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

Rev	Author	Line No.	Line
2288	clevermous	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
5154	hidnplayr	3	;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;;
2288	clevermous	4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 5154 $
		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]
4507	lev	298	jmp .end
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]
4507	lev	305	align 4
		306	.end:
		307	mov [redrawmouse_unconditional], 1
		308	call __sys_draw_pointer
2288	clevermous	309	ret
		310	endp
2430	mario79	311	;------------------------------------------------------------------------------
		312	align 4
2288	clevermous	313	; param
		314	; eax= pid
		315	; ebx= src
		316	; ecx= flags
		317
		318	create_cursor:
		319	.src equ esp
		320	.flags equ esp+4
		321	.hcursor equ esp+8
		322
		323	sub esp, 4 ;space for .hcursor
		324	push ecx
		325	push ebx
		326
		327	mov ebx, eax
2384	hidnplayr	328	mov eax, sizeof.CURSOR
2288	clevermous	329	call create_kernel_object
		330	test eax, eax
		331	jz .fail
		332
		333	mov [.hcursor], eax
		334
		335	xor ebx, ebx
		336	mov [eax+CURSOR.magic], 'CURS'
		337	mov [eax+CURSOR.destroy], destroy_cursor
		338	mov [eax+CURSOR.hot_x], ebx
		339	mov [eax+CURSOR.hot_y], ebx
		340
		341	stdcall kernel_alloc, 0x1000
		342	test eax, eax
		343	jz .fail
		344
		345	mov edi, [.hcursor]
		346	mov [edi+CURSOR.base], eax
		347
		348	mov esi, [.src]
		349	mov ebx, [.flags]
		350	cmp bx, LOAD_INDIRECT
		351	je .indirect
		352
		353	movzx ecx, word [esi+10]
		354	movzx edx, word [esi+12]
		355	mov [edi+CURSOR.hot_x], ecx
		356	mov [edi+CURSOR.hot_y], edx
		357
		358	stdcall init_cursor, eax, esi
		359
2473	Serge	360	align 4
		361	.add_cursor:
2337	Serge	362	mov ecx, [.hcursor]
		363	lea ecx, [ecx+CURSOR.list_next]
2288	clevermous	364	lea edx, [_display.cr_list.next]
		365
		366	pushfd
		367	cli
2337	Serge	368	list_add ecx, edx ;list_add_tail(new, head)
2288	clevermous	369	popfd
		370
		371	mov eax, [.hcursor]
		372	cmp [_display.init_cursor], 0
		373	je .fail
		374
		375	push eax
		376	call [_display.init_cursor]
		377	add esp, 4
		378
		379	mov eax, [.hcursor]
2430	mario79	380	;--------------------------------------
		381	align 4
2288	clevermous	382	.fail:
		383	add esp, 12
		384	ret
2430	mario79	385	;--------------------------------------
		386	align 4
2288	clevermous	387	.indirect:
		388	shr ebx, 16
		389	movzx ecx, bh
		390	movzx edx, bl
2483	mario79	391	mov [edi+CURSOR.hot_x], ecx
		392	mov [edi+CURSOR.hot_y], edx
2288	clevermous	393
		394	xchg edi, eax
		395	mov ecx, 1024
		396	cld
		397	rep movsd
2473	Serge	398	jmp .add_cursor
2430	mario79	399	;------------------------------------------------------------------------------
2288	clevermous	400	align 4
		401	proc load_cursor stdcall, src:dword, flags:dword
		402	locals
		403	handle dd ?
		404	endl
		405
		406	xor eax, eax
		407	cmp [create_cursor], eax
		408	je .fail2
		409
		410	mov [handle], eax
		411	cmp word [flags], LOAD_FROM_FILE
		412	jne @F
		413
		414	stdcall load_file, [src]
		415	test eax, eax
		416	jz .fail
		417	mov [src], eax
2430	mario79	418	;--------------------------------------
		419	align 4
2288	clevermous	420	@@:
		421	push ebx
		422	push esi
		423	push edi
		424
		425	mov eax, [CURRENT_TASK]
		426	shl eax, 5
		427	mov eax, [CURRENT_TASK+eax+4]
		428	mov ebx, [src]
		429	mov ecx, [flags]
		430	call create_cursor ;eax, ebx, ecx
		431	mov [handle], eax
		432
		433	cmp word [flags], LOAD_FROM_FILE
		434	jne .exit
		435	stdcall kernel_free, [src]
2430	mario79	436	;--------------------------------------
		437	align 4
2288	clevermous	438	.exit:
		439	pop edi
		440	pop esi
		441	pop ebx
2430	mario79	442	;--------------------------------------
		443	align 4
2288	clevermous	444	.fail:
		445	mov eax, [handle]
2430	mario79	446	;--------------------------------------
		447	align 4
2288	clevermous	448	.fail2:
		449	ret
		450	endp
2430	mario79	451	;------------------------------------------------------------------------------
2288	clevermous	452	align 4
		453	proc delete_cursor stdcall, hcursor:dword
		454
3069	serge	455	; DEBUGF 1,'K : delete_cursor %x\n', [hcursor]
		456
2288	clevermous	457	mov esi, [hcursor]
3069	serge	458
2288	clevermous	459	cmp [esi+CURSOR.magic], 'CURS'
		460	jne .fail
		461
		462	mov ebx, [CURRENT_TASK]
		463	shl ebx, 5
		464	mov ebx, [CURRENT_TASK+ebx+4]
		465	cmp ebx, [esi+CURSOR.pid]
		466	jne .fail
		467
		468	mov ebx, [current_slot]
		469	cmp esi, [ebx+APPDATA.cursor]
		470	jne @F
		471	mov eax, [def_cursor]
		472	mov [ebx+APPDATA.cursor], eax
2430	mario79	473	;--------------------------------------
		474	align 4
2288	clevermous	475	@@:
		476	mov eax, [hcursor]
		477	call [eax+APPOBJ.destroy]
2430	mario79	478	;--------------------------------------
		479	align 4
2288	clevermous	480	.fail:
		481	ret
		482	endp
2430	mario79	483	;------------------------------------------------------------------------------
		484	align 4
2288	clevermous	485	; param
		486	; eax= cursor
		487	destroy_cursor:
		488
		489	push eax
		490	stdcall kernel_free, [eax+CURSOR.base]
2337	Serge	491
		492	mov eax, [esp]
		493	lea eax, [eax+CURSOR.list_next]
		494
		495	pushfd
		496	cli
		497	list_del eax
		498	popfd
		499
2288	clevermous	500	pop eax
		501	call destroy_kernel_object
		502	ret
2430	mario79	503	;------------------------------------------------------------------------------
2288	clevermous	504	align 4
		505	select_cursor:
		506	mov eax, [esp+4]
		507	mov [_display.cursor], eax
		508	ret 4
2430	mario79	509	;------------------------------------------------------------------------------
2288	clevermous	510	align 4
		511	proc restore_24 stdcall, x:dword, y:dword
		512
		513	push ebx
		514
		515	mov ebx, [cur_saved_base]
		516	mov edx, [cur.h]
		517	test edx, edx
		518	jz .ret
		519
		520	push esi
		521	push edi
		522
		523	mov esi, cur_saved_data
		524	mov ecx, [cur.w]
		525	lea ecx, [ecx+ecx*2]
		526	push ecx
2430	mario79	527	;--------------------------------------
		528	align 4
2288	clevermous	529	@@:
		530	mov edi, ebx
3606	Serge	531	add ebx, [_display.pitch]
2288	clevermous	532
		533	mov ecx, [esp]
		534	rep movsb
		535	dec edx
		536	jnz @B
		537
		538	pop ecx
		539	pop edi
		540	pop esi
2430	mario79	541	;--------------------------------------
		542	align 4
2288	clevermous	543	.ret:
		544	pop ebx
		545	ret
		546	endp
2430	mario79	547	;------------------------------------------------------------------------------
2288	clevermous	548	align 4
		549	proc restore_32 stdcall, x:dword, y:dword
		550
		551	push ebx
		552
		553	mov ebx, [cur_saved_base]
		554	mov edx, [cur.h]
		555	test edx, edx
		556	jz .ret
		557
		558	push esi
		559	push edi
		560
		561	mov esi, cur_saved_data
2430	mario79	562	;--------------------------------------
		563	align 4
2288	clevermous	564	@@:
		565	mov edi, ebx
3606	Serge	566	add ebx, [_display.pitch]
2288	clevermous	567
		568	mov ecx, [cur.w]
		569	rep movsd
		570	dec edx
		571	jnz @B
		572
		573	pop edi
2430	mario79	574	;--------------------------------------
		575	align 4
2288	clevermous	576	.ret:
		577	pop esi
		578	pop ebx
		579	ret
		580	endp
2430	mario79	581	;------------------------------------------------------------------------------
2288	clevermous	582	align 4
5154	hidnplayr	583	proc restore_16 stdcall, x:dword, y:dword
		584
		585	push ebx
		586
		587	mov ebx, [cur_saved_base]
		588	mov edx, [cur.h]
		589	test edx, edx
		590	jz .ret
		591
		592	push esi
		593	push edi
		594
		595	mov esi, cur_saved_data
		596	;--------------------------------------
		597	align 4
		598	@@:
		599	mov edi, ebx
		600	add ebx, [_display.pitch]
		601
		602	mov ecx, [cur.w]
		603	rep movsw
		604	dec edx
		605	jnz @B
		606
		607	pop edi
		608	;--------------------------------------
		609	align 4
		610	.ret:
		611	pop esi
		612	pop ebx
		613	ret
		614	endp
		615	;------------------------------------------------------------------------------
		616	align 4
2288	clevermous	617	proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
		618	locals
		619	h dd ?
		620	_dx dd ?
		621	_dy dd ?
		622	endl
		623
		624	mov esi, [hcursor]
		625	mov ecx, [x]
		626	mov eax, [y]
2446	mario79	627	; mov ebx, [BytesPerScanLine]
2288	clevermous	628
		629	xor edx, edx
		630	sub ecx, [esi+CURSOR.hot_x]
		631	lea ebx, [ecx+32-1]
		632	mov [x], ecx
		633	sets dl
		634	dec edx
		635	and ecx, edx ;clip x to 0<=x
		636	mov [cur.left], ecx
		637	mov edi, ecx
		638	sub edi, [x]
		639	mov [_dx], edi
		640
		641	xor edx, edx
		642	sub eax, [esi+CURSOR.hot_y]
		643	lea edi, [eax+32-1]
		644	mov [y], eax
		645	sets dl
		646	dec edx
		647	and eax, edx ;clip y to 0<=y
		648	mov [cur.top], eax
		649	mov edx, eax
		650	sub edx, [y]
		651	mov [_dy], edx
		652
2446	mario79	653	; mul dword [BytesPerScanLine]
2480	mario79	654	mov eax, [BPSLine_calc_area+eax*4]
2288	clevermous	655	lea edx, [LFB_BASE+ecx*3]
		656	add edx, eax
		657	mov [cur_saved_base], edx
		658
		659	cmp ebx, [Screen_Max_X]
		660	jbe @F
		661	mov ebx, [Screen_Max_X]
2430	mario79	662	;--------------------------------------
		663	align 4
2288	clevermous	664	@@:
		665	cmp edi, [Screen_Max_Y]
		666	jbe @F
		667	mov edi, [Screen_Max_Y]
2430	mario79	668	;--------------------------------------
		669	align 4
2288	clevermous	670	@@:
		671	mov [cur.right], ebx
		672	mov [cur.bottom], edi
		673
		674	sub ebx, [x]
		675	sub edi, [y]
		676	inc ebx
		677	inc edi
2576	mario79	678	sub ebx, [_dx]
		679	sub edi, [_dy]
2288	clevermous	680
		681	mov [cur.w], ebx
		682	mov [cur.h], edi
		683	mov [h], edi
		684
		685	mov eax, edi
		686	mov edi, cur_saved_data
2430	mario79	687	;--------------------------------------
		688	align 4
2288	clevermous	689	@@:
		690	mov esi, edx
3606	Serge	691	add edx, [_display.pitch]
2288	clevermous	692	mov ecx, [cur.w]
		693	lea ecx, [ecx+ecx*2]
		694	rep movsb
		695	dec eax
		696	jnz @B
		697
		698	;draw cursor
		699	mov ebx, [cur_saved_base]
		700	mov eax, [_dy]
		701	shl eax, 5
		702	add eax, [_dx]
		703
		704	mov esi, [hcursor]
		705	mov esi, [esi+CURSOR.base]
		706	lea edx, [esi+eax*4]
2430	mario79	707	;--------------------------------------
		708	align 4
2288	clevermous	709	.row:
		710	mov ecx, [cur.w]
		711	mov esi, edx
		712	mov edi, ebx
		713	add edx, 32*4
3606	Serge	714	add ebx, [_display.pitch]
2430	mario79	715	;--------------------------------------
		716	align 4
2288	clevermous	717	.pix:
		718	lodsd
		719	test eax, 0xFF000000
		720	jz @F
		721	mov [edi], ax
		722	shr eax, 16
		723	mov [edi+2], al
2430	mario79	724	;--------------------------------------
		725	align 4
2288	clevermous	726	@@:
		727	add edi, 3
		728	dec ecx
		729	jnz .pix
		730
		731	dec [h]
		732	jnz .row
		733	ret
		734	endp
2430	mario79	735	;------------------------------------------------------------------------------
2288	clevermous	736	align 4
		737	proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
		738	locals
		739	h dd ?
		740	_dx dd ?
		741	_dy dd ?
		742	endl
		743
		744	mov esi, [hcursor]
		745	mov ecx, [x]
		746	mov eax, [y]
		747
		748	xor edx, edx
		749	sub ecx, [esi+CURSOR.hot_x]
		750	lea ebx, [ecx+32-1]
		751	mov [x], ecx
		752	sets dl
		753	dec edx
		754	and ecx, edx ;clip x to 0<=x
		755	mov [cur.left], ecx
		756	mov edi, ecx
		757	sub edi, [x]
		758	mov [_dx], edi
		759
		760	xor edx, edx
		761	sub eax, [esi+CURSOR.hot_y]
		762	lea edi, [eax+32-1]
		763	mov [y], eax
		764	sets dl
		765	dec edx
		766	and eax, edx ;clip y to 0<=y
		767	mov [cur.top], eax
		768	mov edx, eax
		769	sub edx, [y]
		770	mov [_dy], edx
		771
2446	mario79	772	; mul dword [BytesPerScanLine]
2480	mario79	773	mov eax, [BPSLine_calc_area+eax*4]
2288	clevermous	774	lea edx, [LFB_BASE+eax+ecx*4]
		775	mov [cur_saved_base], edx
		776
		777	cmp ebx, [Screen_Max_X]
		778	jbe @F
		779	mov ebx, [Screen_Max_X]
2430	mario79	780	;--------------------------------------
		781	align 4
2288	clevermous	782	@@:
		783	cmp edi, [Screen_Max_Y]
		784	jbe @F
		785	mov edi, [Screen_Max_Y]
2430	mario79	786	;--------------------------------------
		787	align 4
2288	clevermous	788	@@:
		789	mov [cur.right], ebx
		790	mov [cur.bottom], edi
		791
		792	sub ebx, [x]
		793	sub edi, [y]
		794	inc ebx
		795	inc edi
2576	mario79	796	sub ebx, [_dx]
		797	sub edi, [_dy]
2288	clevermous	798
		799	mov [cur.w], ebx
		800	mov [cur.h], edi
		801	mov [h], edi
		802
		803	mov eax, edi
		804	mov edi, cur_saved_data
2430	mario79	805	;--------------------------------------
		806	align 4
2288	clevermous	807	@@:
		808	mov esi, edx
3606	Serge	809	add edx, [_display.pitch]
2288	clevermous	810	mov ecx, [cur.w]
		811	rep movsd
		812	dec eax
		813	jnz @B
		814
		815	;draw cursor
		816	mov ebx, [cur_saved_base]
		817	mov eax, [_dy]
		818	shl eax, 5
		819	add eax, [_dx]
		820
		821	mov esi, [hcursor]
		822	mov esi, [esi+CURSOR.base]
		823	lea edx, [esi+eax*4]
2430	mario79	824	;--------------------------------------
		825	align 4
2288	clevermous	826	.row:
		827	mov ecx, [cur.w]
		828	mov esi, edx
		829	mov edi, ebx
		830	add edx, 32*4
3606	Serge	831	add ebx, [_display.pitch]
2430	mario79	832	;--------------------------------------
		833	align 4
2288	clevermous	834	.pix:
		835	lodsd
		836	test eax, 0xFF000000
		837	jz @F
		838	mov [edi], eax
2430	mario79	839	;--------------------------------------
		840	align 4
2288	clevermous	841	@@:
		842	add edi, 4
		843	dec ecx
		844	jnz .pix
		845
		846	dec [h]
		847	jnz .row
		848	ret
		849	endp
2430	mario79	850	;------------------------------------------------------------------------------
		851	align 4
5154	hidnplayr	852	proc move_cursor_16 stdcall, hcursor:dword, x:dword, y:dword
		853	locals
		854	h dd ?
		855	_dx dd ?
		856	_dy dd ?
		857	endl
		858
		859	mov esi, [hcursor]
		860	mov ecx, [x]
		861	mov eax, [y]
		862
		863	xor edx, edx
		864	sub ecx, [esi+CURSOR.hot_x]
		865	lea ebx, [ecx+32-1]
		866	mov [x], ecx
		867	sets dl
		868	dec edx
		869	and ecx, edx ;clip x to 0<=x
		870	mov [cur.left], ecx
		871	mov edi, ecx
		872	sub edi, [x]
		873	mov [_dx], edi
		874
		875	xor edx, edx
		876	sub eax, [esi+CURSOR.hot_y]
		877	lea edi, [eax+32-1]
		878	mov [y], eax
		879	sets dl
		880	dec edx
		881	and eax, edx ;clip y to 0<=y
		882	mov [cur.top], eax
		883	mov edx, eax
		884	sub edx, [y]
		885	mov [_dy], edx
		886
		887	; mul dword [BytesPerScanLine]
		888	mov eax, [BPSLine_calc_area+eax*4]
		889	lea edx, [LFB_BASE+eax+ecx*2]
		890	mov [cur_saved_base], edx
		891
		892	cmp ebx, [Screen_Max_X]
		893	jbe @F
		894	mov ebx, [Screen_Max_X]
		895	;--------------------------------------
		896	align 4
		897	@@:
		898	cmp edi, [Screen_Max_Y]
		899	jbe @F
		900	mov edi, [Screen_Max_Y]
		901	;--------------------------------------
		902	align 4
		903	@@:
		904	mov [cur.right], ebx
		905	mov [cur.bottom], edi
		906
		907	sub ebx, [x]
		908	sub edi, [y]
		909	inc ebx
		910	inc edi
		911	sub ebx, [_dx]
		912	sub edi, [_dy]
		913
		914	mov [cur.w], ebx
		915	mov [cur.h], edi
		916	mov [h], edi
		917
		918	mov eax, edi
		919	mov edi, cur_saved_data
		920	;--------------------------------------
		921	align 4
		922	@@:
		923	mov esi, edx
		924	add edx, [_display.pitch]
		925	mov ecx, [cur.w]
		926
		927	rep movsw
		928	dec eax
		929	jnz @B
		930
		931	;draw cursor
		932	mov ebx, [cur_saved_base]
		933	mov eax, [_dy]
		934	shl eax, 5
		935	add eax, [_dx]
		936
		937	mov esi, [hcursor]
		938	mov esi, [esi+CURSOR.base]
		939	lea edx, [esi+eax*4]
		940	;--------------------------------------
		941	align 4
		942	.row:
		943	mov ecx, [cur.w]
		944	mov esi, edx
		945	mov edi, ebx
		946	add edx, 32*4
		947	add ebx, [_display.pitch]
		948	;--------------------------------------
		949	align 4
		950	.pix:
		951	lodsd
		952	test eax, 0xFF000000
		953	jz @F
		954	; convert to 16 bpp and store to real LFB
		955	and eax, 00000000111110001111110011111000b
		956	shr ah, 2
		957	shr ax, 3
		958	ror eax, 8
		959	add al, ah
		960	rol eax, 8
		961	mov [edi], ax
		962	;--------------------------------------
		963	align 4
		964	@@:
		965	add edi, 2
		966	dec ecx
		967	jnz .pix
		968
		969	dec [h]
		970	jnz .row
		971	ret
		972	endp
		973	;------------------------------------------------------------------------------
		974	align 4
2430	mario79	975	check_mouse_area_for_getpixel_new:
		976	; in:
		977	; eax = x
		978	; ebx = y
		979	; out:
		980	; ecx = new color
		981	;--------------------------------------
		982	; check for Y
		983	cmp bx, [Y_UNDER_subtraction_CUR_hot_y]
		984	jb .no_mouse_area
2288	clevermous	985
2430	mario79	986	cmp bx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		987	jae .no_mouse_area
		988	;--------------------------------------
		989	; check for X
		990	cmp ax, [X_UNDER_subtraction_CUR_hot_x]
		991	jb .no_mouse_area
2288	clevermous	992
2430	mario79	993	cmp ax, [X_UNDER_sub_CUR_hot_x_add_curh]
		994	jae .no_mouse_area
		995	;--------------------------------------
		996	push eax ebx
		997	; offset X
2575	mario79	998	movzx ecx, word [X_UNDER_subtraction_CUR_hot_x]
2430	mario79	999	sub eax, ecx ; x1
		1000	; offset Y
2575	mario79	1001	movzx ecx, word [Y_UNDER_subtraction_CUR_hot_y]
2430	mario79	1002	sub ebx, ecx ; y1
		1003	;--------------------------------------
		1004	; ebx = offset y
		1005	; eax = offset x
		1006	imul ebx, [cur.w] ;y
		1007	add eax, ebx
		1008	mov ebx, eax
		1009	shl eax, 2
5154	hidnplayr	1010	cmp byte [_display.bits_per_pixel], 32
2430	mario79	1011	je @f
		1012	sub eax, ebx
5154	hidnplayr	1013	cmp byte [_display.bits_per_pixel], 24
		1014	je @f
		1015	sub eax, ebx
2430	mario79	1016	;--------------------------------------
2288	clevermous	1017	align 4
2430	mario79	1018	@@:
		1019	add eax, cur_saved_data
		1020	mov ecx, [eax]
		1021	and ecx, 0xffffff
		1022	add ecx, 0xff000000
		1023	pop ebx eax
		1024	ret
		1025	;--------------------------------------
		1026	align 4
		1027	.no_mouse_area:
		1028	xor ecx, ecx
		1029	ret
		1030	;-----------------------------------------------------------------------------
		1031	align 4
		1032	check_mouse_area_for_putpixel_new:
		1033	; in:
		1034	; ecx = x shl 16 + y
		1035	; eax = color
		1036	; out:
		1037	; eax = new color
		1038	;--------------------------------------
		1039	; check for Y
		1040	cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		1041	jae .no_mouse_area
		1042
2575	mario79	1043	sub cx, [Y_UNDER_subtraction_CUR_hot_y]
		1044	jb .no_mouse_area
		1045
2430	mario79	1046	rol ecx, 16
		1047	;--------------------------------------
		1048	; check for X
2575	mario79	1049	cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh]
		1050	jae .no_mouse_area
		1051
		1052	sub cx, [X_UNDER_subtraction_CUR_hot_x]
2430	mario79	1053	jb .no_mouse_area
		1054
2575	mario79	1055	ror ecx, 16
2430	mario79	1056	;--------------------------------------
		1057	align 4
		1058	.1:
		1059	push eax
		1060	;--------------------------------------
		1061	; ecx = (offset x) shl 16 + (offset y)
		1062	push ebx
		1063	mov ebx, ecx
		1064	shr ebx, 16 ; x
		1065	and ecx, 0xffff ; y
2575	mario79	1066
		1067	cmp ecx, [cur.h]
		1068	jae @f
		1069
		1070	cmp ebx, [cur.w]
		1071	jb .ok
		1072	;--------------------------------------
		1073	align 4
		1074	@@:
		1075	; DEBUGF 1, "K : SHIT HAPPENS: %x %x \n", ecx,ebx
		1076	pop ebx
		1077	jmp .sh ; SORRY! SHIT HAPPENS!
		1078	;--------------------------------------
		1079	align 4
		1080	.ok:
2430	mario79	1081	; ecx = offset y
		1082	; ebx = offset x
		1083	push ebx ecx
		1084	imul ecx, [cur.w] ;y
		1085	add ecx, ebx
		1086	mov ebx, ecx
		1087	shl ecx, 2
5154	hidnplayr	1088	cmp byte [_display.bits_per_pixel], 16
		1089	je .16
		1090	cmp byte [_display.bits_per_pixel], 24
2430	mario79	1091	je .24
		1092	and eax, 0xFFFFFF
		1093	mov [ecx + cur_saved_data], eax ;store new color to
		1094	jmp @f
		1095	;--------------------------------------
		1096	align 4
5154	hidnplayr	1097	.16:
		1098	sub ecx, ebx
		1099	sub ecx, ebx
		1100	; convert to 16 bpp and store to real LFB
		1101	and eax, 00000000111110001111110011111000b
		1102	shr ah, 2
		1103	shr ax, 3
		1104	ror eax, 8
		1105	add al, ah
		1106	rol eax, 8
		1107	mov [ecx + cur_saved_data], ax ;store new color to
		1108	jmp @f
		1109	;--------------------------------------
		1110	align 4
2430	mario79	1111	.24:
		1112	sub ecx, ebx
		1113	mov [ecx + cur_saved_data], ax ;store new color to
		1114	shr eax, 16
		1115	mov [ecx + cur_saved_data + 2], al ;store new color to
		1116	;--------------------------------------
		1117	align 4
		1118	@@:
		1119	pop ecx ebx
		1120
		1121	shl ecx, 5
		1122	add ecx, ebx
		1123
		1124	mov eax, [current_cursor]
		1125	mov eax, [eax+CURSOR.base]
		1126	lea eax, [eax+ecx*4]
		1127	mov eax, [eax]
		1128
		1129	pop ebx
		1130
		1131	test eax, 0xFF000000
		1132	jz @f
		1133
2652	mario79	1134	add esp, 4
2430	mario79	1135	ret
		1136	;--------------------------------------
		1137	align 4
2575	mario79	1138	.sh:
		1139	mov ecx, -1
		1140	;--------------------------------------
		1141	align 4
2430	mario79	1142	@@:
		1143	pop eax
		1144	;--------------------------------------
		1145	align 4
		1146	.no_mouse_area:
		1147	ret
		1148	;------------------------------------------------------------------------------
		1149	align 4
2288	clevermous	1150	get_display:
		1151	mov eax, _display
		1152	ret
2430	mario79	1153	;------------------------------------------------------------------------------
2288	clevermous	1154	align 4
		1155	init_display:
		1156	xor eax, eax
		1157	mov edi, _display
		1158
		1159	mov [edi+display_t.init_cursor], eax
		1160	mov [edi+display_t.select_cursor], eax
		1161	mov [edi+display_t.show_cursor], eax
		1162	mov [edi+display_t.move_cursor], eax
		1163	mov [edi+display_t.restore_cursor], eax
		1164
		1165	lea ecx, [edi+display_t.cr_list.next]
		1166	mov [edi+display_t.cr_list.next], ecx
		1167	mov [edi+display_t.cr_list.prev], ecx
		1168
		1169	cmp [SCR_MODE], word 0x13
		1170	jbe .fail
		1171
		1172	test word [SCR_MODE], 0x4000
		1173	jz .fail
		1174
		1175	mov ebx, restore_32
		1176	mov ecx, move_cursor_32
3537	Serge	1177	mov edx, Vesa20_putpixel32_new
5154	hidnplayr	1178	mov eax, [_display.bits_per_pixel]
3537	Serge	1179	cmp al, 32
5154	hidnplayr	1180	jne .not_32bpp
2288	clevermous	1181
3537	Serge	1182	.set:
2288	clevermous	1183	mov [_display.select_cursor], select_cursor
		1184	mov [_display.move_cursor], ecx
		1185	mov [_display.restore_cursor], ebx
2430	mario79	1186	mov [_display.check_mouse], check_mouse_area_for_putpixel_new
		1187	mov [_display.check_m_pixel], check_mouse_area_for_getpixel_new
2288	clevermous	1188
2436	mario79	1189	cmp [PUTPIXEL], dword VGA_putpixel
		1190	je @f
3537	Serge	1191	mov [PUTPIXEL], edx
2436	mario79	1192	@@:
2497	mario79	1193	stdcall load_cursor, clock_arrow, dword LOAD_FROM_MEM
		1194	mov [def_cursor_clock], eax
2288	clevermous	1195	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		1196	mov [def_cursor], eax
		1197	ret
3537	Serge	1198
5154	hidnplayr	1199	.not_32bpp:
		1200	cmp al, 24
		1201	jne .not_24bpp
		1202
3537	Serge	1203	mov ebx, restore_24
		1204	mov ecx, move_cursor_24
		1205	mov edx, Vesa20_putpixel24_new
5154	hidnplayr	1206	jmp .set
3537	Serge	1207
5154	hidnplayr	1208	.not_24bpp:
		1209	cmp al, 16
		1210	jne .not_16bpp
		1211	mov ebx, restore_16
		1212	mov ecx, move_cursor_16
		1213	mov edx, Vesa20_putpixel16_new
		1214	jmp .set
		1215
		1216	.not_16bpp:
		1217	; cmp al, 15
		1218	; jne .fail
		1219	; mov ebx, restore_15
		1220	; mov ecx, move_cursor_15
		1221	; mov edx, Vesa20_putpixel15_new
		1222	; jmp .set
		1223
2288	clevermous	1224	.fail:
		1225	xor eax, eax
		1226	mov [_display.select_cursor], eax
		1227	mov [_display.move_cursor], eax
		1228	ret
2430	mario79	1229	;------------------------------------------------------------------------------
2288	clevermous	1230	align 4
		1231	def_arrow:
		1232	file 'arrow.cur'
2430	mario79	1233	;------------------------------------------------------------------------------
2497	mario79	1234	align 4
		1235	clock_arrow:
		1236	file 'arrow_clock.cur'
		1237	;------------------------------------------------------------------------------
2288	clevermous	1238

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(root)/kernel/trunk/video/cursors.inc – Rev 5154