win32ss/gdi/ntgdi/rect.h

   1 #pragma once
   2
   3 FORCEINLINE
   4 VOID
   5 RECTL_vSetRect(
   6     _Out_ RECTL *prcl,
   7     _In_ LONG left,
   8     _In_ LONG top,
   9     _In_ LONG right,
  10     _In_ LONG bottom)
  11 {
  12     prcl->left = left;
  13     prcl->top = top;
  14     prcl->right = right;
  15     prcl->bottom = bottom;
  16 }
  17
  18 FORCEINLINE
  19 VOID
  20 RECTL_vSetEmptyRect(
  21     _Out_ RECTL *prcl)
  22 {
  23     prcl->left = 0;
  24     prcl->top = 0;
  25     prcl->right = 0;
  26     prcl->bottom = 0;
  27 }
  28
  29 FORCEINLINE
  30 VOID
  31 RECTL_vOffsetRect(
  32     _Inout_ RECTL *prcl,
  33     _In_ INT cx,
  34     _In_ INT cy)
  35 {
  36     prcl->left += cx;
  37     prcl->right += cx;
  38     prcl->top += cy;
  39     prcl->bottom += cy;
  40 }
  41
  42 FORCEINLINE
  43 BOOL
  44 RECTL_bIsEmptyRect(
  45     _In_ const RECTL *prcl)
  46 {
  47     return (prcl->left >= prcl->right || prcl->top >= prcl->bottom);
  48 }
  49
  50 FORCEINLINE
  51 BOOL
  52 RECTL_bPointInRect(
  53     _In_ const RECTL *prcl,
  54     _In_ INT x,
  55     _In_ INT y)
  56 {
  57     return (x >= prcl->left && x < prcl->right &&
  58             y >= prcl->top  && y < prcl->bottom);
  59 }
  60
  61 FORCEINLINE
  62 BOOL
  63 RECTL_bIsWellOrdered(
  64     _In_ const RECTL *prcl)
  65 {
  66     return ((prcl->left <= prcl->right) &&
  67             (prcl->top  <= prcl->bottom));
  68 }
  69
  70 FORCEINLINE
  71 BOOL
  72 RECTL_bClipRectBySize(
  73     _Out_ RECTL *prclDst,
  74     _In_ const RECTL *prclSrc,
  75     _In_ const SIZEL *pszl)
  76 {
  77     prclDst->left = max(prclSrc->left, 0);
  78     prclDst->top = max(prclSrc->top, 0);
  79     prclDst->right = min(prclSrc->right, pszl->cx);
  80     prclDst->bottom = min(prclSrc->bottom, pszl->cy);
  81     return !RECTL_bIsEmptyRect(prclDst);
  82 }
  83
  84 BOOL
  85 FASTCALL
  86 RECTL_bUnionRect(
  87     _Out_ RECTL *prclDst,
  88     _In_ const RECTL *prcl1,
  89     _In_ const RECTL *prcl2);
  90
  91 BOOL
  92 FASTCALL
  93 RECTL_bIntersectRect(
  94     _Out_ RECTL* prclDst,
  95     _In_ const RECTL* prcl1,
  96     _In_ const RECTL* prcl2);
  97
  98 VOID
  99 FASTCALL
 100 RECTL_vMakeWellOrdered(
 101     _Inout_ RECTL *prcl);
 102
 103 VOID
 104 FASTCALL
 105 RECTL_vInflateRect(
 106     _Inout_ RECTL *rect,
 107     _In_ INT dx,
 108     _In_ INT dy);