/programs/develop/libraries/buf2d/trunk/about.htm |
---|
62,7 → 62,7 |
Ñ åå ïîìîùüþ ìîæíî ñîçäàâàòü áóôåðà ñ èçîáðàæåíèÿìè â ïàìÿòè, è ïðè íåîáõîäèìîñòè âûâîäèòü èõ íà ýêðàí. |
Èçîáðàæåíèÿ ìîæíî íàêëàäûâàòü îäíî íà äðóãîå, ïîääåðæèâàåòñÿ ðàáîòà ñ ïðîçðà÷íûìè èçîáðàæåíèÿìè, åñòü ôóíêöèÿ ðèñîâàíèÿ ëèíè ïîêà íà ýòîì âñå.</p> |
<p>Ïîñëåäíåå îáíîâëåíèå áèáëèîòåêè 22.09.11.</p> |
<p>Ïîñëåäíåå îáíîâëåíèå áèáëèîòåêè 11.05.12.</p> |
<h1><a name="f_buf">Ôîðìàòû áóôåðîâ</a></h1> |
<p>Ïîääåðæèâàåòñÿ 3 ôîðìàòà áóôåðîâ. |
216,12 → 216,19 |
0xff0000 - çàâèñèò îò çíà÷åíèÿ 4-ãî ïàðàìåòðà, 1) åñëè 0 - öâåò äî êîòîðîãî áóäåò çàëèâàòüñÿ îáëàñòü; 2) åñëè 1 - öâåò îáëàñòè êîòîðàÿ áóäåò çàëèâàòñÿ;</p> |
<h4>buf2d_set_pixel</h4> |
<p>Ôóíêöèÿ ñòàâèò òî÷êó, ïðèíèìàåò êîîðäèíàòû è öâåò. Ðàáîòàåò íà 24-áèòíûõ áóôåðàõ.</p> |
<p>Ôóíêöèÿ ñòàâèò òî÷êó, ïðèíèìàåò êîîðäèíàòû è öâåò.</p> |
<pre>stdcall [buf2d_set_pixel], buf_0, 100,150, 0xff0000</pre> |
<p>ãäå buf_0 - ñòðóêòóðà áóôåðà; |
100,150 - êîîðäèíàòû òî÷êè; |
0xff0000 - öâåò òî÷êè.</p> |
<p>ãäå buf_0 - ñòðóêòóðà áóôåðà;</p> |
<p>100,150 - êîîðäèíàòû òî÷êè;</p> |
<p>0xff0000 - öâåò òî÷êè.</p> |
<h4>buf2d_get_pixel</h4> |
<p>Ôóíêöèÿ çàïèñûâàåò öâåò òî÷êè â ðåãèñòð eax, ïðèíèìàåò êîîðäèíàòû.</p> |
<pre>stdcall [buf2d_get_pixel], buf_0, 100,150</pre> |
<p>ãäå buf_0 - ñòðóêòóðà áóôåðà;</p> |
<p>100,150 - êîîðäèíàòû òî÷êè;</p> |
<p>eax - öâåò òî÷êè (äëÿ 8 è 24 áèòíûõ áóôåðîâ íå èñïîëüçóåìûå ñòàðøèå áèòû â eax ðàâíû 0) èëè çíà÷åíèå -1 â ñëó÷àå îøèáêè.</p> |
<h1><a name="const">Êîíñòàíòû</a></h1> |
<h4>BUF2D_OPT_CROP_TOP equ 1</h4> |
<p>Êîíñòàíòà äëÿ ôóíêöèè buf2d_crop_color, îáîçíà÷àåò îáðåçêó áóôåðà ñâåðõó</p> |
262,6 → 269,7 |
buf2d_offset_h dd sz_buf2d_offset_h |
buf2d_flood_fill dd sz_buf2d_flood_fill |
buf2d_set_pixel dd sz_buf2d_set_pixel |
buf2d_get_pixel dd sz_buf2d_get_pixel |
dd 0,0 |
sz_lib_init db 'lib_init',0 |
289,7 → 297,8 |
sz_buf2d_crop_color db 'buf2d_crop_color',0 |
sz_buf2d_offset_h db 'buf2d_offset_h',0 |
sz_buf2d_flood_fill db 'buf2d_flood_fill',0 |
sz_buf2d_set_pixel db 'buf2d_set_pixel',0</pre> |
sz_buf2d_set_pixel db 'buf2d_set_pixel',0 |
sz_buf2d_get_pixel db 'buf2d_get_pixel',0</pre> |
<h1><a name="hist">Èñòîðèÿ</a></h1> |
<p>02.07.10 - ñàìàÿ ïåðâàÿ âåðñèÿ áèáëèîòåêè, 2 ïðèìåðà èñïîëüçîâàíèÿ.</p> |
310,6 → 319,7 |
<p>13.09.11 - îïòèìèçèðîâàíà ðàáîòà ôóíêöèé buf2d_filled_rect_by_size buf2d_rect_by_size, äîáàâëåíû ïðèìåðû èñïîëüçîâàíèÿ áèáëèîòåêè.</p> |
<p>22.09.11 - äîáàâëåíà ôóíêöèÿ buf2d_line_sm äëÿ ðèñîâàíèÿ ñãëàæåííîé ëèíèè.</p> |
<p>20.02.12 - ôóíêöèè buf2d_filled_rect_by_size è buf2d_rect_by_size ìîãóò ïðèíèìàòü îòðèöàòåëüíûå ðàçìåðû äëÿ ïðÿìîóãîëüíèêîâ, â ôóíêöèè buf2d_line ãîðèçîíòàëüíàÿ ëèíèÿ ðèñóåòñÿ íà 1 ïèêñåëü äëèíåå (ðàíüøå íå äîðèñîâûâàëî), íåêîòîðûå ôóíêöèè ìîãóò ðèñîâàòü â 8 áèòíûõ áóôåðàõ.</p> |
<p>23.02.12 - ôóíêöèÿ buf2d_bit_blt_alpha ìîæåò ïðèíèìàòü îòðèöàòåëüíûå êîîðäèíàòû â ïîçèöèè êîïèðóåìîãî áóôåðà, íåáîëüøèå äîðàáîòêè â buf2d_bit_blt_transp<p/> |
<p>23.02.12 - ôóíêöèÿ buf2d_bit_blt_alpha ìîæåò ïðèíèìàòü îòðèöàòåëüíûå êîîðäèíàòû â ïîçèöèè êîïèðóåìîãî áóôåðà, íåáîëüøèå äîðàáîòêè â buf2d_bit_blt_transp</p> |
<p>11.05.12 - äîáàâëåíà ôóíêöèÿ äëÿ âçÿòèÿ öâåòà òî÷êè buf2d_get_pixel, äîðàáîòêè â buf2d_set_pixel.</p> |
</body> |
</html> |
/programs/develop/libraries/buf2d/trunk/buf2d.asm |
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84,6 → 84,8 |
add esi,ebx ;size_x*y+x |
cmp buf2d_bits,8 |
je .beg8 |
cmp buf2d_bits,32 |
je .beg32 |
lea esi,[esi+esi*2] ;(size_x*y+x)*3 |
add esi,buf2d_data ;ptr+(size_x*y+x)*3 |
mov word[esi],dx ;copy pixel color |
94,6 → 96,11 |
.beg8: ;à¨á®¢ ¨¥ â®çª¨ ¢ 8 ¡¨â®¬ ¡ãä¥à¥ |
add esi,buf2d_data ;ptr+(size_x*y+x) |
mov byte[esi],dl |
jmp .end_draw |
.beg32: ;à¨á®¢ ¨¥ â®çª¨ ¢ 32 ¡¨â®¬ ¡ãä¥à¥ |
shl esi,2 |
add esi,buf2d_data ;ptr+(size_x*y+x) |
mov dword[esi],edx |
.end_draw: |
pop esi |
@@: |
107,6 → 114,36 |
; eax = 梥â â®çª¨ |
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff |
align 4 |
get_pixel_8: |
mov eax,0xffffffff |
bt ebx,31 |
jc @f |
bt ecx,31 |
jc @f |
cmp ebx,buf2d_w |
jge @f |
cmp ecx,buf2d_h |
jge @f |
push esi |
mov esi,buf2d_w ;size x |
imul esi,ecx ;size_x*y |
add esi,ebx ;size_x*y+x |
add esi,buf2d_data ;ptr+(size_x*y+x) |
movzx eax,byte[esi] ;copy pixel color |
pop esi |
@@: |
ret |
;input: |
; ebx = coord x |
; ecx = coord y |
; edi = pointer to buffer struct |
;output: |
; eax = 梥â â®çª¨ |
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff |
align 4 |
get_pixel_24: |
mov eax,0xffffffff |
137,6 → 174,37 |
;input: |
; ebx = coord x |
; ecx = coord y |
; edi = pointer to buffer struct |
;output: |
; eax = 梥â â®çª¨ |
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff |
align 4 |
get_pixel_32: |
mov eax,0xffffffff |
bt ebx,31 |
jc @f |
bt ecx,31 |
jc @f |
cmp ebx,buf2d_w |
jge @f |
cmp ecx,buf2d_h |
jge @f |
push esi |
mov esi,buf2d_w ;size x |
imul esi,ecx ;size_x*y |
add esi,ebx ;size_x*y+x |
shl esi,2 |
add esi,buf2d_data ;ptr+(size_x*y+x)*4 |
mov eax,dword[esi] ;copy pixel color |
pop esi |
@@: |
ret |
;input: |
; ebx = coord x |
; ecx = coord y |
; edx = pixel color + transparent |
; edi = pointer to buffer struct |
; t_prop, m_prop - ª®íä¨æ¨¥âë ¥®¡å®¤¨¬ë¥ ¤«ï ¢ëç¨á«¥¨ï á⥯¥¨ ¯à®§à ç®á⨠|
1635,25 → 1703,44 |
;äãªæ¨ï ¤«ï à¨á®¢ ¨ï â®çª¨ |
align 4 |
proc buf_set_pixel, buf_struc:dword, coord_x:dword, coord_y:dword, color:dword |
pushad |
mov edi,[buf_struc] |
cmp buf2d_bits,8 |
je @f |
cmp buf2d_bits,24 |
je @f |
jmp .end24 |
@@: |
proc buf_set_pixel uses ebx ecx edx edi, buf_struc:dword, coord_x:dword, coord_y:dword, color:dword |
mov edi,dword[buf_struc] |
mov ebx,dword[coord_x] |
mov ecx,dword[coord_y] |
mov edx,dword[color] |
call draw_pixel |
.end24: |
popad |
ret |
endp |
;output: |
; eax = 梥â â®çª¨ |
; ¢ á«ãç ¥ ®è¨¡ª¨ eax = 0xffffffff |
align 4 |
proc buf_get_pixel uses ebx ecx edi, buf_struc:dword, coord_x:dword, coord_y:dword |
mov edi,dword[buf_struc] |
mov ebx,[coord_x] |
mov ecx,[coord_y] |
cmp buf2d_bits,8 |
jne @f |
call get_pixel_8 |
jmp .end_fun |
@@: |
cmp buf2d_bits,24 |
jne @f |
call get_pixel_24 |
jmp .end_fun |
@@: |
cmp buf2d_bits,32 |
jne @f |
call get_pixel_32 |
;jmp .end_fun |
@@: |
.end_fun: |
ret |
endp |
align 4 |
proc buf_img_wdiv2, buf_struc:dword |
pushad |
mov edi,dword[buf_struc] |
2203,7 → 2290,7 |
@@: |
lea ebx,[ebx+ebx*2] ;ª®««¨ç¥á⢮ ¡ ©â ¢ 1-© áâப¥ ¡ãä¥à ¬¨ãá ç¨á«® ¡ ©â ¢ 1-© áâப¥ ª®¯¨à㥬®© ª à⨪¨ |
;g; |
cld |
cmp [right_bytes],0 |
jg .copy_1 |
2751,6 → 2838,7 |
dd sz_buf2d_offset_h, buf_offset_h |
dd sz_buf2d_flood_fill, buf_flood_fill |
dd sz_buf2d_set_pixel, buf_set_pixel |
dd sz_buf2d_get_pixel, buf_get_pixel |
dd 0,0 |
sz_lib_init db 'lib_init',0 |
sz_buf2d_create db 'buf2d_create',0 |
2778,4 → 2866,4 |
sz_buf2d_offset_h db 'buf2d_offset_h',0 |
sz_buf2d_flood_fill db 'buf2d_flood_fill',0 |
sz_buf2d_set_pixel db 'buf2d_set_pixel',0 |
sz_buf2d_get_pixel db 'buf2d_get_pixel',0 |