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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
  76 /***********************************************************************
  77  * Draw a card. Unlike cdtDrawCard, this version allows you to stretch
  78  * card bitmaps to the size you specify (dx, dy). See cdtDraw for info
  79  * on card, mode and color parameters.
  80  */
  81 BOOL WINAPI cdtDrawExt(HDC hdc, int x, int y, int dx, int dy, int card, int mode, DWORD color)
  82 {
  83         HDC hMemoryDC;
  84         HBITMAP hCardBitmap;
  85         HGDIOBJ result;
  86         DWORD rasterOp = SRCCOPY;
  87         BOOL roundCornersFlag;
  88         COLORREF savedPixels[12];
  89         BOOL eraseFlag = FALSE;
  90         BOOL drawFlag = TRUE;
  91
  92         TRACE("(%p, %d, %d, %d, %d, %d, %d, %ld)\n", hdc, x, y, dx, dy, card, mode, color);
  93
  94         roundCornersFlag = !(mode & MODEFLAG_DONT_ROUND_CORNERS) &&
  95                            (dx == cardWidth) && (dy == cardHeight);
  96         mode &= ~MODEFLAG_DONT_ROUND_CORNERS;
  97
  98         if((card < 0) || (card > CARD_MAX))
  99         {
 100                 FIXME("Unexpected card: %d\n", card);
 101                 return FALSE;
 102         }
 103
 104         if((mode < MODE_FACEUP) || (mode > MODE_DECKO))
 105         {
 106                 FIXME("Unexpected mode: %d\n", mode);
 107                 return FALSE;
 108         }
 109
 110         switch(mode)
 111         {
 112         case MODE_FACEUP:
 113                 break;
 114         case MODE_FACEDOWN:
 115                 break;
 116         case MODE_HILITE:
 117                 rasterOp = NOTSRCCOPY;
 118                 break;
 119         case MODE_GHOST:
 120                 card = CARD_FREE_MASK;
 121                 eraseFlag = TRUE;
 122                 rasterOp = SRCAND;
 123                 break;
 124         case MODE_REMOVE:
 125                 eraseFlag = TRUE;
 126                 drawFlag = FALSE;
 127                 break;
 128         case MODE_INVISIBLEGHOST:
 129                 card = CARD_FREE_MASK;
 130                 rasterOp = SRCAND;
 131                 break;
 132         case MODE_DECKX:
 133                 card = CARD_BACK_THE_X;
 134                 break;
 135         case MODE_DECKO:
 136                 card = CARD_BACK_THE_O;
 137                 break;
 138         }
 139
 140         hMemoryDC = CreateCompatibleDC(hdc);
 141         if(hMemoryDC == 0)
 142                 return FALSE;
 143
 144         if(eraseFlag)
 145         {
 146                 HBRUSH hBrush;
 147                 RECT rect;
 148                 hBrush = CreateSolidBrush(color);
 149                 rect.left = x;
 150                 rect.top = y;
 151                 rect.right = x + cardWidth - 1;
 152                 rect.bottom = y + cardHeight - 1;
 153                 FillRect(hdc, &rect, hBrush);
 154         }
 155
 156         if(drawFlag)
 157         {
 158                 hCardBitmap = cardBitmaps[card];
 159                 if(hCardBitmap == 0)
 160                         return FALSE;
 161
 162                 result = SelectObject(hMemoryDC, hCardBitmap);
 163                 if((result == 0) || (result == HGDI_ERROR))
 164                 {
 165                         DeleteDC(hMemoryDC);
 166                         return FALSE;
 167                 }
 168
 169                 SetBkColor(hdc, color);
 170
 171                 if(roundCornersFlag)
 172                 {
 173                         savedPixels[0] = GetPixel(hdc, x, y);
 174                         savedPixels[1] = GetPixel(hdc, x + 1, y);
 175                         savedPixels[2] = GetPixel(hdc, x, y + 1);
 176                         savedPixels[3] = GetPixel(hdc, x + dx - 1, y);
 177                         savedPixels[4] = GetPixel(hdc, x + dx - 2, y);
 178                         savedPixels[5] = GetPixel(hdc, x + dx - 1, y + 1);
 179                         savedPixels[6] = GetPixel(hdc, x, y + dy - 1);
 180                         savedPixels[7] = GetPixel(hdc, x + 1, y + dy - 1);
 181                         savedPixels[8] = GetPixel(hdc, x, y + dy - 2);
 182                         savedPixels[9] = GetPixel(hdc, x + dx - 1, y + dy - 1);
 183                         savedPixels[10] = GetPixel(hdc, x + dx - 2, y + dy - 1);
 184                         savedPixels[11] = GetPixel(hdc, x + dx - 1, y + dy - 2);
 185                 }
 186
 187                 if((cardWidth == dx) && (cardHeight == dy))
 188                         BitBlt(hdc, x, y, cardWidth, cardHeight, hMemoryDC, 0, 0, rasterOp);
 189                 else
 190                         StretchBlt(hdc, x, y, dx, dy, hMemoryDC, 0, 0, cardWidth, cardHeight, rasterOp);
 191
 192                 if(roundCornersFlag)
 193                 {
 194                         SetPixel(hdc, x, y, savedPixels[0]);
 195                         SetPixel(hdc, x + 1, y, savedPixels[1]);
 196                         SetPixel(hdc, x, y + 1, savedPixels[2]);
 197                         SetPixel(hdc, x + dx - 1, y, savedPixels[3]);
 198                         SetPixel(hdc, x + dx - 2, y, savedPixels[4]);
 199                         SetPixel(hdc, x + dx - 1, y + 1, savedPixels[5]);
 200                         SetPixel(hdc, x, y + dy - 1, savedPixels[6]);
 201                         SetPixel(hdc, x + 1, y + dy - 1, savedPixels[7]);
 202                         SetPixel(hdc, x, y + dy - 2, savedPixels[8]);
 203                         SetPixel(hdc, x + dx - 1, y + dy - 1, savedPixels[9]);
 204                         SetPixel(hdc, x + dx - 2, y + dy - 1, savedPixels[10]);
 205                         SetPixel(hdc, x + dx - 1, y + dy - 2, savedPixels[11]);
 206                 }
 207         }
 208
 209         DeleteDC(hMemoryDC);
 210
 211         return TRUE;
 212 }
 213
 214
 215 /***********************************************************************
 216  * Draws a card at position x, y in its default size (as returned by
 217  * cdtInit.
 218  *
 219  * Mode controls how the card gets drawn:
 220  *   MODE_FACEUP                ; draw card facing up
 221  *   MODE_FACEDOWN              ; draw card facing down
 222  *   MODE_HILITE                ; draw face up, with NOTSRCCOPY
 223  *   MODE_GHOST                 ; draw 'ghost' card
 224  *   MODE_REMOVE                ; draw with background color
 225  *   MODE_INVISIBLEGHOST        ; draw 'ghost' card, without clearing background
 226  *   MODE_DECKX                 ; draw X
 227  *   MODE_DECKO                 ; draw O
 228  *
 229  * The card parameter defines the card graphic to be drawn. If we are
 230  * drawing fronts of cards, card should have a value from 0 through 51
 231  * to represent the card face. If we are drawing card backs, 53 through
 232  * 68 represent different card backs.
 233  *
 234  * When drawing card faces, two lowest bits represent the card suit
 235  * (clubs, diamonds, hearts, spades), and the bits above that define the
 236  * card value (ace, 2, ..., king). That is,
 237  *   card = face * 4 + suit.
 238  *
 239  * Color parameter defines the background color, used when drawing some
 240  * card backs.
 241  */
 242 BOOL WINAPI cdtDraw(HDC hdc, int x, int y, int card, int mode, DWORD color)
 243 {
 244         TRACE("(%p, %d, %d, %d, %d, %ld)\n", hdc, x, y, card, mode, color);
 245
 246         return cdtDrawExt(hdc, x, y, cardWidth, cardHeight, card, mode, color);
 247 }
 248
 249
 250 /***********************************************************************
 251  * Animates the card backs, e.g. blinking lights on the robot, the sun
 252  * donning sunglasses, bats flying across the caste, etc.. Works only
 253  * for cards of normal size (as drawn with cdtDraw). To draw frames of
 254  * the card back animation, start with frame = 0, and increment the
 255  * frame by one, until cdtAnimate returns FALSE (to indicate that we
 256  * have gone through all frames of animation).
 257  */
 258 BOOL WINAPI cdtAnimate(HDC hdc, int cardback, int x, int y, int frame)
 259 {
 260         TRACE("(%p, %d, %d, %d, %d)\n", hdc, cardback, x, y, frame);
 261         FIXME("Implement me.\n");
 262
 263         return FALSE;
 264 }
 265
 266
 267 /***********************************************************************
 268  * Frees resources reserved by cdtInitialize.
 269  */
 270 void WINAPI cdtTerm()
 271 {
 272         int i;
 273
 274         TRACE("()\n");
 275
 276         for(i = 0; i <= CARD_MAX; i++)
 277         {
 278                 if(cardBitmaps[i] != 0)
 279                         DeleteObject(cardBitmaps[i]);
 280                 cardBitmaps[i] = 0;
 281         }
 282 }
 283
 284
 285 /***********************************************************************
 286  * DllMain.
 287  */
 288 BOOL WINAPI DllMain(HINSTANCE inst, DWORD reason, LPVOID reserved)
 289 {
 290     switch (reason)
 291     {
 292     case DLL_PROCESS_ATTACH:
 293         hInst = inst;
 294         DisableThreadLibraryCalls( inst );
 295         break;
 296     case DLL_PROCESS_DETACH:
 297         break;
 298     }
 299     return TRUE;
 300 }