| 1 | /*
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| 2 |  * GDI definitions
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| 3 |  *
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| 4 |  * Copyright 1993 Alexandre Julliard
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| 5 |  */
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| 6 | 
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| 7 | #ifndef __WINE_GDI_H
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| 8 | #define __WINE_GDI_H
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| 9 | 
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| 10 | #include "windef.h"
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| 11 | #include "wingdi.h"
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| 12 | #include "ldt.h"
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| 13 | #include "path.h"
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| 14 | #include <math.h>
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| 15 | #include "local.h"
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| 16 | 
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| 17 |   /* GDI objects magic numbers */
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| 18 | #define PEN_MAGIC             0x4f47
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| 19 | #define BRUSH_MAGIC           0x4f48
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| 20 | #define FONT_MAGIC            0x4f49
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| 21 | #define PALETTE_MAGIC         0x4f4a
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| 22 | #define BITMAP_MAGIC          0x4f4b
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| 23 | #define REGION_MAGIC          0x4f4c
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| 24 | #define DC_MAGIC              0x4f4d
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| 25 | #define DISABLED_DC_MAGIC     0x4f4e
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| 26 | #define META_DC_MAGIC         0x4f4f
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| 27 | #define METAFILE_MAGIC        0x4f50
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| 28 | #define METAFILE_DC_MAGIC     0x4f51
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| 29 | #define ENHMETAFILE_MAGIC     0x4f52
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| 30 | #define ENHMETAFILE_DC_MAGIC  0x4f53
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| 31 | 
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| 32 | #define MAGIC_DONTCARE        0xffff
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| 33 | 
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| 34 | typedef struct tagGDIOBJHDR
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| 35 | {
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| 36 |     HANDLE16    hNext;
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| 37 |     WORD        wMagic;
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| 38 |     DWORD       dwCount;
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| 39 | } GDIOBJHDR;
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| 40 | 
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| 41 | 
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| 42 | typedef struct tagDeviceCaps
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| 43 | {
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| 44 |     WORD   version;       /*   0: driver version */
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| 45 |     WORD   technology;    /*   2: device technology */
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| 46 |     WORD   horzSize;      /*   4: width of display in mm */
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| 47 |     WORD   vertSize;      /*   6: height of display in mm */
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| 48 |     WORD   horzRes;       /*   8: width of display in pixels */
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| 49 |     WORD   vertRes;       /*  10: width of display in pixels */
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| 50 |     WORD   bitsPixel;     /*  12: bits per pixel */
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| 51 |     WORD   planes;        /*  14: color planes */
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| 52 |     WORD   numBrushes;    /*  16: device-specific brushes */
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| 53 |     WORD   numPens;       /*  18: device-specific pens */
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| 54 |     WORD   numMarkers;    /*  20: device-specific markers */
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| 55 |     WORD   numFonts;      /*  22: device-specific fonts */
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| 56 |     WORD   numColors;     /*  24: size of color table */
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| 57 |     WORD   pdeviceSize;   /*  26: size of PDEVICE structure */
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| 58 |     WORD   curveCaps;     /*  28: curve capabilities */
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| 59 |     WORD   lineCaps;      /*  30: line capabilities */
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| 60 |     WORD   polygonalCaps; /*  32: polygon capabilities */
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| 61 |     WORD   textCaps;      /*  34: text capabilities */
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| 62 |     WORD   clipCaps;      /*  36: clipping capabilities */
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| 63 |     WORD   rasterCaps;    /*  38: raster capabilities */
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| 64 |     WORD   aspectX;       /*  40: relative width of device pixel */
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| 65 |     WORD   aspectY;       /*  42: relative height of device pixel */
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| 66 |     WORD   aspectXY;      /*  44: relative diagonal width of device pixel */
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| 67 |     WORD   pad1[21];      /*  46-86: reserved */
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| 68 |     WORD   logPixelsX;    /*  88: pixels / logical X inch */
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| 69 |     WORD   logPixelsY;    /*  90: pixels / logical Y inch */
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| 70 |     WORD   pad2[6];       /*  92-102: reserved */
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| 71 |     WORD   sizePalette;   /* 104: entries in system palette */
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| 72 |     WORD   numReserved;   /* 106: reserved entries */
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| 73 |     WORD   colorRes;      /* 108: color resolution */    
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| 74 | } DeviceCaps;
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| 75 | 
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| 76 | typedef struct tagGDI_DRIVER 
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| 77 | {
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| 78 |     BOOL (*pInitialize)(void);
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| 79 |     void (*pFinalize)(void);
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| 80 | } GDI_DRIVER;
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| 81 | 
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| 82 | extern GDI_DRIVER *GDI_Driver;
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| 83 | 
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| 84 |   /* Device independent DC information */
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| 85 | typedef struct
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| 86 | {
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| 87 |     int           flags;
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| 88 |     const DeviceCaps *devCaps;
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| 89 | 
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| 90 |     HRGN16        hClipRgn;     /* Clip region (may be 0) */
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| 91 |     HRGN16        hVisRgn;      /* Visible region (must never be 0) */
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| 92 |     HRGN16        hGCClipRgn;   /* GC clip region (ClipRgn AND VisRgn) */
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| 93 |     HPEN16        hPen;
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| 94 |     HBRUSH16      hBrush;
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| 95 |     HFONT16       hFont;
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| 96 |     HBITMAP16     hBitmap;
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| 97 |     HBITMAP16     hFirstBitmap; /* Bitmap selected at creation of the DC */
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| 98 |     HANDLE16      hDevice;
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| 99 |     HPALETTE16    hPalette;
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| 100 |     
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| 101 |     GdiPath       path;
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| 102 | 
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| 103 |     WORD          ROPmode;
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| 104 |     WORD          polyFillMode;
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| 105 |     WORD          stretchBltMode;
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| 106 |     WORD          relAbsMode;
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| 107 |     WORD          backgroundMode;
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| 108 |     COLORREF      backgroundColor;
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| 109 |     COLORREF      textColor;
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| 110 |     short         brushOrgX;
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| 111 |     short         brushOrgY;
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| 112 | 
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| 113 |     WORD          textAlign;         /* Text alignment from SetTextAlign() */
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| 114 |     short         charExtra;         /* Spacing from SetTextCharacterExtra() */
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| 115 |     short         breakTotalExtra;   /* Total extra space for justification */
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| 116 |     short         breakCount;        /* Break char. count */
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| 117 |     short         breakExtra;        /* breakTotalExtra / breakCount */
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| 118 |     short         breakRem;          /* breakTotalExtra % breakCount */
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| 119 | 
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| 120 |     RECT        totalExtent;
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| 121 |     BYTE          bitsPerPixel;
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| 122 | 
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| 123 |     INT         MapMode;
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| 124 |     INT         GraphicsMode;      /* Graphics mode */
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| 125 |     INT         DCOrgX;            /* DC origin */
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| 126 |     INT         DCOrgY;
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| 127 |     FARPROC16     lpfnPrint;         /* AbortProc for Printing */
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| 128 |     INT         CursPosX;          /* Current position */
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| 129 |     INT         CursPosY;
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| 130 |     INT         ArcDirection;
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| 131 |     XFORM         xformWorld2Wnd;    /* World-to-window transformation */
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| 132 |     XFORM         xformWorld2Vport;  /* World-to-viewport transformation */
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| 133 |     XFORM         xformVport2World;  /* Inverse of the above transformation */
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| 134 |     BOOL        vport2WorldValid;  /* Is xformVport2World valid? */
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| 135 | } WIN_DC_INFO;
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| 136 | 
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| 137 | typedef struct tagDC
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| 138 | {
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| 139 |     GDIOBJHDR      header;
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| 140 |     HDC          hSelf;            /* Handle to this DC */
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| 141 |     const struct tagDC_FUNCS *funcs; /* DC function table */
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| 142 |     void          *physDev;          /* Physical device (driver-specific) */
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| 143 |     INT          saveLevel;
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| 144 |     DWORD          dwHookData;
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| 145 |     FARPROC16      hookProc;
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| 146 | 
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| 147 |     INT          wndOrgX;          /* Window origin */
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| 148 |     INT          wndOrgY;
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| 149 |     INT          wndExtX;          /* Window extent */
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| 150 |     INT          wndExtY;
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| 151 |     INT          vportOrgX;        /* Viewport origin */
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| 152 |     INT          vportOrgY;
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| 153 |     INT          vportExtX;        /* Viewport extent */
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| 154 |     INT          vportExtY;
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| 155 | 
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| 156 |     WIN_DC_INFO w;
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| 157 | } DC;
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| 158 | 
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| 159 | 
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| 160 |   /* LoadOEMResource types */
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| 161 | #define OEM_BITMAP  1
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| 162 | #define OEM_CURSOR  2
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| 163 | #define OEM_ICON    3
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| 164 | 
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| 165 |   /* DC hook codes */
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| 166 | #define DCHC_INVALIDVISRGN      0x0001
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| 167 | #define DCHC_DELETEDC           0x0002
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| 168 | 
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| 169 | #define DCHF_INVALIDATEVISRGN   0x0001
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| 170 | #define DCHF_VALIDATEVISRGN     0x0002
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| 171 | 
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| 172 |   /* DC flags */
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| 173 | #define DC_MEMORY     0x0001   /* It is a memory DC */
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| 174 | #define DC_SAVED      0x0002   /* It is a saved DC */
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| 175 | #define DC_DIRTY      0x0004   /* hVisRgn has to be updated */
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| 176 | #define DC_THUNKHOOK  0x0008   /* DC hook is in the 16-bit code */ 
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| 177 | 
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| 178 |   /* Last 32 bytes are reserved for stock object handles */
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| 179 | #define GDI_HEAP_SIZE               0xffe0
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| 180 | 
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| 181 |   /* First handle possible for stock objects (must be >= GDI_HEAP_SIZE) */
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| 182 | #define FIRST_STOCK_HANDLE          GDI_HEAP_SIZE
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| 183 | 
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| 184 |   /* Stock objects handles */
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| 185 | 
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| 186 | #define NB_STOCK_OBJECTS          (DEFAULT_GUI_FONT + 1)
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| 187 | 
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| 188 | #define STOCK_WHITE_BRUSH       ((HBRUSH16)(FIRST_STOCK_HANDLE+WHITE_BRUSH))
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| 189 | #define STOCK_LTGRAY_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+LTGRAY_BRUSH))
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| 190 | #define STOCK_GRAY_BRUSH        ((HBRUSH16)(FIRST_STOCK_HANDLE+GRAY_BRUSH))
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| 191 | #define STOCK_DKGRAY_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+DKGRAY_BRUSH))
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| 192 | #define STOCK_BLACK_BRUSH       ((HBRUSH16)(FIRST_STOCK_HANDLE+BLACK_BRUSH))
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| 193 | #define STOCK_NULL_BRUSH        ((HBRUSH16)(FIRST_STOCK_HANDLE+NULL_BRUSH))
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| 194 | #define STOCK_HOLLOW_BRUSH      ((HBRUSH16)(FIRST_STOCK_HANDLE+HOLLOW_BRUSH))
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| 195 | #define STOCK_WHITE_PEN         ((HPEN16)(FIRST_STOCK_HANDLE+WHITE_PEN))
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| 196 | #define STOCK_BLACK_PEN         ((HPEN16)(FIRST_STOCK_HANDLE+BLACK_PEN))
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| 197 | #define STOCK_NULL_PEN          ((HPEN16)(FIRST_STOCK_HANDLE+NULL_PEN))
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| 198 | #define STOCK_OEM_FIXED_FONT    ((HFONT16)(FIRST_STOCK_HANDLE+OEM_FIXED_FONT))
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| 199 | #define STOCK_ANSI_FIXED_FONT   ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_FIXED_FONT))
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| 200 | #define STOCK_ANSI_VAR_FONT     ((HFONT16)(FIRST_STOCK_HANDLE+ANSI_VAR_FONT))
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| 201 | #define STOCK_SYSTEM_FONT       ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FONT))
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| 202 | #define STOCK_DEVICE_DEFAULT_FONT ((HFONT16)(FIRST_STOCK_HANDLE+DEVICE_DEFAULT_FONT))
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| 203 | #define STOCK_DEFAULT_PALETTE   ((HPALETTE16)(FIRST_STOCK_HANDLE+DEFAULT_PALETTE))
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| 204 | #define STOCK_SYSTEM_FIXED_FONT ((HFONT16)(FIRST_STOCK_HANDLE+SYSTEM_FIXED_FONT))
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| 205 | #define STOCK_DEFAULT_GUI_FONT  ((HFONT16)(FIRST_STOCK_HANDLE+DEFAULT_GUI_FONT))
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| 206 | 
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| 207 | #define FIRST_STOCK_FONT        STOCK_OEM_FIXED_FONT
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| 208 | #define LAST_STOCK_FONT         STOCK_DEFAULT_GUI_FONT
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| 209 | 
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| 210 | #define LAST_STOCK_HANDLE       ((DWORD)STOCK_DEFAULT_GUI_FONT)
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| 211 | 
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| 212 |   /* Device <-> logical coords conversion */
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| 213 | 
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| 214 | /* A floating point version of the POINT structure */
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| 215 | typedef struct tagFLOAT_POINT
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| 216 | {
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| 217 |    FLOAT x, y;
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| 218 | } FLOAT_POINT;
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| 219 | 
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| 220 | 
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| 221 | #define XDPTOLP(dc,x) \
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| 222 |     (((x)-(dc)->vportOrgX) * (dc)->wndExtX / (dc)->vportExtX+(dc)->wndOrgX)
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| 223 | #define YDPTOLP(dc,y) \
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| 224 |     (((y)-(dc)->vportOrgY) * (dc)->wndExtY / (dc)->vportExtY+(dc)->wndOrgY)
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| 225 | #define XLPTODP(dc,x) \
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| 226 |     (((x)-(dc)->wndOrgX) * (dc)->vportExtX / (dc)->wndExtX+(dc)->vportOrgX)
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| 227 | #define YLPTODP(dc,y) \
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| 228 |     (((y)-(dc)->wndOrgY) * (dc)->vportExtY / (dc)->wndExtY+(dc)->vportOrgY)
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| 229 | 
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| 230 |   /* Device <-> logical size conversion */
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| 231 | 
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| 232 | #define XDSTOLS(dc,x) \
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| 233 |     ((x) * (dc)->wndExtX / (dc)->vportExtX)
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| 234 | #define YDSTOLS(dc,y) \
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| 235 |     ((y) * (dc)->wndExtY / (dc)->vportExtY)
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| 236 | #define XLSTODS(dc,x) \
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| 237 |     ((x) * (dc)->vportExtX / (dc)->wndExtX)
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| 238 | #define YLSTODS(dc,y) \
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| 239 |     ((y) * (dc)->vportExtY / (dc)->wndExtY)
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| 240 | 
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| 241 |   /* GDI local heap */
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| 242 | 
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| 243 | extern WORD GDI_HeapSel;
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| 244 | 
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| 245 | #define GDI_HEAP_ALLOC(size) \
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| 246 |             LOCAL_Alloc( GDI_HeapSel, LMEM_FIXED, (size) )
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| 247 | #define GDI_HEAP_ALLOC_MOVEABLE(size) \
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| 248 |             LOCAL_Alloc( GDI_HeapSel, LMEM_MOVEABLE, (size) )
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| 249 | #define GDI_HEAP_REALLOC(handle,size) \
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| 250 |             LOCAL_ReAlloc( GDI_HeapSel, (handle), (size), LMEM_FIXED )
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| 251 | #define GDI_HEAP_FREE(handle) \
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| 252 |             LOCAL_Free( GDI_HeapSel, (handle) )
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| 253 | 
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| 254 | #define GDI_HEAP_LOCK(handle) \
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| 255 |             LOCAL_Lock( GDI_HeapSel, (handle) )
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| 256 | #define GDI_HEAP_LOCK_SEGPTR(handle) \
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| 257 |             LOCAL_LockSegptr( GDI_HeapSel, (handle) )
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| 258 | #define GDI_HEAP_UNLOCK(handle) \
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| 259 |     ((((HGDIOBJ16)(handle) >= FIRST_STOCK_HANDLE) && \
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| 260 |       ((HGDIOBJ16)(handle)<=LAST_STOCK_HANDLE)) ? \
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| 261 |       0 : LOCAL_Unlock( GDI_HeapSel, (handle) ))
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| 262 | 
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| 263 | extern GDIOBJHDR * GDI_GetObjPtr( HGDIOBJ16, WORD );
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| 264 | 
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| 265 | VOID   GDI_ReleaseObj(HANDLE hObject);
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| 266 | BOOL   GDI_FreeObject(HANDLE hObject, LPVOID lpObjectData);
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| 267 | LPVOID GDI_AllocObject( int size, DWORD ulType, HANDLE *phObject );
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| 268 | 
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| 269 | #endif  /* __WINE_GDI_H */
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