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

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: 887 $
		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, 32314
		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, 32314
		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, 32314
		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, 32314
		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
864	serge	316	mov edi, eax
		317	mov ecx, 0x1000
		318	mov edx, PG_SW
		319	call @mem_alloc@8
221	serge	320	test eax, eax
864	serge	321	mov [edi+CURSOR.base], eax
221	serge	322	jz .fail
		323
281	serge	324	mov esi, [.src]
		325	mov ebx, [.flags]
227	serge	326	cmp bx, LOAD_INDIRECT
		327	je .indirect
221	serge	328
227	serge	329	movzx ecx, word [esi+10]
		330	movzx edx, word [esi+12]
		331	mov [edi+CURSOR.hot_x], ecx
		332	mov [edi+CURSOR.hot_y], edx
221	serge	333
227	serge	334	stdcall vesa_init_cursor, eax, esi
281	serge	335	mov eax, [.hcursor]
221	serge	336	.fail:
281	serge	337	add esp, 12
221	serge	338	ret
227	serge	339	.indirect:
		340	shr ebx, 16
		341	movzx ecx, bh
		342	movzx edx, bl
		343	mov [eax+CURSOR.hot_x], ecx
		344	mov [eax+CURSOR.hot_y], edx
221	serge	345
227	serge	346	xchg edi, eax
		347	mov ecx, 1024
		348	cld
		349	rep movsd
281	serge	350	add esp, 12
221	serge	351	ret
		352
		353	align 4
		354	proc load_cursor stdcall, src:dword, flags:dword
		355	locals
		356	handle dd ?
		357	endl
		358
227	serge	359	xor eax, eax
786	serge	360	cmp [create_cursor], eax
		361	je .fail2
		362
227	serge	363	mov [handle], eax
		364	cmp word [flags], LOAD_FROM_FILE
		365	jne @F
221	serge	366
		367	stdcall load_file, [src]
		368	test eax, eax
887	serge	369	mov [src], eax
662	serge	370	jz .fail
227	serge	371	@@:
662	serge	372	push ebx
		373	push esi
		374	push edi
		375
281	serge	376	mov eax, [CURRENT_TASK]
		377	shl eax, 5
379	serge	378	mov eax, [CURRENT_TASK+eax+4]
281	serge	379	mov ebx, [src]
		380	mov ecx, [flags]
		381	call [create_cursor] ;eax, ebx, ecx
221	serge	382	mov [handle], eax
662	serge	383
227	serge	384	cmp word [flags], LOAD_FROM_FILE
		385	jne .exit
887	serge	386
		387	mov ecx, [src]
		388	call @mem_free@4
227	serge	389	.exit:
662	serge	390	pop edi
		391	pop esi
		392	pop ebx
		393	.fail:
221	serge	394	mov eax, [handle]
786	serge	395	.fail2:
221	serge	396	ret
		397	endp
		398
		399	align 4
233	serge	400	proc delete_cursor stdcall, hcursor:dword
		401	locals
		402	hsrv dd ?
		403	io_code dd ?
		404	input dd ?
		405	inp_size dd ?
		406	output dd ?
		407	out_size dd ?
		408	endl
		409
		410	mov esi, [hcursor]
		411	cmp [esi+CURSOR.magic], 'CURS'
		412	jne .fail
281	serge	413	; cmp [esi+CURSOR.size], CURSOR_SIZE
		414	; jne .fail
233	serge	415
		416	mov ebx, [CURRENT_TASK]
		417	shl ebx, 5
379	serge	418	mov ebx, [CURRENT_TASK+ebx+4]
233	serge	419	cmp ebx, [esi+CURSOR.pid]
		420	jne .fail
		421
465	serge	422	mov ebx, [current_slot]
		423	cmp esi, [ebx+APPDATA.cursor]
233	serge	424	jne @F
		425	mov eax, [def_cursor]
465	serge	426	mov [ebx+APPDATA.cursor], eax
233	serge	427	@@:
		428	mov eax, [hcursor]
281	serge	429	call [eax+APPOBJ.destroy]
233	serge	430	.fail:
		431	ret
		432	endp
		433
281	serge	434	; param
		435	; eax= cursor
		436
233	serge	437	align 4
281	serge	438	destroy_cursor:
		439
		440	push eax
887	serge	441	mov ecx, [eax+CURSOR.base]
		442	call @mem_free@4
281	serge	443	pop eax
		444
		445	call destroy_kernel_object
		446	ret
		447
		448	align 4
638	serge	449	select_cursor:
		450
		451	ret 4
		452
		453	align 4
221	serge	454	proc init_cursors
673	serge	455
381	serge	456	cmp [SCR_MODE],word 0x13
233	serge	457	jbe .fail
		458
673	serge	459	test word [SCR_MODE], 0x4000
		460	jz .fail
		461
221	serge	462	movzx eax, byte [ScreenBPP]
381	serge	463	mov ebx, [BytesPerScanLine]
221	serge	464	cmp eax, 32
		465	jne @F
		466	sub ebx, 128
		467	jmp .init
		468	@@:
		469	cmp eax, 24
		470	jne .fail
		471	sub ebx, 96
		472	.init:
		473	mov [cur_def_interl], ebx
		474
846	serge	475	; stdcall load_driver, szHwMouse
		476	; mov [hw_cursor], eax
		477	; test eax, eax
		478	; jz .sw_mouse
227	serge	479
846	serge	480	; stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		481	; mov [def_cursor], eax
		482	; ret
227	serge	483	.sw_mouse:
		484	mov [create_cursor], vesa_cursor
221	serge	485
227	serge	486	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		487	mov [def_cursor], eax
		488
753	serge	489	mov ecx, [Screen_Max_X]
		490	mov edx, [Screen_Max_Y]
221	serge	491	inc ecx
		492	inc edx
		493	mov [scr_width], ecx
		494	mov [scr_height], edx
		495
		496	movzx ebx, byte [ScreenBPP]
		497	cmp ebx, 32
		498	jne @F
		499
638	serge	500
		501	mov dword [select_hw_cursor], select_cursor
221	serge	502	mov dword [set_hw_cursor], cursor_32
		503	mov dword [hw_restore], restore_32
		504	ret
		505	@@:
638	serge	506	mov dword [select_hw_cursor], select_cursor
221	serge	507	mov dword [set_hw_cursor], cursor_24
		508	mov dword [hw_restore], restore_24
		509	ret
		510	.fail:
		511	xor eax, eax
638	serge	512	mov dword [select_hw_cursor], eax
221	serge	513	mov dword [set_hw_cursor], eax
		514	mov dword [hw_restore], eax
		515	ret
		516	endp
		517
		518	align 4
		519	proc restore_24 stdcall, x:dword, y:dword
		520	locals
		521	w dd ?
		522	endl
		523
		524	mov edi, [cur_saved_base]
		525	mov edx, [cur_saved_h]
		526	mov ebx, [cur_saved_interl]
641	diamond	527	test edx, edx
		528	jz .ret
221	serge	529
		530	mov esi, cur_saved_data
		531	@@:
		532	mov ecx, [cur_saved_w]
		533	lea ecx, [ecx+ecx*2]
		534	rep movsb
		535	add edi, ebx
		536	dec edx
		537	jnz @B
641	diamond	538	.ret:
221	serge	539	ret
		540	endp
		541
		542	align 4
		543	proc restore_32 stdcall, x:dword, y:dword
		544	locals
		545	w dd ?
		546	endl
		547
		548	mov edi, [cur_saved_base]
		549	mov edx, [cur_saved_h]
		550	mov ebx, [cur_saved_interl]
641	diamond	551	test edx, edx
		552	jz .ret
221	serge	553
		554	mov esi, cur_saved_data
		555	@@:
		556	mov ecx, [cur_saved_w]
		557	rep movsd
		558	add edi, ebx
		559	dec edx
		560	jnz @B
641	diamond	561	.ret:
221	serge	562	ret
		563	endp
		564
		565	align 4
		566	proc cursor_24 stdcall, hcursor:dword, x:dword, y:dword
		567	locals
		568	w dd ?
		569	h dd ?
		570	st dd ?
		571	_dx dd ?
		572	_dy dd ?
		573	endl
		574
		575	mov esi, [hcursor]
		576	mov ecx, [x]
		577	mov eax, [y]
		578	mov ebx, [BytesPerScanLine]
		579
		580	xor edx, edx
		581	sub ecx, [esi+CURSOR.hot_x]
		582	mov [x], ecx
		583	sets dl
		584	dec edx
		585	and ecx, edx ;clip x to 0<=x
		586	mov edi, ecx
		587	sub edi, [x]
		588	mov [_dx], edi
		589
		590	xor edx, edx
		591	sub eax, [esi+CURSOR.hot_y]
		592	mov [y], eax
		593	sets dl
		594	dec edx
		595	and eax, edx ;clip y to 0<=y
		596	mov edi, eax
		597	sub edi, [y]
		598	mov [_dy], edi
		599
		600	mul ebx
		601	lea esi, [ecx+ecx*2]
		602	add esi, [LFBAddress]
		603	add esi, eax
		604	mov [cur_saved_base],esi
		605
		606	mov edi, [scr_width]
		607	mov edx, [scr_height]
		608	mov eax, 32
		609
		610	sub edi, ecx
		611	cmp edi, eax
224	serge	612	jng @F
		613	mov edi, eax
		614	@@:
221	serge	615	sub edi, [_dx]
		616
		617	sub edx, [y]
		618	cmp edx, eax
224	serge	619	jng @F
		620	mov edx, eax
		621	@@:
221	serge	622	sub edx, [_dy]
		623
		624	mov [w], edi
		625	mov [h], edx
		626	mov [cur_saved_w], edi
		627	mov [cur_saved_h], edx
		628
		629	sub eax, edi
224	serge	630	shl eax, 2 ;lea eax, [eax+eax*2]
221	serge	631	lea edi, [edi+edi*2]
		632	sub ebx, edi
		633	mov [cur_saved_interl], ebx
		634
		635	mov edi, cur_saved_data
		636	@@:
		637	mov ecx, [w]
		638	lea ecx, [ecx+ecx*2]
		639	rep movsb
		640	add esi, ebx
		641	dec edx
		642	jnz @B
		643
		644	;draw cursor
		645	mov edx, eax
		646	mov edi, [cur_saved_base]
		647	mov eax, [_dy]
		648	shl eax, 5
		649	add eax, [_dx]
		650	shl eax, 2
		651
		652	mov esi, [hcursor]
		653	mov esi, [esi+CURSOR.base]
		654	add esi, eax
		655	.row:
		656	mov ecx, [w]
		657	.pix:
		658	lodsd
		659	test eax, 0xFF000000
		660	jz @F
		661
		662	mov word [edi], ax
		663	shr eax, 16
		664	mov [edi+2],al
		665	@@:
		666	add edi, 3
		667	dec ecx
		668	jnz .pix
		669
		670	add esi, edx
		671	add edi, ebx
		672	dec [h]
		673	jnz .row
		674	ret
		675	endp
		676
		677	align 4
		678	proc cursor_32 stdcall, hcursor:dword, x:dword, y:dword
		679	locals
		680	w dd ?
		681	h dd ?
		682	st dd ?
		683	_dx dd ?
		684	_dy dd ?
		685	endl
		686
		687	mov esi, [hcursor]
		688	mov ecx, [x]
		689	mov eax, [y]
		690	mov ebx, [BytesPerScanLine]
		691
		692	xor edx, edx
		693	sub ecx, [esi+CURSOR.hot_x]
		694	mov [x], ecx
		695	sets dl
		696	dec edx
		697	and ecx, edx ;clip x to 0<=x
		698	mov edi, ecx
		699	sub edi, [x]
		700	mov [_dx], edi
		701
		702	xor edx, edx
		703	sub eax, [esi+CURSOR.hot_y]
		704	mov [y], eax
		705	sets dl
		706	dec edx
		707	and eax, edx ;clip y to 0<=y
		708	mov edi, eax
		709	sub edi, [y]
		710	mov [_dy], edi
		711
		712	mul ebx
		713	lea esi, [eax+ecx*4]
		714	add esi, [LFBAddress]
		715	mov [cur_saved_base],esi
		716
		717	mov edi, [scr_width]
		718	mov edx, [scr_height]
		719	mov eax, 32
		720
		721	sub edi, ecx
		722	cmp edi, eax
224	serge	723	jng @F
		724	mov edi, eax
		725	@@:
221	serge	726	sub edi, [_dx]
		727
		728	sub edx, [y]
		729	cmp edx, eax
224	serge	730	jng @F
		731	mov edx, eax
		732	@@:
221	serge	733	sub edx, [_dy]
		734
		735	mov [w], edi
		736	mov [h], edx
		737	mov [cur_saved_w], edi
		738	mov [cur_saved_h], edx
		739
		740	sub eax, edi
		741	shl eax, 2
		742	shl edi, 2
		743	sub ebx, edi
		744	mov [cur_saved_interl], ebx
		745
		746	mov edi, cur_saved_data
		747	@@:
		748	mov ecx, [w]
		749	rep movsd
		750	add esi, ebx
		751	dec edx
		752	jnz @B
		753
		754	;draw cursor
		755	mov edx, eax
		756	mov edi, [cur_saved_base]
		757	mov eax, [_dy]
		758	shl eax, 5
		759	add eax, [_dx]
		760	shl eax, 2
		761
		762	mov esi, [hcursor]
		763	mov esi, [esi+CURSOR.base]
		764	add esi, eax
		765	.row:
		766	mov ecx, [w]
		767	.pix:
		768	lodsd
		769	test eax, 0xFF000000
		770	jz @F
		771	mov [edi], eax
		772	@@:
		773	add edi, 4
		774	dec ecx
		775	jnz .pix
		776	add esi, edx
		777	add edi, ebx
		778	dec [h]
		779	jnz .row
		780	ret
		781	endp
		782
		783	align 4
		784	def_arrow:
		785	file 'arrow.cur'
		786

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(root)/kernel/branches/kolibri_pe/video/cursors.inc – Rev 887