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Microsoft OS/2 SDK PM 02-24-1989
/**********************************************************************\
* General include for LineFractal application
*
* Created by Microsoft Corporation, 1989
*
\**********************************************************************/
/*
Type definition
*/
typedef double far * PDBL;
/*
Resource Ids for Linefractal application
*/
/* resources loaded via WinCreateStdWindow */
#define IDR_LINEFRACTAL 0x01
/* pointers */
#define IDR_TRACKINGPTR 0x10
#define IDR_PASTINGPTR 0x11
#define IDR_KOCH0 0x12
#define IDR_KOCH1 0x13
#define IDR_KOCH2 0x14
#define IDR_KOCH3 0x15
/* dialog boxes */
#define IDR_ABOUTDLG 0x20
#define IDR_TIMERDELAYDLG 0x21
#define IDR_BITMAPPARAMSDLG 0x22
#define IDR_SWITCHDELAYDLG 0x23
#define IDR_LINEATTRSDLG 0x24
#define IDR_MARKERATTRSDLG 0x25
#define IDR_AREAATTRSDLG 0x26
#define IDR_IMAGEATTRSDLG 0x27
#define IDR_MISCATTRSDLG 0x28
#define IDR_DIMENSIONSDLG 0x29
#define IDR_PTRPREFERENCESDLG 0x2A
/**********************************************************************\
* IDD_ - ID for Dialog item
* IDM_ - ID for Menu commands
* IDS - ID for String table
* IDT - ID for Timers
\**********************************************************************/
/* common dialog box control values */
#define ID_NULL -1
#define IDD_OK -2
#define IDD_CANCEL -3
/* redraw timer delay */
#define IDD_MINDELAY 0x001
#define IDD_MAXDELAY 0x002
/* bitmap parameters */
#define IDD_BMCX 0x010
#define IDD_BMCY 0x011
#define IDD_BMPLANES 0x012
#define IDD_BMBPP 0x013
/* thread-switch timer delay */
#define IDD_SWITCHDELAY 0x020
/* line attributes */
#define IDD_LINECOLOR 0x030
#define IDD_LINEMIX 0x031
#define IDD_LINEWIDTH 0x032
#define IDD_LINEGEOMWIDTH 0x033
#define IDD_LINETYPE 0x034
#define IDD_LINEEND 0x035
#define IDD_LINEJOIN 0x036
/* marker attributes */
#define IDD_MARKCOLOR 0x040
#define IDD_MARKBACKCOLOR 0x041
#define IDD_MARKMIX 0x042
#define IDD_MARKBACKMIX 0x043
#define IDD_MARKSET 0x044
#define IDD_MARKSYMBOL 0x045
#define IDD_MARKCELLWIDTH 0x046
#define IDD_MARKCELLHEIGHT 0x047
/* area attributes */
#define IDD_AREACOLOR 0x050
#define IDD_AREABACKCOLOR 0x051
#define IDD_AREAMIX 0x052
#define IDD_AREABACKMIX 0x053
#define IDD_AREASET 0x054
#define IDD_AREASYMBOL 0x055
#define IDD_AREAREFX 0x056
#define IDD_AREAREFY 0x057
/* image attributes */
#define IDD_IMAGECOLOR 0x060
#define IDD_IMAGEBACKCOLOR 0x061
#define IDD_IMAGEMIX 0x062
#define IDD_IMAGEBACKMIX 0x063
/* miscellaneous fractal attributes */
#define IDD_RECURSION 0x070
#define IDD_CPTMAX 0x071
#define IDD_NUMSIDES 0x072
#define IDD_ROTATION 0x073
/* fractal dimensions */
#define IDD_XOFF 0x080
#define IDD_YOFF 0x081
#define IDD_XSCALE 0x082
#define IDD_YSCALE 0x083
/* pointer preferences */
#define IDD_PTRTHRESHOLD 0x090
#define IDD_USERPTR0 0x091
#define IDD_USERPTR1 0x092
#define IDD_USERPTR2 0x093
#define IDD_USERPTR3 0x094
/* menus */
#define IDM_FILE 0x100
#define IDM_LOAD 0x101
#define IDM_SAVE 0x102
#define IDM_ABOUT 0x103
#define IDM_EDIT 0x200
#define IDM_SELECT 0x201
#define IDM_SELECTALL 0x202
#define IDM_CUT 0x203
#define IDM_COPY 0x204
#define IDM_PASTE 0x205
#define IDM_USECLIPBRD 0x206
#define IDM_PASTES 0x207
#define IDM_PASTEDSA 0x208
#define IDM_PASTEDSO 0x209
#define IDM_PASTEDSX 0x20A
#define IDM_PASTESN 0x20B
#define IDM_PASTEDSAN 0x20C
#define IDM_PASTEDSON 0x20D
#define IDM_PASTEDSXN 0x20E
#define IDM_THREAD 0x300
#define IDM_NEWTHREAD 0x310
#define IDM_DCDIRECT 0x311
#define IDM_DCMEMORY 0x312
#define IDM_DCPOSTSCRIPT 0x313
#define IDM_DCPROPRINTER 0x314
#define IDM_THREADTOTOP 0x320
#define IDM_THR0TOTOP 0x321
#define IDM_THR1TOTOP 0x322
#define IDM_THR2TOTOP 0x323
#define IDM_THR3TOTOP 0x324
#define IDM_THR4TOTOP 0x325
#define IDM_THR5TOTOP 0x326
#define IDM_THR6TOTOP 0x327
#define IDM_THR7TOTOP 0x328
#define IDM_THR8TOTOP 0x329
#define IDM_THR9TOTOP 0x32A
#define IDM_EDITTHREADPARAMS 0x330
#define IDM_KILLTOPTHREAD 0x340
#define IDM_KILLALLTHREADS 0x350
#define IDM_AUTOSWITCH 0x360
#define IDM_SWITCHDELAY 0x370
#define IDM_UPDATEMENUS 0x380
#define IDM_THREADINHERITANCE 0x390
#define IDM_CONTROL 0x400
#define IDM_REDRAW 0x401
#define IDM_ABORT 0x402
#define IDM_CLEARBITMAP 0x403
#define IDM_COPYBITMAPTOSCREEN 0x404
#define IDM_SQUAREBITMAP 0x405
#define IDM_RESIZEBITMAPTOWINDOW 0x406
#define IDM_MOUSECHANGESRECURSION 0x407
#define IDM_ANIMATEPTR 0x408
#define IDM_PTRPREFERENCES 0x409
#define IDM_TIMERDELAY 0x40A
#define IDM_FRACTAL 0x500
#define IDM_FRACREDRAW 0x501
#define IDM_SHARKTOOTH 0x502
#define IDM_SAWTOOTH 0x503
#define IDM_KOCH 0x504
#define IDM_SPACEFILLER 0x505
#define IDM_STOVE 0x506
#define IDM_SQUAREWAVE 0x507
#define IDM_HOURGLASS 0x508
#define IDM_PRIMITIVE 0x600
#define IDM_PRIMREDRAW 0x601
#define IDM_POLYLINE 0x602
#define IDM_POLYFILLET 0x603
#define IDM_POLYSPLINE 0x604
#define IDM_POLYMARKER 0x605
#define IDM_PEANO 0x606
#define IDM_ATTRIBUTES 0x700
#define IDM_ATTRREDRAW 0x701
#define IDM_LINEATTRS 0x702
#define IDM_MARKERATTRS 0x703
#define IDM_AREAATTRS 0x704
#define IDM_IMAGEATTRS 0x705
#define IDM_MISCATTRS 0x706
#define IDM_DIMENSIONS 0x707
#define IDM_DRAGDIMS 0x708
#define IDM_ENVIRONMENT 0x800
#define IDM_AUTORESIZE 0x801
#define IDM_AUTOSELECTDIMS 0x802
#define IDM_CLEARONREDRAW 0x803
#define IDM_AUTOSTARTREDRAW 0x804
#define IDM_COLLECTBOUNDS 0x805
#define IDS_TITLE 1
#define IDT_AUTOSTARTREDRAW 1
#define IDT_AUTOSWITCH 2
/************************************************************************
*
* Constants
*
* Miscellaneous constants.
*
************************************************************************/
#define CCHSTR 12 /* work buffer size for MyGetWindowLong, etc */
#define MAX_POINT_COUNT 0x10000/sizeof(POINTL) /* number of points buffered up */
#define PI 3.1415926 /* useful in computing angles */
#define TWO_PI (2 * PI) /* ditto */
#define EOLIST 0 /* End-of-list marker for xform */
#define NUM_PTR_SHAPES 4
/************************************************************************
*
* Aspect ratio structure.
*
************************************************************************/
typedef struct _aspect
{
LONG lHorz;
LONG lVert;
} ASPECT;
/************************************************************************
*
* Line fractal transform structure.
*
* The structure LINEFRAC defines a transform for a single line
* segment within a linefractal similarity transform. A proper
* similarity transform would be a collection of segment transforms in
* the form of a linked list.
*
* next link to the next line segment
* angle relative angle in radians, positive being
* counterclockwise
* length relative length of a segment, as percentage of
* length segment on which transform was defined
* flip orientation of transform at a segment
* FALSE ==> rotate transform by angle[]
* TRUE ==> rotate transform by -angle[]
* (i.e. flip it)
*
************************************************************************/
typedef struct _linefrac
{
struct _linefrac *next;
double angle;
double length;
BOOL flip;
} LINEFRAC;
typedef LINEFRAC *PLINEFRAC;
/************************************************************************
*
* Transform-defaults structure.
*
************************************************************************/
typedef struct
{
PLINEFRAC pXform;
double xOff;
double yOff;
double xScale;
double yScale;
USHORT usSides;
} XFORMDATA;
/************************************************************************
*
* Private bitmap info header. This is to avoid having the extra
* cbFix space taken up in the per-thread data structure. I use this
* only to store the data that will go into the real BITMAPINFOHEADER
* structure later.
*
************************************************************************/
typedef struct
{
USHORT cx;
USHORT cy;
USHORT cPlanes;
USHORT cBitCount;
} MYBMINFO;
#ifdef INCL_GLOBALS
#define INCL_THREADS
#endif
#ifdef INCL_THREADS
/************************************************************************
*
* Per-thread overhead structure.
*
************************************************************************/
typedef struct _threadoh
{
/* environment preferences */
BOOL fAutoSizePS; /* PS resized on various events */
BOOL fAutoSelectDims; /* scale and offset from fractal defaults */
BOOL fClearOnRedraw; /* clear surface at start of redraw */
BOOL fAutoStartRedraw;/* random automatic redraw enabled */
BOOL fCollectBounds; /* collect bounds on primitives */
BOOL fFracRedraw; /* redraw if fractal similarity xform changes */
BOOL fPrimRedraw; /* redraw if primitive changes */
BOOL fAttrRedraw; /* redraw if any attributes change */
/* fractal attributes */
LINEBUNDLE lb;
ULONG flLineAttrs;
#define LFA_LINECOLOR LBB_COLOR
#define LFA_LINEMIX LBB_MIX_MODE
#define LFA_LINEWIDTH LBB_WIDTH
#define LFA_LINEGEOMWIDTH LBB_GEOM_WIDTH
#define LFA_LINETYPE LBB_TYPE
#define LFA_LINEEND LBB_END
#define LFA_LINEJOIN LBB_JOIN
#define LFA_LINEALL (LBB_COLOR|LBB_MIX_MODE|LBB_WIDTH|LBB_GEOM_WIDTH|\
LBB_TYPE|LBB_END|LBB_JOIN)
MARKERBUNDLE mb;
ULONG flMarkerAttrs;
#define LFA_MARKCOLOR MBB_COLOR
#define LFA_MARKBACKCOLOR MBB_BACK_COLOR
#define LFA_MARKMIX MBB_MIX_MODE
#define LFA_MARKBACKMIX MBB_BACK_MIX_MODE
#define LFA_MARKSET MBB_SET
#define LFA_MARKSYMBOL MBB_SYMBOL
#define LFA_MARKCELLWIDTH MBB_BOX /* part of sizfxCell field */
#define LFA_MARKCELLHEIGHT MBB_BOX /* part of sizfxCell field */
#define LFA_MARKALL (MBB_COLOR|MBB_BACK_COLOR|MBB_MIX_MODE|MBB_BACK_MIX_MODE|\
MBB_SET|MBB_SYMBOL|MBB_BOX)
AREABUNDLE ab;
ULONG flAreaAttrs;
#define LFA_AREACOLOR ABB_COLOR
#define LFA_AREABACKCOLOR ABB_BACK_COLOR
#define LFA_AREAMIX ABB_MIX_MODE
#define LFA_AREABACKMIX ABB_BACK_MIX_MODE
#define LFA_AREASET ABB_SET
#define LFA_AREASYMBOL ABB_SYMBOL
#define LFA_AREAREFX ABB_REF_POINT /* part of ptlRefPoint field */
#define LFA_AREAREFY ABB_REF_POINT /* part of ptlRefPoint field */
#define LFA_AREAALL (ABB_COLOR|ABB_BACK_COLOR|ABB_MIX_MODE|ABB_BACK_MIX_MODE|\
ABB_SET|ABB_SYMBOL|ABB_REF_POINT)
IMAGEBUNDLE ib;
ULONG flImageAttrs;
#define LFA_IMAGECOLOR IBB_COLOR
#define LFA_IMAGEBACKCOLOR IBB_BACK_COLOR
#define LFA_IMAGEMIX IBB_MIX_MODE
#define LFA_IMAGEBACKMIX IBB_BACK_MIX_MODE
#define LFA_IMAGEALL (IBB_COLOR|IBB_BACK_COLOR|IBB_MIX_MODE|IBB_BACK_MIX_MODE)
/* miscellaneous other attributes */
USHORT usCurPrim; /* primitive to draw with */
USHORT usCurXform; /* fractal to draw with */
USHORT usRecursion; /* level of recursion at which to draw */
USHORT cptMax; /* max batch size for point buffer */
USHORT usPolygonSides; /* number of sides on polygonal frame */
double dblRotation; /* rotation in radians of image */
double dblXOff; /* offset expressed as percentage of surface extents */
double dblYOff;
double dblXScale; /* scale expressed as percentage of surface extents */
double dblYScale;
ULONG cxWCS; /* dimensions of drawing in world space */
ULONG cyWCS;
ULONG flMiscAttrs;
#define LFA_CURPRIM 0x0001L
#define LFA_CURXFORM 0x0002L
#define LFA_RECURSION 0x0004L
#define LFA_POLYGONSIDES 0x0008L
#define LFA_CPTMAX 0x0010L
#define LFA_XOFF 0x0020L
#define LFA_YOFF 0x0040L
#define LFA_XSCALE 0x0080L
#define LFA_YSCALE 0x0100L
#define LFA_ROTATION 0x0200L
#define LFA_CXWCS 0x0400L
#define LFA_CYWCS 0x0800L
#define LFA_MISCALL 0x0FFFL
/* fixed per-thread overhead */
USHORT dcType; /* code identifying type of DC */
RECTL rcl; /* surface dimensions as a rectangle */
USHORT cPlanes; /* if bitmap, number of color planes */
USHORT cBitCount; /* if bitmap, number of color bits per pel */
ASPECT AspectRatio; /* DC's aspect ratio */
/********************************************************************
*
* Per-process per-thread overhead.
*
* Data after this point should not be saved
* as part of a fractal context.
*
********************************************************************/
TID tid; /* thread id */
SEL selStack; /* thread stack selector */
HDC hdc;
HBITMAP hbm;
HPS hps;
LONG lSemRedraw; /* redraw semaphore */
BOOL fInterrupted; /* fractal suicide flag recognized in recursion */
BOOL fTimeToDie; /* thread suicide flag */
BOOL fUpdateAttrs; /* TRUE --> new attributes since redraw */
BOOL fBusy; /* TRUE --> not waiting on semaphore */
PPOINTL pptl; /* fractal point buffer */
ULONG cptl; /* number of points in buffer */
RECTL rclBounds; /* bounds of last primitive drawn */
double x; /* current position */
double y;
PMATRIXLF pmatlf; /* --> matrices for each side of ngon */
} THR;
typedef THR *PTHR;
#endif
#ifdef INCL_GLOBALS
/************************************************************************
*
* Global data structure. This makes it easier to save the state of
* the program to a file.
*
************************************************************************/
#define MAX_THREADS 10
typedef struct _globaldata
{
/********************************************************************
*
* LineFrac session data.
*
* The following can be saved to a file to record the user's
* session.
*
********************************************************************/
BOOL fAutoSwitch; /* TRUE --> automatically cycle through threads */
BOOL fUpdateMenusOnThreadSwitch;/* TRUE --> per-thread menu items not updated during animation */
BOOL fThreadInheritance; /* TRUE --> new threads are copies of top one */
USHORT usSwitchDelay; /* delay between automatic thread switches */
USHORT usMinTimerDelay; /* lower limit of random redraw delay */
USHORT usMaxTimerDelay; /* upper limit of random redraw delay */
BOOL fMouseChangesRecursion; /* TRUE --> mouse clicks change recursion */
BOOL fAnimatePtr; /* TRUE --> pointer changes with mouse movements */
USHORT usUserPtr; /* pointer to use when not animated */
USHORT usPtrThreshold; /* relates to speed of pointer animation */
USHORT usRopIndex; /* index into paste rop table */
BOOL fUseClipbrd; /* TRUE --> edit operations use system clipboard */
/* FALSE --> ... use private bitmaps */
RECTL rcl; /* window dimensions */
USHORT cThr; /* number of threads */
USHORT iThrTop; /* top thread */
/********************************************************************
*
* Per-process global data.
*
* Data after this point should not be saved
* as part of a linefrac session.
*
********************************************************************/
/* attributes: user's input is put here; thread picks it up when
* told to redraw.
*/
BOOL fUpdateAttrs; /* TRUE --> no thread has read attrs yet */
LINEBUNDLE lb;
ULONG flLineAttrs;
MARKERBUNDLE mb;
ULONG flMarkerAttrs;
AREABUNDLE ab;
ULONG flAreaAttrs;
IMAGEBUNDLE ib;
ULONG flImageAttrs;
USHORT usCurPrim; /* primitive to draw with */
USHORT usCurXform; /* fractal to draw with */
USHORT usRecursion; /* level of recursion at which to draw */
USHORT cptMax; /* max batch size for point buffer */
USHORT usPolygonSides; /* number of sides on polygonal frame */
double dblRotation; /* rotation in radians of image */
double dblXOff; /* offset expressed as percentage of surface extents */
double dblYOff;
double dblXScale; /* scale expressed as percentage of surface extents */
double dblYScale;
ULONG cxWCS; /* dimensions of drawing in world space */
ULONG cyWCS;
ULONG flMiscAttrs;
HAB hab;
HMQ hMsgQ;
HWND hwnd;
HWND hwndFrame;
HPOINTER hptr[NUM_PTR_SHAPES]; /* array of pointer shapes to animate */
HPOINTER hptrTrack; /* pointer used when dragging a new rect */
HPOINTER hptrPaste; /* pointer used when dragging paste rect */
HPOINTER hptrWait; /* hourglass pointer for when top thread is busy */
USHORT usPtrIncr; /* +1 or -1, so pointer doesn't wrap in array */
USHORT usPtrCounter; /* counts WM_MOUSEMOVE messages */
USHORT usCurPtr; /* index into pointer array of current one */
BOOL fFirstThread; /* TRUE --> no threads initialized yet */
BOOL fTimerOn; /* TRUE --> auto redraw timer is on */
HDC CutCopyDC; /* DC for cut/copy private bit storage */
HPS CutCopyPS; /* PS for cut/copy private bit storage */
HBITMAP CutCopyBM; /* BM for cut/copy private bit storage */
RECTL rclSelect; /* most recently dragged selection rect */
RECTL rclCutCopy; /* most recent cut/copy rect */
ULONG ulPasteROP; /* BitBlt ROP to use when pasting */
BOOL fHaveCutCopyDC; /* TRUE --> cut/copy DC exists */
BOOL fTracking; /* TRUE --> dragging dimensions */
BOOL fSelecting; /* TRUE --> dragging cut/copy rect */
BOOL fPasting; /* TRUE --> dragging paste rect */
BOOL fTempSelect; /* TRUE --> selection rect just dragged */
BOOL fShowSelectRc; /* TRUE --> display selection rect */
BOOL fHaveSelectRc; /* TRUE --> have valid selection rect */
MYBMINFO bm; /* scratch space for various bitmap functions */
PTHR pThrTop; /* top thread */
PTHR aThr[MAX_THREADS];/* array of threads */
} GLOBALDATA;
#endif
/************************************************************************
*
* Handy macros to eliminate some typing.
*
************************************************************************/
#define TOGGLE_BOOL(x) ((x)=(!(x)))
#ifdef INCL_WINDIALOGS
#define SET_CHECK_BOX(x, y, z) \
WinSendDlgItemMsg((x),(y),BM_SETCHECK, \
MPFROM2SHORT((z),0),0L)
#define TOGGLE_MENU_ITEM(x, y, z) \
WinSendDlgItemMsg((x), FID_MENU, MM_SETITEMATTR, \
MPFROM2SHORT((y),TRUE), \
MPFROM2SHORT(MIA_CHECKED,(z)?MIA_CHECKED:NULL))
#define CHECK_MENU_ITEM(x, y) \
WinSendDlgItemMsg((x), FID_MENU, MM_SETITEMATTR, \
MPFROM2SHORT((y),TRUE), \
MPFROM2SHORT(MIA_CHECKED,MIA_CHECKED))
#define UNCHECK_MENU_ITEM(x, y) \
WinSendDlgItemMsg((x), FID_MENU, MM_SETITEMATTR, \
MPFROM2SHORT((y),TRUE), \
MPFROM2SHORT(MIA_CHECKED,NULL))
#define ENABLE_MENU_ITEM(x, y) \
WinSendDlgItemMsg((x), FID_MENU, MM_SETITEMATTR, \
MPFROM2SHORT((y),TRUE), \
MPFROM2SHORT(MIA_DISABLED,NULL))
#define DISABLE_MENU_ITEM(x, y) \
WinSendDlgItemMsg((x), FID_MENU, MM_SETITEMATTR, \
MPFROM2SHORT((y),TRUE), \
MPFROM2SHORT(MIA_DISABLED,MIA_DISABLED))
#endif
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