163 lines
5 KiB
C
163 lines
5 KiB
C
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/*
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* NineGrid bitmap rendering (ported from UxTheme)
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*/
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#ifndef DUI_UTIL_NINEGRID_H_INCLUDED
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#define DUI_UTIL_NINEGRID_H_INCLUDED
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#pragma once
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namespace DirectUI
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{
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//---------------------------------------------------------------------------
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//#include "uxtheme.h" // need MARGINS struct from here
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typedef struct _MARGINS
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{
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int cxLeftWidth; // width of left border that retains its size
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int cxRightWidth; // width of right border that retains its size
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int cyTopHeight; // height of top border that retains its size
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int cyBottomHeight; // height of bottom border that retains its size
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} MARGINS, *PMARGINS;
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//#include "tmschema.h" // need SIZINGTYPE, VALIGN, HALIGN enums from here
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enum SIZINGTYPE
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{
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ST_TRUESIZE,
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ST_STRETCH,
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ST_TILE,
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ST_TILEHORZ,
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ST_TILEVERT,
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ST_TILECENTER
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};
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enum HALIGN
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{
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HA_LEFT,
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HA_CENTER,
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HA_RIGHT
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};
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enum VALIGN
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{
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VA_TOP,
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VA_CENTER,
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VA_BOTTOM
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};
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//---------------------------------------------------------------------------
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#ifndef HEIGHT
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#define HEIGHT(rc) ((rc).bottom - (rc).top)
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#endif
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//---------------------------------------------------------------------------
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#ifndef WIDTH
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#define WIDTH(rc) ((rc).right - (rc).left)
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#endif
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//---------------------------------------------------------------------------
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enum MBSIZING
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{
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MB_COPY,
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MB_STRETCH,
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MB_TILE
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};
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//------------------------------------------------------------------------------------
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struct BRUSHBUFF
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{
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int iBuffLen;
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BYTE *pBuff;
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};
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//---------------------------------------------------------------------------
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struct MBINFO
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{
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DWORD dwSize; // size of this struct (versioning support)
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HDC hdcDest;
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HDC hdcSrc;
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RECT rcClip; // don't draw outside this rect
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HBITMAP hBitmap;
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//---- for quick tiling ----
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BRUSHBUFF *pBrushBuff;
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//---- options ----
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DWORD dwOptions; // subset DrawNineGrid() option flags
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POINT ptTileOrigin; // for MBO_TILEORIGIN
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BITMAPINFOHEADER *pbmHdr; // for MBO_DIRECTBITS
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BYTE *pBits; // for MBO_DIRECTBITS
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COLORREF crTransparent; // for MBO_TRANSPARENT
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_BLENDFUNCTION AlphaBlendInfo; // for MBO_ALPHABLEND
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HBRUSH *pCachedBrushes; // for DNG_CACHEBRUSHES
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int iCacheIndex; // which brush to use
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};
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//---------------------------------------------------------------------------
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//---- DrawNineGrid() "dwOptions" bits ----
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//---- shared with MultiBlt() ----
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#define DNG_ALPHABLEND (1 << 0) // use AlphaBlendInfo
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#define DNG_TRANSPARENT (1 << 1) // transparancy defined by crTransparent
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#define DNG_TILEORIGIN (1 << 2) // use ptTileOrigin
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#define DNG_DIRECTBITS (1 << 3) // use pbmHdr & pBits
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#define DNG_CACHEBRUSHES (1 << 4) // use/set pCachedBrushes
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#define DNG_MANUALTILING (1 << 5) // loop thru BitBlt's
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#define DNG_DIRECTBRUSH (1 << 6) // create brushes from temp. extracted DIB's
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#define DNG_FLIPGRIDS (1 << 7) // all grid images should be flipped
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//---- used only by DrawNineGrid() ----
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#define DNG_OMITBORDER (1 << 16) // don't draw border
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#define DNG_OMITCONTENT (1 << 17) // don't draw middle
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#define DNG_SOLIDBORDER (1 << 18) // sample borders and draw as solid colors
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#define DNG_SOLIDCONTENT (1 << 19) // sample content as draw as solid color
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#define DNG_BGFILL (1 << 20) // use crFill for ST_TRUESIZE
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//------------------------------------------------------------------------------------
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struct NGINFO
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{
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DWORD dwSize; // size of this struct (versioning support)
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HDC hdcDest;
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RECT rcClip; // don't draw outside this rect
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SIZINGTYPE eImageSizing;
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HBITMAP hBitmap;
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RECT rcSrc; // where to get bits from
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RECT rcDest; // where to draw bits to
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int iDestMargins[4];
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int iSrcMargins[4];
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//---- for quick tiling ----
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BRUSHBUFF *pBrushBuff;
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//---- options ----
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DWORD dwOptions;
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POINT ptTileOrigin; // for DNG_TILEORIGIN
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BITMAPINFOHEADER *pbmHdr; // for DNG_DIRECTBITS
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BYTE *pBits; // for DNG_DIRECTBITS
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COLORREF crTransparent; // for DNG_TRANSPARENT
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_BLENDFUNCTION AlphaBlendInfo; // for DNG_ALPHABLEND
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HBRUSH *pCachedBrushes; // for DNG_CACHEBRUSHES
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COLORREF *pcrBorders; // for DNG_SOLIDBORDERS, DNG_SOLIDCONTENT
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//---- for ST_TRUESIZE images smaller than rcDest ----
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COLORREF crFill;
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VALIGN eVAlign;
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HALIGN eHAlign;
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};
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//---------------------------------------------------------------------------
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HRESULT MultiBlt(MBINFO *pmb, MBSIZING eSizing, int iDestX, int iDestY, int iDestW, int iDestH,
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int iSrcX, int iSrcY, int iSrcW, int iSrcH);
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HRESULT DrawNineGrid(NGINFO *png);
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//---------------------------------------------------------------------------
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} // namespace DirectUI
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#endif // DUI_UTIL_NINEGRID_H_INCLUDED
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