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'buf2d.obj' add new function 'buf2d_get_pixel'

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git-svn-id: svn://kolibrios.org@2658 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
IgorA
2012-05-11 10:11:27 +00:00
parent 72810d8d6a
commit a992134c24
2 changed files with 122 additions and 24 deletions
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122
programs/develop/libraries/buf2d/trunk/buf2d.asm
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@@ -84,6 +84,8 @@ draw_pixel:
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
@@ -94,11 +96,46 @@ draw_pixel:
.beg8: ;<3B><>ᮢ<EFBFBD><E1AEA2><EFBFBD><EFBFBD> <20><>窨 <20> 8 <20><>⭮<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
add esi,buf2d_data ;ptr+(size_x*y+x)
mov byte[esi],dl
jmp .end_draw
.beg32: ;<3B><>ᮢ<EFBFBD><E1AEA2><EFBFBD><EFBFBD> <20><>窨 <20> 32 <20><>⭮<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
shl esi,2
add esi,buf2d_data ;ptr+(size_x*y+x)
mov dword[esi],edx
.end_draw:
pop esi
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edi = pointer to buffer struct
;output:
; eax = 梥<> <20><>窨
; <20> <20><><EFBFBD>砥 <20>訡<EFBFBD><E8A8A1> 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
@@ -134,6 +171,37 @@ get_pixel_24:
@@:
ret
;input:
; ebx = coord x
; ecx = coord y
; edi = pointer to buffer struct
;output:
; eax = 梥<> <20><>窨
; <20> <20><><EFBFBD>砥 <20>訡<EFBFBD><E8A8A1> 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
@@ -1635,21 +1703,40 @@ buf_flood_fill_recurs_1:
;<3B>㭪<EFBFBD><E3ADAA><EFBFBD> <20><><EFBFBD> <20><>ᮢ<EFBFBD><E1AEA2><EFBFBD><EFBFBD> <20><>窨
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
@@:
mov ebx,dword[coord_x]
mov ecx,dword[coord_y]
mov edx,dword[color]
call draw_pixel
.end24:
popad
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
ret
endp
;output:
; eax = 梥<> <20><>窨
; <20> <20><><EFBFBD>砥 <20>訡<EFBFBD><E8A8A1> 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
@@ -2203,7 +2290,7 @@ proc buf_bit_blt_transp, buf_destination:dword, coord_x:dword, coord_y:dword, bu
@@:
lea ebx,[ebx+ebx*2] ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⢮ <20><><EFBFBD><EFBFBD> <20> 1-<2D> <20><>ப<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><>᫮ <20><><EFBFBD><EFBFBD> <20> 1-<2D> <20><>ப<EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>㥬<EFBFBD><E3A5AC> <20><><EFBFBD>⨭<EFBFBD><E2A8AD>
;g;
cld
cmp [right_bytes],0
jg .copy_1
@@ -2751,6 +2838,7 @@ EXPORTS:
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 @@ EXPORTS:
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