| 128,56 → 128,7 |
|---|
| @@: |
| 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⨠|
| align 4 |
| transp_32 dd 0 ;梥â à¨á㥬®© â®çª¨ + ¯à®§à ç®áâì |
| align 4 |
| proc draw_pixel_transp, t_prop:dword, m_prop:dword |
| ;cmp buf2d_bits,24 |
| ;jne @f |
| bt ebx,31 |
| jc @f |
| bt ecx,31 |
| jc @f |
| cmp ebx,buf2d_w |
| jge @f |
| cmp ecx,buf2d_h |
| jge @f |
| push eax ebx edx edi esi |
| mov esi,buf2d_w ;size x |
| imul esi,ecx ;size_x*y |
| add esi,ebx ;size_x*y+x |
| lea esi,[esi+esi*2] ;(size_x*y+x)*3 |
| add esi,buf2d_data ;ptr+(size_x*y+x)*3 |
| |
| mov edi,esi ;㪠§ ⥫ì 梥â ä® |
| mov dword[transp_32],edx ;梥â à¨á㥬®© â®çª¨ |
| |
| xor edx,edx |
| mov eax,[t_prop] |
| shl eax,8 ;*=256 |
| mov ebx,[m_prop] |
| div ebx ;¢ëç¨á«ï¥¬ ª®íä. ¯à®§à ç®á⨠(¤®«¦¥ ¡ëâì ®â 0 ¤® 255) |
| bt ax,8 |
| jnc .over_255 |
| ;¥á«¨ ª®¥ä. ¯à®§à ç®á⨠>=256 ⮠㬥ìè ¥¬ ¥£® ¤® 255 |
| mov al,0xff |
| .over_255: |
| |
| mov byte[transp_32+3],al ;¯à®§à ç®áâì à¨á㥬®© â®çª¨ |
| mov esi,dword transp_32 ;㪠§ ⥫ì 梥â à¨á㥬®© â®çª¨ |
| |
| call combine_colors |
| pop esi edi edx ebx eax |
| @@: |
| ret |
| endp |
| |
| ;ᮧ¤ ¨¥ ¡ãä¥à |
| align 4 |
| proc buf_create, buf_struc:dword |
| 1002,6 → 953,8 |
|---|
| napravl db ? |
| endl |
| pushad |
| mov edx,dword[color] |
| |
| mov eax,dword[coord_x1] |
| sub eax,dword[coord_x0] |
| bt eax,31 |
| 1011,17 → 964,11 |
|---|
| @@: |
| mov ebx,dword[coord_y1] |
| sub ebx,dword[coord_y0] |
| jnz @f |
| ;¥á«¨ § ¤ £®à¨§®â «ì ï «¨¨ï y0=y1 |
| stdcall buf_line_h, [buf_struc], [coord_x0], [coord_y0], [coord_x1], [color] |
| jmp .coord_end |
| @@: |
| bt ebx,31 |
| jae @f |
| neg ebx |
| inc ebx |
| @@: |
| mov edx,dword[color] |
| |
| mov [napravl],byte 0 ;bool steep=false |
| cmp eax,ebx |
| 1113,140 → 1060,6 |
|---|
| ret |
| endp |
| |
| ;à¨á®¢ ¨¥ ᣫ ¦¥®© «¨¨¨ |
| align 4 |
| proc buf_line_brs_sm, buf_struc:dword, coord_x0:dword, coord_y0:dword, coord_x1:dword, coord_y1:dword, color:dword |
| locals |
| loc_1 dd ? |
| loc_2 dd ? |
| napravl db ? |
| endl |
| pushad |
| mov eax,dword[coord_x1] |
| sub eax,dword[coord_x0] |
| bt eax,31 |
| jae @f |
| neg eax |
| inc eax |
| @@: |
| mov ebx,dword[coord_y1] |
| sub ebx,dword[coord_y0] |
| jnz @f |
| ;¥á«¨ § ¤ £®à¨§®â «ì ï «¨¨ï y0=y1 |
| stdcall buf_line_h, [buf_struc], [coord_x0], [coord_y0], [coord_x1], [color] |
| jmp .coord_end |
| @@: |
| bt ebx,31 |
| jae @f |
| neg ebx |
| inc ebx |
| @@: |
| mov edx,dword[color] |
| |
| mov [napravl],byte 0 ;bool steep=false |
| cmp eax,ebx |
| jle @f |
| mov [napravl],byte 1 ;bool steep=true |
| swap dword[coord_x0],dword[coord_y0] ;swap(x0, y0); |
| swap dword[coord_x1],dword[coord_y1] ;swap(x1, y1); |
| @@: |
| mov eax,dword[coord_y0] ;x0 |
| cmp eax,dword[coord_y1] ;if(x0>x1) |
| jle @f |
| swap dword[coord_y0],dword[coord_y1] ;swap(x0, x1); |
| swap dword[coord_x0],dword[coord_x1] ;swap(y0, y1); |
| @@: |
| |
| ; int deltax esi |
| ; int deltay edi |
| ; int error ebp-6 |
| ; int ystep ebp-8 |
| |
| mov eax,dword[coord_y0] |
| mov esi,dword[coord_y1] |
| sub esi,eax ;deltax = y1-y0 |
| mov ebx,esi |
| shr ebx,1 |
| mov [loc_1],ebx ;error = deltax/2 |
| |
| mov eax,dword[coord_x0] |
| mov edi,dword[coord_x1] |
| mov [loc_2],dword -1 ;ystep = -1 |
| cmp eax,edi ;if (x0<x1) ystep = 1; |
| jge @f |
| mov [loc_2],dword 1 ;ystep = 1 |
| @@: |
| sub edi,eax ;x1-x0 |
| |
| bts edi,31 |
| jae @f |
| neg edi |
| inc edi |
| @@: |
| and edi,0x7fffffff ;deltay = abs(x1-x0) |
| |
| mov eax,edi |
| mov edi,[buf_struc] |
| cmp buf2d_bits,24 |
| jne .coord_end |
| |
| cmp [napravl],0 |
| jne .coord_yx |
| mov ebx,dword[coord_x0] |
| mov ecx,dword[coord_y0] |
| |
| @@: ;for (x=x0 ; x<x1; x++) ;------------------------------------ |
| cmp ecx,dword[coord_y1] |
| jg @f ;jge ??? |
| push eax |
| mov eax,esi |
| sub eax,[loc_1] |
| stdcall draw_pixel_transp, eax,esi |
| pop eax |
| add ebx,[loc_2] |
| stdcall draw_pixel_transp, [loc_1],esi |
| sub ebx,[loc_2] |
| |
| sub dword[loc_1],eax ;error -= deltay |
| cmp dword[loc_1],0 ;if(error<0) |
| jge .if0 |
| add ebx,[loc_2] ;y += ystep |
| add [loc_1],esi ;error += deltax |
| .if0: |
| inc ecx |
| jmp @b |
| @@: |
| jmp .coord_end |
| .coord_yx: |
| mov ebx,dword[coord_y0] |
| mov ecx,dword[coord_x0] |
| |
| @@: ;for (x=x0 ; x<x1; x++) ;------------------------------------ |
| cmp ebx,dword[coord_y1] |
| jg @f ;jge ??? |
| push eax |
| mov eax,esi |
| sub eax,[loc_1] |
| stdcall draw_pixel_transp, eax,esi |
| pop eax |
| add ecx,[loc_2] |
| stdcall draw_pixel_transp, [loc_1],esi |
| sub ecx,[loc_2] |
| |
| sub dword[loc_1],eax ;error -= deltay |
| cmp dword[loc_1],0 ;if(error<0) |
| jge .if1 |
| add ecx,[loc_2] ;y += ystep |
| add [loc_1],esi ;error += deltax |
| .if1: |
| inc ebx |
| jmp @b |
| @@: |
| .coord_end: |
| popad |
| ret |
| endp |
| |
| ;à¨á®¢ ¨¥ £®à¨§®â «ì®© «¨¨¨, ¯®â®¬ã ¥â ¯ à ¬¥âà coord_y1 |
| align 4 |
| proc buf_line_h, buf_struc:dword, coord_x0:dword, coord_y0:dword, coord_x1:dword, color:dword |
| 2555,7 → 2368,6 |
|---|
| dd sz_buf2d_delete, buf_delete |
| dd sz_buf2d_resize, buf_resize |
| dd sz_buf2d_line, buf_line_brs |
| dd sz_buf2d_line_sm, buf_line_brs_sm |
| dd sz_buf2d_rect_by_size, buf_rect_by_size |
| dd sz_buf2d_filled_rect_by_size, buf_filled_rect_by_size |
| dd sz_buf2d_circle, buf_circle |
| 2582,7 → 2394,6 |
|---|
| sz_buf2d_delete db 'buf2d_delete',0 |
| sz_buf2d_resize db 'buf2d_resize',0 |
| sz_buf2d_line db 'buf2d_line',0 ;à¨á®¢ ¨¥ «¨¨¨ |
| sz_buf2d_line_sm db 'buf2d_line_sm',0 ;à¨á®¢ ¨¥ ᣫ ¦¥®© «¨¨¨ |
| sz_buf2d_rect_by_size db 'buf2d_rect_by_size',0 ;à¨á®¢ ¨¥ à ¬ª¨ ¯àאַ㣮«ì¨ª , 2-ï ª®®à¤¨ â § ¤ ¯® à §¬¥àã |
| sz_buf2d_filled_rect_by_size db 'buf2d_filled_rect_by_size',0 ;à¨á®¢ ¨¥ § «¨â®£® ¯àאַ㣮«ì¨ª , 2-ï ª®®à¤¨ â § ¤ ¯® à §¬¥àã |
| sz_buf2d_circle db 'buf2d_circle',0 ;à¨á®¢ ¨¥ ®ªà㦮á⨠|