dlls/cards/cards.c

   1 /*
   2  * Cards dll implementation
   3  *
   4  * Copyright (C) 2004 Sami Nopanen
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include "config.h"
  22
  23 #include <stdarg.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "winuser.h"
  28 #include "wingdi.h"
  29
  30 #include "cards.h"
  31 #include "wine/debug.h"
  32
  33 WINE_DEFAULT_DEBUG_CHANNEL(cards);
  34
  35
  36 void WINAPI cdtTerm(void);
  37
  38
  39 static HINSTANCE hInst;
  40 static int cardWidth;
  41 static int cardHeight;
  42 static HBITMAP cardBitmaps[CARD_MAX + 1];
  43
  44
  45 /***********************************************************************
  46  * Initializes the cards.dll library. Loads the card bitmaps from the
  47  * resources, and initializes the card size variables.
  48  */
  49 BOOL WINAPI cdtInit(int *width, int *height)
  50 {
  51         BITMAP bm;
  52         int i;
  53
  54         TRACE("(%p, %p)\n", width, height);
  55
  56         for(i = 0; i <= CARD_MAX; i++)
  57                 cardBitmaps[i] = 0;
  58
  59         for(i = 0; i <= CARD_MAX; i++)
  60         {
  61                 cardBitmaps[i] = LoadBitmapA(hInst, MAKEINTRESOURCEA(i));
  62                 if(cardBitmaps[i] == 0)
  63                 {
  64                         cdtTerm();
  65                         return FALSE;
  66                 }
  67         }
  68
  69         GetObjectA(cardBitmaps[0], sizeof(BITMAP), &bm);
  70         *width = cardWidth = bm.bmWidth;
  71         *height = cardHeight = bm.bmHeight;
  72         return TRUE;
  73 }
  74
  75 static DWORD do_blt(HDC hdc, int x, int y, int dx, int dy, HDC hMemoryDC, DWORD rasterOp )
  76 {
  77         if((cardWidth == dx) && (cardHeight == dy))
  78                 return BitBlt(hdc, x, y, cardWidth, cardHeight, hMemoryDC, 0, 0, rasterOp);
  79         return StretchBlt(hdc, x, y, dx, dy, hMemoryDC, 0, 0, cardWidth, cardHeight, rasterOp);
  80 }
  81
  82 /***********************************************************************
  83  * Draw a card. Unlike cdtDrawCard, this version allows you to stretch
  84  * card bitmaps to the size you specify (dx, dy). See cdtDraw for info
  85  * on card, mode and color parameters.
  86  */
  87 BOOL WINAPI cdtDrawExt(HDC hdc, int x, int y, int dx, int dy, int card, int mode, DWORD color)
  88 {
  89         HDC hMemoryDC;
  90         HBITMAP hCardBitmap;
  91         HGDIOBJ result;
  92         DWORD rasterOp = SRCCOPY;
  93         BOOL roundCornersFlag;
  94         BOOL eraseFlag = FALSE;
  95         BOOL drawFlag = TRUE;
  96
  97         TRACE("(%p, %d, %d, %d, %d, %d, %d, %d)\n", hdc, x, y, dx, dy, card, mode, color);
  98
  99         roundCornersFlag = !(mode & MODEFLAG_DONT_ROUND_CORNERS) &&
 100                            (dx == cardWidth) && (dy == cardHeight);
 101         mode &= ~MODEFLAG_DONT_ROUND_CORNERS;
 102
 103         if((card < 0) || (card > CARD_MAX))
 104         {
 105                 FIXME("Unexpected card: %d\n", card);
 106                 return FALSE;
 107         }
 108
 109         if((mode < MODE_FACEUP) || (mode > MODE_DECKO))
 110         {
 111                 FIXME("Unexpected mode: %d\n", mode);
 112                 return FALSE;
 113         }
 114
 115         switch(mode)
 116         {
 117         case MODE_FACEUP:
 118                 break;
 119         case MODE_FACEDOWN:
 120                 break;
 121         case MODE_HILITE:
 122                 rasterOp = NOTSRCCOPY;
 123                 break;
 124         case MODE_GHOST:
 125                 card = CARD_FREE_MASK;
 126                 eraseFlag = TRUE;
 127                 rasterOp = SRCAND;
 128                 break;
 129         case MODE_REMOVE:
 130                 eraseFlag = TRUE;
 131                 drawFlag = FALSE;
 132                 break;
 133         case MODE_INVISIBLEGHOST:
 134                 card = CARD_FREE_MASK;
 135                 rasterOp = SRCAND;
 136                 break;
 137         case MODE_DECKX:
 138                 card = CARD_BACK_THE_X;
 139                 break;
 140         case MODE_DECKO:
 141                 card = CARD_BACK_THE_O;
 142                 break;
 143         }
 144
 145         hMemoryDC = CreateCompatibleDC(hdc);
 146         if(hMemoryDC == 0)
 147                 return FALSE;
 148
 149         if(eraseFlag)
 150         {
 151                 HBRUSH hBrush;
 152                 RECT rect;
 153                 hBrush = CreateSolidBrush(color);
 154                 SetRect(&rect, x, y, x + cardWidth - 1, y + cardHeight - 1);
 155                 FillRect(hdc, &rect, hBrush);
 156         }
 157
 158         if(drawFlag)
 159         {
 160                 hCardBitmap = cardBitmaps[card];
 161                 if(hCardBitmap == 0)
 162                         return FALSE;
 163
 164                 result = SelectObject(hMemoryDC, hCardBitmap);
 165                 if((result == 0) || (result == HGDI_ERROR))
 166                 {
 167                         DeleteDC(hMemoryDC);
 168                         return FALSE;
 169                 }
 170
 171                 SetBkColor(hdc, color);
 172
 173                 if(roundCornersFlag)
 174                 {
 175                     /* NOTE: native uses Get/SetPixel for corners, but that really
 176                      * hurts on X11 since it needs a server round-trip for each pixel.
 177                      * So we use a clip region instead. */
 178                     HRGN saved = CreateRectRgn( 0, 0, 0, 0 );
 179                     HRGN line = CreateRectRgn( x + 2, y, x + dx - 2, y + 1 );
 180                     HRGN clip = CreateRectRgn( x, y + 2, x + dx, y + dy - 2 );
 181
 182                     CombineRgn( clip, clip, line, RGN_OR );
 183                     SetRectRgn( line, x + 1, y + 1, x + dx - 1, y + 2 );
 184                     CombineRgn( clip, clip, line, RGN_OR );
 185                     SetRectRgn( line, x + 1, y + dy - 2, x + dx - 1, y + dy - 1 );
 186                     CombineRgn( clip, clip, line, RGN_OR );
 187                     SetRectRgn( line, x + 2, y + dy - 1, x + dx - 2, y + dy );
 188                     CombineRgn( clip, clip, line, RGN_OR );
 189                     DeleteObject( line );
 190
 191                     if (!GetClipRgn( hdc, saved ))
 192                     {
 193                         DeleteObject( saved );
 194                         saved = 0;
 195                     }
 196                     ExtSelectClipRgn( hdc, clip, RGN_AND );
 197                     DeleteObject( clip );
 198
 199                     do_blt(hdc, x, y, dx, dy, hMemoryDC, rasterOp);
 200
 201                     SelectClipRgn( hdc, saved );
 202                     if (saved) DeleteObject( saved );
 203                 }
 204                 else
 205                         do_blt(hdc, x, y, dx, dy, hMemoryDC, rasterOp);
 206         }
 207
 208         DeleteDC(hMemoryDC);
 209
 210         return TRUE;
 211 }
 212
 213
 214 /***********************************************************************
 215  * Draws a card at position x, y in its default size (as returned by
 216  * cdtInit.
 217  *
 218  * Mode controls how the card gets drawn:
 219  *   MODE_FACEUP                ; draw card facing up
 220  *   MODE_FACEDOWN              ; draw card facing down
 221  *   MODE_HILITE                ; draw face up, with NOTSRCCOPY
 222  *   MODE_GHOST                 ; draw 'ghost' card
 223  *   MODE_REMOVE                ; draw with background color
 224  *   MODE_INVISIBLEGHOST        ; draw 'ghost' card, without clearing background
 225  *   MODE_DECKX                 ; draw X
 226  *   MODE_DECKO                 ; draw O
 227  *
 228  * The card parameter defines the card graphic to be drawn. If we are
 229  * drawing fronts of cards, card should have a value from 0 through 51
 230  * to represent the card face. If we are drawing card backs, 53 through
 231  * 68 represent different card backs.
 232  *
 233  * When drawing card faces, two lowest bits represent the card suit
 234  * (clubs, diamonds, hearts, spades), and the bits above that define the
 235  * card value (ace, 2, ..., king). That is,
 236  *   card = face * 4 + suit.
 237  *
 238  * Color parameter defines the background color, used when drawing some
 239  * card backs.
 240  */
 241 BOOL WINAPI cdtDraw(HDC hdc, int x, int y, int card, int mode, DWORD color)
 242 {
 243         TRACE("(%p, %d, %d, %d, %d, %d)\n", hdc, x, y, card, mode, color);
 244
 245         return cdtDrawExt(hdc, x, y, cardWidth, cardHeight, card, mode, color);
 246 }
 247
 248
 249 /***********************************************************************
 250  * Animates the card backs, e.g. blinking lights on the robot, the sun
 251  * donning sunglasses, bats flying across the caste, etc.. Works only
 252  * for cards of normal size (as drawn with cdtDraw). To draw frames of
 253  * the card back animation, start with frame = 0, and increment the
 254  * frame by one, until cdtAnimate returns FALSE (to indicate that we
 255  * have gone through all frames of animation).
 256  */
 257 BOOL WINAPI cdtAnimate(HDC hdc, int cardback, int x, int y, int frame)
 258 {
 259         TRACE("(%p, %d, %d, %d, %d)\n", hdc, cardback, x, y, frame);
 260         FIXME("Implement me.\n");
 261
 262         return FALSE;
 263 }
 264
 265
 266 /***********************************************************************
 267  * Frees resources reserved by cdtInit.
 268  */
 269 void WINAPI cdtTerm(void)
 270 {
 271         int i;
 272
 273         TRACE("()\n");
 274
 275         for(i = 0; i <= CARD_MAX; i++)
 276         {
 277                 if(cardBitmaps[i] != 0)
 278                         DeleteObject(cardBitmaps[i]);
 279                 cardBitmaps[i] = 0;
 280         }
 281 }
 282
 283
 284 /***********************************************************************
 285  * DllMain.
 286  */
 287 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, LPVOID reserved)
 288 {
 289     switch (reason)
 290     {
 291     case DLL_PROCESS_ATTACH:
 292         hInst = inst;
 293         DisableThreadLibraryCalls( inst );
 294         break;
 295     }
 296     return TRUE;
 297 }