objects/brush.c

   1 /*
   2  * GDI brush objects
   3  *
   4  * Copyright 1993, 1994  Alexandre Julliard
   5  */
   6
   7 #include <stdlib.h>
   8 #include "brush.h"
   9 #include "bitmap.h"
  10 #include "metafile.h"
  11 #include "color.h"
  12 #include "debug.h"
  13
  14
  15 /***********************************************************************
  16  *           CreateBrushIndirect16    (GDI.50)
  17  */
  18 HBRUSH16 WINAPI CreateBrushIndirect16( const LOGBRUSH16 * brush )
  19 {
  20     BRUSHOBJ * brushPtr;
  21     HBRUSH16 hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  22     if (!hbrush) return 0;
  23     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  24     brushPtr->logbrush.lbStyle = brush->lbStyle;
  25     brushPtr->logbrush.lbColor = brush->lbColor;
  26     brushPtr->logbrush.lbHatch = brush->lbHatch;
  27     GDI_HEAP_UNLOCK( hbrush );
  28     return hbrush;
  29 }
  30
  31
  32 /***********************************************************************
  33  *           CreateBrushIndirect32    (GDI32.27)
  34  */
  35 HBRUSH32 WINAPI CreateBrushIndirect32( const LOGBRUSH32 * brush )
  36 {
  37     BRUSHOBJ * brushPtr;
  38     HBRUSH32 hbrush = GDI_AllocObject( sizeof(BRUSHOBJ), BRUSH_MAGIC );
  39     if (!hbrush) return 0;
  40     brushPtr = (BRUSHOBJ *) GDI_HEAP_LOCK( hbrush );
  41     brushPtr->logbrush.lbStyle = brush->lbStyle;
  42     brushPtr->logbrush.lbColor = brush->lbColor;
  43     brushPtr->logbrush.lbHatch = brush->lbHatch;
  44     GDI_HEAP_UNLOCK( hbrush );
  45     return hbrush;
  46 }
  47
  48
  49 /***********************************************************************
  50  *           CreateHatchBrush16    (GDI.58)
  51  */
  52 HBRUSH16 WINAPI CreateHatchBrush16( INT16 style, COLORREF color )
  53 {
  54     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  55     TRACE(gdi, "%d %06lx\n", style, color );
  56     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  57     return CreateBrushIndirect32( &logbrush );
  58 }
  59
  60
  61 /***********************************************************************
  62  *           CreateHatchBrush32    (GDI32.48)
  63  */
  64 HBRUSH32 WINAPI CreateHatchBrush32( INT32 style, COLORREF color )
  65 {
  66     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  67     TRACE(gdi, "%d %06lx\n", style, color );
  68     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  69     return CreateBrushIndirect32( &logbrush );
  70 }
  71
  72
  73 /***********************************************************************
  74  *           CreatePatternBrush16    (GDI.60)
  75  */
  76 HBRUSH16 WINAPI CreatePatternBrush16( HBITMAP16 hbitmap )
  77 {
  78     return (HBRUSH16)CreatePatternBrush32( hbitmap );
  79 }
  80
  81
  82 /***********************************************************************
  83  *           CreatePatternBrush32    (GDI32.54)
  84  */
  85 HBRUSH32 WINAPI CreatePatternBrush32( HBITMAP32 hbitmap )
  86 {
  87     LOGBRUSH32 logbrush = { BS_PATTERN, 0, 0 };
  88     TRACE(gdi, "%04x\n", hbitmap );
  89
  90     logbrush.lbHatch = (INT32)BITMAP_CopyBitmap( hbitmap );
  91     if(!logbrush.lbHatch)
  92         return 0;
  93     else
  94         return CreateBrushIndirect32( &logbrush );
  95 }
  96
  97
  98 /***********************************************************************
  99  *           CreateDIBPatternBrush16    (GDI.445)
 100  */
 101 HBRUSH16 WINAPI CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
 102 {
 103     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 104     BITMAPINFO *info, *newInfo;
 105     INT32 size;
 106
 107     TRACE(gdi, "%04x\n", hbitmap );
 108
 109       /* Make a copy of the bitmap */
 110
 111     if (!(info = (BITMAPINFO *)GlobalLock16( hbitmap ))) return 0;
 112
 113     if (info->bmiHeader.biCompression)
 114         size = info->bmiHeader.biSizeImage;
 115     else
 116         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 117                  * 8 * info->bmiHeader.biHeight;
 118     size += DIB_BitmapInfoSize( info, coloruse );
 119
 120     if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
 121     {
 122         GlobalUnlock16( hbitmap );
 123         return 0;
 124     }
 125     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 126     memcpy( newInfo, info, size );
 127     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 128     GlobalUnlock16( hbitmap );
 129     return CreateBrushIndirect32( &logbrush );
 130 }
 131
 132
 133 /***********************************************************************
 134  *           CreateDIBPatternBrush32    (GDI32.34)
 135  *
 136  *      Create a logical brush which has the pattern specified by the DIB
 137  *
 138  *      Function call is for compatability only.  CreateDIBPatternBrushPt should be used.
 139  *
 140  * RETURNS
 141  *
 142  *      Handle to a logical brush on success, NULL on failure.
 143  *
 144  * BUGS
 145  *
 146  */
 147 HBRUSH32 WINAPI CreateDIBPatternBrush32(
 148                 HGLOBAL32 hbitmap,              /* Global object containg BITMAPINFO structure */
 149                 UINT32 coloruse                 /* Specifies color format, if provided */
 150 )
 151 {
 152     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 153     BITMAPINFO *info, *newInfo;
 154     INT32 size;
 155
 156     TRACE(gdi, "%04x\n", hbitmap );
 157
 158       /* Make a copy of the bitmap */
 159
 160     if (!(info = (BITMAPINFO *)GlobalLock32( hbitmap ))) return 0;
 161
 162     if (info->bmiHeader.biCompression)
 163         size = info->bmiHeader.biSizeImage;
 164     else
 165         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 166                  * 8 * info->bmiHeader.biHeight;
 167     size += DIB_BitmapInfoSize( info, coloruse );
 168
 169     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 170     {
 171         GlobalUnlock16( hbitmap );
 172         return 0;
 173     }
 174     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 175     memcpy( newInfo, info, size );
 176     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 177     GlobalUnlock16( hbitmap );
 178     return CreateBrushIndirect32( &logbrush );
 179 }
 180
 181
 182 /***********************************************************************
 183  *           CreateDIBPatternBrushPt32    (GDI32.35)
 184  *
 185  *      Create a logical brush which has the pattern specified by the DIB
 186  *
 187  * RETURNS
 188  *
 189  *      Handle to a logical brush on success, NULL on failure.
 190  *
 191  * BUGS
 192  *
 193  */
 194 HBRUSH32 WINAPI CreateDIBPatternBrushPt32(
 195                 BITMAPINFO *info,               /* Pointer to a BITMAPINFO structure */
 196                 UINT32 coloruse                 /* Specifies color format, if provided */
 197 )
 198 {
 199     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 200     BITMAPINFO  *newInfo;
 201     INT32 size;
 202
 203     TRACE(gdi, "%04x\n", info );
 204
 205       /* Make a copy of the bitmap */
 206
 207
 208     if (info->bmiHeader.biCompression)
 209         size = info->bmiHeader.biSizeImage;
 210     else
 211         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 212                  * 8 * info->bmiHeader.biHeight;
 213     size += DIB_BitmapInfoSize( info, coloruse );
 214
 215     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 216     {
 217         return 0;
 218     }
 219     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 220     memcpy( newInfo, info, size );
 221     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 222     return CreateBrushIndirect32( &logbrush );
 223 }
 224
 225
 226 /***********************************************************************
 227  *           CreateSolidBrush    (GDI.66)
 228  */
 229 HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
 230 {
 231     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 232     TRACE(gdi, "%06lx\n", color );
 233     return CreateBrushIndirect32( &logbrush );
 234 }
 235
 236
 237 /***********************************************************************
 238  *           CreateSolidBrush32    (GDI32.64)
 239  */
 240 HBRUSH32 WINAPI CreateSolidBrush32( COLORREF color )
 241 {
 242     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 243     TRACE(gdi, "%06lx\n", color );
 244     return CreateBrushIndirect32( &logbrush );
 245 }
 246
 247
 248 /***********************************************************************
 249  *           SetBrushOrg    (GDI.148)
 250  */
 251 DWORD WINAPI SetBrushOrg( HDC16 hdc, INT16 x, INT16 y )
 252 {
 253     DWORD retval;
 254     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 255     if (!dc) return FALSE;
 256     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 257     dc->w.brushOrgX = x;
 258     dc->w.brushOrgY = y;
 259     return retval;
 260 }
 261
 262
 263 /***********************************************************************
 264  *           SetBrushOrgEx    (GDI32.308)
 265  */
 266 BOOL32 WINAPI SetBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 267 {
 268     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 269
 270     if (!dc) return FALSE;
 271     if (oldorg)
 272     {
 273         oldorg->x = dc->w.brushOrgX;
 274         oldorg->y = dc->w.brushOrgY;
 275     }
 276     dc->w.brushOrgX = x;
 277     dc->w.brushOrgY = y;
 278     return TRUE;
 279 }
 280
 281 /***********************************************************************
 282  *           FixBrushOrgEx    (GDI32.102)
 283  * SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
 284  */
 285 BOOL32 WINAPI FixBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 286 {
 287     return SetBrushOrgEx(hdc,x,y,oldorg);
 288 }
 289
 290
 291 /***********************************************************************
 292  *           BRUSH_DeleteObject
 293  */
 294 BOOL32 BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 295 {
 296     switch(brush->logbrush.lbStyle)
 297     {
 298       case BS_PATTERN:
 299           DeleteObject32( (HGDIOBJ32)brush->logbrush.lbHatch );
 300           break;
 301       case BS_DIBPATTERN:
 302           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 303           break;
 304     }
 305     return GDI_FreeObject( hbrush );
 306 }
 307
 308
 309 /***********************************************************************
 310  *           BRUSH_GetObject16
 311  */
 312 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 313 {
 314     LOGBRUSH16 logbrush;
 315
 316     logbrush.lbStyle = brush->logbrush.lbStyle;
 317     logbrush.lbColor = brush->logbrush.lbColor;
 318     logbrush.lbHatch = brush->logbrush.lbHatch;
 319     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 320     memcpy( buffer, &logbrush, count );
 321     return count;
 322 }
 323
 324
 325 /***********************************************************************
 326  *           BRUSH_GetObject32
 327  */
 328 INT32 BRUSH_GetObject32( BRUSHOBJ * brush, INT32 count, LPSTR buffer )
 329 {
 330     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 331     memcpy( buffer, &brush->logbrush, count );
 332     return count;
 333 }