xwords/xwords4/wince/cedraw.c

/* -*-mode: C; fill-column: 78; c-basic-offset: 4;-*- */ 
/* 
 * Copyright 2000-2002 by Eric House (fixin@peak.org).  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 */
/* #include <stdlib.h> */
/* #include <stdio.h> */

#include <Windowsx.h>

#include <stdio.h>              /* for sprintf, etc. */

#include "xptypes.h"
#include "board.h"
#include "draw.h"
#include "mempool.h"

#include "cemain.h"
#include "cedict.h"
#include "cedefines.h"

static void ceClearToBkground( CEDrawCtx* dctx, XP_Rect* rect );
static void ceDrawBitmapInRect( HDC hdc, XP_U32 x, XP_U32 y, 
                                HBITMAP bitmap );


static void
XPRtoRECT( RECT* rt, XP_Rect* xprect )
{
    rt->left = xprect->left;
    rt->top = xprect->top;
    rt->right = rt->left + xprect->width;
    rt->bottom = rt->top + xprect->height;
} /* XPRtoRECT */

static void
makeAndDrawBitmap( CEDrawCtx* dctx, HDC hdc, XP_U32 x, XP_U32 y,
                   COLORREF foreRef, CEBitmapInfo* info )
{
#if 1
    POINT points[2];
    HGDIOBJ forePen;
    XP_U16 nCols, nRows, row, col, rowBytes;
    XP_UCHAR* bits = info->bits;
    HGDIOBJ oldObj;
    forePen = CreatePen( PS_SOLID, 1, foreRef );
    oldObj = SelectObject( hdc, forePen );

    nRows = info->nRows;
    nCols = info->nCols;
    rowBytes = (nCols + 7) / 8;
    while ( (rowBytes % 2) != 0 ) {
        ++rowBytes;
    }

    for ( row = 0; row < nRows; ++row ) {
        for ( col = 0; col < nCols; ++col ) {
            XP_UCHAR byt = bits[col / 8];
            XP_Bool set = (byt & (0x80 >> (col % 8))) != 0;
            if ( set ) {
                points[0].x = x + col;
                points[0].y = y + row;
                points[1].x = x + col + 1;
                points[1].y = y + row + 1;
                Polyline( hdc, points, 2 );
            }
        }
        bits += rowBytes;
    }

    SelectObject( hdc, oldObj );
    DeleteObject( forePen );
#else
    /* I can't get this to work.... */
    HBITMAP bm;
    bm = CreateBitmap( info->nCols, info->nRows, 1, 1,
                       info->bits );
    ceDrawBitmapInRect( hdc, rt->left+2, rt->top+2, bm );

    DeleteObject( bm );
#endif
} /* makeAndDrawBitmap */

#if 0
static void
drawBitmapAt( HDC hdc, CEBitmapInfo* bmp, RECT* rt )
{
    HDC tmpHDC;
    HBITMAP bitmap = bmp->bitmap;
    RECT r = *rt;
    HBRUSH brush;
    HBRUSH oldBrush;

    tmpHDC = CreateCompatibleDC( hdc );
    SelectObject( tmpHDC, bitmap );

    r.bottom = r.top + bmp->nRows;
    r.right = r.left + bmp->nCols;

    BitBlt

/*     brush = CreatePatternBrush( bitmap ); */
/*     oldBrush = SelectObject( hdc, brush ); */
    Rectangle( hdc, r.left, r.top, r.right, r.bottom );
/*     FillRect( hdc, &r, brush ); */
/*     SelectObject( hdc, oldBrush ); */
/*     DeleteObject( brush ); */
} /* drawBitmapAt */
#endif

static void
ce_draw_boardBegin( DrawCtx* p_dctx, XP_Rect* rect, XP_Bool hasfocus )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;

    dctx->prevBkColor = GetBkColor( hdc );
} /* draw_boardBegin */

static void
ce_draw_boardFinished( DrawCtx* p_dctx )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;

    SetBkColor( hdc, dctx->prevBkColor );
} /* draw_finished */

static XP_U16
getPlayerColor( XP_S16 player )
{
    if ( player < 0 ) {
        return BLACK_COLOR;
    } else {
        return USER_COLOR1 + player;
    }
} /* getPlayerColor */

static XP_Bool
ce_draw_drawCell( DrawCtx* p_dctx, XP_Rect* xprect, 
                  XP_UCHAR* letters, XP_Bitmap* bitmap, 
                  XP_S16 owner, XWBonusType bonus,
                  XP_Bool isBlank, XP_Bool isPending, XP_Bool isStar )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    RECT rt;
    XP_U16 bkIndex;
    XP_UCHAR* cp = NULL;
    COLORREF foreIndex;

    XPRtoRECT( &rt, xprect );
    ++rt.bottom;
    ++rt.right;

    Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );
    InsetRect( &rt, 1, 1 );

    if ( isPending ) {
        foreIndex = dctx->colors[WHITE_COLOR];
        bkIndex = BLACK_COLOR;
    } else {
        foreIndex = dctx->colors[getPlayerColor(owner)];
        if ( bonus == BONUS_NONE ) {
            bkIndex = BKG_COLOR;
        } else {
            bkIndex = bonus+BONUS1_COLOR;
        }
    }
    FillRect( hdc, &rt, dctx->brushes[bkIndex] );
    SetBkColor( hdc, dctx->colors[bkIndex] );

    if ( !!letters && (letters[0] != '\0') ) {
        cp = letters;
    } else if ( !!bitmap ) {
        /* it's already NULL */
    }

    if ( !!cp ) {
        wchar_t widebuf[4];

        XP_MEMSET( widebuf, 0, sizeof(widebuf) );
    
        MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, cp, -1,
                             widebuf, sizeof(widebuf)/sizeof(widebuf[0]) );
	
        SetTextColor( hdc, foreIndex );
        DrawText( hdc, widebuf, -1, &rt, 
                  DT_SINGLELINE | DT_VCENTER | DT_CENTER);
    } else if ( !!bitmap ) {
        makeAndDrawBitmap( dctx, hdc, rt.left + 2, rt.top + 3, foreIndex,
                           (CEBitmapInfo*)bitmap );
/*         CEBitmapInfo* info = (CEBitmapInfo*)bitmap; */
/*         HBITMAP bm = CreateBitmap( info->nCols, info->nRows, 1, 1, info->bits ); */
/*         ceDrawBitmapInRect( hdc, rt.left+2, rt.top+2, bm ); */
/*         DeleteObject( bm ); */
    } else if ( isStar ) {
        ceDrawBitmapInRect( hdc, rt.left, rt.top, dctx->origin );
    }

    return XP_TRUE;
} /* ce_draw_drawCell */

static void
ce_draw_invertCell( DrawCtx* p_dctx, XP_Rect* rect )
{
} /* ce_draw_invertCell */

static void
ce_draw_trayBegin( DrawCtx* p_dctx, XP_Rect* rect, XP_U16 owner,
                   XP_Bool hasfocus )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    dctx->trayOwner = owner;
} /* ce_draw_trayBegin */

static void
ce_draw_trayFinished( DrawCtx* p_dctx )
{
    /*     ce_draw_boardFinished( p_dctx ); */
} /* ce_draw_trayFinished */

static void
drawDrawTileGuts( DrawCtx* p_dctx, XP_Rect* xprect, XP_UCHAR* letters,
                  XP_Bitmap* bitmap, XP_S16 val, XP_Bool highlighted )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t widebuf[4];
    RECT rt;

    ceClearToBkground( dctx, xprect );

    XPRtoRECT( &rt, xprect );

    InsetRect( &rt, 1, 1 );
    Rectangle(hdc, rt.left, rt.top, rt.right, rt.bottom);
    InsetRect( &rt, 1, 1 );

    FillRect( hdc, &rt, dctx->brushes[TILEBACK_COLOR] );
    SetBkColor( hdc, dctx->colors[TILEBACK_COLOR] );
    SetTextColor( hdc, dctx->colors[getPlayerColor(dctx->trayOwner)] );

    if ( highlighted ) {
        Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );
    }
    InsetRect( &rt, 1, 1 );

    if ( !!letters ) {
        HFONT oldFont = SelectObject( hdc, dctx->trayFont );
        MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, letters, -1,
                             widebuf, sizeof(widebuf)/sizeof(widebuf[0]) );
        DrawText( hdc, widebuf, -1, &rt, DT_SINGLELINE | DT_TOP | DT_LEFT );
        SelectObject( hdc, oldFont );
    } else if ( !!bitmap  ) {
        makeAndDrawBitmap( dctx, hdc, rt.left + 1, rt.top + 4, 
                           dctx->colors[USER_COLOR1+dctx->trayOwner],
                           (CEBitmapInfo*)bitmap );
/*         CEBitmapInfo* info = (CEBitmapInfo*)bitmap; */
/*         HBITMAP bm = CreateBitmap( info->nCols, info->nRows, 1, 1, info->bits ); */
/*         ceDrawBitmapInRect( hdc, rt.left+2, rt.top+2, bm ); */
/*         DeleteObject( bm ); */
/*         ceDrawBitmapInRect( hdc, rt.left+2, rt.top+2, (HBITMAP)bitmap ); */
    }

    if ( val >= 0 ) {
        swprintf( widebuf, L"%d", val );
        DrawText(hdc, widebuf, -1, &rt, DT_SINGLELINE | DT_BOTTOM | DT_RIGHT);	
    }
} /* drawDrawTileGuts */

static void
ce_draw_drawTile( DrawCtx* p_dctx, XP_Rect* xprect, XP_UCHAR* letters,
                  XP_Bitmap* bitmap, XP_S16 val, XP_Bool highlighted )
{
    drawDrawTileGuts( p_dctx, xprect, letters, bitmap, val, highlighted );
} /* ce_draw_drawTile */

static void
ce_draw_drawTileBack( DrawCtx* p_dctx, XP_Rect* xprect )
{
    drawDrawTileGuts( p_dctx, xprect, "?", NULL, -1, XP_FALSE );
} /* ce_draw_drawTileBack */

static void
ce_draw_drawTrayDivider( DrawCtx* p_dctx, XP_Rect* rect, XP_Bool selected )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    RECT rt;

    XPRtoRECT( &rt, rect );
    if ( selected ) {
        Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );
    } else {
        FillRect( hdc, &rt, dctx->brushes[BLACK_COLOR] );
    }
} /* ce_draw_drawTrayDivider */

static void
ceClearToBkground( CEDrawCtx* dctx, XP_Rect* rect )
{
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    RECT rt;

    XPRtoRECT( &rt, rect );

    FillRect( hdc, &rt, dctx->brushes[BKG_COLOR] );
} /* ceClearToBkground */

static void 
ce_draw_clearRect( DrawCtx* p_dctx, XP_Rect* rectP )
{
    ceClearToBkground( (CEDrawCtx*)p_dctx, rectP );
} /* ce_draw_clearRect */

static void
ceDrawBitmapInRect( HDC hdc, XP_U32 x, XP_U32 y, HBITMAP bitmap )
{
    BITMAP bmp;
    HDC tmpDC;
    int nBytes;

    tmpDC = CreateCompatibleDC( hdc );
    SelectObject( tmpDC, bitmap );

    nBytes = GetObject( bitmap, sizeof(bmp), &bmp );
    XP_ASSERT( nBytes > 0 );

    BitBlt( hdc, x, y, bmp.bmWidth, bmp.bmHeight, 
            tmpDC, 0, 0, SRCCOPY );	/* BLACKNESS */

    DeleteDC( tmpDC );
} /* ceDrawBitmapInRect */

static void
ce_draw_drawBoardArrow( DrawCtx* p_dctx, XP_Rect* xprect, 
                         XWBonusType cursorBonus, XP_Bool vertical )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t* txt = vertical? L"|":L"-";
    RECT rt;
    XP_U16 bkIndex;
    HBITMAP cursor;

    XPRtoRECT( &rt, xprect );
    ++rt.bottom;
    ++rt.right;

    Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );
    InsetRect( &rt, 1, 1 );

    if ( vertical ) {
        cursor = dctx->downArrow;
    } else {
        cursor = dctx->rightArrow;
    }

    if ( cursorBonus == BONUS_NONE ) {
        bkIndex = BKG_COLOR;
    } else {
        bkIndex = cursorBonus+BONUS1_COLOR;
    }
    FillRect( hdc, &rt, dctx->brushes[bkIndex] );
    SetBkColor( hdc, dctx->colors[bkIndex] );

    ceDrawBitmapInRect( hdc, rt.left+1, rt.top+1, cursor );

} /* ce_draw_drawBoardArrow */

static void
ce_draw_scoreBegin( DrawCtx* p_dctx, XP_Rect* rect, XP_U16 numPlayers,
                    XP_Bool hasfocus )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    SetBkColor( hdc, dctx->colors[BKG_COLOR] );

    ceClearToBkground( (CEDrawCtx*)p_dctx, rect );
} /* ce_draw_scoreBegin */

static void
formatRemText( HDC hdc, wchar_t* buf, XP_S16 nTilesLeft, SIZE* size )
{
    wchar_t* format = L"Rem:%d";

    if ( nTilesLeft <= 0 ) {
        buf[0] = 0;
        size->cx = size->cy = 0;
    } else {
        swprintf( buf, format, nTilesLeft );
        GetTextExtentPoint32( hdc, buf, wcslen(buf), size );
    }

} /* formatRemText */

static void
ce_draw_measureRemText( DrawCtx* p_dctx, XP_Rect* r, 
                        XP_S16 nTilesLeft, 
                        XP_U16* width, XP_U16* height )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t buf[16];
    SIZE size;

    formatRemText( hdc, buf, nTilesLeft, &size );

    *width = (XP_U16)size.cx;
    *height = (XP_U16)size.cy;
} /* ce_draw_measureRemText */

static XP_U16
ce_draw_drawRemText( DrawCtx* p_dctx, XP_Rect* rInner, XP_Rect* rOuter, 
                     XP_S16 nTilesLeft )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t buf[16];
    RECT rt;
    SIZE size;

    formatRemText( hdc, buf, nTilesLeft, &size );

    XPRtoRECT( &rt, rInner );
    DrawText( hdc, buf, -1, &rt, DT_SINGLELINE | DT_LEFT | DT_VCENTER);

    return (XP_U16)size.cx;
} /* ce_draw_drawRemText */

static void
ceWidthAndText( HDC hdc, wchar_t* buf, DrawScoreInfo* dsi,
                XP_U16* widthP, XP_U16* heightP )
{
    XP_UCHAR borders[] = {'<EFBFBD>', '\0'};
    XP_UCHAR tilesLeftTxt[8];
    XP_UCHAR tbuf[10];		/* *9999:7* is 8 chars */
    SIZE size;
    XP_U16 len;

    if ( !dsi->isTurn ) {
        borders[0] = '\0';
    }

    if ( dsi->nTilesLeft >= 0 ) {
        sprintf( tilesLeftTxt, ":%d", dsi->nTilesLeft );
    } else {
        tilesLeftTxt[0] = '\0';
    }
    sprintf( tbuf, "%s%d%s%s", borders, dsi->score, tilesLeftTxt, borders );

    len = MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, tbuf, -1,
                               buf, 10 );

    GetTextExtentPoint32( hdc, buf, len, &size );
    *widthP = (XP_U16)size.cx;
    *heightP = (XP_U16)size.cy;
} /* ceWidthAndText */

static void
ce_draw_measureScoreText( DrawCtx* p_dctx, XP_Rect* r, 
                          DrawScoreInfo* dsi,
                          XP_U16* widthP, XP_U16* heightP )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t widebuf[10];
    HFONT newFont;
    HFONT oldFont;

    if ( dsi->selected ) {
        newFont = dctx->selPlayerFont;
    } else {
        newFont = dctx->playerFont;
    }
    oldFont = SelectObject( hdc, newFont );

    ceWidthAndText( hdc, widebuf, dsi, widthP, heightP );

    SelectObject( hdc, oldFont );
} /* ce_draw_measureScoreText */

static void
ce_draw_score_drawPlayer( DrawCtx* p_dctx, 
                          XP_S16 playerNum, /* -1: don't use */
                          XP_Rect* rInner, XP_Rect* rOuter, 
                          DrawScoreInfo* dsi )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    RECT rt;
    XP_U16 width, height;
    wchar_t scoreBuf[20];
    HFONT newFont;
    HFONT oldFont;

    XPRtoRECT( &rt, rInner );
    if ( dsi->selected ) {
        newFont = dctx->selPlayerFont;
    } else {
        newFont = dctx->playerFont;
    }
    oldFont = SelectObject( hdc, newFont );

    SetTextColor( hdc, dctx->colors[getPlayerColor(playerNum)] );

    ceWidthAndText( hdc, scoreBuf, dsi, &width, &height );
    DrawText( hdc, scoreBuf, -1, &rt, 
              DT_SINGLELINE | DT_VCENTER | DT_CENTER );

    SelectObject( hdc, oldFont );
} /* ce_draw_score_drawPlayer */

static void
ce_draw_score_pendingScore( DrawCtx* p_dctx, XP_Rect* rect, XP_S16 score,
                            XP_U16 playerNum )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;

    wchar_t widebuf[5];
    XP_UCHAR buf[5];
    RECT rt;

    SetTextColor( hdc, dctx->colors[BLACK_COLOR] );

    XPRtoRECT( &rt, rect );
    FillRect( hdc, &rt, dctx->brushes[BKG_COLOR] );

    if ( score < 0 ) {
        buf[0] = '?';
        buf[1] = '?';
        buf[2] = '\0';
    } else {
        sprintf( buf, "%d", score );
    }

    MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, buf, -1,
                         widebuf, sizeof(widebuf)/sizeof(widebuf[0]) );
    DrawText(hdc, widebuf, -1, &rt, DT_SINGLELINE | DT_BOTTOM | DT_CENTER);	
    DrawText(hdc, L"Pts", -1, &rt, DT_SINGLELINE | DT_TOP | DT_CENTER);	

} /* ce_draw_score_pendingScore */

static void
ce_draw_scoreFinished( DrawCtx* p_dctx )
{
    /*     ce_draw_boardFinished( p_dctx ); */
} /* ce_draw_scoreFinished */

static void
ce_draw_drawTimer( DrawCtx* p_dctx, XP_Rect* rInner, XP_Rect* rOuter,
                   XP_U16 player, XP_S16 secondsLeft )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    wchar_t widebuf[10];
    XP_U16 mins, secs;
    RECT rt;
    PAINTSTRUCT ps;
    XP_Bool isNegative;

    XPRtoRECT( &rt, rInner );

    isNegative = secondsLeft < 0;
    if ( isNegative ) {
        secondsLeft *= -1;
    }

    mins = secondsLeft / 60;
    secs = secondsLeft % 60;

    swprintf( widebuf, L"%s%.1d:%.2d", isNegative? L"-": L"", mins, secs );
   
    if ( !globals->hdc ) {
        InvalidateRect( dctx->mainWin, &rt, FALSE );
        hdc = BeginPaint( dctx->mainWin, &ps );
    }

    SetTextColor( hdc, dctx->colors[getPlayerColor(player)] );
    ceClearToBkground( dctx, rInner );
    DrawText( hdc, widebuf, -1, &rt, DT_SINGLELINE | DT_VCENTER | DT_RIGHT);	

    if ( !globals->hdc ) {
        EndPaint( dctx->mainWin, &ps );
    }
} /* ce_draw_drawTimer */

static XP_UCHAR*
ce_draw_getMiniWText( DrawCtx* p_dctx, XWMiniTextType whichText )
{
    XP_UCHAR* str;

    switch( whichText ) {
    case BONUS_DOUBLE_LETTER:
        str = "Double letter"; break;
    case BONUS_DOUBLE_WORD:
        str = "Double word"; break;
    case BONUS_TRIPLE_LETTER:
        str = "Triple letter"; break;
    case BONUS_TRIPLE_WORD:
        str = "Triple word"; break;
    case INTRADE_MW_TEXT:
        str = "Trading tiles; tap 'D' when done"; break;
    default:
        XP_ASSERT( XP_FALSE );
    }

    return str;
} /* ce_draw_getMiniWText */

static void
ce_draw_measureMiniWText( DrawCtx* p_dctx, XP_UCHAR* str, 
                          XP_U16* widthP, XP_U16* heightP )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = GetDC(dctx->mainWin);//globals->hdc;
    SIZE size;
    wchar_t widebuf[40];

    MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, str, -1,
                         widebuf, sizeof(widebuf)/sizeof(widebuf[0]) );
    
    GetTextExtentPoint32( hdc, widebuf, wcslen(widebuf), &size );

    *widthP = size.cx + 12;
    *heightP = size.cy + 4;
} /* ce_draw_measureMiniWText */

static void
ce_draw_drawMiniWindow( DrawCtx* p_dctx, XP_UCHAR* text, XP_Rect* rect,
                        void** closureP )
{
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;
    CEAppGlobals* globals = dctx->globals;
    HDC hdc = globals->hdc;
    RECT rt;
    PAINTSTRUCT ps;
    wchar_t widebuf[40];

    XPRtoRECT( &rt, rect );

    if ( !globals->hdc ) {
        InvalidateRect( dctx->mainWin, &rt, FALSE );
        hdc = BeginPaint( dctx->mainWin, &ps );
    }

    ceClearToBkground( (CEDrawCtx*)p_dctx, rect );

    Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );
    InsetRect( &rt, 1, 1 );
    Rectangle( hdc, rt.left, rt.top, rt.right, rt.bottom );

    XP_MEMSET( widebuf, 0, sizeof(widebuf) );
    MultiByteToWideChar( CP_ACP, MB_PRECOMPOSED, text, -1,
                         widebuf, sizeof(widebuf)/sizeof(widebuf[0]) );
    DrawText(hdc, widebuf, -1, &rt, DT_SINGLELINE | DT_CENTER | DT_VCENTER);

    if ( !globals->hdc ) {
        EndPaint( dctx->mainWin, &ps );
    }
} /* ce_draw_drawMiniWindow */

static void
ce_draw_eraseMiniWindow( DrawCtx* p_dctx, XP_Rect* rect, XP_Bool lastTime,
                         void** closure, XP_Bool* invalUnder )
{
    *invalUnder = XP_TRUE;
} /* ce_draw_eraseMiniWindow */

static void
ce_draw_destroyCtxt( DrawCtx* p_dctx )
{
    XP_U16 i;
    CEDrawCtx* dctx = (CEDrawCtx*)p_dctx;

    for ( i = 0; i < 5; ++i ) {
        DeleteObject( dctx->brushes[i] );
    }

    DeleteObject( dctx->trayFont );
    DeleteObject( dctx->playerFont );
    DeleteObject( dctx->selPlayerFont );

    DeleteObject( dctx->rightArrow );
    DeleteObject( dctx->downArrow );
    DeleteObject( dctx->origin );

    XP_FREE( dctx->mpool, p_dctx->vtable );
    XP_FREE( dctx->mpool, dctx );
} /* ce_draw_destroyCtxt */

static void
draw_doNothing( DrawCtx* dctx, ... )
{
} /* draw_doNothing */

static void
ceFontsSetup( CEAppGlobals* globals, CEDrawCtx* dctx )
{
    LOGFONT font;

    XP_MEMSET( &font, 0, sizeof(font) );
    font.lfHeight = (CE_TRAY_SCALEV*2)/3;
    font.lfWeight = 600;     /* FW_DEMIBOLD */
    dctx->trayFont = CreateFontIndirect( &font );

    font.lfWeight = FW_LIGHT;
    font.lfHeight = CE_SCORE_HEIGHT - 2;
    dctx->playerFont = CreateFontIndirect( &font );

    font.lfWeight = FW_BOLD;
    font.lfHeight = CE_SCORE_HEIGHT;
    dctx->selPlayerFont = CreateFontIndirect( &font );

} /* ceFontsSetup */

static void
loadColors( XP_U16* ptr, COLORREF* colors )
{
    XP_U16 i;
    for ( i = 0; i < NUM_COLORS; ++i ) {
        XP_U8 r = (XP_U8)*ptr++;
        XP_U8 g = (XP_U8)*ptr++;
        XP_U8 b = (XP_U8)*ptr++;
        *colors++ = RGB( r, g, b );
    }
} /* loadColors */

DrawCtx* 
ce_drawctxt_make( MPFORMAL HWND mainWin, CEAppGlobals* globals )
{
    HRSRC rsrcH;
    HGLOBAL globH;
    CEDrawCtx* dctx = (CEDrawCtx*)XP_MALLOC( mpool,
                                             sizeof(*dctx) );
    XP_U16 i;

    dctx->vtable = (DrawCtxVTable*)XP_MALLOC( mpool, sizeof(*((dctx)->vtable)));

    for ( i = 0; i < sizeof(*dctx->vtable)/4; ++i ) {
        ((void**)(dctx->vtable))[i] = draw_doNothing;
    }

    SET_VTABLE_ENTRY( dctx->vtable, draw_destroyCtxt, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_boardBegin, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawCell, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_invertCell, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_boardFinished, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_trayBegin, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_trayFinished, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawTile, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawTileBack, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawTrayDivider, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_clearRect, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawBoardArrow, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_scoreBegin, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_measureRemText, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawRemText, ce ); 
    SET_VTABLE_ENTRY( dctx->vtable, draw_measureScoreText, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_score_drawPlayer, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_score_pendingScore, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_scoreFinished, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_drawTimer, ce );

    SET_VTABLE_ENTRY( dctx->vtable, draw_getMiniWText, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_measureMiniWText, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_drawMiniWindow, ce );
    SET_VTABLE_ENTRY( dctx->vtable, draw_eraseMiniWindow, ce );

    dctx->mainWin = mainWin;
    dctx->globals = globals;

    /* load the colors from resource */
    rsrcH = FindResource( globals->hInst, MAKEINTRESOURCE(ID_COLORS_RES),
                          TEXT("CLRS") );
    globH = LoadResource( globals->hInst, rsrcH );
    loadColors( globH, dctx->colors );
    DeleteObject( globH );

    for ( i = 0; i < NUM_COLORS; ++i ) {
        dctx->brushes[i] = CreateSolidBrush( dctx->colors[i] );
    }

    ceFontsSetup( globals, dctx );

    dctx->rightArrow = LoadBitmap( globals->hInst, 
                                   MAKEINTRESOURCE(IDB_RIGHTARROW) );
    XP_DEBUGF( "loaded bitmap: 0x%lx", (unsigned long)dctx->rightArrow );
    dctx->downArrow = LoadBitmap( globals->hInst, 
                                  MAKEINTRESOURCE(IDB_DOWNARROW) );

    dctx->origin = LoadBitmap( globals->hInst, 
                               MAKEINTRESOURCE(IDB_ORIGIN) );

    return (DrawCtx*)dctx;
} /* ce_drawctxt_make */