WebSVN – Kolibri OS – Blame – /kernel/branches/kolibri-process/video/cursors.inc

Rev	Author	Line No.	Line
4429	Serge	1	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		2	;; ;;
		3	;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;;
		4	;; Distributed under terms of the GNU General Public License ;;
		5	;; ;;
		6	;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
		7
		8	$Revision: 4181 $
		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
		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
		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
		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:
		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]
		72	;--------------------------------------
		73	align 4
		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
		82	;--------------------------------------
		83	align 4
		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
		111	;--------------------------------------
		112	align 4
		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]
		132	;--------------------------------------
		133	align 4
		134	.l4:
		135	mov eax, [pAnd]
		136	mov eax, [eax]
		137	bswap eax
		138	mov [counter], 16
		139	;--------------------------------------
		140	align 4
		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
		181	;--------------------------------------
		182	align 4
		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]
		202	;--------------------------------------
		203	align 4
		204	.l81:
		205	mov eax, [pAnd]
		206	mov eax, [eax]
		207	bswap eax
		208	mov [counter], 32
		209	;--------------------------------------
		210	align 4
		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
		236	;--------------------------------------
		237	align 4
		238	.img_24:
		239	add eax, [esi]
		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
		249	mov edi, [dst]
		250	add edi, 32314
		251	mov [rBase], edi
		252
		253	mov esi, [pAnd]
		254	mov ebx, [pQuad]
		255	;--------------------------------------
		256	align 4
		257	.row_24:
		258	mov eax, [esi]
		259	bswap eax
		260	mov [counter], 32
		261	;--------------------------------------
		262	align 4
		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
		288	;------------------------------------------------------------------------------
		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	mov [redrawmouse_unconditional], 1
		299	call __sys_draw_pointer
		300	ret
		301	;--------------------------------------
		302	align 4
		303	.fail:
		304	mov eax, [def_cursor]
		305	mov ebx, [current_slot]
		306	xchg eax, [ebx+APPDATA.cursor]
		307	ret
		308	endp
		309	;------------------------------------------------------------------------------
		310	align 4
		311	; param
		312	; eax= pid
		313	; ebx= src
		314	; ecx= flags
		315
		316	create_cursor:
		317	.src equ esp
		318	.flags equ esp+4
		319	.hcursor equ esp+8
		320
		321	sub esp, 4 ;space for .hcursor
		322	push ecx
		323	push ebx
		324
		325	mov ebx, eax
		326	mov eax, sizeof.CURSOR
		327	call create_kernel_object
		328	test eax, eax
		329	jz .fail
		330
		331	mov [.hcursor], eax
		332
		333	xor ebx, ebx
		334	mov [eax+CURSOR.magic], 'CURS'
		335	mov [eax+CURSOR.destroy], destroy_cursor
		336	mov [eax+CURSOR.hot_x], ebx
		337	mov [eax+CURSOR.hot_y], ebx
		338
		339	stdcall kernel_alloc, 0x1000
		340	test eax, eax
		341	jz .fail
		342
		343	mov edi, [.hcursor]
		344	mov [edi+CURSOR.base], eax
		345
		346	mov esi, [.src]
		347	mov ebx, [.flags]
		348	cmp bx, LOAD_INDIRECT
		349	je .indirect
		350
		351	movzx ecx, word [esi+10]
		352	movzx edx, word [esi+12]
		353	mov [edi+CURSOR.hot_x], ecx
		354	mov [edi+CURSOR.hot_y], edx
		355
		356	stdcall init_cursor, eax, esi
		357
		358	align 4
		359	.add_cursor:
		360	mov ecx, [.hcursor]
		361	lea ecx, [ecx+CURSOR.list_next]
		362	lea edx, [_display.cr_list.next]
		363
		364	pushfd
		365	cli
		366	list_add ecx, edx ;list_add_tail(new, head)
		367	popfd
		368
		369	mov eax, [.hcursor]
		370	cmp [_display.init_cursor], 0
		371	je .fail
		372
		373	push eax
		374	call [_display.init_cursor]
		375	add esp, 4
		376
		377	mov eax, [.hcursor]
		378	;--------------------------------------
		379	align 4
		380	.fail:
		381	add esp, 12
		382	ret
		383	;--------------------------------------
		384	align 4
		385	.indirect:
		386	shr ebx, 16
		387	movzx ecx, bh
		388	movzx edx, bl
		389	mov [edi+CURSOR.hot_x], ecx
		390	mov [edi+CURSOR.hot_y], edx
		391
		392	xchg edi, eax
		393	mov ecx, 1024
		394	cld
		395	rep movsd
		396	jmp .add_cursor
		397	;------------------------------------------------------------------------------
		398	align 4
		399	proc load_cursor stdcall, src:dword, flags:dword
		400	locals
		401	handle dd ?
		402	endl
		403
		404	xor eax, eax
		405	cmp [create_cursor], eax
		406	je .fail2
		407
		408	mov [handle], eax
		409	cmp word [flags], LOAD_FROM_FILE
		410	jne @F
		411
		412	stdcall load_file, [src]
		413	test eax, eax
		414	jz .fail
		415	mov [src], eax
		416	;--------------------------------------
		417	align 4
		418	@@:
		419	push ebx
		420	push esi
		421	push edi
		422
		423	mov eax, [CURRENT_TASK]
		424	shl eax, 5
		425	mov eax, [CURRENT_TASK+eax+4]
		426	mov ebx, [src]
		427	mov ecx, [flags]
		428	call create_cursor ;eax, ebx, ecx
		429	mov [handle], eax
		430
		431	cmp word [flags], LOAD_FROM_FILE
		432	jne .exit
		433	stdcall kernel_free, [src]
		434	;--------------------------------------
		435	align 4
		436	.exit:
		437	pop edi
		438	pop esi
		439	pop ebx
		440	;--------------------------------------
		441	align 4
		442	.fail:
		443	mov eax, [handle]
		444	;--------------------------------------
		445	align 4
		446	.fail2:
		447	ret
		448	endp
		449	;------------------------------------------------------------------------------
		450	align 4
		451	proc delete_cursor stdcall, hcursor:dword
		452
		453	; DEBUGF 1,'K : delete_cursor %x\n', [hcursor]
		454
		455	mov esi, [hcursor]
		456
		457	cmp [esi+CURSOR.magic], 'CURS'
		458	jne .fail
		459
		460	mov ebx, [CURRENT_TASK]
		461	shl ebx, 5
		462	mov ebx, [CURRENT_TASK+ebx+4]
		463	cmp ebx, [esi+CURSOR.pid]
		464	jne .fail
		465
		466	mov ebx, [current_slot]
		467	cmp esi, [ebx+APPDATA.cursor]
		468	jne @F
		469	mov eax, [def_cursor]
		470	mov [ebx+APPDATA.cursor], eax
		471	;--------------------------------------
		472	align 4
		473	@@:
		474	mov eax, [hcursor]
		475	call [eax+APPOBJ.destroy]
		476	;--------------------------------------
		477	align 4
		478	.fail:
		479	ret
		480	endp
		481	;------------------------------------------------------------------------------
		482	align 4
		483	; param
		484	; eax= cursor
		485	destroy_cursor:
		486
		487	push eax
		488	stdcall kernel_free, [eax+CURSOR.base]
		489
		490	mov eax, [esp]
		491	lea eax, [eax+CURSOR.list_next]
		492
		493	pushfd
		494	cli
		495	list_del eax
		496	popfd
		497
		498	pop eax
		499	call destroy_kernel_object
		500	ret
		501	;------------------------------------------------------------------------------
		502	align 4
		503	select_cursor:
		504	mov eax, [esp+4]
		505	mov [_display.cursor], eax
		506	ret 4
		507	;------------------------------------------------------------------------------
		508	align 4
		509	proc restore_24 stdcall, x:dword, y:dword
		510
		511	push ebx
		512
		513	mov ebx, [cur_saved_base]
		514	mov edx, [cur.h]
		515	test edx, edx
		516	jz .ret
		517
		518	push esi
		519	push edi
		520
		521	mov esi, cur_saved_data
		522	mov ecx, [cur.w]
		523	lea ecx, [ecx+ecx*2]
		524	push ecx
		525	;--------------------------------------
		526	align 4
		527	@@:
		528	mov edi, ebx
		529	add ebx, [_display.pitch]
		530
		531	mov ecx, [esp]
		532	rep movsb
		533	dec edx
		534	jnz @B
		535
		536	pop ecx
		537	pop edi
		538	pop esi
		539	;--------------------------------------
		540	align 4
		541	.ret:
		542	pop ebx
		543	ret
		544	endp
		545	;------------------------------------------------------------------------------
		546	align 4
		547	proc restore_32 stdcall, x:dword, y:dword
		548
		549	push ebx
		550
		551	mov ebx, [cur_saved_base]
		552	mov edx, [cur.h]
		553	test edx, edx
		554	jz .ret
		555
		556	push esi
		557	push edi
		558
		559	mov esi, cur_saved_data
		560	;--------------------------------------
		561	align 4
		562	@@:
		563	mov edi, ebx
		564	add ebx, [_display.pitch]
		565
		566	mov ecx, [cur.w]
		567	rep movsd
		568	dec edx
		569	jnz @B
		570
		571	pop edi
		572	;--------------------------------------
		573	align 4
		574	.ret:
		575	pop esi
		576	pop ebx
		577	ret
		578	endp
		579	;------------------------------------------------------------------------------
		580	align 4
		581	proc move_cursor_24 stdcall, hcursor:dword, x:dword, y:dword
		582	locals
		583	h dd ?
		584	_dx dd ?
		585	_dy dd ?
		586	endl
		587
		588	mov esi, [hcursor]
		589	mov ecx, [x]
		590	mov eax, [y]
		591	; mov ebx, [BytesPerScanLine]
		592
		593	xor edx, edx
		594	sub ecx, [esi+CURSOR.hot_x]
		595	lea ebx, [ecx+32-1]
		596	mov [x], ecx
		597	sets dl
		598	dec edx
		599	and ecx, edx ;clip x to 0<=x
		600	mov [cur.left], ecx
		601	mov edi, ecx
		602	sub edi, [x]
		603	mov [_dx], edi
		604
		605	xor edx, edx
		606	sub eax, [esi+CURSOR.hot_y]
		607	lea edi, [eax+32-1]
		608	mov [y], eax
		609	sets dl
		610	dec edx
		611	and eax, edx ;clip y to 0<=y
		612	mov [cur.top], eax
		613	mov edx, eax
		614	sub edx, [y]
		615	mov [_dy], edx
		616
		617	; mul dword [BytesPerScanLine]
		618	mov eax, [BPSLine_calc_area+eax*4]
		619	lea edx, [LFB_BASE+ecx*3]
		620	add edx, eax
		621	mov [cur_saved_base], edx
		622
		623	cmp ebx, [Screen_Max_X]
		624	jbe @F
		625	mov ebx, [Screen_Max_X]
		626	;--------------------------------------
		627	align 4
		628	@@:
		629	cmp edi, [Screen_Max_Y]
		630	jbe @F
		631	mov edi, [Screen_Max_Y]
		632	;--------------------------------------
		633	align 4
		634	@@:
		635	mov [cur.right], ebx
		636	mov [cur.bottom], edi
		637
		638	sub ebx, [x]
		639	sub edi, [y]
		640	inc ebx
		641	inc edi
		642	sub ebx, [_dx]
		643	sub edi, [_dy]
		644
		645	mov [cur.w], ebx
		646	mov [cur.h], edi
		647	mov [h], edi
		648
		649	mov eax, edi
		650	mov edi, cur_saved_data
		651	;--------------------------------------
		652	align 4
		653	@@:
		654	mov esi, edx
		655	add edx, [_display.pitch]
		656	mov ecx, [cur.w]
		657	lea ecx, [ecx+ecx*2]
		658	rep movsb
		659	dec eax
		660	jnz @B
		661
		662	;draw cursor
		663	mov ebx, [cur_saved_base]
		664	mov eax, [_dy]
		665	shl eax, 5
		666	add eax, [_dx]
		667
		668	mov esi, [hcursor]
		669	mov esi, [esi+CURSOR.base]
		670	lea edx, [esi+eax*4]
		671	;--------------------------------------
		672	align 4
		673	.row:
		674	mov ecx, [cur.w]
		675	mov esi, edx
		676	mov edi, ebx
		677	add edx, 32*4
		678	add ebx, [_display.pitch]
		679	;--------------------------------------
		680	align 4
		681	.pix:
		682	lodsd
		683	test eax, 0xFF000000
		684	jz @F
		685	mov [edi], ax
		686	shr eax, 16
		687	mov [edi+2], al
		688	;--------------------------------------
		689	align 4
		690	@@:
		691	add edi, 3
		692	dec ecx
		693	jnz .pix
		694
		695	dec [h]
		696	jnz .row
		697	ret
		698	endp
		699	;------------------------------------------------------------------------------
		700	align 4
		701	proc move_cursor_32 stdcall, hcursor:dword, x:dword, y:dword
		702	locals
		703	h dd ?
		704	_dx dd ?
		705	_dy dd ?
		706	endl
		707
		708	mov esi, [hcursor]
		709	mov ecx, [x]
		710	mov eax, [y]
		711
		712	xor edx, edx
		713	sub ecx, [esi+CURSOR.hot_x]
		714	lea ebx, [ecx+32-1]
		715	mov [x], ecx
		716	sets dl
		717	dec edx
		718	and ecx, edx ;clip x to 0<=x
		719	mov [cur.left], ecx
		720	mov edi, ecx
		721	sub edi, [x]
		722	mov [_dx], edi
		723
		724	xor edx, edx
		725	sub eax, [esi+CURSOR.hot_y]
		726	lea edi, [eax+32-1]
		727	mov [y], eax
		728	sets dl
		729	dec edx
		730	and eax, edx ;clip y to 0<=y
		731	mov [cur.top], eax
		732	mov edx, eax
		733	sub edx, [y]
		734	mov [_dy], edx
		735
		736	; mul dword [BytesPerScanLine]
		737	mov eax, [BPSLine_calc_area+eax*4]
		738	lea edx, [LFB_BASE+eax+ecx*4]
		739	mov [cur_saved_base], edx
		740
		741	cmp ebx, [Screen_Max_X]
		742	jbe @F
		743	mov ebx, [Screen_Max_X]
		744	;--------------------------------------
		745	align 4
		746	@@:
		747	cmp edi, [Screen_Max_Y]
		748	jbe @F
		749	mov edi, [Screen_Max_Y]
		750	;--------------------------------------
		751	align 4
		752	@@:
		753	mov [cur.right], ebx
		754	mov [cur.bottom], edi
		755
		756	sub ebx, [x]
		757	sub edi, [y]
		758	inc ebx
		759	inc edi
		760	sub ebx, [_dx]
		761	sub edi, [_dy]
		762
		763	mov [cur.w], ebx
		764	mov [cur.h], edi
		765	mov [h], edi
		766
		767	mov eax, edi
		768	mov edi, cur_saved_data
		769	;--------------------------------------
		770	align 4
		771	@@:
		772	mov esi, edx
		773	add edx, [_display.pitch]
		774	mov ecx, [cur.w]
		775	rep movsd
		776	dec eax
		777	jnz @B
		778
		779	;draw cursor
		780	mov ebx, [cur_saved_base]
		781	mov eax, [_dy]
		782	shl eax, 5
		783	add eax, [_dx]
		784
		785	mov esi, [hcursor]
		786	mov esi, [esi+CURSOR.base]
		787	lea edx, [esi+eax*4]
		788	;--------------------------------------
		789	align 4
		790	.row:
		791	mov ecx, [cur.w]
		792	mov esi, edx
		793	mov edi, ebx
		794	add edx, 32*4
		795	add ebx, [_display.pitch]
		796	;--------------------------------------
		797	align 4
		798	.pix:
		799	lodsd
		800	test eax, 0xFF000000
		801	jz @F
		802	mov [edi], eax
		803	;--------------------------------------
		804	align 4
		805	@@:
		806	add edi, 4
		807	dec ecx
		808	jnz .pix
		809
		810	dec [h]
		811	jnz .row
		812	ret
		813	endp
		814	;------------------------------------------------------------------------------
		815	align 4
		816	check_mouse_area_for_getpixel_new:
		817	; in:
		818	; eax = x
		819	; ebx = y
		820	; out:
		821	; ecx = new color
		822	;--------------------------------------
		823	; check for Y
		824	cmp bx, [Y_UNDER_subtraction_CUR_hot_y]
		825	jb .no_mouse_area
		826
		827	cmp bx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		828	jae .no_mouse_area
		829	;--------------------------------------
		830	; check for X
		831	cmp ax, [X_UNDER_subtraction_CUR_hot_x]
		832	jb .no_mouse_area
		833
		834	cmp ax, [X_UNDER_sub_CUR_hot_x_add_curh]
		835	jae .no_mouse_area
		836	;--------------------------------------
		837	push eax ebx
		838	; offset X
		839	movzx ecx, word [X_UNDER_subtraction_CUR_hot_x]
		840	sub eax, ecx ; x1
		841	; offset Y
		842	movzx ecx, word [Y_UNDER_subtraction_CUR_hot_y]
		843	sub ebx, ecx ; y1
		844	;--------------------------------------
		845	; ebx = offset y
		846	; eax = offset x
		847	imul ebx, [cur.w] ;y
		848	add eax, ebx
		849	mov ebx, eax
		850	shl eax, 2
		851	cmp byte [_display.bpp], 32
		852	je @f
		853	sub eax, ebx
		854	;--------------------------------------
		855	align 4
		856	@@:
		857	add eax, cur_saved_data
		858	mov ecx, [eax]
		859	and ecx, 0xffffff
		860	add ecx, 0xff000000
		861	pop ebx eax
		862	ret
		863	;--------------------------------------
		864	align 4
		865	.no_mouse_area:
		866	xor ecx, ecx
		867	ret
		868	;-----------------------------------------------------------------------------
		869	align 4
		870	check_mouse_area_for_putpixel_new:
		871	; in:
		872	; ecx = x shl 16 + y
		873	; eax = color
		874	; out:
		875	; eax = new color
		876	;--------------------------------------
		877	; check for Y
		878	cmp cx, [Y_UNDER_sub_CUR_hot_y_add_curh]
		879	jae .no_mouse_area
		880
		881	sub cx, [Y_UNDER_subtraction_CUR_hot_y]
		882	jb .no_mouse_area
		883
		884	rol ecx, 16
		885	;--------------------------------------
		886	; check for X
		887	cmp cx, [X_UNDER_sub_CUR_hot_x_add_curh]
		888	jae .no_mouse_area
		889
		890	sub cx, [X_UNDER_subtraction_CUR_hot_x]
		891	jb .no_mouse_area
		892
		893	ror ecx, 16
		894	;--------------------------------------
		895	align 4
		896	.1:
		897	push eax
		898	;--------------------------------------
		899	; ecx = (offset x) shl 16 + (offset y)
		900	push ebx
		901	mov ebx, ecx
		902	shr ebx, 16 ; x
		903	and ecx, 0xffff ; y
		904
		905	cmp ecx, [cur.h]
		906	jae @f
		907
		908	cmp ebx, [cur.w]
		909	jb .ok
		910	;--------------------------------------
		911	align 4
		912	@@:
		913	; DEBUGF 1, "K : SHIT HAPPENS: %x %x \n", ecx,ebx
		914	pop ebx
		915	jmp .sh ; SORRY! SHIT HAPPENS!
		916	;--------------------------------------
		917	align 4
		918	.ok:
		919	; ecx = offset y
		920	; ebx = offset x
		921	push ebx ecx
		922	imul ecx, [cur.w] ;y
		923	add ecx, ebx
		924	mov ebx, ecx
		925	shl ecx, 2
		926	cmp byte [_display.bpp], 24
		927	je .24
		928	and eax, 0xFFFFFF
		929	mov [ecx + cur_saved_data], eax ;store new color to
		930	jmp @f
		931	;--------------------------------------
		932	align 4
		933	.24:
		934	sub ecx, ebx
		935	mov [ecx + cur_saved_data], ax ;store new color to
		936	shr eax, 16
		937	mov [ecx + cur_saved_data + 2], al ;store new color to
		938	;--------------------------------------
		939	align 4
		940	@@:
		941	pop ecx ebx
		942
		943	shl ecx, 5
		944	add ecx, ebx
		945
		946	mov eax, [current_cursor]
		947	mov eax, [eax+CURSOR.base]
		948	lea eax, [eax+ecx*4]
		949	mov eax, [eax]
		950
		951	pop ebx
		952
		953	test eax, 0xFF000000
		954	jz @f
		955
		956	add esp, 4
		957	ret
		958	;--------------------------------------
		959	align 4
		960	.sh:
		961	mov ecx, -1
		962	;--------------------------------------
		963	align 4
		964	@@:
		965	pop eax
		966	;--------------------------------------
		967	align 4
		968	.no_mouse_area:
		969	ret
		970	;------------------------------------------------------------------------------
		971	align 4
		972	get_display:
		973	mov eax, _display
		974	ret
		975	;------------------------------------------------------------------------------
		976	align 4
		977	init_display:
		978	xor eax, eax
		979	mov edi, _display
		980
		981	mov [edi+display_t.init_cursor], eax
		982	mov [edi+display_t.select_cursor], eax
		983	mov [edi+display_t.show_cursor], eax
		984	mov [edi+display_t.move_cursor], eax
		985	mov [edi+display_t.restore_cursor], eax
		986
		987	lea ecx, [edi+display_t.cr_list.next]
		988	mov [edi+display_t.cr_list.next], ecx
		989	mov [edi+display_t.cr_list.prev], ecx
		990
		991	cmp [SCR_MODE], word 0x13
		992	jbe .fail
		993
		994	test word [SCR_MODE], 0x4000
		995	jz .fail
		996
		997	mov ebx, restore_32
		998	mov ecx, move_cursor_32
		999	mov edx, Vesa20_putpixel32_new
		1000	mov eax, [_display.bpp]
		1001	cmp al, 32
		1002	jne .24
		1003
		1004	.set:
		1005	mov [_display.select_cursor], select_cursor
		1006	mov [_display.move_cursor], ecx
		1007	mov [_display.restore_cursor], ebx
		1008	mov [_display.check_mouse], check_mouse_area_for_putpixel_new
		1009	mov [_display.check_m_pixel], check_mouse_area_for_getpixel_new
		1010
		1011	cmp [PUTPIXEL], dword VGA_putpixel
		1012	je @f
		1013	mov [PUTPIXEL], edx
		1014	@@:
		1015	stdcall load_cursor, clock_arrow, dword LOAD_FROM_MEM
		1016	mov [def_cursor_clock], eax
		1017	stdcall load_cursor, def_arrow, dword LOAD_FROM_MEM
		1018	mov [def_cursor], eax
		1019	ret
		1020
		1021	.24:
		1022	mov ebx, restore_24
		1023	mov ecx, move_cursor_24
		1024	mov edx, Vesa20_putpixel24_new
		1025	cmp al, 24
		1026	je .set
		1027
		1028	.fail:
		1029	xor eax, eax
		1030	mov [_display.select_cursor], eax
		1031	mov [_display.move_cursor], eax
		1032	ret
		1033	;------------------------------------------------------------------------------
		1034	align 4
		1035	def_arrow:
		1036	file 'arrow.cur'
		1037	;------------------------------------------------------------------------------
		1038	align 4
		1039	clock_arrow:
		1040	file 'arrow_clock.cur'
		1041	;------------------------------------------------------------------------------
		1042

Subversion Repositories Kolibri OS

(root)/kernel/branches/kolibri-process/video/cursors.inc @ 4923 – Rev 4429