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kolibrios/programs/develop/libraries/fontslib/trunk/fonts_lib.asm
Alexey Teplov ( 2ff524842f Fix a small bug and optimization some code. 
git-svn-id: svn://kolibrios.org@1169 a494cfbc-eb01-0410-851d-a64ba20cac60
2009-09-19 08:26:53 +00:00

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; Copyright (c) 2009, <Lrz>
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without
; modification, are permitted provided that the following conditions are met:
; * Redistributions of source code must retain the above copyright
; notice, this list of conditions and the following disclaimer.
; * Redistributions in binary form must reproduce the above copyright
; notice, this list of conditions and the following disclaimer in the
; documentation and/or other materials provided with the distribution.
; * Neither the name of the <organization> nor the
; names of its contributors may be used to endorse or promote products
; derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY Alexey Teplov nickname <Lrz> ''AS IS'' AND ANY
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
; WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
; DISCLAIMED. IN NO EVENT SHALL <copyright holder> BE LIABLE FOR ANY
; DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
; (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
; ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
; SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
;*****************************************************************************
;;;;;;;;;;;;;;;;;;
format MS COFF
public EXPORTS
section '.flat' code readable align 16
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;Get info about
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
include '../../../../macros.inc'
align 4
initialization_font:
; esp+0 = dd back
; çàïîëíÿåì ìàññèâ - ñòðóêòó äëÿ ïîëó÷åíèÿ êîë-âà ôàéëîâ
pushad
xor eax,eax
inc eax
mov [number_function],eax
;structure is completed
mov eax,70
mov ebx,dword struct_f_info
mcall
;IF ERROR FT then exit
test eax,eax
jnz .exit
;IF ERROR folder is not found then exit
test ebx,ebx
mov eax,ebx
jnz .exit
;Get quantity files
mov eax,[buffer_32.quantity_files]
imul eax,304
add eax,32 ; ??
push eax ;save eax â eax ðàçìåð íóæíîé íàì ïàìÿòè â áàéòàõ
;init memory
mov eax,68
mov ebx,11
mcall
test eax,eax
jz .exit
inc ebx ;âûäåëèòü áëîê â ecx áàéò
pop ecx
mov eax,68
mcall
mov dword [fulder_array_point],eax ;save point for memory's fulder
;â eax óêàçàòåëü íà áëîê
mov [buffer_read_d],eax ;point to new array
mov eax,[buffer_32.quantity_files]
mov [read_block],eax
;get in buffer info of files and sub dir current dir
mov eax,70
mov ebx,dword struct_f_info
mcall
;ïîëó÷èëè èíôîðìàöèþ î ôàéëàõ.
mov ebp, dword [buffer_read_d] ;point to structure
mov ecx, dword [ebp+4] ;êîë-âî áëîêîâ ÁÄÂÊ
mov dword [save_ecx],ecx
add ebp, 32 ;ñìåùàåìñÿ äî ÁÄÂÊ
mov dword [save_ebp],ebp
cld ;óñòàíîâêà ôëàãà íàïðàâëåíèÿ
align 4
.start_loop:
push ecx
lea edi,[ebp+0x28] ;â edi óêàçàòåëü íà íà÷àëî èìåíè.
xor eax,eax
mov ecx,263
repne scasb ;íàéäåì êîíåö ñòðîêè
;;;;;;;;;;;;;;;;;;;;;;;
sub edi,5 ;.ksf,0
lea esi,[name_font]
mov eax,dword[edi]
or eax,0x20202000 ; ñäåëàåì ðàñøèðåíèå ñòðî÷íûìè áóêâàìè.
cmp eax,dword[esi]
jnz @f
;;;;;;;; óðà ýòî íàø ôàéë ò.å. íàø øðèôò ìû íàøëè íóæíûé ôàéëèê ))
;òåïåðü íóæíî òî÷íî óáåäèòüñÿ ÷òî ýòî íàø è òîëüêî íàø ôàéëèê
;çàãðóçèì çàãîëîâîê ôàéëà è óçíàåì åãî ðàçìåð ãëèôà.
call alloc_mem ; âûäåëèì îçó ñâîèõ ïåðåìåííûõ
; ñåé÷àñ íàì íóæíî ñôîðìèðîâàòü èìÿ ôàéëà ñ ïîëíûì ïóòåì
mov eax,dword [alloc_memory_point]
lea edi,dword [eax+4]
lea esi,[name_fulder]
mov ecx,name_fuld_end
rep movsb ;ïåðåíîñèì ïóòü
mov al,'/'
stosb
lea esi,[ebp+0x28] ;â esi óêàçàòåëü íà íà÷àëî èìåíè.
align 4
.loop_b:
lodsb
stosb
test al,al
jnz .loop_b
; mov edi,name_of_file ; [ebp+0x28] ;â edi óêàçàòåëü íà íà÷àëî èìåíè.
;get in buffer info above own file
xor eax,eax
mov dword [number_function],eax
mov dword [index_start_block],eax ;ïîçèöèÿ â ôàéëå äëÿ ÷òåíèÿ äàííûõ
mov dword [flags_],eax ;ñòàðøàÿ ïîçèöèÿ äëÿ ÷òåíèÿ äàííûõ
mov dword [read_block],8 ;ñêîëüêî áàéò ÷èòàòü íàì íóæíî 8 áàéò
mov dword [buffer_read_d],file_buffer ; óêàçàòåëü íà áóôåð êóäà áóäóò çàïèñàíû äàííûå
mov eax,dword [alloc_memory_point]
lea edi,dword [eax+4]
mov dword [offset_to_string],edi
mov eax,70
mov ebx,dword struct_f_info
mcall
;;;;;;;;;;;;;;;; ïðîâåðèì ôîðìàò çàãîëîâêà
mov eax,ebx
mov eax,dword [file_buffer]
mov ebx,dword [type_fnt]
cmp eax,ebx
jnz @f
;;;;;;; îòëè÷íî ñåé÷àñ ïðîâåðèëè ÷òî çàãîëîâîê èìåííî òîò êîòîðûé íàì íóæåí
; ñåé÷àñ íóæíî ïåðåðàñïðåäåëèòü áëîêè ò.å. ïî ìåðå íàõîæäåíèÿ áóäåì ïåðåíîñèòü áëîêè
; â íà÷àëî áóôåðà
mov dword [save_point_nt],ebp
pop ecx
xor eax,eax
jmp .exit
align 4
@@: pop ecx
add ebp,304
dec ecx
jnz .start_loop
; loop .start_loop
or eax,-1
;;;;;;;; ïðîøëèñü - âñå èíòåðåñóùþùèå øðèôòû ïåðåìåñòèëè â íà÷àëî áëîêà.
align 4
.exit: mov dword [esp+28],eax
popad
ret
align 4
get_font:
; ïîèñê â ìàññèâå øðèôòà ïðè ñîâïàäåíèè ócëîâèé çàãðóçêà øðèôòà
; esp+4 = dd width font shl 16 +hight font
; esp+0 = dd back
;pop eax
; pop dword [font_x_y]
;push eax
pushad
mov eax,dword [esp+32+4]
mov dword [font_x_y],eax
xor eax,eax
mov dword [number_function],eax
mov dword [index_start_block],eax ;ïîçèöèÿ â ôàéëå äëÿ ÷òåíèÿ äàííûõ
mov dword [flags_],eax ;ñòàðøàÿ ïîçèöèÿ äëÿ ÷òåíèÿ äàííûõ
mov dword [read_block],8 ;ñêîëüêî áàéò ÷èòàòü íàì íóæíî 8 áàéò
mov dword [buffer_read_d],file_buffer ; óêàçàòåëü íà áóôåð êóäà áóäóò çàïèñàíû äàííûå
mov eax,dword [alloc_memory_point]
lea edi,dword [eax+4]
mov dword [offset_to_string],edi
mov eax,70
mov ebx,dword struct_f_info
mcall
;;;;;;;;;;;;;;;; ïðîâåðèì ôîðìàò çàãîëîâêà
mov eax,ebx
mov eax,dword [file_buffer]
mov ebx,dword [type_fnt]
cmp eax,ebx
mov ecx,dword [file_buffer.font_size]
mov edx,dword [font_x_y]
cmp ecx,edx
mov ecx, 4096;dword [ebp+32] ;ðàçìåð ôàéëà äî 4294967296 áàéò ò.å. 4 Ãá
mov dword [read_block],ecx
mov eax,68
mov ebx,12
mcall
mov dword [font_array_point],eax ;save point to array
mov dword [buffer_read_d],eax
;load font
mov ebx,dword struct_f_info
mov eax,70
mcall
test eax,eax
jnz .exit
lea eax,[buffer_read_d]
mov eax,dword [eax]
mov ebx,dword [eax+8]
add eax,ebx
; add eax,dword [eax+8]
; add eax,dword [buffer_read_d]
mov dword [font_array_data],eax
xor eax,eax
jmp .ok
;here error file system
align 4
.exit:
or eax,-1
align 4
.ok: mov dword [esp+28],eax ;âåðíåì îøèáêó
popad
ret 4
; ïîèñê âûâîä ñòîðî÷êè ïî ñèìâîëüíî ñôîðèðîâàííîãî øðèôòîì òåêñòà
; esp+12= dd x shl 16 + y x- êîîðäèíàòà ïî Õ, y - êîîðäèíàòà ïî Y
; esp+8 = dd point to color of background and font
; esp+4 = dd point to ASCIIZ
; esp+0 = dd back
align 4
font_draw_on_string:
pushad
mov esi,dword [esp+4+32] ;ASCIIZ
mov edx,dword [esp+12+32] ; x shl 16 +y
mov ecx,dword [font_x_y] ;ðàçìåð ãëèôà x shl 16 +y
mov edi,dword [esp+8+32] ;óêàçàòåëü íà ïàëèòðó èç öâåòà è ôîíà
xor ebp,ebp ;ñì 65 ôóíêöèþ ))
cld
align 4
@@: ;pushad
xor eax,eax
lodsb
test al,al
jz .return
shl eax,4 ;óìíîæàåì íà 16 ò.ê. ýòî âûñîòà ãëèôà
mov ebx,dword [font_array_data] ; òóò ðàñïîëîãàþòñÿ ãëèôû ñèìâîëîâ
add ebx,eax
push esi
mov esi,1
mov eax,65
mcall
pop esi
add edx,8 shl 16 ;ñëåäóþùèé ñèìâîë øèðèíà ñèìâîëà = 8 òî÷êàì
jmp @b
align 4
.return:
popad
ret 12
align 4
; esp+4 = dd point to color of background and font
show_all_glif:
pushad
mov edx,10 shl 16+20 ;dword [esp+12+32] ; x shl 16 +y
mov ecx,128 shl 16 +256;dword [font_x_y] ;ðàçìåð ãëèôà x shl 16 +y
mov edi,dword [esp+4+32] ;óêàçàòåëü íà ïàëèòðó èç öâåòà è ôîíà
xor ebp,ebp ;ñì 65 ôóíêöèþ ))
align 4
@@:
mov ebx,dword [font_array_data] ; òóò ðàñïîëîãàþòñÿ ãëèôû ñèìâîëîâ
mov esi,1
mov eax,65
mcall
popad
ret 4
align 4
free_fulder_info:
;îñâîáîäèòü ïàìÿòü âûäåëåíóþ äëÿ ïîëó÷åíèÿ áëîêîâ ÁÄÂÊ
pushad
mov ecx, dword [fulder_array_point]
mov eax,68
mov ebx,13
mcall
test eax,eax
; jnz @f
mov dword [esp+28],eax ;âåðíåì îøèáêó
;align 4
;@@:
popad
ret
align 4
free_font:
;îñâîáîäèòü ïàìÿòü âûäåëåíóþ äëÿ ïîëó÷åíèÿ áëîêîâ ÁÄÂÊ
pushad
mov ecx, dword [font_array_point]
mov eax,68
mov ebx,13
mcall
test eax,eax
; jnz @f
mov dword [esp+28],eax ;âåðíåì îøèáêó
;align 4
;@@:
popad
ret
align 4
; alloc mem get 4 Kb for own data
alloc_mem:
pushad
mov eax, dword [alloc_memory_point]
test eax,eax
jnz .mem_allocating
mov eax,68
mov ebx,12
mov ecx,4096
mcall
mov dword [alloc_memory_point],eax ; ïðè ïåðâîì âõîæäåíèè âûäåëÿåì 4 êá ÎÇÓ è ñîõðàíÿåì óêàçàòåëü
mov dword [eax],-1
popad
ret
align 4
.mem_allocating:
mov ebp, dword [eax]
mov eax,ebp
cmp eax, -1
jnz .mem_allocating
mov eax,68
mov ebx,12
mov ecx,4096
mcall
mov dword [ebp],eax ; ïðè ïåðâîì âõîæäåíèè âûäåëÿåì 4 êá ÎÇÓ è ñîõðàíÿåì óêàçàòåëü
mov dword [ebp],-1
popad
ret
align 16
EXPORTS:
dd sz_initialization_font, initialization_font
dd sz_get_font, get_font
dd sz_free_fulder_info, free_fulder_info
dd sz_free_font, free_font
dd sz_font_draw_on_string, font_draw_on_string
dd sz_show_all_glif, show_all_glif
; dd szVersion_ch, 0x00000001
; dd sz_option_box_draw, option_box_draw
; dd sz_option_box_mouse, option_box_mouse
dd szVersion_fn, 0x00000001
dd 0,0
sz_initialization_font db 'initialization_font',0
sz_get_font db 'get_font',0
sz_free_fulder_info db 'free_fulder_info',0
sz_free_font db 'free_font',0
sz_font_draw_on_string db 'font_draw_on_string',0
sz_show_all_glif db 'show_all_glif',0
;sz_check_box_mouse db 'check_box_mouse',0
;szVersion_ch db 'version_ch',0
;sz_option_box_draw db 'option_box_draw',0
;sz_option_box_mouse db 'option_box_mouse',0
szVersion_fn db 'version_fn',0
;;;;;;;;;;;
;;Data
;;;;;;;;;;;
align 4
;buffer_font file 'font_8x16.fon' ;øðèôò êîòîðûì áóäåì âûâîäèòü raw ôîðìàò 1bpp
save_ecx dd 0x0
;buffer_font file 'font01.ksf' ;øðèôò êîòîðûì áóäåì âûâîäèòü raw ôîðìàò 1bpp
alloc_memory_point dd 0x0 ; point to mem block in RAM 4096-4
;ñòðóêòóðà òàêàÿ â íà÷àëå âûäåëåíîãî áëîêà ðàçìåùàåòñÿ óêàçàòåëü íà äðóãîé âûäåëëíûé áëîê â 4096-4, åñëè ýòî áëîê ïîñëåäíèé, òî dd -1
font_x_y dd 0x0
fulder_array_point dd 0x0
font_array_point dd 0x0
font_array_data dd 0x0 ; ðåàëüíûå äàííûå ò.å. ìàòðèöà øðèôòà
save_ebp dd 0x0
save_point_nt dd 0x0
name_fulder db '/sys/FONTS',0
name_fuld_end= ($-name_fulder) -1
name_font db '.ksf',0
type_fnt db 'kf01'
align 16
struct_f_info:
number_function dd 0x0
index_start_block dd 0x0
flags_ dd 0x0
read_block dd 0x0
buffer_read_d dd buffer_32
free_byte db 0x0
offset_to_string dd name_fulder
align 16
file_buffer:
.type_fnt dd 0x0
.font_size dd 0x0
align 16
buffer_32:
.head dd ?
.quantity_block dd ?
.quantity_files dd ?
rb 20
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