objects/brush.c

   1 /*
   2  * GDI brush objects
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  */
   6
   7 #include <string.h>
   8 #include "winbase.h"
   9 #include "brush.h"
  10 #include "bitmap.h"
  11 #include "debugtools.h"
  12
  13 DEFAULT_DEBUG_CHANNEL(gdi)
  14
  15
  16 /***********************************************************************
  17  *           CreateBrushIndirect16    (GDI.50)
  18  */
  19 HBRUSH16 WINAPI CreateBrushIndirect16( const LOGBRUSH16 * brush )
  20 {
  21     BRUSHOBJ * brushPtr;
  22     HBRUSH16 hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  23     if (!hbrush) return 0;
  24     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  25     brushPtr->logbrush.lbStyle = brush->lbStyle;
  26     brushPtr->logbrush.lbColor = brush->lbColor;
  27     brushPtr->logbrush.lbHatch = brush->lbHatch;
  28     GDI_HEAP_UNLOCK( hbrush );
  29     TRACE("%04x\n", hbrush);
  30     return hbrush;
  31 }
  32
  33
  34 /***********************************************************************
  35  *           CreateBrushIndirect32    (GDI32.27)
  36  */
  37 HBRUSH WINAPI CreateBrushIndirect( const LOGBRUSH * brush )
  38 {
  39     BRUSHOBJ * brushPtr;
  40     HBRUSH hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  41     if (!hbrush) return 0;
  42     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  43     brushPtr->logbrush.lbStyle = brush->lbStyle;
  44     brushPtr->logbrush.lbColor = brush->lbColor;
  45     brushPtr->logbrush.lbHatch = brush->lbHatch;
  46     GDI_HEAP_UNLOCK( hbrush );
  47     TRACE("%08x\n", hbrush);
  48     return hbrush;
  49 }
  50
  51
  52 /***********************************************************************
  53  *           CreateHatchBrush16    (GDI.58)
  54  */
  55 HBRUSH16 WINAPI CreateHatchBrush16( INT16 style, COLORREF color )
  56 {
  57     LOGBRUSH logbrush;
  58
  59     TRACE("%d %06lx\n", style, color );
  60
  61     logbrush.lbStyle = BS_HATCHED;
  62     logbrush.lbColor = color;
  63     logbrush.lbHatch = style;
  64
  65     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  66     return CreateBrushIndirect( &logbrush );
  67 }
  68
  69
  70 /***********************************************************************
  71  *           CreateHatchBrush32    (GDI32.48)
  72  */
  73 HBRUSH WINAPI CreateHatchBrush( INT style, COLORREF color )
  74 {
  75     LOGBRUSH logbrush;
  76
  77     TRACE("%d %06lx\n", style, color );
  78
  79     logbrush.lbStyle = BS_HATCHED;
  80     logbrush.lbColor = color;
  81     logbrush.lbHatch = style;
  82
  83     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  84     return CreateBrushIndirect( &logbrush );
  85 }
  86
  87
  88 /***********************************************************************
  89  *           CreatePatternBrush16    (GDI.60)
  90  */
  91 HBRUSH16 WINAPI CreatePatternBrush16( HBITMAP16 hbitmap )
  92 {
  93     return (HBRUSH16)CreatePatternBrush( hbitmap );
  94 }
  95
  96
  97 /***********************************************************************
  98  *           CreatePatternBrush32    (GDI32.54)
  99  */
 100 HBRUSH WINAPI CreatePatternBrush( HBITMAP hbitmap )
 101 {
 102     LOGBRUSH logbrush = { BS_PATTERN, 0, 0 };
 103     TRACE("%04x\n", hbitmap );
 104
 105     logbrush.lbHatch = (INT)BITMAP_CopyBitmap( hbitmap );
 106     if(!logbrush.lbHatch)
 107         return 0;
 108     else
 109         return CreateBrushIndirect( &logbrush );
 110 }
 111
 112
 113 /***********************************************************************
 114  *           CreateDIBPatternBrush16    (GDI.445)
 115  */
 116 HBRUSH16 WINAPI CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
 117 {
 118     LOGBRUSH logbrush;
 119     BITMAPINFO *info, *newInfo;
 120     INT size;
 121
 122     TRACE("%04x\n", hbitmap );
 123
 124     logbrush.lbStyle = BS_DIBPATTERN;
 125     logbrush.lbColor = coloruse;
 126     logbrush.lbHatch = 0;
 127
 128       /* Make a copy of the bitmap */
 129
 130     if (!(info = (BITMAPINFO *)GlobalLock16( hbitmap ))) return 0;
 131
 132     if (info->bmiHeader.biCompression)
 133         size = info->bmiHeader.biSizeImage;
 134     else
 135         size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
 136                                     info->bmiHeader.biHeight,
 137                                     info->bmiHeader.biBitCount);
 138     size += DIB_BitmapInfoSize( info, coloruse );
 139
 140     if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
 141     {
 142         GlobalUnlock16( hbitmap );
 143         return 0;
 144     }
 145     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 146     memcpy( newInfo, info, size );
 147     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 148     GlobalUnlock16( hbitmap );
 149     return CreateBrushIndirect( &logbrush );
 150 }
 151
 152
 153 /***********************************************************************
 154  *           CreateDIBPatternBrush32    (GDI32.34)
 155  *
 156  *      Create a logical brush which has the pattern specified by the DIB
 157  *
 158  *      Function call is for compatability only.  CreateDIBPatternBrushPt should be used.
 159  *
 160  * RETURNS
 161  *
 162  *      Handle to a logical brush on success, NULL on failure.
 163  *
 164  * BUGS
 165  *
 166  */
 167 HBRUSH WINAPI CreateDIBPatternBrush(
 168                 HGLOBAL hbitmap,                /* Global object containg BITMAPINFO structure */
 169                 UINT coloruse           /* Specifies color format, if provided */
 170 )
 171 {
 172     LOGBRUSH logbrush;
 173     BITMAPINFO *info, *newInfo;
 174     INT size;
 175
 176     TRACE("%04x\n", hbitmap );
 177
 178     logbrush.lbStyle = BS_DIBPATTERN;
 179     logbrush.lbColor = coloruse;
 180     logbrush.lbHatch = 0;
 181
 182       /* Make a copy of the bitmap */
 183
 184     if (!(info = (BITMAPINFO *)GlobalLock( hbitmap ))) return 0;
 185
 186     if (info->bmiHeader.biCompression)
 187         size = info->bmiHeader.biSizeImage;
 188     else
 189         size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
 190                                     info->bmiHeader.biHeight,
 191                                     info->bmiHeader.biBitCount);
 192     size += DIB_BitmapInfoSize( info, coloruse );
 193
 194     if (!(logbrush.lbHatch = (INT)GlobalAlloc16( GMEM_MOVEABLE, size )))
 195     {
 196         GlobalUnlock16( hbitmap );
 197         return 0;
 198     }
 199     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 200     memcpy( newInfo, info, size );
 201     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 202     GlobalUnlock( hbitmap );
 203     return CreateBrushIndirect( &logbrush );
 204 }
 205
 206
 207 /***********************************************************************
 208  *           CreateDIBPatternBrushPt    (GDI32.35)
 209  *
 210  *      Create a logical brush which has the pattern specified by the DIB
 211  *
 212  * RETURNS
 213  *
 214  *      Handle to a logical brush on success, NULL on failure.
 215  *
 216  * BUGS
 217  *
 218  */
 219 HBRUSH WINAPI CreateDIBPatternBrushPt(
 220                 const void* data,               /* Pointer to a BITMAPINFO structure followed by more data */
 221                 UINT coloruse           /* Specifies color format, if provided */
 222 )
 223 {
 224     BITMAPINFO *info=(BITMAPINFO*)data;
 225     LOGBRUSH logbrush;
 226     BITMAPINFO  *newInfo;
 227     INT size;
 228
 229     TRACE("%p %ldx%ld %dbpp\n", info, info->bmiHeader.biWidth,
 230           info->bmiHeader.biHeight,  info->bmiHeader.biBitCount);
 231
 232     logbrush.lbStyle = BS_DIBPATTERN;
 233     logbrush.lbColor = coloruse;
 234     logbrush.lbHatch = 0;
 235
 236       /* Make a copy of the bitmap */
 237
 238
 239     if (info->bmiHeader.biCompression)
 240         size = info->bmiHeader.biSizeImage;
 241     else
 242         size = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
 243                                     info->bmiHeader.biHeight,
 244                                     info->bmiHeader.biBitCount);
 245     size += DIB_BitmapInfoSize( info, coloruse );
 246
 247     if (!(logbrush.lbHatch = (INT)GlobalAlloc16( GMEM_MOVEABLE, size )))
 248     {
 249         return 0;
 250     }
 251     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 252     memcpy( newInfo, info, size );
 253     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 254     return CreateBrushIndirect( &logbrush );
 255 }
 256
 257
 258 /***********************************************************************
 259  *           CreateSolidBrush    (GDI.66)
 260  */
 261 HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
 262 {
 263     LOGBRUSH logbrush;
 264
 265     TRACE("%06lx\n", color );
 266
 267     logbrush.lbStyle = BS_SOLID;
 268     logbrush.lbColor = color;
 269     logbrush.lbHatch = 0;
 270
 271     return CreateBrushIndirect( &logbrush );
 272 }
 273
 274
 275 /***********************************************************************
 276  *           CreateSolidBrush32    (GDI32.64)
 277  */
 278 HBRUSH WINAPI CreateSolidBrush( COLORREF color )
 279 {
 280     LOGBRUSH logbrush;
 281
 282     TRACE("%06lx\n", color );
 283
 284     logbrush.lbStyle = BS_SOLID;
 285     logbrush.lbColor = color;
 286     logbrush.lbHatch = 0;
 287
 288     return CreateBrushIndirect( &logbrush );
 289 }
 290
 291
 292 /***********************************************************************
 293  *           SetBrushOrg    (GDI.148)
 294  */
 295 DWORD WINAPI SetBrushOrg16( HDC16 hdc, INT16 x, INT16 y )
 296 {
 297     DWORD retval;
 298     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 299     if (!dc) return FALSE;
 300     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 301     dc->w.brushOrgX = x;
 302     dc->w.brushOrgY = y;
 303     return retval;
 304 }
 305
 306
 307 /***********************************************************************
 308  *           SetBrushOrgEx    (GDI32.308)
 309  */
 310 BOOL WINAPI SetBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
 311 {
 312     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 313
 314     if (!dc) return FALSE;
 315     if (oldorg)
 316     {
 317         oldorg->x = dc->w.brushOrgX;
 318         oldorg->y = dc->w.brushOrgY;
 319     }
 320     dc->w.brushOrgX = x;
 321     dc->w.brushOrgY = y;
 322     return TRUE;
 323 }
 324
 325 /***********************************************************************
 326  *           FixBrushOrgEx    (GDI32.102)
 327  * SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
 328  */
 329 BOOL WINAPI FixBrushOrgEx( HDC hdc, INT x, INT y, LPPOINT oldorg )
 330 {
 331     return SetBrushOrgEx(hdc,x,y,oldorg);
 332 }
 333
 334
 335 /***********************************************************************
 336  *           BRUSH_DeleteObject
 337  */
 338 BOOL BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 339 {
 340     switch(brush->logbrush.lbStyle)
 341     {
 342       case BS_PATTERN:
 343           DeleteObject( (HGDIOBJ)brush->logbrush.lbHatch );
 344           break;
 345       case BS_DIBPATTERN:
 346           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 347           break;
 348     }
 349     return GDI_FreeObject( hbrush );
 350 }
 351
 352
 353 /***********************************************************************
 354  *           BRUSH_GetObject16
 355  */
 356 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 357 {
 358     LOGBRUSH16 logbrush;
 359
 360     logbrush.lbStyle = brush->logbrush.lbStyle;
 361     logbrush.lbColor = brush->logbrush.lbColor;
 362     logbrush.lbHatch = brush->logbrush.lbHatch;
 363     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 364     memcpy( buffer, &logbrush, count );
 365     return count;
 366 }
 367
 368
 369 /***********************************************************************
 370  *           BRUSH_GetObject32
 371  */
 372 INT BRUSH_GetObject( BRUSHOBJ * brush, INT count, LPSTR buffer )
 373 {
 374     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 375     memcpy( buffer, &brush->logbrush, count );
 376     return count;
 377 }
 378
 379
 380 /***********************************************************************
 381  *           SetSolidBrush16   (GDI.604)
 382  *
 383  *  If hBrush is a solid brush, change it's color to newColor.
 384  *
 385  *  RETURNS
 386  *           TRUE on success, FALSE on failure.
 387  *   FIXME: not yet implemented!
 388  */
 389 BOOL16 WINAPI SetSolidBrush16(HBRUSH16 hBrush, COLORREF newColor )
 390 {
 391      FIXME("(hBrush %04x, newColor %04x): stub!\n", hBrush, (int)newColor);
 392
 393      return(FALSE);
 394 }
 395