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1.1 root 1: #include "jigsaw.h"
2:
3: /*-------------------------- general definitions -----------------------------*/
4:
5: HAB habMain = NULL; /* main thread anchor block handle */
6: HMQ hmqMain = NULL; /* main thread queue handle */
7: HWND hwndFrame = NULL; /* frame control handle */
8: HWND hwndStatus = NULL; /* status dialog handle */
9: HWND hwndClient = NULL; /* client area handle */
10: HWND hwndZoomScrollBar= NULL; /* zoom scroll bar handle */
11: HWND hwndMenu = NULL; /* Menu handle */
12: HWND hwndStatusOption = NULL; /* status menu handle */
13: HDC hdcClient = NULL; /* window dc handle */
14: HPS hpsClient = NULL; /* client area Gpi ps handle */
15: SIZEL sizlMaxClient; /* max client area size */
16: HPS hpsPaint = NULL; /* ps for use in Main Thread */
17: HRGN hrgnInvalid = NULL; /* handle to the invalid region */
18:
19: HAB habAsync = NULL; /* async thread anchor block handle */
20: HMQ hmqAsync = NULL; /* async thread queue handle */
21: TID tidAsync; /* async thread id */
22: SEL selStack; /* async thread stack selector */
23: SHORT sPrty = -1; /* async thread priority */
24:
25: HWND hwndHorzScroll = NULL; /* horizontal scroll bar window */
26: HWND hwndVertScroll = NULL; /* vertical scroll bar window */
27:
28: POINTS ptsScrollPos,
29: ptsOldScrollPos;
30: POINTS ptsScrollMax,
31: ptsHalfScrollMax;
32: POINTS ptsScrollLine;
33: POINTS ptsScrollPage;
34:
35: MATRIXLF matlfIdentity = { UNITY, 0, 0, 0, UNITY, 0, 0, 0, 1 };
36: LONG lScale; /* current zoom level */
37: POINTL ptlScaleRef; /* scalefactor, detects size change */
38:
39: POINTL ptlOffset;
40: POINTL ptlBotLeft = { 0, 0};
41: POINTL ptlTopRight = { 3000, 3000};
42: POINTL ptlMoveStart; /* model space point at start of move */
43: LONG lLastSegId; /* last segment id assigned to a piece */
44: LONG lPickedSeg = 0L; /* seg id of piece selected for drag */
45: POINTL ptlOffStart; /* segment xform xlate at move start */
46: RECTL rclBounds; /* pict bounding box in model coords. */
47: POINTL ptlOldMouse = {0L, 0L}; /* current mouse posn */
48: POINTL ptlMouse = {0L, 0L}; /* current mouse posn */
49: BOOL fButtonDownMain = FALSE; /* only drag if mouse down */
50: BOOL fButtonDownAsync = FALSE; /* only drag if mouse down */
51:
52: POINTL ptlUpdtRef;
53: POINTL aptlUpdt[3];
54: BOOL fUpdtFirst;
55: BOOL fFirstLoad = TRUE;
56:
57: /*-------------------------- segment list ------------------------------------*/
58:
59: PSEGLIST pslHead = NULL; /* head of the list */
60: PSEGLIST pslTail = NULL; /* tail of the list */
61: PSEGLIST pslPicked = NULL; /* picked segment's list member */
62:
63: /*-------------------------- bitmap-related data -----------------------------*/
64:
65: LOADINFO li;
66: PLOADINFO pli = &li;
67:
68: HPS hpsBitmapFile = NULL; /* bitmap straight from the
69: file */
70: HDC hdcBitmapFile = NULL;
71: HBITMAP hbmBitmapFile = NULL;
72:
73: BITMAPINFOHEADER2 bmp2BitmapFile;
74: PBITMAPINFOHEADER2 pbmp2BitmapFile = &bmp2BitmapFile;
75: BITMAPINFOHEADER2 bmp2BitmapFileRef;
76: PBITMAPINFOHEADER2 pbmp2BitmapFileRef = &bmp2BitmapFileRef;
77:
78: HPS hpsBitmapSize = NULL; /* bitmap sized to the current
79: size */
80: HDC hdcBitmapSize = NULL;
81: HBITMAP hbmBitmapSize = NULL;
82:
83: HPS hpsBitmapBuff = NULL; /* image composed here, copied to
84: scrn */
85: HDC hdcBitmapBuff = NULL;
86: HBITMAP hbmBitmapBuff = NULL;
87:
88: HPS hpsBitmapSave = NULL; /* save part of screen during
89: dragging */
90: HDC hdcBitmapSave = NULL;
91: HBITMAP hbmBitmapSave = NULL;
92:
93: BITMAPINFOHEADER2 bmp2BitmapSave;
94: PBITMAPINFOHEADER2 pbmp2BitmapSave = &bmp2BitmapSave;
95:
96: DEVOPENSTRUC dop = { NULL
97: , "DISPLAY"
98: , NULL
99: , NULL
100: , NULL
101: , NULL
102: , NULL
103: , NULL
104: , NULL };
105:
106:
107: /*--------------------------- Miscellaneous ----------------------------------*/
108:
109:
110: HMTX hmtxSzFmt;
111:
112: CHAR szFmt[50]; /* buffer used by sprintf() */
113: CHAR szZoomFact[10];
114:
115: HEV hevTerminate;
116: HEV hevDrawOn;
117: HEV hevMouse;
118: HEV hevLoadMsg;
119: HEV hevKillDraw;
120:
121: PSZ pszStartupMsg = "Welcome to Jigsaw";
122: PSZ pszLoadMsg = "Patience, preparing puzzle pieces ...";
123: PSZ pszError = "Error reading file.";
124: PSZ pszBlankMsg = "";
125:
126: SWCNTRL swctl = { 0, 0, 0, 0, 0, SWL_VISIBLE, SWL_JUMPABLE, NULL, 0 };
127: HSWITCH hsw; /* handle to a switch list entry */
128: char szTitle[80]; /* Title bar text */
129:
130: BOOL fErrMem = FALSE; /* set if alloc async stack fails */
131:
132: LONG lByteAlignX, lByteAlignY; /* memory alignment constants */
133:
134:
135:
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