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 = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
 117                                     info->bmiHeader.biBitCount) *
 118                info->bmiHeader.biHeight;
 119     size += DIB_BitmapInfoSize( info, coloruse );
 120
 121     if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
 122     {
 123         GlobalUnlock16( hbitmap );
 124         return 0;
 125     }
 126     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 127     memcpy( newInfo, info, size );
 128     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 129     GlobalUnlock16( hbitmap );
 130     return CreateBrushIndirect32( &logbrush );
 131 }
 132
 133
 134 /***********************************************************************
 135  *           CreateDIBPatternBrush32    (GDI32.34)
 136  *
 137  *      Create a logical brush which has the pattern specified by the DIB
 138  *
 139  *      Function call is for compatability only.  CreateDIBPatternBrushPt should be used.
 140  *
 141  * RETURNS
 142  *
 143  *      Handle to a logical brush on success, NULL on failure.
 144  *
 145  * BUGS
 146  *
 147  */
 148 HBRUSH32 WINAPI CreateDIBPatternBrush32(
 149                 HGLOBAL32 hbitmap,              /* Global object containg BITMAPINFO structure */
 150                 UINT32 coloruse                 /* Specifies color format, if provided */
 151 )
 152 {
 153     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 154     BITMAPINFO *info, *newInfo;
 155     INT32 size;
 156
 157     TRACE(gdi, "%04x\n", hbitmap );
 158
 159       /* Make a copy of the bitmap */
 160
 161     if (!(info = (BITMAPINFO *)GlobalLock32( hbitmap ))) return 0;
 162
 163     if (info->bmiHeader.biCompression)
 164         size = info->bmiHeader.biSizeImage;
 165     else
 166         size = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
 167                                     info->bmiHeader.biBitCount) *
 168                info->bmiHeader.biHeight;
 169     size += DIB_BitmapInfoSize( info, coloruse );
 170
 171     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 172     {
 173         GlobalUnlock16( hbitmap );
 174         return 0;
 175     }
 176     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 177     memcpy( newInfo, info, size );
 178     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 179     GlobalUnlock32( hbitmap );
 180     return CreateBrushIndirect32( &logbrush );
 181 }
 182
 183
 184 /***********************************************************************
 185  *           CreateDIBPatternBrushPt32    (GDI32.35)
 186  *
 187  *      Create a logical brush which has the pattern specified by the DIB
 188  *
 189  * RETURNS
 190  *
 191  *      Handle to a logical brush on success, NULL on failure.
 192  *
 193  * BUGS
 194  *
 195  */
 196 HBRUSH32 WINAPI CreateDIBPatternBrushPt32(
 197                 BITMAPINFO *info,               /* Pointer to a BITMAPINFO structure */
 198                 UINT32 coloruse                 /* Specifies color format, if provided */
 199 )
 200 {
 201     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 202     BITMAPINFO  *newInfo;
 203     INT32 size;
 204
 205     TRACE(gdi, "%p\n", info );
 206
 207       /* Make a copy of the bitmap */
 208
 209
 210     if (info->bmiHeader.biCompression)
 211         size = info->bmiHeader.biSizeImage;
 212     else
 213         size = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
 214                                     info->bmiHeader.biBitCount) *
 215                info->bmiHeader.biHeight;
 216     size += DIB_BitmapInfoSize( info, coloruse );
 217
 218     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 219     {
 220         return 0;
 221     }
 222     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 223     memcpy( newInfo, info, size );
 224     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 225     return CreateBrushIndirect32( &logbrush );
 226 }
 227
 228
 229 /***********************************************************************
 230  *           CreateSolidBrush    (GDI.66)
 231  */
 232 HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
 233 {
 234     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 235     TRACE(gdi, "%06lx\n", color );
 236     return CreateBrushIndirect32( &logbrush );
 237 }
 238
 239
 240 /***********************************************************************
 241  *           CreateSolidBrush32    (GDI32.64)
 242  */
 243 HBRUSH32 WINAPI CreateSolidBrush32( COLORREF color )
 244 {
 245     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 246     TRACE(gdi, "%06lx\n", color );
 247     return CreateBrushIndirect32( &logbrush );
 248 }
 249
 250
 251 /***********************************************************************
 252  *           SetBrushOrg    (GDI.148)
 253  */
 254 DWORD WINAPI SetBrushOrg( HDC16 hdc, INT16 x, INT16 y )
 255 {
 256     DWORD retval;
 257     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 258     if (!dc) return FALSE;
 259     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 260     dc->w.brushOrgX = x;
 261     dc->w.brushOrgY = y;
 262     return retval;
 263 }
 264
 265
 266 /***********************************************************************
 267  *           SetBrushOrgEx    (GDI32.308)
 268  */
 269 BOOL32 WINAPI SetBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 270 {
 271     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 272
 273     if (!dc) return FALSE;
 274     if (oldorg)
 275     {
 276         oldorg->x = dc->w.brushOrgX;
 277         oldorg->y = dc->w.brushOrgY;
 278     }
 279     dc->w.brushOrgX = x;
 280     dc->w.brushOrgY = y;
 281     return TRUE;
 282 }
 283
 284 /***********************************************************************
 285  *           FixBrushOrgEx    (GDI32.102)
 286  * SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
 287  */
 288 BOOL32 WINAPI FixBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 289 {
 290     return SetBrushOrgEx(hdc,x,y,oldorg);
 291 }
 292
 293
 294 /***********************************************************************
 295  *           BRUSH_DeleteObject
 296  */
 297 BOOL32 BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 298 {
 299     switch(brush->logbrush.lbStyle)
 300     {
 301       case BS_PATTERN:
 302           DeleteObject32( (HGDIOBJ32)brush->logbrush.lbHatch );
 303           break;
 304       case BS_DIBPATTERN:
 305           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 306           break;
 307     }
 308     return GDI_FreeObject( hbrush );
 309 }
 310
 311
 312 /***********************************************************************
 313  *           BRUSH_GetObject16
 314  */
 315 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 316 {
 317     LOGBRUSH16 logbrush;
 318
 319     logbrush.lbStyle = brush->logbrush.lbStyle;
 320     logbrush.lbColor = brush->logbrush.lbColor;
 321     logbrush.lbHatch = brush->logbrush.lbHatch;
 322     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 323     memcpy( buffer, &logbrush, count );
 324     return count;
 325 }
 326
 327
 328 /***********************************************************************
 329  *           BRUSH_GetObject32
 330  */
 331 INT32 BRUSH_GetObject32( BRUSHOBJ * brush, INT32 count, LPSTR buffer )
 332 {
 333     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 334     memcpy( buffer, &brush->logbrush, count );
 335     return count;
 336 }
 337
 338
 339 /***********************************************************************
 340  *           SetSolidBrush16   (GDI.604)
 341  *
 342  *  If hBrush is a solid brush, change it's color to newColor.
 343  *
 344  *  RETURNS
 345  *           TRUE on success, FALSE on failure.
 346  *   FIXME: not yet implemented!
 347  */
 348 BOOL16 WINAPI SetSolidBrush16(HBRUSH16 hBrush, COLORREF newColor )
 349 {
 350      FIXME(gdi, "(hBrush %04x, newColor %04x): stub!\n", hBrush, (int)newColor);
 351
 352      return(FALSE);
 353 }
 354