnplayr	531	mov edi, ebx
		532	add ebx, [BytesPerScanLine]
1316	serge	533
2382	hidnplayr	534	mov ecx, [esp]
		535	rep movsb
		536	dec edx
		537	jnz @B
1316	serge	538
2382	hidnplayr	539	pop ecx
		540	pop edi
		541	pop esi
2540	hidnplayr	542	;--------------------------------------
		543	align 4
641	diamond	544	.ret:
2382	hidnplayr	545	pop ebx
		546	ret
221	serge	547	endp
2540	hidnplayr	548	;------------------------------------------------------------------------------
221	serge	549	align 4
		550	proc restore_32 stdcall, x:dword, y:dword
		551
2382	hidnplayr	552	push ebx
1316	serge	553
2382	hidnplayr	554	mov ebx, [cur_saved_base]
		555	mov edx, [cur.h]
		556	test edx, edx
		557	jz .ret
221	serge	558
2382	hidnplayr	559	push esi
		560	push edi
1316	serge	561
2382	hidnplayr	562	mov esi, cur_saved_data
2540	hidnplayr	563	;--------------------------------------
		564	align 4
221	serge	565	@@:
2382	hidnplayr	566	mov edi, ebx
		567	add ebx, [BytesPerScanLine]
1316	serge	568
2382	hidnplayr	569	mov ecx, [cur.w]
		570	rep movsd
		571	dec edx
		572	jnz @B
1316	serge	573
2382	hidnplayr	574	pop edi
2540	hidnplayr	575	;--------------------------------------
		576	align 4
641	diamond	577	.ret:
2382	hidnplayr	578	pop esi
		579	pop ebx
		580	ret
221	serge	581	endp
2540	hidnplayr	582	;------------------------------------------------------------------------------
221	serge	583	align 4
1316	serge	584	proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
221	serge	585	locals
		586	h dd ?
		587	_dx dd ?
		588	_dy dd ?
		589	endl
		590
2382	hidnplayr	591	mov esi, [hcursor]
		592	mov ecx, [x]
		593	mov eax, [y]
2540	hidnplayr	594	; mov ebx, [BytesPerScanLine]
221	serge	595
2382	hidnplayr	596	xor edx, edx
		597	sub ecx, [esi+CURSOR.hot_x]
		598	lea ebx, [ecx+32-1]
		599	mov [x], ecx
		600	sets dl
		601	dec edx
		602	and ecx, edx ;clip x to 0<=x
		603	mov [cur.left], ecx
		604	mov edi, ecx
		605	sub edi, [x]
		606	mov [_dx], edi
221	serge	607
2382	hidnplayr	608	xor edx, edx
		609	sub eax, [esi+CURSOR.hot_y]
		610	lea edi, [eax+32-1]
		611	mov [y], eax
		612	sets dl
		613	dec edx
		614	and eax, edx ;clip y to 0<=y
		615	mov [cur.top], eax
		616	mov edx, eax
		617	sub edx, [y]
		618	mov [_dy], edx
221	serge	619
2540	hidnplayr	620	; mul dword [BytesPerScanLine]
		621	mov eax, [BPSLine_calc_area+eax*4]
2382	hidnplayr	622	lea edx, [LFB_BASE+ecx*3]
		623	add edx, eax
		624	mov [cur_saved_base], edx
221	serge	625
2382	hidnplayr	626	cmp ebx, [Screen_Max_X]
		627	jbe @F
		628	mov ebx, [Screen_Max_X]
2540	hidnplayr	629	;--------------------------------------
		630	align 4
224	serge	631	@@:
2382	hidnplayr	632	cmp edi, [Screen_Max_Y]
		633	jbe @F
		634	mov edi, [Screen_Max_Y]
2540	hidnplayr	635	;--------------------------------------
		636	align 4
224	serge	637	@@:
2382	hidnplayr	638	mov [cur.right], ebx
		639	mov [cur.bottom], edi
221	serge	640
2382	hidnplayr	641	sub ebx, [x]
		642	sub edi, [y]
		643	inc ebx
		644	inc edi
221	serge	645
2382	hidnplayr	646	mov [cur.w], ebx
		647	mov [cur.h], edi
		648	mov [h], edi
221	serge	649
2382	hidnplayr	650	mov eax, edi
		651	mov edi, cur_saved_data
2540	hidnplayr	652	;--------------------------------------
		653	align 4
221	serge	654	@@:
2382	hidnplayr	655	mov esi, edx
		656	add edx, [BytesPerScanLine]
		657	mov ecx, [cur.w]
		658	lea ecx, [ecx+ecx*2]
		659	rep movsb
		660	dec eax
		661	jnz @B
221	serge	662
		663	;draw cursor
2382	hidnplayr	664	mov ebx, [cur_saved_base]
		665	mov eax, [_dy]
		666	shl eax, 5
		667	add eax, [_dx]
221	serge	668
2382	hidnplayr	669	mov esi, [hcursor]
		670	mov esi, [esi+CURSOR.base]
		671	lea edx, [esi+eax*4]
2540	hidnplayr	672	;--------------------------------------
		673	align 4
221	serge	674	.row:
2382	hidnplayr	675	mov ecx, [cur.w]
		676	mov esi, edx
		677	mov edi, ebx
		678	add edx, 32*4
		679	add ebx, [BytesPerScanLine]
2540	hidnplayr	680	;--------------------------------------
		681	align 4
221	serge	682	.pix:
2382	hidnplayr	683	lodsd
		684	test eax, 0xFF000000
		685	jz @F
		686	mov [edi], ax
		687	shr eax, 16
		688	mov [edi+2], al
2540	hidnplayr	689	;--------------------------------------
		690	align 4
221	serge	691	@@:
2382	hidnplayr	692	add edi, 3
		693	dec ecx
		694	jnz .pix
221	serge	695
2382	hidnplayr	696	dec [h]
		697	jnz .row
		698	ret
221	serge	699	endp
2540	hidnplayr	700	;------------------------------------------------------------------------------
221	serge	701	align 4
1316	serge	702	proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
221	serge	703	locals
		704	h dd ?
		705	_dx dd ?
		706	_dy dd ?
		707	endl
		708
2382	hidnplayr	709	mov esi, [hcursor]
		710	mov ecx, [x]
		711	mov eax, [y]
221	serge	712
2382	hidnplayr	713	xor edx, edx
		714	sub ecx, [esi+CURSOR.hot_x]
		715	lea ebx, [ecx+32-1]
		716	mov [x], ecx
		717	sets dl
		718	dec edx
		719	and ecx, edx ;clip x to 0<=x
		720	mov [cur.left], ecx
		721	mov edi, ecx
		722	sub edi, [x]
		723	mov [_dx], edi
221	serge	724
2382	hidnplayr	725	xor edx, edx
		726	sub eax, [esi+CURSOR.hot_y]
		727	lea edi, [eax+32-1]
		728	mov [y], eax
		729	sets dl
		730	dec edx
		731	and eax, edx ;clip y to 0<=y
		732	mov [cur.top], eax
		733	mov edx, eax
		734	sub edx, [y]
		735	mov [_dy], edx
221	serge	736
2540	hidnplayr	737	; mul dword [BytesPerScanLine]
		738	mov eax, [BPSLine_calc_area+eax*4]
2382	hidnplayr	739	lea edx, [LFB_BASE+eax+ecx*4]
		740	mov [cur_saved_base], edx
221	serge	741
2382	hidnplayr	742	cmp ebx, [Screen_Max_X]
		743	jbe @F
		744	mov ebx, [Screen_Max_X]
2540	hidnplayr	745	;--------------------------------------
		746	align 4
224	serge	747	@@:
2382	hidnplayr	748	cmp edi, [Screen_Max_Y]
		749	jbe @F
		750	mov edi, [Screen_Max_Y]
2540	hidnplayr	751	;--------------------------------------
		752	align 4
224	serge	753	@@:
2382	hidnplayr	754	mov [cur.right], ebx
		755	mov [cur.bottom], edi
221	serge	756
2382	hidnplayr	757	sub ebx, [x]
		758	sub edi, [y]
		759	inc ebx
		760	inc edi
221	serge	761
2382	hidnplayr	762	mov [cur.w], ebx
		763	mov [cur.h], edi
		764	mov [h], edi
221	serge	765
2382	hidnplayr	766	mov eax, edi
		767	mov edi, cur_saved_data
2540	hidnplayr	768	;--------------------------------------
		769	align 4
221	serge	770	@@:
2382	hidnplayr	771	mov esi, edx
		772	add edx, [BytesPerScanLine]
		773	mov ecx, [cur.w]
		774	rep movsd
		775	dec eax
		776	jnz @B
221	serge	777
		778	;draw cursor
2382	hidnplayr	779	mov ebx, [cur_saved_base]
		780	mov eax, [_dy]
		781	shl eax, 5
		782	add eax, [_dx]
221	serge	783
2382	hidnplayr	784	mov esi, [hcursor]
		785	mov esi, [esi+CURSOR.base]
		786	lea edx, [esi+eax*4]
2540	hidnplayr	787	;--------------------------------------
		788	align 4
221	serge	789	.row:
2382	hidnplayr	790	mov ecx, [cur.w]
		791	mov esi, edx
		792	mov edi, ebx
		793	add edx, 32*4
		794	add ebx, [BytesPerScanLine]
2540	hidnplayr	795	;--------------------------------------
		796	align 4
221	serge	797	.pix:
2382	hidnplayr	798	lodsd
		799	test eax, 0xFF000000
		800	jz @F
		801	mov [edi], eax
2540	hidnplayr	802	;--------------------------------------
		803	align 4
221	serge	804	@@:
2382	hidnplayr	805	add edi, 4
		806	dec ecx
		807	jnz .pix
1316	serge	808
2382	hidnplayr	809	dec [h]
		810	jnz .row
		811	ret
221	serge	812	endp
2540	hidnplayr	813	;------------------------------------------------------------------------------
		814	align 4
		815	check_mouse_area_for_getpixel_new:
		816	; in:
		817	; eax = x
		818	; ebx = y
		819	; out:
		820	; ecx = new color
		821	;--------------------------------------
		822	; check for Y
		823	cmp bx, [Y_UNDER_subtraction_CUR_hot_y]
		824	jb .no_mouse_area
221	serge	825
2540	hidnplayr	826	cmp bx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		827	jae .no_mouse_area
		828	;--------------------------------------
		829	; check for X
		830	cmp ax, [X_UNDER_subtraction_CUR_hot_x]
		831	jb .no_mouse_area
1316	serge	832
2540	hidnplayr	833	cmp ax, [X_UNDER_sub_CUR_hot_x_add_curh]
		834	jae .no_mouse_area
		835	;--------------------------------------
		836	push eax ebx
		837	; offset X
		838	mov ecx, [X_UNDER_subtraction_CUR_hot_x]
		839	sub eax, ecx ; x1
		840	; offset Y
		841	mov ecx, [Y_UNDER_subtraction_CUR_hot_y]
		842	sub ebx, ecx ; y1
		843	;--------------------------------------
		844	; ebx = offset y
		845	; eax = offset x
		846	imul ebx, [cur.w] ;y
		847	add eax, ebx
		848	mov ebx, eax
		849	shl eax, 2
		850	cmp [ScreenBPP], byte 32
		851	je @f
		852	sub eax, ebx
		853	;--------------------------------------
221	serge	854	align 4
2540	hidnplayr	855	@@:
		856	add eax, cur_saved_data
		857	mov ecx, [eax]
		858	and ecx, 0xffffff
		859	add ecx, 0xff000000
		860	pop ebx eax
		861	ret
		862	;--------------------------------------
		863	align 4
		864	.no_mouse_area:
		865	xor ecx, ecx
		866	ret
		867	;-----------------------------------------------------------------------------
		868	align 4
		869	check_mouse_area_for_putpixel_new:
		870	; in:
		871	; ecx = x shl 16 + y
		872	; eax = color
		873	; out:
		874	; eax = new color
		875	;--------------------------------------
		876	; check for Y
		877	cmp cx, [Y_UNDER_subtraction_CUR_hot_y]
		878	jb .no_mouse_area
		879
		880	cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		881	jae .no_mouse_area
		882
		883	rol ecx, 16
		884	;--------------------------------------
		885	; check for X
		886	cmp cx, [X_UNDER_subtraction_CUR_hot_x]
		887	jb .no_mouse_area
		888
		889	cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh]
		890	jae .no_mouse_area
		891	;--------------------------------------
		892	align 4
		893	.1:
		894	push eax
		895	; offset X
		896	mov ax, [X_UNDER_subtraction_CUR_hot_x]
		897	sub cx, ax ; x1
		898	ror ecx, 16
		899	; offset Y
		900	mov ax, [Y_UNDER_subtraction_CUR_hot_y]
		901	sub cx, ax ; y1
		902	;--------------------------------------
		903	; ecx = (offset x) shl 16 + (offset y)
		904	push ebx
		905	mov ebx, ecx
		906	shr ebx, 16 ; x
		907	and ecx, 0xffff ; y
		908	; ecx = offset y
		909	; ebx = offset x
		910	mov eax, [esp + 4]
		911
		912	push ebx ecx
		913	imul ecx, [cur.w] ;y
		914	add ecx, ebx
		915	mov ebx, ecx
		916	shl ecx, 2
		917	cmp [ScreenBPP], byte 24
		918	je .24
		919	and eax, 0xFFFFFF
		920	mov [ecx + cur_saved_data], eax ;store new color to
		921	jmp @f
		922	;--------------------------------------
		923	align 4
		924	.24:
		925	sub ecx, ebx
		926	mov [ecx + cur_saved_data], ax ;store new color to
		927	shr eax, 16
		928	mov [ecx + cur_saved_data + 2], al ;store new color to
		929	;--------------------------------------
		930	align 4
		931	@@:
		932	pop ecx ebx
		933
		934	shl ecx, 5
		935	add ecx, ebx
		936
		937	mov eax, [current_cursor]
		938	mov eax, [eax+CURSOR.base]
		939	lea eax, [eax+ecx*4]
		940	mov eax, [eax]
		941
		942	pop ebx
		943
		944	test eax, 0xFF000000
		945	jz @f
		946
		947	pop ecx
		948	ret
		949	;--------------------------------------
		950	align 4
		951	@@:
		952	pop eax
		953	;--------------------------------------
		954	align 4
		955	.no_mouse_area:
		956	ret
		957	;------------------------------------------------------------------------------
		958	align 4
1316	serge	959	get_display:
2382	hidnplayr	960	mov eax, _display
		961	ret
2540	hidnplayr	962	;------------------------------------------------------------------------------
1316	serge	963	align 4
		964	init_display:
2382	hidnplayr	965	xor eax, eax
		966	mov edi, _display
1316	serge	967
2382	hidnplayr	968	mov [edi+display_t.init_cursor], eax
		969	mov [edi+display_t.select_cursor], eax
		970	mov [edi+display_t.show_cursor], eax
		971	mov [edi+display_t.move_cursor], eax
		972	mov [edi+display_t.restore_cursor], eax
1316	serge	973
2382	hidnplayr	974	lea ecx, [edi+display_t.cr_list.next]
		975	mov [edi+display_t.cr_list.next], ecx
		976	mov [edi+display_t.cr_list.prev], ecx
1316	serge	977
2382	hidnplayr	978	cmp [SCR_MODE], word 0x13
		979	jbe .fail
1316	serge	980
2382	hidnplayr	981	test word [SCR_MODE], 0x4000
		982	jz .fail
2540	hidnplayr	983	; jmp .fail
1316	serge	984
2382	hidnplayr	985	mov ebx, restore_32
		986	mov ecx, move_cursor_32
		987	movzx eax, byte [ScreenBPP]
		988	cmp eax, 32
		989	je @F
1316	serge	990
2382	hidnplayr	991	mov ebx, restore_24
		992	mov ecx, move_cursor_24
		993	cmp eax, 24
		994	jne .fail
2540	hidnplayr	995	;--------------------------------------
		996	align 4
1316	serge	997	@@:
2382	hidnplayr	998	mov [_display.select_cursor], select_cursor
		999	mov [_display.move_cursor], ecx
		1000	mov [_display.restore_cursor], ebx
2540	hidnplayr	1001	mov [_display.check_mouse], check_mouse_area_for_putpixel_new
		1002	mov [_display.check_m_pixel], check_mouse_area_for_getpixel_new
1316	serge	1003
2540	hidnplayr	1004	cmp [PUTPIXEL], dword VGA_putpixel
		1005	je @f
		1006	cmp [ScreenBPP], byte 32
		1007	je .32
		1008	mov [PUTPIXEL], dword Vesa20_putpixel24_new
		1009	jmp @f
		1010	;--------------------------------------
		1011	align 4
		1012	.32:
		1013	mov [PUTPIXEL], dword Vesa20_putpixel32_new
		1014	;--------------------------------------
		1015	align 4
		1016	@@:
		1017	stdcall load_cursor, clock_arrow, dword LOAD_FROM_MEM
		1018	mov [def_cursor_clock], eax
2382	hidnplayr	1019	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		1020	mov [def_cursor], eax
		1021	ret
2540	hidnplayr	1022	;--------------------------------------
		1023	align 4
1316	serge	1024	.fail:
2382	hidnplayr	1025	xor eax, eax
		1026	mov [_display.select_cursor], eax
		1027	mov [_display.move_cursor], eax
		1028	ret
2540	hidnplayr	1029	;------------------------------------------------------------------------------
1316	serge	1030	align 4
221	serge	1031	def_arrow:
		1032	file 'arrow.cur'
2540	hidnplayr	1033	;------------------------------------------------------------------------------
		1034	align 4
		1035	clock_arrow:
		1036	file 'arrow_clock.cur'
		1037	;------------------------------------------------------------------------------
221	serge	1038

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(root)/kernel/branches/net/video/cursors.inc – Rev 2540