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 HBRUSH32 WINAPI CreateDIBPatternBrush32( HGLOBAL32 hbitmap, UINT32 coloruse )
 137 {
 138     LOGBRUSH32 logbrush = { BS_DIBPATTERN, coloruse, 0 };
 139     BITMAPINFO *info, *newInfo;
 140     INT32 size;
 141
 142     TRACE(gdi, "%04x\n", hbitmap );
 143
 144       /* Make a copy of the bitmap */
 145
 146     if (!(info = (BITMAPINFO *)GlobalLock32( hbitmap ))) return 0;
 147
 148     if (info->bmiHeader.biCompression)
 149         size = info->bmiHeader.biSizeImage;
 150     else
 151         size = (info->bmiHeader.biWidth * info->bmiHeader.biBitCount + 31) / 32
 152                  * 8 * info->bmiHeader.biHeight;
 153     size += DIB_BitmapInfoSize( info, coloruse );
 154
 155     if (!(logbrush.lbHatch = (INT32)GlobalAlloc16( GMEM_MOVEABLE, size )))
 156     {
 157         GlobalUnlock16( hbitmap );
 158         return 0;
 159     }
 160     newInfo = (BITMAPINFO *) GlobalLock16( (HGLOBAL16)logbrush.lbHatch );
 161     memcpy( newInfo, info, size );
 162     GlobalUnlock16( (HGLOBAL16)logbrush.lbHatch );
 163     GlobalUnlock16( hbitmap );
 164     return CreateBrushIndirect32( &logbrush );
 165 }
 166
 167
 168 /***********************************************************************
 169  *           CreateSolidBrush    (GDI.66)
 170  */
 171 HBRUSH16 WINAPI CreateSolidBrush16( COLORREF color )
 172 {
 173     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 174     TRACE(gdi, "%06lx\n", color );
 175     return CreateBrushIndirect32( &logbrush );
 176 }
 177
 178
 179 /***********************************************************************
 180  *           CreateSolidBrush32    (GDI32.64)
 181  */
 182 HBRUSH32 WINAPI CreateSolidBrush32( COLORREF color )
 183 {
 184     LOGBRUSH32 logbrush = { BS_SOLID, color, 0 };
 185     TRACE(gdi, "%06lx\n", color );
 186     return CreateBrushIndirect32( &logbrush );
 187 }
 188
 189
 190 /***********************************************************************
 191  *           SetBrushOrg    (GDI.148)
 192  */
 193 DWORD WINAPI SetBrushOrg( HDC16 hdc, INT16 x, INT16 y )
 194 {
 195     DWORD retval;
 196     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 197     if (!dc) return FALSE;
 198     retval = dc->w.brushOrgX | (dc->w.brushOrgY << 16);
 199     dc->w.brushOrgX = x;
 200     dc->w.brushOrgY = y;
 201     return retval;
 202 }
 203
 204
 205 /***********************************************************************
 206  *           SetBrushOrgEx    (GDI32.308)
 207  */
 208 BOOL32 WINAPI SetBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 209 {
 210     DC * dc = (DC *) GDI_GetObjPtr( hdc, DC_MAGIC );
 211
 212     if (!dc) return FALSE;
 213     if (oldorg)
 214     {
 215         oldorg->x = dc->w.brushOrgX;
 216         oldorg->y = dc->w.brushOrgY;
 217     }
 218     dc->w.brushOrgX = x;
 219     dc->w.brushOrgY = y;
 220     return TRUE;
 221 }
 222
 223 /***********************************************************************
 224  *           FixBrushOrgEx    (GDI32.102)
 225  * SDK says discontinued, but in Win95 GDI32 this is the same as SetBrushOrgEx
 226  */
 227 BOOL32 WINAPI FixBrushOrgEx( HDC32 hdc, INT32 x, INT32 y, LPPOINT32 oldorg )
 228 {
 229     return SetBrushOrgEx(hdc,x,y,oldorg);
 230 }
 231
 232
 233 /***********************************************************************
 234  *           BRUSH_DeleteObject
 235  */
 236 BOOL32 BRUSH_DeleteObject( HBRUSH16 hbrush, BRUSHOBJ * brush )
 237 {
 238     switch(brush->logbrush.lbStyle)
 239     {
 240       case BS_PATTERN:
 241           DeleteObject32( (HGDIOBJ32)brush->logbrush.lbHatch );
 242           break;
 243       case BS_DIBPATTERN:
 244           GlobalFree16( (HGLOBAL16)brush->logbrush.lbHatch );
 245           break;
 246     }
 247     return GDI_FreeObject( hbrush );
 248 }
 249
 250
 251 /***********************************************************************
 252  *           BRUSH_GetObject16
 253  */
 254 INT16 BRUSH_GetObject16( BRUSHOBJ * brush, INT16 count, LPSTR buffer )
 255 {
 256     LOGBRUSH16 logbrush;
 257
 258     logbrush.lbStyle = brush->logbrush.lbStyle;
 259     logbrush.lbColor = brush->logbrush.lbColor;
 260     logbrush.lbHatch = brush->logbrush.lbHatch;
 261     if (count > sizeof(logbrush)) count = sizeof(logbrush);
 262     memcpy( buffer, &logbrush, count );
 263     return count;
 264 }
 265
 266
 267 /***********************************************************************
 268  *           BRUSH_GetObject32
 269  */
 270 INT32 BRUSH_GetObject32( BRUSHOBJ * brush, INT32 count, LPSTR buffer )
 271 {
 272     if (count > sizeof(brush->logbrush)) count = sizeof(brush->logbrush);
 273     memcpy( buffer, &brush->logbrush, count );
 274     return count;
 275 }