WebSVN – Kolibri OS – Blame – /kernel/trunk/video/cursors.inc

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2008. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 2446 $
		9
		10
		11	LOAD_FROM_FILE equ 0
		12	LOAD_FROM_MEM equ 1
		13	LOAD_INDIRECT equ 2
		14	LOAD_SYSTEM equ 3
		15
2384	hidnplayr	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
2430	mario79	29	;------------------------------------------------------------------------------
2288	clevermous	30	align 4
		31	proc init_cursor stdcall, dst:dword, src:dword
		32	locals
		33	rBase dd ?
		34	pQuad dd ?
		35	pBits dd ?
		36	pAnd dd ?
		37	width dd ?
		38	height dd ?
		39	counter dd ?
		40	endl
		41
		42	mov esi, [src]
		43	add esi, [esi+18]
		44	mov eax, esi
		45
2384	hidnplayr	46	cmp [esi+BITMAPINFOHEADER.BitCount], 24
2288	clevermous	47	je .img_24
2384	hidnplayr	48	cmp [esi+BITMAPINFOHEADER.BitCount], 8
2288	clevermous	49	je .img_8
2384	hidnplayr	50	cmp [esi+BITMAPINFOHEADER.BitCount], 4
2288	clevermous	51	je .img_4
2430	mario79	52	;--------------------------------------
		53	align 4
2288	clevermous	54	.img_2:
		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
		66
		67	mov edi, [dst]
		68	add edi, 32314
		69	mov [rBase], edi
		70
		71	mov esi, [pQuad]
2430	mario79	72	;--------------------------------------
		73	align 4
2288	clevermous	74	.l21:
		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
2430	mario79	82	;--------------------------------------
		83	align 4
2288	clevermous	84	@@:
		85	xor edx, edx
		86	shl eax, 1
		87	setc dl
		88	dec edx
		89
		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
		98
		99	add edi, 4
		100	dec [counter]
		101	jnz @B
		102
		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
2430	mario79	111	;--------------------------------------
		112	align 4
2288	clevermous	113	.img_4:
		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
		125
		126	mov edi, [dst]
		127	add edi, 32314
		128	mov [rBase], edi
		129
		130	mov esi, [pQuad]
		131	mov ebx, [pBits]
2430	mario79	132	;--------------------------------------
		133	align 4
2288	clevermous	134	.l4:
		135	mov eax, [pAnd]
		136	mov eax, [eax]
		137	bswap eax
		138	mov [counter], 16
2430	mario79	139	;--------------------------------------
		140	align 4
2288	clevermous	141	@@:
		142	xor edx, edx
		143	shl eax, 1
		144	setc dl
		145	dec edx
		146
		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
		155
		156	xor edx, edx
		157	shl eax, 1
		158	setc dl
		159	dec edx
		160
		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
		168
		169	inc ebx
		170	add edi, 8
		171	dec [counter]
		172	jnz @B
		173
		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
2430	mario79	181	;--------------------------------------
		182	align 4
2288	clevermous	183	.img_8:
		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
		195
		196	mov edi, [dst]
		197	add edi, 32314
		198	mov [rBase], edi
		199
		200	mov esi, [pQuad]
		201	mov ebx, [pBits]
2430	mario79	202	;--------------------------------------
		203	align 4
2288	clevermous	204	.l81:
		205	mov eax, [pAnd]
		206	mov eax, [eax]
		207	bswap eax
		208	mov [counter], 32
2430	mario79	209	;--------------------------------------
		210	align 4
2288	clevermous	211	@@:
		212	xor edx, edx
		213	shl eax, 1
		214	setc dl
		215	dec edx
		216
		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
		223
		224	inc ebx
		225	add edi, 4
		226	dec [counter]
		227	jnz @B
		228
		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
2430	mario79	236	;--------------------------------------
		237	align 4
2288	clevermous	238	.img_24:
		239	add eax, [esi]
		240	mov [pQuad], eax
		241	add eax, 0xC00
		242	mov [pAnd], eax
2384	hidnplayr	243	mov eax, [esi+BITMAPINFOHEADER.Width]
2288	clevermous	244	mov [width], eax
2384	hidnplayr	245	mov ebx, [esi+BITMAPINFOHEADER.Height]
2288	clevermous	246	shr ebx, 1
		247	mov [height], ebx
		248
		249	mov edi, [dst]
		250	add edi, 32314
		251	mov [rBase], edi
		252
		253	mov esi, [pAnd]
		254	mov ebx, [pQuad]
2430	mario79	255	;--------------------------------------
		256	align 4
2288	clevermous	257	.row_24:
		258	mov eax, [esi]
		259	bswap eax
		260	mov [counter], 32
2430	mario79	261	;--------------------------------------
		262	align 4
2288	clevermous	263	@@:
		264	xor edx, edx
		265	shl eax, 1
		266	setc dl
		267	dec edx
		268
		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
		279
		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
		287	endp
2430	mario79	288	;------------------------------------------------------------------------------
2288	clevermous	289	align 4
		290	proc set_cursor stdcall, hcursor:dword
		291	mov eax, [hcursor]
		292	cmp [eax+CURSOR.magic], 'CURS'
		293	jne .fail
		294	; cmp [eax+CURSOR.size], CURSOR_SIZE
		295	; jne .fail
		296	mov ebx, [current_slot]
		297	xchg eax, [ebx+APPDATA.cursor]
		298	ret
2430	mario79	299	;--------------------------------------
		300	align 4
2288	clevermous	301	.fail:
		302	mov eax, [def_cursor]
		303	mov ebx, [current_slot]
		304	xchg eax, [ebx+APPDATA.cursor]
		305	ret
		306	endp
2430	mario79	307	;------------------------------------------------------------------------------
		308	align 4
2288	clevermous	309	; param
		310	; eax= pid
		311	; ebx= src
		312	; ecx= flags
		313
		314	create_cursor:
		315	.src equ esp
		316	.flags equ esp+4
		317	.hcursor equ esp+8
		318
		319	sub esp, 4 ;space for .hcursor
		320	push ecx
		321	push ebx
		322
		323	mov ebx, eax
2384	hidnplayr	324	mov eax, sizeof.CURSOR
2288	clevermous	325	call create_kernel_object
		326	test eax, eax
		327	jz .fail
		328
		329	mov [.hcursor], eax
		330
		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
		336
		337	stdcall kernel_alloc, 0x1000
		338	test eax, eax
		339	jz .fail
		340
		341	mov edi, [.hcursor]
		342	mov [edi+CURSOR.base], eax
		343
		344	mov esi, [.src]
		345	mov ebx, [.flags]
		346	cmp bx, LOAD_INDIRECT
		347	je .indirect
		348
		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
		353
		354	stdcall init_cursor, eax, esi
		355
2337	Serge	356	mov ecx, [.hcursor]
		357	lea ecx, [ecx+CURSOR.list_next]
2288	clevermous	358	lea edx, [_display.cr_list.next]
		359
		360	pushfd
		361	cli
2337	Serge	362	list_add ecx, edx ;list_add_tail(new, head)
2288	clevermous	363	popfd
		364
		365	mov eax, [.hcursor]
2430	mario79	366	;--------------------------------------
		367	align 4
2288	clevermous	368	.check_hw:
		369	cmp [_display.init_cursor], 0
		370	je .fail
		371
		372	push eax
		373	call [_display.init_cursor]
		374	add esp, 4
		375
		376	mov eax, [.hcursor]
2430	mario79	377	;--------------------------------------
		378	align 4
2288	clevermous	379	.fail:
		380	add esp, 12
		381	ret
2430	mario79	382	;--------------------------------------
		383	align 4
2288	clevermous	384	.indirect:
		385	shr ebx, 16
		386	movzx ecx, bh
		387	movzx edx, bl
		388	mov [eax+CURSOR.hot_x], ecx
		389	mov [eax+CURSOR.hot_y], edx
		390
		391	xchg edi, eax
		392	mov ecx, 1024
		393	cld
		394	rep movsd
		395	jmp .check_hw
2430	mario79	396	;------------------------------------------------------------------------------
2288	clevermous	397	align 4
		398	proc load_cursor stdcall, src:dword, flags:dword
		399	locals
		400	handle dd ?
		401	endl
		402
		403	xor eax, eax
		404	cmp [create_cursor], eax
		405	je .fail2
		406
		407	mov [handle], eax
		408	cmp word [flags], LOAD_FROM_FILE
		409	jne @F
		410
		411	stdcall load_file, [src]
		412	test eax, eax
		413	jz .fail
		414	mov [src], eax
2430	mario79	415	;--------------------------------------
		416	align 4
2288	clevermous	417	@@:
		418	push ebx
		419	push esi
		420	push edi
		421
		422	mov eax, [CURRENT_TASK]
		423	shl eax, 5
		424	mov eax, [CURRENT_TASK+eax+4]
		425	mov ebx, [src]
		426	mov ecx, [flags]
		427	call create_cursor ;eax, ebx, ecx
		428	mov [handle], eax
		429
		430	cmp word [flags], LOAD_FROM_FILE
		431	jne .exit
		432	stdcall kernel_free, [src]
2430	mario79	433	;--------------------------------------
		434	align 4
2288	clevermous	435	.exit:
		436	pop edi
		437	pop esi
		438	pop ebx
2430	mario79	439	;--------------------------------------
		440	align 4
2288	clevermous	441	.fail:
		442	mov eax, [handle]
2430	mario79	443	;--------------------------------------
		444	align 4
2288	clevermous	445	.fail2:
		446	ret
		447	endp
2430	mario79	448	;------------------------------------------------------------------------------
2288	clevermous	449	align 4
		450	proc delete_cursor stdcall, hcursor:dword
		451	locals
		452	hsrv dd ?
		453	io_code dd ?
		454	input dd ?
		455	inp_size dd ?
		456	output dd ?
		457	out_size dd ?
		458	endl
		459
		460	mov esi, [hcursor]
		461	cmp [esi+CURSOR.magic], 'CURS'
		462	jne .fail
		463
		464	mov ebx, [CURRENT_TASK]
		465	shl ebx, 5
		466	mov ebx, [CURRENT_TASK+ebx+4]
		467	cmp ebx, [esi+CURSOR.pid]
		468	jne .fail
		469
		470	mov ebx, [current_slot]
		471	cmp esi, [ebx+APPDATA.cursor]
		472	jne @F
		473	mov eax, [def_cursor]
		474	mov [ebx+APPDATA.cursor], eax
2430	mario79	475	;--------------------------------------
		476	align 4
2288	clevermous	477	@@:
		478	mov eax, [hcursor]
		479	call [eax+APPOBJ.destroy]
2430	mario79	480	;--------------------------------------
		481	align 4
2288	clevermous	482	.fail:
		483	ret
		484	endp
2430	mario79	485	;------------------------------------------------------------------------------
		486	align 4
2288	clevermous	487	; param
		488	; eax= cursor
		489	destroy_cursor:
		490
		491	push eax
		492	stdcall kernel_free, [eax+CURSOR.base]
2337	Serge	493
		494	mov eax, [esp]
		495	lea eax, [eax+CURSOR.list_next]
		496
		497	pushfd
		498	cli
		499	list_del eax
		500	popfd
		501
2288	clevermous	502	pop eax
		503	call destroy_kernel_object
		504	ret
2430	mario79	505	;------------------------------------------------------------------------------
2288	clevermous	506	align 4
		507	select_cursor:
		508	mov eax, [esp+4]
		509	mov [_display.cursor], eax
		510	ret 4
2430	mario79	511	;------------------------------------------------------------------------------
2288	clevermous	512	align 4
		513	proc restore_24 stdcall, x:dword, y:dword
		514
		515	push ebx
		516
		517	mov ebx, [cur_saved_base]
		518	mov edx, [cur.h]
		519	test edx, edx
		520	jz .ret
		521
		522	push esi
		523	push edi
		524
		525	mov esi, cur_saved_data
		526	mov ecx, [cur.w]
		527	lea ecx, [ecx+ecx*2]
		528	push ecx
2430	mario79	529	;--------------------------------------
		530	align 4
2288	clevermous	531	@@:
		532	mov edi, ebx
		533	add ebx, [BytesPerScanLine]
		534
		535	mov ecx, [esp]
		536	rep movsb
		537	dec edx
		538	jnz @B
		539
		540	pop ecx
		541	pop edi
		542	pop esi
2430	mario79	543	;--------------------------------------
		544	align 4
2288	clevermous	545	.ret:
		546	pop ebx
		547	ret
		548	endp
2430	mario79	549	;------------------------------------------------------------------------------
2288	clevermous	550	align 4
		551	proc restore_32 stdcall, x:dword, y:dword
		552
		553	push ebx
		554
		555	mov ebx, [cur_saved_base]
		556	mov edx, [cur.h]
		557	test edx, edx
		558	jz .ret
		559
		560	push esi
		561	push edi
		562
		563	mov esi, cur_saved_data
2430	mario79	564	;--------------------------------------
		565	align 4
2288	clevermous	566	@@:
		567	mov edi, ebx
		568	add ebx, [BytesPerScanLine]
		569
		570	mov ecx, [cur.w]
		571	rep movsd
		572	dec edx
		573	jnz @B
		574
		575	pop edi
2430	mario79	576	;--------------------------------------
		577	align 4
2288	clevermous	578	.ret:
		579	pop esi
		580	pop ebx
		581	ret
		582	endp
2430	mario79	583	;------------------------------------------------------------------------------
2288	clevermous	584	align 4
		585	proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
		586	locals
		587	h dd ?
		588	_dx dd ?
		589	_dy dd ?
		590	endl
		591
		592	mov esi, [hcursor]
		593	mov ecx, [x]
		594	mov eax, [y]
2446	mario79	595	; mov ebx, [BytesPerScanLine]
2288	clevermous	596
		597	xor edx, edx
		598	sub ecx, [esi+CURSOR.hot_x]
		599	lea ebx, [ecx+32-1]
		600	mov [x], ecx
		601	sets dl
		602	dec edx
		603	and ecx, edx ;clip x to 0<=x
		604	mov [cur.left], ecx
		605	mov edi, ecx
		606	sub edi, [x]
		607	mov [_dx], edi
		608
		609	xor edx, edx
		610	sub eax, [esi+CURSOR.hot_y]
		611	lea edi, [eax+32-1]
		612	mov [y], eax
		613	sets dl
		614	dec edx
		615	and eax, edx ;clip y to 0<=y
		616	mov [cur.top], eax
		617	mov edx, eax
		618	sub edx, [y]
		619	mov [_dy], edx
		620
2446	mario79	621	; mul dword [BytesPerScanLine]
		622	mov eax, [d_width_calc_area + eax*4]
		623	lea eax, [eax + eax*2]
		624
2288	clevermous	625	lea edx, [LFB_BASE+ecx*3]
		626	add edx, eax
		627	mov [cur_saved_base], edx
		628
		629	cmp ebx, [Screen_Max_X]
		630	jbe @F
		631	mov ebx, [Screen_Max_X]
2430	mario79	632	;--------------------------------------
		633	align 4
2288	clevermous	634	@@:
		635	cmp edi, [Screen_Max_Y]
		636	jbe @F
		637	mov edi, [Screen_Max_Y]
2430	mario79	638	;--------------------------------------
		639	align 4
2288	clevermous	640	@@:
		641	mov [cur.right], ebx
		642	mov [cur.bottom], edi
		643
		644	sub ebx, [x]
		645	sub edi, [y]
		646	inc ebx
		647	inc edi
		648
		649	mov [cur.w], ebx
		650	mov [cur.h], edi
		651	mov [h], edi
		652
		653	mov eax, edi
		654	mov edi, cur_saved_data
2430	mario79	655	;--------------------------------------
		656	align 4
2288	clevermous	657	@@:
		658	mov esi, edx
		659	add edx, [BytesPerScanLine]
		660	mov ecx, [cur.w]
		661	lea ecx, [ecx+ecx*2]
		662	rep movsb
		663	dec eax
		664	jnz @B
		665
		666	;draw cursor
		667	mov ebx, [cur_saved_base]
		668	mov eax, [_dy]
		669	shl eax, 5
		670	add eax, [_dx]
		671
		672	mov esi, [hcursor]
		673	mov esi, [esi+CURSOR.base]
		674	lea edx, [esi+eax*4]
2430	mario79	675	;--------------------------------------
		676	align 4
2288	clevermous	677	.row:
		678	mov ecx, [cur.w]
		679	mov esi, edx
		680	mov edi, ebx
		681	add edx, 32*4
		682	add ebx, [BytesPerScanLine]
2430	mario79	683	;--------------------------------------
		684	align 4
2288	clevermous	685	.pix:
		686	lodsd
		687	test eax, 0xFF000000
		688	jz @F
		689	mov [edi], ax
		690	shr eax, 16
		691	mov [edi+2], al
2430	mario79	692	;--------------------------------------
		693	align 4
2288	clevermous	694	@@:
		695	add edi, 3
		696	dec ecx
		697	jnz .pix
		698
		699	dec [h]
		700	jnz .row
		701	ret
		702	endp
2430	mario79	703	;------------------------------------------------------------------------------
2288	clevermous	704	align 4
		705	proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
		706	locals
		707	h dd ?
		708	_dx dd ?
		709	_dy dd ?
		710	endl
		711
		712	mov esi, [hcursor]
		713	mov ecx, [x]
		714	mov eax, [y]
		715
		716	xor edx, edx
		717	sub ecx, [esi+CURSOR.hot_x]
		718	lea ebx, [ecx+32-1]
		719	mov [x], ecx
		720	sets dl
		721	dec edx
		722	and ecx, edx ;clip x to 0<=x
		723	mov [cur.left], ecx
		724	mov edi, ecx
		725	sub edi, [x]
		726	mov [_dx], edi
		727
		728	xor edx, edx
		729	sub eax, [esi+CURSOR.hot_y]
		730	lea edi, [eax+32-1]
		731	mov [y], eax
		732	sets dl
		733	dec edx
		734	and eax, edx ;clip y to 0<=y
		735	mov [cur.top], eax
		736	mov edx, eax
		737	sub edx, [y]
		738	mov [_dy], edx
		739
2446	mario79	740	; mul dword [BytesPerScanLine]
		741	mov eax, [d_width_calc_area + eax*4]
		742	shl eax, 2
		743
2288	clevermous	744	lea edx, [LFB_BASE+eax+ecx*4]
		745	mov [cur_saved_base], edx
		746
		747	cmp ebx, [Screen_Max_X]
		748	jbe @F
		749	mov ebx, [Screen_Max_X]
2430	mario79	750	;--------------------------------------
		751	align 4
2288	clevermous	752	@@:
		753	cmp edi, [Screen_Max_Y]
		754	jbe @F
		755	mov edi, [Screen_Max_Y]
2430	mario79	756	;--------------------------------------
		757	align 4
2288	clevermous	758	@@:
		759	mov [cur.right], ebx
		760	mov [cur.bottom], edi
		761
		762	sub ebx, [x]
		763	sub edi, [y]
		764	inc ebx
		765	inc edi
		766
		767	mov [cur.w], ebx
		768	mov [cur.h], edi
		769	mov [h], edi
		770
		771	mov eax, edi
		772	mov edi, cur_saved_data
2430	mario79	773	;--------------------------------------
		774	align 4
2288	clevermous	775	@@:
		776	mov esi, edx
		777	add edx, [BytesPerScanLine]
		778	mov ecx, [cur.w]
		779	rep movsd
		780	dec eax
		781	jnz @B
		782
		783	;draw cursor
		784	mov ebx, [cur_saved_base]
		785	mov eax, [_dy]
		786	shl eax, 5
		787	add eax, [_dx]
		788
		789	mov esi, [hcursor]
		790	mov esi, [esi+CURSOR.base]
		791	lea edx, [esi+eax*4]
2430	mario79	792	;--------------------------------------
		793	align 4
2288	clevermous	794	.row:
		795	mov ecx, [cur.w]
		796	mov esi, edx
		797	mov edi, ebx
		798	add edx, 32*4
		799	add ebx, [BytesPerScanLine]
2430	mario79	800	;--------------------------------------
		801	align 4
2288	clevermous	802	.pix:
		803	lodsd
		804	test eax, 0xFF000000
		805	jz @F
		806	mov [edi], eax
2430	mario79	807	;--------------------------------------
		808	align 4
2288	clevermous	809	@@:
		810	add edi, 4
		811	dec ecx
		812	jnz .pix
		813
		814	dec [h]
		815	jnz .row
		816	ret
		817	endp
2430	mario79	818	;------------------------------------------------------------------------------
		819	align 4
		820	check_mouse_area_for_getpixel_new:
		821	; in:
		822	; eax = x
		823	; ebx = y
		824	; out:
		825	; ecx = new color
		826	;--------------------------------------
		827	; check for Y
		828	cmp bx, [Y_UNDER_subtraction_CUR_hot_y]
		829	jb .no_mouse_area
2288	clevermous	830
2430	mario79	831	cmp bx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		832	jae .no_mouse_area
		833	;--------------------------------------
		834	; check for X
		835	cmp ax, [X_UNDER_subtraction_CUR_hot_x]
		836	jb .no_mouse_area
2288	clevermous	837
2430	mario79	838	cmp ax, [X_UNDER_sub_CUR_hot_x_add_curh]
		839	jae .no_mouse_area
		840	;--------------------------------------
		841	push eax ebx
		842	; offset X
		843	mov ecx, [X_UNDER_subtraction_CUR_hot_x]
		844	sub eax, ecx ; x1
		845	; offset Y
		846	mov ecx, [Y_UNDER_subtraction_CUR_hot_y]
		847	sub ebx, ecx ; y1
		848	;--------------------------------------
		849	; ebx = offset y
		850	; eax = offset x
		851	imul ebx, [cur.w] ;y
		852	add eax, ebx
		853	mov ebx, eax
		854	shl eax, 2
		855	cmp [ScreenBPP], byte 32
		856	je @f
		857	sub eax, ebx
		858	;--------------------------------------
2288	clevermous	859	align 4
2430	mario79	860	@@:
		861	add eax, cur_saved_data
		862	mov ecx, [eax]
		863	and ecx, 0xffffff
		864	add ecx, 0xff000000
		865	pop ebx eax
		866	ret
		867	;--------------------------------------
		868	align 4
		869	.no_mouse_area:
		870	xor ecx, ecx
		871	ret
		872	;-----------------------------------------------------------------------------
		873	align 4
		874	check_mouse_area_for_putpixel_new:
		875	; in:
		876	; ecx = x shl 16 + y
		877	; eax = color
		878	; out:
		879	; eax = new color
		880	;--------------------------------------
		881	; check for Y
		882	cmp cx, [Y_UNDER_subtraction_CUR_hot_y]
		883	jb .no_mouse_area
		884
		885	cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		886	jae .no_mouse_area
		887
		888	rol ecx, 16
		889	;--------------------------------------
		890	; check for X
		891	cmp cx, [X_UNDER_subtraction_CUR_hot_x]
		892	jb .no_mouse_area
		893
		894	cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh]
		895	jae .no_mouse_area
		896	;--------------------------------------
		897	align 4
		898	.1:
		899	push eax
		900	; offset X
		901	mov ax, [X_UNDER_subtraction_CUR_hot_x]
		902	sub cx, ax ; x1
		903	ror ecx, 16
		904	; offset Y
		905	mov ax, [Y_UNDER_subtraction_CUR_hot_y]
		906	sub cx, ax ; y1
		907	;--------------------------------------
		908	; ecx = (offset x) shl 16 + (offset y)
		909	push ebx
		910	mov ebx, ecx
		911	shr ebx, 16 ; x
		912	and ecx, 0xffff ; y
		913	; ecx = offset y
		914	; ebx = offset x
		915	mov eax, [esp + 4]
		916
		917	push ebx ecx
		918	imul ecx, [cur.w] ;y
		919	add ecx, ebx
		920	mov ebx, ecx
		921	shl ecx, 2
		922	cmp [ScreenBPP], byte 24
		923	je .24
		924	and eax, 0xFFFFFF
		925	mov [ecx + cur_saved_data], eax ;store new color to
		926	jmp @f
		927	;--------------------------------------
		928	align 4
		929	.24:
		930	sub ecx, ebx
		931	mov [ecx + cur_saved_data], ax ;store new color to
		932	shr eax, 16
		933	mov [ecx + cur_saved_data + 2], al ;store new color to
		934	;--------------------------------------
		935	align 4
		936	@@:
		937	pop ecx ebx
		938
		939	shl ecx, 5
		940	add ecx, ebx
		941
		942	mov eax, [current_cursor]
		943	mov eax, [eax+CURSOR.base]
		944	lea eax, [eax+ecx*4]
		945	mov eax, [eax]
		946
		947	pop ebx
		948
		949	test eax, 0xFF000000
		950	jz @f
		951
		952	pop ecx
		953	ret
		954	;--------------------------------------
		955	align 4
		956	@@:
		957	pop eax
		958	;--------------------------------------
		959	align 4
		960	.no_mouse_area:
		961	ret
		962	;------------------------------------------------------------------------------
		963	align 4
2288	clevermous	964	get_display:
		965	mov eax, _display
		966	ret
2430	mario79	967	;------------------------------------------------------------------------------
2288	clevermous	968	align 4
		969	init_display:
		970	xor eax, eax
		971	mov edi, _display
		972
		973	mov [edi+display_t.init_cursor], eax
		974	mov [edi+display_t.select_cursor], eax
		975	mov [edi+display_t.show_cursor], eax
		976	mov [edi+display_t.move_cursor], eax
		977	mov [edi+display_t.restore_cursor], eax
		978
		979	lea ecx, [edi+display_t.cr_list.next]
		980	mov [edi+display_t.cr_list.next], ecx
		981	mov [edi+display_t.cr_list.prev], ecx
		982
		983	cmp [SCR_MODE], word 0x13
		984	jbe .fail
		985
		986	test word [SCR_MODE], 0x4000
		987	jz .fail
2430	mario79	988	; jmp .fail
2288	clevermous	989
		990	mov ebx, restore_32
		991	mov ecx, move_cursor_32
		992	movzx eax, byte [ScreenBPP]
		993	cmp eax, 32
		994	je @F
		995
		996	mov ebx, restore_24
		997	mov ecx, move_cursor_24
		998	cmp eax, 24
		999	jne .fail
2430	mario79	1000	;--------------------------------------
		1001	align 4
2288	clevermous	1002	@@:
		1003	mov [_display.select_cursor], select_cursor
		1004	mov [_display.move_cursor], ecx
		1005	mov [_display.restore_cursor], ebx
2430	mario79	1006	mov [_display.check_mouse], check_mouse_area_for_putpixel_new
		1007	mov [_display.check_m_pixel], check_mouse_area_for_getpixel_new
2288	clevermous	1008
2436	mario79	1009	cmp [PUTPIXEL], dword VGA_putpixel
		1010	je @f
		1011	cmp [ScreenBPP], byte 32
		1012	je .32
		1013	mov [PUTPIXEL], dword Vesa20_putpixel24_new
		1014	jmp @f
		1015	;--------------------------------------
		1016	align 4
		1017	.32:
		1018	mov [PUTPIXEL], dword Vesa20_putpixel32_new
		1019	;--------------------------------------
		1020	align 4
		1021	@@:
2288	clevermous	1022	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		1023	mov [def_cursor], eax
		1024	ret
2430	mario79	1025	;--------------------------------------
		1026	align 4
2288	clevermous	1027	.fail:
		1028	xor eax, eax
		1029	mov [_display.select_cursor], eax
		1030	mov [_display.move_cursor], eax
		1031	ret
2430	mario79	1032	;------------------------------------------------------------------------------
2288	clevermous	1033	align 4
		1034	def_arrow:
		1035	file 'arrow.cur'
2430	mario79	1036	;------------------------------------------------------------------------------
2288	clevermous	1037

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(root)/kernel/trunk/video/cursors.inc @ 5351 – Rev 2446