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 "stddebug.h"
  13 #include "debug.h"
  14
  15
  16 /***********************************************************************
  17  *           CreateBrushIndirect16    (GDI.50)
  18  */
  19 HBRUSH16 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_LIN_ADDR( hbrush );
  25     brushPtr->logbrush.lbStyle = brush->lbStyle;
  26     brushPtr->logbrush.lbColor = brush->lbColor;
  27     brushPtr->logbrush.lbHatch = brush->lbHatch;
  28     return hbrush;
  29 }
  30
  31
  32 /***********************************************************************
  33  *           CreateBrushIndirect32    (GDI32.27)
  34  */
  35 HBRUSH32 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_LIN_ADDR( hbrush );
  41     brushPtr->logbrush.lbStyle = brush->lbStyle;
  42     brushPtr->logbrush.lbColor = brush->lbColor;
  43     brushPtr->logbrush.lbHatch = brush->lbHatch;
  44     return hbrush;
  45 }
  46
  47
  48 /***********************************************************************
  49  *           CreateHatchBrush16    (GDI.58)
  50  */
  51 HBRUSH16 CreateHatchBrush16( INT16 style, COLORREF color )
  52 {
  53     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  54     dprintf_gdi(stddeb, "CreateHatchBrush16: %d %06lx\n", style, color );
  55     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  56     return CreateBrushIndirect32( &logbrush );
  57 }
  58
  59
  60 /***********************************************************************
  61  *           CreateHatchBrush32    (GDI32.48)
  62  */
  63 HBRUSH32 CreateHatchBrush32( INT32 style, COLORREF color )
  64 {
  65     LOGBRUSH32 logbrush = { BS_HATCHED, color, style };
  66     dprintf_gdi(stddeb, "CreateHatchBrush32: %d %06lx\n", style, color );
  67     if ((style < 0) || (style >= NB_HATCH_STYLES)) return 0;
  68     return CreateBrushIndirect32( &logbrush );
  69 }
  70
  71
  72 /***********************************************************************
  73  *           CreatePatternBrush16    (GDI.60)
  74  */
  75 HBRUSH16 CreatePatternBrush16( HBITMAP16 hbitmap )
  76 {
  77     return (HBRUSH16)CreatePatternBrush32( hbitmap );
  78 }
  79
  80
  81 /***********************************************************************
  82  *           CreatePatternBrush32    (GDI32.54)
  83  */
  84 HBRUSH32 CreatePatternBrush32( HBITMAP32 hbitmap )
  85 {
  86     LOGBRUSH32 logbrush = { BS_PATTERN, 0, 0 };
  87     BITMAPOBJ *bmp, *newbmp;
  88
  89     dprintf_gdi(stddeb, "CreatePatternBrush: %04x\n", hbitmap );
  90
  91       /* Make a copy of the bitmap */
  92
  93     if (!(bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC )))
  94         return 0;
  95     logbrush.lbHatch = (INT32)CreateBitmapIndirect16( &bmp->bitmap );
  96     newbmp = (BITMAPOBJ *) GDI_GetObjPtr( (HGDIOBJ32)logbrush.lbHatch,
  97                                           BITMAP_MAGIC );
  98     if (!newbmp) return 0;
  99     XCopyArea( display, bmp->pixmap, newbmp->pixmap, BITMAP_GC(bmp),
 100                0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight, 0, 0 );
 101     return CreateBrushIndirect32( &logbrush );
 102 }
 103
 104
 105 /***********************************************************************
 106  *           CreateDIBPatternBrush16    (GDI.445)
 107  */
 108 HBRUSH16 CreateDIBPatternBrush16( HGLOBAL16 hbitmap, UINT16 coloruse )
 109 {
 110     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 111     BITMAPINFO *info, *newInfo;
 112     INT32 size;
 113
 114     dprintf_gdi(stddeb, "CreateDIBPatternBrush: %04x\n", hbitmap );
 115
 116       /* Make a copy of the bitmap */
 117
 118     if (!(info = (BITMAPINFO *)GlobalLock16( hbitmap ))) return 0;
 119
 120     if (info->bmiHeader.biCompression)
 121         size = info->bmiHeader.biSizeImage;
 122     else
 123         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 124                  * 8 * info->bmiHeader.biHeight;
 125     size += DIB_BitmapInfoSize( info, coloruse );
 126
 127     if (!(logbrush.lbHatch = (INT16)GlobalAlloc16( GMEM_MOVEABLE, size )))
 128     {
 129         GlobalUnlock16( hbitmap );
 130         return 0;
 131     }
 132     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 133     memcpy( newInfo, info, size );
 134     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 135     GlobalUnlock16( hbitmap );
 136     return CreateBrushIndirect32( &logbrush );
 137 }
 138
 139
 140 /***********************************************************************
 141  *           CreateDIBPatternBrush32    (GDI32.34)
 142  */
 143 HBRUSH32 CreateDIBPatternBrush32( HGLOBAL32 hbitmap, UINT32 coloruse )
 144 {
 145     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 146     BITMAPINFO *info, *newInfo;
 147     INT32 size;
 148
 149     dprintf_gdi(stddeb, "CreateDIBPatternBrush: %04x\n", hbitmap );
 150
 151       /* Make a copy of the bitmap */
 152
 153     if (!(info = (BITMAPINFO *)GlobalLock32( hbitmap ))) return 0;
 154
 155     if (info->bmiHeader.biCompression)
 156         size = info->bmiHeader.biSizeImage;
 157     else
 158         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 159                  * 8 * info->bmiHeader.biHeight;
 160     size += DIB_BitmapInfoSize( info, coloruse );
 161
 162     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 163     {
 164         GlobalUnlock16( hbitmap );
 165         return 0;
 166     }
 167     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 168     memcpy( newInfo, info, size );
 169     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 170     GlobalUnlock16( hbitmap );
 171     return CreateBrushIndirect32( &logbrush );
 172 }
 173
 174
 175 /***********************************************************************
 176  *           CreateSolidBrush    (GDI.66)
 177  */
 178 HBRUSH16 CreateSolidBrush16( COLORREF color )
 179 {
 180     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 181     dprintf_gdi(stddeb, "CreateSolidBrush16: %06lx\n", color );
 182     return CreateBrushIndirect32( &logbrush );
 183 }
 184
 185
 186 /***********************************************************************
 187  *           CreateSolidBrush32    (GDI32.64)
 188  */
 189 HBRUSH32 CreateSolidBrush32( COLORREF color )
 190 {
 191     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 192     dprintf_gdi(stddeb, "CreateSolidBrush32: %06lx\n", color );
 193     return CreateBrushIndirect32( &logbrush );
 194 }
 195
 196
 197 /***********************************************************************
 198  *           SetBrushOrg    (GDI.148)
 199  */
 200 DWORD SetBrushOrg( HDC16 hdc, INT16 x, INT16 y )
 201 {
 202     DWORD retval;
 203     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 204     if (!dc) return FALSE;
 205     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 206     dc->w.brushOrgX = x;
 207     dc->w.brushOrgY = y;
 208     return retval;
 209 }
 210
 211
 212 /***********************************************************************
 213  *           SetBrushOrgEx    (GDI32.308)
 214  */
 215 BOOL32 SetBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 216 {
 217     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 218
 219     if (!dc) return FALSE;
 220     if (oldorg)
 221     {
 222         oldorg->x = dc->w.brushOrgX;
 223         oldorg->y = dc->w.brushOrgY;
 224     }
 225     dc->w.brushOrgX = x;
 226     dc->w.brushOrgY = y;
 227     return TRUE;
 228 }
 229
 230
 231 /***********************************************************************
 232  *           GetSysColorBrush16    (USER.281)
 233  */
 234 HBRUSH16 GetSysColorBrush16( INT16 index )
 235 {
 236     fprintf( stderr, "Unimplemented stub: GetSysColorBrush16(%d)\n", index );
 237     return GetStockObject32(LTGRAY_BRUSH);
 238 }
 239
 240
 241 /***********************************************************************
 242  *           GetSysColorBrush32    (USER32.289)
 243  */
 244 HBRUSH32 GetSysColorBrush32( INT32 index)
 245 {
 246     fprintf( stderr, "Unimplemented stub: GetSysColorBrush32(%d)\n", index );
 247     return GetStockObject32(LTGRAY_BRUSH);
 248 }
 249
 250
 251 /***********************************************************************
 252  *           BRUSH_DeleteObject
 253  */
 254 BOOL32 BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 255 {
 256     switch(brush->logbrush.lbStyle)
 257     {
 258       case BS_PATTERN:
 259           DeleteObject32( (HGDIOBJ32)brush->logbrush.lbHatch );
 260           break;
 261       case BS_DIBPATTERN:
 262           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 263           break;
 264     }
 265     return GDI_FreeObject( hbrush );
 266 }
 267
 268
 269 /***********************************************************************
 270  *           BRUSH_GetObject16
 271  */
 272 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 273 {
 274     LOGBRUSH16 logbrush;
 275
 276     logbrush.lbStyle = brush->logbrush.lbStyle;
 277     logbrush.lbColor = brush->logbrush.lbColor;
 278     logbrush.lbHatch = brush->logbrush.lbHatch;
 279     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 280     memcpy( buffer, &logbrush, count );
 281     return count;
 282 }
 283
 284
 285 /***********************************************************************
 286  *           BRUSH_GetObject32
 287  */
 288 INT32 BRUSH_GetObject32( BRUSHOBJ * brush, INT32 count, LPSTR buffer )
 289 {
 290     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 291     memcpy( buffer, &brush->logbrush, count );
 292     return count;
 293 }
 294
 295