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function 'buf2d_line_sm' - fix error when the line is 45 degrees

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git-svn-id: svn://kolibrios.org@9520 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
IgorA
2021-12-28 21:57:16 +00:00
parent 130b0311ad
commit c5dc86cc2c
4 changed files with 74 additions and 77 deletions
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27
programs/develop/libraries/buf2d/trunk/examples/e5_lines_sm.asm
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@@ -13,6 +13,8 @@ include '../../../../../dll.inc'
buf2d_l equ word[edi+4] ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᫥<><E1ABA5>
buf2d_t equ word[edi+6] ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ᢥ<><E1A2A5><EFBFBD>
buf2d_w equ dword[edi+8]
buf2d_h equ dword[edi+12]
buf2d_color equ dword[edi+16] ;梥<> 䮭<> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
align 4
@@ -21,7 +23,7 @@ start:
cmp eax,-1
jz button.exit
mcall 40,0x27
mcall SF_SET_EVENTS_MASK,0xC0000027
stdcall [buf2d_create], buf_0 ;ᮧ<><E1AEA7><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
;<3B><><EFBFBD>㥬 <20><>ࢮ<EFBFBD><E0A2AE>砫<EFBFBD><E7A0AB><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
stdcall [buf2d_filled_rect_by_size], buf_0, 100-50,70-25, 100,50, 0xffffff ;<3B><><EFBFBD>㥬 <20><>אַ㣮<EFACAE>쭨<EFBFBD>
@@ -34,7 +36,7 @@ red_win:
align 4
still:
mcall 10
mcall SF_WAIT_EVENT
cmp al,1 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
jz red_win
cmp al,2
@@ -48,21 +50,21 @@ still:
align 4
draw_window:
pushad
mcall 12,1
mcall SF_REDRAW,SSF_BEGIN_DRAW
;mov edx,0x32000000
mov edx,0x33000000
mcall 0,(50 shl 16)+330,(30 shl 16)+275,,,caption
mcall SF_CREATE_WINDOW,(50 shl 16)+330,(30 shl 16)+275,,,caption
stdcall [buf2d_draw], buf_0
mcall 12,2
mcall SF_REDRAW,SSF_END_DRAW
popad
ret
align 4
key:
mcall 2
mcall SF_GET_KEY
cmp ah,27 ;Esc
je button.exit
@@ -71,26 +73,30 @@ key:
align 4
button:
mcall 17 ;<3B><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD>⮩ <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mcall SF_GET_BUTTON
cmp ah,1
jne still
.exit:
stdcall [buf2d_delete],buf_0 ;㤠<>塞 <20><><EFBFBD><EFBFBD><EFBFBD>
mcall -1 ;<3B><>室 <20><> <20>ணࠬ<E0AEA3><E0A0AC>
mcall SF_TERMINATE_PROCESS
align 4
mouse:
;<3B><>ࠡ<EFBFBD><E0A0A1>뢠<EFBFBD><EBA2A0> <20><><EFBFBD><EFBFBD> ।<><E0A5A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
mcall 37,2 ;get mouse buttons
mcall SF_MOUSE_GET,SSF_BUTTON
cmp al,1
jne @f
mcall 37,1 ;get mouse coords
mcall SF_MOUSE_GET,SSF_WINDOW_POSITION
mov ebx,eax
shr ebx,16 ;<3B> eax <20><><EFBFBD>न<EFBFBD><E0A4A8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> 'x'
and eax,0xffff ;<3B> eax <20><><EFBFBD>न<EFBFBD><E0A4A8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><> <20><><EFBFBD> 'y'
mov edi,buf_0
sub ax,buf2d_t ;ᤢ<><E1A4A2><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD>न<EFBFBD><E0A4A8><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>뢠<EFBFBD> ᬥ饭<E1ACA5><E9A5AD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cmp eax,buf2d_h
jge @f
sub bx,buf2d_l
cmp ebx,buf2d_w
jge @f
;<3B><>ᮢ<EFBFBD><E1AEA2><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD>⨨
stdcall [buf2d_clear], edi, buf2d_color ;<3B><><EFBFBD>頥<EFBFBD> <20><>࠭ <20><> <20>।<EFBFBD><E0A5A4><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>ᮢ<EFBFBD><E1AEA2><EFBFBD><EFBFBD>
@@ -164,6 +170,7 @@ system_path db '/sys/lib/'
lib0_name db 'buf2d.obj',0
;--------------------------------------------------
align 16
i_end: ;<3B><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
rb 1024
stacktop: