; _______________________________________________________________________________________
;|                                                                                       |
;| ..::FreshLib::..  Free, open source. Licensed under "BSD 2-clause" license."          |
;|_______________________________________________________________________________________|
;
;  Description: Draw library contains procedures for drawing oprtations.
;
;  Target OS: Win32
;
;  Dependencies:
;
;  Notes:
;_________________________________________________________________________________________

lsEndCapRound = PS_ENDCAP_ROUND
lsEndCapSquare = PS_ENDCAP_SQUARE
lsEndCapFlat   = PS_ENDCAP_FLAT

lsJoinRound = PS_JOIN_ROUND
lsJoinBevel = PS_JOIN_BEVEL
lsJoinMiter = PS_JOIN_MITER



proc DrawLine, .context, .x1, .y1, .x2, .y2
begin
        push    eax ebx ecx edx
        mov     ebx, [.context]

        invoke  MoveToEx, [ebx+TContext.handle], [.x1], [.y1], 0
        invoke  LineTo, [ebx+TContext.handle], [.x2], [.y2]

        pop     edx ecx ebx eax
        return
endp




proc DrawFillRect, .context, .x, .y, .width, .height, .color
begin
        push    eax ebx ecx edx esi

        mov     ebx, [.context]

        mov     eax, [.color]
        bswap   eax
        ror     eax, 8
        mov     esi, eax
        xor     esi, $ff000000
        invoke  CreateSolidBrush, esi
        invoke  SelectObject, [ebx+TContext.handle], eax
        push    eax

        invoke  CreatePen, PS_SOLID, 0, esi
        invoke  SelectObject, [ebx+TContext.handle], eax
        push    eax

        mov     eax, [.x]
        mov     ecx, [.y]
        add     eax, [.width]
        add     ecx, [.height]

        cmp     [.width], 1
        je      .line1
        cmp     [.height], 1
        jne     .rect

        dec     ecx
        jmp     .line

.line1:
        dec     eax
.line:
        invoke  MoveToEx, [ebx+TContext.handle], eax, ecx, 0
        invoke  LineTo, [ebx+TContext.handle], [.x], [.y]
        inc     [.x]
        invoke  LineTo, [ebx+TContext.handle],[.x], [.y]
        jmp     .free

.rect:
        invoke  Rectangle, [ebx+TContext.handle], [.x], [.y], eax, ecx

;        lea     ecx, [.x]
;        invoke  FillRect, [ebx+TContext.handle], ecx, eax
.free:
        invoke  SelectObject, [ebx+TContext.handle] ; from the stack.
        invoke  DeleteObject, eax
        invoke  SelectObject, [ebx+TContext.handle] ; from the stack.
        invoke  DeleteObject, eax
        pop     esi edx ecx ebx eax
        return
endp





macro Outline [type, x, y] {
  common
local ..types, ..points, ..count
     dd  ..count
     dd  ..types
     dd  ..points
  common
    label ..types byte
  forward
     db type
  common
    label ..points dword
  forward
    dd  x
    dd  y
}




proc Draw, .raster, .pDrawPoints
begin

        return
endp

